Pennsylvania, 2019

Hail and Damaging Winds in Pennsylvania, July 21, 2019

July 21, 2019 · NWS CTP · 10 events in 3 counties and zones

Scattered storms develop in a moderately high CAPE, low shear environment over southern Pennsylvania during the evening of July 21. Although this activity was rather disorganized, a few of the storms produced wind damage across the southern tier counties.

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
$21,000
Crop damage
None recorded
Events
10

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 CTP wrote it up.

Scattered storms develop in a moderately high CAPE, low shear environment over southern Pennsylvania during the evening of July 21. Although this activity was rather disorganized, a few of the storms produced wind damage across the southern tier counties.

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 State College, PA wrote its last area forecast discussion before the first event at Jul 21, 2:41 PM EST, 1 hour 34 minutes earlier.

Area forecast discussion, Jul 21, 2:41 PM EST, 1 hour 34 minutes before
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Hazardous weather outlook, Jul 21, 2:16 PM EST, 1 hour 59 minutes before
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In the hours before

Special weather statement, Jul 21, 2:17 PM EST, 1 hour 58 minutes before
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Special weather statement, Jul 21, 2:19 PM EST, 1 hour 56 minutes before
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Special weather statement, Jul 21, 2:39 PM EST, 1 hour 36 minutes before
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Special weather statement, Jul 21, 2:51 PM EST, 1 hour 24 minutes before
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Special weather statement, Jul 21, 3:37 PM EST, 38 minutes before
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The radar

The State College radar (KCCX), 110 km away, was scanning. The volume nearest the first event began at 21:15 UTC.

Open the radar archive at this moment

Event by event

9 thunderstorm wind, 1 hail. Local standard time, as filed.

Thunderstorm Wind, Fulton

When
July 21, 4:15 PM EST
Where
Fulton County, Mc Connellsburg
Measured
52 kt (60 mph) estimated gust
Reported by
Fire Department/Rescue
Coordinates
39.930, -78.000

A severe thunderstorm producing winds estimated near 60 mph knocked down numerous trees near McConnellsburg.

Thunderstorm Wind, York

When
July 21, 5:15 PM EST
Where
York County, 0.63 mi S of Hanover
Measured
52 kt (60 mph) estimated gust
Property damage
$8,000
Reported by
Emergency Manager
Coordinates
39.791, -76.981

A severe thunderstorm producing winds estimated near 60 mph knocked down a tree onto a home on Meade Avenue in Hanover.

Thunderstorm Wind, York

When
July 21, 5:15 PM EST
Where
York County, 0.16 mi NW of Hanover
Measured
52 kt (60 mph) estimated gust
Property damage
$5,000
Reported by
Social Media
Coordinates
39.802, -76.982

A severe thunderstorm producing winds estimated near 60 mph knocked down numerous trees in Hanover.

Hail, York

When
July 21, 5:15 PM EST
Where
York County, 0.69 mi N of Hanover
Measured
1 in hail
Reported by
Trained Spotter
Coordinates
39.810, -76.980

A severe thunderstorm produced quarter-sized hail in Hanover.

Thunderstorm Wind, York

When
July 21, 6:50 PM EST
Where
York County, 1.46 mi S of Dover
Measured
52 kt (60 mph) estimated gust
Reported by
Trained Spotter
Coordinates
39.979, -76.854

A severe thunderstorm producing winds estimated near 60 mph snapped pine trees on Locust Point Court south of Dover.

Thunderstorm Wind, York

When
July 21, 7:15 PM EST
Where
York County, 0.53 mi W of East York
Measured
54 kt (62 mph) measured gust
Reported by
Trained Spotter
Coordinates
39.970, -76.690

A severe thunderstorm produced a wind gust of 62 mph in East York.

Thunderstorm Wind, York

When
July 21, 8:00 PM EST
Where
York County, 1.48 mi NNW of New Park
Measured
52 kt (60 mph) estimated gust
Property damage
$1,000
Reported by
Fire Department/Rescue
Coordinates
39.748, -76.514

A severe thunderstorm producing winds estimated near 60 mph knocked down a tree onto Davis Road.

Thunderstorm Wind, York

When
July 21, 8:00 PM EST
Where
York County, 0.29 mi N of Bridgeton
Measured
52 kt (60 mph) estimated gust
Property damage
$2,000
Reported by
Fire Department/Rescue
Coordinates
39.804, -76.451

A severe thunderstorm producing winds estimated near 60 mph knocked down a tree and wires onto Bruce Road.

Thunderstorm Wind, York

When
July 21, 8:05 PM EST
Where
York County, 2.15 mi SW of Woodbine
Measured
52 kt (60 mph) estimated gust
Property damage
$2,000
Reported by
Fire Department/Rescue
Coordinates
39.758, -76.429

A severe thunderstorm producing winds estimated near 60 mph knocked down a tree and wires across Route 425 at Richardson Road.

Thunderstorm Wind, Adams

When
July 21, 9:00 PM EST
Where
Adams County, Heidlersburg
Measured
52 kt (60 mph) estimated gust
Property damage
$3,000
Reported by
Public
Coordinates
39.950, -77.150

A severe thunderstorm producing winds estimated near 60 mph knocked down a large tree onto a shed near Heidlersburg. A window was also blown out of a house.

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 2019Every state in 2019This day in weather historyWarnings in Pennsylvania, July 2019

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: 842612, 842614, 842616, 842637, 842619, 842621, 842630, 842632, 842633, 842634.