Alert archive / Texas / Severe Thunderstorm Warnings in 2001

Severe Thunderstorm Warning 176, NWS San Angelo, TX

October 10, 2001Shackelford County, Texas

NWS San Angelo, TX issued this severe thunderstorm warning at Oct 10, 2001, 4:25 PM CDT for Shackelford 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: Oct 10, 2001, 4:25 PM CDT (21:25 UTC)
Expired: Oct 10, 2001, 5:30 PM CDT
In force: 65 min
Issued by: NWS San Angelo, TX
Area: Whole counties; the outline is the Mesonet’s reconstruction

County Shackelford County, TX

What was reported inside it

Time	Report	Where	Remark
Oct 10, 5:15 PM CDT	Hail 0.75	Moran, TX

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 10, 1:45 PM CDT	Severe Thunderstorm Watch	SPC	5 hr

The nearest sounding before it

Fort Worth, TX (KFWD), launched 12:00Z, 9.4 hours before the alert went out and 193 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: 1934 J/kg
Mixed-layer CIN: -25 J/kg
Mixed-layer LCL: 517 m above ground
0-6 km bulk shear: 39 kt
0-1 km storm-relative helicity: 228 m²/s²
0-3 km storm-relative helicity: 235 m²/s²
Significant tornado parameter: 1.8
Supercell composite: 8.7

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 10, 3:10 PM CDT, 1 hour 15 minutes earlier.

Area forecast discussion, Oct 10, 3:10 PM CDT, 1 hour 15 minutes before

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In the hours before

Special weather statement, Oct 10, 11:11 AM CDT, 5 hours 14 minutes before

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Local storm report, Oct 10, 11:13 AM CDT, 5 hours 12 minutes before

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Local storm report, Oct 10, 11:48 AM CDT, 4 hours 37 minutes before

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Local storm report, Oct 10, 2:57 PM CDT, 1 hour 28 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SAN ANGELO, TX
257 PM CDT WED OCT 10 2001

TIME(CDT)  .....CITY LOCATION.....STATE   ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0252 PM    ANSON                     TX   1.75 INCH HAIL
10/10/01   JONES                          GOLF BALL SIZE HAIL

07

Local storm report, Oct 10, 3:29 PM CDT, 56 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SAN ANGELO, TX
329 PM CDT WED OCT 10 2001

TIME(CDT)  .....CITY LOCATION.....STATE   ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0305 PM    2W AVOCA                  TX   .88 INCH HAIL
10/10/01   JONES                          NICKEL SIZE HAIL

07

Local storm report, Oct 10, 4:00 PM CDT, 25 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SAN ANGELO, TX
400 PM CDT WED OCT 10 2001

TIME(CDT)  .....CITY LOCATION.....STATE   ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0345 PM    ALBANY                    TX   1.75 INCH HAIL
10/10/01   SHACKELFORD                    GOLF BALL SIZE HAIL

07

The office that day

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

Issued	Product	Office	Counties	Lasted
Oct 10, 9:22 AM CDT	Severe Thunderstorm Warning	SJT	Haskell, Jones	53 min
Oct 10, 10:11 AM CDT	Severe Thunderstorm Warning	SJT	Haskell	49 min
Oct 10, 10:25 AM CDT	Flash Flood Warning	SJT	Haskell, Jones	80 min
Oct 10, 10:45 AM CDT	Severe Thunderstorm Warning	SJT	Throckmorton	60 min
Oct 10, 2:28 PM CDT	Severe Thunderstorm Warning	SJT	Fisher, Jones	62 min
Oct 10, 3:14 PM CDT	Severe Thunderstorm Warning	SJT	Shackelford	46 min
Oct 10, 4:00 PM CDT	Severe Thunderstorm Warning	SJT	Shackelford	15 min
Oct 10, 5:42 PM CDT	Severe Thunderstorm Warning	SJT	Runnels	48 min

Nearby

Severe Thunderstorm Warnings in Texas, 2001 Every severe thunderstorm warning in 2001

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.