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Tornado outbreak of March 14, 2017
Tornado-4.jpg
A tornado near Guernsey, Wyoming.
Date of tornado outbreak: March 14, 2017
Duration1: 1 hour, 1 minute
Maximum rated tornado2: EF2 tornado
Tornadoes caused: 4
Total Damages: $8 million
Total Fatalities: 12
Areas Affected: Wyoming, Colorado

1Time from first tornado to last tornado
2Most severe tornado damage; see wikipedia:Enhanced Fujita Scale

The March 14, 2017 tornado outbreak was a minor tornado outbreak that produced two deadly tornadoes in Wyoming. The strongest tornado was an EF2 tornado that killed ten people in Casper. Another tornado, which was also an EF2 tornado, hit Guernsey. The final two tornadoes were both rated EF0, which touched down near Douglas.


Meteorological synopsis

As Winter Storm Wyatt moved through Texas and Oklahoma, severe storms on the northern edge of the system produced severe weather. Several super cells produced hail in Wyoming and in Colorado. High winds were also reported with the system, with a peak gust of 105 mph in Ryan Park, Wyoming. Hail with a diameter of 2" was reported in Ault, Colorado. A new daily precipitation record of 28.3" of rain was set in Cheyenne. The system ended on March 15.

Confirmed tornadoes

Confirmed
Total
Confirmed
EF0
Confirmed
EF1
Confirmed
EF2
Confirmed
EF3
Confirmed
EF4
Confirmed
EF5
4 2 0 2 0 0 0


List of confirmed tornadoes - Thursday, April 13, 2017
EF#
Location
Duration (local time)
Description
Wyoming
EF2 Casper area 4:15-4:24 PM 10 deaths - Over 200 homes were either damaged or destroyed in Casper, which led to ten fatalities. The tornado was first noted when it touched down on 11th Street, where several homes sustained minor shingle damage. The tornado continued and severely damaged Kelly Walsh High School, where one person was killed in a study hall room. The tornado killed a couple in their home before hitting Eastridge Mall. At Eastridge Mall, thirty people sustained injuries and four people were killed. The tornado then began to travel north-northeast, killing three people in a mobile home park. Over 40 mobile homes were damaged or destroyed. The tornado soon dissipated afterwards.
EF2 Guernsey area 4:28-4:32 PM 2 deaths - A tornado either damaged or destroyed thirty homes in Guernsey, which led to two fatalities when a home collapsed.
EF0 ESE of Douglas 5:10-5:13 PM A landspout was reported to have touched down. One farm was damaged by the tornado.
EF0 S of Douglas 5:13-5:16 PM Video footage showed a tornado kicking up dust near Douglas.

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