Alert archive / Texas / Severe Thunderstorm Warnings in 2003

Severe Thunderstorm Warning 243, NWS San Angelo, TX

June 15, 2003Tom Green County, Texas

NWS San Angelo, TX issued this severe thunderstorm warning at Jun 15, 2003, 12:00 AM CDT for Tom Green 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 outline as issued.

The facts

Issued
Jun 15, 2003, 12:00 AM CDT (05:00 UTC)
Expired
Jun 15, 2003, 1:00 AM CDT
In force
60 min
Issued by
NWS San Angelo, TX
Area
Counties, with a storm outline in the text

County Tom Green County, TX

Did it verify

Not verified. The Iowa Environmental Mesonet's Cow found no qualifying storm report inside this severe thunderstorm warning while it was in force. That is not proof nothing happened: reports are thin where few people live.

Cow counts a report within 15 km of the polygon while the warning was in force: a tornado for a tornado warning; hail of 1 inch or more, a gust of 58 mph or more or wind damage for a severe thunderstorm warning; a flash flood report for a flash flood warning.

The nearest sounding before it

Midland Regional, TX (KMAF), launched 00:00Z, 5.0 hours before the alert went out and 154 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 00:00Z on 2003-06-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1554 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 00:00Z on 2003-06-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 24 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
1554 J/kg
Mixed-layer CIN
-109 J/kg
Mixed-layer LCL
1959 m above ground
0-6 km bulk shear
30 kt
0-1 km storm-relative helicity
24 m²/s²
0-3 km storm-relative helicity
74 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.7

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WUUS54 KSJT 150500
SVRSJT
TXC451-150600-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE SAN ANGELO TX
1159 PM CDT SAT JUN 14 2003

THE NATIONAL WEATHER SERVICE IN SAN ANGELO HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  TOM GREEN COUNTY IN SOUTHWEST TEXAS
  
* UNTIL 100 AM CDT

* AT 1150 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORMS 5 MILES EAST OF SAN ANGELO...MOVING SOUTH AT
  25 MPH.

* SEVERE THUNDERSTORMS WILL AFFECT...
  COMMUNITIES BETWEEN WALL AND CHRISTOVAL

HAIL THE SIZE OF QUARTERS AND WIND GUSTS OF 60 MPH CAN BE EXPECTED
WITH THIS STORM. TAKE SHELTER IN A STURDY BUILDING AND STAY AWAY FROM
WINDOWS.

LAT...LON 3156 10087 3156 10094 3118 10101 3112 10015
          3139 10014 3161 10086

$$

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 14, 8:13 PM CDT, 3 hours 47 minutes earlier.

Area forecast discussion, Jun 14, 8:13 PM CDT, 3 hours 47 minutes before
WEST CENTRAL TEXAS FORECAST DISCUSSION...UPDATED
NATIONAL WEATHER SERVICE SAN ANGELO TX
813 PM CDT SAT JUN 14 2003

LATEST RADAR SHOWS AN OUTFLOW BOUNDARY MOVING SOUTHWARD ACROSS THE
BIG COUNTRY...FROM CONVECTION OVER NORTH CENTRAL TEXAS NEAR THE RED
RIVER.  STORMS ALSO MOVING SOUTHEASTWARD OVER FAR EASTERN NEW MEXICO.
THE STORMS  TO THE WEST MAY HOLD TOGETHER LONG ENOUGH TO MAKE IT
INTO THE FORECAST AREA OVERNIGHT.  WE ARE NOT EXPECTING WIDESPREAD
STORMS TONIGHT...AS THE ATMOSPHERE IS STILL RECOVERING FROM
YESTERDAYS HEAVY RAINS. WILL KEEP CURRENT POPS GOING.  TEMPERATURES
LOOK ON TRACK  SO FAR...SO NO UPDATES NEEDED AT THIS TIME.

------

UPPER TROUGH OVER OKLAHOMA CONTINUES TO SUPPORT FAIRLY WIDESPREAD
CONVECTION ACROSS CENTRAL AND WESTERN OKLAHOMA THIS AFTERNOON.
INDIVIDUAL CELLS REMAINING NEARLY STATIONARY OR PERHAPS EVEN
DRIFTING OFF TO THE NORTHWEST...ALTHOUGH ADDITIONAL ACTIVITY
DEVELOPING ON THE SOUTHERN EDGE. ACROSS WEST CENTRAL TEXAS
...ATMOSPHERE NOT ANYWHERE CLOSE TO BEING RECOVERED FROM YESTERDAYS
CONVECTION. TEMPS HOLDING IN THE 80S...BUT DEWPOINTS HAVE DROPPED
INTO THE MID 50S TO MID 60S INSTEAD OF LOWER 70S. THUS...DO NOT
NEARLY HAVE THE INSTABILITY THAT WE HAVE SEEN IN RECENT DAYS.

