Pennsylvania, 2010

Hail and Damaging Winds in Pennsylvania, April 25, 2010

April 25, 2010 · NWS PBZ · 8 events in 4 counties and zones

Scattered severe thunderstorms developed across eastern Ohio and Western Pennsylvania ahead of low pressure moving east acoss the Ohio Valley.

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
$15,000
Crop damage
None recorded
Events
8

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.

Scattered severe thunderstorms developed across eastern Ohio and Western Pennsylvania ahead of low pressure moving east acoss the Ohio Valley.

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 Apr 25, 2:06 PM EST, 24 minutes earlier.

Area forecast discussion, Apr 25, 2:06 PM EST, 24 minutes before
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Hazardous weather outlook, Apr 25, 11:02 AM EST, 3 hours 28 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE PITTSBURGH PA
1202 PM EDT SUN APR 25 2010

MDZ001-OHZ039>041-048>050-057>059-068-069-PAZ007-008-013>016-020>023-
029>032-WVZ001>004-012-021>023-041-261615-
GARRETT-TUSCARAWAS-CARROLL-COLUMBIANA-COSHOCTON-HARRISON-
JEFFERSON OH-MUSKINGUM-GUERNSEY-BELMONT-NOBLE-MONROE-MERCER-VENANGO-
LAWRENCE-BUTLER-CLARION-JEFFERSON PA-BEAVER-ALLEGHENY-ARMSTRONG-
INDIANA-WASHINGTON-WESTMORELAND-GREENE-FAYETTE-HANCOCK-BROOKE-OHIO-
MARSHALL-WETZEL-MARION-MONONGALIA-PRESTON-TUCKER-
1202 PM EDT SUN APR 25 2010

...SEVERE THUNDERSTORM WATCH 103 IN EFFECT UNTIL 8 PM EDT THIS
EVENING...

THIS HAZARDOUS WEATHER OUTLOOK IS FOR WESTERN MARYLAND...EAST
CENTRAL OHIO...NORTHWEST PENNSYLVANIA...SOUTHWEST
PENNSYLVANIA...WEST CENTRAL PENNSYLVANIA...NORTHERN WEST VIRGINIA
AND NORTHERN PANHANDLE OF WEST VIRGINIA.

.DAY ONE...THIS AFTERNOON AND TONIGHT.

PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE
INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS.

   SEVERE THUNDERSTORM WATCH.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY.

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.

PAZ009-261615-
FOREST-
1202 PM EDT SUN APR 25 2010

THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHWEST PENNSYLVANIA.

.DAY ONE...THIS AFTERNOON AND TONIGHT.

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY.

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.

In the hours before

Local storm report, Apr 25, 12:39 PM EST, 1 hour 51 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE PITTSBURGH PA
139 PM EDT SUN APR 25 2010

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0127 PM     HAIL             ZANESVILLE              39.95N 82.01W
04/25/2010  E1.00 INCH       MUSKINGUM          OH   PUBLIC

&&

RSMITH
Local storm report, Apr 25, 12:50 PM EST, 1 hour 40 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE PITTSBURGH PA
150 PM EDT SUN APR 25 2010

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0139 PM     HAIL             ZANESVILLE              39.95N 82.01W
04/25/2010  E1.25 INCH       MUSKINGUM          OH   PUBLIC

            PUBLIC REPORTED HAIL ONE AND ONE QUARTER INCH IN SIZE IN
            THE ZANESVILLE AREA.

&&
Local storm report, Apr 25, 12:59 PM EST, 1 hour 31 minutes before
PRELIMINARY LOCAL STORM REPORT...CORRECTED
NATIONAL WEATHER SERVICE PITTSBURGH PA
159 PM EDT SUN APR 25 2010

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0118 PM     HAIL             ZANESVILLE              39.95N 82.01W
04/25/2010  E0.75 INCH       MUSKINGUM          OH   PUBLIC

            PUBLIC REPORTED HAIL 0.75 INCHES IN DIAMETER.

0127 PM     HAIL             ZANESVILLE              39.95N 82.01W
04/25/2010  E1.00 INCH       MUSKINGUM          OH   PUBLIC

            PUBLIC REPORTED ONE INCH HAIL IN THE ZANESVILLE AREA AT
            127PM.

