Dr. Jeff Masters' WunderBlog |
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| Posted by: Dr. Jeff Masters, 14:21 GMT le 27 avril 2012 | +33 |
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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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:)
Jazz Fest Images from NOLA today, one my good neighbor Mr. James Rivers on Sax
Weather was Gaw-jus.
we almost had snow in toronto last weekend
big warm up coming mid next week be in mid 70s
soon the heat and humity will be upon us
Toronto Pearson Int'l Airport
Date: 1:00 AM EDT Saturday 28 April 2012
Condition: Mainly Clear
Pressure: 30.27 inches
Tendency: rising
Visibility: 15 miles
Air Quality Health Index: 3
Temperature: 33.1°F
Dewpoint: 20.1°F
Humidity: 58 %
Wind: NW 9 mph
Red indicates regions becoming saltier, and blue indicates regions becoming [less salty].
Enlarged Image
NATIONAL WEATHER SERVICE NEW YORK NY
351 AM EDT SAT APR 28 2012
CTZ005-006-NJZ002-NYZ067>070-281600-
/O.NEW.KOKX.FZ.A.0005.120429T0600Z-120429T1200Z/
/O.CON.KOKX.FZ.W.0002.000000T0000Z-120428T1200Z/
NORTHERN FAIRFIELD-NORTHERN NEW HAVEN-WESTERN PASSAIC-ORANGE-
PUTNAM-ROCKLAND-NORTHERN WESTCHESTER-
351 AM EDT SAT APR 28 2012
...FREEZE WARNING REMAINS IN EFFECT UNTIL 8 AM EDT THIS MORNING...
...FREEZE WATCH IN EFFECT FROM LATE TONIGHT THROUGH SUNDAY
MORNING...
THE NATIONAL WEATHER SERVICE IN UPTON HAS ISSUED A FREEZE WATCH...
WHICH IS IN EFFECT FROM LATE TONIGHT THROUGH SUNDAY MORNING.
* LOCATIONS...INTERIOR SOUTHWEST CONNECTICUT...THE LOWER HUDSON
VALLEY AND WESTERN PASSAIC COUNTY IN NEW JERSEY.
* HAZARDS...HARD FREEZE.
* TEMPERATURES...MID TO UPPER 20S THIS MORNING. UPPER 20S TO
AROUND 30 POSSIBLE TONIGHT.
* TIMING...THROUGH 8 AM THIS MORNING AND 2 AM AND 8 AM SUNDAY.
* IMPACTS...ANY OUTDOOR...SENSITIVE VEGETATION MAY SUFFER DAMAGE
IF NOT PROTECTED.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A FREEZE WARNING MEANS BELOW FREEZING TEMPERATURES ARE IMMINENT
OR HIGHLY LIKELY. THESE CONDITIONS WILL KILL CROPS AND OTHER
SENSITIVE VEGETATION.
A FREEZE WATCH MEANS BELOW FREEZING TEMPERATURES ARE POSSIBLE.
THESE CONDITIONS COULD KILL CROPS AND OTHER SENSITIVE VEGETATION.
&&
$$
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
603 AM EDT SAT APR 28 2012
LMZ844>849-MIZ037>040-043>046-050>052-056>059-064 >067-071>074-
291015-
ST JOSEPH TO SOUTH HAVEN MI-SOUTH HAVEN TO HOLLAND MI-
HOLLAND TO GRAND HAVEN MI-GRAND HAVEN TO WHITEHALL MI-
WHITEHALL TO PENTWATER MI-PENTWATER TO MANISTEE MI-MASON-LAKE-
OSCEOLA-CLARE-OCEANA-NEWAYGO-MECOSTA-ISABELLA-MUS KEGON-MONTCALM-
GRATIOT-OTTAWA-KENT-IONIA-CLINTON-ALLEGAN-BARRY-E ATON-INGHAM-
VAN BUREN-KALAMAZOO-CALHOUN-JACKSON-
603 AM EDT SAT APR 28 2012
THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTHWEST LOWER
MICHIGAN.
.DAY ONE...TODAY AND TONIGHT
BELOW FREEZING TEMPERATURES WILL BE POSSIBLE AGAIN TONIGHT.
.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY
THUNDERSTORMS WILL BE POSSIBLE NEXT WEEK BEGINNING MONDAY NIGHT.
