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Last update: 05.12.08 - Mon - 11:22:35 AM (EDT)
Current Watches, Warnings and Advisories for District of Columbia
Issued by the National Weather Service
This page contains watches, warnings and advisories that are in effect for District of Columbia. This file is usually updated about every two minutes.
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List of Active Alerts by County
District of Columbia
coastal flood advisory
flood warning
flood watch
Flood Warning
District of Columbia (District of Columbia)
FLOOD WARNING NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 517 AM EDT MON MAY 12 2008 DCC001-VAC013-059-510-600-610-121530- /X.EXT.KLWX.FA.W.0026.000000T0000Z-080512T1530Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ 517 AM EDT MON MAY 12 2008 THE NATIONAL WEATHER SERVICE IN STERLING VIRGINIA HAS EXTENDED THE * FLOOD WARNING FOR... DISTRICT OF COLUMBIA IN DISTRICT OF COLUMBIA ARLINGTON COUNTY IN NORTHERN VIRGINIA CITY OF ALEXANDRIA IN NORTHERN VIRGINIA CITY OF FAIRFAX IN NORTHERN VIRGINIA CITY OF FALLS CHURCH IN NORTHERN VIRGINIA FAIRFAX COUNTY IN NORTHERN VIRGINIA * UNTIL 1130 AM EDT * AT 517 AM EDT...OVER RAVENSWORTH...STATIONARY. FLOODING WAS REPORTED THROUGHOUT THE OVERNIGHT HOURS ALONG SECONDARY ROADS IN THESE CITIES AND COUNTIES. PORTIONS OF ROUTE 1 HAVE BEEN CLOSED AND DETOURS HAVE BEEN SET UP. RADAR INDICATES THAT 2 TO 4 INCHES OF RAIN HAS ALREADY FALLEN OVER THE WARNED AREA. ANOTHER INCH OF RAIN WILL BE POSSIBLE THROUGH 1130 AM EDT. SOME LOCATIONS THAT WILL CONTINUE TO BE AFFECTED BY THE HEAVY RAIN INCLUDE ALEXANDRIA...ANNANDALE...ARLINGTON...BURKE...CENTREVILLE... CHANTILLY...FORT BELVOIR...FRANCONIA...GREAT FALLS...HERNDON... LINCOLNIA...LORTON...MCLEAN...MERRIFIELD...RESTON...SPRINGFIELD... TYS ONS CORNER...VIENNA...GEORGETOWN...KENILWORTH AND WASHINGTON. A FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR HAS BEEN REPORTED. STREAM RISES WILL BE SLOW AND FLASH FLOODING IS NOT EXPECTED. HOWEVER...ALL INTERESTED PARTIES SHOULD TAKE NECESSARY PRECAUTIONS IMMEDIATELY. EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE ELEVATED LEVELS ON SMALL CREEKS AND STREAMS...AND PONDING OF WATER IN URBAN AREAS... HIGHWAYS...STREETS AND UNDERPASSES AS WELL AS OTHER POOR DRAINAGE AREAS AND LOW LYING SPOTS. DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS SAFELY. MOVE TO HIGHER GROUND. LAT...LON 3866 7721 3872 7733 3871 7738 3880 7745 3879 7749 3883 7753 3906 7733 3903 7725 3898 7724 3894 7712 3899 7704 3889 7691 3877 7705 3872 7705 3870 7710 3865 7713 3862 7719 $$ GMSIssuing Weather Forecast Office Homepage
Coastal Flood Advisory
District of Columbia (District of Columbia)
COASTAL HAZARD MESSAGE NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 603 AM EDT MON MAY 12 2008 DCZ001-MDZ013-016-VAZ052>055-121815- /O.CAN.KLWX.CF.W.0001.000000T0000Z-080512T1000Z/ /O.EXB.KLWX.CF.Y.0010.000000T0000Z-080512T2000Z/ DISTRICT OF COLUMBIA-PRINCE GEORGES-CHARLES- PRINCE WILLIAM/MANASSAS/MANASSAS PARK-FAIRFAX- ARLINGTON/FALLS CHURCH/ALEXANDRIA-STAFFORD- 603 AM EDT MON MAY 12 2008 ...COASTAL FLOOD ADVISORY IN EFFECT UNTIL 4 PM EDT THIS AFTERNOON... ...COASTAL FLOOD WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN