Alert archive / Pennsylvania / Special Weather Statements in 2011
Special Weather Statement, NWS Pittsburgh, PA
NWS Pittsburgh, PA issued this special weather statement at Jun 16, 2011, 5:13 PM EDT for Mercer County, Pennsylvania. It was in force for 47 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Jun 16, 2011, 5:13 PM EDT (21:13 UTC)
- Expired
- Jun 16, 2011, 6:00 PM EDT
- In force
- 47 min
- Issued by
- NWS Pittsburgh, PA
County Mercer County, PA
The radar
The Pittsburgh radar (KPBZ), 103 km from the middle of the area, began a volume at 21:14 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.
The nearest sounding before it
Pittsburgh, PA (KPIT), launched 12:00Z, 9.2 hours before the alert went out and 117 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.
- Mixed-layer CAPE
- 41 J/kg
- Mixed-layer CIN
- -34 J/kg
- Mixed-layer LCL
- 596 m above ground
- 0-6 km bulk shear
- 29 kt
- 0-1 km storm-relative helicity
- 150 m²/s²
- 0-3 km storm-relative helicity
- 195 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
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</html>What forecasters said that day
The local office's own words before this special weather statement 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 special weather statement went out at Jun 16, 4:56 PM EDT, 17 minutes earlier.
Area forecast discussion, Jun 16, 4:56 PM EDT, 17 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE PITTSBURGH PA 456 PM EDT THU JUN 16 2011 .SYNOPSIS... UPPER LEVEL LOW PRESSURE WILL CROSS THE UPPER OHIO VALLEY TONIGHT BRINGING SHOWERS AND THUNDERSTORMS. A WEAK FRONT IS FORECAST TO SAG SOUTH OF THE AREA ON FRIDAY AND BECOME STATIONARY THROUGH THE WEEKEND. SCATTERED THUNDERSTORMS WILL THUS REMAIN IN THE FORECAST THROUGH THAT PERIOD. && .NEAR TERM /THROUGH FRIDAY/... AREA OF SHOWERS AND STORMS ASSOCIATED WITH ADVANCING UPPER LOW AND OCCLUDED SURFACE FRONT WILL CROSS THE REGION THIS EVENING. WITH LIMITED SHEAR AND MARGINAL INSTABILITY, WIDESPREAD SEVERE IS NOT EXPECTED; HOWEVER, JET STREAK WILL CROSS SOUTH OF THE LOW THIS EVENING, SO CLOSE MONITORING WILL CONTINUE. WITH FADING INSTABILITY AND EASTWARD PROGRESSION OF THE SYSTEM, ACTIVITY SHOULD DIMINISH TO SCATTERED SHOWERS AS MIDNIGHT APPROACHES. FRIDAY HEATING WITH RELATIVELY LOW CONVECTIVE TEMPERATURES ON THE WESTERN FLANK OF THE MID/UPPER LOW SHOULD SUPPORT SCATTERED SHOWERS AND STORMS ONCE AGAIN ON FRIDAY. && .SHORT TERM /FRIDAY NIGHT THROUGH SATURDAY/... SHOWERS AND SCATTERED THUNDERSTORMS WILL DIMINISH FRIDAY NIGHT INTO DAYBREAK SATURDAY. WITH THE FRONT STRUNG