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Montana storm reports for May 20, 2020

NOAA recorded 14 hail reports, 47 wind reports and 1 tornado report in Montana on May 20, 2020.

in Montana
62
Storm reports
Near 46.51, -105.70, MT
2.5 in
Largest hail
Near 47.28, -105.84, MT
110 mph
Highest gust
Highest rating EF0, near 48.16, -106.49, MT
1
Tornado reports
Sources: NOAA/NWS Storm Prediction Center reports; damage surveys from the NWS Damage Assessment Toolkit

Hail, inches

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

Dots: reports.

  • Wind report
  • Tornado and its path
  • Surveyed tornado path

Source: NOAA/NWS Storm Prediction Center, final severe weather database (from NOAA's Storm Data). Report day: 12:00 UTC on May 20, 2020 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.

Reports by hour

Hail14, most at 6 PM

Wind47, most at 9 PM

Tornado1, most at 10 PM

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

Every report

Source: NOAA/NWS Storm Prediction Center.

TimeRatingWherePath
10:17 PMEF0Near 48.16, -106.49, MT0.82 mi long, 50 yd wide

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