Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 2025

Severe Thunderstorm Warning 82, NWS Pittsburgh, PA

May 1, 2025Indiana County, Westmoreland County, Pennsylvania

NWS Pittsburgh, PA issued this severe thunderstorm warning at May 1, 2025, 7:12 PM EDT for Indiana County, Westmoreland County, Pennsylvania. It was in force for 37 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
May 1, 2025, 7:12 PM EDT (23:12 UTC)
Expired
May 1, 2025, 7:49 PM EDT
In force
37 min
Issued by
NWS Pittsburgh, PA
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

Counties Indiana County, PA, Westmoreland County, PA

The radar

The Pittsburgh radar (KPBZ), 80 km from the middle of the area, began a volume at 23:12 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.

IssuedProductOfficeLasted
May 1, 6:35 PM EDTSevere Thunderstorm WatchSPC4 hr

The nearest sounding before it

Pittsburgh, PA (KPIT), launched 12:00Z, 11.2 hours before the alert went out and 70 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-pSkew-T log-p diagram, Pittsburgh, PA at 12:00Z on 2025-05-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 14 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Pittsburgh, PA at 12:00Z on 2025-05-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 145 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
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
14 J/kg
Mixed-layer CIN
-168 J/kg
Mixed-layer LCL
1293 m above ground
0-6 km bulk shear
38 kt
0-1 km storm-relative helicity
145 m²/s²
0-3 km storm-relative helicity
177 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

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 May 1, 4:12 PM EDT, 3 hours earlier.

Area forecast discussion, May 1, 4:12 PM EDT, 3 hours before
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Hazardous weather outlook, May 1, 4:17 PM EDT, 2 hours 55 minutes before
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In the hours before

Local storm report, May 1, 1:29 PM EDT, 5 hours 43 minutes before
Preliminary Local Storm Report
National Weather Service Pittsburgh PA
129 PM EDT Thu May 1 2025

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

0442 PM     Tstm Wnd Dmg     1 NW Glenmoor           40.68N 80.63W
04/29/2025                   Columbiana         OH   Public

            Trees down from high thunderstorm wind.

0442 PM     Tstm Wnd Dmg     1 NE Wheeling           40.08N 80.69W
04/29/2025                   Ohio               WV   Public

            Tree snapped and down on roof of house.

0452 PM     Tstm Wnd Dmg     2 E Burgettstown        40.38N 80.36W
04/29/2025                   Washington         PA   Public

            Trees down. Siding and shingles removed from
            homes.

0453 PM     Tstm Wnd Gst     3 S West Alexander      40.06N 80.51W
04/29/2025  M77 MPH          Washington         PA   Public

            Measured on a home weather sensor along
            Chambers Ridge Rd.

0457 PM     Tstm Wnd Dmg     2 NW Carnot-Moon        40.54N 80.25W
04/29/2025                   Allegheny          PA   Public

            Numerous trees down off of Scottsdale Dr.

0457 PM     Tstm Wnd Dmg     Imperial-Enlow          40.45N 80.25W
04/29/2025                   Allegheny          PA   Public

0457 PM     Tstm Wnd Dmg     2 S Beaver              40.66N 80.31W
04/29/2025                   Beaver             PA   Public

            Shingles off roof and outbuilding lost roof.

0457 PM     Tstm Wnd Dmg     2 W South Heights       40.56N 80.28W
04/29/2025                   Beaver             PA   Public

            Large tree trunk snapped.

0459 PM     Tstm Wnd Dmg     1 SW Leetsdale          40.56N 80.23W
04/29/2025                   Allegheny          PA   Public

            Tree down on power lines.

0500 PM     Tstm Wnd Dmg     1 WNW Sturgeon          40.39N 80.22W
04/29/2025                   Allegheny          PA   Public

            A number of trees down along School Ave.

