Alert archive / Texas / Severe Thunderstorm Watches in 1997
Severe Thunderstorm Watch 284
The Storm Prediction Center issued this severe thunderstorm watch at May 15, 1997, 4:45 PM CDT for 40 counties in Texas. It was in force for 6 hr.
The area
The outline as issued.
The facts
- Issued
- May 15, 1997, 4:45 PM CDT (21:45 UTC)
- Expired
- May 15, 1997, 11:00 PM CDT
- In force
- 6 hr
- Issued by
- the Storm Prediction Center
All 40 counties
Atascosa County, TX, Bandera County, TX, Bexar County, TX, Blanco County, TX, Brown County, TX, Burnet County, TX, Callahan County, TX, Coleman County, TX, Comal County, TX, Comanche County, TX, Concho County, TX, Eastland County, TX, Edwards County, TX, Erath County, TX, Frio County, TX, Gillespie County, TX, Guadalupe County, TX, Hamilton County, TX, Hays County, TX, Karnes County, TX, Kendall County, TX, Kerr County, TX, Kimble County, TX, Lampasas County, TX, Llano County, TX, Mason County, TX, McCulloch County, TX, Medina County, TX, Menard County, TX, Mills County, TX, Nolan County, TX, Palo Pinto County, TX, Real County, TX, Runnels County, TX, San Saba County, TX, Taylor County, TX, Tom Green County, TX, Uvalde County, TX, Wilson County, TX, Zavala County, TX
The radar
The San Angelo radar (KSJT), 151 km from the middle of the area, began a volume at 21:49 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
12 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 15, 4:53 PM CDT | Severe Thunderstorm Warning | EWX | Atascosa | 67 min |
| May 15, 5:02 PM CDT | Severe Thunderstorm Warning | EWX | Bexar | 58 min |
| May 15, 5:08 PM CDT | Severe Thunderstorm Warning | FWD | Hamilton | 67 min |
| May 15, 5:27 PM CDT | Severe Thunderstorm Warning | EWX | Frio | 63 min |
| May 15, 5:30 PM CDT | Flash Flood Warning | FWD | Comanche | 2 hr |
| May 15, 6:05 PM CDT | Severe Thunderstorm Warning | EWX | Bexar | 55 min |
| May 15, 6:42 PM CDT | Severe Thunderstorm Warning | EWX | Llano | 63 min |
| May 15, 7:13 PM CDT | Severe Thunderstorm Warning | EWX | Burnet | 62 min |
| May 15, 7:14 PM CDT | Flash Flood Warning | FWD | Hamilton | 3 hr |
| May 15, 7:32 PM CDT | Severe Thunderstorm Warning | EWX | Hays | 58 min |
| May 15, 7:53 PM CDT | Severe Thunderstorm Warning | EWX | Karnes | 67 min |
| May 15, 8:05 PM CDT | Severe Thunderstorm Warning | EWX | Guadalupe | 55 min |
The nearest sounding before it
Fort Worth, TX (KFWD), launched 12:00Z, 9.8 hours before the alert went out and 244 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
- 1947 J/kg
- Mixed-layer CIN
- -30 J/kg
- Mixed-layer LCL
- 674 m above ground
- 0-6 km bulk shear
- 22 kt
- 0-1 km storm-relative helicity
- 44 m²/s²
- 0-3 km storm-relative helicity
- 98 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.9
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 15, 1:30 AM CDT | Severe Thunderstorm Watch | SPC | Brown, Callahan, Coke, Coleman, Comanche, Concho and 18 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.