THERE IS AN INCREASED RISK FOR SEVERE THUNDERSTORMS WEDNESDAY
INTO THURSDAY.
.SPOTTER INFORMATION STATEMENT...
SPOTTER ACTIVATION MAY BE NEEDED WEDNESDAY INTO THURSDAY.
$$
MJS
THE GFS AND NAM ARE BOTH SHOWING 20-30 KNOT SURFACE WINDS
OVER THE ATLANTIC WATERS AS THEY BOTH TRY AND DEVELOP A
HYBRID/SUBTROPICAL TYPE SYSTEM OFF THE SOUTHEAST COAST OF FLORIDA ON
SUNDAY...WITH A CLOSED SURFACE LOW OVER THE FLORIDA STRAITS. THE
ECMWF DOES NOT SHOW THIS...BUT DOES HAVE STRONGER WINDS ACROSS THE
ATLANTIC WATERS. SO IT APPEARS HEAVY RAIN WILL BE POSSIBLE LATE
TONIGHT ALONG THE EAST COAST DUE TO STRONG COASTAL CONVERGENCE. DID
NOT INCREASE WINDS DRAMATICALLY ACROSS THE REGION AND LOCAL
WATERS...AND INSTEAD OPTED TO DO A BLEND BUT STILL SHOWED SCA
CONDITIONS OVER THE ATLANTIC WATERS. BREEZY TO WINDY CONDITIONS MAY
BE POSSIBLE SUNDAY AFTERNOON...ESPECIALLY TOWARDS THE EAST COAST.
SURFACE HIGH PRESSURE IS EXPECTED TO GET REINFORCED SUNDAY INTO
MONDAY ACROSS THE ATLANTIC DUE TO HIGH PRESSURE MOVING OFF THE MID
ATLANTIC STATES. THIS SHOULD PUSH THE INVERTED TROUGH/HYBRID SYSTEM
BACK TO THE WEST IF IT DEVELOPS...AND BEGIN TO PULL THE DEEPER
MOISTURE AND HEAVIER RAINFALL BACK ACROSS SOUTH FLORIDA SUNDAY INTO
MONDAY. SO KEPT CHANCE TO LIKELY POPS ACROSS MOST OF THE REGION
THROUGH THIS TIME.
AO
PNA
http://www.cpc.ncep.noaa.gov/products/precip/CWli nk/pna/pna.sprd2.gif
MJO
http://www.cpc.ncep.noaa.gov/products/precip/CWli nk/MJO/ensplume_small.gif
All this spells cooler weather over the East and less Trade Winds over the tropics!
NATIONAL WEATHER SERVICE GREAT FALLS MT
424 AM MDT SAT APR 28 2012
MTZ009>014-047-048-050-051-053-290000-
/O.CON.KTFX.WS.W.0013.000000T0000Z-120429T0000Z/
/O.CON.KTFX.WW.Y.0025.000000T0000Z-120429T0000Z/
NORTHERN ROCKY MOUNTAIN FRONT-EASTERN GLACIER-HILL-CASCADE-
CHOUTEAU-CENTRAL AND SOUTHERN LEWIS AND CLARK-BLAINE-
SOUTHERN ROCKY MOUNTAIN FRONT-JUDITH BASIN-FERGUS-BROADWATER-
INCLUDING THE FOLLOWING LOCATIONS...BROWNING...MARIAS PASS...
CUT BANK...HAVRE...GREAT FALLS...KINGS HILL PASS...BIG SANDY...
FORT BENTON...FLESHER PASS...HELENA...LINCOLN...MACDONALD PASS...
ROGERS PASS...CHINOOK...CHOTEAU...STANFORD...LEWISTOWN...
LEWISTOWN DIVIDE...TOWNSEND
424 AM MDT SAT APR 28 2012
...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 PM MDT THIS
EVENING FOR ELEVATIONS ABOVE 4000 FEET...
...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM MDT THIS
EVENING FOR ELEVATIONS BELOW 4000 FEET...
A WINTER STORM WARNING FOR ELEVATIONS ABOVE 4000 FEET REMAINS IN
EFFECT UNTIL 6 PM MDT THIS EVENING. A WINTER WEATHER ADVISORY FOR
ELEVATIONS BELOW 4000 FEET REMAINS IN EFFECT UNTIL 6 PM MDT THIS
EVENING.
