May 18 - 19, 2010 Severe Weather

From the evening of May 18 through the early morning hours of May 19, 2010 an intense low pressure system and the development of a dry line resulted in numerous severe thunderstorms across the Oklahoma and northern Texas Panhandles. In all, the National Weather Service office in Amarillo had over 70 severe weather reports. This included up to baseball sized hail as well as many tornado reports. There were a total of 14 tornadoes.
 

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Tornadoes:    Hail Reports:    Wind Reports:
 
Color legend for EF scale ratings.

This survey data is preliminary and subject to change as more information becomes available.  Road accessibility and inconsistencies between mapping and GPS software may limit the accuracy of the tracks plotted on this map. Line widths are not representative of actual tornado widths.  The information plotted on this map is intended for general reference use only.

For official post-storm information, use Storm Data from the National Climatic Data Center.

 

The first tornado touched down 4 miles south southeast of Hartley at 5:32 p.m. The tornado was on the ground for 1 mile with a maximum width of 50 yards. The tornado dissipated at 5:36 p.m. This tornado was rated an EF-0. No damage or injuries were reported.

The second tornado touched down 8 miles southeast of Hartley at 5:41 p.m. The tornado was on the ground for 1 mile with a maximum width of 100 yards. The tornado dissipated at 5:44 p.m. This tornado was rated an EF-0. No damage or injuries were reported.

The third tornado touched down 11 miles west of Dumas at 555 pm cdt.  The tornado was on the ground for one half mile with a maximum width of 25 yards. The tornado dissipated at 557 p.m. This tornado was rated an EF-0. No damage or injuries were reported.

The fourth tornado touched down 2 miles south southwest of Dumas at 6:28 p.m. The tornado was on the ground for 1 mile with a maximum width of 25 yards. The tornado dissipated at 6:30 p.m. two miles southeast of Dumas. This tornado was rated an EF-0. No damage or injuries were reported.

The fifth tornado touched down 2 miles east of Dumas at 6:42 p.m.  The tornado was on the ground for 1 mile with a maximum width of 200 yards. The tornado dissipated at 6:45 p.m. This tornado was rated an EF-0. No damage or injuries were reported.

The sixth tornado touched down 3 miles south southwest of Pringle, or 6 miles northwest of Stinnett at 7:44 p.m. The tornado was on the ground for 6 miles with a maxiumum width of 300 yards. The tornado moved to the north and dissipated at 8:00 p.m. 3 miles northwest of Pringle. A National Weather Service survey team found significant damage to a farm located on County Road J between County Road 8 and County Road 9. A large portion of the roof was removed from the residence with considerable damage to several small sheds in the vicinity. Numerous trees were stripped with many broken large branches. A pickup behind the residence was flipped upside down with the cab smashed. Several power poles were snapped along County Road J just to the east of the residence with additional damage sustained to a few irragation pivots. A storage bin and large fuel tank were found up to 50 yards to the east northeast of their original locations.  This tornado was rated an EF-2.  One resident was at home at the time but no injuries were reported.

The seventh tornado touched down 15 miles northwest of Guymon at 7:44 p.m. The tornado was on the ground for one half mile with a maximum width of 25 yards. The tornado dissipated at 7:46 p.m.  This tornado was rated an EF-0. No damage or injuries were reported.

The eighth tornado touched down 3 miles east northeast of Ware at 8:52 p.m. The tornado was on the ground for one half mile with a maximum width of 25 yards. The tornado dissipated at 8:53 p.m. This tornado was rated an EF-0. No damage or injuries were reported. 

The ninth tornado touched down 8 miles west of Conlen at 9:30 p.m.  This tornado was on the ground for 4 miles with a maximum width of 25 yards. The tornado dissipated at 9:42 p.m. This tornado was rated an EF-0. No damage or injuries were reported.

The tenth tornado touched down 2 miles west of Stratford at 10:40 p.m. This tornado had a maximum width of 50 yards. The tornado dissipated at 10:43 p.m. This tornado was rated an EF-0. No damage or injuries were reported.

