Storm Impacting the Northwest U.S.; Fire Weather Conditions in Southern California; Severe Weather in the South

A Pacific storm is bringing areas of low elevation rain, moderate to heavy mountain snow, and high winds to the Northwest. Strong Santa Ana winds and very dry conditions are producing elevated to critical fire weather conditions in southern California. Isolated strong to severe thunderstorms are possible through early Wednesday morning across parts of northeast Texas into western Tennessee. Read More >

Overview

A line of scattered thunderstorms rapidly developed along and north of Interstate 90 in the late afternoon and early evening of July 18th. A thunderstorm near Crooks, SD quickly became tornadic. A brief EF-0 tornado damaged the roof of a barn approximately 5 miles west of Crooks, SD. Maximum winds were estimated to be 75 mph. There were no reported injuries or deaths.

Tornado

Tornadoes:

Tornado - Crooks, SD
Minnehaha County

Date	July 18, 2019
Time (Local)	5:15 PM - 5:18 PM CDT
EF Rating	EF-0
Est. Peak Winds	75 mph
Path Length	0.4 miles
Max Width	5 yards
Injuries/Deaths	0
Summary: A very brief EF-0 tornado touched down 5 miles west of Crooks, SD, damaging the roof of a barn.

Track Map

Downloadable KMZ File


Damage to Barn Roof NWS Damage Survey	Funnel Cloud West of Crooks Minnehaha County Sheriff	View from Northwest Sioux Falls NWS Employee	View Northeast on I-90 Between Hartford/Sioux Falls Passerby on I-90

The Enhanced Fujita (EF) Scale classifies tornadoes into the following categories:

EF0 Weak 65-85 mph	EF1 Moderate 86-110 mph	EF2 Significant 111-135 mph	EF3 Severe 136-165 mph	EF4 Extreme 166-200 mph	EF5 Catastrophic 200+ mph