0500 PM     Tstm Wnd Dmg     2 E Imperial-Enlow      40.46N 80.21W
04/29/2025                   Allegheny          PA   Public

0500 PM     Tstm Wnd Dmg     2 E Imperial-Enlow      40.46N 80.21W
04/29/2025                   Allegheny          PA   Public

            Trees down along Rogers Drive. Also, lamp
            post bent and fence down in neighborhood.

0500 PM     Tstm Wnd Dmg     2 W South Heights       40.56N 80.28W
04/29/2025                   Beaver             PA   Public

0501 PM     Tstm Wnd Dmg     2 NW Oakdale            40.43N 80.20W
04/29/2025                   Allegheny          PA   Public

            Multiple mature pine trees down with trunks
            snapped.

0501 PM     Tstm Wnd Dmg     3 W Robinson Township   40.48N 80.17W
04/29/2025                   Allegheny          PA   Public

            Trees down along Bertley Ridge Drive.
            Shingles removed from multiple homes in
            neighborhood.

0501 PM     Tstm Wnd Dmg     1 NW Cecil-Bishop       40.32N 80.20W
04/29/2025                   Washington         PA   Public

            Multiple trees snapped in Cecil Township.

0503 PM     Tstm Wnd Dmg     1 W Robinson Township   40.46N 80.15W
04/29/2025                   Allegheny          PA   Public

            Shingles and fascia damage along Sonni Ln.
            Heavy deck furniture was thrown from a
            covered porch.

0504 PM     Tstm Wnd Dmg     1 NNE Emsworth          40.52N 80.09W
04/29/2025                   Allegheny          PA   NWS Employee

            Tree blown down across Camp Horne Rd.

0504 PM     Tstm Wnd Dmg     2 SW Thompsonville      40.26N 80.15W
04/29/2025                   Washington         PA   Public

            Several downed trees, numerous branches
            down, shingle and siding damage to houses.

0505 PM     Tstm Wnd Dmg     1 SW Carnegie           40.40N 80.10W
04/29/2025                   Allegheny          PA   Public

            Siding and shingles removed from homes.
            Multiple trees down.

0505 PM     Tstm Wnd Dmg     1 W Bradford Woods      40.64N 80.10W
04/29/2025                   Allegheny          PA   Public

            Oak tree uprooted. Multiple trees snapped,
            and power poles down along Neely School Rd.

0505 PM     Tstm Wnd Dmg     Rosslyn Farms           40.42N 80.09W
04/29/2025                   Allegheny          PA   Public

            Large limbs snapped off healthy tree.
            Another healthy tree trunk snapped.

0505 PM     Tstm Wnd Dmg     2 SSW Thompsonville     40.26N 80.13W
04/29/2025                   Washington         PA   Public

0505 PM     Tstm Wnd Dmg     2 SSW Thompsonville     40.26N 80.13W
04/29/2025                   Washington         PA   Public

0505 PM     Tstm Wnd Dmg     2 SSW Thompsonville     40.26N 80.13W
04/29/2025                   Washington         PA   Public

            Several large trees down along Robinhood
            Lane near Waterdam Road, including onto a
            house. House has been rendered
            uninhabitable.

0507 PM     Tstm Wnd Dmg     Crafton                 40.44N 80.07W
04/29/2025                   Allegheny          PA   Public

            Multiple large trees snapped and uprooted.

0508 PM     Tstm Wnd Dmg     1 SE Dormont            40.38N 80.03W
04/29/2025                   Allegheny          PA   Public

            Widespread tree damage.

0509 PM     Tstm Wnd Dmg     2 E McCandless Township 40.58N 80.00W
04/29/2025                   Allegheny          PA   Public

            Large trees uprooted. Large branches and
            limbs down.

0510 PM     Tstm Wnd Dmg     2 SE Millvale           40.47N 79.95W
04/29/2025                   Allegheny          PA   NWS Employee

            Large limbs snapped off a healthy tree along
            Penn Ave across from St Marys Cemetery.

0511 PM     Tstm Wnd Dmg     1 S Pittsburgh          40.43N 79.98W
04/29/2025                   Allegheny          PA   Public

            Awnings ripped off homes in South Side.

