Hail and Damaging Winds in West Virginia, September 21, 2024

Name: Hail and Damaging Winds in West Virginia, September 21, 2024
Start: 2024-09-21T14:08
End: 2024-09-21T15:27
Location: West Virginia

September 21, 2024 · NWS PBZ · 7 events in 2 counties and zones

A mid-level shortwave and upper jet support promoted the development of scattered thunderstorms across portions of far southern Pennsylvania and northern West Virginia during the early to middle afternoon hours of September 21st. Deep-layer shear supported storm organization and rotation, leading to several instances of damaging wind, and a couple isolated reports of large hail.

Where it happened

Every event with a place to put it. Tap one for its entry below.

Tornadoes
Tropical storms and surge
Floods
Wind
Hail
Winter weather
Heat and drought
Cold
Fire, smoke and dust
Marine and coastal
Other

Open the live radar over this ground

The toll

Deaths: 0
Injuries: 0
Property damage: $48,000
Crop damage: None recorded
Events: 7

Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.

What happened

The episode as NWS PBZ wrote it up.

What forecasters said that day

The local office's own words before the first event, 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 the first event at Sep 21, 1:06 PM EST, 1 hour 2 minutes earlier.

Area forecast discussion, Sep 21, 1:06 PM EST, 1 hour 2 minutes before

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Hazardous weather outlook, Sep 21, 11:24 AM EST, 2 hours 44 minutes before

Hazardous Weather Outlook
National Weather Service Pittsburgh PA
1224 PM EDT Sat Sep 21 2024

OHZ039>041-048>050-057>059-068-069-PAZ007-013-020-WVZ001>004-012-021-
221630-
Tuscarawas-Carroll-Columbiana-Coshocton-Harrison-Jefferson OH-
Muskingum-Guernsey-Belmont-Noble-Monroe-Mercer-Lawrence-Beaver-
Hancock-Brooke-Ohio-Marshall-Wetzel-Marion-
1224 PM EDT Sat Sep 21 2024

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

.DAY ONE...This afternoon and tonight.

No hazardous weather is expected at this time.

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

No hazardous weather is expected at this time.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

PAZ008-009-014>016-021-022-029-031-073>078-WVZ509>514-221630-
Venango-Forest-Butler-Clarion-Jefferson PA-Allegheny-Armstrong-
Washington-Greene-Westmoreland-Higher Elevations of Westmoreland-
Fayette-Higher Elevations of Fayette-Indiana-
Higher Elevations of Indiana-Monongalia-
Ridges of Eastern Monongalia and Northwestern Preston-Preston-
Eastern Preston-Western Tucker-Eastern Tucker-
1224 PM EDT Sat Sep 21 2024

This Hazardous Weather Outlook is for western Pennsylvania and
northern West Virginia.

.DAY ONE...This afternoon and tonight.

There is a Marginal Risk (1/5) for severe weather today with damaging
wind and hail the primary threats.

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

No hazardous weather is expected at this time.

.SPOTTER INFORMATION STATEMENT...

Weather spotters are encouraged to report significant weather
conditions according to Standard Operating Procedures.

MLB

In the hours before

Special weather statement, Sep 21, 11:39 AM EST, 2 hours 29 minutes before

Special Weather Statement
National Weather Service Pittsburgh PA
1239 PM EDT Sat Sep 21 2024

PAZ029-211715-
Washington PA-
1239 PM EDT Sat Sep 21 2024

...A STRONG THUNDERSTORM WILL IMPACT CENTRAL WASHINGTON COUNTY
THROUGH 115 PM EDT...

At 1239 PM EDT, Doppler radar was tracking a strong thunderstorm over
Washington, moving east at 15 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...
McMurray, Washington, Canonsburg, Wolfdale, McGovern, East
Washington, Houston, Eighty Four, Cokeburg, Beallsville, Scenery
Hill, Green Hills, and Meadow Lands.

This includes the following highways...
  Interstate 70 in Pennsylvania between mile markers 13 and 29.
  Interstate 79 in Pennsylvania between mile markers 28 and 46.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

&&

LAT...LON 4008 8030 4025 8034 4029 8007 4007 8003
TIME...MOT...LOC 1639Z 262DEG 11KT 4015 8026

MAX HAIL SIZE...0.50 IN
MAX WIND GUST...40 MPH

CL

Special weather statement, Sep 21, 12:38 PM EST, 1 hour 30 minutes before

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Special weather statement, Sep 21, 1:11 PM EST, 57 minutes before

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Local storm report, Sep 21, 2:01 PM EST, 7 minutes before

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Local storm report, Sep 21, 2:03 PM EST, 5 minutes before

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The radar

The Pittsburgh radar (KPBZ), 98 km away, was scanning. The volume nearest the first event began at 19:08 UTC.

Open the radar archive at this moment

Event by event

5 thunderstorm wind, 2 hail. Local standard time, as filed.

Hail, Monongalia

When: September 21, 2:08 PM EST
Where: Monongalia County, 1.27 mi ENE of Laurel Iron Works
Measured: 1.25 in hail
Reported by: Public
Coordinates: 39.710, -79.810

Hail, Monongalia

When: September 21, 2:12 PM EST
Where: Monongalia County, 0.69 mi N of Chestnut Ridge Camp
Measured: 1.75 in hail
Reported by: Public
Coordinates: 39.690, -79.780

Thunderstorm Wind, Monongalia

When: September 21, 2:12 PM EST
Where: Monongalia County, 0.69 mi N of Chestnut Ridge Camp
Measured: 50 kt (58 mph) estimated gust
Property damage: $1,000
Reported by: Public
Coordinates: 39.690, -79.780

A pear tree was uprooted.

Thunderstorm Wind, Preston

When: September 21, 2:22 PM EST
Where: Preston County, 0.87 mi SW of Pisgah
Measured: 50 kt (58 mph) estimated gust
Property damage: $10,000
Reported by: 911 Call Center
Coordinates: 39.640, -79.760

Several trees were reported to be blown down in the area.

Thunderstorm Wind, Preston

When: September 21, 2:30 PM EST
Where: Preston County, 1.27 mi WNW of Lenox
Measured: 50 kt (58 mph) estimated gust
Property damage: $25,000
Reported by: 911 Call Center
Coordinates: 39.580, -79.600

Trees and wires were blown down in the area.

Thunderstorm Wind, Preston

When: September 21, 3:25 PM EST
Where: Preston County, Macomber
Measured: 50 kt (58 mph) estimated gust
Property damage: $10,000
Reported by: 911 Call Center
Coordinates: 39.320, -79.680

Power lines were downed in town.

Thunderstorm Wind, Preston

When: September 21, 3:27 PM EST
Where: Preston County, 0.61 mi SSE of Amboy
Measured: 50 kt (58 mph) estimated gust
Property damage: $2,000
Reported by: 911 Call Center
Coordinates: 39.341, -79.567

A tree was blown down on to Aurora Pike, blocking the road.

What these are

Hail: Hail three-quarters of an inch or larger, or smaller hail that caused damage, filed with the largest stone measured.
Thunderstorm Wind: Winds from a thunderstorm of 50 knots (58 mph) or more, or lower winds that caused damage or casualties. Measured gusts are marked MG, estimated EG.

After NWS Directive 10-1605, the rules offices file Storm Data by.

The same day elsewhere

Every storm in West Virginia in 2024 Every state in 2024 This day in weather history Warnings in West Virginia, September 2024

Sources

NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-10-01. Each event’s entry at NCEI: 1215736, 1215737, 1215740, 1215743, 1215744, 1215746, 1215748.