Preliminary Tornado Damage Assessment
 In Collin and Grayson Counties
02/16/2007 03:20:00 PM

Meteorologists from the National Weather Service surveyed the damage in Collin and Grayson counties on Wednesday, May 10. Their preliminary results are posted on this page, and as a public information statement issued by the National Weather Service in Ft. Worth. This data is subject to revision(s) and or corrections.

Preliminary Track Map

Small image of tornado tracks acros Collin and Grayson Counties.
Click Map For Larger Image


New Radar Reflectivity Loop of Collin/Grayson County Storm  |   Initial, yet incomplete, Track and Damage Estimate 
 


Preliminary Time Line Of Events (Products) For Collin and Grayson County Tornadoes Tue, May 9th 2006

5/9/06

8:59 pm - NWS issued Severe Thunderstorm Warning For N. Collin and South Central Grayson Counties til 10pm.

AT 859 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
SEVERE THUNDERSTORM 13 MILES NORTH OF MCKINNEY...MOVING SOUTHEAST
AT 20 MPH. THIS STORM HAS A HISTORY OF PRODUCING PENNY SIZE
HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH.

9:18 pm - NWS issued Severe Weather Statement for N. Collin and Southern Grayson Counties

...A SEVERE THUNDERSTORM WARNING CONTINUES UNTIL 1000 PM CDT FOR  
NORTHERN COLLIN AND SOUTHERN GRAYSON COUNTIES...  
 
AT 918 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A  
SEVERE THUNDERSTORM CAPABLE OF PRODUCING PENNY SIZE HAIL...AND  
DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED 11 MILES  
SOUTH OF SHERMAN...MOVING EAST AT 15 MPH.  
 
THE SEVERE THUNDERSTORM WILL BE NEAR...  
VAN ALSTYNE BY 925 PM  
7 MILES NORTH OF ANNA BY 930 PM  
8 MILES SOUTH OF LUELLA BY 935 PM

9:30 pm - NWS issued Severe Weather Statement for N Collin and SE Grayson Counties

...A SEVERE THUNDERSTORM WARNING CONTINUES UNTIL 1000 PM CDT FOR  
NORTHERN COLLIN AND SOUTHEASTERN GRAYSON COUNTIES...  
 
AT 930 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED  
SEVERE THUNDERSTORMS CAPABLE OF PRODUCING GOLF BALL SIZE HAIL...AND  
DESTRUCTIVE WINDS IN EXCESS OF 70 MPH. ONE OF THESE STORMS WAS  
LOCATED OVER HOWE...AND ANOTHER WAS LOCATED 4 MILES SOUTH OF GUNTER.  
THESE STORMS WERE MOVING EAST AT 15 MPH.  
 
THE SEVERE THUNDERSTORMS WILL BE NEAR...  
VAN ALSTYNE BY 940 PM  
LUELLA BY 955 PM  
TOM BEAN AND 8 MILES WEST OF WHITEWRIGHT BY 1000 PM  
 
THESE STORMS HAVE A HISTORY OF PRODUCING LARGE HAIL. SEEK SHELTER  
NOW INSIDE A STURDY STRUCTURE AND STAY AWAY FROM WINDOWS!

9:59 pm - NWS issued Severe Thunderstorm Warning for N.Central Collin and SE Grayson Counties til 11 pm.

AT 959 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
SEVERE THUNDERSTORM 14 MILES SOUTH OF SHERMAN...MOVING EAST AT 30
MPH. THIS STORM WAS CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND
DESTRUCTIVE WINDS IN EXCESS OF 70 MPH.

10:08 pm - NWS Issued Tornado Warning for North Central Collin County til 11:00 pm

 AT 1006 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
DEVELOPING TORNADO 13 MILES NORTH OF MCKINNEY...MOVING EAST AT 20
MPH.

 THE TORNADO IS EXPECTED TO BE NEAR...
ANNA BY 1015 PM

10:19 pm - NWS Issued Severe Weather Statement for Collin County Tornado Warning
                
Tornado Observed By Spotters!

...A TORNADO WARNING CONTINUES UNTIL 1100 PM CDT FOR NORTH CENTRAL  
COLLIN COUNTY...  
 
AT 1019 PM CDT...TRAINED WEATHER SPOTTERS REPORTED A TORNADO LOCATED  
3 MILES WEST OF ANNA...MOVING EAST AT 20 MPH.  

 
THE TORNADO WILL BE NEAR...  
WESTMINSTER BY 1035 PM  
 
A TORNADO HAS BEEN SPOTTED. TAKE COVER IN A BASEMENT...OR ON THE  
LOWEST FLOOR OF YOUR HOME IN AN INTERIOR CLOSET OR BATHROOM. USE  
BLANKETS OR PILLOWS FOR COVER. TAKE COVER NOW!  
Hook Echo from Ft. Worth Radar - Hook is near Anna in Collin County.

10:29 pm - NWS Issued Severe Weather Statement for Collin County Tornado Warning

...A TORNADO WARNING CONTINUES UNTIL 1100 PM CDT FOR NORTH CENTRAL  
COLLIN COUNTY...  
 