OUT STATIONARY ACROSS THE FORECAST AREA SCATTERED SHOWERS AND TSTMS MAY AGAIN RE-FIRE DURING THE AFTERNOON HOURS INTO SATURDAY EVENING. && .LONG TERM /SATURDAY NIGHT THROUGH THURSDAY/... WITH THE FRONTAL ZONE REMAINING NEARLY STATIONARY ACROSS THE DISTRICT MID LEVEL DISTURBANCES WILL RIDE THE BOUNDARY TRIGGERING SHOWERS AND THUNDERSTORMS THROUGH THE FORECAST PERIOD. SHOWERS WILL OCCUR PRIMARILY IN THE AFTERNOON AND EVENING HOURS DUE TO THE HEATING OF THE DAY. THE FRONT WILL DRIFT SLOWLY NORTH THROUGH THE EXTENDED PERIOD WITH WARMER AND MORE HUMID CONDITIONS FOR WEDNESDAY AND THURSDAY. && .AVIATION /21Z THURSDAY THROUGH TUESDAY/... AN AREA OF THUNDERSTORMS ASSOCIATED WITH APPRCHG UPPER LOW MOVED OVER THE REGINO LATE THIS AFTN. OCCASIONAL MVFR RESTRICTIONS CAN THUS BE EXPECTED WITH BRIEF IFR CONDITIONS IN STRONGER STORMS INTO THE EVENING HOURS. SCATTERED SHOWERS MAY CONTINUE TO FORM LATE TONIGHT INTO FRIDAY AS UPPER LOW CROSSING THE REGION PROVIDES SUFFICIENT LIFT AND ABUNDANT LOW LEVEL MOISTURE REMAINS IN PLACE. IN ADDITION... AREAS OF MVFR FOG WILL LIKELY DEVELOP MAINLY BETWEEN 08Z AND 12Z FRIDAY. OUTLOOK THROUGH TUESDAY...PERIODS OF SHOWERS AND SCATTERED THUNDERSTORMS AND THE POTENTIAL FOR RESTRICTIONS WILL CONTINUE THROUGH THE WEEKEND INTO EARLY NEXT WEEK AS A FRONTAL BOUNDARY REMAINS STRETCHED ACROSS THE UPPER OHIO VALLEY. && .PBZ WATCHES/WARNINGS/ADVISORIES... MD...NONE. OH...NONE. PA...NONE. WV...NONE. && 15
Hazardous weather outlook, Jun 16, 1:44 PM EDT, 3 hours 29 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE PITTSBURGH PA 144 PM EDT THU JUN 16 2011 MDZ001-OHZ039>041-048>050-057>059-068-069-PAZ007>009-013>016-020>023- 029-031-073>076-WVZ001>004-012-021>023-041-171745- 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-GREENE-WESTMORELAND-WESTMORELAND RIDGES- FAYETTE-FAYETTE RIDGES-HANCOCK-BROOKE-OHIO-MARSHALL-WETZEL-MARION- MONONGALIA-PRESTON-TUCKER- 144 PM EDT THU JUN 16 2011 THIS HAZARDOUS WEATHER OUTLOOK IS FOR WESTERN MARYLAND...EAST CENTRAL OHIO...NORTHWEST PENNSYLVANIA...SOUTHWEST PENNSYLVANIA...WEST CENTRAL PENNSYLVANIA...NORTHERN WEST VIRGINIA AND NORTHERN PANHANDLE OF WEST VIRGINIA. .DAY ONE...THIS AFTERNOON AND TONIGHT. THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS THIS AFTERNOON AND TONIGHT. THE PRIMARY THREAT IS WIND AND HAIL. .DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY. THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS SATURDAY AND SATURDAY NIGHT. THE PRIMARY THREAT IS WIND AND HAIL. .SPOTTER INFORMATION STATEMENT... WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES.
