New product allows you to explore record-setting extreme weather
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
Reader Comments
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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
I also wonder if those central GoM storms will hold together to hit Tampa this p.m....
How much s it for GRLevel2? I no there is a 21 day trial, how much after the trial, and is it worth it?
Though I never did see what was so bad about 15 March.
Guess Caesar never did, either.
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..
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
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)
Thats 36 hours to get a severe storm. :D
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
Woah!!!!
I just downloaded 2 and 3, 2 is not working for me.. I will try 3 now
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
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 :)
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
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.
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).
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
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
to be completely honest I one day into using GR2 so I cant answer that... Get with TropicalAnalystwx he knows a little about it
I was just playing around with it... I dont seem to be having any issues with it. Maybe check your polling site
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
How do you change your polling site.
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!
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
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
Yep..not much happening now....LOL
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.
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.
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.
Starting this afternoon, the moisture from the lake should cause the storm to intensify quickly, dumping a ton of snow on us. :)
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.
I noticed your CAC.. Are you DOD Civ in Pasc. by chance?
Viewing: 1101 - 1151
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