875  
FXUS61 KLWX 261825  
AFDLWX  
 
AREA FORECAST DISCUSSION  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
225 PM EDT SUN MAR 26 2017  
   
SYNOPSIS
 
A FRONT WILL REMAIN STATIONARY ACROSS THE AREA THROUGH THIS  
EVENING THEN RETURN AS A WARM FRONT LATE TONIGHT AND MONDAY.  
ANOTHER COLD FRONT WILL CROSS THE AREA LATE TUESDAY. HIGH  
PRESSURE WILL BUILD OVER THE REGION THURSDAY.  
 

 
   
NEAR TERM /THROUGH TONIGHT/
 
MOISTURE CONVERGENCE WILL  
INCREASE ACROSS THE SOUTHWEST AND WEST WITH RAIN/SHOWERS MOVING  
INTO AREAS WEST OF THE BLUE RIDGE EARLY THIS EVENING AND EAST  
OF THE BLUE RIDGE OVERNIGHT AS WARM LIFTS NORTH INTO  
PENNSYLVANIA. AREAS OF FOG ARE ALSO POSSIBLE. WARM FRONT CLEARS  
THE AREA BY DAYBREAK MON IF NOT SOONER.  
 

 
   
SHORT TERM /MONDAY THROUGH TUESDAY NIGHT/
 
LOW CLOUDS WILL  
ERODE DURING THE MORNING WITH BREAKS IN THE CLOUDS EXPECTED IN  
THE AFTERNOON. A WEAK CONVERGENCE ZONE WILL EXIST/REMAIN AND  
COMBINED WITH SOME INSTABILITY COULD BE ENOUGH FOR SCATTERED  
SHOWERS. BETTER FORCING AND MOISTURE SPREADS ACROSS THE AREA  
LATE MON NIGHT AND TUE WITH APPROACH OF LOW PRESSURE AND  
ASSOCIATED CDFNT FOR BETTER COVERAGE OF SHOWERS AND  
THUNDERSTORMS.  
 

 
   
LONG TERM /WEDNESDAY THROUGH SUNDAY/
 
LONG TERM PERIOD STARTS DRY  
AS HIGH PRESSURE BUILDS OVER OUR REGION WEDNESDAY INTO THURSDAY  
WITH HIGH TEMPERATURES IN THE 50S AND 60S. CONDITIONS WILL  
DETERIORATE THURSDAY NIGHT INTO FRIDAY AS A LOW PRESSURE SYSTEM  
TRACKS EAST-NORTHEAST FROM MISSOURI TO NEAR LAKE ERIE. ITS  
ASSOCIATED WARM FRONT WILL STAY SOUTH OF THE MID-ATLANTIC INTO  
FRIDAY BEFORE LIFTING FRIDAY NIGHT. LOW PRESSURE DEVELOPS NEAR  
OR OFF OF THE DELMARVA PENINSULA FRIDAY NIGHT INTO SATURDAY AS  
UNSETTLED CONDITIONS CONTINUE OVER OUR REGION. CONDITIONS  
IMPROVE DURING THE DAY ON SATURDAY AS LOW PRESSURE MOVES AWAY  
FROM THE COAST. DRY CONDITIONS CONTINUE INTO SUNDAY.  
 

 
   
AVIATION /18Z SUNDAY THROUGH FRIDAY/
 
IFR CONDITIONS TONIGHT  
WITH CIGS/VSBYS IMPROVING TO MVFR/VFR MON. CHANCE OF RAIN IS  
GREATEST AFTER MIDNIGHT AT MAIN TERMINALS. SHOWERS AND POSSIBLE  
T-STORMS EXPECTED AGAIN ON TUE.  
 
DRY/VFR CONDITIONS EXPECTED FOR WEDNESDAY AND THURSDAY BEFORE  
RAIN APPROACHES THE AREA THURSDAY NIGHT, POSSIBLY BRINGING SUB-  
VFR CONDITIONS OVER THE TERMINALS INTO FRIDAY.  
 

 
   
MARINE
 
WINDS ARE NOT DOING MUCH RIGHT NOW SO CANCELLED SCA.  
HOWEVER, WINDS ARE EXPECTED TO INCREASE AGAIN ACROSS THE  
SOUTHERN WATERS LATE TONIGHT SO ISSUE SCA FOR SOUTHERN WATERS.  
 
DRY CONDITIONS EXPECTED FOR WEDNESDAY AND THURSDAY BEFORE RAIN  
APPROACHES THE AREA THURSDAY NIGHT, BRINGING SHOWERS OVER THE  
WATERS INTO FRIDAY. WIND GUSTS WILL BE NEAR THE SMALL CRAFT  
ADVISORY THRESHOLD DURING PARTS OF THIS PERIOD... THEREFORE SCA  
POSSIBLE AT TIMES.  
 

 
   
LWX WATCHES/WARNINGS/ADVISORIES
 
 
DC...NONE.  
MD...NONE.  
VA...NONE.  
WV...NONE.  
MARINE...SMALL CRAFT ADVISORY FROM 11 PM THIS EVENING TO 6 PM EDT  
MONDAY FOR ANZ533-534-537-541>543.  
 

 
 

 
SYNOPSIS...LFR  
NEAR TERM...LFR  
SHORT TERM...LFR  
LONG TERM...IMR  
AVIATION...IMR/LFR  
MARINE...IMR/LFR  
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.

The Nexlab VA Page
The Nexlab MD Page
The Nexlab WV Page Main Text Page