Alert archive / Texas / Severe Thunderstorm Watches in 2021
Severe Thunderstorm Watch 315
The Storm Prediction Center issued this severe thunderstorm watch at Jun 25, 2021, 1:30 PM MDT for 4 states. It was in force for 10 hr.
The area
The outline as issued.
The facts
- Issued
- Jun 25, 2021, 1:30 PM MDT (19:30 UTC)
- Expired
- Jun 25, 2021, 11:00 PM MDT
- In force
- 10 hr
- Issued by
- the Storm Prediction Center
- Largest hail expected
- 2.5 in
- Strongest gust expected
- 65 kt
All 74 counties
Baca County, CO, Bent County, CO, Kiowa County, CO, Prowers County, CO, Barber County, KS, Barton County, KS, Clark County, KS, Comanche County, KS, Edwards County, KS, Finney County, KS, Ford County, KS, Grant County, KS, Gray County, KS, Hamilton County, KS, Haskell County, KS, Hodgeman County, KS, Kearny County, KS, Kiowa County, KS, Lane County, KS, Meade County, KS, Morton County, KS, Ness County, KS, Pawnee County, KS, Pratt County, KS, Rush County, KS, Scott County, KS, Seward County, KS, Stafford County, KS, Stanton County, KS, Stevens County, KS, Beaver County, OK, Cimarron County, OK, Ellis County, OK, Harper County, OK, Roger Mills County, OK, Texas County, OK, Woods County, OK, Woodward County, OK, Armstrong County, TX, Bailey County, TX, Briscoe County, TX, Carson County, TX, Castro County, TX, Childress County, TX, Cochran County, TX, Collingsworth County, TX, Cottle County, TX, Crosby County, TX, Dallam County, TX, Deaf Smith County, TX, Donley County, TX, Floyd County, TX, Gray County, TX, Hale County, TX, Hall County, TX, Hansford County, TX, Hartley County, TX, Hemphill County, TX, Hockley County, TX, Hutchinson County, TX, Lamb County, TX, Lipscomb County, TX, Lubbock County, TX, Moore County, TX, Motley County, TX, Ochiltree County, TX, Oldham County, TX, Parmer County, TX, Potter County, TX, Randall County, TX, Roberts County, TX, Sherman County, TX, Swisher County, TX, Wheeler County, TX
The radar
The Dodge City radar (KDDC), 155 km from the middle of the area, began a volume at 19:31 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
What SPC expected
The probabilities SPC published with the watch, for the watch area over its life.
- Two or more tornadoes
- 20%
- One or more EF2 to EF5 tornadoes
- 5%
- Ten or more severe wind reports
- 50%
- One or more gusts of 65 knots or more
- 30%
- Ten or more severe hail reports
- 60%
- One or more hailstones of 2 inches or more
- 30%
- Six or more combined severe hail and wind reports
- 90%
Warnings issued inside it
54 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 25, 1:50 PM MDT | Severe Thunderstorm Warning | AMA | Hemphill, Lipscomb, Roberts | 55 min |
| Jun 25, 2:01 PM MDT | Severe Thunderstorm Warning | PUB | Baca | 74 min |
| Jun 25, 2:01 PM MDT | Severe Thunderstorm Warning | AMA | Hartley, Oldham, Potter | 59 min |
| Jun 25, 2:24 PM MDT | Severe Thunderstorm Warning | AMA | Cimarron | 66 min |
| Jun 25, 2:24 PM MDT | Severe Thunderstorm Warning | AMA | Hemphill, Lipscomb | 51 min |
