Severe Thunderstorm Warning 41, NWS Pittsburgh, PA

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE PITTSBURGH PA
218 PM EDT MON JUN 16 2008

.SYNOPSIS...

A COLD FRONT WILL MOVE SOUTHEAST OF THE REGION THIS
EVENING...PROMPTING THE DEVELOPMENT OF STRONG TO SEVERE THUNDERSTORMS. A MUCH
COOLER AIR MASS WILL FOLLOW THIS BOUNDARY...WITH A SERIES OF
DISTURBANCES PASSING ACROSS THROUGH MID WEEK.

&&

.NEAR TERM /THROUGH TONIGHT/...

SURFACE COLD FRONT SHOULD CLEAR EASTERN COUNTIES AROUND 3Z. A VERY
UNSTABLE AIRMASS IS IN PLACE AHEAD OF THIS BOUNDARY. STORMS WILL
CONTINUE TO DEVELOP ALONG AND AHEAD OF THIS BOUNDARY THIS AFTERNOON.

WEAK RIDGE PUSHES EAST ACROSS THE AREA OVERNIGHT.

&&

.SHORT TERM /TUESDAY THROUGH WEDNESDAY/...

A MID LEVEL TROUGH WILL REMAIN THROUGH WEDNESDAY...WITH A SERIES
OF DISTURBANCES MOVING SOUTHEAST ACROSS THE REGION THROUGH THE
FLOW. A MUCH COOLER AIRMASS WILL SINK SOUTH UNDER THIS TROUGH.

&&

.LONG TERM /WEDNESDAY NIGHT THROUGH MONDAY/...

MID LEVEL TROUGHING WILL LINGER THROUGH THE ENTIRE PERIOD...WITH
SOME FLATTENING OF THE TROUGH OVER THE WEEKEND. TEMPERATURES WILL
REMAIN BELOW CLIMATOLOGICAL NORMALS THROUGH THE PERIOD...WITH SOME
MODERATION IN TEMPS TOWARD THE WEEKEND. WITH THE LINGERING
TROUGH...LOW POPS POSSIBLE THROUGHOUT THE PERIOD.

&&

.AVIATION /18Z MONDAY THROUGH SATURDAY/...

A COLD FRONT WILL CONTINUE TO SLIDE SOUTHEAST ACROSS THE REGION
THIS AFTERNOON...INTO THIS EVENING. THE BOUNDARY SHOULD CLEAR
EASTERN TERMINALS AROUND 03Z. STORMS WHICH FORM ALONG AND AHEAD
OF THIS BOUNDARY COULD PRODUCE LARGE HAIL AND WIND GUSTS IN EXCESS
OF 60 KNOTS...IN ADDITION TO IFR CONDITIONS. PREVAILING VFR
CONDITIONS ARE THEN EXPECTED OVERNIGHT BEHIND THE FRONT. A SERIES
OF DISTURBANCES WILL MOVE THROUGH THE REGION TUESDAY THROUGH
SATURDAY. WHILE CONDITIONS WILL PREVAIL AT VFR TUESDAY THROUGH
SATURDAY...A FEW PERIODS OF IFR TO MVFR WILL BE POSSIBLE IN AND
NEAR SHOWERS AND STORMS.

&&

.PBZ WATCHES/WARNINGS/ADVISORIES...
MD...NONE.
OH...NONE.
PA...NONE.
WV...NONE.

&&

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE PITTSBURGH PA
116 PM EDT MON JUN 16 2008

OHZ039>041-048>050-057>059-068-069-WVZ001>004-012-021>023-041-171730-
TUSCARAWAS-CARROLL-COLUMBIANA-COSHOCTON-HARRISON-JEFFERSON OH-
MUSKINGUM-GUERNSEY-BELMONT-NOBLE-MONROE-HANCOCK-BROOKE-OHIO-MARSHALL-
WETZEL-MARION-MONONGALIA-PRESTON-TUCKER-
116 PM EDT MON JUN 16 2008

...SEVERE THUNDERSTORM WATCH 549 IN EFFECT UNTIL 5 PM EDT THIS
AFTERNOON...

