Alert archive / Texas / Severe Thunderstorm Warnings in 2003

Severe Thunderstorm Warning 27, NWS San Angelo, TX

April 23, 2003Coke County, Runnels County, Texas

NWS San Angelo, TX issued this severe thunderstorm warning at Apr 23, 2003, 4:59 PM CDT for Coke County, Runnels County, Texas. It was in force for 46 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 23, 2003, 4:59 PM CDT (21:59 UTC)
Expired
Apr 23, 2003, 5:45 PM CDT
In force
46 min
Issued by
NWS San Angelo, TX
Area
Counties, with a storm outline in the text

Counties Coke County, TX, Runnels County, TX

The watch it was issued in

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

IssuedProductOfficeLasted
Apr 23, 11:50 AM CDTTornado WatchSPC6 hr

The nearest sounding before it

Midland Regional, TX (KMAF), launched 12:00Z, 10.0 hours before the alert went out and 184 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, Midland Regional, TX at 12:00Z on 2003-04-23Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1415 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, Midland Regional, TX at 12:00Z on 2003-04-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 208 square meters per square second.1939587897Sfc1 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
1415 J/kg
Mixed-layer CIN
-47 J/kg
Mixed-layer LCL
757 m above ground
0-6 km bulk shear
45 kt
0-1 km storm-relative helicity
208 m²/s²
0-3 km storm-relative helicity
150 m²/s²
Significant tornado parameter
1.5
Supercell composite
8.5

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 23, 2:35 PM CDT, 2 hours 24 minutes earlier.

Area forecast discussion, Apr 23, 2:35 PM CDT, 2 hours 24 minutes before
WEST CENTRAL TEXAS FORECAST DISCUSSION
NATIONAL WEATHER SERVICE SAN ANGELO TX
235 PM CDT WED APR 23 2003

BUSY AFTERNOON SO NOT MUCH DISCUSSION

SEVERE WEATHER WILL MOVE OUT...LEAVING CLEAR SKIES AND SEASONAL
TEMPS.

FIRST PERIOD WILL CONTEND WITH SOME LEFT OVER PRECIP.

PRELIM CCF...

ABI 053/083/050/081 -000
SJT 053/084/052/084 0000
JCT 052/083/050/084 1000

.SJT...NONE.

25
Hazardous weather outlook, Apr 23, 5:44 AM CDT, 11 hours 15 minutes before
TXZ049-054-064>066-071>073-076>078-098-099-113-114-127-128-139-140-
154-155-168>170-241045-

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE SAN ANGELO TX
544 AM CDT WED APR 23 2003

THIS HAZARDOUS WEATHER OUTLOOK IS FOR WEST CENTRAL TEXAS.

.DAY ONE...

THERE IS A MODERATE RISK FOR SEVERE THUNDERSTORMS ACROSS THE EASTERN
PORTION OF THE BIG COUNTRY AND ALL OF THE HEARTLAND COUNTIES TODAY.
THIS MODERATE RISK AREA IS NORTH AND EAST OF A LINE FROM ASPERMONT
TO JUST WEST OF ABILENE AND BALLINGER TO BRADY AND SAN SABA.
ELSEWHERE THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS TO THE EAST
OF A LINE FROM ROTAN TO ROBERT LEE...SAN ANGELO...ELDORADO AND
SONORA. THE DRYLINE WILL MOVE THROUGH THE AREA TODAY. THIS IN
COMBINATION WITH A STRONG UPPER LEVEL STORM SYSTEM WILL CAUSE
SHOWERS AND THUNDERSTORMS...SOME OF WHICH MAY BE SEVERE...ESPECIALLY
IN THE MODERATE RISK AREA. THE MAIN THREAT WILL BE VERY LARGE HAIL
AND DAMAGING WINDS. THERE WILL BE SUFFICIENT SHEAR FOR THUNDERSTORMS
TO PRODUCE TORNADOES...ESPECIALLY OVER THE MODERATE RISK AREA.
INTERESTED PERSONS WILL WANT TO PAY ATTENTION TO LATER FORECAST
CONCERNING THIS THUNDERSTORM EVENT.

.DAYS TWO THROUGH SEVEN...