| Jun 25, 2:27 PM MDT | Severe Thunderstorm Warning | AMA | Hartley, Moore, Oldham, Potter | 63 min |
| Jun 25, 2:51 PM MDT | Severe Thunderstorm Warning | AMA | Armstrong, Donley, Gray | 54 min |
| Jun 25, 2:52 PM MDT | Severe Thunderstorm Warning | OUN | Ellis | 53 min |
| Jun 25, 2:56 PM MDT | Severe Thunderstorm Warning | AMA | Hartley, Moore, Oldham, Potter | 79 min |
| Jun 25, 2:59 PM MDT | Severe Thunderstorm Warning | PUB | Baca | 61 min |
| Jun 25, 3:02 PM MDT | Severe Thunderstorm Warning | AMA | Dallam, Hartley, Hutchinson, Moore, Sherman | 41 min |
| Jun 25, 3:13 PM MDT | Severe Thunderstorm Warning | DDC | Morton | 47 min |
| Jun 25, 3:26 PM MDT | Severe Thunderstorm Warning | OUN | Ellis, Harper, Woodward | 49 min |
| Jun 25, 3:26 PM MDT | Severe Thunderstorm Warning | AMA | Gray, Hemphill, Lipscomb, Roberts, Wheeler | 64 min |
| Jun 25, 3:39 PM MDT | Severe Thunderstorm Warning | AMA | Armstrong, Carson, Hutchinson, Moore, Potter | 66 min |
| Jun 25, 3:44 PM MDT | Severe Thunderstorm Warning | AMA | Collingsworth, Donley, Gray, Wheeler | 47 min |
| Jun 25, 3:47 PM MDT | Severe Thunderstorm Warning | AMA | Cimarron, Texas | 58 min |
| Jun 25, 3:57 PM MDT | Severe Thunderstorm Warning | DDC | Morton, Stevens | 48 min |
| Jun 25, 4:02 PM MDT | Severe Thunderstorm Warning | DDC | Morton | 43 min |
| Jun 25, 4:03 PM MDT | Severe Thunderstorm Warning | OUN | Ellis, Roger Mills | 42 min |
| Jun 25, 4:06 PM MDT | Severe Thunderstorm Warning | OUN | Harper, Woods, Woodward | 36 min |
| Jun 25, 4:20 PM MDT | Severe Thunderstorm Warning | DDC | Barber, Comanche | 55 min |
| Jun 25, 4:32 PM MDT | Severe Thunderstorm Warning | LUB | Castro, Swisher | 28 min |
| Jun 25, 4:33 PM MDT | Severe Thunderstorm Warning | AMA | Carson, Gray, Hutchinson, Roberts | 57 min |
| Jun 25, 4:36 PM MDT | Severe Thunderstorm Warning | AMA | Cimarron, Texas | 69 min |
| Jun 25, 4:40 PM MDT | Severe Thunderstorm Warning | DDC | Stevens | 65 min |
| Jun 25, 4:43 PM MDT | Severe Thunderstorm Warning | DDC | Morton | 62 min |
| Jun 25, 4:44 PM MDT | Severe Thunderstorm Warning | OUN | Ellis, Roger Mills | 27 min |
| Jun 25, 4:48 PM MDT | Severe Thunderstorm Warning | DDC | Barber, Comanche, Ford, Kiowa, Pratt | 42 min |
| Jun 25, 5:11 PM MDT | Severe Thunderstorm Warning | DDC | Seward, Stevens | 64 min |
| Jun 25, 5:14 PM MDT | Severe Thunderstorm Warning | LUB | Crosby, Lubbock, Lynn | 22 min |
| Jun 25, 5:16 PM MDT | Severe Thunderstorm Warning | AMA | Beaver | 89 min |
| Jun 25, 5:17 PM MDT | Severe Thunderstorm Warning | DDC | Barber, Pratt | 58 min |
| Jun 25, 5:21 PM MDT | Severe Thunderstorm Warning | AMA | Beaver, Texas | 69 min |
| Jun 25, 5:23 PM MDT | Severe Thunderstorm Warning | LUB | Swisher | 39 min |
| Jun 25, 5:27 PM MDT | Severe Thunderstorm Warning | DDC | Edwards, Kiowa, Pratt, Stafford | 63 min |
| Jun 25, 5:40 PM MDT | Severe Thunderstorm Warning | DDC | Meade, Seward | 65 min |
| Jun 25, 5:41 PM MDT | Severe Thunderstorm Warning | LUB | Crosby, Garza | 49 min |
| Jun 25, 5:52 PM MDT | Severe Thunderstorm Warning | AMA | Collingsworth, Donley, Gray, Wheeler | 53 min |
