721
FXUS01 KWBC 080812
PMDSPD
SHORT RANGE FORECAST DISCUSSION
NWS WEATHER PREDICTION CENTER COLLEGE PARK MD
300 AM EST FRI MAR 08 2024
VALID 12Z FRI MAR 08 2024 - 12Z SUN MAR 10 2024
...SNOW GRADUALLY TAPERING OFF OVER THE CENTRAL HIGH PLAINS AS
WELL AS CENTRAL/SOUTHERN ROCKIES...
...THREAT OF FLASH FLOODING AND SEVERE WEATHER EXPECTED TO SWEEP
ACROSS THE DEEP SOUTH TO THE SOUTHEAST THROUGH THE NEXT COUPLE OF
DAYS...
...AN INTENSIFYING LOW PRESSURE SYSTEM WILL BRING LOCALLY HEAVY
RAIN AND STRONG WINDS FROM THE OHIO VALLEY TO NEW ENGLAND LATE
SATURDAY INTO SUNDAY...
...WET SNOW EXPECTED ACROSS THE GREAT LAKES TO NORTHERN NEW
ENGLAND LATE SATURDAY TO SUNDAY AS NEXT ROUND OF RAIN AND MOUNTAIN
SNOW REACHES THE PACIFIC NORTHWEST...
UPPER-LEVEL MOISTURE ARRIVING FROM THE EASTERN PACIFIC IN
ASSOCIATION WITH A SUBTROPICAL JET STREAM WILL INTERACT WITH A
COLD AIR MASS DIPPING INTO THE MID-SECTION OF THE COUNTRY THROUGH
THE NEXT COUPLE OF DAYS. THIS INTERACTION WILL RESULT IN ACTIVE
TO LOCALLY SEVERE WEATHER TO MOVE FROM WEST TO EAST ACROSS MANY
AREAS OF THE EASTERN HALF OF THE COUNTRY THROUGH SUNDAY MORNING.
IN ADDITION, LOWER-LEVEL MOISTURE FROM THE GULF OF MEXICO WILL BE
INGESTED INTO THE SYSTEM. THESE COMPLEX INTERACTIONS WILL RESULT
IN AN AXIS OF HEAVY RAIN AND POSSIBLY SEVERE WEATHER TO BLOSSOM
LATER TODAY ACROSS THE LOWER MISSISSIPPI VALLEY, SPREADING THROUGH
THE DEEP SOUTH FRIDAY NIGHT, AND THEN THROUGH THE SOUTHEAST ON
SATURDAY. MEANWHILE, A LOW-LEVEL DISTURBANCE THAT HAS BEEN
SUSTAINING LOCALLY HEAVY SNOW OVER THE CENTRAL HIGH PLAINS IS
FORECAST TO WEAKEN AND ALLOW THE SNOW THERE, AS WELL AS THE SNOW
OVER THE CENTRAL TO SOUTHERN ROCKIES, TO GRADUALLY TAPER OFF TODAY
INTO THIS EVENING. BY SATURDAY, A LOW PRESSURE CENTER IS FORECAST
TO CONSOLIDATE OVER THE OHIO VALLEY WHEN THE SYSTEM INTENSIFIES
MORE RAPIDLY AND TRACKS NORTHEASTWARD INTO THE LOWER GREAT LAKES
SATURDAY NIGHT. LOCALLY HEAVY RAIN AND INCREASINGLY STRONG AND
GUSTY WINDS ARE EXPECTED TO DEVELOP FROM THE OHIO VALLEY TO NEW
ENGLAND LATE SATURDAY INTO SUNDAY. COLDER AIR WRAPPING AROUND THE
LOW PRESSURE CENTER IS EXPECTED TO CHANGE THE RAIN TO WET SNOW
FROM ACROSS THE GREAT LAKES TO PORTIONS OF NORTHERN NEW ENGLAND
ESPECIALLY FOR THE HIGHER ELEVATIONS.
MUCH OF THE GREAT PLAINS WILL DRY OUT ON SATURDAY BEHIND THE LOW
PRESSURE SYSTEM AS A HIGH PRESSURE SYSTEM TAKES OVER. THE DRY
WEATHER WILL EXTEND INTO MUCH OF THE WESTERN U.S. HOWEVER,
MOISTURE ASSOCIATED WITH THE NEXT PACIFIC SYSTEM IS SCHEDULED TO
REACH THE OLYMPIC PENINSULA LATER TODAY WITH RAIN FOR THE LOWER
ELEVATIONS AND SNOW FOR RATHER HIGH ELEVATIONS. THE RAIN AND
MOUNTAIN SNOW WILL EXPAND SOUTHWARD ACROSS OREGON AND INTO
NORTHERN CALIFORNIA ON SATURDAY INTO SATURDAY NIGHT. THE CASCADES
WILL SEE SNOW PICKING UP INTENSITY ON SATURDAY AS THE NEXT BATCH
OF MOISTURE GETTING READY TO REACH THE COASTLINE OF THE PACIFIC
NORTHWEST BY EARLY ON SUNDAY.
KONG
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