Alert archive / Texas / Severe Thunderstorm Watches in 2001
Severe Thunderstorm Watch 748
The Storm Prediction Center issued this severe thunderstorm watch at Sep 20, 2001, 6:00 PM CDT for 25 counties in Texas. It was in force for 5 hr.
The area
The outline as issued.
The facts
- Issued
- Sep 20, 2001, 6:00 PM CDT (23:00 UTC)
- Expired
- Sep 20, 2001, 11:00 PM CDT
- In force
- 5 hr
- Issued by
- the Storm Prediction Center
All 25 counties
Borden County, TX, Coke County, TX, Crane County, TX, Fisher County, TX, Garza County, TX, Glasscock County, TX, Haskell County, TX, Howard County, TX, Irion County, TX, Jones County, TX, Kent County, TX, Martin County, TX, Midland County, TX, Mitchell County, TX, Nolan County, TX, Reagan County, TX, Runnels County, TX, Scurry County, TX, Shackelford County, TX, Sterling County, TX, Stonewall County, TX, Taylor County, TX, Throckmorton County, TX, Tom Green County, TX, Upton County, TX
The radar
The Midland/Odessa radar (KMAF), 77 km from the middle of the area, began a volume at 23:01 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.
Warnings issued inside it
10 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 20, 6:47 PM CDT | Severe Thunderstorm Warning | LUB | King, Stonewall | 43 min |
| Sep 20, 6:57 PM CDT | Severe Thunderstorm Warning | SJT | Shackelford | 63 min |
| Sep 20, 7:19 PM CDT | Severe Thunderstorm Warning | SJT | Haskell | 71 min |
| Sep 20, 7:34 PM CDT | Severe Thunderstorm Warning | SJT | Fisher | 56 min |
| Sep 20, 7:42 PM CDT | Severe Thunderstorm Warning | LUB | Stonewall | 48 min |
| Sep 20, 7:49 PM CDT | Severe Thunderstorm Warning | SJT | Throckmorton | 71 min |
| Sep 20, 7:52 PM CDT | Severe Thunderstorm Warning | SJT | Nolan | 68 min |
| Sep 20, 7:58 PM CDT | Severe Thunderstorm Warning | SJT | Jones | 77 min |
| Sep 20, 8:35 PM CDT | Severe Thunderstorm Warning | SJT | Shackelford | 70 min |
| Sep 20, 8:35 PM CDT | Severe Thunderstorm Warning | SJT | Taylor | 70 min |
The nearest sounding before it
Midland Regional, TX (KMAF), launched 12:00Z, 11.0 hours before the alert went out and 78 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
- 884 J/kg
- Mixed-layer CIN
- -251 J/kg
- Mixed-layer LCL
- 1694 m above ground
- 0-6 km bulk shear
- 27 kt
- 0-1 km storm-relative helicity
- 34 m²/s²
- 0-3 km storm-relative helicity
- 87 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.4
The text
The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 20, 3:45 PM CDT | Severe Thunderstorm Watch | SPC | Baylor, Briscoe, Childress, Collingsworth, Cottle, Crosby and 16 more | 5 hr |
Nearby
Severe Thunderstorm Watches in Texas, 2001Every severe thunderstorm watch in 2001
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.