Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 2011

Severe Thunderstorm Warning 192, NWS Pittsburgh, PA

August 1, 2011Greene County, Washington County, Pennsylvania

NWS Pittsburgh, PA issued this severe thunderstorm warning at Aug 1, 2011, 5:06 PM EDT for Greene County, Washington County, Pennsylvania. It was in force for 54 min. 1 report came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued: Aug 1, 2011, 5:06 PM EDT (21:06 UTC)
Expired: Aug 1, 2011, 6:00 PM EDT
In force: 54 min
Issued by: NWS Pittsburgh, PA
Area: Storm-based polygon

Counties Greene County, PA, Washington County, PA

The radar

The Pittsburgh radar (KPBZ), 64 km from the middle of the area, began a volume at 21:06 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

What was reported inside it

Time	Report	Where	Remark
Aug 1, 5:36 PM EDT	TSTM WND DMG	2 S Waynesburg, PA	TREES DOWN ALONG ROUTE 18

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

Did it verify

Verified. The Iowa Environmental Mesonet's Cow matched one storm report to this severe thunderstorm warning; the first came 30 minutes after it went out.

Cow counts a report within 15 km of the polygon while the warning was in force: a tornado for a tornado warning; hail of 1 inch or more, a gust of 58 mph or more or wind damage for a severe thunderstorm warning; a flash flood report for a flash flood warning.

The nearest sounding before it

Pittsburgh, PA (KPIT), launched 12:00Z, 9.1 hours before the alert went out and 50 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 312 J/kg
Mixed-layer CIN: -132 J/kg
Mixed-layer LCL: 1642 m above ground
0-6 km bulk shear: 30 kt
0-1 km storm-relative helicity: 97 m²/s²
0-3 km storm-relative helicity: 113 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.4

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

676 
WUUS51 KPBZ 012106
SVRPBZ
PAC059-125-012200-
/O.NEW.KPBZ.SV.W.0192.110801T2106Z-110801T2200Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PITTSBURGH PA
506 PM EDT MON AUG 1 2011

THE NATIONAL WEATHER SERVICE IN PITTSBURGH HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  EASTERN GREENE COUNTY IN SOUTHWEST PENNSYLVANIA...
  SOUTH CENTRAL WASHINGTON COUNTY IN SOUTHWEST PENNSYLVANIA...

* UNTIL 600 PM EDT

* AT 501 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND
  DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS LOCATED 9 MILES
  NORTHWEST OF SWARTS...MOVING SOUTHEAST AT 20 MPH.

* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO  
  SWARTS...             ROGERSVILLE...        WAYNESBURG...
  JEFFERSON BORO...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IN ADDITION TO LARGE HAIL AND DAMAGING WINDS...CONTINUOUS CLOUD TO
GROUND LIGHTNING IS OCCURRING WITH THIS STORM. MOVE INDOORS
IMMEDIATELY! LIGHTNING IS ONE OF NATURES NUMBER ONE KILLERS.
REMEMBER...IF YOU CAN HEAR THUNDER...YOU ARE CLOSE ENOUGH TO BE
STRUCK BY LIGHTNING.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 900 PM EDT MONDAY
EVENING FOR EAST CENTRAL OHIO AND NORTHERN WEST VIRGINIA.

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

&&

LAT...LON 3993 7998 3977 8017 4004 8049 4013 8025
TIME...MOT...LOC 2106Z 309DEG 18KT 4005 8032

$$


15

3 follow-up statements

710 
WWUS51 KPBZ 012118
SVSPBZ

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE PITTSBURGH PA
518 PM EDT MON AUG 1 2011

PAC059-125-012200-
/O.CON.KPBZ.SV.W.0192.000000T0000Z-110801T2200Z/
GREENE PA-WASHINGTON PA-
518 PM EDT MON AUG 1 2011

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 600 PM EDT
FOR WASHINGTON AND GREENE COUNTIES...

AT 516 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE
HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS
LOCATED NEAR SWARTS...MOVING SOUTHEAST AT 20 MPH.

* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO  
  SWARTS...             ROGERSVILLE...        WAYNESBURG...
  JEFFERSON BORO...

MOVE INDOORS WHEN THUNDERSTORMS APPROACH.

PLEASE REPORT SEVERE WEATHER TO THE NATIONAL WEATHER SERVICE BY
CALLING TOLL FREE. 1-877-633-6772. WHEN YOU CAN DO SO SAFELY.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 900 PM EDT MONDAY
EVENING FOR EAST CENTRAL OHIO AND NORTHERN WEST VIRGINIA.