| Jun 25, 6:11 PM MDT | Severe Thunderstorm Warning | DDC | Stafford | 49 min |
| Jun 25, 6:22 PM MDT | Severe Thunderstorm Warning | DDC | Clark, Ford | 38 min |
| Jun 25, 6:39 PM MDT | Severe Thunderstorm Warning | AMA | Collingsworth, Wheeler | 45 min |
| Jun 25, 6:45 PM MDT | Severe Thunderstorm Warning | DDC | Ford, Gray | 33 min |
| Jun 25, 6:59 PM MDT | Severe Thunderstorm Warning | DDC | Edwards, Gray, Hodgeman, Pawnee | 34 min |
| Jun 25, 6:59 PM MDT | Severe Thunderstorm Warning | OUN | Beckham, Roger Mills | 46 min |
| Jun 25, 7:26 PM MDT | Severe Thunderstorm Warning | LUB | Briscoe, Swisher | 34 min |
| Jun 25, 7:28 PM MDT | Severe Thunderstorm Warning | OUN | Beckham, Custer, Dewey, Ellis, Roger Mills, Washita | 47 min |
| Jun 25, 7:40 PM MDT | Severe Thunderstorm Warning | AMA | Collingsworth, Donley | 95 min |
| Jun 25, 8:00 PM MDT | Severe Thunderstorm Warning | LUB | Briscoe, Floyd, Swisher | 19 min |
| Jun 25, 8:07 PM MDT | Severe Thunderstorm Warning | OUN | Blaine, Custer, Dewey, Major, Woodward | 38 min |
| Jun 25, 8:16 PM MDT | Severe Thunderstorm Warning | AMA | Armstrong, Donley | 59 min |
| Jun 25, 8:16 PM MDT | Severe Thunderstorm Warning | LUB | Briscoe | 18 min |
| Jun 25, 10:37 PM MDT | Severe Thunderstorm Warning | AMA | Gray, Hemphill, Wheeler | 53 min |
| Jun 25, 10:45 PM MDT | Severe Thunderstorm Warning | AMA | Armstrong, Carson, Collingsworth, Donley, Gray, Wheeler | 60 min |
Discussions around it
SPC mesoscale discussions over the same counties from four hours before the watch to its end.
The nearest sounding before it
Dodge City, (KDDC), launched 12:00Z, 7.5 hours before the alert went out and 159 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 170 J/kg
- Mixed-layer CIN
- -177 J/kg
- Mixed-layer LCL
- 1644 m above ground
- 0-6 km bulk shear
- 30 kt
- 0-1 km storm-relative helicity
- 165 m²/s²
- 0-3 km storm-relative helicity
- 168 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.4
The text
As transmitted.
586
WWUS20 KWNS 251929
SEL5
SPC WW 251929
COZ000-KSZ000-OKZ000-TXZ000-260300-
URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 315
NWS Storm Prediction Center Norman OK
230 PM CDT Fri Jun 25 2021
The NWS Storm Prediction Center has issued a
* Severe Thunderstorm Watch for portions of
Southeast Colorado
Southwest Kansas
Northwest Oklahoma
Northwest Texas
* Effective this Friday afternoon and evening from 230 PM until
1000 PM CDT.
* Primary threats include...
Scattered large hail likely with isolated very large hail events
to 2.5 inches in diameter possible
Scattered damaging winds and isolated significant gusts to 75
mph possible
A tornado or two possible
SUMMARY...Multiple corridors of severe thunderstorm development are
expected through late afternoon/early evening. Moderate to strong
instability and strengthening deep-layer winds will support some
supercells and sustained multicells, with storms eventually merging
into clusters by early evening. Damaging winds and large hail are
the primary risks.