0139 PM     HAIL             ZANESVILLE              39.95N 82.01W
04/25/2010  E1.25 INCH       MUSKINGUM          OH   PUBLIC

            PUBLIC REPORTED HAIL ONE AND ONE QUARTER INCH IN SIZE IN
            THE ZANESVILLE AREA.

&&
Local storm report, Apr 25, 1:31 PM EST, 59 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE PITTSBURGH PA
231 PM EDT SUN APR 25 2010

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0208 PM     TSTM WND DMG     KIMBOLTON               40.15N 81.57W
04/25/2010                   GUERNSEY           OH   LAW ENFORCEMENT

            TREES REPORTED DOWN IN THE VICINITY OF THE TOWN OF
            KIMBOLTON AS REPORTED BY LOCAL LAW ENFORCEMENT.

&&
Local storm report, Apr 25, 1:40 PM EST, 50 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE PITTSBURGH PA
240 PM EDT SUN APR 25 2010

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0218 PM     TSTM WND DMG     MIDVALE                 40.44N 81.37W
04/25/2010                   TUSCARAWAS         OH   LAW ENFORCEMENT

            TREES EROPRTED DOWN BY LOCAL LAW ENFORCEMENT.

&&
Local storm report, Apr 25, 1:54 PM EST, 36 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE PITTSBURGH PA
254 PM EDT SUN APR 25 2010

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0243 PM     HAIL             CAMBRIDGE               40.03N 81.59W
04/25/2010  E0.88 INCH       GUERNSEY           OH   PUBLIC

&&

15

The radar

The Pittsburgh radar (KPBZ), 32 km away, was scanning. The volume nearest the first event began at 19:31 UTC.

Open the radar archive at this moment

Event by event

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

Thunderstorm Wind, Allegheny

When
April 25, 2:30 PM EST
Where
Allegheny County, 1.48 mi SSW of Bruceton
Measured
50 kt (58 mph) estimated gust
Property damage
$5,000
Reported by
Trained Spotter
Coordinates
40.300, -79.990

A trained spotter reported large tree branches down in South Park Township.

Thunderstorm Wind, Armstrong

When
April 25, 3:45 PM EST
Where
Armstrong County, 1.17 mi ESE of Mc Grann
Measured
50 kt (58 mph) estimated gust
Property damage
$10,000
Reported by
Emergency Manager
Coordinates
40.766, -79.498

Emergency management reported trees down in Manor Township.

Hail, Armstrong

When
April 25, 4:11 PM EST
Where
Armstrong County, 1.38 mi S of Pine Furnace
Measured
0.88 in hail
Reported by
Public
Coordinates
40.830, -79.430

Hail, Venango

When
April 25, 4:24 PM EST
Where
Venango County, 1.04 mi E of Oil City
Measured
0.75 in hail
Reported by
Public
Coordinates
41.430, -79.700

Hail, Clarion

When
April 25, 4:32 PM EST
Where
Clarion County, 0.93 mi SW of Clarion Parker Arpt
Measured
1 in hail
Reported by
Public
Coordinates
41.212, -79.384

Hail, Clarion

When
April 25, 4:32 PM EST
Where
Clarion County, 0.52 mi E of Shippenville
Measured
1 in hail
Reported by
Trained Spotter
Coordinates
41.250, -79.460

Hail, Clarion

When
April 25, 4:34 PM EST
Where
Clarion County, 0.52 mi E of Shippenville
Measured
0.88 in hail
Reported by
Trained Spotter
Coordinates
41.250, -79.460

Hail, Clarion

When
April 25, 4:36 PM EST
Where
Clarion County, Shippenville
Measured
1 in hail
Reported by
Public
Coordinates
41.250, -79.470

What these are

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.
Hail
Hail three-quarters of an inch or larger, or smaller hail that caused damage, filed with the largest stone measured.

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

The same day elsewhere

More

Every storm in Pennsylvania in 2010Every state in 2010This day in weather historyWarnings in Pennsylvania, April 2010

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 2026-09-24. Each event’s entry at NCEI: 221299, 221300, 221293, 221294, 221295, 221296, 221297, 221298.