Area Forecast Discussion
Issued by NWS Sterling, VA

Home | Current Version | Previous Version | Text Only | Print | Product List | Glossary On
Versions: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50
000
FXUS61 KLWX 231411
AFDLWX

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
1011 AM EDT SUN AUG 23 2015

.SYNOPSIS...
HIGH PRESSURE REMAINS OVER THE REGION THROUGH TONIGHT. A COLD
FRONT WILL CROSS THE MID ATLANTIC ON MONDAY. HIGH PRESSURE RETURNS
IN THE WAKE OF THE FRONT.

&&

.NEAR TERM /UNTIL 6 PM THIS EVENING/...
HIGH PRESSURE EXTENDING ACROSS EASTERN SEABOARD THIS MORNING WITH
ONE AREA OF LOW PRESSURE SITTING OFFSHORE AND ANOTHER APPROACHING
WITH ASSOCIATED COLD FRONT FROM THE WEST. 14Z OBS INDICATING SFC
TROF SPLITTING WV...WHICH WILL ACT AS A TRIGGERING POINT FOR AFTN
CONVECTION WITH THE PASSAGE OF A WEAK WAVE. HAVE CAPPED POPS TO
SLIGHT CHC JUST FOR AREAS OF THE POTOMAC HIGHLANDS AND SHENANDOAH
VALLEY. TEMPS HAVE BEEN A BIT SLOW TO WARM THIS MORNING WITH BKN-
OVC SKIES. BUT STILL EXPECTING A GOOD WARM UP INTO THE 80S FOR
HIGHS.

&&

.SHORT TERM /6 PM THIS EVENING THROUGH 6 AM MONDAY/...
NO PROBS XPCTD TNGT EITHER. LOWS A DEG OR TWO WARMER GIVEN AN
INFLUX OF MOISTURE...BASICALLY IN THE L60S XCPT WARMER IN THE
CITIES/ALONG THE BAY. LGT FOG PSBL IN THE SHEN VLLY AFTR MDNGT.

&&

.LONG TERM /MONDAY THROUGH SATURDAY/...
A COLD FRONT WILL CROSS THE REGION FROM WEST TO EAST ON MONDAY.
THE FRONT WILL BE ACCOMPANIED BY SCATTERED SHOWERS AND
THUNDERSTORMS. THE THREAT FOR ORGANIZED THUNDERSTORMS IS LOW.
MONDAY WILL BE WARM WITH HIGH TEMPERATURES APPROACHING THE UPPER
80S TO NEAR 90 EAST OF THE BLUE RIDGE...LOW TO MID 80S WEST.

HIGH PRESSURE WILL RIDGE INTO THE MIDDLE ATLANTIC ON TUESDAY AND
IS EXPECTED TO REMAIN THERE INTO THE FIRST PART OF NEXT WEEKEND.
IT WILL REMAIN DRY THROUGH THIS PERIOD WITH HIGH TEMPERATURES
GENERALLY IN THE UPPER 70S TO THE MIDDLE 70S WITH LOWS IN THE 50S
WEST...60S EAST.

&&

.AVIATION /14Z SUNDAY THROUGH THURSDAY/...
VFR CONDITIONS THRU THE TAF PERIOD. ISO TSTMS THIS AFTN SHOULD
REMAIN WEST OF ALL TAF SITES. WINDS LIGHT AND VRB.

SCATTERED SHOWERS AND THUNDERSTORMS POSSIBLE ALONG A COLD FRONT ON
MONDAY...OTHERWISE VFR EXPECTED TUESDAY THROUGH THURSDAY.

&&

.MARINE...
SUB-SCA CONDITIONS THRU TONIGHT.

WIND GUSTS OF 15 TO 20 KNOTS MAY BE POSSIBLE BEHIND A COLD FRONT
ON MONDAY...MOSTLY ON THE LOWER BAY. WINDS WILL LIKELY REMAIN
BELOW SCA CRITERIA TUESDAY THROUGH SATURDAY.

&&

.LWX WATCHES/WARNINGS/ADVISORIES...
DC...NONE.
MD...NONE.
VA...NONE.
WV...NONE.
MARINE...NONE.

&&

$$
SYNOPSIS...KRW/WOODY!
NEAR TERM...SEARS
SHORT TERM...WOODY!
LONG TERM...KRW
AVIATION...SEARS/KRW
MARINE...SEARS/KRW


USA.gov is the U.S. government's official web portal to all federal, state and local government web resources and services.