135  
WGUS61 KLWX 132007  
FFALWX  
 
URGENT - IMMEDIATE BROADCAST REQUESTED  
FLOOD WATCH  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
407 PM EDT TUE MAY 13 2025  
 
...FORECAST FLOODING CHANGED FROM MINOR TO MODERATE SEVERITY AND  
INCREASED IN DURATION FOR THE FOLLOWING RIVERS IN VIRGINIA...  
MARYLAND...  
 
POTOMAC RIVER AT EDWARDS FERRY AFFECTING NORTHWEST MONTGOMERY,  
WESTERN LOUDOUN AND EASTERN LOUDOUN ZONES.  
 
FOR THE POTOMAC RIVER...INCLUDING PAW PAW, HANCOCK, SHEPHERDSTOWN,  
HARPERS FERRY, POINT OF ROCKS, EDWARDS FERRY, LITTLE FALLS...  
FLOODING IS POSSIBLE.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
IF YOU ARE IN THE WATCH AREA, REMAIN ALERT TO POSSIBLE FLOODING.  
 
STAY TUNED TO FURTHER DEVELOPMENTS BY LISTENING TO YOUR LOCAL RADIO,  
TELEVISION, OR NOAA WEATHER RADIO FOR FURTHER INFORMATION.  
 
ADDITIONAL INFORMATION IS AVAILABLE AT WWW.WEATHER.GOV/WASHINGTON OR  
WWW.WEATHER.GOV/BALTIMORE.  
 
THE NEXT STATEMENT WILL BE ISSUED LATE THIS EVENING.LATE TONIGHT AT  
1215 AM EDT.  
 

 
 
MDZ503-VAZ505-506-140415-  
/O.EXT.KLWX.FL.A.0003.250515T0543Z-000000T0000Z/  
/EDFM2.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.UU/  
407 PM EDT TUE MAY 13 2025  
 
...FLOOD WATCH NOW IN EFFECT FROM LATE WEDNESDAY NIGHT UNTIL FURTHER  
NOTICE...  
 
* WHAT...FLOODING IS POSSIBLE.  
 
* WHERE...POTOMAC RIVER AT EDWARDS FERRY.  
 
* WHEN...FROM LATE WEDNESDAY NIGHT UNTIL FURTHER NOTICE.  
 
* IMPACTS...AT 20.0 FEET, THE BASEMENTS OF THE EDWARDS FERRY  
LOCKHOUSE AND RILEYS LOCKHOUSE ARE FLOODED. BACKWATER FLOODING MAY  
AFFECT HOMES ON THE LOUDOUN COUNTY SIDE OF THE RIVER NEAR BROAD  
RUN IN STERLING.  
 
* ADDITIONAL DETAILS...  
- AT 3:45 PM EDT TUESDAY THE STAGE WAS 5.7 FEET, OR 9.3 FEET  
BELOW FLOOD STAGE.  
- FORECAST...FLOOD STAGE MAY BE REACHED EARLY THURSDAY MORNING.  
- FLOOD STAGE IS 15.0 FEET.  
- PLEASE VISIT WWW.WEATHER.GOV/SAFETY/FLOOD FOR FLOOD SAFETY  
AND PREPAREDNESS INFORMATION  
 

 
 
RIVER NAME FLD OBSERVED TUE WED WED CREST  
LOCATION STG STG DAY/TIME 8PM 2AM 8AM STG TIME DATE  
 
POTOMAC RIVER  
EDWARDS FERR 15.0 5.7 TUE 3 PM 6.1 6.3 7.0 20.4 8PM THU  
 

 
 
LAT...LON 3923 7744 3913 7745 3908 7730 3903 7736  
3905 7745 3911 7755 3920 7754  
 

 
 
DHOF  
 
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