Dr. Jeff Masters' WunderBlog

New product allows you to explore record-setting extreme weather
Posted by: Angela Fritz, 18:14 GMT le 23 février 2012 +46
We've launched a new extreme weather product this week: Record Extremes. Recent, globally record-setting years have demanded a product that combines U.S. and international record extremes into one, easy to use interface. The Record Extremes page will give you the option to see U.S. and international records on a map and table. You can select any combination of record types at once, which, combined with the map, provides a interesting visual way to investigate record-setting events. The product uses data from three sources: (1) NOAA's National Climate Data Center, (2) Wunderground's U.S. records, and (3) Wunderground's International records.

The NCDC records begin in 1850 and include official NOAA record extreme events for ASOS and COOP weather stations in all 50 U.S. states as well as Puerto Rico, the Virgin Islands, and the Pacific Islands. In this database you can find records for maximum high temps, minimum high temps, maximum low temps, minimum high temps, snow, and precipitation on daily, monthly, and all-time scales.

The Wunderground extremes were compiled by our weather historian Christopher C. Burt. Chris monitors 300 stations across the U.S. for Record Extremes in maximum and minimum temperature, precipitation, and snow events. Most of these U.S. records go back to the end of the 19th century, though the oldest site in this database is Charleston, SC, where precipitation records started in 1737! Internationally, Chris monitors 150 countries worldwide for all-time record high temperatures and all-time record low temperatures. If you're interested in diving deeper into extreme weather in the U.S. and abroad, Chris's book Extreme Weather is an excellent resource.



Figure 1. All-time snow records broken during the Groundhog Day Blizzard of 2011. These records were found by selecting NCDC as the source, a start date of 2011-01-31, an end date of 2011-02-02, "maximum snowfall," and "all-time."


We built the Record Extremes product to make it easy to find specific records you're looking for, or just browse the records in general.

Check records that were set on a specific date
You can check on records that were set yesterday, for example, by setting the calendar to yesterday's date, and selecting all the record variables and types that you're interested in.

Explore all records set in a certain time range
2011 was a record-setting year for the U.S., and most of the records were high maximum temp and high minimum temps. To see all of these warm records that were set last year, select "NCDC" as the source, 2011-01-01 as the start date and 2011-12-31 as the end date. Select Maximum High Temp and Maximum Low Temp in weather variables, and select all-time in the record type.

View current standing international records in the Wunderground database
Select either the Wunderground International records, and instead of choosing a date range, select "Show current standing records." This will bring up all standing records in the database for whatever record variable and type you select. Whereas we've collected every record ever set or broken from NCDC, the Wunderground records are always the current, standing record, whenever it was set. As you move your map around the globe, you'll see each country's all-time maximum high temp and all-time maximum low temp.

Filter your table results
Looking for a specific location or record within your search results? Use the "Filter Results" option in the table to narrow down your search.

Let us know what you think!

Angela
Categories: Extreme Weather
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1101. MAweatherboy1 12:50 GMT le 26 février 2012    
6z GFS appears to give me 6-10 inches of snow in the Wed-Fri timeframe :D
Member Since: 11 février 2012 Posts: 71 Comments: 6522
1102. islander101010 13:03 GMT le 26 février 2012    
been getting alot of these days. it looks like rain then its "peters out". in fact the only day it really rained the last few months it came out of no where and poured. e cen florida
Member Since: 11 septembre 2010 Posts: 0 Comments: 3069
1103. Tropicsweatherpr 13:22 GMT le 26 février 2012    
Member Since: 29 avril 2009 Posts: 67 Comments: 8763
1104. LargoFl 13:34 GMT le 26 février 2012    
Quoting islander101010:
been getting alot of these days. it looks like rain then its "peters out". in fact the only day it really rained the last few months it came out of no where and poured. e cen florida
yes same here on the west side, man it poured, but that was it for rain,I know what your saying, we need rain
Member Since: 6 août 2011 Posts: 0 Comments: 22511
1105. LargoFl 13:35 GMT le 26 février 2012    
Quoting MAweatherboy1:
6z GFS appears to give me 6-10 inches of snow in the Wed-Fri timeframe :D
if it pans out, Febuary goes out like a lion huh
Member Since: 6 août 2011 Posts: 0 Comments: 22511
1106. JNCali 13:37 GMT le 26 février 2012    
Quoting WxGeekVA:
I think winter is over.....