* TIMING AND MAIN IMPACT: PRECIPITATION WILL DECREASE FROM THE
WEST TODAY ACROSS NORTH CENTRAL AND CENTRAL MONTANA. ABOVE 4000
FEET...IT WILL CONTINUE TO BE ALL SNOW...WITH RAIN MIXING WITH
OR CHANGING OVER TO SNOW AT TIMES BELOW 4000 FEET.
* SNOW ACCUMULATIONS: AN ADDITIONAL 2 TO 4 INCHES OF SNOWFALL ARE
EXPECTED ABOVE 4000 FEET ALONG THE ROCKY MOUNTAIN FRONT...WHILE
3 TO 6 INCHES OF ADDITIONAL SNOW ARE EXPECTED IN THE REMAINING
AREAS ABOVE 4000 FEET ACROSS NORTH CENTRAL AND CENTRAL MONTANA.
BELOW 4000 FEET...AN INCH OR LESS OF SNOW ACCUMULATION IS
EXPECTED.
* WINDS AND VISIBILITY: NORTHWEST WINDS OF 15 TO 25 MPH WITH GUSTS
UP TO 35 MPH WILL COMBINE WITH FALLING SNOW TO REDUCE
VISIBILITIES TO LESS THAN ONE MILE AT TIMES...MAINLY EAST OF A
GREAT FALLS TO CUT BANK LINE.
* OTHER IMPACTS: ROADS WILL BE SNOW COVERED AND SLIPPERY ABOVE
4000 FEET. YOUNG LIVESTOCK MAY ALSO BE ADVERSELY AFFECTED.
OUTDOOR RECREATIONALISTS SHOULD BE PREPARED FOR THE WINTER
WEATHER. WET SNOW MAY ALSO ACCUMULATE ON POWER LINES AND TREES
THAT HAVE LEAFED OUT...POSSIBLY CAUSING DAMAGE OR POWER
OUTAGES.
* LOCATIONS AFFECTED INCLUDE: CHOTEAU...STANFORD...CHINOOK...
BIG SANDY...FORT BENTON...BROWNING...MARIAS PASS... CUT
BANK...HAVRE...GREAT FALLS...KINGS HILL PASS... TOWNSEND...
FLESHER PASS...HELENA...LINCOLN... MACDONALD PASS...ROGERS
PASS...LEWISTOWN...LEWISTOWN DIVIDE.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A WINTER STORM WARNING FOR HEAVY SNOW AND BLOWING SNOW MEANS
SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING.
STRONG WINDS AND SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST...WHICH
WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU
MUST...KEEP AN EXTRA FLASHLIGHT...FOOD...AND WATER IN YOUR
VEHICLE IN CASE OF AN EMERGENCY.
A WINTER WEATHER ADVISORY FOR SNOW AND BLOWING SNOW MEANS THAT
VISIBILITIES WILL BE LIMITED DUE TO A COMBINATION OF FALLING AND
BLOWING SNOW. USE CAUTION WHEN TRAVELING...ESPECIALLY IN OPEN
AREAS.
FOR SPECIFIC ROAD AND TRAVEL CONDITIONS IN MONTANA...DIAL 5 1 1.
&&
$$
NATIONAL WEATHER SERVICE CHARLESTON WV
815 AM EDT SAT APR 28 2012
KYZ103-105-WVZ005-006-013-014-281245-
BOYD KY-CABELL WV-LAWRENCE KY-LINCOLN WV-PUTNAM WV-WAYNE WV-
815 AM EDT SAT APR 28 2012
...A STRONG THUNDERSTORM WILL AFFECT BOYD...NORTH CENTRAL LAWRENCE...
SOUTHERN CABELL...SOUTHWESTERN PUTNAM...WAYNE AND WESTERN LINCOLN
COUNTIES...
AT 811 AM EDT...A STRONG THUNDERSTORM WAS LOCATED 7 MILES NORTHEAST
OF YATESVILLE LAKE STATE PARK...MOVING EAST AT 45 MPH.
WIND GUSTS TO 30 MPH AND PEA-SIZED HAIL ARE POSSIBLE WITH THIS STORM.
VERY HEAVY RAIN WILL FALL FROM THIS STORM...AND WILL CAUSE WATER TO
POND ON ROADS AND QUICKLY FILL ROADSIDE DITCHES AND SMALL STREAMS.
