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Pennsylvania storm reports for August 20, 2026

NOAA recorded 23 wind reports and 5 tornado reports in Pennsylvania on August 20, 2026.

in Pennsylvania
28
Storm reports
5
Tornado reports
Sources: NOAA/NWS Storm Prediction Center reports; radar hail estimates from NOAA MRMS; gust estimates from NOAA URMA; damage surveys from the NWS Damage Assessment Toolkit

Hail, inches

  • 0.75
  • 1
  • 1.5
  • 2
  • 2.5
  • 3+

Dots: reports. Shading: radar estimate.

  • Wind report
  • Estimated gusts, 50 to 90 mph
  • Tornado and its path
  • Surveyed tornado path

Source: NOAA/NWS Storm Prediction Center, preliminary storm reports. NOAA revises recent reports for several weeks. Report day: 12:00 UTC on August 20, 2026 to 12:00 UTC the next day. Times are Central.

Select a dot or a path for the report. NWS survey teams walked the shaded paths after the storm; each is drawn at the widest width they found, so it can look wider than the damage at any one spot. Gust lines are estimates: the highest gust of the day in NOAA's hourly 2.5 km wind analysis (URMA), which fills in between weather stations. They aren't measurements at any building.

Reports by hour

Wind23, most at 4 PM

Tornado5, most at 3 PM

Reports per hour, Central time. Each row has its own scale.

Every report

Source: NOAA/NWS Storm Prediction Center.

TimeRatingWherePath
3:24 PMNot rated2 SW Wrightsville, York County, PANot surveyed
3:30 PMNot ratedSW Columbia, Lancaster County, PANot surveyed
3:37 PMNot rated2 ESE Mountville, Lancaster County, PANot surveyed
3:38 PMNot rated3 NW Millersville, Lancaster County, PANot surveyed
4:40 PMNot ratedEast Caln Twp, Chester County, PANot surveyed

Cities with reports nearby

Reports within 15 miles of the center of each city we track.

CityLargest hailHighest gustTornado reports
Harrisburg, PANoneNone0
Lancaster, PANoneNone4
Philadelphia, PANoneNone0
Reading, PANoneNone0
York, PANoneNone2

Reports are what observers recorded near a location, not a complete record of every storm. They don’t describe conditions at any building.