Yeah, it's funny how the weather changes as time goes by.. I wonder if it's a pattern?
Member Since: 9 septembre 2010 Posts: 5 Comments: 1032
1107. yqt1001 13:40 GMT le 26 février 2012    
Woke up to good news this morning.

City of Thunder Bay
5:20 AM EST Sunday 26 February 2012
Snowfall warning for
City of Thunder Bay issued

15 cm snow expected today into tonight.

Snow ahead of a fairly intense Alberta clipper approaching from South Dakota is expected to move into the Lakehead area this morning. Cold easterly winds will pick up extra moisture from Lake Superior and as a result, the snow will be heavy at times with a general snowfall of 15 to 20 cm expected by the time the snow ends after midnight tonight.

Brisk easterly winds will also cause blowing snow in exposed areas. Motorists should be prepared for hazardous winter driving conditions due to accumulating snow on untreated roads and very low visibility in heavy snow and blowing snow.

Snow day tomorrow? :D
Member Since: 19 novembre 2010 Posts: 1 Comments: 1191
1108. BahaHurican 13:56 GMT le 26 février 2012    
Morning all. Looks like we're going to get some rain this p.m. but right now sunny and windy out. Anybody from the Destin area down to the Cape [Canaveral] with wx reports?

I also wonder if those central GoM storms will hold together to hit Tampa this p.m....
Member Since: 25 octobre 2005 Posts: 19 Comments: 17961
1109. BahaHurican 14:01 GMT le 26 février 2012    
Quoting WDEmobmet:
There you go TAWX. Did I hear someone say that this is abnormal for Madagascar to be getting so
much "love" from tropical entities
It's been busier than the average for them, but they've had seasons like this before, at least once since I've started watching the SIndian season in '06. I suspect increased activity with tracks across Madegascar is typical in certain La Nina years....
Member Since: 25 octobre 2005 Posts: 19 Comments: 17961
1110. AussieStorm 14:07 GMT le 26 février 2012    
Quoting TampaSpin:
Does anyone know if GRLevel2 and GR2Analyst are having problems....i seem to be unable to go online. Please zip me a note in WU mail. Thanks!

How much s it for GRLevel2? I no there is a 21 day trial, how much after the trial, and is it worth it?
Member Since: 30 septembre 2007 Posts: 5 Comments: 13770
1111. BahaHurican 14:10 GMT le 26 février 2012    
Quoting hurricanehunter27:
Am I the only person who enjoyed reading Julius Ceasar?
Saw a stage production of it here last October, with a female Casca. Great stuff.

Though I never did see what was so bad about 15 March.

Guess Caesar never did, either.
Member Since: 25 octobre 2005 Posts: 19 Comments: 17961
1112. HadesGodWyvern 14:21 GMT le 26 février 2012    
Seychelles Meteorological Services
Tropical Cyclone Advisory #2
TEMPETE TROPICALE MODEREE IRINA (11-20112012)
16:00 PM RET February 26 2012
=====================================

At 12:00 PM UTC, Moderate Tropical Storm Irina (995 hPa) located at 13.8S 50.9E has 10 minute sustained winds of 40 knots with gusts of 60 knots. The cyclone is reported as moving west southwest at 12 knots.

Dvorak Intensity: T1.5/1.5/D0.5/24 HRS

Gale Force Winds
============
In the southwestern quadrant up to 70 NM from the center and in the northwestern quadrant up to 130 NM from the center

Forecast and Intensity
========================

12 HRS: 14.2S 48.2E - 20 knots (Depression sur Terre)
24 HRS: 15.2S 46.0E - 25 knots (Perturbation Tropicale)
48 HRS: 16.3S 42.9E - 40 knots (Tempête Tropicale Modérée)
72 HRS: 16.4S 41.3E - 60 knots (Forte Tempête Tropicale)

Additional Information
=======================

Synopsis report from Antalaha (between 0500 AM UTC and 0900 AM UTC and then at 1200 PM UTC), Sambava (at 0700 AM UTC then no obs) and Diego-Suarez (between 0700 AM UTC and 0900 AM UTC then no obs) shown mean 10 min winds in the gale force range (35-45 kt). Consequently, the Madagascar Weather Services named the system Irina. Those strong winds seems to be associated with the strong burst of convection that occurred this morning just west of the estimated low level circulation center. This convective features is now collapsing.