LAT...LON 3993 7998 3977 8017 4004 8049 4013 8025
TIME...MOT...LOC 2118Z 309DEG 18KT 4001 8026

$$


15

254 
WWUS51 KPBZ 012142
SVSPBZ

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE PITTSBURGH PA
542 PM EDT MON AUG 1 2011

PAC125-012152-
/O.CAN.KPBZ.SV.W.0192.000000T0000Z-110801T2200Z/
WASHINGTON PA-
542 PM EDT MON AUG 1 2011

...THE SEVERE THUNDERSTORM WARNING FOR WASHINGTON COUNTY IS
CANCELLED...

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 900 PM EDT MONDAY
EVENING FOR EAST CENTRAL OHIO AND NORTHERN WEST VIRGINIA.

LAT...LON 3977 8017 3998 8040 4000 8019 4000 8016
      3999 8013 4000 8007 3993 7998
TIME...MOT...LOC 2142Z 317DEG 20KT 3995 8012

$$

PAC059-012200-
/O.CON.KPBZ.SV.W.0192.000000T0000Z-110801T2200Z/
GREENE PA-
542 PM EDT MON AUG 1 2011

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 600 PM EDT
FOR GREENE COUNTY...

AT 536 PM EDT...A SEVERE THUNDERSTORM WAS REPORTED CAPABLE OF
PRODUCING DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS LOCATED
NEAR SWARTS...MOVING SOUTHEAST AT 25 MPH.

* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO  
  SWARTS...             ROGERSVILLE...        WAYNESBURG...
  JEFFERSON BORO...

IN ADDITION TO DAMAGING WIND...CLOUD TO GROUND LIGHTNING IS 
OCCURRING WITH THIS STORM. MOVE INDOORS IMMEDIATELY! LIGHTNING IS 
ONE OF NATURES NUMBER ONE KILLERS.

PLEASE REPORT SEVERE WEATHER TO THE NATIONAL WEATHER SERVICE BY
CALLING TOLL FREE. 1-877-633-6772. WHEN YOU CAN DO SO SAFELY.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 900 PM EDT MONDAY
EVENING FOR EAST CENTRAL OHIO AND NORTHERN WEST VIRGINIA.

LAT...LON 3977 8017 3998 8040 4000 8019 4000 8016
      3999 8013 4000 8007 3993 7998
TIME...MOT...LOC 2142Z 317DEG 20KT 3995 8012

$$


15

046 
WWUS51 KPBZ 012156
SVSPBZ

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE PITTSBURGH PA
556 PM EDT MON AUG 1 2011

PAC059-012206-
/O.EXP.KPBZ.SV.W.0192.000000T0000Z-110801T2200Z/
GREENE PA-
556 PM EDT MON AUG 1 2011

...THE SEVERE THUNDERSTORM WARNING FOR GREENE COUNTY EXPIRES AT 600
PM EDT...

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 900 PM EDT MONDAY
EVENING FOR PARTS OF EAST CENTRAL OHIO AND NORTHERN WEST VIRGINIA.

LAT...LON 3977 8017 3998 8040 4000 8019 4000 8016
      3999 8013 4000 8007 3993 7998
TIME...MOT...LOC 2156Z 317DEG 20KT 3989 8005

$$


15

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Pittsburgh, PA wrote its last area forecast discussion before this severe thunderstorm warning went out at Aug 1, 4:40 PM EDT, 26 minutes earlier.

Area forecast discussion, Aug 1, 4:40 PM EDT, 26 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE PITTSBURGH PA
440 PM EDT MON AUG 1 2011

.SYNOPSIS...
A WEAK UPPER DISTURBANCE WILL EXIT THE GREAT LAKES REGION THIS
EVENING WITH SCATTERED SHOWERS AND THUNDERSTORMS ENDING. AFTER A MAINLY
DRY DAY TUESDAY...A STRONGER SYSTEM WILL BRING SHOWERS AND A
CHANCE OF THUNDERSTORMS TUESDAY NIGHT AND WEDNESDAY. TEMPERATURES
WILL BE SEASONABLY WARM WITH INCREASING HUMIDITY.