The eleventh tornado touched down 15 miles east of Stratford at 11:27 p.m. The tornado was on the ground for 1 mile with a maximum width of one half mile. The tornado dissipated at 11:31 p.m. This tornado was rated an EF-0. A few irrigation pivots were damaged.

The twelfth tornado touched down 4 miles north northwest of Gruver at 12:12 a.m. The tornado was on the ground for one half mile with a maximum width of 25 yards. The tornado dissipated at 12:14 a.m.  This tornado was rated an EF-0.  No damage or injuries were reported.

The thirteenth tornado touched down 3 miles south southwest of Pringle at 1:56 a.m. approximately one quarter mile southwest of the residence impacted by tornado six. A National Weather Service survey team found a metal barn completely destroyed with the sturdy steel frame found 40 feet north northeast of its original location. Several large tractors suffered significant damage with the cab windows blown out.  One tractor was moved a few feet to the north. This tornado was on the ground for less than one half mile and dissipated at 1:57 a.m. with a maximum width of 100 yards and has been rated an EF-1.  No injuries were reprorted.

The fourteenth tornado touched down 14 miles southwest of Wolf Creek Park in extreme southern Ochiltree County at 3:32 a.m. This tornado was on the ground for 1 mile dissipating 13 miles southwest of Wolf Creek Park at 3:34 a.m. with a maximum width of 50 yards.  This tornado was rated an EF-0.  No damage or injuries were reported.

This is a preliminary report and is subject to revision based on any new or additional information.

The National Weather Service in Amarillo would like to thank national and local media outlets, research meteorologists, emergency managers, local law enforcement, and numerous local spotter networks for timely reports and detailed information.
 
 

Supercell near Highway 54

Tornadic supercell in Dallam County, TX.

Supercell in Dallam County. Photo courtesy of Aaron Graves.

Tornadic supercell in Dallam County. Photo courtesy of Marcus Diaz.

Supercell with wall cloud west of Dumas, TX.

  

Wall cloud west of Dumas. Photo courtesy of Raymond Brady.

   
Preliminary Storm Reports 
  
PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE AMARILLO TX
408 PM CDT THU MAY 20 2010

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0509 PM     HAIL             2 SW HARTLEY            35.87N 102.42W
05/18/2010  E1.00 INCH       HARTLEY            TX   TRAINED SPOTTER

0513 PM     HAIL             HARTLEY                 35.89N 102.40W
05/18/2010  E0.88 INCH       HARTLEY            TX   FIRE DEPT/RESCUE

0522 PM     HAIL             3 W HARTLEY             35.89N 102.45W
05/18/2010  E1.00 INCH       HARTLEY            TX   FIRE DEPT/RESCUE

            FM 998 AND COUNTY ROAD O

0523 PM     HAIL             3 E HARTLEY             35.89N 102.34W
05/18/2010  M1.75 INCH       HARTLEY            TX   BROADCAST MEDIA

            QUARTER TO GOLFBALL SIZE HAIL FALLING

0531 PM     HAIL             8 E HARTLEY             35.89N 102.25W
05/18/2010  E1.75 INCH       HARTLEY            TX   TRAINED SPOTTER

            REPORTED BY VORTEX 2

0532 PM     TORNADO          4 SSE HARTLEY           35.83N 102.37W
05/18/2010                   HARTLEY            TX   NWS EMPLOYEE

            OFF DUTY NWS EMPLOYEE REPORTED A BRIEF TORNADO
            TOUCHDOWN SEVERAL MILES NNW OF CHANNING.

