460
FXUS61 KLWX 040720
AFDLWX
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
320 AM EDT SAT OCT 4 2025
SYNOPSIS
HIGH PRESSURE WILL PROGRESS OFFSHORE THIS WEEKEND. A STRONG
COLD FRONT WILL MOVE THROUGH DURING THE MIDDLE OF NEXT WEEK.
HIGH PRESSURE WILL BUILD BACK IN BEHIND THE COLD FRONT FOR THE
END OF NEXT WEEK.
NEAR TERM /THROUGH TONIGHT/
SKIES ARE CLEAR EARLY THIS MORNING, WITH PATCHY FOG STARTING TO
FORM, ESPECIALLY IN SHELTERED RIVER VALLEYS. ANY FOG WILL QUICKLY
BURN OFF THIS MORNING, GIVING WAY TO SUNNY SKIES AREAWIDE. HIGH
PRESSURE AT THE SURFACE WILL SHIFT OFFSHORE TODAY WHILE UPPER
LEVEL RIDGING STRENGTHENS OVERHEAD. AS THE HIGH MOVES OFFSHORE
WINDS WILL BECOME LIGHT OUT OF THE SOUTH TO SOUTHEAST. SOUTHERLY
WINDS WILL TRANSPORT A SLIGHTLY WARMER AIRMASS INTO THE AREA.
HIGH TEMPERATURES TODAY WILL BE IN THE UPPER 70S AND LOWER 80S
FOR MOST.
CLEAR SKIES AND LIGHT TO CALM WINDS ARE EXPECTED OVERNIGHT. PATCHY
FOG MAY FORM ONCE AGAIN DURING THE LATE NIGHT HOURS. LOW
TEMPERATURES WILL BE A COUPLE DEGREES WARMER THAN PRECEDING NIGHTS,
WITH UPPER 40S TO MID 50S FOR MOST.
SHORT TERM /SUNDAY THROUGH MONDAY NIGHT/
HIGH PRESSURE WILL REMAIN IN PLACE OFFSHORE AND UPPER RIDGING WILL
HOLD STRONG ALOFT THROUGH MONDAY. OUR STRETCH OF DRY WEATHER WILL
CONTINUE AS A RESULT, WITH MOSTLY SUNNY SKIES EACH DAY AND MOSTLY
CLEAR SKIES EACH NIGHT. SOUTHERLY FLOW WILL KEEP TEMPERATURES ABOVE
NORMAL, WITH HIGHS IN THE LOWER 80S FOR MOST. LOW TEMPERATURES WILL
GENERALLY BE IN THE 50S. PATCHY FOG WILL BE POSSIBLE EACH NIGHT,
ESPECIALLY IN SHELTERED RIVER VALLEYS.
LONG TERM /TUESDAY THROUGH FRIDAY/
DRY AND WARM CONDITIONS TUESDAY EAST OF THE APPALACHIAN MOUNTAINS
WITH HIGHS IN THE LOWER 80S. INCREASING CLOUDS WITH SHOWERS
DEVELOPING IN THE APPALACHIAN MOUNTAINS ON TUESDAY WITH HIGHS IN THE
UPPER 70S.
A COLD FRONT WILL SLICE ACROSS THE REGION WEDNESDAY INTO WEDNESDAY
EVENING. ADDITIONAL SHOWERS AND PERHAPS A THUNDERSTORM OR TWO IS
EXPECTED TO DEVELOP AHEAD OF AND ALONG THE FRONT IN ANY PORTION OF
THE REGION DURING THIS PERIOD. TEMPERATURES WILL BE CLOSE TO AVERAGE
DUE TO CLOUD COVER AND SHOWERS. AFTER THE FRONT PUSHES THROUGH THE
REGION AND HIGH PRESSURE FROM CANADA BUILDS SOUTHWARD THURSDAY AND
FRIDAY, DRY CONDITIONS AND CHILLY TEMPERATURES WILL ENSUE BOTH
DAYS.
AVIATION /07Z SATURDAY THROUGH WEDNESDAY/
PREVAILING VFR CONDITIONS ARE EXPECTED AT THE TERMINALS THROUGH
MONDAY. WINDS WILL BE LIGHT OUT OF THE SOUTH TO SOUTHEAST
DURING THE DAYLIGHT HOURS, BEFORE GOING CALM OVERNIGHT IN MOST
LOCATIONS. PATCHY FOG MAY BE POSSIBLE EACH NIGHT, ESPECIALLY
NEAR MRB AND CHO.
VFR CONDITIONS TUESDAY WITH SOME MVFR CONDITIONS DUE TO SHOWERS NEAR
MRB AND CHO TUESDAY NIGHT. SIMILAR MVFR CONDITIONS AT THE OTHER
TERMINALS WEDNESDAY INTO WEDNESDAY EVENING AS A COLD FRONT PUSHES
THROUGH THE REGION AND SHOWERS EVOLVE. WINDS SOUTH 5 TO 10 KNOTS
TUESDAY AND TUESDAY NIGHT. WINDS BEGINNING SOUTHWEST 5 TO 10 KNOTS
WEDNESDAY SHIFTING NORTHWEST AROUND 10 KNOTS WEDNESDAY NIGHT WITH
FRONTAL PASSAGE.
MARINE
SUB-SCA LEVEL SOUTHERLY WINDS ARE EXPECTED OVER THE WATERS EACH DAY
THROUGH MONDAY. WINDS WILL BE THE LIGHTEST TODAY, AT AROUND 5 KNOTS.
A SLIGHT INCREASE IS EXPECTED SUNDAY AFTERNOON INTO MONDAY WITH
WINDS AROUND 10 KNOTS.
NO MARINE HAZARDS TUESDAY THROUGH WEDNESDAY. SMALL CRAFT ADVISORIES
LIKELY WEDNESDAY NIGHT WITH FRONTAL PASSAGE. WINDS SOUTH TO
SOUTHWEST 5 TO 10 KNOTS TUESDAY THROUGH WEDNESDAY, SHIFTING
NORTHWEST 10 TO 20 KNOTS WEDNESDAY NIGHT.
TIDES/COASTAL FLOODING
TIDAL ANOMALIES HAVE LEVELED OFF AFTER DROPPING SHARPLY OVER THE
LAST 24 HOURS. NO TIDAL FLOODING IS FORECAST OVER THE NEXT FEW DAYS,
BUT MORE SENSITIVE LOCATIONS MAY REACH ACTION STAGE.
LWX WATCHES/WARNINGS/ADVISORIES
DC...NONE.
MD...NONE.
VA...NONE.
WV...NONE.
MARINE...NONE.
SYNOPSIS...KJP
NEAR TERM...KJP
SHORT TERM...KJP
LONG TERM...KLW
AVIATION...KLW/KJP
MARINE...KLW/KJP
TIDES/COASTAL FLOODING...KJP
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