Alert archive / Texas / Severe Thunderstorm Watches in 1997
Severe Thunderstorm Watch 200
The Storm Prediction Center issued this severe thunderstorm watch at Apr 26, 1997, 4:00 AM CDT for 28 counties in Texas. It was in force for 6 hr.
The area
The outline as issued.
The facts
- Issued
- Apr 26, 1997, 4:00 AM CDT (09:00 UTC)
- Expired
- Apr 26, 1997, 10:00 AM CDT
- In force
- 6 hr
- Issued by
- the Storm Prediction Center
All 28 counties
Aransas County, TX, Bee County, TX, Bexar County, TX, Brooks County, TX, Caldwell County, TX, Calhoun County, TX, Cameron County, TX, Colorado County, TX, Comal County, TX, DeWitt County, TX, Fayette County, TX, Goliad County, TX, Gonzales County, TX, Guadalupe County, TX, Hidalgo County, TX, Jackson County, TX, Jim Wells County, TX, Karnes County, TX, Kenedy County, TX, Kleberg County, TX, Lavaca County, TX, Live Oak County, TX, Nueces County, TX, Refugio County, TX, San Patricio County, TX, Victoria County, TX, Willacy County, TX, Wilson County, TX
The radar
The Corpus Christi radar (KCRP), 70 km from the middle of the area, began a volume at 09:04 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
4 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 26, 4:29 AM CDT | Severe Thunderstorm Warning | CRP | Jim Wells | 31 min |
| Apr 26, 4:38 AM CDT | Severe Thunderstorm Warning | CRP | San Patricio | 37 min |
| Apr 26, 4:43 AM CDT | Severe Thunderstorm Warning | CRP | Live Oak | 32 min |
| Apr 26, 4:59 AM CDT | Severe Thunderstorm Warning | CRP | Bee | 46 min |
The nearest sounding before it
Corpus Christi, TX (KCRP), launched 00:00Z, 9.0 hours before the alert went out and 70 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
- 3687 J/kg
- Mixed-layer CIN
- 0 J/kg
- Mixed-layer LCL
- 518 m above ground
- 0-6 km bulk shear
- 36 kt
- 0-1 km storm-relative helicity
- 17 m²/s²
- 0-3 km storm-relative helicity
- 91 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 0.7
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 |
|---|---|---|---|---|
| Apr 25, 8:00 PM CDT | Severe Thunderstorm Watch | SPC | Aransas, Austin, Brazoria, Calhoun, Chambers, Colorado and 20 more | 6 hr |
| Apr 26, 1:15 AM CDT | Severe Thunderstorm Watch | SPC | Atascosa, Bandera, Bastrop, Bee, Bexar, Blanco and 30 more | 6 hr |
Nearby
Severe Thunderstorm Watches in Texas, 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.