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Public Information Statement...CORRECTED 
National Weather Service 
Austin/San Antonio TX 
210 PM CST Tue Feb 21 2017

Corrected for Noack tornado End Location and Lat/Lon.
Corrected for Noack tornado Path Length.

...NWS DAMAGE SURVEY FOR 02/20/17 TORNADO EVENTS IN EASTERN WILLIAMSON COUNTY...

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

.THRALL TORNADO...

Rating:                 EF-2
Estimated Peak Wind:    118 mph
Path Length /Statute/:  9.4 Miles
Path Width /Maximum/:   200 Yards
Fatalities:             0
Injuries:               0

Start Date:             Feb 20 2017 
Start Time:             1225 AM CST
Start Location:         5 WSW Thrall / Williamson County / TX
Start Lat/Lon:          30.5501 / -97.3594

End Date:               Feb 20 2017
End Time:               1233 AM CST
End Location:           4 ENE Thrall / Williamson County / TX
End Lat/Lon:            30.6312 / -97.2436

Survey_Summary: This tornado was the northern one of a pair on near parallel
tracks a few miles south of U.S. Highway 79. Damage was sporadic...but 
concentrated when it occurred. The most significant damage was to a metal
building system home...at least five other single family homes...and 12
railroad cars blown off the tracks east of Thrall. The train cars may have
also been affected by strong straight-line winds.

.NOACK TORNADO...

Rating:                 EF-2
Estimated Peak Wind:    112 mph
Path Length /Statute/:  4.24 Miles
Path Width /Maximum/:   100 Yards
Fatalities:             0
Injuries:               0

Start Date:             Feb 20 2017 
Start Time:             1228 AM CST
Start Location:         5 SW Thrall / Williamson County / TX
Start Lat/Lon:          30.5443 / -97.3525

End Date:               Feb 20 2017
End Time:               1231 AM CST 
End Location:           1SSE Thrall / Williamson County / TX 
End Lat/Lon:            30.5709 / -97.2883

Survey_Summary: This tornado was the southern one of a pair on near parallel
tracks a few miles south of U.S. Highway 79. Damage was sporadic...but 
concentrated when it occurred. The most significant damage was to a 3-bin grain
storage facility...where the bins were completely destroyed and swept from their
foundations. Additional damage occurred to an extension of Christ Lutheran 
Church of Noack on FM 112...where the walls were bolted to the foundation.

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
chance pending final review of the events and publication in
NWS Storm Data. 

$$