Alert archive / Texas / Severe Thunderstorm Warnings in 2004

Severe Thunderstorm Warning 180, NWS San Angelo, TX

June 12, 2004Shackelford County, Texas

NWS San Angelo, TX issued this severe thunderstorm warning at Jun 12, 2004, 10:17 PM CDT for Shackelford County, Texas. It was in force for 43 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Jun 12, 2004, 10:17 PM CDT (03:17 UTC)
Expired: Jun 12, 2004, 11:00 PM CDT
In force: 43 min
Issued by: NWS San Angelo, TX
Area: Counties, with a storm outline in the text

County Shackelford County, TX

The watch it was issued in

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

Issued	Product	Office	Lasted
Jun 12, 9:05 PM CDT	Severe Thunderstorm Watch	SPC	6 hr

The nearest sounding before it

Fort Worth, TX (KFWD), launched 00:00Z, 3.3 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: 2633 J/kg
Mixed-layer CIN: -35 J/kg
Mixed-layer LCL: 1393 m above ground
0-6 km bulk shear: 20 kt
0-1 km storm-relative helicity: 41 m²/s²
0-3 km storm-relative helicity: 92 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 2.9

Open this sounding in Storm Lab

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 Jun 12, 10:10 PM CDT, 7 minutes earlier.

Area forecast discussion, Jun 12, 10:10 PM CDT, 7 minutes before

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Hazardous weather outlook, Jun 12, 2:30 PM CDT, 7 hours 47 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE SAN ANGELO TX
230 PM CDT SAT JUN 12 2004

TXZ049-054-064>066-071>073-076>078-098-099-113-114-127-128-139-140-
154-155-168>170-131930-
BROWN TX-CALLAHAN TX-COKE TX-COLEMAN TX-CONCHO TX-CROCKETT TX-
FISHER TX-HASKELL TX-IRION TX-JONES TX-KIMBLE TX-MASON TX-
MCCULLOCH TX-MENARD TX-NOLAN TX-RUNNELS TX-SAN SABA TX-SCHLEICHER TX-
SHACKELFORD TX-STERLING TX-SUTTON TX-TAYLOR TX-THROCKMORTON TX-
TOM GREEN TX-
230 PM CDT SAT JUN 12 2004

THIS HAZARDOUS WEATHER OUTLOOK IS FOR WEST CENTRAL TEXAS.

.DAY ONE...
THERE IS A MODERATE RISK OF SEVERE THUNDERSTORMS THIS AFTERNOON AND
EVENING ACROSS THE NORTHERN BIG COUNTRY...GENERALLY ALONG AND NORTH
OF A ROBY...ANSON...TO ALBANY LINE. THERE IS A SLIGHT RISK OF SEVERE
THUNDERSTORMS THIS AFTERNOON AND EVENING ACROSS THE REST OF WEST
CENTRAL TEXAS.

THUNDERSTORMS ARE EXPECTED TO RAPIDLY DEVELOP ALONG THE DRYLINE IN
WEST TEXAS LATE THIS AFTERNOON...AND MOVE INTO WEST CENTRAL TEXAS.
LARGE HAIL AND DAMAGING WINDS WILL BE THE PRIMARY THREATS...BUT
ISOLATED TORNADOES ARE ALSO POSSIBLE...ESPECIALLY IN THE NORTHERN BIG
COUNTRY.

.DAYS TWO THROUGH SEVEN...
ISOLATED THUNDERSTORMS WILL BE POSSIBLE SUNDAY ACROSS THE WESTERN BIG
COUNTRY AND WESTERN CONCHO VALLEY...AND THEN ACROSS THE NORTHWEST
HILL COUNTRY...HEARTLAND...AND EASTERN BIG COUNTRY TUESDAY THROUGH
THURSDAY.

.SPOTTER INFORMATION STATEMENT...
SPOTTER ACTIVATION WILL BE LIKELY LATE THIS AFTERNOON THROUGH THIS
EVENING.

In the hours before

Local storm report, Jun 12, 9:06 PM CDT, 1 hour 11 minutes before

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Local storm report, Jun 12, 9:16 PM CDT, 1 hour 1 minute before

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Local storm report, Jun 12, 9:33 PM CDT, 44 minutes before

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Local storm report, Jun 12, 9:36 PM CDT, 41 minutes before

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Local storm report, Jun 12, 9:59 PM CDT, 18 minutes before

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Local storm report, Jun 12, 10:02 PM CDT, 15 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
Jun 12, 8:02 PM CDT	Severe Thunderstorm Warning	SJT	Fisher, Nolan	58 min
Jun 12, 8:35 PM CDT	Severe Thunderstorm Warning	SJT	Jones	55 min
Jun 12, 8:41 PM CDT	Tornado Warning	SJT	Jones	49 min
Jun 12, 8:42 PM CDT	Severe Thunderstorm Warning	SJT	Sutton	63 min
Jun 12, 8:46 PM CDT	Severe Thunderstorm Warning	SJT	Haskell	59 min
Jun 12, 9:10 PM CDT	Severe Thunderstorm Warning	SJT	Shackelford, Throckmorton	65 min
Jun 12, 9:21 PM CDT	Severe Thunderstorm Warning	SJT	Jones	24 min
Jun 12, 9:38 PM CDT	Severe Thunderstorm Warning	SJT	Taylor	52 min
Jun 12, 9:46 PM CDT	Severe Thunderstorm Warning	SJT	Jones	44 min

Nearby

Severe Thunderstorm Warnings in Texas, 2004 Every severe thunderstorm warning in 2004

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.