0538 PM     HAIL             4 SE HARTLEY            35.84N 102.35W
05/18/2010  M2.75 INCH       HARTLEY            TX   BROADCAST MEDIA

0540 PM     HAIL             4 ESE HARTLEY           35.87N 102.33W
05/18/2010  M2.50 INCH       HARTLEY            TX   CO-OP OBSERVER

0541 PM     HAIL             3 SE HARTLEY            35.85N 102.36W
05/18/2010  E2.75 INCH       HARTLEY            TX   AMATEUR RADIO

0541 PM     TORNADO          8 ESE HARTLEY           35.84N 102.27W
05/18/2010                   HARTLEY            TX   STORM CHASER

            VORTEX2 REPORT

0543 PM     HAIL             6 E HARTLEY             35.89N 102.29W
05/18/2010  E2.75 INCH       HARTLEY            TX   TRAINED SPOTTER

            REPORTED BY VORTEX 2

0554 PM     HAIL             11 WNW DUMAS            35.89N 102.15W
05/18/2010  M1.75 INCH       MOORE              TX   EMERGENCY MNGR

0555 PM     TORNADO          11 W DUMAS              35.85N 102.17W
05/18/2010                   HARTLEY            TX   STORM CHASER

0606 PM     HAIL             10 W DUMAS              35.86N 102.14W
05/18/2010  M2.50 INCH       MOORE              TX   TRAINED SPOTTER

0616 PM     HAIL             3 NW DUMAS              35.89N 102.00W
05/18/2010  E1.75 INCH       MOORE              TX   TRAINED SPOTTER

0627 PM     HAIL             2 NW DUMAS              35.88N 101.99W
05/18/2010  E2.75 INCH       MOORE              TX   PUBLIC

0628 PM     TORNADO          2 SSW DUMAS             35.84N 101.98W
05/18/2010                   MOORE              TX   TRAINED SPOTTER

            TORNADO PASSED JUST SOUTH OF DUMAS. REPORTED BY VORTEX2
            AND STORM CHASERS.

0628 PM     TSTM WND GST     3 W DUMAS               35.86N 102.01W
05/18/2010  M67 MPH          MOORE              TX   AWOS

0631 PM     HAIL             1 N DUMAS               35.88N 101.97W
05/18/2010  E1.50 INCH       MOORE              TX   PUBLIC

0634 PM     HAIL             1 NE DUMAS              35.87N 101.95W
05/18/2010  E1.75 INCH       MOORE              TX   PUBLIC

0634 PM     HAIL             DUMAS                   35.86N 101.97W
05/18/2010  E2.00 INCH       MOORE              TX   TRAINED SPOTTER

            VORTEX 2 REPORT.

0636 PM     HAIL             1 W DUMAS               35.86N 101.98W
05/18/2010  E1.75 INCH       MOORE              TX   PUBLIC

0638 PM     HAIL             1 NE DUMAS              35.87N 101.95W
05/18/2010  E1.50 INCH       MOORE              TX   PUBLIC

0642 PM     TORNADO          2 E DUMAS               35.86N 101.93W
05/18/2010                   MOORE              TX   TRAINED SPOTTER

            REPORTED BY VORTEX2 AND STORM CHASERS.

0659 PM     HAIL             3 NE DUMAS              35.89N 101.93W
05/18/2010  E1.25 INCH       MOORE              TX   PUBLIC

0708 PM     HAIL             15 E DUMAS              35.86N 101.70W
05/18/2010  M2.00 INCH       MOORE              TX   TRAINED SPOTTER

0718 PM     HAIL             11 NW STINNETT          35.93N 101.58W
05/18/2010  M2.75 INCH       HUTCHINSON         TX   TRAINED SPOTTER

0730 PM     HAIL             11 W STINNETT           35.82N 101.64W
05/18/2010  E1.00 INCH       MOORE              TX   PUBLIC

0730 PM     HAIL             19 E DUMAS              35.86N 101.63W
05/18/2010  M1.00 INCH       MOORE              TX   AMATEUR RADIO

0733 PM     HAIL             4 W PRINGLE             35.95N 101.53W
05/18/2010  E0.88 INCH       HUTCHINSON         TX   TRAINED SPOTTER

0737 PM     HAIL             9 NW STINNETT           35.91N 101.56W
05/18/2010  M1.75 INCH       HUTCHINSON         TX   TRAINED SPOTTER

0740 PM     HAIL             3 SSW PRINGLE           35.91N 101.48W
05/18/2010  E1.75 INCH       HUTCHINSON         TX   PUBLIC

