National Weather Service United States Department of Commerce

Extended Outlook: Warmer for Mid-December, Colder for Late December

The latest Climate Prediction Center outlooks favor warmer than normal temperatures and above normal precipitation for North Dakota and Minnesota for mid December. The outlooks then favor colder than normal temperatures over the holidays. Read More >

...PRELIMINARY NWS DAMAGE SURVEY FOR MAHNOMEN COUNTY TORNADO EVENT...

RATING:                 EF-1
ESTIMATED PEAK WIND:    90-95 MPH
PATH LENGTH /STATUTE/:  400 YARDS
PATH WIDTH /MAXIMUM/:   30 YARDS

START DATE:             06/22/2015 
START TIME:             226 AM CDT (ESTIMATED)

SURVEY SUMMARY: VERY PRELIMINARY RESULTS FROM THE NWS DAMAGE
ASSESSMENT INDICATED A BRIEF TORNADO OCCURRED NEAR THE SHOOTING
STAR CASINO IN MAHNOMEN...MINNESOTA. FURTHER DETAILS WILL BE
PROVIDED ONCE THE SURVEY IS COMPLETED.

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.