Prognostic Meteorological Discussion
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601
FXUS01 KWBC 232030
PMDSPD

SHORT RANGE FORECAST DISCUSSION
NWS WEATHER PREDICTION CENTER COLLEGE PARK MD
329 PM EST THU FEB 23 2017

VALID 00Z FRI FEB 24 2017 - 00Z SUN FEB 26 2017

...RECORD WARM TEMPERATURES POSSIBLE FOR MANY LOCATIONS EAST OF
THE MISSISSIPPI RIVER THROUGH FRIDAY...

...STRONG WINTER STORM WILL BRING HEAVY SNOW AND GUSTY WINDS FROM
PORTIONS OF THE CENTRAL AND NORTHERN ROCKIES TO THE UPPER
MIDWEST...

MUCH OF THE U.S. EAST OF THE MISSISSIPPI RIVER WILL CONTINUE TO
OBSERVE WARMER THAN AVERAGE TEMPERATURES THROUGH FRIDAY, WITH A
BROAD AREA OF HIGH PRESSURE IN PLACE ALOFT AND A STRONG SURGE OF
WARM MOIST AIR FROM THE GULF OF MEXICO AHEAD OF AN APPROACHING
COLD FRONT AT THE SURFACE AND LOW LEVELS. FORECAST HIGHS RANGING
15 TO 30 DEGREES ABOVE SEASONAL AVERAGE WILL BE POSSIBLE FROM THE
SOUTHEAST TO THE LOWER GREAT LAKES AND EASTWARD TO THE
MID-ATLANTIC FRIDAY. THE WIDESPREAD WARMTH MAY LEAD TO SEVERAL
LOCATIONS REACHING OR EXCEEDING DAILY RECORDS BOTH FOR DAILY
MAXIMUM TEMPERATURES (FRIDAY AFTERNOON), AND FOR DAILY HIGH
MINIMUM TEMPERATURES (FRIDAY MORNING AND SATURDAY MORNING).

A STRONG WINTER STORM WILL TRACK FROM THE ROCKIES TO THE UPPER
MIDWEST THROUGH SATURDAY. A SURFACE LOW CONTINUES TO GAIN STRENGTH
AS IT MOVES INTO THE SOUTHERN PLAINS THIS AFTERNOON, AND WILL MOVE
THROUGH THE CENTRAL PLAINS TONIGHT AND INTO THE MIDWEST AND GREAT
LAKES REGION THROUGH THE DAY FRIDAY. THIS LOW PRESSURE SYSTEM IS
ALLOWING FOR ONGOING HEAVY BANDS OF SNOW AND GUSTY WINDS ACROSS
THE CENTRAL AND NORTHERN ROCKIES EAST INTO THE HIGH PLAINS. AS THE
LOW TRACKS NORTHEAST, THE HEAVY SNOW AND GUSTY WINDS WILL CONTINUE
TO SPREAD INTO PORTIONS OF THE UPPER MIDWEST AND UPPER GREAT
LAKES. A VAST AREA SPANNING FROM UTAH TO WISCONSIN HAVE A PLETHORA
OF HAZARDS IN PLACE, INCLUDING: BLIZZARD WARNINGS, WINTER STORM
WARNINGS, WINTER WEATHER ADVISORIES, AND WINTER STORM WATCHES.

SOUTH OF THE SNOW AREA, RAIN AND THUNDERSTORMS ARE EXPECTED FRIDAY
AND FRIDAY NIGHT FROM PORTIONS OF THE MID AND UPPER-MISSISSIPPI
VALLEY TO THE SOUTHERN GREAT LAKES AND OHIO VALLEY. SOME STORMS
COULD BE SEVERE ON FRIDAY ACROSS PORTIONS OF THE OHIO VALLEY AND
SOUTHERN GREAT LAKES. PLEASE REFER TO PRODUCTS ISSUED BY THE STORM
PREDICTION CENTER FOR FURTHER DETAILS ON THE SEVERE WEATHER THREAT.


WIX/CAMPBELL/RYAN


GRAPHICS AVAILABLE AT WWW.WPC.NCEP.NOAA.GOV/BASICWX/BASICWX_WBG.PHP
$$





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