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Severe Thunderstorm Watch 250
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WW0250 Radar
Hazard Tornadoes EF2+ Tornadoes
Likelihood Very 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.
   SEL0

   URGENT - IMMEDIATE BROADCAST REQUESTED
   Severe Thunderstorm Watch Number 250
   NWS Storm Prediction Center Norman OK
   230 PM EDT Thu Jun 4 2020

   The NWS Storm Prediction Center has issued a

   * Severe Thunderstorm Watch for portions of 
     District Of Columbia
     Western and central Maryland
     Central Pennsylvania
     Northern Virginia
     Eastern West Virginia Panhandle
     Coastal Waters

   * Effective this Thursday afternoon and evening from 230 PM until
     1000 PM EDT.

   * Primary threats include...
     Scattered damaging wind gusts to 65 mph possible
     Isolated large hail events to 1.5 inches in diameter possible

   SUMMARY...Initially discrete cells with transient supercell
   structures should develop into multiple clusters through the
   afternoon into this evening. Scattered damaging winds will be the
   main threat, but isolated severe hail is possible as well,
   especially this afternoon.

   The severe thunderstorm watch area is approximately along and 70
   statute miles east and west of a line from 45 miles northeast of
   State College PA to 75 miles south southwest of Martinsburg WV. For
   a complete depiction of the watch see the associated watch outline
   update (WOUS64 KWNS WOU0).

   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.

   &&

   OTHER WATCH INFORMATION...CONTINUE...WW 249...

   AVIATION...A few severe thunderstorms with hail surface and aloft to
   1.5 inches. Extreme turbulence and surface wind gusts to 55 knots. A
   few cumulonimbi with maximum tops to 450. Mean storm motion vector
   24030.

   ...Grams
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