&&

.NEAR TERM /THROUGH TUESDAY/...
LATE AFTERNOON UPDATE TO SHIFT POPS TOWARD RADAR TRENDS AND ADD
POSSIBLE SEVERE ACROSS ALL COUNTIES WITH ISOLATED SEVERE STORMS
ACROSS REGION. SYSTEM WILL EXIT THIS EVENING...WITH MAINLY CLEAR
SKIES BY THE OVERNIGHT. RAISED OVERNIGHT LOWS ESPECIALLY IN THE
NORTH WHERE DEW POINTS HAVE RISEN AND LOOK STAY ELEVATED IN THE
60S. SURFACE HIGH WILL BRING WARM AND A BIT HUMID CONDITIONS
TUESDAY.

&&

.SHORT TERM /TUESDAY NIGHT THROUGH THURSDAY/...
MODELS IN GOOD AGREEMENT BRINGING A STRONGER SYSTEM ACROSS THE
AREA TUESDAY NIGHT AND WEDNESDAY. WILL USE LIKELY POPS PITTSBURGH
NORTH AFTER MIDNIGHT TUESDAY NIGHT...SPREADING SOUTH TO THE MASON
DIXON LINE BY WEDNESDAY AFTN. WILL CONTINUE HIGH LITE FOR SEVERE
POTENTIAL IN HWO. LOWER TEMPERATURES WEDNESDAY WITH CLOUDS AND
SHOWERS THEN WARM AND A BIT LESS HUMID THURSDAY UNDER HIGH
PRESSURE.

&&

.LONG TERM /THURSDAY NIGHT THROUGH MONDAY/...
ANOTHER SHORT WAVE TROUGH IS PROGGED TO TRACK EAST FROM THE UPPER MS
VALLEY ACROSS THE GREAT LAKES BY FRIDAY NIGHT. THE ASSOCIATED
SURFACE FRONT WILL PUSH SLOWLY THROUGH THE FORECAST AREA SATURDAY
AND INTO WEST VIRGINIA SUNDAY. SCATTERED SHOWERS AND THUNDERSTORMS
ARE FORECAST TO RETURN BY LATE FRIDAY AND CONTINUE THROUGH MUCH OF
THE WEEKEND.

WEAK HIGH PRESSURE SHOULD BRING A RETURN TO DRIER WEATHER MONDAY.
TEMPERATURES ARE FORECAST TO REMAIN A FEW DEGREES ABOVE NORMAL FOR
THE EXTENDED PERIOD.

&&

.AVIATION /21Z MONDAY THROUGH SATURDAY/...
AN UPPER LOW WILL CONTINUE TO DIVE SOUTHEAST ACROSS SOUTHERN QUEBEC
AND INTO NEW ENGLAND BY TUESDAY MORNING. SCATTERED SHOWERS AND
THUNDERSTORMS ACROSS NORTHERN OHIO WILL TRACK SOUTHEAST DURING THIS
AFTERNOON. WITH COVERAGE EXPECTED TO REMAIN SCATTERED...INCLUDED CB
IN CLOUD GROUPS FOR MOST TERMINALS LATE THIS AFTERNOON. MVFR AND
BRIEF IFR RESTRICTIONS CAN BE EXPECTED IN STORMS. POTENTIAL EXISTS
FOR STRONGER STORMS OVER EASTERN OH TO CONTAIN LARGE HAIL AND
SURFACE GUSTS OVER 50KT.

AREAL COVERAGE OF SHOWERS AND STORMS SHOULD DECREASE THIS EVENING
WITH LOSS OF SURFACE HEATING. HAVE MEDIUM CONFIDENCE THAT MVFR FOG
WILL FORM AGAIN TONIGHT AT KZZV AND KMGW....AND TEMPO GROUPS WERE
INCLUDED 09Z-12Z. LIGHT WINDS AND CLOSE TEMPERATURE/DEW POINT SPREAD
SHOULD SUPPORT AT LEAST SOME PATCHY MVFR FOG FORMATION.

OUTLOOK /TUESDAY NIGHT THROUGH SATURDAY/...
UPPER TROUGH DIVING SOUTHEAST ACROSS THE GREAT LAKES WILL BRING
SCATTERED SHOWERS AND THUNDERSTORMS WITH POSSIBLE RESTRICTIONS
TUESDAY NIGHT AND WEDNESDAY. HIGH PRESSURE SHOULD ALLOW FOR
PREVAILING VFR THURSDAY AND FRIDAY. THE NEXT SYSTEM TRACKING EAST
FROM THE MID MS VALLEY WILL BRING ANOTHER ROUND OF SHOWERS AND THE
POTENTIAL FOR RESTRICTIONS FRIDAY NIGHT INTO SATURDAY.