In the hours before
Special weather statement, Jun 16, 3:42 PM EDT, 1 hour 31 minutes before
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</html>Special weather statement, Jun 16, 4:10 PM EDT, 1 hour 3 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE PITTSBURGH PA 410 PM EDT THU JUN 16 2011 OHZ039-049-058-059-162100- BELMONT OH-GUERNSEY OH-HARRISON OH-TUSCARAWAS OH- 410 PM EDT THU JUN 16 2011 ...A STRONG THUNDERSTORM WILL AFFECT EXTREME SOUTHEASTERN TUSCARAWAS...NORTHERN GUERNSEY...NORTHWESTERN BELMONT AND SOUTHWESTERN HARRISON COUNTIES... AT 405 PM EDT...A STRONG THUNDERSTORM WAS LOCATED NEAR SALT FORK STATE PARK...MOVING EAST AT 20 MPH. WIND GUSTS TO 40 MPH AND PEA-SIZED HAIL ARE POSSIBLE WITH THIS STORM. SOME LOCATIONS THAT WILL BE IMPACTED INCLUDE... SALT FORK STATE PARK... KIMBOLTON... CAMBRIDGE... OLD WASHINGTON... BIRMINGHAM... LONDONDERRY... FREEPORT... CLENDENING... PIEDMONT... PLEASE REPORT SIGNIFICANT WEATHER TO THE NATIONAL WEATHER SERVICE BY CALLING TOLL FREE...877-633-6772...WHEN YOU CAN DO SO SAFELY. LAT...LON 4027 8114 4008 8110 4001 8159 4018 8163 WOODRUM
Special weather statement, Jun 16, 4:13 PM EDT, 1 hour before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PITTSBURGH PA
413 PM EDT THU JUN 16 2011
PAZ007-162100-
MERCER PA-
413 PM EDT THU JUN 16 2011
...A STRONG THUNDERSTORM WILL AFFECT NORTHERN MERCER COUNTY...
AT 410 PM EDT...A STRONG THUNDERSTORM WAS LOCATED 4 MILES EAST OF
GREENVILLE...MOVING NORTHEAST AT 25 MPH.
WIND GUSTS TO 45 MPH AND HAIL UP TO DIME SIZE ARE POSSIBLE WITH THIS
STORM.
SOME LOCATIONS THAT WILL BE IMPACTED INCLUDE...
GREENVILLE... FREDONIA...
MAURICE K GODDARD STATE PARK...
PLEASE REPORT SIGNIFICANT WEATHER TO THE NATIONAL WEATHER SERVICE BY
CALLING TOLL FREE...877-633-6772...WHEN YOU CAN DO SO SAFELY.
LAT...LON 4148 8000 4130 8028 4144 8046 4149 8039
4148 8014 4149 8013 4149 8001
34Special weather statement, Jun 16, 4:36 PM EDT, 37 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE PITTSBURGH PA 436 PM EDT THU JUN 16 2011 PAZ009-015-016-022-162115- ARMSTRONG PA-CLARION PA-FOREST PA-JEFFERSON PA- 436 PM EDT THU JUN 16 2011 ...A STRONG THUNDERSTORM WILL AFFECT EXTREME SOUTH CENTRAL FOREST... NORTHEASTERN ARMSTRONG...SOUTHEASTERN CLARION AND WESTERN JEFFERSON COUNTIES... AT 433 PM EDT...A STRONG THUNDERSTORM WAS LOCATED CLIMAX...MOVING NORTHEAST AT 20 MPH. WIND GUSTS TO 45 MPH AND HAIL UP TO DIME SIZE ARE POSSIBLE WITH THIS STORM. SOME LOCATIONS THAT WILL BE IMPACTED INCLUDE... RIMERSBURG... CLIMAX... NEW BETHLEHEM... LIMESTONE... SUMMERVILLE... COOK FOREST STATE PARK... BROOKVILLE... PLEASE REPORT SIGNIFICANT WEATHER TO THE NATIONAL WEATHER SERVICE BY CALLING TOLL FREE...877-633-6772...WHEN YOU CAN DO SO SAFELY. LAT...LON 4140 7920 4107 7892 4091 7944 4104 7955 34
Special weather statement, Jun 16, 4:46 PM EDT, 27 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PITTSBURGH PA
446 PM EDT THU JUN 16 2011
OHZ049-050-058-059-WVZ002>004-162130-
BELMONT OH-BROOKE WV-GUERNSEY OH-HARRISON OH-JEFFERSON OH-MARSHALL
WV-OHIO WV-
446 PM EDT THU JUN 16 2011
...A STRONG THUNDERSTORM WILL AFFECT BELMONT...NORTH CENTRAL
MARSHALL...NORTHEASTERN GUERNSEY...SOUTHERN HARRISON...SOUTHERN
JEFFERSON...SOUTHWESTERN BROOKE AND WESTERN OHIO COUNTIES...
