Alert archive / Pennsylvania / Flash Flood Warnings in 2025

Flash Flood Warning 76, NWS Pittsburgh, PA

June 19, 2025Butler County, Mercer County, Venango County, Pennsylvania

NWS Pittsburgh, PA issued this flash flood warning at Jun 19, 2025, 3:55 PM EDT for Butler County, Mercer County, Venango County, Pennsylvania. It was in force for 92 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 19, 2025, 3:55 PM EDT (19:55 UTC)
Expired: Jun 19, 2025, 5:27 PM EDT
In force: 92 min
Issued by: NWS Pittsburgh, PA
Area: Storm-based polygon
Flood severity: None

Counties Butler County, PA, Mercer County, PA, Venango County, PA

The radar

The Pittsburgh radar (KPBZ), 78 km from the middle of the area, began a volume at 19:54 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

Detroit, MI (KDTX), launched 12:00Z, 7.9 hours before the alert went out and 332 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: 27 J/kg
Mixed-layer CIN: 0 J/kg
Mixed-layer LCL: 491 m above ground
0-6 km bulk shear: 32 kt
0-1 km storm-relative helicity: 60 m²/s²
0-3 km storm-relative helicity: 67 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 flash flood 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 flash flood warning went out at Jun 19, 1:37 PM EDT, 2 hours 18 minutes earlier.

Area forecast discussion, Jun 19, 1:37 PM EDT, 2 hours 18 minutes before

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Hazardous weather outlook, Jun 19, 12:07 PM EDT, 3 hours 48 minutes before

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In the hours before

Local storm report, Jun 19, 3:09 PM EDT, 46 minutes before

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Local storm report, Jun 19, 3:10 PM EDT, 45 minutes before

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Local storm report, Jun 19, 3:20 PM EDT, 35 minutes before

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Local storm report, Jun 19, 3:22 PM EDT, 33 minutes before

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      <p id="message2">
        Please try again in a few minutes.
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        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
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Local storm report, Jun 19, 3:24 PM EDT, 31 minutes before

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      <h1 id="headline">This service is currently unavailable.</h1>
      <p id="message1">
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      <p id="message2">
        Please try again in a few minutes.
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      <p class="small" id="detail">
        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
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Local storm report, Jun 19, 3:30 PM EDT, 25 minutes before

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  <main class="wrap">
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      <h1 id="headline">This service is currently unavailable.</h1>
      <p id="message1">
        The site you requested is temporarily down for maintenance or an unexpected outage.
      </p>
      <p id="message2">
        Please try again in a few minutes.
      </p>
      <p class="small" id="detail">
        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
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The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 18, 10:01 PM EDT	Severe Thunderstorm Warning Considerable damage threat	PBZ	Beaver, Lawrence, Mercer, Washington	59 min
Jun 18, 10:54 PM EDT	Severe Thunderstorm Warning	PBZ	Allegheny, Armstrong, Beaver, Butler, Clarion, Forest and 5 more	66 min
Jun 18, 10:57 PM EDT	Severe Thunderstorm Warning	PBZ	Greene, Washington	63 min
Jun 18, 11:57 PM EDT	Severe Thunderstorm Warning	PBZ	Allegheny, Armstrong, Butler, Clarion, Forest, Indiana and 3 more	63 min
Jun 19, 4:59 PM EDT	Severe Thunderstorm Warning	PBZ	Allegheny, Armstrong, Indiana, Westmoreland	46 min
Jun 19, 5:42 PM EDT	Severe Thunderstorm Warning	PBZ	Indiana	22 min
Jun 19, 5:50 PM EDT	Severe Thunderstorm Warning	PBZ	Indiana, Westmoreland	25 min
Jun 18, 10:06 PM EDT	Severe Thunderstorm Warning	PBZ	Brooke, Marshall, Ohio	54 min
Jun 19, 2:15 PM EDT	Severe Thunderstorm Warning	PBZ	Hancock	45 min
Jun 19, 2:27 PM EDT	Severe Thunderstorm Warning	PBZ	Marion, Monongalia, Wetzel	48 min
Jun 19, 3:12 PM EDT	Severe Thunderstorm Warning	PBZ	Marion, Monongalia, Preston	55 min
Jun 18, 8:34 PM EDT	Severe Thunderstorm Warning	PBZ	Coshocton, Muskingum	56 min
Jun 18, 9:17 PM EDT	Severe Thunderstorm Warning	PBZ	Belmont, Carroll, Columbiana, Coshocton, Guernsey, Harrison and 3 more	58 min
Jun 18, 9:29 PM EDT	Severe Thunderstorm Warning	PBZ	Coshocton, Muskingum	16 min

Nearby

Flash Flood Warnings in Pennsylvania, 2025 Every flash flood 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.