Area Forecast Discussion
Issued by NWS Sterling, VA

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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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