Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 2023

Severe Thunderstorm Warning 4, NWS Pittsburgh, PA

March 25, 20234 counties in Pennsylvania

NWS Pittsburgh, PA issued this severe thunderstorm warning at Mar 25, 2023, 3:25 PM EDT for 4 counties in Pennsylvania. It was in force for 31 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: Mar 25, 2023, 3:25 PM EDT (19:25 UTC)
Expired: Mar 25, 2023, 3:56 PM EDT
In force: 31 min
Issued by: NWS Pittsburgh, PA
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

Counties Butler County, PA, Clarion County, PA, Forest County, PA, Venango County, PA

The radar

The Pittsburgh radar (KPBZ), 97 km from the middle of the area, began a volume at 19:26 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
Mar 25, 1:01 PM EDT	Severe Thunderstorm Watch	SPC	4 hr

The nearest sounding before it

Pittsburgh, PA (KPIT), launched 12:00Z, 7.4 hours before the alert went out and 104 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 502 m above ground
0-6 km bulk shear: 69 kt
0-1 km storm-relative helicity: 1020 m²/s²
0-3 km storm-relative helicity: 1254 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

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 Mar 25, 1:56 PM EDT, 1 hour 29 minutes earlier.

Area forecast discussion, Mar 25, 1:56 PM EDT, 1 hour 29 minutes before

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Hazardous weather outlook, Mar 25, 1:05 PM EDT, 2 hours 20 minutes before

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In the hours before

Special weather statement, Mar 25, 2:16 PM EDT, 1 hour 9 minutes before

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Special weather statement, Mar 25, 2:43 PM EDT, 42 minutes before

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Special weather statement, Mar 25, 2:49 PM EDT, 36 minutes before

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Local storm report, Mar 25, 2:55 PM EDT, 30 minutes before

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Local storm report, Mar 25, 3:00 PM EDT, 25 minutes before

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Special weather statement, Mar 25, 3:01 PM EDT, 24 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 25, 1:31 PM EDT	Special Weather Statement	PBZ	Lawrence	29 min
Mar 25, 1:50 PM EDT	Special Weather Statement	PBZ	Venango	25 min
Mar 25, 2:10 PM EDT	Special Weather Statement	PBZ	Westmoreland	35 min
Mar 25, 2:16 PM EDT	Special Weather Statement	PBZ	Butler	29 min
Mar 25, 2:49 PM EDT	Special Weather Statement	PBZ	Mercer	26 min
Mar 25, 3:01 PM EDT	Special Weather Statement	PBZ	Lawrence	29 min
Mar 25, 3:10 PM EDT	Severe Thunderstorm Warning	PBZ	Butler, Lawrence, Mercer, Venango	35 min
Mar 25, 4:59 PM EDT	Special Weather Statement	PBZ	Clarion	31 min
Mar 25, 5:05 PM EDT	Severe Thunderstorm Warning	PBZ	Armstrong, Clarion, Jefferson	25 min
Mar 25, 5:22 PM EDT	Special Weather Statement	PBZ	Jefferson	8 min
Mar 25, 2:43 PM EDT	Special Weather Statement	PBZ	Columbiana	32 min

Nearby

Severe Thunderstorm Warnings in Pennsylvania, 2023 Every severe thunderstorm warning in 2023

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.