0511 PM     Tstm Wnd Dmg     1 N Brentwood           40.39N 79.98W
04/29/2025                   Allegheny          PA   Public

            Tree down on Waterman Ave.

0512 PM     Tstm Wnd Dmg     2 N Hampton Township    40.62N 79.94W
04/29/2025                   Allegheny          PA   Public

            Numerous treetops sheared off along Cook Rd.

0512 PM     Tstm Wnd Dmg     2 N Hampton Township    40.62N 79.94W
04/29/2025                   Allegheny          PA   Public

0512 PM     Tstm Wnd Dmg     1 SE Hampton Township   40.58N 79.95W
04/29/2025                   Allegheny          PA   Public

            Numerous trees down.

0514 PM     Tstm Wnd Dmg     2 N Fox Chapel          40.55N 79.89W
04/29/2025                   Allegheny          PA   Public

            Numerous trees down.

0515 PM     Tstm Wnd Dmg     Turtle Creek            40.41N 79.82W
04/29/2025                   Allegheny          PA   Public

            Uprooted tree.

0516 PM     Tstm Wnd Dmg     1 W Russellton          40.62N 79.86W
04/29/2025                   Allegheny          PA   Public

            Multiple trees down.

0516 PM     Tstm Wnd Dmg     Oakmont                 40.53N 79.84W
04/29/2025                   Allegheny          PA   Public

            Numerous large trees down in Oakmont,
            several on houses.

0516 PM     Tstm Wnd Dmg     Edgewood                40.44N 79.88W
04/29/2025                   Allegheny          PA   Public

            Multiple trees down in a concentrated area.
            Structural wall blown out nearby.

0516 PM     Tstm Wnd Dmg     Port Vue                40.34N 79.87W
04/29/2025                   Allegheny          PA   Public

            Large tree snapped. Small limbs removed from
            numerous trees.

0517 PM     Tstm Wnd Dmg     1 N Churchill           40.45N 79.84W
04/29/2025                   Allegheny          PA   Public

            Multiple trees down, numerous more with
            snapped limbs. Shingles removed from roof.

0517 PM     Tstm Wnd Dmg     Churchill               40.44N 79.85W
04/29/2025                   Allegheny          PA   Public

            Trees down in William Penn Memorial
            Cemetery.

0517 PM     Tstm Wnd Dmg     Mars                    40.69N 80.01W
04/29/2025                   Butler             PA   Public

            Trees/wires down, on fire.

0519 PM     Tstm Wnd Dmg     Monongahela             40.20N 79.93W
04/29/2025                   Washington         PA   Public

            Trees and branches down around town.

0520 PM     Tstm Wnd Gst     1 W Churchill           40.44N 79.86W
04/29/2025  M75 MPH          Allegheny          PA   Mesonet

0520 PM     Tstm Wnd Dmg     1 NW Pitcairn           40.42N 79.78W
04/29/2025                   Allegheny          PA   Public

            Numerous trees sheared off. Power poles
            down.

0522 PM     Tstm Wnd Dmg     2 NE Plum               40.53N 79.74W
04/29/2025                   Allegheny          PA   Public

            Numerous trees damaged in the area.

0522 PM     Tstm Wnd Dmg     3 NW Saxonburg          40.80N 79.85W
04/29/2025                   Butler             PA   Public

            Multiple large trees down.

0523 PM     Tstm Wnd Dmg     1 NNW Murrsyville       40.44N 79.71W
04/29/2025                   Allegheny          PA   Public

            Trees down. Shingles, soffits and fascia
            removed from homes along Wiltshire Circle.

0524 PM     Tstm Wnd Dmg     1 NNE Murrsyville       40.44N 79.69W
04/29/2025                   Westmoreland       PA   Public

            Several large trees uprooted and numerous
            others with large limbs sheared off along
            Verner Ct.

0524 PM     Tstm Wnd Dmg     1 N Murrsyville         40.44N 79.69W
04/29/2025                   Westmoreland       PA   Public

            Trees snapped and uprooted.