The severe thunderstorm watch area is approximately along and 105
statute miles east and west of a line from 40 miles north of Garden
City KS to 15 miles southeast of Lubbock TX. For a complete
depiction of the watch see the associated watch outline update
(WOUS64 KWNS WOU5).
PRECAUTIONARY/PREPAREDNESS ACTIONS...
REMEMBER...A Severe Thunderstorm Watch means conditions are
favorable for severe thunderstorms in and close to the watch area.
Persons in these areas should be on the lookout for threatening
weather conditions and listen for later statements and possible
warnings. Severe thunderstorms can and occasionally do produce
tornadoes.
&&
OTHER WATCH INFORMATION...CONTINUE...WW 314...
AVIATION...A few severe thunderstorms with hail surface and aloft to
2.5 inches. Extreme turbulence and surface wind gusts to 65 knots. A
few cumulonimbi with maximum tops to 600. Mean storm motion vector
25020.
...GuyerSPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 25, 12:21 PM MDT | Mesoscale Discussion | SPC | Phillips, Yuma | 114 min |
| Jun 25, 1:11 PM MDT | Mesoscale Discussion | SPC | Baca, Bent, Cheyenne, Kiowa, Kit Carson, Otero and 1 more | 2 hr |
| Jun 25, 2:07 PM MDT | Severe Thunderstorm Watch | SPC | Cheyenne, Kit Carson, Lincoln, Washington, Yuma | 6 hr |
| Jun 25, 4:54 PM MDT | Mesoscale Discussion | SPC | Cheyenne, Kit Carson, Lincoln, Washington, Yuma | 66 min |
| Jun 24, 6:29 PM MDT | Mesoscale Discussion | SPC | Atchison, Brown, Doniphan, Jackson, Marshall, Nemaha and 2 more | 61 min |
| Jun 24, 7:13 PM MDT | Mesoscale Discussion | SPC | Barton, Edwards, Ellis, Ellsworth, Finney, Ford and 29 more | 2 hr |
| Jun 24, 7:33 PM MDT | Mesoscale Discussion | SPC | Atchison, Doniphan, Douglas, Franklin, Jefferson, Johnson and 3 more | 87 min |
| Jun 24, 7:57 PM MDT | Severe Thunderstorm Watch | SPC | Atchison, Douglas, Franklin, Geary, Jackson, Jefferson and 9 more | 6 hr |
| Jun 24, 9:30 PM MDT | Mesoscale Discussion | SPC | Clark, Edwards, Ellis, Finney, Ford, Gove and 14 more | 60 min |
| Jun 25, 12:40 AM MDT | Mesoscale Discussion | SPC | Allen, Anderson, Butler, Chase, Coffey, Dickinson and 16 more | 3 hr |
| Jun 25, 10:56 AM MDT | Mesoscale Discussion | SPC | Allen, Anderson, Bourbon, Butler, Chase, Coffey and 17 more | 3 hr |
| Jun 25, 12:43 PM MDT | Severe Thunderstorm Watch | SPC | Allen, Anderson, Bourbon, Butler, Chase, Coffey and 32 more | 9 hr |
| Jun 25, 2:13 PM MDT | Mesoscale Discussion | SPC | Anderson, Chase, Coffey, Douglas, Franklin, Johnson and 6 more | 2 hr |
| Jun 25, 5:21 PM MDT | Mesoscale Discussion | SPC | Allen, Bourbon, Butler, Greenwood, Harvey, Linn and 4 more | 84 min |
| Jun 25, 4:09 PM MDT | Mesoscale Discussion | SPC | Alfalfa, Beckham, Dewey, Ellis, Major, Roger Mills and 2 more | 96 min |
| Jun 25, 4:24 PM MDT | Severe Thunderstorm Watch | SPC | Alfalfa, Beckham, Blaine, Caddo, Canadian, Custer and 18 more | 7 hr |
Nearby
Severe Thunderstorm Watches in Texas, 2021Severe Thunderstorm Watches in Kansas, 2021Severe Thunderstorm Watches in Oklahoma, 2021Every severe thunderstorm watch in 2021
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.