Despite this strong winds observed, the cloud pattern of Irina is still miles away from a moderate tropical storm signature

The system is moving rapidly westwards on the northern edge of the subtropical ridge that have built back to the south. It undergoes a moderate easterly constraint so the center is estimated to be just to the east of the main convective mass. This pattern should continue within the next two days. On this track, the system should make landfall within the next hours over the northern tip of Madagascar between Diego-Suarez and Sambava (likely near Iharana). Associated heavy rainfalls should affect large areas of northern Madagascar during the next two days. Rainfall rate in 24hour period of 100-150 mm is likely.

Wednesday, environmental conditions should improve (lower shear, high sea surface temperature over the Mozambique channel) and significant intensification is expected.

By that time, the system should be influenced by two contradictory steering flow; one associated with an equatorial ridge located to its north and induced an easterly motion and another one associated with the subtropical ridge located to the south and induced a westwards motion. Consequently, the track should slow down significantly during the middle of next week. Beyond, the subtropical ridge could weaken and allow a more polewards track.

Inhabitants of the northeastern coasts of Madagascar and the northern channel area (including the Comoros archipelago, the northwestern coasts of Madagascar and the Mozambique coasts) should closely monitor the progress of this system.

The next tropical cyclone advisory from Seychelles Meteorological Service on TC Irina will be issued at 18:30 PM UTC..
Member Since: 24 mai 2006 Posts: 43 Comments: 36925
1113. TampaSpin 14:23 GMT le 26 février 2012    
Quoting AussieStorm:

How much s it for GRLevel2? I no there is a 21 day trial, how much after the trial, and is it worth it?


Don't know yet as i have only had it for 3 days now.....too soon to really evaluate! GRLevel2 and 3 are about $80.00 each....and the GRAnalyst is $250.00
Member Since: 2 septembre 2007 Posts: 176 Comments: 19767
1114. GeorgiaStormz 14:28 GMT le 26 février 2012    
From NWS Jackson,MS forecast discussion:

BY FRIDAY...STALLED FRONT ON COAST SURGES
BACK NORTH OVER REGION AS WAA SHOWERS COMMENCE AHEAD OF ANOTHER
STRONG SYSTEM ACROSS THE CNTRL PLAINS. WARM SECTOR LOOKS TO BE OF
HIGH QUALITY PER GFS/EC IN DEPTH AND SFC DEWPOINTS IN THE MID 60S
ACROSS MUCH OF REGION BY FRIDAY AFTERNOON. WITH PROGGED SHEAR
VALUES...ANY STORMS DEVELOPING IN THIS ENVIRONMENT WILL HAVE
POTENTIAL TO BECOME SEVERE.


(for the Friday/Saturday System)
Member Since: 11 février 2012 Posts: 0 Comments: 7525
1115. SPLbeater 14:33 GMT le 26 février 2012    
mornin all...forecast to be 55 today, and then temperatures 60-70 rest of the week! NWS has upped my chances of rain for Tuesday night, Wednesday and Wednesday night to 50%.

Thats 36 hours to get a severe storm. :D
Member Since: 4 août 2011 Posts: 43 Comments: 3961
1116. WDEmobmet 14:35 GMT le 26 février 2012    
Quoting TropicalAnalystwx13:

Of course, there are two other radar systems similar, but not as advanced as Gr2Analyst that would be nice starters.

GRLevel2: $79.95

GRLevel3: $79.95

GR2Analyst Main page: $250 individual license, $500 commercial license

There are 21-day trials for all of them if you wish to experiment. They are on their pages, respectively.


Quoting AussieStorm:

How much s it for GRLevel2? I no there is a 21 day trial, how much after the trial, and is it worth it?