0525 PM     Tstm Wnd Dmg     NE Murrsyville          40.44N 79.68W
04/29/2025                   Westmoreland       PA   Public

            Hardwood trees snapped, softwood tree
            uprooted.

0525 PM     Tstm Wnd Dmg     2 N Murrsyville         40.44N 79.70W
04/29/2025                   Westmoreland       PA   Public

            Numerous trees down along Kellington Ct,
            uprooted and snapped. Minor roof damage also
            noted.

0526 PM     Tstm Wnd Dmg     4 SE Lower Burrell      40.54N 79.67W
04/29/2025                   Westmoreland       PA   Public

            A number of large trees snapped along Lower
            Drennen Rd.

0526 PM     Tstm Wnd Dmg     2 NNE Murrsyville       40.44N 79.69W
04/29/2025                   Westmoreland       PA   Public

            A large number of trees down along Sardis Rd
            between Verner Ct and Cal-Ken Ct. Home
            damage also reported.

0526 PM     Tstm Wnd Dmg     2 NE Murrsyville        40.44N 79.68W
04/29/2025                   Westmoreland       PA   Public

            Multiple hardwood and softwood trees down
            off Woodcliff Ct.

0527 PM     Tstm Wnd Dmg     2 E Centerville         40.04N 79.93W
04/29/2025                   Washington         PA   Public

            Snapped power pole and four trees downed.

0527 PM     Tstm Wnd Dmg     Twilight                40.11N 79.89W
04/29/2025                   Washington         PA   Public

            A dozen trees dow along State St between
            Maple Dr and Mt Tabor Rd.

0528 PM     Tstm Wnd Dmg     1 N Manor               40.36N 79.67W
04/29/2025                   Westmoreland       PA   Public

            Large trees down.

0530 PM     Tstm Wnd Dmg     West Brownsville        40.03N 79.89W
04/29/2025                   Washington         PA   Public

            Tree snapped and several large branches
            downed.

0542 PM     Tstm Wnd Dmg     3 SW Jacksonville       40.52N 79.32W
04/29/2025                   Indiana            PA   Public

            Trees down, both snapped and uprooted along
            Saltsburg Rd.

0600 PM     Tstm Wnd Dmg     4 W Punxsutawney        40.92N 79.05W
04/29/2025                   Jefferson          PA   Public

            Numerous trees uprooted.

&&

Kramar
Local storm report, May 1, 2:08 PM EDT, 5 hours 4 minutes before
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Local storm report, May 1, 4:35 PM EDT, 2 hours 37 minutes before
Preliminary Local Storm Report
National Weather Service Pittsburgh PA
435 PM EDT Thu May 01 2025

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

0418 PM     Tstm Wnd Dmg     1 E Blissfield          40.40N  81.95W
05/01/2025                   Coshocton          OH   911 Call Center

            Trees down on County Road 25

&&

Event Number PBZ2506900

Kramar
Local storm report, May 1, 5:41 PM EDT, 1 hour 31 minutes before
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Local storm report, May 1, 5:50 PM EDT, 1 hour 22 minutes before
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Local storm report, May 1, 7:11 PM EDT, 1 minute before
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The office that day

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

IssuedProductOfficeCountiesLasted
May 1, 5:26 PM EDTSevere Thunderstorm WarningPBZFayette, Greene49 min
May 1, 5:58 PM EDTSevere Thunderstorm WarningPBZFayette, Westmoreland47 min
May 1, 6:32 PM EDTSevere Thunderstorm WarningPBZFayette, Indiana, Westmoreland43 min
May 1, 3:49 PM EDTSevere Thunderstorm WarningPBZCoshocton, Muskingum41 min
May 1, 4:55 PM EDTSevere Thunderstorm WarningPBZCarroll, Columbiana, Coshocton, Harrison, Jefferson, Tuscarawas50 min

Nearby

Severe Thunderstorm Warnings in Pennsylvania, 2025Every severe thunderstorm warning in 2025

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.