392
FXUS01 KWBC 121926
PMDSPD
SHORT RANGE FORECAST DISCUSSION
NWS WEATHER PREDICTION CENTER COLLEGE PARK MD
326 PM EDT WED MAR 12 2025
VALID 00Z THU MAR 13 2025 - 00Z SAT MAR 15 2025
...SEVERE WEATHER POTENTIAL OVER THE SOUTHERN PLAINS AND LOWER
MISSISSIPPI VALLEY TODAY...
..STORM SYSTEM BRINGS UNSETTLED WEATHER TO THE WEST
...CRITICAL FIRE WEATHER RISK OVER PARTS OF THE SOUTHERN HIGH
PLAINS FOR THE REST OF THE WEEK...
..WARM TEMPERATURES ACROSS THE CENTRAL AND EASTERN U.S.
A VIGOROUS SHORTWAVE AND SURFACE LOW PRESSURE SYSTEM IS TRACKING
ACROSS THE SOUTHERN PLAINS TODAY WHICH WILL LEAD TO SHOWERS AND
THUNDERSTORM DEVELOPING THIS EVENING ACROSS THE ARKLATEX AND LOWER
MISSISSIPPI VALLEY REGION. THE STORM PREDICTION CENTER ISSUED A
SLIGHT RISK OF SEVERE THUNDERSTORMS OVER PARTS OF NORTHEAST TEXAS,
SOUTHEAST OKLAHOMA, WESTERN ARKANSAS AND NORTHWESTERN LOUISIANA
WHERE LARGE HAIL AND LOCALIZED WIND DAMAGE ARE POSSIBLE BEGINNING
THIS AFTERNOON AND CONTINUING INTO EARLY THURSDAY MORNING.
FOR THE WEST, AN AMPLIFIED UPPER TROUGH WILL MOVE ASHORE TODAY,
SPREADING PACIFIC MOISTURE, COOLER AIR AND STRONG WINDS ACROSS THE
REGION. POWERFUL WIND GUSTS OF 40 TO 70 MPH COMBINED WITH HEAVY
SNOW WILL CREATE TREACHEROUS TO POTENTIALLY IMPOSSIBLE TRAVEL
BELOW MANY MAJOR PASSES ACROSS THE SIERRA NEVADA AND NORTHERN
CALIFORNIA HIGHER TERRAIN INTO THURSDAY. SNOWFALL ACCUMULATIONS OF
1 TO 3 FEET, POSSIBLY HIGHER, ALONG WITH THE HIGH WINDS COULD
CAUSE SCATTERED POWER OUTAGES. HEAVY SNOW ABOVE 5000 FEET AND HIGH
WINDS WILL CAUSE WIDESPREAD HAZARDOUS TRAVEL OVER MUCH OF THE
SOUTHERN INTERMOUNTAIN WEST AND ROCKIES THURSDAY INTO FRIDAY.
PERIODS OF HEAVY RAIN WITH RATES OF 0.5"/HR ARE LIKELY IN PARTS OF
SOUTHERN CALIFORNIA THROUGH THURSDAY MORNING WILL KEEP AN ELEVATED
THREAT FOR FLASH FLOODING, INCLUDING SHALLOW DEBRIS FLOWS ACROSS
SENSITIVE BURN SCARS OR ISOLATED ROCK SLIDES, AS WELL AS HAZARDOUS
TRAVEL DUE TO PONDING OF WATER AND SLICK ROADS.
PERSISTENT DRY, WARM AND WINDY CONDITIONS WILL PROMOTE CRITICAL
FIRE WEATHER CONDITIONS ACROSS THE SOUTHERN HIGH PLAINS THROUGH
THE REST OF THE WEEK. UPPER-LEVEL RIDGING WILL SUPPORT ABOVE
AVERAGE TEMPERATURES ACROSS THE CENTRAL AND EASTERN U.S. FOR THE
NEXT FEW DAYS. HIGH TEMPERATURES IN THE 50S, 60S AND 70S OVER THE
MIDWEST AND NORTHERN PLAINS WILL REPRESENT 20 - 40 DEGREE
ANOMALIES THROUGH THE END OF THE WORK WEEK.
CAMPBELL/KEBEDE
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