

935 

WWUS20 KWNS 091925

SEL4

SPC WW 091925

MDZ000-NCZ000-VAZ000-WVZ000-100100-



URGENT - IMMEDIATE BROADCAST REQUESTED

SEVERE THUNDERSTORM WATCH NUMBER 484

NWS STORM PREDICTION CENTER NORMAN OK

320 PM EDT MON JUL 9 2012



THE NWS STORM PREDICTION CENTER HAS ISSUED A

SEVERE THUNDERSTORM WATCH FOR PORTIONS OF



       MARYLAND

       NORTHWEST NORTH CAROLINA

       SOUTHWEST AND SOUTH CENTRAL VIRGINIA

       EXTREME SOUTHEAST WEST VIRGINIA



EFFECTIVE THIS MONDAY AFTERNOON AND EVENING FROM 320 PM UNTIL 900

PM EDT.



HAIL TO 1.5 INCHES 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 70

STATUTE MILES EAST AND WEST OF A LINE FROM 35 MILES NORTH

NORTHWEST OF LYNCHBURG VIRGINIA TO 60 MILES WEST SOUTHWEST OF

DANVILLE VIRGINIA.  FOR A COMPLETE DEPICTION OF THE WATCH SEE THE

ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU4).



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 483...



DISCUSSION...STORMS ARE EXPECTED TO INCREASE OVER SWRN VA THIS

AFTERNOON WITHIN A MODERATELY UNSTABLE ENVIRONMENT WITH MLCAPE OF

1500-2000 J/KG.  WESTERLY MID LEVEL WINDS OF 20-30 KTS WILL PROMOTE

ORGANIZED MULTICELL STORMS AND SHORT LINE SEGMENTS...WITH POTENTIAL

TO PRODUCE PRIMARILY DAMAGING WIND GUSTS.



AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT

TO 1.5 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60

KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500. MEAN STORM

MOTION VECTOR 27020.





...WEISS



766 

WWUS20 KWNS 091925

SEL4

SPC WW 091925

NCZ000-VAZ000-WVZ000-100100-



URGENT - IMMEDIATE BROADCAST REQUESTED

SEVERE THUNDERSTORM WATCH NUMBER 484...RESENT

NWS STORM PREDICTION CENTER NORMAN OK

320 PM EDT MON JUL 9 2012



THE NWS STORM PREDICTION CENTER HAS ISSUED A

SEVERE THUNDERSTORM WATCH FOR PORTIONS OF



       NORTHWEST NORTH CAROLINA

       SOUTHWEST AND SOUTH CENTRAL VIRGINIA

       EXTREME SOUTHEAST WEST VIRGINIA



EFFECTIVE THIS MONDAY AFTERNOON AND EVENING FROM 320 PM UNTIL 900

PM EDT.



HAIL TO 1.5 INCHES 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 70

STATUTE MILES EAST AND WEST OF A LINE FROM 35 MILES NORTH

NORTHWEST OF LYNCHBURG VIRGINIA TO 60 MILES WEST SOUTHWEST OF

DANVILLE VIRGINIA.  FOR A COMPLETE DEPICTION OF THE WATCH SEE THE

ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU4).



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 483...



DISCUSSION...STORMS ARE EXPECTED TO INCREASE OVER SWRN VA THIS

AFTERNOON WITHIN A MODERATELY UNSTABLE ENVIRONMENT WITH MLCAPE OF

1500-2000 J/KG.  WESTERLY MID LEVEL WINDS OF 20-30 KTS WILL PROMOTE

ORGANIZED MULTICELL STORMS AND SHORT LINE SEGMENTS...WITH POTENTIAL

TO PRODUCE PRIMARILY DAMAGING WIND GUSTS.



AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT

TO 1.5 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60

KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500. MEAN STORM

MOTION VECTOR 27020.





...WEISS

