Public Information Statement
Issued by NWS Austin/San Antonio, TX

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798
NOUS44 KEWX 210438
PNSEWX
TXZ171>173-183>194-202>209-217>225-228-211645-

Public Information Statement
National Weather Service Austin/San Antonio TX
1038 PM CST Mon Feb 20 2017

...NWS DAMAGE SURVEY FOR 02/20/2017 THUNDERSTORM WIND EVENT IN EASTERN
WILLIAMSON COUNTY...

.OVERVIEW...STORM SURVEYS WERE CONDUCTED BY NWS METEOROLOGISTS ACROSS EASTERN
WILLIAMSON COUNTY IN THE AREA NORTH OF U.S. HIGHWAY 79 FROM NORTHWEST TO
NORTH OF THRALL. THESE REPORTS SHOULD STILL BE CONSIDERED PRELIMINARY
AND SOME ADJUSTMENTS MAY STILL BE MADE TO THE WIND DAMAGE PATH AND STRENGTHS
OVER THE COMING DAYS. OTHER DAMAGE SURVEYS WILL CONTINUE OVER THE NEXT FEW
DAYS ACROSS SOUTH CENTRAL TEXAS.

.THUNDERSTORM WIND...

Peak Wind /E/:          118-138 mph
Path Length /Statute/:  2 Miles
Path Width /Maximum/:   500 Yards
Fatalities:             0
Injuries:               2

Start Date:             Feb 20 2017
Start Time:             1228 AM CST
Start Location:         2 NW Thrall / Williamson County / TX
Start Lat/Lon:          30.6082 / -97.1330

End Date:               Feb 20 2017
End Time:               1233 AM CST
End Location:           2 N Thrall / Williamson County / TX
End Lat/Lon:            30.6137 / -97.3012

Survey_Summary: While there was a strong circulation near the start of the
path...all of the damage observed was indicative of straight-line winds...
with debris strewn toward the east-northeast. At least 10 homes were
significantly damaged...and at least two dozen farm outbuildings...
mobile homes...and RVs were severely damaged or destroyed. The most
significant damage was along CR 420...where three RVs were rolled and
through 2-3 cycles and destroyed. A couple suffered minor injuries in one
of the RVs. In addition...a metal-building-system building was destroyed.
The metal plates of the main beam supports were bolted with nuts or J-bolts
into the concrete foundation...but were sheared or bent...and then torn away.
The entire roof and walls lofted and set down about 25 yards from the
foundation...but were severely bent and twisted.

Note:
The information in this statement is preliminary and subject to
change pending final review of the events and publication in
NWS Storm Data.

$$



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