Alert archive / Texas / Severe Thunderstorm Watches in 1997
Severe Thunderstorm Watch 263
The Storm Prediction Center issued this severe thunderstorm watch at May 7, 1997, 5:00 PM CDT for Cotton County, Tillman County, Oklahoma; 41 counties in Texas. It was in force for 6 hr.
The area
The outline as issued.
The facts
- Issued
- May 7, 1997, 5:00 PM CDT (22:00 UTC)
- Expired
- May 7, 1997, 11:00 PM CDT
- In force
- 6 hr
- Issued by
- the Storm Prediction Center
All 43 counties
Cotton County, OK, Tillman County, OK, Baylor County, TX, Borden County, TX, Coke County, TX, Cottle County, TX, Crane County, TX, Crockett County, TX, Crosby County, TX, Dawson County, TX, Dickens County, TX, Ector County, TX, Fisher County, TX, Floyd County, TX, Foard County, TX, Garza County, TX, Glasscock County, TX, Hardeman County, TX, Haskell County, TX, Howard County, TX, Irion County, TX, Jones County, TX, Kent County, TX, King County, TX, Knox County, TX, Lynn County, TX, Martin County, TX, Midland County, TX, Mitchell County, TX, Motley County, TX, Nolan County, TX, Pecos County, TX, Reagan County, TX, Scurry County, TX, Sterling County, TX, Stonewall County, TX, Taylor County, TX, Throckmorton County, TX, Tom Green County, TX, Upton County, TX, Ward County, TX, Wichita County, TX, Wilbarger County, TX
The radar
The Midland/Odessa radar (KMAF), 66 km from the middle of the area, began a volume at 22:03 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
9 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 7, 5:35 PM CDT | Severe Thunderstorm Warning | MAF | Pecos | 50 min |
| May 7, 6:15 PM CDT | Severe Thunderstorm Warning | MAF | Pecos | 45 min |
| May 7, 6:39 PM CDT | Severe Thunderstorm Warning | MAF | Ector, Winkler | 46 min |
| May 7, 6:56 PM CDT | Severe Thunderstorm Warning | MAF | Pecos | 49 min |
| May 7, 7:07 PM CDT | Tornado Warning | MAF | Ector | 33 min |
| May 7, 7:28 PM CDT | Severe Thunderstorm Warning | LUB | Floyd | 47 min |
| May 7, 7:46 PM CDT | Severe Thunderstorm Warning | MAF | Brewster, Pecos | 34 min |
| May 7, 8:13 PM CDT | Severe Thunderstorm Warning | LUB | Floyd | 47 min |
| May 7, 9:03 PM CDT | Severe Thunderstorm Warning | LUB | Floyd | 47 min |
The nearest sounding before it
Midland Regional, TX (KMAF), launched 12:00Z, 10.0 hours before the alert went out and 67 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
- 681 J/kg
- Mixed-layer CIN
- -512 J/kg
- Mixed-layer LCL
- 1994 m above ground
- 0-6 km bulk shear
- 28 kt
- 0-1 km storm-relative helicity
- 143 m²/s²
- 0-3 km storm-relative helicity
- 243 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.2
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 6, 8:45 PM CDT | Tornado Watch | SPC | Beaver, Harmon | 6 hr |
| May 6, 11:00 PM CDT | Severe Thunderstorm Watch | SPC | Alfalfa, Beckham, Blaine, Caddo, Canadian, Comanche and 15 more | 5 hr |
| May 7, 4:30 PM CDT | Tornado Watch | SPC | Alfalfa, Beckham, Blaine, Custer, Dewey, Ellis and 13 more | 6 hr |
| May 7, 6:45 PM CDT | Tornado Watch | SPC | Craig, Kay, Mayes, Noble, Nowata, Osage and 7 more | 6 hr |
| May 6, 8:30 PM CDT | Severe Thunderstorm Watch | SPC | Andrews, Borden, Coke, Concho, Crane, Dawson and 27 more | 6 hr |
| May 7, 6:45 PM CDT | Severe Thunderstorm Watch | SPC | Armstrong, Bailey, Briscoe, Carson, Castro, Childress and 20 more | 6 hr |
Nearby
Severe Thunderstorm Watches in Texas, 1997Severe Thunderstorm Watches in Oklahoma, 1997Every severe thunderstorm watch in 1997
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.