Alert archive / Texas / Severe Thunderstorm Watches in 1997
Severe Thunderstorm Watch 365
The Storm Prediction Center issued this severe thunderstorm watch at May 31, 1997, 2:45 AM CDT for 23 counties in Texas. It was in force for 4 hr.
The area
The outline as issued.
The facts
- Issued
- May 31, 1997, 2:45 AM CDT (07:45 UTC)
- Expired
- May 31, 1997, 7:00 AM CDT
- In force
- 4 hr
- Issued by
- the Storm Prediction Center
All 23 counties
Bandera County, TX, Coke County, TX, Concho County, TX, Edwards County, TX, Frio County, TX, Glasscock County, TX, Irion County, TX, Kerr County, TX, Kimble County, TX, Kinney County, TX, Mason County, TX, McCulloch County, TX, Medina County, TX, Menard County, TX, Real County, TX, Runnels County, TX, Schleicher County, TX, Sterling County, TX, Sutton County, TX, Tom Green County, TX, Uvalde County, TX, Val Verde County, TX, Zavala County, TX
The radar
The San Angelo radar (KSJT), 81 km from the middle of the area, began a volume at 07:45 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
2 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 31, 3:01 AM CDT | Severe Thunderstorm Warning | EWX | Edwards, Real | 59 min |
| May 31, 4:13 AM CDT | Severe Thunderstorm Warning | SJT | Tom Green | 77 min |
The nearest sounding before it
Del Rio, TX (KDRT), launched 00:00Z, 7.8 hours before the alert went out and 173 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
- 3508 J/kg
- Mixed-layer CIN
- -71 J/kg
- Mixed-layer LCL
- 1339 m above ground
- 0-6 km bulk shear
- 40 kt
- 0-1 km storm-relative helicity
- 68 m²/s²
- 0-3 km storm-relative helicity
- 174 m²/s²
- Significant tornado parameter
- 1.7
- Supercell composite
- 16.6
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 30, 10:00 PM CDT | Severe Thunderstorm Watch | SPC | Atascosa, Bandera, Bexar, Caldwell, Comal, Frio and 8 more | 4 hr |
| May 31, 12:00 AM CDT | Severe Thunderstorm Watch | SPC | Austin, Brazoria, Chambers, Colorado, DeWitt, Fayette and 17 more | 5 hr |
| May 31, 5:00 AM CDT | Severe Thunderstorm Watch | SPC | Aransas, Atascosa, Bee, Calhoun, DeWitt, Duval and 13 more | 5 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.