330
FXUS01 KWBC 140752
PMDSPD
SHORT RANGE FORECAST DISCUSSION
NWS WEATHER PREDICTION CENTER COLLEGE PARK MD
251 AM EST SUN DEC 14 2025
VALID 12Z SUN DEC 14 2025 - 12Z TUE DEC 16 2025
...SNOW WRAPS UP ACROSS NORTHEAST/MID-ATLANTIC COAST TODAY WHILE
LAKE EFFECT SNOW PICKS UP...
..HEAVY RAINFALL RETURNS TO PACIFIC NORTHWEST
..FRIGID ARCTIC AIRMASS SPREADS INTO EASTERN U.S. TODAY
A QUICK-HITTING BAND OF SNOW SHOULD WRAP UP IN THE MID-ATLANTIC
THIS MORNING, BUT LINGER ALONG THE NORTHEAST/SOUTHERN NEW ENGLAND
COAST INTO LATE THIS AFTERNOON BEFORE FINALLY MOVING OFFSHORE THIS
EVENING. IN ITS WAKE, A VERY COLD AND DRY ARCTIC AIRMASS WILL MOVE
INTO THE EASTERN THIRD OF THE COUNTRY. SURFACE HIGH PRESSURE OVER
THE UPPER/MIDDLE MISSISSIPPI VALLEY WILL SUPPORT HIGH TEMPERATURES
IN THE SINGLE DIGITS. EXTREME COLD WARNINGS ARE IN EFFECT FOR
PORTIONS OF EAST-CENTRAL ILLINOIS INTO WEST-CENTRAL INDIANA. HIGHS
IN THE TEENS MAY TIE OR BREAK NUMEROUS RECORDS IN THE OHIO VALLEY
TODAY. ARCTIC AIR ARRIVES OVER THE SOUTHEAST TONIGHT, WITH FREEZE
WARNINGS HOISTED FOR PORTIONS OF SOUTHERN GEORGIA AND NORTHERN
FLORIDA. COLD AIR REMAINS LOCKED IN OVER THE EAST INTO MONDAY
BEFORE TEMPERATURES BEGIN TO MODERATE ON TUESDAY. COLD
NORTHWESTERLY FLOW OVER THE GREAT LAKES WILL GENERATE MODERATE TO
HEAVY SNOWFALL ACROSS DOWNWIND AREAS THROUGH MONDAY EVENING. THE
LOWER GREAT LAKES MAY RECEIVE 6-12 INCHES, WITH ISOLATED HIGHER
AMOUNTS, BY TUESDAY MORNING.
UPPER RIDGING IN THE WEST WILL SUPPORT ABOVE AVERAGE TEMPERATURES
ACROSS THE REGION TODAY BEFORE EXPANDING EAST INTO THE PLAINS ON
MONDAY. HIGHS WILL RIVAL EXISTING RECORDS FOR MANY PARTS OF THE
WEST THROUGH MID-WEEK.
HEAVY RAIN RETURNS TO THE PACIFIC NORTHWEST TODAY, BENEATH A DEEP
UPPER-LEVEL LOW AND WAVES OF SURFACE LOW PRESSURE SYSTEMS. THE
HEAVIEST RAINFALL WILL OCCUR ON MONDAY AND TUESDAY, WHEN A STRONG
OCCLUDED SYSTEM MOVES THROUGH THE REGION. A SLIGHT RISK OF
EXCESSIVE RAINFALL LEADING TO FLASH FLOODING IS IN EFFECT FOR
WESTERN WASHINGTON AND NORTHWESTERN OREGON, DUE IN PART TO
SENSITIVITIES FROM THE MOST RECENT HEAVY RAIN EVENT FROM LAST
WEEK. SOME HEAVY SNOW MAY IMPACT THE HIGHEST ELEVATIONS OF THE
NORTHERN CASCADES AS WELL.
KEBEDE
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