Tornado Watch & Flash Flood Watch

[ture....@dot.gov]

Tornado Watch # 313 has been issued for all of Vermont until 9:00 pm this evening the main threats are large hail and strong winds but a tornado can’t be ruled out.   Also a Flash Flood Watch is in effect through this evening. 

 

URGENT - IMMEDIATE BROADCAST REQUESTED

   TORNADO WATCH NUMBER 313

   NWS STORM PREDICTION CENTER NORMAN OK

   1230 PM EDT TUE MAY 29 2012

   THE NWS STORM PREDICTION CENTER HAS ISSUED A

   TORNADO WATCH FOR PORTIONS OF 

          EXTREME WESTERN MASSACHUSETTS

          EASTERN NEW YORK

          VERMONT

   EFFECTIVE THIS TUESDAY AFTERNOON AND EVENING FROM 1230 PM UNTIL

   900 PM EDT.

   TORNADOES...HAIL TO 2 INCHES IN DIAMETER...THUNDERSTORM WIND

   GUSTS TO 70 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE

   AREAS.

   THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 55 STATUTE

   MILES EAST AND WEST OF A LINE FROM 40 MILES SOUTH OF GLENS FALLS

   NEW YORK TO 40 MILES NORTH NORTHWEST OF BURLINGTON VERMONT.  FOR

   A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH

   OUTLINE UPDATE (WOUS64 KWNS WOU3).

   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 312...

   DISCUSSION...STORMS ARE EXPECTED TO DEVELOP WITHIN AN ENHANCED

   CU/TCU FIELD WITHIN THE NEXT 1-2 HRS...AND CONTINUED HEATING OCCURS

   AND LARGE SCALE ASCENT APPROACHES FROM THE WEST.  A VERY UNSTABLE

   ENVIRONMENT WITH MUCAPE OF 2000-3000 J/KG AND 30-40 KT DEEP LAYER

   SHEAR WILL PROMOTE SEVERE STORMS INCLUDING A FEW SUPERCELLS WITH

   POTENTIAL TO PRODUCE LARGE HAIL AND DAMAGING WINDS.  SOUTHERLY LOW

   LEVEL WINDS OVER THE HUDSON VALLEY AND EAST INTO VT WILL ALSO

   ENHANCE LOW LEVEL SHEAR SUGGESTING THREAT FOR A FEW TORNADOES THIS

   AFTERNOON.

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

   SURFACE AND ALOFT TO 2 INCHES. EXTREME TURBULENCE AND SURFACE

   WIND GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO

   500. MEAN STORM MOTION VECTOR 24030.