Alert archive / Texas / Severe Thunderstorm Watches in 2001
Severe Thunderstorm Watch 162
The Storm Prediction Center issued this severe thunderstorm watch at Apr 21, 2001, 5:30 PM CDT for Beckham County, Harmon County, Oklahoma; 32 counties in Texas. It was in force for 6 hr.
The area
The outline as issued.
The facts
- Issued
- Apr 21, 2001, 5:30 PM CDT (22:30 UTC)
- Expired
- Apr 21, 2001, 11:00 PM CDT
- In force
- 6 hr
- Issued by
- the Storm Prediction Center
All 34 counties
Beckham County, OK, Harmon County, OK, Andrews County, TX, Armstrong County, TX, Borden County, TX, Briscoe County, TX, Carson County, TX, Childress County, TX, Collingsworth County, TX, Cottle County, TX, Crosby County, TX, Dawson County, TX, Dickens County, TX, Donley County, TX, Ector County, TX, Floyd County, TX, Gaines County, TX, Garza County, TX, Glasscock County, TX, Gray County, TX, Hale County, TX, Hall County, TX, Hockley County, TX, Howard County, TX, Kent County, TX, Lubbock County, TX, Lynn County, TX, Martin County, TX, Midland County, TX, Motley County, TX, Swisher County, TX, Terry County, TX, Wheeler County, TX, Winkler County, TX
The radar
The Lubbock radar (KLBB), 42 km from the middle of the area, began a volume at 22:32 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
11 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 21, 5:39 PM CDT | Severe Thunderstorm Warning | AMA | Donley | 66 min |
| Apr 21, 5:42 PM CDT | Severe Thunderstorm Warning | LUB | Lubbock | 48 min |
| Apr 21, 6:00 PM CDT | Severe Thunderstorm Warning | LUB | Briscoe | 60 min |
| Apr 21, 6:15 PM CDT | Severe Thunderstorm Warning | LUB | Terry | 60 min |
| Apr 21, 6:20 PM CDT | Severe Thunderstorm Warning | LUB | Hockley | 25 min |
| Apr 21, 6:27 PM CDT | Severe Thunderstorm Warning | LUB | Lubbock | 48 min |
| Apr 21, 6:32 PM CDT | Severe Thunderstorm Warning | LUB | Hall | 43 min |
| Apr 21, 6:47 PM CDT | Tornado Warning | LUB | Hall | 28 min |
| Apr 21, 6:49 PM CDT | Severe Thunderstorm Warning | AMA | Donley | 41 min |
| Apr 21, 7:31 PM CDT | Severe Thunderstorm Warning | LUB | Hall | 14 min |
| Apr 21, 9:56 PM CDT | Severe Thunderstorm Warning | AMA | Carson | 34 min |
The nearest sounding before it
Midland Regional, TX (KMAF), launched 12:00Z, 10.5 hours before the alert went out and 152 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
- 1186 J/kg
- Mixed-layer CIN
- -187 J/kg
- Mixed-layer LCL
- 1369 m above ground
- 0-6 km bulk shear
- 45 kt
- 0-1 km storm-relative helicity
- -4 m²/s²
- 0-3 km storm-relative helicity
- 8 m²/s²
- Significant tornado parameter
- -0.0
- Supercell composite
- -0.0
The text
The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.
Nearby
Severe Thunderstorm Watches in Texas, 2001Severe Thunderstorm Watches in Oklahoma, 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.