Severe Thunderstorm Warning 145, NWS Pittsburgh, PA

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE PITTSBURGH PA
319 PM EDT WED JUL 12 2006

.SHORT TERM (TONIGHT THROUGH THURSDAY)...
EXPECT SEVERAL AREAS OF SHOWERS AND THUNDERSTORMS TO PUSH THROUGH
THE REGION DURING THE REST OF THIS AFTERNOON AND TONIGHT AS SHORT
WAVES TRACK ALONG THE OHIO VALLEY AND COLD FRONT SAGS SOUTHWARD FROM
LAKE ERIE. ATMOSPHERE REMAINS LOADED WITH MOISTURE AND FLOODING
POTENTIAL WILL CONTINUE TONIGHT. WILL EXTEND FLASH FLOOD WATCH FOR
ENTIRE CWA UNTIL MIDNIGHT.

KEPT POPS HIGH ACROSS SOUTHERN ZONES EARLY THURSDAY TAPERING TO
CHANCE ACROSS THE NORTH AS FRONTAL BOUNDARY CONTINUES TO MOVE SOUTH.

&&

.LONG TERM (THURSDAY NIGHT THROUGH WEDNESDAY)...
FRONT WILL BE EDGING SOUTH OF CWA THURSDAY NIGHT WITH LEFTOVER
SHOWERS ALONG WV/PA BORDER INTO FRIDAY. EXACT LOCATION OF FRONT WILL BE
PROBLEM FOR HOW FAR SOUTH DRYER AIR AND LESSENING SHOWERS CHANCES
GO. WITH FRONT CLOSE BY AND WEAK IMPULSES IN FLOW LEFT LOW CHC
SHOWERS ESPECIALLY FAR SOUTH SATURDAY AND SUNDAY. NEXT COLD FRONT
WILL BRING SHOWER AND THUNDERSTORM CHANCES MONDAY AND TUESDAY THEN
HIGH PRESSURE WILL DRY THE REGION OUT WEDNESDAY.

&&

.AVIATION...
SURFACE LOW OVER EASTERN TIP OF LAKE ERIE WILL MOVE EAST ACROSS
SOUTHERN NEW ENGLAND TONIGHT AND OFF THE COAST THURSDAY. A COLD
FRONT WILL MOVE SLOWLY SOUTHWARD ACROSS THE UPPER OHIO VALLEY
TONIGHT. EXPECT AREAS OF SHOWERS AND THUNDERSTORMS TO PUSH THROUGH
THE REGION DURING THE REST OF THIS AFTERNOON AND TONIGHT.

OUTSIDE OF PRECIPITATION AREAS...EXPECT GENERALLY MVFR CEILINGS AND
VISIBILITIES IN HAZE. CONDITIONS WILL OCCASIONALLY LOWER TO IFR IN
STRONGER THUNDERSTORMS. AFT 06Z TONIGHT...EXPECT GENERALLY IFR
CEILINGS AND VISIBILITIES IN FOG AND SCATTERED PRECIPITATION.
CONDITIONS EXPECTED TO IMPROVE TO MVFR BY 15Z THURSDAY.

&&

.PBZ WATCHES/WARNINGS/ADVISORIES...
MD...FLASH FLOOD WATCH FOR MDZ001 UNTIL MIDNIGHT THURSDAY.
OH...FLASH FLOOD WATCH FOR OHZ039>041-048>050-057>059-068-069 UNTIL
     MIDNIGHT THURSDAY.
PA...FLASH FLOOD WATCH FOR PAZ007>009-013>016-020>023-029>032 UNTIL
     MIDNIGHT THURSDAY.
WV...FLASH FLOOD WATCH FOR WVZ001>004-012-021>023-041 UNTIL
     MIDNIGHT THURSDAY.
&&

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE PITTSBURGH PA
405 AM EDT WED JUL 12 2006

MDZ001-OHZ039>041-048>050-057>059-068-069-PAZ007>009-013>016-
020>023-029>032-WVZ001>004-012-021>023-041-130815-
GARRETT-TUSCARAWAS-CARROLL-COLUMBIANA-COSHOCTON-HARRISON-
JEFFERSON OH-MUSKINGUM-GUERNSEY-BELMONT-NOBLE-MONROE-MERCER-
VENANGO-FOREST-LAWRENCE-BUTLER-CLARION-JEFFERSON PA-BEAVER-
ALLEGHENY-ARMSTRONG-INDIANA-WASHINGTON-WESTMORELAND-GREENE-
FAYETTE-HANCOCK-BROOKE-OHIO-MARSHALL-WETZEL-MARION-MONONGALIA-
PRESTON-TUCKER-
405 AM EDT WED JUL 12 2006

HAZARDOUS WEATHER OUTLOOK FOR WESTERN MARYLAND...EAST CENTRAL
OHIO...WESTERN PENNSYLVANIA...AND NORTHERN WEST VIRGINIA.

.DAY ONE...TODAY AND TONIGHT

THE ATMOSPHERE IS VERY SATURATED. A SLOW MOVING COLD FRONT WILL
BRING PERIODS OF RAIN AND THUNDERSTORMS TODAY, INTO TONIGHT. A FLASH
FLOOD WATCH IS IN EFFECT TODAY, AND THE WATCH MAY BE EXTENDED
BEYOND 4 PM, ESPECIALLY SOUTH OF PITTSBURGH. THERE IS ALSO A THREAT OF
DAMAGING WIND AND LARGE HAIL THIS AFTERNOON AND EVENING.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

SPOTTERS MAY BE ACTIVATED.

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SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PITTSBURGH PA
242 PM EDT WED JUL 12 2006

PAZ014-021-022-030-121945-
ALLEGHENY PA-ARMSTRONG PA-BUTLER PA-WESTMORELAND PA-
242 PM EDT WED JUL 12 2006

...INTENSE THUNDERSTORMS...

