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Severe Thunderstorm Watch 424
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WW0424 Radar
Hazard Tornadoes EF2+ Tornadoes
Likelihood Low Very Low
Severe Wind 65 kt+ Wind
Moderate Low
Severe Hail 2"+ Hail
Moderate 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.
   SEL4

   URGENT - IMMEDIATE BROADCAST REQUESTED
   Severe Thunderstorm Watch Number 424
   NWS Storm Prediction Center Norman OK
   110 PM EDT Thu Jul 20 2017

   The NWS Storm Prediction Center has issued a

   * Severe Thunderstorm Watch for portions of 
     Central New York
     Northeast Pennsylvania

   * Effective this Thursday afternoon and evening from 110 PM until
     800 PM EDT.

   * Primary threats include...
     Scattered damaging wind gusts to 70 mph possible
     Scattered large hail events to 1.5 inches in diameter possible
     A tornado or two possible

   SUMMARY...A cluster of intense thunderstorms near Buffalo will track
   across  the watch area this afternoon, posing a risk of damaging
   wind gusts and hail.  An isolated tornado or two will also be
   possible.

   The severe thunderstorm watch area is approximately along and 50
   statute miles north and south of a line from 50 miles southwest of
   Rochester NY to 25 miles north northeast of Monticello NY. For a
   complete depiction of the watch see the associated watch outline
   update (WOUS64 KWNS WOU4).

   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.

   &&

   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
   28035.

   ...Hart
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Page last modified: July 21, 2017
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