Ive had GRLEVEL3 going on 3 years now. It is by far the best software out there.
GR2ANalyst is on the pricey side you pay for what you get. I have been playing with it since yesterday and I will probably end up purchasing soon.
Point being if your a weather enthusiast its a must have
Member Since: 3 février 2010 Posts: 0 Comments: 649
1117. AussieStorm 14:35 GMT le 26 février 2012    
Quoting TampaSpin:


Don't know yet as i have only had it for 3 days now.....too soon to really evaluate! GRLevel2 and 3 are about $80.00 each....and the GRAnalyst is $250.00

Woah!!!!
I just downloaded 2 and 3, 2 is not working for me.. I will try 3 now
Member Since: 30 septembre 2007 Posts: 5 Comments: 13770
1118. WDEmobmet 14:36 GMT le 26 février 2012    
Quoting TropicalAnalystwx13:

I've still not figured out how to get it like this, but oh well.





This is one of the best features out there. GR2Analyst provides a volume feature. You can make cross sections, and also has many of algorithms to play with
Member Since: 3 février 2010 Posts: 0 Comments: 649
1119. WDEmobmet 14:39 GMT le 26 février 2012    
Quoting ScottLincoln:


GR2Analyst is worth having for any meteorologist or any severe weather enthusiast keen on high-resolution radar data with adaptable hail/rotation algorithms. But it's not for everyone. It does require some knowledge and time to use it properly.



GR2Analyst should be fully operational during the trial. Trial or purchased, you have to have a NEXRAD level2 data source for it to work in realtime. There are sources for this. Some you pay for, some (like ISU's site) that are free.
Member Since: 3 février 2010 Posts: 0 Comments: 649
1120. GeorgiaStormz 14:40 GMT le 26 février 2012    
Quoting AussieStorm:

Woah!!!!
I just downloaded 2 and 3, 2 is not working for me.. I will try 3 now


I am going to wait till just before a moderate or high risk near my area so i can have it as long as possible during this severe weather season.
(or i can ask WDEmobmet for $250 :)
Member Since: 11 février 2012 Posts: 0 Comments: 7525
1121. SPLbeater 14:40 GMT le 26 février 2012    
We got ourselves a 30% area for western AR, southern MO and eastern OK
Member Since: 4 août 2011 Posts: 43 Comments: 3961
1122. FLWeatherFreak91 14:40 GMT le 26 février 2012    
Quoting BahaHurican:
Morning all. Looks like we're going to get some rain this p.m. but right now sunny and windy out. Anybody from the Destin area down to the Cape [Canaveral] with wx reports?

I also wonder if those central GoM storms will hold together to hit Tampa this p.m....
I don't know if they will make it to Tampa, but they sure are strong atm.
Member Since: 1 décembre 2006 Posts: 2 Comments: 3516
1123. WDEmobmet 14:41 GMT le 26 février 2012    
Aussie...
Try this as your polling director for GR2Analyst:
http://mesonet.agron.iastate.edu/data/nexrd2/raw/


within in GR2Anal ..To add this, File > Configure Polling > Add
Member Since: 3 février 2010 Posts: 0 Comments: 649
1124. WDEmobmet 14:43 GMT le 26 février 2012    
GR2Analyst volume feature
Member Since: 3 février 2010 Posts: 0 Comments: 649
1125. pottery 14:52 GMT le 26 février 2012    
Greetings, WeatherGeeks....

Here, at 11n 61w (Trinidad) it's raining again.
Wettest Feb. we have had in many years. Very nice.
No bush-fires for one thing. Cisterns filled too.
It's all good.
Member Since: 24 octobre 2005 Posts: 0 Comments: 20866
1126. HadesGodWyvern 14:52 GMT le 26 février 2012    
RSMC Reunion
Tropical Cyclone Outlook
15:00 PM RET February 26 2012
==========================

Moderate Tropical Storm Irina
=======================

See tropical cyclone advisories issued at 12:00 PM UTC for details

Between 60E and 75E and along 10S
=======================

Thunderstorm activity is strong within the Inter-tropical convergence zone and conditions appear conducive for cyclogenesis within the next few days over the area (lower shear, good low level monsoon inflow and good low level convergence). No defined surface closed circulation is evident at this time but it appears likely that a significant system should develop over the area during the next few days.

Over the extreme east of our area of responsibility, convection remains poorly organized. There is no evidence of a closed circulation and conditions appear less favorable for development mainly due to marginal low level inflow.

