Severe Thunderstorm Warning 116, NWS Pittsburgh, PA

PAZ001>006-013>015-WVZ001-062300-

SPECIAL WEATHER STATEMENT AND WEATHER RADAR SUMMARY
NATIONAL WEATHER SERVICE PITTSBURGH PA
335 PM EDT FRI SEP 6 1990

...SEVERE THUNDERSTORM WARNINGS FOR ERIE AND CRAWFORD COUNTIES UNTIL
   415 PM...
...SEVERE THUNDERSTORM WATCH IN EFFECT UNTIL 800 PM...

AT 335 PM WEATHER RADAR SHOWED SEVERE THUNDERSTORMS OVER NORTHWESTERN
PENNSYLVANIA AND NORTHEASTERN OHIO. THE STORMS EXTENDED FROM NEAR ERIE
PENNSYLVANIA...TO NEAR AKRON OHIO.

THE SEVERE STORMS IN PENNSYLVANIA WERE NEAR ERIE...ALBION...LINESVILLE
AND THE PYMATUNING RESERVOIR.  EXPECT DAMAGING WINDS...VERY HEAVY
DOWNPOURS...DANGEROUS LIGHTNING...AND LARGE HAIL AS THESE STORMS MOVE
THROUGH BETWEEN NOW AND 415 PM.

IF YOU ARE BOATING AND SEE SKIES DARKEN...MOVE TO SHORE AT ONCE.

A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR MUCH WESTERN PENNSYLVANIA
AND THE NORTHERN PANHANDLE OF WEST VIRGINIA UNTIL 800 PM THIS EVENING.

THE THUNDERSTORMS WILL REACH THE BEAVER FALLS...MORAINE STATE PARK AND
KNOX AREAS BEWTEEN 500 PM AND 530 PM.

MOTORISTS ON INTERSTATE 79 AND 90 NEAR ERIE AND MEADVILLE CAN EXPECT
VERY HEAVY RAINS AND STRONG GUSTY WINDS AS THESE STORMS MOVE THROUGH.

THE THUNDERSTORMS SHOULD REACH THE PITTSBURGH...WHEELING AND BUTLER
AREAS BETWEEN 600 PM AND 630 PM.

THE SEVERE THUNDERSTORM WATCH INCLUDES THE FOLLOWING 12 COUNTIES IN
WESTERN PENNSYLVANIA...

ALLEGHENY...BEAVER...BUTLER...CRAWFORD...ERIE...FAYETTE...GREENE...
LAWRENCE...MERCER...VENANGO...WASHINGTON...WESTMORELAND

AND THE FOLLOWING 4 COUNTIES IN THE NORTHERN WEST VIRGINIA
PANHANDLE...

BROOKE...HANCOCK...MARSHALL...OHIO

A SEVERE THUNDERSTORM WATCH MEANS SEVERE THUNDERSTORMS ARE POSSIBLE IN
AND NEAR THCE WATCH AREA...WHILE A WARNING MEANS SEVERE WEATHER IS OR
WILL OCCUR.  LISTEN FOR LATER STATEMENTS AND POSSIBLE WARNINGS.  IF
THREATING APPROACHES SEEK SHELTER IMMEDIATELY.

PALKO/HIGGINS

PAZ001>006-013>015-WVZ001-062200-

SPECIAL WEATHER STATEMENT AND WEATHER RADAR SUMMARY
NATIONAL WEATHER SERVICE PITTSBURGH PA
435 PM EDT THU SEP 6 1990

...SEVERE THUNDERSTORM WATCH IN EFFECT UNTIL 800 PM FOR MUCH
OF WESTERN PENNSYLVANIA AND THE NORTHERN PANHANDLE OF WEST VIRGINIA...

AT 430 PM PITTSBURGH WEATHER RADAR SHOWED A LINE OF THUNDERSTORMS
EXTENDING FROM WARREN COUNTY PENNSYLVANIA TO CARROLL COUNTY OHIO.
SEVERAL SEVERE THUNDERSTORMS WARNINGS HAVE BEEN ISSUED IN
NORTHWEST PENNSYLVANIA AND A TORNADO WARNING WAS ISSUED IN NORTHEAST
OHIO.

THE LINE OF SEVERE THUNDERSTORMS IS MOVING SOUTHEAST AT 25 MPH.
AT THE PRESENT MOVEMENT THE STORMS WILL PASS THROUGH ALLEGHENY
COUNTY...CITY OF PITTSBURGH...BETWEEN 6 AND 7 PM.

THIS IS A VERY SERIOUS WEATHER SITUATION. THESE STORMS WILL
PRODUCE HIGH GUSTY WINDS...LARGE HAIL...DANGEROUS LIGHTNING AND
1 TO 2 INCHES OF RAIN IS POSSIBLE IN LESS THAN AN HOUR.
THESE STORMS COULD ALSO PRODUCE A TORNADO.

ALL THOSE OUTDOORS SHOULD MOVE INSIDE AND REMEMBER NEVER EVER
DRIVE THOUGH FLOODED ROADWAYS. BOATERS...GET OFF THE WATER.

PAZ001>006-013>015-WVZ001-070000-

SPECIAL WEATHER STATEMENT AND WEATHER RADAR SUMMARY
NATIONAL WEATHER SERVICE PITTSBURGH PA
535 PM EDT THU SEP 6 1990

...SEVERE THUNDERSTORM COMING THROUGH PITTSBURGH AREA TIL 630 PM...