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION MAY BE REQUIRED LATE THIS MORNING INTO THE AFTERNOON.

27/BRAZZELL

In the hours before

Special weather statement, Apr 23, 4:00 PM CDT, 59 minutes before
TXZ049-054-064>066-071>073-076>078-098-099-113-114-127-128-139-154-
168-232300-

SPECIAL WEATHER STATEMENT...CORRECTED WORDING
NATIONAL WEATHER SERVICE SAN ANGELO TX
400 PM CDT WED APR 23 2003

THE TORNADO WATCH HAS BEEN CANCELLED FOR THE FOLLOWING COUNTIES IN
WEST CENTRAL TEXAS...

HASKELL...FISHER...JONES...NOLAN...COKE...STERLING...IRION...
AND TOM GREEN

A TONADO WATCH REMAINS IN EFFECT FOR THE FOLLOWING COUNTIES IN
WEST CENTRAL TEXAS...

THROCKMORTON...SHACKELFORD...TAYLOR...CALLAHAN...RUNNELS
COLEMAN...BROWN...CONCHO...MCCULLOCH...AND SAN SABA

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT FOR THE FOLLOWING
COUNTIES IN WEST CENTRAL TEXAS...

CROCKETT...SCHLEICHER...SUTTON...MENARD...KIMBLE...AND MASON

23/HUBER

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 23, 12:36 PM CDTSevere Thunderstorm WarningSJTFisher39 min
Apr 23, 1:04 PM CDTTornado WarningSJTFisher41 min
Apr 23, 1:12 PM CDTSevere Thunderstorm WarningSJTSterling63 min
Apr 23, 1:33 PM CDTSevere Thunderstorm WarningSJTNolan42 min
Apr 23, 1:49 PM CDTSevere Thunderstorm WarningSJTCoke, Tom Green56 min
Apr 23, 1:51 PM CDTTornado WarningSJTHaskell54 min
Apr 23, 1:55 PM CDTTornado WarningSJTFisher, Jones65 min
Apr 23, 2:01 PM CDTSevere Thunderstorm WarningSJTCrockett59 min
Apr 23, 2:33 PM CDTSevere Thunderstorm WarningSJTTaylor42 min
Apr 23, 2:37 PM CDTTornado WarningSJTThrockmorton53 min
Apr 23, 2:47 PM CDTSevere Thunderstorm WarningSJTRunnels58 min
Apr 23, 2:59 PM CDTTornado WarningSJTJones, Shackelford61 min
Apr 23, 3:00 PM CDTSevere Thunderstorm WarningSJTCrockett60 min
Apr 23, 3:04 PM CDTSevere Thunderstorm WarningSJTSchleicher56 min
Apr 23, 3:14 PM CDTSevere Thunderstorm WarningSJTCallahan46 min
Apr 23, 3:16 PM CDTSevere Thunderstorm WarningSJTTaylor29 min
Apr 23, 3:31 PM CDTTornado WarningSJTThrockmorton44 min
Apr 23, 3:41 PM CDTTornado WarningSJTCrockett, Sutton64 min
Apr 23, 3:43 PM CDTSevere Thunderstorm WarningSJTColeman62 min
Apr 23, 3:59 PM CDTTornado WarningSJTMenard, Schleicher61 min
Apr 23, 4:00 PM CDTSevere Thunderstorm WarningSJTCallahan60 min
Apr 23, 4:01 PM CDTSevere Thunderstorm WarningSJTShackelford59 min
Apr 23, 4:36 PM CDTSevere Thunderstorm WarningSJTBrown54 min
Apr 23, 4:44 PM CDTSevere Thunderstorm WarningSJTColeman46 min
Apr 23, 4:45 PM CDTTornado WarningSJTCrockett, Sutton60 min
Apr 23, 5:30 PM CDTSevere Thunderstorm WarningSJTBrown30 min
Apr 23, 5:42 PM CDTSevere Thunderstorm WarningSJTRunnels48 min
Apr 23, 5:56 PM CDTSevere Thunderstorm WarningSJTCallahan, Coleman79 min
Apr 23, 6:26 PM CDTSevere Thunderstorm WarningSJTBrown79 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.