Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 2011

Severe Thunderstorm Warning 168, NWS Pittsburgh, PA

July 22, 2011Allegheny County, Pennsylvania

NWS Pittsburgh, PA issued this severe thunderstorm warning at Jul 22, 2011, 6:00 PM EDT for Allegheny County, Pennsylvania. It was in force for 45 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Jul 22, 2011, 6:00 PM EDT (22:00 UTC)
Expired: Jul 22, 2011, 6:45 PM EDT
In force: 45 min
Issued by: NWS Pittsburgh, PA
Area: Storm-based polygon

County Allegheny County, PA

The radar

The Pittsburgh radar (KPBZ), 21 km from the middle of the area, began a volume at 22:03 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Jul 22, 5:37 PM EDT	Severe Thunderstorm Watch	SPC	4 hr

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 Jul 22, 3:59 PM EDT, 2 hours 1 minute earlier.

Area forecast discussion, Jul 22, 3:59 PM EDT, 2 hours 1 minute before

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Hazardous weather outlook, Jul 22, 5:49 PM EDT, 11 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE PITTSBURGH PA
549 PM EDT FRI JUL 22 2011

MDZ001-OHZ039>041-048>050-057>059-068-069-PAZ007>009-013>016-020>023-
029-031-073>076-WVZ001>004-012-021>023-041-232200-
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-
549 PM EDT FRI JUL 22 2011

...SEVERE THUNDERSTORM WATCH 672 IN EFFECT UNTIL 1 AM EDT SATURDAY...

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...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.

THUNDERSTORM RAINFALLS OVER 2 INCHES MAY CAUSE LOCALLY RAPID
FLOODING.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY.

APPARENT TEMPERATURES SATURDAY CAN PEAK IN THE RANGE OF 95 TO 100.

.SPOTTER INFORMATION STATEMENT...

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

In the hours before

Local storm report, Jul 22, 5:19 PM EDT, 41 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE PITTSBURGH PA
519 PM EDT FRI JUL 22 2011

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

0518 PM     TSTM WND DMG     BEAVER FALLS            40.75N  80.32W
07/22/2011                   BEAVER             PA   911 CALL CENTER

            LARGE TREES AND POWER LINES BLOWN DOWN.

&&

EVENT NUMBER PBZ1100972

NWS

Local storm report, Jul 22, 5:31 PM EDT, 29 minutes before

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Local storm report, Jul 22, 5:36 PM EDT, 24 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE PITTSBURGH PA
536 PM EDT FRI JUL 22 2011

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

0535 PM     TSTM WND DMG     NEW WILMINGTON          41.12N  80.33W
07/22/2011                   LAWRENCE           PA   911 CALL CENTER

            NUMEROUS LARGE TREES AND POWER LINES BLOWN DOWN ONTO SR
            208 AND LIGO LANE.

&&

EVENT NUMBER PBZ1100974

NWS

Local storm report, Jul 22, 5:51 PM EDT, 9 minutes before

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Local storm report, Jul 22, 5:52 PM EDT, 8 minutes before

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Local storm report, Jul 22, 5:55 PM EDT, 5 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE PITTSBURGH PA
555 PM EDT FRI JUL 22 2011

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

0540 PM     TSTM WND DMG     FREEPORT                40.67N  79.69W
07/22/2011                   ARMSTRONG          PA   FIRE DEPT/RESCUE

            MULTIPLE TREES DOWN

&&

EVENT NUMBER PBZ1100977

RG

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 22, 11:36 AM EDT	Excessive Heat Warning	PBZ	Allegheny, Beaver, Washington	6 hr
Jul 22, 2:38 PM EDT	Flash Flood Warning	PBZ	Washington	3 hr
Jul 22, 3:49 PM EDT	Special Weather Statement	PBZ	Washington	26 min
Jul 22, 4:58 PM EDT	Special Weather Statement	PBZ	Mercer	47 min
Jul 22, 5:06 PM EDT	Severe Thunderstorm Warning	PBZ	Allegheny	39 min
Jul 22, 5:08 PM EDT	Severe Thunderstorm Warning	PBZ	Lawrence, Mercer	37 min
Jul 22, 5:12 PM EDT	Severe Thunderstorm Warning	PBZ	Allegheny, Beaver, Butler, Washington	63 min
Jul 22, 5:17 PM EDT	Severe Thunderstorm Warning	PBZ	Mercer	43 min
Jul 22, 5:19 PM EDT	Severe Thunderstorm Warning	PBZ	Armstrong, Butler, Westmoreland	41 min
Jul 22, 5:45 PM EDT	Severe Thunderstorm Warning	PBZ	Butler, Lawrence, Mercer	47 min
Jul 22, 5:48 PM EDT	Severe Thunderstorm Warning	PBZ	Armstrong, Butler, Clarion, Indiana, Westmoreland	42 min
Jul 22, 6:08 PM EDT	Areal Flood Warning	PBZ	Butler, Lawrence, Mercer	2 hr
Jul 22, 6:15 PM EDT	Areal Flood Warning	PBZ	Allegheny, Armstrong, Butler, Westmoreland	4 hr
Jul 22, 6:26 PM EDT	Special Weather Statement	PBZ	Westmoreland	64 min
Jul 22, 6:41 PM EDT	Special Weather Statement	PBZ	Greene	49 min
Jul 22, 6:48 PM EDT	Severe Thunderstorm Warning	PBZ	Fayette, Greene, Washington	42 min
Jul 22, 7:39 PM EDT	Special Weather Statement	PBZ	Fayette, Greene	66 min
Jul 22, 7:50 PM EDT	Severe Thunderstorm Warning	PBZ	Fayette	40 min
Jul 22, 1:45 PM EDT	Special Weather Statement	PBZ	Belmont	30 min
Jul 22, 2:24 PM EDT	Flash Flood Warning	PBZ	Belmont	3 hr
Jul 22, 4:04 PM EDT	Special Weather Statement	PBZ	Carroll, Columbiana	56 min
Jul 22, 4:09 PM EDT	Severe Thunderstorm Warning	PBZ	Carroll	66 min
Jul 22, 4:20 PM EDT	Severe Thunderstorm Warning	PBZ	Carroll, Columbiana	40 min
Jul 22, 4:45 PM EDT	Severe Thunderstorm Warning	PBZ	Columbiana	45 min
Jul 22, 6:30 PM EDT	Severe Thunderstorm Warning	PBZ	Belmont	30 min
Jul 22, 7:04 PM EDT	Severe Thunderstorm Warning	PBZ	Belmont	29 min
Jul 22, 7:12 PM EDT	Special Weather Statement	PBZ	Belmont, Carroll, Columbiana, Guernsey, Harrison, Jefferson and 3 more	33 min
Jul 22, 7:58 PM EDT	Special Weather Statement	PBZ	Belmont	32 min
Jul 22, 7:49 PM EDT	Special Weather Statement	PBZ	Marshall	26 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; radar from the NEXRAD Level II archive.