For the next 24 to 36 hours, the potential for development of another tropical depression is fair to good (suspect area between 60E and 75E).
Member Since: 24 mai 2006 Posts: 43 Comments: 36925
1127. GeorgiaStormz 14:54 GMT le 26 février 2012    
Quoting WDEmobmet:
GR2Analyst volume feature


so if you save an alpha table, does gr2analyst use it to examine other storms? I read the page on volume renderer but i could not tell
Member Since: 11 février 2012 Posts: 0 Comments: 7525
1128. TampaSpin 15:02 GMT le 26 février 2012    
I was having an OFFLINE problem last night with GRAnalyst .......is that a common thing...i have not tried today as i am on the desktop...i have it on my laptop
Member Since: 2 septembre 2007 Posts: 176 Comments: 19767
1129. GeorgiaStormz 15:03 GMT le 26 février 2012    
GR2Analyst is only available as a non-exclusive license. GR2Analyst is not available for purchase by TV stations in the following markets:

Birmingham, AL
Denver, CO
Hartford/New Haven, CT
Miami, FL
Orlando, FL
Tampa, FL
Atlanta, GA
Grand Rapids, MI
Jackson, MS
Charlotte, NC
Raleigh, NC
Cincinnati, OH
Myrtle Beach/Florence, SC
Nashville, TN

GR2Analyst supports dual polarization radars and Sigmet's IRIS formatted data files with an additional license. Purchasing this add-on simply allows GR2Analyst to read and process dual polarization data, which is not available as a standard product from the NWS. Currently, only private and research radars supply dual polarization data.

Dual Pol/IRIS Individual License

$125
Dual Pol/IRIS Commercial License

$250

You must purchase and enter a regular GR2Analyst Individual or Commercial registration key before you will be allowed to enter a Dual Pol/IRIS registration key.


No TV stations in GA have it?!!
Also that would be cool to get the dual pol
Member Since: 11 février 2012 Posts: 0 Comments: 7525
1130. WDEmobmet 15:03 GMT le 26 février 2012    
Quoting GeorgiaStormz:


so if you save an alpha table, does gr2analyst use it to examine other storms? I read the page on volume renderer but i could not tell


to be completely honest I one day into using GR2 so I cant answer that... Get with TropicalAnalystwx he knows a little about it
Member Since: 3 février 2010 Posts: 0 Comments: 649
1131. WDEmobmet 15:05 GMT le 26 février 2012    
Quoting TampaSpin:
I was having an OFFLINE problem last night with GRAnalyst .......is that a common thing...i have not tried today as i am on the desktop...i have it on my laptop


I was just playing around with it... I dont seem to be having any issues with it. Maybe check your polling site
Member Since: 3 février 2010 Posts: 0 Comments: 649
1132. WDEmobmet 15:06 GMT le 26 février 2012    
Quoting GeorgiaStormz:
GR2Analyst is only available as a non-exclusive license. GR2Analyst is not available for purchase by TV stations in the following markets:

Birmingham, AL
Denver, CO
Hartford/New Haven, CT
Miami, FL
Orlando, FL
Tampa, FL
Atlanta, GA
Grand Rapids, MI
Jackson, MS
Charlotte, NC
Raleigh, NC
Cincinnati, OH
Myrtle Beach/Florence, SC
Nashville, TN

GR2Analyst supports dual polarization radars and Sigmet's IRIS formatted data files with an additional license. Purchasing this add-on simply allows GR2Analyst to read and process dual polarization data, which is not available as a standard product from the NWS. Currently, only private and research radars supply dual polarization data.

Dual Pol/IRIS Individual License

$125
Dual Pol/IRIS Commercial License

$250

You must purchase and enter a regular GR2Analyst Individual or Commercial registration key before you will be allowed to enter a Dual Pol/IRIS registration key.


No TV stations in GA have it?!!
Also that would be cool to get the dual pol


What amazes me is that they would have a limit on something that could ultimately save lives. That doesn't make sense why they would have restrictions
Member Since: 3 février 2010 Posts: 0 Comments: 649
1133. TampaSpin 15:10 GMT le 26 février 2012    
Quoting WDEmobmet:


I was just playing around with it... I dont seem to be having any issues with it. Maybe check your polling site


How do you change your polling site.
Member Since: 2 septembre 2007 Posts: 176 Comments: 19767
1134. JNCali 15:11 GMT le 26 février 2012    
Quoting GeorgiaStormz:

