Alert archive / Texas / Severe Thunderstorm Warnings in 2003

Severe Thunderstorm Warning 42, NWS San Angelo, TX

April 29, 2003Runnels County, Texas

NWS San Angelo, TX issued this severe thunderstorm warning at Apr 29, 2003, 12:47 AM CDT for Runnels County, Texas. It was in force for 28 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: Apr 29, 2003, 12:47 AM CDT (05:47 UTC)
Expired: Apr 29, 2003, 1:15 AM CDT
In force: 28 min
Issued by: NWS San Angelo, TX
Area: Counties, with a storm outline in the text

County Runnels County, TX

The nearest sounding before it

Midland Regional, TX (KMAF), launched 00:00Z, 5.8 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: 1070 J/kg
Mixed-layer CIN: -37 J/kg
Mixed-layer LCL: 2134 m above ground
0-6 km bulk shear: 46 kt
0-1 km storm-relative helicity: 44 m²/s²
0-3 km storm-relative helicity: 128 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.0

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 Apr 28, 10:16 PM CDT, 2 hours 31 minutes earlier.

Area forecast discussion, Apr 28, 10:16 PM CDT, 2 hours 31 minutes before

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Hazardous weather outlook, Apr 28, 2:20 PM CDT, 10 hours 27 minutes before

TXZ049-054-064>066-071>073-076>078-098-099-113-114-127-128-139-140-
154-155-168>170-291915-

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE SAN ANGELO TX
220 PM CDT MON APR 28 2003

THIS HAZARDOUS WEATHER OUTLOOK IS FOR WEST CENTRAL TEXAS.

.DAY ONE...

A FEW SEVERE THUNDERSTORMS WILL BE POSSIBLE ACROSS WEST CENTRAL
TEXAS LATE THIS AFTERNOON AND EVENING. CLOUD COVER HAS KEPT
TEMPERATURES IN THE 70S AND 80S ACROSS WEST CENTRAL TEXAS THROUGH
MID AFTERNOON...BUT AS THE CLOUD DECREASES BY LATE AFTERNOON...
TEMPERATURES WILL BEGIN TO CLIMB AND THE ATMOSPHERE WILL BECOME MORE
UNSTABLE. BY EARLY EVENING...A DRYLINE WILL BECOME BETTER
ESTABLISHED ACROSS THE PERMIAN BASIN AND SOUTH PLAINS...WITH A FEW
STORMS LIKELY DEVELOPING ALONG THE DRYLINE AND PUSHING EAST INTO
WEST CENTRAL TEXAS. ONE OR TWO OF THESE STORMS MAY BRIEFLY REACH
SEVERE LEVELS...PRODUCING DAMAGING WINDS AND LARGE HAIL. AS
TEMPERATURES BEGIN TO COOL BY LATE EVENING...THE THREAT OF SEVERE
WEATHER WILL GRADUALLY DIMINISH.

.DAYS TWO THROUGH SEVEN...

AN UNSTABLE AIR MASS WILL CONTINUE ACROSS WEST CENTRAL TEXAS THROUGH
MUCH OF THE NEXT WEEK. THE DRYLINE WILL SHARPEN AND PUSH EAST EACH
AFTERNOON...WITH SCATTERED THUNDERSTORM DEVELOPMENT POSSIBLE.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION MAY BE REQUIRED.

07

In the hours before

Local storm report, Apr 28, 9:48 PM CDT, 2 hours 59 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
Apr 28, 7:27 PM CDT	Severe Thunderstorm Warning	SJT	Fisher, Nolan	48 min
Apr 28, 8:06 PM CDT	Severe Thunderstorm Warning	SJT	Sterling	54 min
Apr 28, 8:15 PM CDT	Severe Thunderstorm Warning	SJT	Fisher, Nolan	45 min
Apr 28, 8:22 PM CDT	Severe Thunderstorm Warning	SJT	Coke	53 min
Apr 28, 8:42 PM CDT	Severe Thunderstorm Warning	SJT	Jones, Taylor	63 min
Apr 28, 8:53 PM CDT	Severe Thunderstorm Warning	SJT	Tom Green	52 min
Apr 28, 8:59 PM CDT	Severe Thunderstorm Warning	SJT	Runnels	61 min
Apr 28, 9:02 PM CDT	Severe Thunderstorm Warning	SJT	Nolan	13 min
Apr 28, 9:11 PM CDT	Severe Thunderstorm Warning	SJT	Coke	34 min
Apr 29, 5:36 PM CDT	Severe Thunderstorm Warning	SJT	Nolan	54 min
Apr 29, 6:26 PM CDT	Severe Thunderstorm Warning	SJT	Nolan	64 min
Apr 29, 6:30 PM CDT	Severe Thunderstorm Warning	SJT	Irion	60 min
Apr 29, 6:35 PM CDT	Tornado Warning	SJT	Nolan	55 min
Apr 29, 6:41 PM CDT	Severe Thunderstorm Warning	SJT	Fisher	64 min
Apr 29, 6:57 PM CDT	Severe Thunderstorm Warning	SJT	Sterling	63 min

Nearby

Severe Thunderstorm Warnings in Texas, 2003 Every severe thunderstorm warning in 2003

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.