916
FXUS01 KWBC 211843
PMDSPD
SHORT RANGE FORECAST DISCUSSION
NWS WEATHER PREDICTION CENTER COLLEGE PARK MD
243 PM EDT SUN MAY 21 2023
VALID 00Z MON MAY 22 2023 - 00Z WED MAY 24 2023
...SEVERE STORMS POSSIBLE ACROSS THE TEXAS PANHANDLE AND SOUTHERN
PLAINS MONDAY...
...WELL ABOVE NORMAL TEMPERATURES FOR THE NORTHERN PLAINS INTO THE
UPPER MIDWEST...
...SHOWERS, THUNDERSTORMS, AND LOCALLY HEAVY RAIN CONTINUE OVER
THE NORTHEAST GULF COAST/SOUTHEAST...
A FORMING COLD FRONT OVER THE PACIFIC NORTHWEST WILL BE THE
IMPETUS FOR SCATTERED THUNDERSTORMS THIS EVENING, AS THE STORM
PREDICTION CENTER DENOTES A SLIGHT RISK (LEVEL 2 OF 5) FOR SEVERE
WEATHER. THIS FRONT WILL CONTINUE EASTWARD ON MONDAY AND SERVE AS
A FOCUS FOR ADDITIONAL SHOWERS AND STORMS ACROSS MONTANA. IN
ADVANCE OF THE SYSTEM, WELL ABOVE NORMAL TEMPERATURES OVER EASTERN
MONTANA ON SUNDAY WILL SLIDE EASTWARD ACROSS THE NORTHERN PLAINS
MONDAY AND INTO THE UPPER MIDWEST TUESDAY. WIDESPREAD 80S ARE
EXPECTED WITH SOME AREAS REACHING 90F. A CANADIAN COLD FRONT WILL
DIP SOUTHWARD INTO MINNESOTA TUESDAY AFTERNOON AND HELP TRIGGER
SOME SHOWERS AND STORMS WITH COOLER TEMPERATURES BEHIND IT.
TEMPERATURES OVER MUCH OF THE REST OF THE GREAT BASIN/SOUTHWEST
AND INTERIOR CALIFORNIA WILL BE NEAR TO ABOVE NORMAL TO START THE
WORK WEEK.
OVER AND NEAR THE TEXAS PANHANDLE TOMORROW, SEVERE STORMS ARE
POSSIBLE ON MONDAY WITH LOCALIZED HEAVY RAIN AND ISOLATED FLASH
FLOODING. WITH HIGHER THAN AVERAGE MOISTURE VALUES OVER THE
ROCKIES, SCATTERED SHOWERS AND STORMS WILL DOT THE LANDSCAPE
WESTWARD TO NEVADA ESPECIALLY DURING THE AFTERNOON. MUCH OF THE
EASTERN HALF OF THE LOWER 48 WILL SEE RATHER TRANQUIL CONDITIONS
DURING THE NEXT TWO DAYS AS A WEAK FRONTAL SYSTEM OVER THE GREAT
LAKES INTO THE NORTHEAST SLOWLY DISSIPATES. TEMPERATURES WILL BE
NEAR NORMAL IN THE 70S TO AROUND 80F. HOWEVER, OVER THE SOUTHEAST
AND NORTHEAST GULF COAST, A LINGERING FRONTAL BOUNDARY WILL STALL
ACROSS NORTHERN FLORIDA, ACTING TO KEEP TEMPERATURES DOWN JUST A
BIT DUE TO AN ABUNDANCE OF CLOUDS AND WIDESPREAD SHOWERS WITH SOME
THUNDERSTORMS. RAINFALL CHANCES WILL BE HIGHEST ALONG THE GA/FL
BORDER INTO THE FL PENINSULA DURING THE NEXT FEW DAYS. GIVEN
ENOUGH RAINFALL OVER THE SAME AREAS, FLASH FLOODING IS POSSIBLE
ESPECIALLY IN MORE URBAN AREAS AND WHERE RAINFALL COMES DOWN THE
HEAVIEST. TEMPERATURES MAY ONLY HOLD IN THE 70S TO LOW 80S IN THIS
AREA.
FRACASSO
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