411
FXUS61 KLWX 020135
AFDLWX
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
935 PM EDT TUE APR 1 2025
SYNOPSIS
HIGH PRESSURE WILL BUILD TO THE NORTH NEAR NEW ENGLAND THROUGH
WEDNESDAY AS DEEP LOW PRESSURE DEVELOPS OVER THE PLAINS AND
MOVES INTO CANADA. A WARM FRONT AHEAD OF THE LOW WILL LIFT
THROUGH THE AREA WEDNESDAY NIGHT. THE COLD FRONT WILL MOVE INTO
THE AREA THURSDAY, THEN MEANDER NEARBY THROUGH SATURDAY BEFORE
ANOTHER AREA OF LOW PRESSURE LIFTS BY SUNDAY.
NEAR TERM /THROUGH TONIGHT/
HIGH PRESSURE WILL CONTINUE TO BUILD TO OUR NORTH ACROSS QUEBEC
TONIGHT. WINDS WILL GO LIGHT THIS EVENING, BEFORE EVENTUALLY
TURNING OUT OF THE EAST LATER IN THE NIGHT. SKIES ARE CLEAR AT
THE MOMENT, BUT HIGH CLOUDS WILL BE ON THE INCREASE DURING THE
SECOND HALF OF THE NIGHT. DESPITE THE INCREASE IN CLOUDS, DRY
CONDITIONS ARE EXPECTED TO PERSIST THROUGHOUT THE NIGHT. LOW
TEMPERATURES WILL BE IN THE 30S FOR MOST, WITH LOWER 40S IN DC
AND BALTIMORE, AS WELL AS PORTIONS OF CENTRAL VIRGINIA AND
SOUTHERN MARYLAND.
SHORT TERM /WEDNESDAY NIGHT THROUGH THURSDAY NIGHT/
WINDS TURN FROM THE SOUTHEAST WED AS HIGH PRESSURE SHIFTS
OFFSHORE. WINDS WILL GUST TO AROUND 25 MPH WED, BUT STRONGER AT
GARRETT COUNTY WHERE IT WILL BE A DOWNSLOPE WINDS. A FEW SHOWERS
WILL BE POSSIBLE ACROSS WESTERN MD, BUT THE BETTER CHANCE OF
SHOWERS/T-STORMS AREAWIDE WILL COME THU NIGHT AS FRONT SAGS
INTO THE AREA AND INTERCEPTS AN INCREASINGLY MOIST AIR MASS.
LONG TERM /FRIDAY THROUGH TUESDAY/
UNSETTLED WEATHER FOR MUCH OF THE LONG TERM WITH A FRONT IN THE
VICINITY. ON FRIDAY, A COLD FRONT WILL SLOWLY DRIFT TO THE
SOUTH BEFORE STALLING TO THE SOUTH ON SATURDAY AS A STATIONARY
FRONT. ON SUNDAY, THE FRONT WILL COME BACK NORTH AS A WARM
FRONT. FINALLY, LATER SUNDAY INTO SUNDAY NIGHT, THE FRONT MOVES
THROUGH AS A COLD FRONT AND HAS NO SIGNS OF RETREATING BACK. IN
TURN, THE FRONT MEANDERING NEARBY WILL RESULT IN PRECIPITATION
CHANCES DAILY. TEMPERATURES WILL BE HIGHLY DEPENDENT ON FRONTAL
POSITIONING, SO A GRADIENT IN TEMPERATURES ACROSS THE FA IS
POSSIBLE.
HIGH PRESSURE BUILDS IN THEREAFTER DRYING THINGS OUT. NOTABLY COOLER
TO COLD MONDAY AND TUESDAY WITH FROST/FREEZE RISKS EACH NIGHT.
AVIATION /02Z WEDNESDAY THROUGH SUNDAY/
GUSTY NW WINDS DIMINISH TONIGHT AND BECOME SE UP TO 20 KT WED.
CDFNT WILL CROSS THE TERMINALS THU EVENING WITH SHOWERS AND
THUNDERSTORMS LIKELY AND WINDS SHIFTING TO THE WEST.
WITH THE FRONT NEARBY FRIDAY AND SATURDAY, SUB-VFR CONDITIONS ARE
POSSIBLE IN AREAS OF RAIN. WINDS WILL BE SW'LY FRIDAY MORNING BEFORE
BECOMING NW'LY AFTER FROPA. WINDS BECOME S'LY AGAIN SATURDAY AS THE
FRONT LIFTS NORTH.
MARINE
WINDS WILL DECREASE THIS EVENING, THEN PICK UP OUT OF THE EAST
LATER TONIGHT. THE START TIME OF SCAS HAVE BEEN MOVED UP TO 1 AM
FOR MUCH OF THE BAY. SCA CONDITIONS ARE EXPECTED OVER ALL
WATERS TOMORROW, WITH WINDS TURNING OUT OF THE SOUTHEAST. A
FRONT WILL MOVE ACROSS THE WATERS THU NIGHT WITH WINDS SHIFTING
TO A WESTERLY DIRECTION.
WINDS LIKELY REMAIN BELOW SCA CRITERIA FRIDAY AND SATURDAY. WINDS
WILL NEAR SCA CRITERIA IN THE SOUTHERN PORTIONS OF THE WATERS
SATURDAY AFTERNOON.
LWX WATCHES/WARNINGS/ADVISORIES
DC...NONE.
MD...SMALL CRAFT ADVISORY FROM 1 AM TO 6 PM EDT WEDNESDAY FOR
MDZ008.
VA...NONE.
WV...NONE.
MARINE...SMALL CRAFT ADVISORY FROM 1 AM TO 6 PM EDT WEDNESDAY FOR
ANZ530>533-538>541.
SMALL CRAFT ADVISORY FROM 8 AM TO 6 PM EDT WEDNESDAY FOR
ANZ534>537-542-543.
SYNOPSIS...LFR
NEAR TERM...KJP
SHORT TERM...LFR
LONG TERM...CPB
AVIATION...LFR/CPB
MARINE...LFR/CPB
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