AT 1029 PM CDT...TRAINED WEATHER SPOTTERS REPORTED A TORNADO. POWER  
FLASHES ASSOCIATED WITH THE TORNADO WERE OBSERVED JUST NORTH OF  
ANNA. THIS TORNADO WAS LOCATED 13 MILES NORTHEAST OF MCKINNEY...OR  
JUST NORTH OF ANNA...MOVING EAST AT 20 MPH.
 
 
THE TORNADO WILL BE NEAR...  
WESTMINSTER BY 1040 PM  
 
A TORNADO HAS BEEN SPOTTED. TAKE COVER IN A BASEMENT...OR ON THE  
LOWEST FLOOR OF YOUR HOME IN AN INTERIOR CLOSET OR BATHROOM. USE  
BLANKETS OR PILLOWS FOR COVER. TAKE COVER NOW!  

10:30 pm - Local Storm Report from Collin County (issued at 201 am)

..REMARKS..  
 
1030 PM TORNADO WESTMINSTER 33.36N 96.46W  
05/09/2006 COLLIN TX LAW ENFORCEMENT  
 
*** 3 FATAL, 3 INJ *** AN ELDERLY COUPLE AND A TEENAGER  
WERE KILLED IN THE TOWN OF WESTMINSTER WITH EXTENSIVE  
DAMAGE IN AND AROUND TOWN. TIME ESTIMATED. DAMAGE SURVEY  
WILL BE CONDUCTED WEDNESDAY MORNING.

10:34 pm - NWS Issued Severe Weather Statement for Collin County Tornado Warning

...A TORNADO WARNING CONTINUES UNTIL 1100 PM CDT FOR NORTH CENTRAL  
COLLIN COUNTY...  
 
AT 1034 PM CDT...TRAINED WEATHER SPOTTERS REPORTED A TORNADO. THIS  
TORNADO WAS LOCATED 14 MILES NORTHEAST OF MCKINNEY...OR 4 NORTHEAST  
OF ANNA...MOVING EAST AT 15 MPH.  
 
THE TORNADO WILL BE NEAR...  
WESTMINSTER BY 1040 PM  
 
A TORNADO CONTINUES TO BE REPORTED ON THE GROUND. TAKE COVER IN A  
BASEMENT...OR ON THE LOWEST FLOOR OF YOUR HOME IN AN INTERIOR CLOSET  
OR BATHROOM. USE BLANKETS OR PILLOWS FOR COVER. TAKE COVER NOW!  

10:39 pm - NWS Issued Severe Weather Statement for Collin County Tornado Warning

...A TORNADO WARNING CONTINUES UNTIL 1100 PM CDT FOR NORTH CENTRAL  
COLLIN COUNTY...  
 
AT 1039 PM CDT...TRAINED WEATHER SPOTTERS REPORTED A LARGE TORNADO 5  
MILES NORTHEAST OF ANNA...MOVING EAST AT 10 MPH. THIS TORNADO WAS  
PRODUCING DEBRIS.  
 
THE TORNADO WILL BE NEAR...  
WESTMINSTER BY 1045 PM  
 
TAKE COVER IN A BASEMENT...OR ON THE LOWEST FLOOR OF YOUR HOME IN AN  
INTERIOR CLOSET OR BATHROOM. USE BLANKETS OR PILLOWS FOR COVER.  
 
THIS TORNADO MAY BE OBSCURED BY RAIN. IF YOU WAIT UNTIL THE TORNADO IS  
VISIBLE BEFORE TAKING COVER IT WILL BE TOO LATE.
SEEK SHELTER NOW!
Hook Echo Near WestMinster in Collin County Westminster cicrulation radar image.

10:51 pm - NWS Issued Severe Weather Statement for Collin County Tornado Warning

...A TORNADO WARNING CONTINUES UNTIL 1100 PM CDT FOR NORTH CENTRAL  
COLLIN COUNTY...  
 
AT 1051 PM CDT...TRAINED WEATHER SPOTTERS CONTINUED TO REPORT A  
TORNADO 5 MILES NORTHEAST OF WESTMINSTER...MOVING NORTHEAST AT 20  
MPH.  

 
TAKE COVER IN A BASEMENT...OR ON THE LOWEST FLOOR OF YOUR HOME IN AN  
INTERIOR CLOSET OR BATHROOM. USE BLANKETS OR PILLOWS FOR COVER.  
 
THIS TORNADO MAY BE OBSCURED BY RAIN. IF YOU WAIT UNTIL THE TORNADO  
IS VISIBLE BEFORE TAKING COVER IT WILL BE TOO LATE. SEEK SHELTER NOW!

10:51 pm - NWS Issued Tornado Warning for Southeastern Grayson County til 11:15 pm

AT 1045 PM CDT...STORM SPOTTERS AND DOPPLER RADAR OBSERVED A
TORNADO 16 MILES SOUTHWEST OF BONHAM...MOVING NORTHEAST AT 15 MPH.

TAKE COVER IN A BASEMENT...OR ON THE LOWEST FLOOR OF YOUR HOME IN AN
INTERIOR CLOSET OR BATHROOM. USE BLANKETS OR PILLOWS FOR COVER.

IN ADDITION TO TORNADOES...LARGE HAIL AND DAMAGING WINDS ARE LIKELY
WITH THIS STORM.

 

 


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