National Weather Service United States Department of Commerce

Straight line wind damage near Windham Township in Bradford County, PA.

  • Location: Windham Township in Bradford County Pennsylvania
  • Date: 07/20/2017
  • Estimated Time: 405 to 420 PM EDT
  • Estimated Maximum Wind Speed: 80 MPH
  • Maximum Path Width: 500 yards
  • Path Length: 1 mile
  • Beginning Lat/Lon: 41.9233 N / 76.3987 W
  • Ending lat/Lon: 41.9224 N / 76.3774 W

The information in this statement is preliminary and subject to change pending final review of the event(s) and publication in NWS Storm Data.

Summary

The most concentrated damage began near the intersection of Vawter Hill Road and Arnold Road, and continued to near the intersection of Arnold Road and Orr Road.

Numerous trees were uprooted and downed, and roof damage occurred to a farm house. Minor roof damage also occurred to a barn.

Click on an image for a larger view.

 

Storm Damage

Roof off house, front view.

Storm Damage

Roof off house, back view.

Storm Damage

Roof off shed.

Storm Damage

Both the shed and house roofs thrown downwind into a field.

 

Straight line wind damage near Tuscarora in Steuben County, NY.

 

  • Location: Tuscarora in Steuben County New Yorklocal storm reports
  • Date: 07/20/2017
  • Estimated Time: 2:50-2:55 PM EDT
  • Estimated Maximum Wind Speed: 80 mph
  • Maximum Path Width: 165 yards
  • Path Length: 900 yards
  • Beginning Lat/Lon: 42.0667 N / 77.2776 W
  • Ending lat/Lon: 42.0608 N / 77.2789 W

The information in this statement is preliminary and subject to change pending final review of the event(s) and publication in NWS Storm Data.

Summary

A severe thunderstorm caused damage in a small area along route 85 in the town of Tuscarora, NY. The damage consisted of several trees that were uprooted and felled in a divergent pattern. Hardest hit were several trailers along route 85 just before Bunker Hill Road.

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storm damage

Trees downed along Route 85 or Freeman Ekland Road.

storm damage

Utility workers repairing downed lines.

storm damage

Trees downed and damage to a home.

 

Radar reflectivity loop from the NWS Binghamton, NY WSR88D radar. The loop was from Noon EDT (1600 UTC) to 09:05 PM EDT July 20, 2017.

There is no audio with this video.

 

For reference:

Enhanced Fujita Scale classifies tornadoes into the following categories:

  • EF0: Wind speeds 65 to 85 mph
  • EF1: Wind speeds 86 to 110 mph
  • EF2: Wind speeds 111 to 135 mph
  • EF3: Wind speeds 136 to 165 mph
  • EF4: Wind speeds 166 to 200 mph
  • EF5: Wind speeds greater than 200 mph

A microburst is a convective downdraft with an affected outflow area of less than 2 1/2 miles wide and peak winds lasting less than 5 minutes. Microbursts may induce dangerous horizontal and vertical wind shears, which can adversely affect aircraft performance and cause property damage. Straight-line winds are generally any wind that is not associated with rotation, used mainly to differentiate them from tornadic winds.