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Straight line winds produced a few reports of damage across the Panhandles, particularly in Beaver County, OK and Gray County, TX.  Storm surveys determined that straight line winds up to 120 mph were responsible for the damage in Beaver County near Forgan.  Winds up to 90 mph were responsible for the damage near Pampa, TX.

 
Beaver County, OK Survey
BEGIN 6 miles W of Beaver
END 5 miles NE of Forgan
LENGTH 10 miles
WIND SPEEDS Up to 120 mph

The National Weather Service in Amarillo has completed a damage assessment from the downburst event in Beaver County, OK on August 9.  Damage was first discovered between County Roads 131 and 132 approximately 6 miles west of Beaver where irrigation equipment was damaged along with several outbuildings.  The sporadic path of damage continued east northeast for roughly 10 miles to about 5 miles northeast of Forgan.  Along this path, at least a dozen center pivots were damaged and several hog farm buildings were damaged.  Damage at these locations was consistent with wind speeds of approximately 100 mph.  However, one hog farm building in particular sustained significant damage to the roof, including the buckling of roof purlins which indicates winds of approximately 120 mph.  Also at this location, there were some indications of a potential anticyclonc circulation, but it is currently inconclusive as to the cause of this rotation.  Most of the damage in Beaver County occurred between 8:00 p.m. and 8:30 p.m.  There were no injuries or fatalities with this event.  We would like to thank the Beaver County Emergency Management as well as members of the public for their images.  This is a preliminary report and is subject to revision based on any new or additional information.
 
 Tree toppled
 Hog farm damaged
 Roof damage to a hog far
 Tree toppled.  Roof damage to a hog farm building.  Damage to a hog farm building.
     
Hog farm damage Roof damage to hog farm Roof damage to hog farm 
Hog farm damage. Roof damage to a hog farm. Major roof damage to a hog farm.

 
Gray County, TX Survey
BEGIN 6 miles SSW of Pampa
END Near Laketon
LENGTH 17 miles
WIND SPEEDS Up to 90 mph

The National Weather Service in Amarillo has completed a damage assessment from the downburst event in Gray County, TX on August 9.  Damage was first discovered at the intersection of County Road 3 and Davis Road approximately 6 miles south southwest of Pampa.  The sporadic path of the damage continued east northeast for roughly 17 miles to Laketon.  Along this path, at least two dozen utility poles were snapped or uprooted south and southeast of Pampa, several trees were downed, a few outbuildings and barns were destroyed, and an old wooden grain elevator was toppled in Laketon (13 miles east of Pampa).  Wind speeds were estimated between 80 and 90 mph. Most of the damage in Gray County occurred between 7:10 p.m. and 7:30 p.m.  There were no injuries or fatalities reported with this evening.  We would like to thank the Pampa/Gray County Emergency Management as well as members of the public for their images and videos.  This is a preliminary report and is subject to revision based on any new or additional information.
Powerline downed Wooden elevator grain toppled Powerline snapped
Powerline knocked down. Old wooden grain elevator toppled. Powerline snapped.


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