446
FXUS01 KWBC 300711
PMDSPD
SHORT RANGE FORECAST DISCUSSION
NWS WEATHER PREDICTION CENTER COLLEGE PARK MD
210 AM EST THU JAN 30 2025
VALID 12Z THU JAN 30 2025 - 12Z SAT FEB 01 2025
...HEAVY RAIN, SEVERE WEATHER, AND FLASH FLOODING POSSIBLE FROM
THE SOUTHERN PLAINS TO THE MID/LOWER MISSISSIPPI AND LOWER OHIO
VALLEYS TODAY...
...WIDESPREAD PRECIPITATION, INCLUDING HEAVY MOUNTAIN SNOW, TO
RETURN TO THE NORTHWEST, NORTHERN CALIFORNIA, AND THE NORTHERN
ROCKIES...
A LOW PRESSURE SYSTEM WILL MOVE ACROSS THE SOUTH-CENTRAL U.S.
TODAY THEN TRACK TOWARDS THE EAST AND NORTHEAST ON FRIDAY.
SOUTHERLY WINDS WILL BRING WARM MOIST AIR UP FROM THE GULF,
FUELING WIDESPREAD SHOWERS AND THUNDERSTORMS ACROSS THE SOUTHERN
PLAINS AND MISSISSIPPI VALLEY. CONDITIONS WILL BE FAVORABLE FOR
SOME STRONG TO SEVERE THUNDERSTORMS FROM EAST TEXAS THROUGH THE
LOWER MISSISSIPPI VALLEY TODAY, AND POTENTIAL SEVERE STORM HAZARDS
COULD INCLUDE DAMAGING WINDS, HAIL, AND PERHAPS A TORNADO OR TWO.
IN ADDITION TO THE SEVERE WEATHER THREAT, HEAVY RAINFALL WILL HAVE
TO POTENTIAL TO CAUSE ISOLATED TO SCATTERED INSTANCES OF FLASH
FLOODING FROM EAST TEXAS THROUGH THE MISSISSIPPI VALLEY TO THE
LOWER OHIO VALLEY TODAY. WHILE THUNDERSTORMS IMPACT THE
SOUTH-CENTRAL U.S., COLD AIR ON THE BACKSIDE OF THE LOW PRESSURE
SYSTEM WILL SUPPORT WINTRY WEATHER ACROSS NEW MEXICO AND COLORADO,
WITH HEAVY SNOW POTENTIAL IN THE HIGHER TERRAIN.
THE LOW PRESSURE SYSTEM WILL MOVE TOWARDS THE EAST AND NORTHEAST
ON FRIDAY WHILE WEAKENING, AND PRECIPITATION CHANCES WILL INCREASE
FOR MOST AREAS EAST OF THE MISSISSIPPI RIVER. THE SEVERE THREAT
WILL SHIFT EAST ON FRIDAY AS WELL, MOVING INTO THE CENTRAL/EASTERN
GULF COAST REGION WHERE A FEW STRONG STORMS WILL BE POSSIBLE. LATE
FRIDAY, MOISTURE FROM THE SYSTEM SHOULD SPREAD INTO THE NORTHEAST
WHERE IT WILL INTERACT WITH A COLD FRONT SAGGING SOUTH INTO THE
REGION, PRODUCING WINTRY WEATHER ACROSS THE EASTERN GREAT LAKES
AND NORTHEAST. ACCUMULATING SNOWFALL IS EXPECTED TO BE LIMITED,
WITH ONLY MINOR ACCUMULATIONS ACROSS NEW ENGLAND. THE SYSTEM WILL
EXIT OFF THE EAST COAST BY SATURDAY MORNING, AND DRY CONDITIONS
WILL RETURN.
FOR THE WEST, DRY WEATHER WILL PERSIST UNTIL A FRONTAL SYSTEM
APPROACHES THE WEST COAST LATE TODAY. THIS SYSTEM WILL PUSH INTO
THE NORTHWEST ON FRIDAY, THEN ANOTHER FRONT WILL FOLLOW CLOSE ON
ITS HEELS LATE FRIDAY INTO SATURDAY. WIDESPREAD PRECIPITATION IS
EXPECTED ACROSS THE NORTHWEST, NORTHERN CALIFORNIA, AND THE
NORTHERN ROCKIES. HEAVY RAIN ALONG THE COAST WILL RESULT IN
HEIGHTENED FLOODING CONCERNS, ESPECIALLY IN AND AROUND STEEP
TERRAIN. INLAND, HEAVY SNOW IS EXPECTED IN THE OLYMPICS, CASCADES,
NORTHERN ROCKIES, AND POTENTIALLY INTO PORTIONS OF THE SIERRA
NEVADA.
TEMPERATURES WILL BE WELL ABOVE AVERAGE FOR MOST OF THE CENTRAL
AND EASTERN U.S. THROUGH THE END OF THE WEEK, WITH THE EXCEPTION
OF THE NORTHEAST WHERE COLD AIR WILL SETTLE IN BEHIND A COLD
FRONT. THE WARMEST ANOMALIES ARE FORECAST TO BE IN THE UPPER
MIDWEST WHERE HIGH TEMPERATURES IN THE UPPER 40S AND LOWER 50S MAY
RIVAL A HANDFUL OF DAILY TEMPERATURE RECORDS TODAY. ELSEWHERE,
TEMPERATURES WILL BE NEAR NORMAL FOR MUCH OF THE WEST, BUT BELOW
AVERAGE TEMPERATURES WILL LINGER IN THE SOUTHWEST TODAY AND MAY
DEVELOP ALONG THE WEST COAST FROM WASHINGTON TO NORTHERN
CALIFORNIA FRIDAY AND SATURDAY.
DOLAN
GRAPHICS AVAILABLE AT
HTTPS://WWW.WPC.NCEP.NOAA.GOV/BASICWX/BASICWX_NDFD.PHP
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