Alert archive / Pennsylvania / Flash Flood Warnings in 2024
Flash Flood Warning 15, NWS Pittsburgh, PA
NWS Pittsburgh, PA issued this flash flood warning at May 5, 2024, 7:33 PM EDT for Allegheny County, Washington County, Westmoreland County, Pennsylvania. It was in force for 2 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 5, 2024, 7:33 PM EDT (23:33 UTC)
- Expired
- May 5, 2024, 9:48 PM EDT
- In force
- 2 hr
- Issued by
- NWS Pittsburgh, PA
- Area
- Storm-based polygon
- Flood severity
- None
Counties Allegheny County, PA, Washington County, PA, Westmoreland County, PA
The radar
The Pittsburgh radar (KPBZ), 36 km from the middle of the area, began a volume at 23:37 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.
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 5, 5:11 PM EDT, 2 hours 22 minutes earlier.
Area forecast discussion, May 5, 5:11 PM EDT, 2 hours 22 minutes before
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Special weather statement, May 5, 2:43 PM EDT, 4 hours 50 minutes before
Special Weather Statement
National Weather Service Pittsburgh PA
243 PM EDT Sun May 5 2024
PAZ007-051930-
Mercer PA-
243 PM EDT Sun May 5 2024
...A STRONG THUNDERSTORM WILL IMPACT SOUTHWESTERN MERCER COUNTY
THROUGH 330 PM EDT...
At 242 PM EDT, Doppler radar was tracking a strong thunderstorm near
Vienna Center, or near Sharon, moving east at 20 mph.
HAZARD...Wind gusts up to 40 mph and half inch hail.
SOURCE...Radar indicated.
IMPACT...Gusty winds could knock down tree limbs and blow around
unsecured objects. Minor hail damage to vegetation is
possible.
Locations impacted include...
Hermitage, Sharon, Sharpsville, Farrell, West Middlesex, Clark, and
Wheatland.
This includes the following highways...
Interstate 80 in Pennsylvania between mile markers 0 and 9.
Interstate 376 in Pennsylvania between mile markers 0 and 3.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If outdoors, consider seeking shelter inside a building.
Frequent cloud to ground lightning is occurring with this storm.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.
This storm may intensify, so be certain to monitor local radio
stations and available television stations for additional information
and possible warnings from the National Weather Service.
&&
LAT...LON 4138 8031 4113 8034 4114 8052 4137 8052
TIME...MOT...LOC 1842Z 275DEG 17KT 4128 8061
MAX HAIL SIZE...0.50 IN
MAX WIND GUST...40 MPH
MLBSpecial weather statement, May 5, 3:29 PM EDT, 4 hours 4 minutes before
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Special Weather Statement
National Weather Service Pittsburgh PA
441 PM EDT Sun May 5 2024
PAZ007-013-014-052130-
Butler PA-Lawrence PA-Mercer PA-
441 PM EDT Sun May 5 2024
...A STRONG THUNDERSTORM WILL IMPACT SOUTHEASTERN MERCER...
NORTHEASTERN LAWRENCE AND NORTHWESTERN BUTLER COUNTIES THROUGH 530 PM
EDT...
At 440 PM EDT, Doppler radar was tracking a strong thunderstorm over
Slippery Rock, or near Grove City, moving east at 20 mph.
HAZARD...Wind gusts up to 40 mph and pea size hail.
SOURCE...Radar indicated.
IMPACT...Gusty winds could knock down tree limbs and blow around
unsecured objects. Minor hail damage to vegetation is
possible.
Locations impacted include...
Grove City, Slippery Rock, Harrisville, Plain Grove Township, West
Liberty, Harlansburg, West Sunbury, Cherry Valley, and Boyers.
This includes Interstate 79 in Pennsylvania between mile markers 104
and 115.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If outdoors, consider seeking shelter inside a building.
Frequent cloud to ground lightning is occurring with this storm.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.
&&
LAT...LON 4102 8021 4117 8017 4116 7981 4094 7987
TIME...MOT...LOC 2040Z 279DEG 17KT 4108 8010
MAX HAIL SIZE...0.25 IN
MAX WIND GUST...40 MPH
MLBSpecial weather statement, May 5, 5:09 PM EDT, 2 hours 24 minutes before
Special Weather Statement
National Weather Service Pittsburgh PA
509 PM EDT Sun May 5 2024
OHZ059-069-WVZ004-052200-
Monroe OH-Belmont OH-Marshall WV-
509 PM EDT Sun May 5 2024
...A STRONG THUNDERSTORM WILL IMPACT NORTHEASTERN MONROE...EASTERN
BELMONT AND MARSHALL COUNTIES THROUGH 600 PM EDT...
At 509 PM EDT, Doppler radar was tracking a strong thunderstorm 8
miles northeast of Woodsfield, moving northeast at 25 mph.
HAZARD...Wind gusts up to 50 mph.
SOURCE...Radar indicated.
IMPACT...Gusty winds could knock down tree limbs and blow around
unsecured objects.
Locations impacted include...
Moundsville, St. Clairsville, Bellaire, Shadyside, McMechen, Powhatan
Point, Glen Dale, Beallsville, Neffs, Wilson, Somerton, Alledonia,
Glendale, Grand Vue Park, and Grove Oak.
This includes Interstate 70 in Ohio between mile markers 217 and 221.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If outdoors, consider seeking shelter inside a building.
Frequent cloud to ground lightning is occurring with this storm.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.
&&
LAT...LON 3979 8101 3990 8114 4010 8086 3991 8065
TIME...MOT...LOC 2109Z 238DEG 21KT 3986 8104
MAX HAIL SIZE...0.00 IN
MAX WIND GUST...50 MPH
MLBSpecial weather statement, May 5, 6:49 PM EDT, 44 minutes before
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</html>The office that day
Everything else NWS Pittsburgh, PA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 5, 2:43 PM EDT | Special Weather Statement | PBZ | Mercer | 47 min |
| May 5, 3:29 PM EDT | Special Weather Statement | PBZ | Mercer | 46 min |
| May 5, 4:41 PM EDT | Special Weather Statement | PBZ | Butler | 49 min |
| May 5, 6:49 PM EDT | Special Weather Statement | PBZ | Washington | 41 min |
| May 5, 5:09 PM EDT | Special Weather Statement | PBZ | Belmont | 51 min |
Nearby
Flash Flood Warnings in Pennsylvania, 2024Every 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; radar from the NEXRAD Level II archive.