Area Forecast Discussion
Issued by NWS Sterling, VA

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000 FXUS61 KLWX 051939 AFDLWX AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 239 PM EST FRI FEB 5 2016 .SYNOPSIS...HIGH PRESSURE WILL BUILD OVERHEAD THROUGH SATURDAY. COASTAL LOW PRESSURE WILL PASS BY WELL TO THE SOUTH AND EAST SUNDAY. ANOTHER LOW PRESSURE SYSTEM MAY IMPACT THE AREA MONDAY INTO TUESDAY. THE LOW WILL MOVE AWAY FROM THE AREA DURING THE MIDDLE PORTION OF NEXT WEEK. && .NEAR TERM /THROUGH SATURDAY/...LOW PRESSURE HAS RAPIDLY MOVED NORTHEAST AND OFF THE SOUTHERN NEW ENGLAND COAST THIS AFTERNOON. AN UPPER LEVEL TROUGH WILL CONTINUE TO PASS OVER THE REGION THROUGH THIS EVENING. HIGH PRESSURE WILL BUILD INTO THE REGION TONIGHT WHILE COLD AIR ADVECTION CONTINUES. NW WINDS 20-25 MPH WITH GUSTS UP TO 35 MPH ARE EXPECTED THE REST OF THE AFTERNOON BECOMING 10-15 MPH TONIGHT. MOSTLY CLEAR CONDITIONS EXPECTED TONIGHT. TEMPS WILL DROP INTO THE 20S OVERNIGHT. HIGH PRESSURE WILL REMAIN OVERHEAD SATURDAY. WINDS WILL BECOME LIGHT AND SOUTHERLY WITH TEMPS REACHING THE MID 40S UNDER MOSTLY SUNNY CONDTIONS. && .SHORT TERM /SATURDAY NIGHT THROUGH SUNDAY/...AN UPPER LEVEL TROUGH WILL DIG INTO THE SE US SATURDAY NIGHT AND SUNDAY. COASTAL LOW PRESSURE IS EXPECTED TO DEVELOP OFF THE CAROLINA COAST BY SUNDAY MORNING. ACROSS THE MID-ATLANTIC... HIGH PRESSURE PERSISTS OVERHEAD. CLOUDS WILL INCREASE SATURDAY NIGHT. MOST OF THE MODEL GUIDANCE HAS THE UPPER LEVEL TROUGH PUSHING THE COASTAL LOW OUT TO SEA AND THE MID-ATLANTIC WILL LIKELY NOT BE IMPACTED SUNDAY. CONFIDENCE IS MEDIUM THAT PRECIPITATION WILL STAY SOUTH OF THE REGION SUNDAY. && .LONG TERM /SUNDAY NIGHT THROUGH FRIDAY/...RIVER FLOODING IS COMING TO AN END AS WATER LEVELS DROP BELOW THEIR FLOOD STAGES. MINOR FLOODING IS STILL OCCURRING ON THE MAINSTEM POTOMAC BETWEEN AT EDWARDS FERRY. PLEASE SEE FLOOD WARNING FOR MORE INFORMATION. && .AVIATION /20Z FRIDAY THROUGH WEDNESDAY/... VFR CONDTIONS EXPECTED TODAY THROUGH SATURDAY AS HIGH PRESSURE MOVES INTO THE REGION. NW WINDS 15-20 GUSTS UP TO 35 KTS EXPECTED THIS AFTERNOON BEFORE DIMINISHING TO 10-15 KTS OVERNIGHT. LIGHT S WINDS EXPECTED SATURDAY. HIGH PRESSURE REMAINS IN PLACE THROUGH SUNDAY. VFR CONDITIONS EXPECTED. && .MARINE...GUSTY WINDS CONTINUE ON THE WATERS TODAY AND THIS EVENING. GUSTS UP TO 30 KT HAVE BEEN REPORTED AND WILL DIMINISH INTO THE EVENING HOURS. SCA IS IN EFFECT FOR ALL WATERS THROUGH THE EARLY EVENING. SCA CONTINUE ON THE BAY AND LOWER TIDAL POTOMAC THROUGH EVENING. HIGH PRESSURE BUILDS INTO THE REGION TONIGHT AND REMAINS IN PLACE SATURDAY AND SUNDAY. WINDS WILL LIKELY INCREASE SUNDAY NIGHT AS A COASTAL LOW DEVELOPS SOUTH OF THE WATERS. NO MARINE HAZARDS MONDAY NIGHT AND TUESDAY. && .HYDROLOGY...RIVER FLOODING IS COMING TO AN END AS WATER LEVELS DROP BELOW THEIR FLOOD STAGES. MINOR FLOODING IS STILL OCCURRING ON THE MAINSTEM POTOMAC AT EDWARDS FERRY. PLEASE SEE FLOOD WARNING FOR MORE INFORMATION. && .LWX WATCHES/WARNINGS/ADVISORIES... DC...NONE. MD...NONE. VA...NONE. WV...NONE. MARINE...SMALL CRAFT ADVISORY UNTIL 10 PM EST THIS EVENING FOR ANZ530>534-537>543. SMALL CRAFT ADVISORY UNTIL 6 PM EST THIS EVENING FOR ANZ535- 536. && $$ SYNOPSIS...HAS NEAR TERM...HAS SHORT TERM...HAS LONG TERM...KLW AVIATION...HAS/KLW MARINE...HAS/KLW HYDROLOGY...HAS

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