National Weather Service United States Department of Commerce

Severe Weather Outbreak on September 11th, 2019

Severe thunderstorms developed north of Denver, by late afternoon, and then tracked east northeast across the plains through early Wednesday evening.  Several reports of large hail, up to baseballs at times, along with strong winds occurred in some areas.  

Two brief EF2 tornadoes occurred early Wednesday evening west Northwest of Fleming, Colorado. Tornado #1 snapped power poles while tornado #2 demolished a well constructed pole barn. 


.TORNADO #1...

RATING: EF-2 
ESTIMATED PEAK WIND: 118 MPH 
PATH LENGTH /STATUTE/: 0.5 MILES
PATH WIDTH /MAXIMUM/: 50 YARDS
FATALITIES: 0
INJURIES:   0

DATE: 09/11/2019 
TIME: 703 to 704 PM MDT
LOCATION: 9 MILES WEST NORTHWEST OF FLEMING, COLORADO

.TORNADO #2...

RATING: EF-2
ESTIMATED PEAK WIND: 112 MPH
PATH LENGTH /STATUTE/: 0.5 MILES
PATH WIDTH /MAXIMUM/: 50 YARDS
FATALITIES: 0
INJURIES:   0

DATE: 09/11/2019 
TIME: 705 to 706 PM MDT
LOCATION: 6 MILES WEST NORTHWEST OF FLEMING, COLORADO

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. 

 

Radar Loop from late Wednesday afternoon through Wednesday evening.

 

Preliminary Storm Reports for September 11th

 

Logan County, Colorado tornado tracks September 11, 2019

Logan County, Colorado tornado tracks.

 

 

 

Colorado storm reports.