...SEVERE THUNDERSTORM WATCHES IN EFFECT UNTIL 1100 PM FOR MUCH
OF WESTERN PENNSYLVANIA AND THE NORTHERN PANHANDLE OF WEST VIRGINIA...

IF YOU ARE IN THE PITTSBURGH AREA...TAKE COVER...INCLUDING THOSE AT
THREE RIVERS STADIUM DOWNTOWN.  DAMAGING WIND...DEADLY LIGHTNING...
TORRENTIAL DOWNPOURS AND LARGE HAIL WILL BE OCCURRING.  MOTORISTS
SHOULD PULL OVER IN LOW VISIBILITY AND TAKE COVER IF HIGH WINDS
THREATEN.  HEAVY DOWNPOURS CAN CAUSE RAPID FLOODING WHERE DRAINAGE
IS POOR.

PAZ001>006-013>015-WVZ001-070000-

SPECIAL WEATHER STATEMENT AND WEATHER RADAR SUMMARY
NATIONAL WEATHER SERVICE PITTSBURGH PA
535 PM EDT THU SEP 6 1990

...SEVERE THUNDERSTORM COMING THROUGH PITTSBURGH AREA TIL 630 PM...

...SEVERE THUNDERSTORM WARNINGS CONTINUE FOR MOST OF SOUTHWESTERN
   PENNSYLVANIA AND THE NORTHERN WEST VIRGINIA PANHANDLE TIL 630...

...SEVERE THUNDERSTORM WATCHES IN EFFECT UNTIL 1100 PM FOR MUCH
OF WESTERN PENNSYLVANIA AND THE NORTHERN PANHANDLE OF WEST VIRGINIA...

IF YOU ARE IN THE PITTSBURGH AREA...TAKE COVER...INCLUDING THOSE AT
THREE RIVERS STADIUM DOWNTOWN.  DAMAGING WIND...DEADLY LIGHTNING...
TORRENTIAL DOWNPOURS AND LARGE HAIL WILL BE OCCURRING.  MOTORISTS
SHOULD PULL OVER IN LOW VISIBILITY AND TAKE COVER IF HIGH WINDS
THREATEN.  HEAVY DOWNPOURS CAN CAUSE RAPID FLOODING WHERE DRAINAGE
IS POOR.

THE PITTSBURGH STORM IS JUST ONE OF MANY ALONG A LINE OF SEVERE STORMS
THAT EXTENDS FROM DUBOIS THROUGH PITTSBURGH TO WHEELING WEST VIRGINIA
AND CAMBRIDGE OHIO.  THE STORMS WERE MOVING SOUTHEAST AT 25 MILES AN
HOUR.  EACH OF THESE STORMS ARE DANGEROUS.  TAKE COVER AS THEY COME
THROUGH.  DONT DRIVE THROUGH FLOODING.

PAZ001>006-013>015-WVZ001-070200-

SPECIAL WEATHER STATEMENT AND WEATHER RADAR SUMMARY
NATIONAL WEATHER SERVICE PITTSBURGH PA
810 PM EDT THU SEP 6 1990

...TORNADO WATCH AND FLASH FLOOD WATCH FOR NORTHWESTERN
   PENNSYLVANIA TIL 1 AM...

...SEVERE THUNDERSTORM WATCH FOR THE CENTRAL PENNSYLVANIA
   MOUNTAINS TIL 11 PM...

RADAR SHOWED TWO BANDS OF DANGEROUS THUNDERSTORMS.  THE LEADING BAND OF
THUNDERSTORMS WAS OVER THE CENTRAL PENNSYLVANIA MOUNTAINS AS WELL AS
NORTHERN WEST VIRGINIA AND WESTERN MARYLAND.  THE WORST STORMS WERE
BETWEEN MORGANTOWN WEST VIRGINIA AND SOMERSET PENNSYLVANIA HEADING
SOUTHEASTWARD AT 30 MPH TOWARD CUMBERLAND MARYLAND.

THE SECOND BAND OF THUNDERSTORMS WAS ALONG THE ERIE LAKESHORE OF
OHIO...PENNSYLVANIA...AND NEW YORK STATE.  THE WORST STORMS WERE
BETWEEN CLEVELAND OHIO...ERIE PENNSYLVANIA...AND JAMESTOWN NEW YORK.
SOME SCATTERED STORMS HAVE ALSO DEVELOPED OVER NORTHEASTERN OHIO
BETWEEN AKRON...YOUNGSTOWN...AND NEW PHILADELPHIA.   THESE STORMS TOO
WERE MOVING SOUTHEASTWARD AT 30 MPH AND WILL BE MOVING ACROSS MUCH OF
NORTHWESTERN PENNSYLVANIA BETWEEN 9 PM AND 1 AM.

ANY OF THESE STORMS CAN HAVE DAMAGING WIND...POSSIBLY TORNADOES...LARGE
HAIL...DANGEROUS LIGHTNING...AND DOWNPOURS HEAVY ENOUGH TO CAUSE
FLOODING.  THE FLOODING THREAT IS HIGHEST IN AREAS HARDHIT BY HEAVY
THUNDERSTORM RAIN THIS AFTERNOON.  TAKE COVER INDOORS WHEN
THUNDERSTORMS APPROACH...PREFERABLY IN STRONG BUILDINGS AND AWAY FROM
WINDOWS.  WHEN CONFRONTED BY FLOODING...SEEK HIGHER GROUND BUT DONT GO
THROUGH FLOODING TO GET THERE.