0741 PM     HAIL             5 N STINNETT            35.89N 101.44W
05/18/2010  M0.88 INCH       HUTCHINSON         TX   AMATEUR RADIO

0744 PM     TORNADO          3 SSW PRINGLE           35.91N 101.48W
05/18/2010                   HUTCHINSON         TX   NWS STORM SURVEY

            TORNADO REMAINED ON THE GROUND FOR APPROXIMATELY 6
            MILES TO THE NORTHWEST OF STINNETT. REPORTED BY VORTEX2
            AND SEVERAL SPOTTERS AND CHASERS. CONSIDERABLE DAMAGE
            WAS FOUND TO A RESIDENCE ON CR J BETWEEN CR 8 AND CR 9
            NEAR WHERE THE TORNADO TOUCHED DOWN. THIS TORNADO HAS
            BEEN RATED AS EF2.

0744 PM     TORNADO          15 NW GUYMON            36.84N 101.67W
05/18/2010                   TEXAS              OK   EMERGENCY MNGR

            2 BRIEF TOUCHDOWNS.

0756 PM     HAIL             8 N STINNETT            35.94N 101.44W
05/18/2010  M2.75 INCH       HUTCHINSON         TX   BROADCAST MEDIA

0800 PM     HAIL             9 N STINNETT            35.95N 101.44W
05/18/2010  E2.00 INCH       HUTCHINSON         TX   TRAINED SPOTTER

0803 PM     HAIL             5 N STINNETT            35.89N 101.44W
05/18/2010  E1.75 INCH       HUTCHINSON         TX   PUBLIC

            HAIL IS 6 INCHES DEEP.

0805 PM     HAIL             6 N STINNETT            35.91N 101.44W
05/18/2010  E2.75 INCH       HUTCHINSON         TX   PUBLIC

            ALL WINDOWS IN HOUSE BROKEN. WINDOWS ON VEHICLES
            BROKEN.

0808 PM     HAIL             13 W WARE               36.15N 102.95W
05/18/2010  E1.00 INCH       DALLAM             TX   PUBLIC

0812 PM     HAIL             3 W PRINGLE             35.95N 101.51W
05/18/2010  E1.00 INCH       HUTCHINSON         TX   PUBLIC

0835 PM     HAIL             3 NW WARE               36.22N 102.75W
05/18/2010  E1.75 INCH       DALLAM             TX   TRAINED SPOTTER

            QUARTER TO GOLF BALL SIZE HAIL.

0835 PM     HAIL             9 NNE STINNETT          35.94N 101.38W
05/18/2010  E1.75 INCH       HUTCHINSON         TX   PUBLIC

            LARGE WHEAT CROP BEATEN DOWN.

0840 PM     HAIL             3 NW WARE               36.21N 102.75W
05/18/2010  E1.75 INCH       DALLAM             TX   PUBLIC

0842 PM     HAIL             20 SW GRUVER            36.05N 101.66W
05/18/2010  E0.75 INCH       SHERMAN            TX   TRAINED SPOTTER

0847 PM     HAIL             WARE                    36.18N 102.71W
05/18/2010  M1.00 INCH       DALLAM             TX   TRAINED SPOTTER

0852 PM     TORNADO          3 ENE WARE              36.20N 102.65W
05/18/2010                   DALLAM             TX   LAW ENFORCEMENT

            BRIEF TOUCHDOWN

0900 PM     HAIL             11 NW MORSE             36.15N 101.63W
05/18/2010  E1.00 INCH       SHERMAN            TX   TRAINED SPOTTER

0930 PM     TORNADO          8 W CONLEN              36.26N 102.37W
05/18/2010                   DALLAM             TX   TRAINED SPOTTER

            SEVERAL BRIEF TOUCHDOWNS OBSERVED BASED ON MULTIPLE
            REPORTS

0931 PM     HAIL             19 NW MIAMI             35.89N 100.88W
05/18/2010  E1.75 INCH       ROBERTS            TX   TRAINED SPOTTER

            VORTEX2 PROBE

0952 PM     TSTM WND GST     26 NW MIAMI             35.96N 100.97W
05/18/2010  M69 MPH          ROBERTS            TX   AWOS

