Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 2010

Severe Thunderstorm Warning 91, NWS Pittsburgh, PA

June 5, 20105 counties in Pennsylvania

NWS Pittsburgh, PA issued this severe thunderstorm warning at Jun 5, 2010, 2:27 PM EDT for 5 counties in Pennsylvania. It was in force for 48 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: Jun 5, 2010, 2:27 PM EDT (18:27 UTC)
Expired: Jun 5, 2010, 3:15 PM EDT
In force: 48 min
Issued by: NWS Pittsburgh, PA
Area: Storm-based polygon

Counties Armstrong County, PA, Butler County, PA, Lawrence County, PA, Mercer County, PA, Venango County, PA

The radar

The Pittsburgh radar (KPBZ), 66 km from the middle of the area, began a volume at 18:27 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
Jun 5, 2:08 PM EDT	Severe Thunderstorm Watch	SPC	6 hr

The nearest sounding before it

Pittsburgh, PA (KPIT), launched 12:00Z, 6.5 hours before the alert went out and 76 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: 120 J/kg
Mixed-layer CIN: -71 J/kg
Mixed-layer LCL: 1013 m above ground
0-6 km bulk shear: 46 kt
0-1 km storm-relative helicity: 171 m²/s²
0-3 km storm-relative helicity: 190 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.9

Open this sounding in Storm Lab

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 Jun 5, 1:39 PM EDT, 48 minutes earlier.

Area forecast discussion, Jun 5, 1:39 PM EDT, 48 minutes before

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Hazardous weather outlook, Jun 5, 9:47 AM EDT, 4 hours 40 minutes before

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In the hours before

Special weather statement, Jun 5, 8:48 AM EDT, 5 hours 39 minutes before

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Local storm report, Jun 5, 9:30 AM EDT, 4 hours 57 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE PITTSBURGH PA
930 AM EDT SAT JUN 05 2010

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

0921 AM     FLOOD            SHERRODSVILLE           40.49N 81.24W
06/05/2010                   CARROLL            OH   EMERGENCY MNGR

            THE TOWN OF SHERRODSVILLE IS REPORTING FLOODING. THE
            CONOTTON CREEK IS FLOWING OUT OF ITS BANKS...AND NUMEROUS
            STREETS ARE CLOSED DUE TO THE FLOODING.

&&

JDARNLEY

Special weather statement, Jun 5, 1:50 PM EDT, 37 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PITTSBURGH PA
150 PM EDT SAT JUN 5 2010

OHZ048-057-058-051845-
COSHOCTON OH-GUERNSEY OH-MUSKINGUM OH-
150 PM EDT SAT JUN 5 2010

...THUNDERSTORMS TO MOVE THROUGH THE FOLLOWING
COUNTIES...MUSKINGUM...GUERNSEY AND COSHOCTON...

AT 145 PM EDT NATIONAL WEATHER SERVICE DOPPLER RADAR IN PITTSBURGH
INDICATED STRONG THUNDERSTORMS 9 MILES WEST OF COOPERDALE...OR ABOUT
8 MILES SOUTHWEST OF NEW GUILFORD...MOVING EAST AT 15 MPH. THIS
STORMS MAY PRODUCE DIME SIZE HAIL AND WIND GUSTS TO 40 MPH.

SOME LOCATIONS THAT WILL BE IMPACTED BY THESE STORMS INCLUDE...
  COOPERDALE...         WEST LAFAYETTE...     PLAINFIELD...
  OTSEGO...             FERNCLIFF...          COSHOCTON...
  CONESVILLE...         ADAMSVILLE...

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.

