for any railfans that may be out in the area... !!! When thunder roars, get indoors! URGENT - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WATCH NUMBER 355 NWS STORM PREDICTION CENTER NORMAN OK 245 PM EDT MON JUN 24 2013 THE NWS STORM PREDICTION CENTER HAS ISSUED A * SEVERE THUNDERSTORM WATCH FOR PORTIONS OF DISTRICT OF COLUMBIA DELAWARE CENTRAL AND EASTERN MARYLAND NEW JERSEY EASTERN PENNSYLVANIA NORTHERN VIRGINIA COASTAL WATERS * EFFECTIVE THIS MONDAY AFTERNOON AND EVENING FROM 245 PM UNTIL 1000 PM EDT. * PRIMARY THREATS INCLUDE... NUMEROUS DAMAGING WIND GUSTS TO 70 MPH LIKELY SEVERAL LARGE HAIL EVENTS WITH A FEW VERY LARGE HAIL EVENTS TO 2 INCHES IN DIAMETER POSSIBLE THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 85 STATUTE MILES EAST AND WEST OF A LINE FROM 35 MILES NORTHEAST OF TRENTON NEW JERSEY TO 35 MILES SOUTHEAST OF WASHINGTON DISTRICT OF COLUM. FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU5). 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 354... DISCUSSION...THUNDERSTORM ACTIVITY NOW DEVELOPING ALONG AND TO THE EAST OF THE NORTH CENTRAL APPALACHIANS APPEARS INCREASINGLY LIKELY TO CONGEAL ...WITH CONSOLIDATING SURFACE COLD POOLS...AS IT DEVELOPS EASTWARD INTO A VERY WARM AND MOIST ENVIRONMENT ACROSS THE COASTAL PLAIN. LARGE CAPE WILL MAINTAIN INTENSE UPDRAFTS WITH THE RISK FOR SEVERE HAIL...AND THE RISK FOR POTENTIALLY DAMAGING WIND GUSTS WILL INCREASE AS UPSCALE GROWTH PROCEEDS. spc.noaa.gov/products/watch/ww0355_overview_big_wou.gif
Posted on: Mon, 24 Jun 2013 19:49:35 +0000
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