Big Stone Severe Watches & Warnings NOAA Weather Radio

Public Information Statement
Statement as of 4:08 PM CDT on October 1, 2014

...NWS damage survey for September 30 2014 tornado event in McPherson County...

.Tornado #1 in McPherson County...

Rating: EF-0 estimated peak wind: 70 mph path length /statute/: 0.1 miles path width /maximum/: 30 yards fatalities: 0 injuries: 0

Start date: September 30 2014 start time: 4:48 PM CDT start location: 5.9 miles northwest of Long Lake start lat/lon: 45.9246 / -99.2908

End date: September 30 2014 end time: 4:50 PM CDT end location: 6.0 miles northwest of Long Lake end_lat/lon: 45.9263 / -99.2910

A tornado was confirmed in McPherson County based upon evidence seen during a National Weather Service storm survey...coupled with reports and pictures provided by nearby residents. The tornado made a brief touchdown in and around a corn field about 6 miles northwest of Long Lake. The tornado traveled 0.1 miles to the north northwest before lifting. The tornado caused minor damage to a corn field causing some corn stalks to be bent over and twisted. Also some corn cob debris was blown across the nearby 101st street. Damage of this magnitude is consistent with wind speeds near 70 mph...or EF-0 damage.

Ef scale: the Enhanced Fujita scale classifies tornadoes into the following categories.

EF0...weak......65 to 85 mph EF1...weak......86 to 110 mph EF2...strong....111 to 135 mph EF3...strong....136 to 165 mph EF4...violent...166 to 200 mph EF5...violent...>200 mph

Note: the information in this statement is preliminary and subject to change pending final review of the event and publication in NWS storm data.

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