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Tornado Watch 24
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WW0024 Radar
Hazard Tornadoes EF2+ Tornadoes
Likelihood Moderate Low
Severe Wind 65 kt+ Wind
Moderate Low
Severe Hail 2"+ Hail
Moderate Moderate

Note:  The expiration time in the watch graphic is amended if the watch is replaced, cancelled or extended.
Note: Click for Watch Status Reports.
   SEL4
   
   URGENT - IMMEDIATE BROADCAST REQUESTED
   TORNADO WATCH NUMBER 24
   NWS STORM PREDICTION CENTER NORMAN OK
   630 PM EST WED JAN 30 2013
   
   THE NWS STORM PREDICTION CENTER HAS ISSUED A
   TORNADO WATCH FOR PORTIONS OF 
   
          DISTRICT OF COLUMBIA
          CENTRAL AND SOUTHERN MARYLAND
          CENTRAL AND NORTHERN VIRGINIA
          COASTAL WATERS
   
   EFFECTIVE THIS WEDNESDAY NIGHT AND THURSDAY MORNING FROM 630 PM
   UNTIL 200 AM EST.
   
   TORNADOES...HAIL TO 0.5 INCH IN DIAMETER...THUNDERSTORM WIND
   GUSTS TO 75 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE
   AREAS.
   
   THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 50 STATUTE
   MILES EAST AND WEST OF A LINE FROM 35 MILES NORTH OF BALTIMORE
   MARYLAND TO 45 MILES WEST OF RICHMOND VIRGINIA.  FOR A COMPLETE
   DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE UPDATE
   (WOUS64 KWNS WOU4).
   
   REMEMBER...A TORNADO WATCH MEANS CONDITIONS ARE FAVORABLE FOR
   TORNADOES AND SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH
   AREA. PERSONS IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR
   THREATENING WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS
   AND POSSIBLE WARNINGS.
   
   OTHER WATCH INFORMATION...CONTINUE...WW 21...WW 22...WW 23...
   
   DISCUSSION...PRE-FRONTAL SQLN WITH EMBEDDED SUSTAINED STORMS/LEWPS
   NOW NEAR CHARLOTTESVILLE VA EXPECTED TO MOVE RAPIDLY NEWD AHEAD OF
   EJECTING SHORTWAVE TROUGH NOW OVER THE LWR TN VLY. SUFFICIENT
   BUOYANCY LIKELY WILL REMAIN PRESENT TO MAINTAIN STRENGTH OF PRESENT
   ACTIVITY...WITH SOME INTENSIFICATION POSSIBLE A BIT LATER AS
   SHORTWAVE IMPULSE DRAWS CLOSER TO SQLN/AXIS OF LOW-LVL ASCENT.
   SHALLOW WSW-ENE BOUNDARY LEFT BY EARLIER WAVE OF STORMS IN THE
   BALTIMORE AREA EXPECTED TO EDGE SLIGHTLY NWD THROUGH THE
   EVE...THEREBY EXTENDING THE THREAT SOMEWHAT NWD ACROSS THE UPR
   CHESAPEAKE BAY INTO AREA NOW BLANKETED BY SHALLOW LAYER OF COOL AIR.
   
   ADDITIONAL STORMS MAY MOVE INTO S CNTRL/SE VA LATER TNGT AS STORMS
   MOVE/ACCELERATE ENE FROM NC. THIS AREA MAY REQUIRE A SEPARATE WW
   LATER IN THE EVE.
   
   AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
   SURFACE AND ALOFT TO 0.5 INCH. EXTREME TURBULENCE AND SURFACE
   WIND GUSTS TO 65 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO
   350. MEAN STORM MOTION VECTOR 22055.
   
   
   ...CORFIDI
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Page last modified: January 31, 2013
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