Alert archive / Texas / Severe Thunderstorm Watches in 2013
Severe Thunderstorm Watch 64
The Storm Prediction Center issued this severe thunderstorm watch at Mar 29, 2013, 3:56 PM CDT for 28 counties in Oklahoma; 48 counties in Texas. It was in force for 7 hr.
The area
The outline as issued.
The facts
- Issued
- Mar 29, 2013, 3:56 PM CDT (20:56 UTC)
- Expired
- Mar 29, 2013, 11:00 PM CDT
- In force
- 7 hr
- Issued by
- the Storm Prediction Center
- Largest hail expected
- 2 in
- Strongest gust expected
- 60 kt
All 76 counties
Beckham County, OK, Blaine County, OK, Caddo County, OK, Canadian County, OK, Comanche County, OK, Cotton County, OK, Custer County, OK, Dewey County, OK, Ellis County, OK, Garfield County, OK, Greer County, OK, Harmon County, OK, Jackson County, OK, Jefferson County, OK, Kay County, OK, Kingfisher County, OK, Kiowa County, OK, Lincoln County, OK, Logan County, OK, Love County, OK, Major County, OK, Noble County, OK, Oklahoma County, OK, Payne County, OK, Roger Mills County, OK, Tillman County, OK, Washita County, OK, Woodward County, OK, Archer County, TX, Baylor County, TX, Borden County, TX, Briscoe County, TX, Callahan County, TX, Childress County, TX, Clay County, TX, Coke County, TX, Collingsworth County, TX, Cottle County, TX, Crosby County, TX, Dawson County, TX, Dickens County, TX, Donley County, TX, Fisher County, TX, Floyd County, TX, Foard County, TX, Garza County, TX, Glasscock County, TX, Gray County, TX, Hall County, TX, Hardeman County, TX, Haskell County, TX, Hemphill County, TX, Howard County, TX, Jones County, TX, Kent County, TX, King County, TX, Knox County, TX, Lipscomb County, TX, Lynn County, TX, Martin County, TX, Midland County, TX, Mitchell County, TX, Motley County, TX, Nolan County, TX, Ochiltree County, TX, Roberts County, TX, Runnels County, TX, Scurry County, TX, Shackelford County, TX, Sterling County, TX, Stonewall County, TX, Taylor County, TX, Throckmorton County, TX, Wheeler County, TX, Wichita County, TX, Wilbarger County, TX
The radar
The Altus AFB radar (KFDR), 108 km from the middle of the area, began a volume at 20:57 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
- 10%
- One or more EF2 to EF5 tornadoes
- 5%
- Ten or more severe wind reports
- 30%
- One or more gusts of 65 knots or more
- 20%
- Ten or more severe hail reports
- 70%
- One or more hailstones of 2 inches or more
- 20%
- Six or more combined severe hail and wind reports
- 90%
Warnings issued inside it
29 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 29, 5:52 PM CDT | Severe Thunderstorm Warning | SJT | Nolan | 38 min |
| Mar 29, 5:53 PM CDT | Severe Thunderstorm Warning | LUB | Crosby, Floyd | 22 min |
| Mar 29, 5:55 PM CDT | Severe Thunderstorm Warning | OUN | Canadian, Kingfisher | 50 min |
| Mar 29, 5:55 PM CDT | Severe Thunderstorm Warning | OUN | Tillman | 50 min |
| Mar 29, 6:25 PM CDT | Severe Thunderstorm Warning | LUB | Crosby, Dickens | 65 min |
| Mar 29, 6:28 PM CDT | Severe Thunderstorm Warning | SJT | Coleman, Runnels | 32 min |
| Mar 29, 6:40 PM CDT | Severe Thunderstorm Warning | OUN | Cotton | 50 min |
| Mar 29, 6:42 PM CDT | Severe Thunderstorm Warning | OUN | Comanche, Kiowa, Tillman | 48 min |
| Mar 29, 6:46 PM CDT | Severe Thunderstorm Warning | OUN | Canadian, Oklahoma | 44 min |
| Mar 29, 6:46 PM CDT | Severe Thunderstorm Warning | LUB | Hall | 29 min |
| Mar 29, 6:47 PM CDT | Severe Thunderstorm Warning | OUN | Kingfisher, Logan | 43 min |
| Mar 29, 7:08 PM CDT | Severe Thunderstorm Warning | LUB | Dickens | 37 min |
| Mar 29, 7:27 PM CDT | Severe Thunderstorm Warning | OUN | Garfield, Kingfisher, Logan | 48 min |
| Mar 29, 7:31 PM CDT | Severe Thunderstorm Warning | OUN | Cotton, Tillman | 44 min |
| Mar 29, 7:57 PM CDT | Severe Thunderstorm Warning | LUB | Garza | 33 min |
| Mar 29, 8:06 PM CDT | Severe Thunderstorm Warning | OUN | Cotton | 39 min |
| Mar 29, 8:11 PM CDT | Severe Thunderstorm Warning | OUN | Garfield, Noble | 49 min |
| Mar 29, 8:11 PM CDT | Severe Thunderstorm Warning | OUN | Payne | 49 min |
| Mar 29, 8:13 PM CDT | Severe Thunderstorm Warning | OUN | Logan | 47 min |
| Mar 29, 8:28 PM CDT | Severe Thunderstorm Warning | LUB | Floyd | 32 min |
| Mar 29, 8:30 PM CDT | Severe Thunderstorm Warning | LUB | Garza | 30 min |
| Mar 29, 8:41 PM CDT | Severe Thunderstorm Warning | OUN | Baylor, Foard, Hardeman, Knox, Wilbarger | 49 min |
| Mar 29, 8:50 PM CDT | Severe Thunderstorm Warning | OUN | Clay | 40 min |
| Mar 29, 9:00 PM CDT | Severe Thunderstorm Warning | OUN | Logan, Oklahoma | 45 min |
| Mar 29, 9:12 PM CDT | Severe Thunderstorm Warning | OUN | Comanche, Cotton, Tillman | 48 min |
| Mar 29, 9:26 PM CDT | Severe Thunderstorm Warning | OUN | Cotton, Jefferson | 49 min |
| Mar 29, 9:34 PM CDT | Severe Thunderstorm Warning | OUN | Wichita, Wilbarger | 41 min |
| Mar 29, 9:58 PM CDT | Severe Thunderstorm Warning | OUN | Comanche, Cotton, Tillman | 47 min |
| Mar 29, 10:10 PM CDT | Severe Thunderstorm Warning | OUN | Jefferson | 50 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
Amarillo Airport, TX (KAMA), launched 12:00Z, 8.9 hours before the alert went out and 166 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 2907 m above ground
- 0-6 km bulk shear
- 20 kt
- 0-1 km storm-relative helicity
- 118 m²/s²
- 0-3 km storm-relative helicity
- 97 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 29, 3:22 PM CDT | Mesoscale Discussion | SPC | Beckham, Greer, Harmon, Jackson | 2 hr |
Nearby
Severe Thunderstorm Watches in Texas, 2013Severe Thunderstorm Watches in Oklahoma, 2013Every severe thunderstorm watch in 2013
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.