THIS HAZARDOUS WEATHER OUTLOOK IS FOR EAST CENTRAL OHIO...NORTHERN
WEST VIRGINIA AND NORTHERN PANHANDLE OF WEST VIRGINIA.

.DAY ONE...THIS AFTERNOON AND TONIGHT

PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE
INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS.

   SEVERE THUNDERSTORM WATCH.

...SEVERE WEATHER POSSIBLE TODAY...

SEVERE THUNDERSTORMS ARE POSSIBLE TODAY. THE GREATEST THREAT WILL
BE DAMAGING WINDS AND LARGE HAIL.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER
CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES.

MDZ001-PAZ007>009-013>016-020>023-029>032-171730-
GARRETT-MERCER-VENANGO-FOREST-LAWRENCE-BUTLER-CLARION-JEFFERSON PA-
BEAVER-ALLEGHENY-ARMSTRONG-INDIANA-WASHINGTON-WESTMORELAND-GREENE-
FAYETTE-
116 PM EDT MON JUN 16 2008

...SEVERE THUNDERSTORM WATCH 550 IN EFFECT UNTIL 7 PM EDT THIS
EVENING...

THIS HAZARDOUS WEATHER OUTLOOK IS FOR WESTERN MARYLAND...NORTHWEST
PENNSYLVANIA...SOUTHWEST PENNSYLVANIA AND WEST CENTRAL PENNSYLVANIA.

.DAY ONE...THIS AFTERNOON AND TONIGHT

PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE
INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS.

   SEVERE THUNDERSTORM WATCH.

...SEVERE WEATHER POSSIBLE TODAY...

SEVERE THUNDERSTORMS ARE POSSIBLE TODAY. THE GREATEST THREAT WILL
BE DAMAGING WINDS AND LARGE HAIL.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY

NO HAZARDOUSE WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER
CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES.

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE PITTSBURGH PA
232 PM EDT MON JUN 16 2008

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0156 PM     HAIL             DAVIS                   39.13N 79.47W
06/16/2008  E1.50 INCH       TUCKER             WV   EMERGENCY MNGR

0145 PM     HAIL             7 S SENECA              41.27N 79.71W
06/16/2008  E0.75 INCH       VENANGO            PA   TRAINED SPOTTER

0209 PM     HAIL             CAMBRIDGE               40.03N 81.59W
06/16/2008  E0.75 INCH       GUERNSEY           OH   PUBLIC

&&

JDARNLEY

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE PITTSBURGH PA
240 PM EDT MON JUN 16 2008

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0230 PM     TSTM WND DMG     SIGEL                   41.28N 79.12W
06/16/2008                   JEFFERSON          PA   EMERGENCY MNGR

            TREE REPORTED DOWN

&&

JDARNLEY

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SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PITTSBURGH PA
307 PM EDT MON JUN 16 2008

OHZ049-050-059-162000-
BELMONT OH-HARRISON OH-JEFFERSON OH-
307 PM EDT MON JUN 16 2008

...THUNDERSTORMS...

STRONG THUNDERSTORMS TO MOVE THROUGH THE FOLLOWING
COUNTIES...BELMONT...HARRISON AND JEFFERSON...

AT 305 PM EDT NATIONAL WEATHER SERVICE DOPPLER RADAR IN PITTSBURGH
INDICATED STRONG THUNDERSTORMS OVER FLUSHING...MOVING EAST AT 40 MPH.

THESE STORMS WILL PRODUCE HAIL...WIND GUSTS TO 50 MPH...FREQUENT
CLOUD TO GROUND LIGHTNING AND RAINFALL HEAVY ENOUGH TO CAUSE PONDING
OF WATER ON ROADS.

SOME LOCATIONS THAT WILL BE IMPACTED BY THESE STORMS INCLUDE...
  ADENA...BARKCAMP STATE PARK...BARNESVILLE...BETHESDA AND FLUSHING

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.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 500 PM EDT MONDAY
AFTERNOON FOR EAST CENTRAL OHIO AND NORTHERN WEST VIRGINIA.