AT 442 PM EDT...A STRONG THUNDERSTORM WAS LOCATED 4 MILES SOUTH OF
LONDONDERRY...MOVING EAST AT 35 MPH.
WIND GUSTS TO 40 MPH AND HAIL UP TO DIME SIZE ARE POSSIBLE WITH THIS
STORM.
SOME LOCATIONS THAT WILL BE IMPACTED INCLUDE...
QUAKER CITY... LONDONDERRY... FREEPORT...
BARNESVILLE... PIEDMONT... BETHESDA...
MORRISTOWN... FLUSHING...
BARKCAMP STATE PARK... NEW ATHENS...
CADIZ... SAINT CLAIRSVILLE...
PLEASE REPORT SIGNIFICANT WEATHER TO THE NATIONAL WEATHER SERVICE BY
CALLING TOLL FREE...877-633-6772...WHEN YOU CAN DO SO SAFELY.
LAT...LON 4021 8133 4023 8133 4034 8064 3994 8061
3996 8136 4021 8138
34Special weather statement, Jun 16, 5:13 PM EDT, 0 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PITTSBURGH PA
513 PM EDT THU JUN 16 2011
PAZ007-162200-
MERCER PA-
513 PM EDT THU JUN 16 2011
...A STRONG THUNDERSTORM WILL AFFECT NORTHERN MERCER COUNTY...
AT 510 PM EDT...A STRONG THUNDERSTORM WAS LOCATED 13 MILES WEST
OF GREENVILLE...MOVING EAST AT 25 MPH.
WIND GUSTS TO 50 MPH AND NICKEL HAIL ARE POSSIBLE WITH THIS STORM.
SOME LOCATIONS THAT WILL BE IMPACTED INCLUDE...
GREENVILLE... FREDONIA... STONEBORO...
MAURICE K GODDARD STATE PARK...
PLEASE REPORT SIGNIFICANT WEATHER TO THE NATIONAL WEATHER SERVICE BY
CALLING TOLL FREE...877-633-6772...WHEN YOU CAN DO SO SAFELY.
LAT...LON 4149 8041 4148 8014 4149 8013 4149 8001
4129 8000 4125 8053 4149 8053 4149 8052
4149 8046 4150 8045
WOODRUMThe office that day
Everything else NWS Pittsburgh, PA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 16, 4:13 PM EDT | Special Weather Statement | PBZ | Mercer | 47 min |
| Jun 16, 4:36 PM EDT | Special Weather Statement | PBZ | Jefferson | 39 min |
| Jun 16, 5:19 PM EDT | Severe Thunderstorm Warning | PBZ | Mercer | 56 min |
| Jun 16, 5:22 PM EDT | Special Weather Statement | PBZ | Jefferson | 53 min |
| Jun 16, 5:53 PM EDT | Special Weather Statement | PBZ | Indiana, Westmoreland | 52 min |
| Jun 16, 6:07 PM EDT | Special Weather Statement | PBZ | Jefferson | 53 min |
| Jun 16, 6:17 PM EDT | Special Weather Statement | PBZ | Venango | 58 min |
| Jun 16, 6:58 PM EDT | Areal Flood Advisory | PBZ | Indiana, Jefferson | 3 hr |
| Jun 16, 7:04 PM EDT | Special Weather Statement | PBZ | Indiana | 26 min |
| Jun 16, 3:42 PM EDT | Special Weather Statement | PBZ | Muskingum | 63 min |
| Jun 16, 4:10 PM EDT | Special Weather Statement | PBZ | Guernsey | 50 min |
| Jun 16, 4:46 PM EDT | Special Weather Statement | PBZ | Belmont | 44 min |
| Jun 16, 5:35 PM EDT | Severe Thunderstorm Warning | PBZ | Monroe | 40 min |
| Jun 16, 6:18 PM EDT | Special Weather Statement | PBZ | Monroe | 27 min |
| Jun 16, 6:08 PM EDT | Special Weather Statement | PBZ | Wetzel | 37 min |
Nearby
Special Weather Statements in Pennsylvania, 2011Every special weather statement 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.