Area Forecast Discussion
Issued by NWS Sterling, VA

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000 FXUS61 KLWX 301925 AFDLWX AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 325 PM EDT SAT APR 30 2016 .SYNOPSIS...
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HIGH PRESSURE OFF THE NEW ENGLAND COAST WILL MOVE FURTHER OFFSHORE TONIGHT. LOW PRESSURE WILL TRACK ACROSS PENNSYLVANIA SUNDAY NIGHT WITH ASSOCIATED COLD FRONT MOVING THROUGH THE AREA EARLY MONDAY. ANOTHER COLD FRONT IS EXPECTED THURSDAY.
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&& .NEAR TERM /THROUGH SUNDAY/...
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RAIN IS EXPECTED TO REACH THE POTOMAC HIGHLANDS BY EVENING AND OVERSPREAD THE REST OF THE AREA MAINLY AFTER MIDNIGHT AS H85 WARM FRONT LIFTS THROUGH THE AREA. HALF TO ONE INCH OF RAIN EXPECTED. RAIN TAPERS OFF TO -SHRA BY 18Z AS DRY SLOT MOVES IN. NOT LOOKING FOR MUCH INSTABILITY THAT COULD KICK T-STORMS AS CLOUDS SHOULD HANG TOUGH AND AN INVERSION REMAINS IN PLACE.
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&& .SHORT TERM /SUNDAY NIGHT THROUGH MONDAY NIGHT/...
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POTENTIAL FOR FOG AND ADDITIONAL SHOWERS SUN NIGHT AS MOIST SOUTHEAST FLOW PREVAILS AND LOW PRESSURE TRACKS ACROSS PA. ASSOCIATED CDFNT SWEEPS THROUGH THE AREA AROUND 12Z MON WITH DRY WESTERLY FLOW TAKING OVER. MUCH WARMER THAN IT HAS BEEN RECENTLY WITH HIGHS TOPPING OUT IN THE LOW 80S. ANOTHER UPPER AIR DISTURBANCE TRACKS ACROSS THE AREA MON NIGHT WITH SHOWERS POSSIBLE LATE MON NIGHT.
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&& .LONG TERM /TUESDAY THROUGH SATURDAY/...
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WEAK HIGH PRESSURE BUILDS IN TUE BEFORE ANOTHER UPPER LEVEL TROUGH SWINGS THROUGH THE AREA FROM THE ERN GRT LKS WED-THU. MUCH COLDER AIR ALOFT MOVING WILL RESULT IN INSTABILITY SHOWERS AND POSSIBLE T-STORMS. HIGH PRESSURE RETURNS FOR NEXT WEEKEND WITH IMPROVING WX CONDITIONS.
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&& .AVIATION /19Z SATURDAY THROUGH THURSDAY/...
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MVFR CIGS THIS AFTERNOON AND EARLY EVENING. RAIN MOVES IN THIS EVENING WITH CONDITIONS DETERIORATING TO IFR AND LIFR TOWARD DAYBREAK SUN. IFR MOST OF THE DAY SUN WITH RAIN ENDING BY 18Z. FOG POTENTIAL SUN NIGHT AND POSSIBLE SHOWERS OVERNIGHT SUN. DRY AND BREEZY MON UNDER WRLY FLOW.
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&& .MARINE...
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WINDS 10 KT OR LESS THROUGH SUN NIGHT THEN SCA CONDITIONS LIKELY MON UNDER WESTERLY FLOW.
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&& .TIDES/COASTAL FLOODING...
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WATER LEVELS EXPECTED TO RISE SUN AFTERNOON WITH MINOR COASTAL FLOODING AT ANNAPOLIS...SOLOMONS ISLAND AND STRAITS POINT.
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&& .LWX WATCHES/WARNINGS/ADVISORIES... DC...NONE. MD...NONE. VA...NONE. WV...NONE. MARINE...NONE. && $$ SYNOPSIS...LFR NEAR TERM...LFR SHORT TERM...LFR LONG TERM...MSE AVIATION...MSE/LFR MARINE...MSE/LFR TIDES/COASTAL FLOODING...LFR

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