Compact News: NOAA's National Weather Service SPC Tornado/Severe Thunderstorm Watches Update

Tuesday, November 16, 2010

NOAA's National Weather Service SPC Tornado/Severe Thunderstorm Watches Update

SPC Severe Thunderstorm Watch 742
Tue, 16 Nov 2010 23:06:03 -0600

URGENT - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WATCH NUMBER 742 NWS STORM PREDICTION CENTER NORMAN OK 1205 AM EST WED NOV 17 2010 THE NWS STORM PREDICTION CENTER HAS ISSUED A SEVERE THUNDERSTORM WATCH FOR PORTIONS OF DISTRICT OF COLUMBIA DELAWARE CENTRAL AND EASTERN MARYLAND SOUTHEAST PENNSYLVANIA NORTHEAST VIRGINIA COASTAL WATERS EFFECTIVE THIS WEDNESDAY MORNING FROM 1205 AM UNTIL 400 AM EST. HAIL TO 0.5 INCH IN DIAMETER...THUNDERSTORM WIND GUSTS TO 70 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS. THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 55 STATUTE MILES EAST AND WEST OF A LINE FROM 40 MILES WEST NORTHWEST OF WILMINGTON DELAWARE TO 25 MILES WEST SOUTHWEST OF PATUXENT RIVER MARYLAND. FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU2). REMEMBER...A SEVERE THUNDERSTORM WATCH MEANS CONDITIONS ARE FAVORABLE FOR 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. SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES. OTHER WATCH INFORMATION...CONTINUE...WW 741... DISCUSSION...INCREASING LINE OF THUNDERSTORMS OVER VA/MD/CENTRAL PA WILL TRACK RAPIDLY EASTWARD DURING THE NEXT FEW HOURS. INSTABILITY IS VERY WEAK...BUT APPEARS SUFFICIENT FOR THE RISK OF DAMAGING WINDS ALONG THE LEADING EDGE OF THE CONVECTION. AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT TO 0.5 INCH. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 350. MEAN STORM MOTION VECTOR 24040. ...HART

SPC Severe Thunderstorm Watch 742 Status Reports
Tue, 16 Nov 2010 23:05:12 -0600

  STATUS FOR WATCH 0742 HAS NOT BEEN ISSUED YET

SPC Tornado Watch 741 Status Reports
Tue, 16 Nov 2010 22:46:05 -0600

  STATUS REPORT ON WW 741  SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 10 S CAE TO 20 SW RDU TO 30 N RDU TO 30 E LYH TO 25 ENE CHO.  FOR ADDITIONAL INFORMATION SEE SPC MESOSCALE DISCUSSION 2049.  ..EDWARDS..11/17/10  ATTN...WFO...RAH...GSP...RNK...ILM...CAE...LWX...AKQ...   STATUS REPORT FOR WT 741   SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS   NCC015-037-051-063-065-069-073-077-083-085-091-093-101-105-125- 127-131-153-155-163-165-181-183-185-191-195-170540-  NC  .    NORTH CAROLINA COUNTIES INCLUDED ARE  BERTIE               CHATHAM             CUMBERLAND           DURHAM               EDGECOMBE           FRANKLIN             GATES                GRANVILLE           HALIFAX              HARNETT              HERTFORD            HOKE                 JOHNSTON             LEE                 MOORE                NASH                 NORTHAMPTON         RICHMOND             ROBESON              SAMPSON             SCOTLAND             VANCE                WAKE                WARREN               WAYNE                WILSON                 SCC025-031-033-055-061-069-085-170540-  SC  .    SOUTH CAROLINA COUNTIES INCLUDED ARE  CHESTERFIELD         DARLINGTON          DILLON

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