A LINE OF INTENSE THUNDERSTORMS WILL MOVE ACROSS
BUTLER...ARMSTRONG...WESTMORELAND AND ALLEGHENY COUNTIES...

AT 241 PM EDT NATIONAL WEATHER SERVICE DOPPLER RADAR IN PITTSBURGH
INDICATED STRONG THUNDERSTORMS 4 MILES NORTHWEST OF NATRONA
HEIGHTS...MOVING EAST AT 30 MPH.

SOME LOCATIONS THAT WILL BE IMPACTED BY THESE STORMS INCLUDE...
  APOLLO...CROOKED CREEK LAKE PARK...DAYTON...ELDERTON...FORD CITY...
  FREEPORT...KITTANNING...LERNERVILLE...MUFF...NATRONA HEIGHTS...NEW
  KENSINGTON...RUSSELLTON...SARVER...SAXONBURG AND VANDERGRIFT

THESE STORMS ARE CAPABLE OF PRODUCING STRONG WIND GUSTS BETWEEN 40
AND 50 MPH. RESIDENTS SHOULD PAY ATTENTION FOR POSSIBLE WARNINGS.

KEEP AN EYE TO THE SKY AND MOVE TO A SAFE PLACE IF THUNDERSTORMS
APPROACH.

PLEASE REPORT HAIL...STRONG WINDS OR WIND DAMAGE TO THE NATIONAL
WEATHER SERVICE BY CALLING TOLL FREE...1-877-633-6772.

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PITTSBURGH PA
319 PM EDT WED JUL 12 2006

PAZ021-029-030-122015-
ALLEGHENY PA-WASHINGTON PA-WESTMORELAND PA-
319 PM EDT WED JUL 12 2006

...THUNDERSTORMS WITH STRONG WINDS...

A LINE OF INTENSE THUNDERSTORMS WILL MOVE ACROSS
WESTMORELAND...ALLEGHENY AND WASHINGTON COUNTIES...

AT 318 PM EDT NATIONAL WEATHER SERVICE DOPPLER RADAR IN PITTSBURGH
INDICATED STRONG THUNDERSTORMS 5 MILES SOUTHEAST OF BURGETTSTOWN...
MOVING EAST AT 30 MPH.

SOME LOCATIONS THAT WILL BE IMPACTED BY THESE STORMS INCLUDE...
  BALDWIN...BETHEL PARK...BRIDGEVILLE...BURGETTSTOWN...CANONSBURG...
  CARNEGIE...DELMONT...DOWNTOWN PITTSBURGH...ELIZABETH BORO...FOX
  CHAPEL...IMPERIAL...IRWIN...JEANNETTE...JEFFERSON BORO...
  MCDONALD...MCKEES ROCKS...MCKEESPORT...MCMURRAY...MONROEVILLE...
  MOON...MOUNT LEBANON...MURRYSVILLE...NEW ALEXANDRIA...NEW
  KENSINGTON...NORTH SIDE...OAKDALE...PENN HILLS...PERRYSVILLE...
  PLUM...SEWICKLEY...SOUTH SIDE...SPRINGDALE...TURTLE CREEK...UPPER
  SAINT CLAIR...WEST MIFFLIN...WILKINSBURG AND HARRISON CITY

THESE STORMS ARE CAPABLE OF PRODUCING WIND GUSTS BETWEEN 40 AND 50
MPH. RESIDENTS SHOULD PAY ATTENTION FOR POSSIBLE WARNINGS.

KEEP AN EYE TO THE SKY AND MOVE TO A SAFE PLACE IF THUNDERSTORMS
APPROACH.

PLEASE REPORT HAIL...STRONG WINDS OR WIND DAMAGE TO THE NATIONAL
WEATHER SERVICE BY CALLING TOLL FREE...1-877-633-6772.

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PITTSBURGH PA
328 PM EDT WED JUL 12 2006

PAZ016-022-023-122030-
ARMSTRONG PA-INDIANA PA-JEFFERSON PA-
328 PM EDT WED JUL 12 2006

...THUNDERSTORMS WITH STRONG WINDS...

A LINE OF INTENSE THUNDERSTORMS WILL MOVE ACROSS
JEFFERSON...ARMSTRONG AND INDIANA COUNTIES...

AT 327 PM EDT NATIONAL WEATHER SERVICE DOPPLER RADAR IN PITTSBURGH
INDICATED STRONG THUNDERSTORMS ALONG A LINE EXTENDING FROM 8 MILES
NORTH OF DAYTON TO 9 MILES SOUTHEAST OF INDIANA...OR ALONG A LINE
EXTENDING FROM 3 MILES NORTHWEST OF DORA TO 4 MILES NORTH OF
ARMAGH...MOVING EAST AT 30 MPH.

SOME LOCATIONS THAT WILL BE IMPACTED BY THESE STORMS INCLUDE...
  CHERRY TREE...CLYMER...DAYTON...GLEN CAMPBELL...INDIANA...MARION
  CENTER...PLUMVILLE...PUNXSUTAWNEY AND SMICKSBURG

THESE STORMS ARE CAPABLE OF PRODUCING WIND GUSTS BETWEEN 40 AND 50
MPH. RESIDENTS SHOULD PAY ATTENTION FOR POSSIBLE WARNINGS.

KEEP AN EYE TO THE SKY AND MOVE TO A SAFE PLACE IF THUNDERSTORMS
APPROACH.

PLEASE REPORT HAIL...STRONG WINDS OR WIND DAMAGE TO THE NATIONAL
WEATHER SERVICE BY CALLING TOLL FREE...1-877-633-6772.