

904 

WWUS20 KWNS 181836

SEL5

SPC WW 181836

NCZ000-VAZ000-CWZ000-182300-



URGENT - IMMEDIATE BROADCAST REQUESTED

SEVERE THUNDERSTORM WATCH NUMBER 465

NWS STORM PREDICTION CENTER NORMAN OK

235 PM EDT MON AUG 18 2014



THE NWS STORM PREDICTION CENTER HAS ISSUED A



* SEVERE THUNDERSTORM WATCH FOR PORTIONS OF

  NORTHEAST NORTH CAROLINA

  SOUTHEAST VIRGINIA

  COASTAL WATERS



* EFFECTIVE THIS MONDAY AFTERNOON AND EVENING FROM 235 PM UNTIL

  700 PM EDT.



* PRIMARY THREATS INCLUDE...

  SCATTERED DAMAGING WIND GUSTS TO 70 MPH POSSIBLE

  ISOLATED LARGE HAIL EVENTS TO 1.5 INCHES IN DIAMETER POSSIBLE



THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 50

STATUTE MILES EITHER SIDE OF A LINE FROM 25 MILES NORTH OF

ROANOKE RAPIDS NORTH CAROLINA TO 35 MILES EAST SOUTHEAST OF

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

ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU5).



PRECAUTIONARY/PREPAREDNESS ACTIONS...



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.



&&



DISCUSSION...A SHORT LINE OF STORMS HAS EXHIBITED SMALL-SCALE BOWING

CHARACTERISTICS AS IT MOVES EWD ACROSS SERN VA.  THE LINE IS MOVING

THROUGH A MODERATELY UNSTABLE ENVIRONMENT WITH MLCAPE RANGING FROM

1500 J/KG IN SERN VA TO 2500 J/KG IN NERN NC.  ADDITIONAL

STRONG/SEVERE STORMS MAY DEVELOP IN ADVANCE OF THE LINE WITH THE

PRIMARY THREAT FOR DAMAGING WIND GUSTS...ALTHOUGH MARGINAL HAIL MAY

ALSO BE POSSIBLE.



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 27025.





...WEISS



810 

WWUS20 KWNS 181836

SEL5

SPC WW 181836

NCZ000-VAZ000-CWZ000-182300-



URGENT - IMMEDIATE BROADCAST REQUESTED

SEVERE THUNDERSTORM WATCH NUMBER 465

NWS STORM PREDICTION CENTER NORMAN OK

235 PM EDT MON AUG 18 2014



THE NWS STORM PREDICTION CENTER HAS ISSUED A



* SEVERE THUNDERSTORM WATCH FOR PORTIONS OF

  NORTHEAST NORTH CAROLINA

  SOUTHEAST VIRGINIA

  COASTAL WATERS



* EFFECTIVE THIS MONDAY AFTERNOON AND EVENING FROM 235 PM UNTIL

  700 PM EDT.



* PRIMARY THREATS INCLUDE...

  SCATTERED DAMAGING WIND GUSTS TO 70 MPH POSSIBLE

  ISOLATED LARGE HAIL EVENTS TO 1.5 INCHES IN DIAMETER POSSIBLE



THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 50

STATUTE MILES EITHER SIDE OF A LINE FROM 25 MILES NORTH OF

ROANOKE RAPIDS NORTH CAROLINA TO 35 MILES EAST SOUTHEAST OF

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

ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU5).



PRECAUTIONARY/PREPAREDNESS ACTIONS...



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.



&&



DISCUSSION...A SHORT LINE OF STORMS HAS EXHIBITED SMALL-SCALE BOWING

CHARACTERISTICS AS IT MOVES EWD ACROSS SERN VA.  THE LINE IS MOVING

THROUGH A MODERATELY UNSTABLE ENVIRONMENT WITH MLCAPE RANGING FROM

1500 J/KG IN SERN VA TO 2500 J/KG IN NERN NC.  ADDITIONAL

STRONG/SEVERE STORMS MAY DEVELOP IN ADVANCE OF THE LINE WITH THE

PRIMARY THREAT FOR DAMAGING WIND GUSTS...ALTHOUGH MARGINAL HAIL MAY

ALSO BE POSSIBLE.



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 27025.





...WEISS

