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Tornado Watch 133
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WW0133 Radar
Hazard Tornadoes EF2+ Tornadoes
Likelihood Moderate Low
Severe Wind 65 kt+ Wind
Moderate Low
Severe Hail 2"+ Hail
Very Low Very Low

Note:  The expiration time in the watch graphic is amended if the watch is replaced, cancelled or extended.
Note: Click for Watch Status Reports.
   SEL3
   
   URGENT - IMMEDIATE BROADCAST REQUESTED
   TORNADO WATCH NUMBER 133
   NWS STORM PREDICTION CENTER NORMAN OK
   355 PM EDT FRI APR 19 2013
   
   THE NWS STORM PREDICTION CENTER HAS ISSUED A
   
   * TORNADO WATCH FOR PORTIONS OF 
     SOUTHEAST NEW YORK
     CENTRAL AND EASTERN PENNSYLVANIA
   
   * EFFECTIVE THIS FRIDAY AFTERNOON AND EVENING FROM 355 PM UNTIL
     1100 PM EDT.
   
   * PRIMARY THREATS INCLUDE...
     SEVERAL TORNADOES POSSIBLE
     SEVERAL DAMAGING WIND GUSTS TO 70 MPH POSSIBLE
   
   THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 70 STATUTE
   MILES EAST AND WEST OF A LINE FROM 35 MILES SOUTH SOUTHWEST OF
   HARRISBURG PENNSYLVANIA TO 50 MILES NORTH NORTHWEST OF
   WILKESBARRE PENNSYLVANIA.  FOR A COMPLETE DEPICTION OF THE WATCH
   SEE THE ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU3).
   
   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 129...WW 130...WW
   131...WW 132...
   
   DISCUSSION...A STRONGLY FORCED CONVECTIVE BAND WITH EMBEDDED TSTMS
   IS CURRENTLY EVOLVING ALONG THE SYNOPTIC COLD FRONT OVER CNTRL PA. 
   THE DOWNSTREAM AIR MASS ACROSS ERN PA SHOULD CONTINUE TO
   WARM/MOISTEN LATE THIS AFTERNOON WITH MLCAPE VALUES RISING TO
   250-500 J/KG.  WHEN COUPLED WITH INTENSIFYING DEEP-LAYER
   ASCENT...EXPECT FURTHER STRENGTHENING OF THE CONVECTIVE BAND AMIDST
   A STRONGLY SHEARED ENVIRONMENT.  AS SUCH...THE POTENTIAL WILL EXIST
   FOR EMBEDDED SUPERCELL AND/OR LEWP STRUCTURES CAPABLE OF DAMAGING
   WINDS AND MESO-VORTICES/TORNADOES.
   
   AVIATION...TORNADOES AND 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 23045.
   
   
   ...MEAD
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Page last modified: April 20, 2013
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