&&

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

&&

Hazardous weather outlook, Aug 1, 1:31 PM EDT, 3 hours 35 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE PITTSBURGH PA
131 PM EDT MON AUG 1 2011

PAZ007>009-013>016-020>022-029-021745-
MERCER-VENANGO-FOREST-LAWRENCE-BUTLER-CLARION-JEFFERSON PA-BEAVER-
ALLEGHENY-ARMSTRONG-WASHINGTON-
131 PM EDT MON AUG 1 2011

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

.DAY ONE...THIS AFTERNOON AND TONIGHT.

THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS THIS AFTERNOON. DAMAGING
WINDS AND LARGE HAIL WILL BE THE MAIN THREAT.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY.

THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS TUESDAY NIGHT INTO
EARLY WEDNESDAY. DAMAGING WINDS AND LARGE HAIL WILL BE THE MAIN
THREAT.

.SPOTTER INFORMATION STATEMENT...

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

MDZ001-PAZ023-031-073>076-WVZ012-021>023-041-021745-
GARRETT-INDIANA-GREENE-WESTMORELAND-WESTMORELAND RIDGES-FAYETTE-
FAYETTE RIDGES-WETZEL-MARION-MONONGALIA-PRESTON-TUCKER-
131 PM EDT MON AUG 1 2011

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

.DAY ONE...THIS AFTERNOON AND TONIGHT.

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.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.

OHZ039>041-048>050-057>059-068-069-WVZ001>004-021745-
TUSCARAWAS-CARROLL-COLUMBIANA-COSHOCTON-HARRISON-JEFFERSON OH-
MUSKINGUM-GUERNSEY-BELMONT-NOBLE-MONROE-HANCOCK-BROOKE-OHIO-MARSHALL-
131 PM EDT MON AUG 1 2011

...SEVERE THUNDERSTORM WATCH 710 IN EFFECT UNTIL 9 PM EDT THIS
EVENING...

THIS HAZARDOUS WEATHER OUTLOOK IS FOR EAST CENTRAL OHIO 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.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY.

THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS TUESDAY NIGHT INTO
EARLY WEDNESDAY. DAMAGING WINDS AND LARGE HAIL WILL BE THE MAIN
THREAT.

.SPOTTER INFORMATION STATEMENT...

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

In the hours before

Local storm report, Aug 1, 4:22 PM EDT, 44 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE PITTSBURGH PA
422 PM EDT MON AUG 01 2011

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

0409 PM     HAIL             GLEN CAMPBELL           40.82N  78.83W
08/01/2011  E1.00 INCH       INDIANA            PA   PUBLIC

&&

EVENT NUMBER PBZ1101016

RG

Local storm report, Aug 1, 4:29 PM EDT, 37 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE PITTSBURGH PA
429 PM EDT MON AUG 01 2011

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

0400 PM     HAIL             ROCHESTER MILLS         40.82N  78.99W
08/01/2011  E1.00 INCH       INDIANA            PA   PUBLIC

&&

EVENT NUMBER PBZ1101017

RG

Special weather statement, Aug 1, 4:42 PM EDT, 24 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PITTSBURGH PA
442 PM EDT MON AUG 1 2011

PAZ022-023-012130-
ARMSTRONG PA-INDIANA PA-
442 PM EDT MON AUG 1 2011

...STRONG THUNDERSTORMS WILL AFFECT INDIANA AND SOUTHEASTERN
ARMSTRONG COUNTIES...

AT 434 PM EDT...STRONG THUNDERSTORMS WERE ALONG A LINE FROM 2 MILES
SOUTHEAST OF MUFF TO 4 MILES SOUTHEAST OF CROOKED CREEK LAKE PARK...
MOVING SOUTHEAST AT 30 MPH.

WIND GUSTS TO 40 MPH AND HAIL UP TO DIME SIZE ARE POSSIBLE WITH THESE
STORMS.

SOME LOCATIONS THAT WILL BE IMPACTED INCLUDE...
  RURAL VALLEY...       ELDERTON...           DAYTON...
  SHELOCTA...           SMICKSBURG...         PLUMVILLE...
  INDIANA...            MARION CENTER...      HOMER CITY...
  CLYMER...             YELLOW CREEK STATE PARK...
  ARMAGH...