..No TV stations in GA have it?!!
Also that would be cool to get the dual pol

This could be a great job opportunity for the up and coming mets.. Learn the program and market it along with your services to the news stations who don't have it!
Member Since: 9 septembre 2010 Posts: 5 Comments: 1032
1135. TampaSpin 15:11 GMT le 26 février 2012    
It won't let me change my site at all it seems
Member Since: 2 septembre 2007 Posts: 176 Comments: 19767
1136. WDEmobmet 15:11 GMT le 26 février 2012    
Try this as your polling director for GR2Analyst:
http://mesonet.agron.iastate.edu/data/nexrd2/raw/

go to GR2Anal ..To add this, File > Configure Polling > Add
Member Since: 3 février 2010 Posts: 0 Comments: 649
1137. WDEmobmet 15:12 GMT le 26 février 2012    
Quoting WDEmobmet:
Try this as your polling director for GR2Analyst:
http://mesonet.agron.iastate.edu/data/nexrd2/raw/

go to GR2Anal ..To add this, File > Configure Polling > Add


once you go through that process, press start polling. should work
Member Since: 3 février 2010 Posts: 0 Comments: 649
1138. TampaSpin 15:16 GMT le 26 février 2012    
Quoting WDEmobmet:
Try this as your polling director for GR2Analyst:
http://mesonet.agron.iastate.edu/data/nexrd2/raw/

go to GR2Anal ..To add this, File > Configure Polling > Add
Quoting WDEmobmet:


once you go through that process, press start polling. should work



BINGO....awsome....its working fine...THANK YOU
Member Since: 2 septembre 2007 Posts: 176 Comments: 19767
1139. WDEmobmet 15:20 GMT le 26 février 2012    
Quoting TampaSpin:



BINGO....awsome....its working fine...THANK YOU


Your welcome... now I just have to sit around and wait for Tuesday to try it out myself
Member Since: 3 février 2010 Posts: 0 Comments: 649
1140. TampaSpin 15:21 GMT le 26 février 2012    
Quoting WDEmobmet:


Your welcome... now I just have to sit around and wait for Tuesday to try it out myself


Yep..not much happening now....LOL
Member Since: 2 septembre 2007 Posts: 176 Comments: 19767
1141. WDEmobmet 15:24 GMT le 26 février 2012    
this looks to be next chance... 3 day prob


Member Since: 3 février 2010 Posts: 0 Comments: 649
1142. Ameister12 15:24 GMT le 26 février 2012    

DAY 3 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0230 AM CST SUN FEB 26 2012

VALID 281200Z - 291200Z

...THERE IS A SLGT RISK OF SVR TSTMS PORTIONS ARKLATEX...ERN OK AND
SERN KS TO WRN MID-SOUTH REGION...

...SYNOPSIS...
STG SHORTWAVE TROUGH...MENTIONED IN DAY-2 OUTLOOK OVER WRN
CONUS...IS FCST TO CONSOLIDATE INTO COMPACT MID-UPPER CYCLONE DURING
FIRST HALF OF DAY-3 PERIOD...WHILE MOVING ENEWD FROM CENTRAL ROCKIES
ACROSS ADJACENT HIGH PLAINS. BY 29/00Z...500-MB CYCLONE SHOULD BE
LOCATED OVER NEB/SD...REACHING IA/MN BORDER REGION BY END OF PERIOD.
TRAILING SHORTWAVE TROUGH IS EXPECTED TO EXTEND SSW OF MID-UPPER
CYCLONE CENTER...AT SOMEWHAT LOWER AMPLITUDE THAN PROGGED BY
PREVIOUS MODEL CYCLES.

AT SFC...DEEPENING CYCLONE WILL EJECT NEWD FROM CENTRAL HIGH PLAINS
TO SRN MN...BECOMING NEARLY STACKED WITH RESPECT TO MID-UPPER LOW BY
END OF PERIOD. ATTACHED COLD FRONT SHOULD MOVE EWD OUT OF
CENTRAL/SRN ROCKIES EARLY IN PERIOD...REACHING ERN KS...CENTRAL OK
AND PERMIAN BASIN REGION OF W TX BY 29/00Z. COLD FRONT SHOULD REACH
CENTRAL/SRN IL...S-CENTRAL AR AND S-CENTRAL TX BY 29/12Z.
SUFFICIENT MOISTURE SHOULD INFUSE WARM SECTOR TO YIELD DRYLINE BY
EARLY AFTERNOON FROM NRN COAHUILA NNEWD TO SWRN OK. THIS BOUNDARY
THEN WILL BE OVERTAKEN BY COLD FRONT FROM N-S THROUGH REMAINDER
PERIOD.

