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058 WWUS9 KMKC 191904 SEL0 MKC WW 191859 PAZ000-WVZ000-200000- URGENT - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WATCH NUMBER 680 STORM PREDICTION CENTER NORMAN OK 259 PM EDT SUN AUG 19 2001 THE STORM PREDICTION CENTER HAS ISSUED A SEVERE THUNDERSTORM WATCH FOR PORTIONS OF WESTERN AND CENTRAL PENNSYLVANIA THE NORTHERN WEST VIRGINIA PANHANDLE EFFECTIVE THIS SUNDAY AFTERNOON AND EVENING FROM 315 PM UNTIL 800 PM EDT. HAIL TO 2 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS TO 70 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS. THE SEVERE THUNDERSTORM WATCH AREA IS ALONG AND 70 STATUTE MILES EAST AND WEST OF A LINE FROM 40 MILES SOUTH OF LATROBE PENNSYLVANIA TO 15 MILES NORTHWEST OF BRADFORD PENNSYLVANIA. 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. DISCUSSION...THUNDERSTORMS ARE EXPECTED TO INTENSIFY ALONG THE COLD FRONT AND SEVERAL WEAK PRE-FRONTAL BOUNDARIES DURING THE NEXT FEW HOURS. MODERATE SURFACE-BASED INSTABILITY AND 30-40 KT OF LOW-MID LEVEL SPEED SHEAR WILL SUPPORT A THREAT OF DAMAGING WINDS AND LARGE HAIL WITH THE STRONGEST STORMS. AVIATION...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 450. MEAN STORM MOTION VECTOR 24030. ...THOMPSON ;415,0772 394,0780 394,0804 415,0801;
270 WWUS9 KMKC 192200 SEL2 MKC WW 192155 NYZ000-PAZ000-200200- URGENT - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WATCH NUMBER 682 STORM PREDICTION CENTER NORMAN OK 555 PM EDT SUN AUG 19 2001 THE STORM PREDICTION CENTER HAS ISSUED A SEVERE THUNDERSTORM WATCH FOR PORTIONS OF SOUTH CENTRAL NEW YORK CENTRAL AND NORTHEAST PENNSYLVANIA EFFECTIVE THIS SUNDAY AFTERNOON AND EVENING FROM 615 PM UNTIL 1000 PM EDT. HAIL TO 2 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS TO 70 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS. THE SEVERE THUNDERSTORM WATCH AREA IS ALONG AND 50 STATUTE MILES EAST AND WEST OF A LINE FROM 60 MILES SOUTH OF WILLIAMSPORT PENNSYLVANIA TO 5 MILES NORTHWEST OF ITHACA NEW YORK. 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 681... DISCUSSION...LINE OF INCREASING THUNDERSTORMS OVER CENTRAL PA IS EXPECTED TO TRACK NORTHEASTWARD...EVENTUALLY MOVING INTO SOUTHERN NY. DESPITE ONLY MARGINALLY FAVORABLE THERMODYNAMIC PROFILES... STRONG MID LEVEL WINDS AND DRY AIR ALOFT WILL AID PRODUCTION OF STRONG/DAMAGING WINDS WITH LINE. AVIATION...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. ...HART ;423,0753 402,0755 402,0775 423,0773;
WWUS61 KCTP 192208 SLSPA BULLETIN - IMMEDIATE BROADCAST REQUESTED PENNSYLVANIA AREAL OUTLINE FOR SEVERE THUNDERSTORM WATCH NUMBER 682 NATIONAL WEATHER SERVICE STATE COLLEGE PA 607 PM EDT SUN AUG 19 2001 PAC015-037-069-079-081-093-097-109-113-115-117-119-131-200200- THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WATCH UNTIL 1000 PM EDT SUNDAY EVENING FOR THE FOLLOWING PENNSYLVANIA COUNTIES: BRADFORD COLUMBIA LACKAWANNA LUZERNE LYCOMING MONTOUR NORTHUMBERLAND SNYDER SULLIVAN SUSQUEHANNA TIOGA UNION WYOMING A SEVERE THUNDERSTORM WATCH MEANS THAT SEVERE THUNDERSTORMS ARE POSSIBLE IN AND CLOSE TO THE WATCH AREA...PRODUCING DAMAGING WINDS..LARGE HAIL..AND FREQUENT LIGHTNING. REMEMBER A SEVERE THUNDERSTORM WATCH MEANS CONDITIONS ARE FAVORABLE FOR SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH AREA. PEOPLE IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR THREATENING WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS AND POSSIBLE WARNINGS. $$ JUNG
WWUS61 KCTP 191908 SLSPA BULLETIN - IMMEDIATE BROADCAST REQUESTED PENNSYLVANIA AREAL OUTLINE FOR SEVERE THUNDERSTORM WATCH NUMBER 680 NATIONAL WEATHER SERVICE STATE COLLEGE PA 306 PM EDT SUN AUG 19 2001 PAC003-005-007-009-013-019-021-023-027-031-033-035-047-051-053-057- 059-061-063-065-073-083-085-087-105-111-121-123-125-129-200000- THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WATCH UNTIL 800 PM EDT SUNDAY EVENING FOR THE FOLLOWING PENNSYLVANIA COUNTIES: ALLEGHENY ARMSTRONG BEAVER BEDFORD BLAIR BUTLER CAMBRIA CAMERON CENTRE CLARION CLEARFIELD CLINTON ELK FAYETTE FOREST FULTON GREENE HUNTINGDON INDIANA JEFFERSON LAWRENCE MCKEAN MERCER MIFFLIN POTTER SOMERSET VENANGO WARREN WASHINGTON WESTMORELAND A SEVERE THUNDERSTORM WATCH MEANS THAT SEVERE THUNDERSTORMS ARE POSSIBLE IN AND CLOSE TO THE WATCH AREA...PRODUCING DAMAGING WINDS..LARGE HAIL..AND FREQUENT LIGHTNING. REMEMBER A SEVERE THUNDERSTORM WATCH MEANS CONDITIONS ARE FAVORABLE FOR SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH AREA. PEOPLE IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR THREATENING WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS AND POSSIBLE WARNINGS. $$ HEAD
