Alert archive / Texas / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 259, NWS San Angelo, TX

October 31, 1998Runnels County, Texas

NWS San Angelo, TX issued this severe thunderstorm warning at Oct 31, 1998, 9:59 PM CST for Runnels County, Texas. It was in force for 46 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: Oct 31, 1998, 9:59 PM CST (03:59 UTC)
Expired: Oct 31, 1998, 10:45 PM CST
In force: 46 min
Issued by: NWS San Angelo, TX
Area: Whole counties

County Runnels County, TX

The radar

The San Angelo radar (KSJT), 71 km from the middle of the area, began a volume at 03:59 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
Oct 31, 10:30 PM CST	Thunderstorm Wind	Winters, TX	High winds downed several large tree limbs

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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Oct 31, 8:00 PM CST	Severe Thunderstorm Watch	SPC	4 hr

The nearest sounding before it

Midland Regional, TX (KMAF), launched 00:00Z, 4.0 hours before the alert went out and 210 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 1315 m above ground
0-6 km bulk shear: 74 kt
0-1 km storm-relative helicity: 124 m²/s²
0-3 km storm-relative helicity: 416 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

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 Oct 31, 8:51 PM CST, 1 hour 8 minutes earlier.

Area forecast discussion, Oct 31, 8:51 PM CST, 1 hour 8 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Oct 31, 6:01 PM CST	Severe Thunderstorm Warning	SJT	Fisher	64 min
Oct 31, 6:04 PM CST	Severe Thunderstorm Warning	SJT	Mitchell, Sterling	61 min
Oct 31, 6:22 PM CST	Tornado Warning	SJT	Mitchell, Sterling	33 min
Oct 31, 6:35 PM CST	Tornado Warning	SJT	Fisher	35 min
Oct 31, 6:58 PM CST	Severe Thunderstorm Warning	SJT	Coke, Nolan	47 min
Oct 31, 7:01 PM CST	Severe Thunderstorm Warning	SJT	Mitchell	34 min
Oct 31, 7:33 PM CST	Severe Thunderstorm Warning	SJT	Crockett	47 min
Oct 31, 8:16 PM CST	Severe Thunderstorm Warning	SJT	Irion	49 min
Oct 31, 8:19 PM CST	Severe Thunderstorm Warning	SJT	Crockett	61 min
Oct 31, 9:37 PM CST	Severe Thunderstorm Warning	SJT	Schleicher	48 min
Oct 31, 9:47 PM CST	Severe Thunderstorm Warning	SJT	Coke, Tom Green	63 min
Oct 31, 10:50 PM CST	Severe Thunderstorm Warning	SJT	Sutton	65 min

Nearby

Severe Thunderstorm Warnings in Texas, 1998 Every severe thunderstorm warning in 1998

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.