...PORTIONS ARKLATEX...ERN OK AND SERN KS TO WRN MID-SOUTH REGION...

SCATTERED TSTMS SHOULD FORM DURING AFTERNOON/EVENING ALONG/AHEAD OF
SFC COLD FRONT AND NE OF DRYLINE...AS SRN FRINGES OF MOST VIGOROUS
LARGE-SCALE ASCENT OVERLAP INCREASING LOW-LEVEL MOISTURE...WITH SFC
DEW POINTS REACHING 60S F. ACTIVITY MAY GROW UPSCALE WITH
INCREASING COVERAGE IN 29/00Z-29/06Z TIME FRAME. ALTHOUGH SFC FLOW
IS FCST TO VEER WITH TIME AHEAD OF COLD FROPA...SPEED SHEAR SHOULD
BE SUFFICIENT TO SUPPORT ENLARGED LOW-LEVEL HODOGRAPHS. LINEAR AND
SUPERCELLULAR MODES ARE POSSIBLE...WITH FULL SPECTRUM OF SVR
THREATS...MAINLY IN FORM OF WIND AND TORNADO RISK. SVR POTENTIAL
SHOULD DIMINISH GRADUALLY WITH TIME AND WITH NEWD EXTENT AS
CONVECTIVE REGIME MOVES INTO PROGRESSIVELY WEAKER BUOYANCY.

FARTHER NE...TSTMS ARE EXPECTED TO OCCUR IN ZONE OF ELEVATED
LOW-LEVEL WAA OVERNIGHT...MOVING NEWD OVER OH VALLEY REGION. FCST
SOUNDINGS SUGGEST WEAK LAPSE RATES ALOFT WITH ELEVATED MUCAPE AOB
500 J/KG AND EFFECTIVE SHEAR MAGNITUDES IN 30-35 KT
RANGE...PRECLUDING ORGANIZED HAIL THREAT.
Member Since: 9 août 2009 Posts: 9 Comments: 3628
1143. HurrikanEB 15:25 GMT le 26 février 2012    
Quoting WxGeekVA:
I think winter is over.....



Hold on a sec.. no need to prematurely "R.I.P." this season. This winter may still have one more bout of snow left in her, at least for the northeast

Albany, NY forecast discussion:

A MID WEEK ELONGATED LOW PRESSURE SYSTEM FORECAST TO SLOWLY MOVE
EAST ACROSS THE REGION WEDNESDAY THROUGH THURSDAY...POSSIBLY EVEN
LINGERING INTO THURSDAY NIGHT...IS NOW FORECAST TO BE A CONSIDERABLY
COLDER EVENT BY BOTH THE GFS AND ECMWF. THIS SHOULD RESULT IN A
MAINLY SNOW EVENT FOR MOST OF THE REGION
WITH RAIN MIXED WITH SNOW
FORECAST TO OCCUR ONLY DURING PEAK HEATING TIMES IN THE MIDDLE OF
THE DAY. AND EVEN THEN ONLY LOW TERRAIN AREAS FROM THE CAPITAL
DISTRICT SOUTH ARE FORECAST TO GET A MIX.

THIS SYSTEM WILL BE DOUBLE BARRELED IN NATURE WITH THE INITIAL WARM
ADVECTION/OVERRUNNING PART OF THE SYSTEM OCCURRING WEDNESDAY INTO
WEDNESDAY NIGHT PRODUCING THE BEST CHANCE FOR WIDESPREAD PCPN. FOR
NOW HAVE FORECAST LIKELY POPS DURING THAT PERIOD. BEYOND THAT...THE
TRAILING UPPER LEVEL PART OF THE SYSTEM WILL MOVE ACROSS THURSDAY
INTO THURSDAY NIGHT WITH HIGH CHANCE POPS FORECAST FOR THURSDAY...
DECREASING TO LOW CHANCE THURSDAY NIGHT.
Member Since: 2 mai 2008 Posts: 12 Comments: 1273
1144. HurrikanEB 15:26 GMT le 26 février 2012    
(accidently quoted myself :P... deleted)
Member Since: 2 mai 2008 Posts: 12 Comments: 1273
1145. TropicalAnalystwx13 15:27 GMT le 26 février 2012    
Quoting GeorgiaStormz:


so if you save an alpha table, does gr2analyst use it to examine other storms? I read the page on volume renderer but i could not tell

Yes, there is a site that you can go to called GRLevelXStuff, where you can download color tables (reflectivity, velocity tables, etc) and .grva files (alpha tables) and attach them with GR2Analyst for the volume renderer.

