Alert archive / Texas / Severe Thunderstorm Warnings in 2003

Severe Thunderstorm Warning 259, NWS San Angelo, TX

July 23, 2003Sutton County, Texas

NWS San Angelo, TX issued this severe thunderstorm warning at Jul 23, 2003, 2:15 PM CDT for Sutton County, Texas. It was in force for 60 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
Jul 23, 2003, 2:15 PM CDT (19:15 UTC)
Expired
Jul 23, 2003, 3:15 PM CDT
In force
60 min
Issued by
NWS San Angelo, TX
Area
Counties, with a storm outline in the text

County Sutton County, TX

The nearest sounding before it

Del Rio, TX (KDRT), launched 12:00Z, 7.3 hours before the alert went out and 129 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-pSkew-T log-p diagram, Del Rio, TX at 12:00Z on 2003-07-23Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3092 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Del Rio, TX at 12:00Z on 2003-07-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -37 square meters per square second.1939Sfc1 km3 km6 km9 kmRMLM
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
3092 J/kg
Mixed-layer CIN
-47 J/kg
Mixed-layer LCL
751 m above ground
0-6 km bulk shear
15 kt
0-1 km storm-relative helicity
-37 m²/s²
0-3 km storm-relative helicity
38 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

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 Jul 23, 2:14 PM CDT, 1 minute earlier.

Area forecast discussion, Jul 23, 2:14 PM CDT, 1 minute before
WEST CENTRAL TEXAS FORECAST DISCUSSION...CORRECTED
NATIONAL WEATHER SERVICE SAN ANGELO TX
214 PM CDT WED JUL 23 2003

SCATTERED THUNDERSTORMS OCCURING ALONG SOUTHWARD MOVING WEAK COLD
FRONT IN OUR SOUTHERN COUNTIES. EXPECT THESE TO CONTINUE A SOUTHWARD
MOVEMENT OUT OF OUR COUNTIES DURING THE EVENING BEFORE DISSIPATING
WITH LOSS OF DAYTIME HEATING. WILL MONITOR RADAR TRENDS FOR POP AND
RAIN CHANCE WORDING THIS EVENING AND TONIGHT. AT THE MOMENT LEANING
TOWARD A 20 POP FOR SOUTHERN COUNTIES. TAIL END OF WEAK FRONT SHOULD
STALL OVER SOUTH-CENTRAL TX TONIGHT...THEN DISSOLVE WITH SOUTHERLY
LOW LEVEL FLOW DEVELOPING.

UPPER HIGH TO REMAIN CENTERED OVER FOUR CORNERS REGION INTO LATE
WEEK...BEFORE EXPANDING EASTWARD ACROSS CENTRAL PLAINS OVER THE
WEEKEND. THE 850 MILLIBAR TEMPERATURE PATTERN INDICATES THAT THE
HOTTER DAYTIME TEMPERATURES WILL OCCUR IN THE TX PANHANDLE AND HIGH
PLAINS...WITH MID TO UPPER 90S EXPECTED IN WEST CENTRAL TX.

FOR SUNDAY THROUGH WEDNESDAY...PLAN TO KEEP A DRY FORECAST IN THE
ZONES. AT THIS TIME...THINKING IS THAT LACK OF SUBSTANTIVE UPPER OR
SURFACE SUPPORT ALONG WITH QUESTIONABLE MOISTURE YIELD LOW
CONFIDENCE IN RAIN CHANCES FOR WEST CENTRAL TX. WILL CARRY A LESS
THAN 10 POP IN THE GRIDS. WILL GO WITH PERSISTENCE FOR
TEMPERATURES.

ABI 069/095/070/095/073 00000
SJT 069/096/070/096/071 00000
JCT 070/095/071/095/072 20000

.SJT...NONE.

19
Hazardous weather outlook, Jul 23, 4:27 AM CDT, 9 hours 48 minutes before
TXZ049-054-064>066-071>073-076>078-098-099-113-114-127-128-139-140-
154-155-168>170-241030-

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE SAN ANGELO TX
427 AM CDT WED JUL 23 2003

THIS HAZARDOUS WEATHER OUTLOOK IS FOR WEST CENTRAL TEXAS.

.DAY ONE...

A WEAK COLD FRONT WILL CONTINUE TO EDGE SOUTHWARD INTO THE CONCHO
VALLEY AND HEARTLAND REGIONS TODAY BEFORE STALLING THIS AFTERNOON. A
FEW NON SEVERE THUNDERSTORMS ARE POSSIBLE TONIGHT ACROSS WEST
CENTRAL TEXAS ALONG AND NORTH OF THIS FRONTAL BOUNDARY.

.DAYS TWO THROUGH SEVEN...

A FEW STORMS MAY OCCUR OVER SOUTHERN SECTIONS OF WEST CENTRAL TEXAS
THURSDAY ALONG THE STALLED FRONTAL BOUNDARY.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT ANTICIPATED.

15

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 23, 12:39 PM CDTSevere Thunderstorm WarningSJTMason51 min
Jul 23, 1:34 PM CDTSevere Thunderstorm WarningSJTMenard41 min
Jul 23, 1:44 PM CDTSevere Thunderstorm WarningSJTKimble61 min
Jul 23, 1:51 PM CDTSevere Thunderstorm WarningSJTSchleicher39 min
Jul 23, 3:17 PM CDTSevere Thunderstorm WarningSJTSutton28 min

Nearby

Severe Thunderstorm Warnings in Texas, 2003Every 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.