EXPECT INTENSE LIGHTNING FROM THIS STORM. DO NOT STAY IN THE OPEN NOR
SEEK SHELTER UNDER TREES WHEN LIGHTNING THREATENS...MOVE INDOORS WHEN
A THUNDERSTORM APPROACHES.
THIS STORM WILL BE NEAR WAYNE AROUND 820 AM...EAST LYNN AROUND 830
AM...BRANCHLAND AROUND 840 AM AND MYRA AROUND 850 AM.
THIS WILL IMPACT THE FOLLOWING INTERSTATES...I-64 BETWEEN MILE
MARKERS 186 AND 191 IN KENTUCKY...AND BETWEEN MILE MARKERS 1 AND 2 IN
WEST VIRGINIA.
PLEASE REPORT SIGNIFICANT WEATHER TO THE NATIONAL WEATHER SERVICE BY
CALLING TOLL FREE...877-633-6772...WHEN YOU CAN DO SO SAFELY.
LAT...LON 3838 8199 3803 8201 3809 8269 3839 8269
$$
12
UPPER TROUGH ACROSS THE YUCATAN CHANNEL IS FORECAST TO
LIFT SLOWLY TO THE NORTHEAST OVER THE NEXT 72 HRS WITH UPPER RIDGE
WEAKENING ON MONDAY. THIS WILL ALLOW FOR DEEP LAYER INSTABILITY
TO INCREASE AND THEREFORE BETTER CHANCES FOR SHOWERS AND
THUNDERSTORMS THROUGH THE END OF THE WEEK.
NATIONAL WEATHER SERVICE RIVERTON WY
608 AM MDT SAT APR 28 2012
...MODERATE TO HEAVY SNOW EXPECTED IN THE BIGHORN MOUNTAINS
TODAY...
.A VIGOROUS LOW PRESSURE SYSTEM WILL BRING AN EXTENDED PERIOD OF
SNOW...MODERATE TO HEAVY AT TIMES...IN THE BIGHORN MOUNTAINS TODAY
AND TONIGHT. SNOW WILL TAPER OFF SUNDAY MORNING AS THE LOW MOVES
OFF TO THE NORTHEAST.
WYZ008-009-282200-
/O.CON.KRIW.WW.Y.0018.000000T0000Z-120429T1200Z/
BIGHORN MOUNTAINS WEST-BIGHORN MOUNTAINS SOUTHEAST-
608 AM MDT SAT APR 28 2012
...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 AM MDT
SUNDAY...
A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 AM MDT
SUNDAY.
* SUMMARY AND TIMING...SNOWFALL WILL INCREASE IN INTENSITY TODAY
WITH MODERATE TO HEAVY SNOW FALLING THROUGH THE NIGHT. SNOW
WILL TAPER OFF DURING THE MORNING HOURS SUNDAY.
* SNOWFALL SO FAR AS OF 500 AM MDT...SNOWFALL RANGED FROM 3 TO 9
INCHES ABOVE 7700 FEET. BALD MOUNTAIN AT 9380 FEET...HAS
RECEIVED ABOUT 12 INCHES OF NEW SNOW SINCE 500 PM LAST NIGHT.
* SNOW ACCUMULATIONS...6 TO 12 INCHES. LOCALLY AS MUCH AS 18
INCHES IN THE NORTHERN BIGHORN MOUNTAINS...AROUND BALD MOUNTAIN.
* WIND AND VISIBILITY...15 TO 25 MPH WITH GUSTS OVER 30 MPH AT
TIMES. VISIBILITY WILL BE REDUCED TO BELOW ONE QUARTER MILE AT
TIMES IN HEAVIER SNOW.
* IMPACTS...POWDER RIVER AND GRANITE PASSES WILL BECOME SNOW
PACKED AND SLICK. TRAVEL WILL BE DIFFICULT AND IS NOT ADVISED
BUT IF YOU MUST TRAVEL MAKE SURE YOU HAVE A WINTER SAFETY KIT
IN YOUR VEHICLE.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW AND BLOWING
SNOW WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY
ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING.
THE LATEST ROAD CONDITIONS PROVIDED BY THE WYOMING DEPARTMENT OF
TRANSPORTATION ARE AVAILABLE BY CALLING 5-1-1 OR ON THE INTERNET
AT WYOROAD.INFO.
&&
$$
AR
We will end up with 15 named storms lol! Bets are opened.
.
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