Severe Thunderstorms in the Central Plains; Heavy Rainfall in the Mississippi and Tennessee Valleys; Critical Fire Weather in the Southwest

Scattered severe storms capable of large to very large hail, severe wind gusts, and a few tornadoes will be possible across the central Plains. Heavy rain will pose a flash flood threat across portions of the Mississippi Valley into the Tennessee and Ohio Valleys. Hot, dry and windy conditions will continue to bring a critical fire weather threat from the Southwest into the Great Basin. Read More >

Overview

Thunderstorms occurred over western and northern Iowa during the afternoon producing localized heavy rain and a brief tornado west of Algona.

Tornado

Tornadoes:

Tornado - 6 WSW Algona
Kossuth County

Date	9/4/2018
Time (Local)	3:35pm - 3:37pm
EF Rating	EF1
Est. Peak Winds	90 mph
Path Length	1.22 miles
Max Width	50 yards
Injuries/Deaths	0/0
Summary: Brief tornado developed west southwest of Algona moving northeast in rural Kossuth county. The tornado encountered a hog confinement building, producing EF1 damage to one of the buildings as well as snapping two power poles on the road nearby. Remainder of the path was in open agricultural fields.

Track Map

Downloadable KMZ File

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

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Severe Thunderstorms in the Central Plains; Heavy Rainfall in the Mississippi and Tennessee Valleys; Critical Fire Weather in the Southwest

Brief Tornado near Algona