PLEASE REPORT SIGNIFICANT WEATHER TO THE NATIONAL WEATHER SERVICE BY
CALLING TOLL FREE...877-633-6772...WHEN YOU CAN DO SO SAFELY.

LAT...LON 4050 7890 4040 7897 4042 7900 4042 7902
      4057 7951 4094 7928 4092 7921 4091 7921
      4091 7918 4079 7880 4072 7880

Local storm report, Aug 1, 4:56 PM EDT, 10 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE PITTSBURGH PA
456 PM EDT MON AUG 01 2011

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

0429 PM     HAIL             2 NNE IRWIN             40.35N  79.69W
08/01/2011  E1.00 INCH       WESTMORELAND       PA   PUBLIC

&&

EVENT NUMBER PBZ1101018

RG

Local storm report, Aug 1, 4:57 PM EDT, 9 minutes before

PRELIMINARY LOCAL STORM REPORT...CORRECTED
NATIONAL WEATHER SERVICE PITTSBURGH PA
457 PM EDT MON AUG 01 2011

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

0329 PM     HAIL             2 NNE IRWIN             40.35N  79.69W
08/01/2011  E1.00 INCH       WESTMORELAND       PA   PUBLIC

&&

CORRECTED EVENT TIME

EVENT NUMBER PBZ1101018

RG

Special weather statement, Aug 1, 5:03 PM EDT, 3 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PITTSBURGH PA
503 PM EDT MON AUG 1 2011

PAZ020-021-029-012130-
ALLEGHENY PA-BEAVER PA-WASHINGTON PA-
503 PM EDT MON AUG 1 2011

...A STRONG THUNDERSTORM WILL AFFECT NORTHWESTERN WASHINGTON...
SOUTHERN BEAVER AND WEST CENTRAL ALLEGHENY COUNTIES...

AT 501 PM EDT...A STRONG THUNDERSTORM WAS LOCATED 4 MILES EAST OF NEW
MANCHESTER...MOVING EAST AT 40 MPH.

WIND GUSTS TO 40 MPH AND HAIL UP TO DIME SIZE ARE POSSIBLE WITH THIS
STORM.

SOME LOCATIONS THAT WILL BE IMPACTED INCLUDE...
  HARSHAVILLE...        RACCOON CREEK STATE PARK...
  FLORENCE...           MOON...               IMPERIAL...
  SEWICKLEY...          PITTSBURGH...         PERRYSVILLE...
  OAKDALE...            NORTH SIDE PITTSBURGH...
  MOUNT WASHINGTON...   MOUNT LEBANON...

PLEASE REPORT SIGNIFICANT WEATHER TO THE NATIONAL WEATHER SERVICE BY
CALLING TOLL FREE...877-633-6772...WHEN YOU CAN DO SO SAFELY.

LAT...LON 4032 8003 4045 8052 4063 8052 4064 8052
      4054 7995

The office that day

Everything else NWS Pittsburgh, PA issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Aug 1, 3:11 PM EDT	Special Weather Statement	PBZ	Armstrong, Indiana	49 min
Aug 1, 3:20 PM EDT	Severe Thunderstorm Warning	PBZ	Armstrong, Indiana	40 min
Aug 1, 3:22 PM EDT	Severe Thunderstorm Warning	PBZ	Westmoreland	38 min
Aug 1, 3:29 PM EDT	Severe Thunderstorm Warning	PBZ	Forest	46 min
Aug 1, 3:52 PM EDT	Severe Thunderstorm Warning	PBZ	Indiana	23 min
Aug 1, 4:12 PM EDT	Special Weather Statement	PBZ	Armstrong	33 min
Aug 1, 4:13 PM EDT	Special Weather Statement	PBZ	Westmoreland	32 min
Aug 1, 4:42 PM EDT	Special Weather Statement	PBZ	Indiana	48 min
Aug 1, 5:03 PM EDT	Special Weather Statement	PBZ	Allegheny	27 min
Aug 1, 5:47 PM EDT	Special Weather Statement	PBZ	Allegheny	28 min
Aug 1, 6:20 PM EDT	Special Weather Statement	PBZ	Fayette	25 min

Nearby

Severe Thunderstorm Warnings in Pennsylvania, 2011 Every severe thunderstorm warning in 2011

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.