1012 PM     TSTM WND GST     19 NW MIAMI             35.89N 100.88W
05/18/2010  M70 MPH          ROBERTS            TX   STORM CHASER

1040 PM     TORNADO          2 W STRATFORD           36.34N 102.11W
05/18/2010                   SHERMAN            TX   TRAINED SPOTTER

            3 BRIEF TORNADO TOUCHDOWNS WEST OF STRATFORD

1047 PM     HAIL             1 N STRATFORD           36.35N 102.07W
05/18/2010  E1.50 INCH       SHERMAN            TX   PUBLIC

1053 PM     HAIL             CANADIAN                35.91N 100.38W
05/18/2010  E1.25 INCH       HEMPHILL           TX   AMATEUR RADIO

1102 PM     HAIL             CANADIAN                35.91N 100.38W
05/18/2010  E2.00 INCH       HEMPHILL           TX   AMATEUR RADIO

1111 PM     HAIL             1 E CANADIAN            35.91N 100.37W
05/18/2010  M2.00 INCH       HEMPHILL           TX   TRAINED SPOTTER

1127 PM     TORNADO          15 E STRATFORD          36.34N 101.80W
05/18/2010                   SHERMAN            TX   TRAINED SPOTTER

            IRRIGATION PIVOTS DAMAGED BY LARGE TORNADO

1150 PM     HAIL             2 NNE CANADIAN          35.94N 100.37W
05/18/2010  E1.75 INCH       HEMPHILL           TX   PUBLIC

1212 AM     TORNADO          4 NNW GRUVER            36.31N 101.44W
05/19/2010                   HANSFORD           TX   STORM CHASER

            BRIEF TOUCHDOWN. RELAYED THROUGH SPOTTER NETWORK

1240 AM     HAIL             12 NNE GRUVER           36.42N 101.33W
05/19/2010  E1.75 INCH       HANSFORD           TX   PUBLIC

0110 AM     HAIL             DUMAS                   35.86N 101.97W
05/19/2010  E1.25 INCH       MOORE              TX   LAW ENFORCEMENT

0113 AM     HAIL             DUMAS                   35.86N 101.97W
05/19/2010  E1.75 INCH       MOORE              TX   TRAINED SPOTTER

0116 AM     HAIL             1 N DUMAS               35.88N 101.97W
05/19/2010  E1.50 INCH       MOORE              TX   STORM CHASER

            RELAYED THROUGH SPOTTER NETWORK

0156 AM     TORNADO          4 SSW PRINGLE           35.90N 101.49W
05/19/2010                   HUTCHINSON         TX   NWS STORM SURVEY

            BARN WAS DESTROYED WITH SIGNIFICANT DAMAGE TO SEVERAL
            TRACTORS. TORNADO WAS ONLY ONE QUARTER OF A MILE FROM
            DAMAGE SUSTAINED EARLIER IN THE EVENING BY PREVIOUS
            TORNADO. TORNADO HAS BEEN RATED EF1.

0320 AM     HAIL             HIGGINS                 36.12N 100.03W
05/19/2010  E1.75 INCH       LIPSCOMB           TX   TRAINED SPOTTER

0326 AM     HAIL             1 S HIGGINS             36.11N 100.03W
05/19/2010  E1.00 INCH       LIPSCOMB           TX   TRAINED SPOTTER

0330 AM     HAIL             13 SE SPEARMAN          36.06N 101.03W
05/19/2010  E1.75 INCH       OCHILTREE          TX   PUBLIC

0332 AM     TORNADO          14 SW WOLF CREEK PARK   36.07N 100.82W
05/19/2010                   OCHILTREE          TX   STORM CHASER

            TORNADO MADE SEVERAL BRIEF TOUCHDOWNS IN EXTREME
            SOUTHERN OCHILTREE COUNTY.

0400 AM     HAIL             WOLF CREEK PARK         36.21N 100.65W
05/19/2010  E0.75 INCH       OCHILTREE          TX   TRAINED SPOTTER


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