If anybody want's to change theirs, just ask me. You'll have to make an account here though, or the downloads section will not appear.

One thing I should note is that all three Gibson Ridge products are strictly USA and Puerto Rico. There is a new product called GREarth, which covers the entire globe, but it's $180 A YEAR and there is a very long waiting list for it...backed up to like 6 months.
Member Since: 6 juillet 2010 Posts: 92 Comments: 25956
1146. gordydunnot 15:28 GMT le 26 février 2012    
Been a pleasure reading this mornings blog.
Member Since: 18 août 2008 Posts: 0 Comments: 3044
1147. yqt1001 15:31 GMT le 26 février 2012    
Here comes the first band of snow



Starting this afternoon, the moisture from the lake should cause the storm to intensify quickly, dumping a ton of snow on us. :)
Member Since: 19 novembre 2010 Posts: 1 Comments: 1191
1148. TropicalAnalystwx13 15:40 GMT le 26 février 2012    
Still looking at a big Severe Weather/Tornado outbreak Tuesday as a strong low-pressure area moves across the northern plains. It is a very strong low, and will bring forth a lot of Gulf of Mexico moisture. It really will be clash between Spring and Winter.

Member Since: 6 juillet 2010 Posts: 92 Comments: 25956
1149. ScottLincoln 15:41 GMT le 26 février 2012    
Quoting GeorgiaStormz:
GR2Analyst is only available as a non-exclusive license. GR2Analyst is not available for purchase by TV stations in the following markets:

Birmingham, AL
Denver, CO
Hartford/New Haven, CT
Miami, FL
Orlando, FL
Tampa, FL
Atlanta, GA
Grand Rapids, MI
Jackson, MS
Charlotte, NC
Raleigh, NC
Cincinnati, OH
Myrtle Beach/Florence, SC
Nashville, TN

GR2Analyst supports dual polarization radars and Sigmet's IRIS formatted data files with an additional license. Purchasing this add-on simply allows GR2Analyst to read and process dual polarization data, which is not available as a standard product from the NWS. Currently, only private and research radars supply dual polarization data.

Dual Pol/IRIS Individual License

$125
Dual Pol/IRIS Commercial License

$250

You must purchase and enter a regular GR2Analyst Individual or Commercial registration key before you will be allowed to enter a Dual Pol/IRIS registration key.


No TV stations in GA have it?!!
Also that would be cool to get the dual pol

Quoting WDEmobmet:


What amazes me is that they would have a limit on something that could ultimately save lives. That doesn't make sense why they would have restrictions


No, that means that one station in the Atlanta, GA, market bought the exclusive license to on air use. Meaning, they bought an "on-air" license for each TV station in the market, so no competitors could buy it and use it on air.

People can still use it, including tv mets as far as I know, they just cannot use it for broadcast tv purposes in that market.
Member Since: 28 septembre 2002 Posts: 3 Comments: 1784
1150. WDEmobmet 15:43 GMT le 26 février 2012    
Quoting ScottLincoln:


No, that means that one station in the Atlanta, GA, market bought the exclusive license. Meaning, they bought an "on-air" license for each TV station in the market, so no competitors could buy it and use it on air.


I noticed your CAC.. Are you DOD Civ in Pasc. by chance?
Member Since: 3 février 2010 Posts: 0 Comments: 649
1151. hydrus 15:48 GMT le 26 février 2012    
Tornado season is going to start with vigor this year.
Member Since: 27 septembre 2007 Posts: 1 Comments: 14682

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About JeffMasters
Jeff co-founded the Weather Underground in 1995 while working on his Ph.D. He flew with the NOAA Hurricane Hunters from 1986-1990.

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