LAT...LON 4022 8218 4023 8219 4028 8220 4034 8166
      4004 8173 4008 8220

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 4, 8:07 PM EDT	Severe Thunderstorm Warning	PBZ	Fayette, Greene, Washington	58 min
Jun 4, 8:25 PM EDT	Severe Thunderstorm Warning	PBZ	Forest	17 min
Jun 5, 3:15 AM EDT	Flash Flood Watch	PBZ	Allegheny, Armstrong, Beaver, Butler, Clarion, Forest and 6 more	32 hr
Jun 5, 2:59 PM EDT	Severe Thunderstorm Warning	PBZ	Armstrong, Butler, Clarion	46 min
Jun 5, 4:20 PM EDT	Severe Thunderstorm Warning	PBZ	Fayette, Greene, Washington	55 min
Jun 5, 4:26 PM EDT	Severe Thunderstorm Warning	PBZ	Allegheny, Beaver, Washington	64 min
Jun 5, 4:41 PM EDT	Tornado Warning	PBZ	Fayette, Greene	49 min
Jun 5, 5:02 PM EDT	Flash Flood Warning	PBZ	Allegheny	3 hr
Jun 5, 5:07 PM EDT	Severe Thunderstorm Warning	PBZ	Fayette, Washington	38 min
Jun 5, 5:14 PM EDT	Severe Thunderstorm Warning	PBZ	Greene	46 min
Jun 5, 5:21 PM EDT	Flash Flood Warning	PBZ	Westmoreland	3 hr
Jun 5, 5:38 PM EDT	Severe Thunderstorm Warning	PBZ	Greene	67 min
Jun 5, 7:59 PM EDT	Areal Flood Warning	PBZ	Allegheny	3 hr
Jun 4, 8:16 PM EDT	Severe Thunderstorm Warning	PBZ	Guernsey, Muskingum, Noble	59 min
Jun 4, 8:30 PM EDT	Severe Thunderstorm Warning	PBZ	Belmont	60 min
Jun 4, 8:40 PM EDT	Areal Flood Warning	PBZ	Belmont, Guernsey, Muskingum	4 hr
Jun 5, 4:31 AM EDT	Special Weather Statement	PBZ	Carroll, Coshocton, Guernsey, Harrison, Muskingum, Tuscarawas	59 min
Jun 5, 4:53 AM EDT	Severe Thunderstorm Warning	PBZ	Coshocton, Muskingum	52 min
Jun 5, 6:06 AM EDT	Areal Flood Warning	PBZ	Carroll, Coshocton, Harrison, Jefferson, Tuscarawas	6 hr
Jun 5, 8:48 AM EDT	Special Weather Statement	PBZ	Muskingum	57 min
Jun 5, 9:52 AM EDT	Areal Flood Warning	PBZ	Belmont, Guernsey, Monroe, Muskingum, Noble	8 hr
Jun 5, 10:08 AM EDT	River Flood Warning	PBZ	Tuscarawas	24 hr
Jun 5, 1:50 PM EDT	Special Weather Statement	PBZ	Coshocton	55 min
Jun 5, 2:32 PM EDT	Severe Thunderstorm Warning	PBZ	Coshocton, Guernsey, Muskingum, Tuscarawas	43 min
Jun 5, 2:51 PM EDT	Tornado Warning	PBZ	Carroll, Harrison, Tuscarawas	39 min
Jun 5, 3:16 PM EDT	Flash Flood Warning	PBZ	Coshocton, Tuscarawas	3 hr
Jun 5, 3:33 PM EDT	Severe Thunderstorm Warning	PBZ	Belmont, Guernsey, Monroe, Noble	42 min
Jun 5, 3:33 PM EDT	Severe Thunderstorm Warning	PBZ	Carroll, Harrison, Jefferson, Tuscarawas	57 min
Jun 5, 3:34 PM EDT	River Flood Warning	PBZ	Coshocton	18 hr
Jun 5, 4:22 PM EDT	Severe Thunderstorm Warning	PBZ	Belmont, Guernsey, Monroe, Noble	23 min
Jun 5, 4:54 PM EDT	Areal Flood Warning	PBZ	Harrison	4 hr
Jun 5, 5:44 PM EDT	Flash Flood Warning	PBZ	Belmont, Guernsey	4 hr
Jun 5, 6:57 PM EDT	Areal Flood Warning	PBZ	Coshocton, Tuscarawas	17 hr
Jun 5, 4:39 PM EDT	Flash Flood Warning	PBZ	Marshall	3 hr
Jun 5, 6:48 PM EDT	Special Weather Statement	PBZ	Tucker	42 min
Jun 5, 7:07 PM EDT	Areal Flood Warning	PBZ	Wetzel	4 hr

Nearby

Severe Thunderstorm Warnings in Pennsylvania, 2010 Every severe thunderstorm warning in 2010

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.