Alert archive / Texas / Severe Thunderstorm Watches in 2001
Severe Thunderstorm Watch 690
The Storm Prediction Center issued this severe thunderstorm watch at Aug 23, 2001, 3:30 PM CDT for Comanche County, Kansas; 6 counties in Oklahoma; 29 counties in Texas. It was in force for 6 hr.
The area
The outline as issued.
The facts
- Issued
- Aug 23, 2001, 3:30 PM CDT (20:30 UTC)
- Expired
- Aug 23, 2001, 9:00 PM CDT
- In force
- 6 hr
- Issued by
- the Storm Prediction Center
All 36 counties
Comanche County, KS, Beaver County, OK, Beckham County, OK, Ellis County, OK, Harper County, OK, Roger Mills County, OK, Woodward County, OK, Armstrong County, TX, Bailey County, TX, Briscoe County, TX, Carson County, TX, Castro County, TX, Cochran County, TX, Collingsworth County, TX, Deaf Smith County, TX, Donley County, TX, Floyd County, TX, Gray County, TX, Hale County, TX, Hall County, TX, Hansford County, TX, Hemphill County, TX, Hockley County, TX, Hutchinson County, TX, Lamb County, TX, Lipscomb County, TX, Moore County, TX, Ochiltree County, TX, Oldham County, TX, Parmer County, TX, Potter County, TX, Randall County, TX, Roberts County, TX, Swisher County, TX, Wheeler County, TX, Yoakum County, TX
The radar
The Amarillo radar (KAMA), 25 km from the middle of the area, began a volume at 20:30 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
15 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 23, 3:40 PM CDT | Severe Thunderstorm Warning | AMA | Armstrong, Donley, Gray | 50 min |
| Aug 23, 3:43 PM CDT | Severe Thunderstorm Warning | AMA | Potter | 62 min |
| Aug 23, 4:09 PM CDT | Severe Thunderstorm Warning | AMA | Carson | 66 min |
| Aug 23, 4:26 PM CDT | Severe Thunderstorm Warning | LUB | Lamb | 49 min |
| Aug 23, 4:29 PM CDT | Severe Thunderstorm Warning | AMA | Armstrong, Donley, Gray, Wheeler | 61 min |
| Aug 23, 5:08 PM CDT | Severe Thunderstorm Warning | LUB | Hockley | 52 min |
| Aug 23, 5:22 PM CDT | Severe Thunderstorm Warning | LUB | Hall | 38 min |
| Aug 23, 5:27 PM CDT | Severe Thunderstorm Warning | AMA | Collingsworth, Donley | 48 min |
| Aug 23, 5:38 PM CDT | Severe Thunderstorm Warning | AMA | Randall | 52 min |
| Aug 23, 5:55 PM CDT | Severe Thunderstorm Warning | LUB | Childress, Hall | 50 min |
| Aug 23, 6:04 PM CDT | Severe Thunderstorm Warning | LUB | Hockley | 26 min |
| Aug 23, 7:13 PM CDT | Severe Thunderstorm Warning | LUB | Hall | 32 min |
| Aug 23, 7:18 PM CDT | Severe Thunderstorm Warning | AMA | Hansford | 42 min |
| Aug 23, 7:58 PM CDT | Severe Thunderstorm Warning | AMA | Beaver | 47 min |
| Aug 23, 8:29 PM CDT | Severe Thunderstorm Warning | DDC | Comanche | 46 min |
The nearest sounding before it
Amarillo Airport, TX (KAMA), launched 12:00Z, 8.5 hours before the alert went out and 24 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
- 1321 J/kg
- Mixed-layer CIN
- -162 J/kg
- Mixed-layer LCL
- 1613 m above ground
- 0-6 km bulk shear
- 14 kt
- 0-1 km storm-relative helicity
- 61 m²/s²
- 0-3 km storm-relative helicity
- 110 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.
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 23, 1:30 PM CDT | Severe Thunderstorm Watch | SPC | Cheyenne, Decatur, Edwards, Ellis, Finney, Ford and 23 more | 7 hr |
| Aug 23, 5:00 PM CDT | Severe Thunderstorm Watch | SPC | Barton, Cloud, Dickinson, Ellis, Ellsworth, Jewell and 13 more | 5 hr |
Nearby
Severe Thunderstorm Watches in Texas, 2001Severe Thunderstorm Watches in Oklahoma, 2001Severe Thunderstorm Watches in Kansas, 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.