Alert archive / Texas / Severe Thunderstorm Warnings in 1997
Severe Thunderstorm Warning 166, NWS San Angelo, TX
NWS San Angelo, TX issued this severe thunderstorm warning at Aug 6, 1997, 8:55 PM CDT for Callahan County, Taylor County, Texas. It was in force for 65 min. 1 report came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- Aug 6, 1997, 8:55 PM CDT (01:55 UTC)
- Expired
- Aug 6, 1997, 10:00 PM CDT
- In force
- 65 min
- Issued by
- NWS San Angelo, TX
- Area
- Whole counties
Counties Callahan County, TX, Taylor County, TX
The radar
The Dyess AFB radar (KDYX), 44 km from the middle of the area, began a volume at 01:55 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Aug 6, 9:00 PM CDT | Thunderstorm Wind | Abilene, TX | Winds blew down a few power poles. |
NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.
The nearest sounding before it
Fort Worth, TX (KFWD), launched 00:00Z, 1.9 hours before the alert went out and 227 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
- 743 J/kg
- Mixed-layer CIN
- -91 J/kg
- Mixed-layer LCL
- 1787 m above ground
- 0-6 km bulk shear
- 18 kt
- 0-1 km storm-relative helicity
- 96 m²/s²
- 0-3 km storm-relative helicity
- 192 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.
What forecasters said that day
The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS San Angelo, TX wrote its last area forecast discussion before this severe thunderstorm warning went out at Aug 6, 8:55 PM CDT, 0 minutes earlier.
Area forecast discussion, Aug 6, 8:55 PM CDT, 0 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE SAN ANGELO TX 855 PM CDT WED AUG 6 1997 COLD FRONT WAS PUSHING INTO NORTHERN SECTIONS OF THE BIG COUNTRY AT 1Z. SHOWERS AND THUNDERSTORMS WERE MOSTLY NORTH OF SOUTHEAST MOVING THUNDERSTORM OUTFLOW BOUNDARY EXTENDING FROM ROBY TO NORTH OF ALBANY. SHERIFF OFFICE IN ROBY WAS REPORTING NORTHEAST WINDS UP TO 35 MPH WITH THE BOUNDARY. COLD FRONT APPEARS TO BE STRONGER THAN FORECAST. CONCERNED THAT BIG COUNTRY COULD SEE RAIN COOLED TEMPERATURES IN LOWER 60S TONIGHT. FLOODING ALSO A CONCERN. FT WORTH SOUNDING WAS SHOWING UP 1.92 INCHES...ABOUT 150 PERCENT OF NORMAL. IF FRONTAL BOUNDARY BECOMES STATIONARY FLOODING A CONCERN OVERNIGHT...ESPECIALLY IN THE EASTERN BIG COUNTRY AND HEARTLAND. 04
The office that day
Everything else NWS San Angelo, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 6, 9:21 PM CDT | Tornado Warning | SJT | Shackelford | 49 min |
| Aug 7, 7:26 AM CDT | Flash Flood Warning | SJT | Crockett | 5 hr |
Nearby
Severe Thunderstorm Warnings in Texas, 1997Every severe thunderstorm warning 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.