388
FXUS01 KWBC 210809
PMDSPD
SHORT RANGE FORECAST DISCUSSION
NWS WEATHER PREDICTION CENTER COLLEGE PARK MD
400 AM EDT FRI MAR 21 2025
VALID 12Z FRI MAR 21 2025 - 12Z SUN MAR 23 2025
...WET WEATHER CONTINUES ACROSS THE PACIFIC NORTHWEST AS MOUNTAIN
SNOW SPREADS INTO THE NORTHERN ROCKIES BY THE WEEKEND...
...A BRIEF COLD SNAP ACROSS THE SOUTH THIS MORNING WILL BE
FOLLOWED BY A GENERAL WARM UP TO SPRING-LIKE TEMPERATURES FOR THE
PLAINS AND THE EAST COAST...
...FIRE WEATHER THREAT CONTINUES ACROSS LARGE PORTIONS OF THE
CENTRAL TO SOUTHERN PLAINS...
A LOW PRESSURE WAVE FORMING ALONG A COLD FRONT WILL TRACK ACROSS
THE NEW ENGLAND COAST THIS MORNING, BRINGING A PERIOD OF RAIN,
HEAVY AT TIMES FOR MUCH OF NEW ENGLAND, ESPECIALLY FOR MAINE
TODAY. THE RELATIVELY COMPACT SYSTEM IS FORECAST TO MOVE OFF INTO
THE CANADIAN MARITIMES BY TONIGHT. COLDER AIR WILL BE USHERED
INTO MUCH OF THE EASTERN U.S. AND INTO THE SOUTH TODAY FOR THE
FIRST FULL DAY OF SPRING. THE COLD AIR COULD CHANGE THE RAIN INTO
A PERIOD OF SNOW BEFORE ENDING ACROSS THE HIGHER-ELEVATION OF NEW
ENGLAND. ACROSS MUCH OF THE SOUTH, TEMPERATURES ARE DROPPING INTO
THE 30'S EARLY THIS MORNING, EVEN DOWN TO THE GULF COAST,
PROMPTING FREEZE WARNINGS FOR THE INTERIOR AND FROST ADVISORIES
FARTHER TO THE SOUTH.
A BROAD HIGH PRESSURE SYSTEM BEHIND THE COLD FRONT WILL DOMINATE
THE SOUTH TODAY BEFORE SLIDING EAST ACROSS FLORIDA, BRINGING THE
COLD AIR INTO THE REGION BY THE WEEKEND. SOUTHERLY WINDS BEHIND
THE HIGH PRESSURE SYSTEM WILL THEN BRING A WARMING TREND ACROSS
THE PLAINS, RAISING TEMPERATURES WELL UP INTO THE 70S AND 80S BY
SATURDAY AFTERNOON. A LACK OF MOISTURE COMBINED WITH BREEZY
CONDITIONS WILL KEEP AN ELEVATED TO LOCALLY CRITICAL FIRE WEATHER
THREAT FOR MUCH OF THE CENTRAL TO SOUTHERN PLAINS HEADING INTO THE
WEEKEND. DRY AND RED FLAG WARNING ARE CURRENTLY IN EFFECT FOR
PORTIONS OF THESE AREAS.
THE RECENT WET WEATHER PATTERN OVER THE PACIFIC NORTHWEST IS
EXPECTED TO CONTINUE OVER THE NEXT FEW DAYS. THE NEXT IN A SERIES
OF FRONTAL BOUNDARIES MOVING ACROSS THE NORTHEAST PACIFIC WILL
BRING ADDITIONAL ROUNDS OF MODERATE TO HEAVY RAIN INTO THE PACIFIC
NORTHWEST ESPECIALLY FOR SOUTHWESTERN OREGON INTO NORTHWESTERN
CORNER OF CALIFORNIA. ONLY THE HIGHEST ELEVATIONS ALONG THE
CASCADES ARE EXPECTED TO SEE HEAVY SNOW. THE MOUNTAIN SNOW IS
FORECAST TO REACH THE NORTHERN ROCKIES ON SATURDAY AS A LOW
PRESSURE SYSTEM BEGINS TO FORM OVER THE NORTHERN PLAINS. THIS
SYSTEM WILL BRING A ROUND OF MIXED RAIN/SNOW INTO THE UPPER
MIDWEST SATURDAY NIGHT INTO EARLY SUNDAY, WHILE DEVELOPING AND
EXPANDING AN AREA OF SCATTERED THUNDERSTORMS ACROSS THE CENTRAL
PLAINS TOWARD THE MID-MISSISSIPPI VALLEY AHEAD OF A LIFTING WARM
FRONT.
A COLD FRONT AND A WEAK WAVE OF LOW PRESSURE WILL BRING A PERIOD
OF MIXED RAIN AND SNOW ACROSS THE UPPER GREAT LAKES LATER TODAY,
INTO THE REMAINDER OF THE GREAT LAKES ON SATURDAY, BEFORE MOVING
INTO THE INTERIOR NORTHEAST MAINLY AS RAIN SHOWERS LATER ON
SATURDAY THROUGH SATURDAY NIGHT. A BRIEF COLD SNAP WILL DROP
TEMPERATURES INTO THE SINGLE DIGITS ACROSS NORTHERN MINNESOTA
SATURDAY MORNING. IN CONTRAST, SPRING-LIKE TEMPERATURES INTO THE
70S WILL REACH THE MID-ATLANTIC STATES BY SATURDAY AFTERNOON.
KONG
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