BALTIMORE MD/WASHINGTON HAS ISSUED A COASTAL FLOOD ADVISORY...WHICH IS IN EFFECT UNTIL 4 PM EDT THIS AFTERNOON. THE COASTAL FLOOD WARNING HAS BEEN CANCELLED. TIDES WILL RUN ONE TO TWO FEET ABOVE NORMAL FOR THIS MORNING AND THIS AFTERNOONS HIGH TIDE CYCLE. HIGH TIDES ALONG THE POTOMAC RIVER... WASHINGTON DC KEY BRIDGE...3:21 PM... ALEXANDRIA...3:14 PM... INDIAN HEAD...2:42... WICOMICO RIVER NEAR COBB ISLAND...6:49 AM LEONARDTOWN...9:06 AM... A COASTAL FLOOD ADVISORY INDICATES THAT ONSHORE WINDS AND TIDES WILL COMBINE TO GENERATE FLOODING OF LOW AREAS ALONG THE SHORE. $$Issuing Weather Forecast Office Homepage
Flood Watch
District of Columbia (District of Columbia)
FLOOD WATCH NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 1102 AM EDT MON MAY 12 2008 DCZ001-MDZ003>007-009>011-013-014-016>018-VAZ031-040>042-051>055- WVZ052-053-121800- /O.CON.KLWX.FA.A.0005.000000T0000Z-080512T1800Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ DISTRICT OF COLUMBIA-WASHINGTON-FREDERICK MD-CARROLL- NORTHERN BALTIMORE-HARFORD-MONTGOMERY-HOWARD-SOUTHERN BALTIMORE- PRINCE GEORGES-ANNE ARUNDEL-CHARLES-ST. MARYS-CALVERT-CLARKE- RAPPAHANNOCK-FAUQUIER-LOUDOUN-CULPEPER- PRINCE WILLIAM/MANASSAS/MANASSAS PARK-FAIRFAX- ARLINGTON/FALLS CHURCH/ALEXANDRIA-STAFFORD-BERKELEY-JEFFERSON- INCLUDING THE CITIES OF...WASHINGTON...HAGERSTOWN...FREDERICK... WESTMINSTER...GAITHERSBURG...COLUMBIA...BALTIMORE...ANNAPOLIS... WALDORF...ST MARYS CITY...LEESBURG...CULPEPER...MANASSAS... MANASSAS PARK...FAIRFAX...ALEXANDRIA...FALLS CHURCH... MARTINSBURG...CHARLES TOWN 1102 AM EDT MON MAY 12 2008 ...FLOOD WATCH REMAINS IN EFFECT UNTIL 2 PM EDT THIS AFTERNOON... THE FLOOD WATCH CONTINUES FOR * PORTIONS OF MARYLAND...THE DISTRICT OF COLUMBIA...VIRGINIA AND NORTHEAST WEST VIRGINIA...INCLUDING THE FOLLOWING AREAS...IN MARYLAND...ANNE ARUNDEL...CALVERT...CARROLL...CHARLES... FREDERICK MD...HARFORD...HOWARD...MONTGOMERY...NORTHERN BALTIMORE...PRINCE GEORGES...SOUTHERN BALTIMORE...ST. MARYS AND WASHINGTON. THE DISTRICT OF COLUMBIA. IN VIRGINIA... ARLINGTON/FALLS CHURCH/ALEXANDRIA...CLARKE...CULPEPER... FAIRFAX...FAUQUIER...LOUDOUN...PRINCE WILLIAM/MANASSAS/MANASSAS PARK...RAPPAHANNOCK AND STAFFORD. IN NORTHEAST WEST VIRGINIA...BERKELEY AND JEFFERSON. * UNTIL 2 PM EDT THIS AFTERNOON * RAIN WILL TAPER OFF FROM THE WEST TO EAST THIS AFTERNOON. ADDITIONAL RAINFALL AMOUNTS WILL BE LESS THAN AN INCH. * NUMEROUS REPORTS OF FLOODED STREAMS...CREEKS...URBAN...AND LOW LYING AREAS HAVE BEEN RECEIVED. THESE AREAS WILL REMAIN FLOODED UNTIL THE RAIN ENDS. REFER TO FLOOD WARNING FOR DETAILS. ADDITIONAL FLOODING WILL BE POSSIBLE IN AREAS OF MODERATE TO HEAVY RAIN. AS THE WATER WORKS ITS WAY INTO THE RIVERS...RIVER FLOODING WILL BE POSSIBLE IN THE UPPER POTOMAC AND SHENANDOAH BASINS. A FLOOD WATCH MEANS THERE IS A POTENTIAL FOR FLOODING BASED ON CURRENT FORECASTS. YOU SHOULD MONITOR LATER FORECASTS AND BE ALERT FOR POSSIBLE FLOOD WARNINGS. THOSE LIVING IN AREAS PRONE TO FLOODING SHOULD BE PREPARED TO TAKE ACTION SHOULD FLOODING DEVELOP. MOTORISTS SHOULD TAKE EXTRA CAUTION WHILE DRIVING NEAR FLOODED AREAS AT NIGHT. $$ HTSIssuing Weather Forecast Office Homepage
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