Severe Weather on April 5, 2017

Overview

Surface low pressure deepened as it tracked from southern Missouri into the Ohio Valley on Wednesday April 5th. A cold front came through during the afternoon hours and set the stage for thunderstorm initiation over portions of southeast Missouri and southern Illinois. The environment was favorable for rotating supercells to develop, with ample wind shear to work with. Some hail, mainly pea to dime sized, was reported with several of the storms. Although hail up to half dollar size was reported in McLeansboro, IL. There were some reports of wind damage from the storms along with a brief EF-1 tornado that touched down in far southwest Williamson County shortly after 2 PM. One storm also produced a microburst, with 90 mph winds, in the town of Enfield, IL around 3:30 PM.

Tornado and Microburst
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Tornado and Microburst:

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Tornado - Carbondale SE
Williamson County Illinois

Date	4/5/2017
Time (CDT)	2:10 PM
EF Rating	EF-1
Est. Peak Winds	105 mph
Path Length	0.1 miles
Max Width	25 yards
Injuries/Deaths	0/0
Summary: Brief tornado touched down 4 miles ESE of Carbondale along Cameron Rd. The trunk of one tree was impaled into the side of a garage of a residence. The cupola was destroyed and the roof was uplifted as well. Debris from the house was thrown a couple hundred yards and insulation was stuck in nearby trees.

Track Map

Track Map EF-Scale

Public Information Statement
National Weather Service Paducah, KY
225 PM CDT Thu Apr 6 2017

...NWS DAMAGE SURVEY FOR April 5 2017 TORNADO EVENT...

.Williamson County Tornado...

Rating:                 EF-1
Estimated peak wind:    105 mph
Path length /Statute/:  0.1 miles
Path width /Maximum/:   25 yards
Fatalities:             0
Injuries:               0

Start date:             April 5 2017
Start time:             210 PM CDT
Start location:         4 miles east southeast of Carbondale IL

End date:               April 5, 2017
End time:               210 PM CDT
End location:           4 miles east southeast of Carbondale IL

A brief tornado touchdown along Cameron rd in southwest Williamson
county. Two residences were damaged. The first sustained minor shingle
damage. Between the residences trees were snapped and thrown. The
trunk of one was impaled into the side of the garage of the second
residence. The second residence sustained damage to the eastward
facing side of the house. The cupola was destroyed and the roof
was uplifted. This was the only part of the roof that was not
secured by hurricane clips. Debris from the house were thrown
a couple hundred yards and insulation was stuck in nearby trees.
No trees were damaged on either side of the homes.

Microburst - Enfield IL
White County Illinois

Date	4/5/2017
Time (CDT)	3:33 PM - 3:35 PM
Est. Peak Winds	90 mph
Path Length	1.1 miles
Max Width	1/3 mile
Injuries/Deaths	0/0
Summary: A microburst downed dozens of trees and large limbs in Enfield. Some minor roof damage occurred at several houses, an apartment building, and a school.

Track Map

Track Map EF-Scale

Public Information Statement
National Weather Service Paducah, KY
407 PM CDT Thu Apr 6 2017

...NWS DAMAGE SURVEY FOR April 5 2017 MICROBURST WIND EVENT...

.Enfield Illinois Microburst (White County)...

Peak wind:   90 mph
Path length /Statute/:  1.1 miles
Path width /Maximum/:   1/3 mile
Fatalities:             0
Injuries:               0

Start date:             April 5 2017
Start time:             333 PM CDT
Start location:         0.5 miles WSW of Enfield IL

End date:               April 5 2017
End time:               335 PM CDT
End location:           0.5 miles ENE of Enfield IL

A microburst containing peak winds near 90 mph downed dozens of
trees and large limbs, almost entirely within the city limits of
Enfield. Some minor roof damage occurred at several houses, an
apartment building, and a school. A section of the covering of the
roof, approximately 60 to 100 feet in length, was blown off the
school. A large tarp was torn off a very large grain pile.

NOTE:
The information in this statement is PRELIMINARY and subject to
change pending final review of the event and publication in
NWS Storm Data.

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

Radar:

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