

188 

WWUS20 KWNS 122228

SEL1

SPC WW 122228

MDZ000-OHZ000-PAZ000-WVZ000-130400-



URGENT - IMMEDIATE BROADCAST REQUESTED

TORNADO WATCH NUMBER 301

NWS STORM PREDICTION CENTER NORMAN OK

630 PM EDT WED JUN 12 2013



THE NWS STORM PREDICTION CENTER HAS ISSUED A



* TORNADO WATCH FOR PORTIONS OF

  WESTERN MARYLAND

  CENTRAL AND EASTERN OHIO

  SOUTHWEST PENNSYLVANIA

  NORTHERN WEST VIRGINIA



* EFFECTIVE THIS WEDNESDAY NIGHT FROM 630 PM UNTIL MIDNIGHT EDT.



* PRIMARY THREATS INCLUDE...

  SEVERAL TORNADOES WITH A FEW INTENSE TORNADOES POSSIBLE

  SEVERAL SIGNIFICANT DAMAGING WIND GUSTS TO 80 MPH POSSIBLE

  SEVERAL VERY LARGE HAIL EVENTS TO 2 INCHES IN DIAMETER POSSIBLE



THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 60 STATUTE

MILES NORTH AND SOUTH OF A LINE FROM 40 MILES WEST SOUTHWEST OF

MANSFIELD OHIO TO 25 MILES EAST OF MORGANTOWN WEST VIRGINIA.  FOR

A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH

OUTLINE UPDATE (WOUS64 KWNS WOU1).



PRECAUTIONARY/PREPAREDNESS ACTIONS...



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 298...WW 299...WW 300...



DISCUSSION...THUNDERSTORMS ARE INTENSIFYING OVER CENTRAL OH ALONG A

WEAK WARM FRONT.  THESE STORMS MAY BECOME DISCRETE SUPERCELLS

CAPABLE OF LARGE HAIL..DAMAGING WINDS...AND ISOLATED TORNADOES

THROUGH THE EVENING.  21Z ILN SOUNDING VERIFIED VERY STRONG

INSTABILITY AND SHEAR PARAMETERS ARE IN PLACE...AND WILL ONLY

STRENGTHEN AS THE LOW LEVEL JET INTENSIFIES THIS EVENING.



AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL

SURFACE AND ALOFT TO 2 INCHES. EXTREME TURBULENCE AND SURFACE

WIND GUSTS TO 70 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO

500. MEAN STORM MOTION VECTOR 28035.





...HART

