Alert archive / Texas / Severe Thunderstorm Watches in 2001
Severe Thunderstorm Watch 243
The Storm Prediction Center issued this severe thunderstorm watch at May 17, 2001, 9:30 PM CDT for 19 counties in Oklahoma; 29 counties in Texas. It was in force for 6 hr.
The area
The outline as issued.
The facts
- Issued
- May 17, 2001, 9:30 PM CDT (02:30 UTC)
- Expired
- May 18, 2001, 3:00 AM CDT
- In force
- 6 hr
- Issued by
- the Storm Prediction Center
All 48 counties
Alfalfa County, OK, Beaver County, OK, Beckham County, OK, Blaine County, OK, Custer County, OK, Dewey County, OK, Ellis County, OK, Garfield County, OK, Grant County, OK, Greer County, OK, Harmon County, OK, Harper County, OK, Jackson County, OK, Kiowa County, OK, Major County, OK, Roger Mills County, OK, Washita County, OK, Woods County, OK, Woodward County, OK, Armstrong 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, Dickens County, TX, Donley County, TX, Floyd County, TX, Foard County, TX, Gray County, TX, Hale County, TX, Hall County, TX, Hardeman County, TX, Hemphill County, TX, Hockley County, TX, King County, TX, Lamb County, TX, Lipscomb County, TX, Lubbock County, TX, Motley County, TX, Ochiltree County, TX, Randall County, TX, Roberts County, TX, Swisher County, TX, Wheeler County, TX
The radar
The Amarillo radar (KAMA), 86 km from the middle of the area, began a volume at 02:32 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
18 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 17, 9:46 PM CDT | Severe Thunderstorm Warning | OUN | Foard | 44 min |
| May 17, 9:51 PM CDT | Severe Thunderstorm Warning | AMA | Randall | 54 min |
| May 17, 9:55 PM CDT | Severe Thunderstorm Warning | AMA | Carson | 65 min |
| May 17, 10:34 PM CDT | Severe Thunderstorm Warning | AMA | Gray, Roberts | 26 min |
| May 17, 10:44 PM CDT | Severe Thunderstorm Warning | AMA | Randall | 46 min |
| May 17, 10:48 PM CDT | Severe Thunderstorm Warning | AMA | Armstrong | 42 min |
| May 17, 10:56 PM CDT | Severe Thunderstorm Warning | LUB | Childress | 49 min |
| May 17, 10:59 PM CDT | Severe Thunderstorm Warning | AMA | Carson | 31 min |
| May 17, 11:00 PM CDT | Severe Thunderstorm Warning | AMA | Donley, Gray | 60 min |
| May 17, 11:00 PM CDT | Severe Thunderstorm Warning | AMA | Roberts | 60 min |
| May 17, 11:25 PM CDT | Severe Thunderstorm Warning | AMA | Collingsworth, Wheeler | 65 min |
| May 17, 11:38 PM CDT | Severe Thunderstorm Warning | OUN | Hardeman | 52 min |
| May 17, 11:54 PM CDT | Severe Thunderstorm Warning | AMA | Donley | 51 min |
| May 18, 12:18 AM CDT | Severe Thunderstorm Warning | OUN | Jackson | 42 min |
| May 18, 12:58 AM CDT | Severe Thunderstorm Warning | LUB | Childress, Cottle, Hall | 47 min |
| May 18, 12:58 AM CDT | Severe Thunderstorm Warning | LUB | Motley | 47 min |
| May 18, 1:30 AM CDT | Severe Thunderstorm Warning | OUN | Jackson | 45 min |
| May 18, 1:51 AM CDT | Severe Thunderstorm Warning | OUN | Comanche, Kiowa | 39 min |
The nearest sounding before it
Amarillo Airport, TX (KAMA), launched 00:00Z, 2.5 hours before the alert went out and 85 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
- 1564 J/kg
- Mixed-layer CIN
- -85 J/kg
- Mixed-layer LCL
- 1673 m above ground
- 0-6 km bulk shear
- 24 kt
- 0-1 km storm-relative helicity
- -2 m²/s²
- 0-3 km storm-relative helicity
- 103 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.6
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 |
|---|---|---|---|---|
| May 18, 2:00 AM CDT | Severe Thunderstorm Watch | SPC | Caddo, Canadian, Cleveland, Comanche, Cotton, Garvin and 7 more | 4 hr |
| May 18, 3:30 AM CDT | Severe Thunderstorm Watch | SPC | Atoka, Bryan, Carter, Choctaw, Coal, Haskell and 13 more | 5 hr |
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.