SHORT RANGE FORECAST DISCUSSION
NWS HYDROMETEOROLOGICAL PREDICTION CENTER CAMP SPRINGS MD
307 PM EST TUE FEB 09 2010
 
VALID 00Z WED FEB 10 2010 - 00Z FRI FEB 12 2010
 
A LARGE STORM SYSTEM IN THE MIDWEST AND OHIO VALLEY WILL MOVE
EASTWARD TO JUST OFF THE MID-ATLANTIC COAST BY WEDNESDAY MORNING.
THE SYSTEM WILL PRODUCE MODERATE TO HEAVY SNOW OVER THE OHIO
VALLEY...MID-ATLANTIC/CENTRAL APPALACHIANS TONIGHT...MOVING
NORTHEASTWARD TO THE SOUTHERN COAST OF NEW ENGLAND BY WEDNESDAY
EVENING. 

THE SOUTHERN PORTION OF THE SYSTEM AND ITS COLD FRONT WILL BRING
MODERATE TO HEAVY RAIN ACROSS THE SOUTHEAST/SOUTHERN MID-ATLANTIC
TONIGHT WITH MUCH COLDER AIR SPREADING SOUTHWARD ACROSS THE
SOUTHEAST...GULF COAST AND FLORIDA FOR WEDNESDAY NIGHT AND
THURSDAY. TEMPERATURE WILL BE 10-15 DEGREES BELOW NORMAL BEHIND
THE COLD FRONT OVER THE NEXT 2 DAYS. 

OVER THE CENTRAL US...A COLD BUT DRY CANADIAN AIRMASS AND HIGH
PRESSURE WILL DOMINATE THE WEATHER PATTERN. DAY TIME TEMPERATURES
ARE EXPECTED TO BE A GOOD 10-15 DEGREES BELOW NORMAL THROUGH
THURSDAY AFTERNOON.

OUT WEST...A SOUTHERN SYSTEM WILL MIGRATE THROUGH CENTRAL AND
SOUTHERN CALIFORNIA TONIGHT...THEN MOVE ACROSS THE DESERT
SOUTHWEST AND NORTHERN MEXICO ON THURSDAY. BY THURSDAY
NIGHT...PACIFIC MOISTURE WILL BE SPREADING INTO PORTIONS OF WEST
TEXAS. VALLEY RAINS AND MOUNTAIN SNOWS WILL BE THE PREVAILING
WEATHER CONDITIONS ACROSS MUCH OF THE SOUTHWEST THE NEXT TWO DAYS.


ACROSS THE PACIFIC NORTHWEST...THE STRONG RIDGE THAT HAS KEPT MUCH
OF THE REGION IN DRY CONDITIONS OF LATE WILL GIVE WAY TO A SERIES
OF WARMER AND WETTER SYSTEMS MOVING INTO THE EASTERN GULF OF
ALASKA AND SOUTHWEST CANADA. BEGINNING WEDNESDAY AFTERNOON...A
WEAK WARM FRONT BRUSHES THE WASHINGTON COAST...WITH A
SECOND...BROADER WARM FRONT BRINGING MODERATE RAINFALL TO THE
COASTAL SECTIONS OF WASHINGTON AND NORTHERN OREGON BY THURSDAY
MORNING. THIS SYSTEM AND ITS COLD FRONT WILL SPREAD LIGHT
PRECIPITATION INLAND ACROSS OREGON AND PORTIONS OF NORTHERN
CALIFORNIA BY THURSDAY NIGHT. 

VOJTESAK

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