Alert archive / Texas / Tornado Warnings in 1997

Tornado Warning 39, NWS San Angelo, TX

June 12, 1997Nolan County, Texas

NWS San Angelo, TX issued this tornado warning at Jun 12, 1997, 10:38 PM CDT for Nolan County, Texas. It was in force for 62 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: Jun 12, 1997, 10:38 PM CDT (03:38 UTC)
Expired: Jun 12, 1997, 11:40 PM CDT
In force: 62 min
Issued by: NWS San Angelo, TX
Area: Whole counties

County Nolan County, TX

The radar

The San Angelo radar (KSJT), 104 km from the middle of the area, began a volume at 03:37 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
Jun 12, 11:00 PM CDT	Thunderstorm Wind 75	Blackwell, TX	An intense swift moving thunderstorm from the Conco Valley to the Big Country, packing wind gusts to near 90 mph, the night of the 12th wreaked most of its havoc on the community of Blackwell. The storm felled large trees, damaged roofs, and destroyed at leas

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

Midland Regional, TX (KMAF), launched 00:00Z, 3.6 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.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 651 J/kg
Mixed-layer CIN: -8 J/kg
Mixed-layer LCL: 3203 m above ground
0-6 km bulk shear: 48 kt
0-1 km storm-relative helicity: 16 m²/s²
0-3 km storm-relative helicity: 121 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 2.4

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
TTAA00 KSJT 130339
TORSJT
TXC353-130440-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE SAN ANGELO TX
1038 PM CDT THU JUN 12 1997

THE NATIONAL WEATHER SERVICE IN SAN ANGELO TX HAS ISSUED A
TORNADO WARNING EFFECTIVE UNTIL 1140 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...

IN NORTHWESTERN TEXAS

   ...NOLAN COUNTY
 
AT 1037 PM CDT...DOPPLER RADAR AT SAN ANGELO INDICATED A DEVELOPING
TORNADO 18 MILES SOUTHWEST OF SWEETWATER OR 6 MILES WEST OF
MARYNEAL MOVING EAST AT 40 MPH.

SOME LOCATIONS IN THE PATH OF THIS TORNADO ARE... MARYNEAL AND
NOLAN.

THIS IS A DANGEROUS STORM SITUATION. ACT QUICKLY. IF YOU ARE IN THE
PATH OF THIS TORNADO MOVE TO A PLACE OF SAFETY BELOW GROUND IF
AVAItLABLE. OTHERWISE... GO TO A SMALL INTERIOR ROOM ON THE LOWEST
FLOOR POSSIBLE. AVOID WINDOWS. ABANDON CARS AND MOBILE HOMES FOR A
REINFORCED BUILDING OR GET INTO A DITCH OR CULVERT.
 

14

The office that day

Everything else NWS San Angelo, TX issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jun 12, 7:04 PM CDT	Severe Thunderstorm Warning	SJT	Irion	61 min
Jun 12, 7:48 PM CDT	Severe Thunderstorm Warning	SJT	Tom Green	62 min
Jun 12, 7:59 PM CDT	Severe Thunderstorm Warning	SJT	Crockett	91 min
Jun 12, 9:39 PM CDT	Severe Thunderstorm Warning	SJT	Coke, Sterling, Tom Green	66 min
Jun 12, 9:50 PM CDT	Tornado Warning	SJT	Coke, Tom Green	65 min
Jun 12, 10:16 PM CDT	Severe Thunderstorm Warning	SJT	Tom Green	44 min
Jun 12, 10:25 PM CDT	Severe Thunderstorm Warning	SJT	Nolan	65 min
Jun 12, 10:57 PM CDT	Tornado Warning	SJT	Taylor	58 min
Jun 12, 11:41 PM CDT	Severe Thunderstorm Warning	SJT	Callahan, Coleman, Runnels	49 min

Nearby

Tornado Warnings in Texas, 1997 Every tornado warning in 1997 Tornadoes 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.