Tornadoes · United States · Idaho · 2022

EF0 tornado, Givens Hot Spgs, Idaho, May 27, 2022

This EF0 tornado ran 3.8 miles across Owyhee County on May 27, 2022, touching down at 5:00 PM MDT and reaching 35 yards wide. It killed nobody.

The rating scale

Tracks are drawn in the color of the rating. The Enhanced Fujita scale rates the damage rather than measuring the wind: the speeds are what that damage is taken to imply.

  1. EF065 to 85 mphthis tornado

    Light damage. Surface peeled off some roofs, gutters and siding damaged, branches broken, shallow-rooted trees pushed over.

  2. EF186 to 110 mph

    Moderate damage. Roofs badly stripped, mobile homes overturned or badly damaged, exterior doors lost, windows broken.

  3. EF2111 to 135 mph

    Considerable damage. Roofs torn off well-built houses, frame homes shifted on their foundations, mobile homes destroyed, large trees snapped or uprooted, cars lifted off the ground.

  4. EF3136 to 165 mph

    Severe damage. Whole stories of well-built houses destroyed, large buildings badly damaged, trains overturned, trees debarked, heavy cars lifted and thrown.

  5. EF4166 to 200 mph

    Devastating damage. Well-built houses leveled, structures with weak foundations moved some distance, cars thrown and large missiles generated.

  6. EF5over 200 mph

    Incredible damage. Strong frame houses swept off their foundations, car-sized missiles thrown more than 100 meters, steel-reinforced concrete badly damaged, high-rise buildings deformed.

  7. Unrated

    The survey recorded a tornado but could not put a number on it, most often because it crossed open country and damaged nothing a rating can be read from.

The record

Rating
EF0
Date
May 27, 2022
Touchdown
5:00 PM MDT (23:00 UTC)
Lifted
5:15 PM MDT (23:15 UTC)
On the ground
15 minutes
Path length
3.8 miles (6.1 km)
Path width
35 yards (32 m)
Deaths
0
Injuries
0
County
Owyhee County
Touchdown point
43.412, -116.756
Lift-off point
43.431, -116.686
Record number
2205271700-01

What the Weather Service recorded

An upper level low pressure system brought convective storms on Friday, especially in southeast Oregon and near the Idaho-Oregon border.

The employee tracked a tornado for a few minutes and captured video evidence of circulation to the ground with debris and dust rotating around a column of air. The employee estimated tornado wind speed to be around 65-75 mph. After the event, they found fragile brush laying flat in one direction.

From NOAA NCEI's Storm Events Database, the narrative the local forecast office wrote for Storm Data.

The surface observations

Nampa Mun (MAN), 24 km from the path, in the two hours either side.

Time (UTC)Temp (°F)Dew point (°F)WindGust (kt)Pressure (mb)Weather
00:00 UTC

From the Iowa Environmental Mesonet's archive of airport observations.

The radar

The Boise radar (KCBX), 40 km away, was scanning. The volume nearest the touchdown began at 23:02 UTC.

Open the radar archive at this moment, over the track

Reflectivity and velocity, decoded from the Level II archive in the browser. Volumes take a few seconds to open the first time.

This ground now

The live radar over the trackEvery 2022 tornado in IdahoEvery tornado in Idaho since 1950Warnings in force in Idaho nowThe forecast where you are

The other tornadoes of May 27, 2022

12 more were confirmed in the United States that day.

DateTimeRatingWherePath (mi)Width (yd)DeathsInjuriesDamage
May 277:24 AM EDTEF2Bedford, VA6.33303$925,000
May 279:00 AM EDTEF1Charlotte, VA0.160$50,000
May 2711:45 AM EDTEF0Franklin, PA0.3185$70,000
May 2712:22 PM EDTEF0Montgomery, MD0.2125$200,000
May 2712:42 PM EDTEF0Cumberland, PA0.1125$4,000
May 272:11 PM EDTEF1Lancaster, PA3.01303$325,000
May 274:57 PM EDTEF0Horry, SC1.015
May 275:32 PM EDTEF0Horry, SC1.020
May 276:22 PM EDTEF0Louisa, VA11.150$40,000
May 277:51 PM EDTEF1Louisa, VA2.6450$100,000
May 278:32 PM EDTEF1Charles, MD4.1100$110,000
May 276:56 PM MDTUnratedPerkins, NE0.010

What this means

Ratings are the survey's, read off the damage rather than measured; the rating scale is above. Tornado counts rise through the record as reporting improved, so a year in the 1950s is not comparable with one today except for the strongest tornadoes, which were always noticed.

Sources

NOAA Storm Prediction Center tornado database, 1950-2025, the official record kept by NOAA's Storm Prediction Center.