Alert archive / West Virginia / Flash Flood Warnings in 2024

Flash Flood Warning 28, NWS Pittsburgh, PA

May 25, 2024Fayette County, Greene County, Pennsylvania; Marion County, Monongalia County, Preston County, West Virginia

NWS Pittsburgh, PA issued this flash flood warning at May 25, 2024, 10:46 PM EDT for Fayette County, Greene County, Pennsylvania; Marion County, Monongalia County, Preston County, West Virginia. It was in force for 3 hr. 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 25, 2024, 10:46 PM EDT (02:46 UTC)
Expired: May 26, 2024, 1:45 AM EDT
In force: 3 hr
Issued by: NWS Pittsburgh, PA
Area: Storm-based polygon
Flood severity: None

Counties Fayette County, PA, Greene County, PA, Marion County, WV, Monongalia County, WV, Preston County, WV

The radar

The Pittsburgh radar (KPBZ), 97 km from the middle of the area, began a volume at 02:48 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

Pittsburgh, PA (KPIT), launched 00:00Z, 2.8 hours before the alert went out and 82 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: 166 J/kg
Mixed-layer CIN: -99 J/kg
Mixed-layer LCL: 1122 m above ground
0-6 km bulk shear: 39 kt
0-1 km storm-relative helicity: -78 m²/s²
0-3 km storm-relative helicity: -46 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 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 May 25, 8:22 PM EDT, 2 hours 24 minutes earlier.

Area forecast discussion, May 25, 8:22 PM EDT, 2 hours 24 minutes before

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Hazardous weather outlook, May 25, 11:42 AM EDT, 11 hours 4 minutes before

Hazardous Weather Outlook
National Weather Service Pittsburgh PA
1142 AM EDT Sat May 25 2024

OHZ040-041-049-050-059-069-PAZ007>009-013>016-020>022-029-031-
073>078-WVZ001>004-012-021-509>514-261545-
Carroll-Columbiana-Harrison-Jefferson OH-Belmont-Monroe-Mercer-
Venango-Forest-Lawrence-Butler-Clarion-Jefferson PA-Beaver-Allegheny-
Armstrong-Washington-Greene-Westmoreland-
Higher Elevations of Westmoreland-Fayette-
Higher Elevations of Fayette-Indiana-Higher Elevations of Indiana-
Hancock-Brooke-Ohio-Marshall-Wetzel-Marion-Monongalia-
Ridges of Eastern Monongalia and Northwestern Preston-Preston-
Eastern Preston-Western Tucker-Eastern Tucker-
1142 AM EDT Sat May 25 2024

This Hazardous Weather Outlook is for east central Ohio, western
Pennsylvania, and northern West Virginia.

.DAY ONE...This afternoon and tonight.

Scattered thunderstorms will develop this morning and into this
evening. Some severe storms are possible with the main threat being
be damaging wind gusts, large hail, and excessive rainfall that
could lead to flash flooding.

.DAYS TWO THROUGH SEVEN...Sunday through Friday.

Additional showers and thunderstorms will develop Sunday night and
the risk for excessive rainfall that could lead to flash flooding
increases overnight Sunday into Monday morning.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

OHZ039-048-057-058-068-261545-
Tuscarawas-Coshocton-Muskingum-Guernsey-Noble-
1142 AM EDT Sat May 25 2024

This Hazardous Weather Outlook is for east central Ohio.

.DAY ONE...This afternoon and tonight.

Scattered thunderstorms will develop this morning and into this
evening. Some severe storms are possible with the main threat being
be damaging wind gusts, large hail, and excessive rainfall that
could lead to flash flooding.

.DAYS TWO THROUGH SEVEN...Sunday through Friday.

Additional showers and thunderstorms will develop Sunday night and
the risk for both marginal severe weather and excessive rainfall
that could lead to flash flooding increases overnight Sunday into
Monday morning.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

MLB

In the hours before

Local storm report, May 25, 9:02 PM EDT, 1 hour 44 minutes before

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Local storm report, May 25, 9:07 PM EDT, 1 hour 39 minutes before

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Local storm report, May 25, 9:31 PM EDT, 1 hour 15 minutes before

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Local storm report, May 25, 9:39 PM EDT, 1 hour 7 minutes before

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Local storm report, May 25, 10:01 PM EDT, 45 minutes before

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Local storm report, May 25, 10:06 PM EDT, 40 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
May 25, 9:32 PM EDT	Flash Flood Warning	PBZ	Fayette, Greene	3 hr
May 26, 12:00 AM EDT	Dense Fog Advisory	PBZ	Allegheny, Armstrong, Beaver, Butler, Clarion, Fayette and 9 more	8 hr
May 26, 6:12 PM EDT	Severe Thunderstorm Warning	PBZ	Greene, Washington	48 min
May 26, 6:58 PM EDT	Severe Thunderstorm Warning	PBZ	Allegheny, Beaver, Greene, Washington	47 min
May 26, 7:29 PM EDT	Severe Thunderstorm Warning	PBZ	Allegheny, Fayette, Greene, Washington, Westmoreland	61 min
May 26, 7:44 PM EDT	Special Weather Statement	PBZ	Allegheny, Beaver, Butler, Lawrence	31 min
May 25, 9:17 PM EDT	Severe Thunderstorm Warning	PBZ	Marshall, Wetzel	43 min
May 25, 9:53 PM EDT	Severe Thunderstorm Warning	PBZ	Marshall	52 min
May 25, 10:40 PM EDT	Severe Thunderstorm Warning	PBZ	Marshall, Wetzel	24 min
May 25, 10:59 PM EDT	Flash Flood Warning	PBZ	Wetzel	3 hr
May 26, 1:25 AM EDT	Flash Flood Warning	PBZ	Preston, Tucker	3 hr
May 26, 5:37 PM EDT	Severe Thunderstorm Warning	PBZ	Marshall, Wetzel	38 min
May 26, 6:32 PM EDT	Tornado Warning	PBZ	Brooke, Marshall	13 min
May 26, 7:07 PM EDT	Severe Thunderstorm Warning	PBZ	Marion, Monongalia, Preston, Tucker, Wetzel	53 min
May 25, 8:48 PM EDT	Severe Thunderstorm Warning	PBZ	Guernsey, Muskingum, Noble	42 min
May 26, 4:24 PM EDT	Severe Thunderstorm Warning	PBZ	Guernsey, Muskingum, Noble	51 min
May 26, 4:58 PM EDT	Severe Thunderstorm Warning	PBZ	Coshocton, Guernsey, Muskingum, Noble	47 min
May 26, 5:35 PM EDT	Severe Thunderstorm Warning	PBZ	Belmont, Carroll, Columbiana, Coshocton, Guernsey, Harrison and 2 more	40 min
May 26, 6:10 PM EDT	Severe Thunderstorm Warning	PBZ	Belmont, Carroll, Columbiana, Harrison, Jefferson, Tuscarawas	65 min

Nearby

Flash Flood Warnings in West Virginia, 2024 Flash Flood Warnings in Pennsylvania, 2024 Every flash flood warning in 2024

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.