FOR TONIGHT...EXPECT TWO MAIN AREAS OF CONVECTION. THE FIRST...THE
ONGOING CONVECTION ACROSS OKLAHOMA...SHOULD DRIFT SOUTHEAST WITH THE
SHEAR ZONE AND HEAD MOSTLY IN THE NORTH CENTRAL TEXAS. HOWEVER
...OUTFLOW BOUNDARY HEADING SOUTH FROM THIS CONVECTION WILL CROSS
THE RED RIVER AND MAY TRIGGER ADDITIONAL ACTIVITY INTO MY NORTHERN
ZONES THIS EVENING.

EXPECT A SECOND AREA OF CONVECTION TO DEVELOP ACROSS THE SOUTHEAST
NEW MEXICO AND THE MOUNTAINS OF WEST TEXAS...WHERE BETTER
INSTABILITY SHOULD COINCIDE WITH GOOD UPSLOPE FLOW. THESE STORMS
SHOULD MOVE SOUTHEAST TOWARDS MY SOUTHWEST ZONES...AND MAY EXPAND
EAST ACROSS THE SOUTHERN ZONES ALONG A WEAK COLD FRONT. WILL
REORIENT POPS ACROSS THE AREA TONIGHT AND PLACE HIGHEST POPS ACROSS
THE SOUTH INSTEAD OF THE NORTH.

UPPER TROUGH TO CONTINUE TO DRIFT ACROSS TEXAS THROUGH THE NEXT
SEVERAL DAYS. MOST OF WEST CENTRAL TEXAS WILL BE ON THE RELATIVELY
DRY SIDE OF THIS SYSTEM...BUT WILL STILL NEED SLIGHT CHANCE TO
CHANCE POPS ACROSS THE AREA...WITH BEST POPS ACROSS THE SOUTHEAST.

UPPER RIDGE TRIES TO BUILD INTO THE SOUTHERN PLAINS BY THE END OF
THE WEEK AND DRY US OUT. AS FOR TEMPS...WILL NOT MAKE ANY
SIGNIFICANT CHANGES TO THE CURRENT NUMBERS...ALTHOUGH WITH A VERY
WET GROUND AND A LOT MORE VEGETATION...WILL SLOW THE WARMUP JUST A
TAD.

ABI 063/085/064/086 4222
SJT 063/086/064/086 4222
JCT 067/086/063/086 5332

.SJT...NONE.

07
Hazardous weather outlook, Jun 14, 2:30 PM CDT, 9 hours 30 minutes before
TXZ049-054-064>066-071>073-076>078-098-099-113-114-127-128-139-140-
154-155-168>170-151915-

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE SAN ANGELO TX
230 PM CDT SAT JUN 14 2003

THIS HAZARDOUS WEATHER OUTLOOK IS FOR WEST CENTRAL TEXAS.

.DAY ONE...

...THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS ACROSS MUCH OF
WEST CENTRAL TEXAS TODAY AND TONIGHT...

NORTHWEST FLOW IN THE UPPER LEVELS OF THE ATMOSPHERE WILL CONTINUE
ACROSS MOST OF WEST TEXAS THROUGH TONIGHT. AS DISTURBANCES MOVE
THROUGH THE NORTHWEST FLOW ALOFT...SCATTERED THUNDERSTORMS ARE
EXPECTED TO DEVELOP THIS AFTERNOON AND TONIGHT. AREAS SOUTH OF
INTERSTATE 20 WILL HAVE THE GREATEST CHANCE OF SEVERE WEATHER. THE
MAIN THREAT WILL BE LARGE HAIL AND FLASH FLOODING.

.DAYS TWO THROUGH SEVEN...
THERE IS A SLIGHT CHANCE OF THUNDERSTORMS MONDAY THROUGH THURSDAY.
NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION MAY BE REQUIRED.

04

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 14, 10:52 PM CDTSevere Thunderstorm WarningSJTCrockett, Schleicher38 min
Jun 14, 11:38 PM CDTSevere Thunderstorm WarningSJTConcho52 min
Jun 14, 11:51 PM CDTSevere Thunderstorm WarningSJTMason54 min
Jun 15, 12:36 AM CDTSevere Thunderstorm WarningSJTMenard54 min
Jun 15, 1:18 AM CDTSevere Thunderstorm WarningSJTSutton57 min
Jun 15, 1:29 AM CDTSevere Thunderstorm WarningSJTKimble, Menard61 min
Jun 15, 1:39 AM CDTFlash Flood WarningSJTSutton3 hr
Jun 15, 2:05 AM CDTFlash Flood WarningSJTKimble4 hr
Jun 15, 2:16 AM CDTSevere Thunderstorm WarningSJTSutton59 min
Jun 15, 2:28 AM CDTSevere Thunderstorm WarningSJTKimble, Mason32 min
Jun 15, 2:41 AM CDTFlash Flood WarningSJTMason4 hr
Jun 15, 2:46 AM CDTSevere Thunderstorm WarningSJTCrockett59 min
Jun 15, 3:03 AM CDTSevere Thunderstorm WarningSJTSchleicher57 min
Jun 15, 3:15 AM CDTSevere Thunderstorm WarningSJTSutton60 min
Jun 15, 3:40 AM CDTFlash Flood WarningSJTSchleicher3 hr
Jun 15, 4:00 AM CDTTornado WarningSJTSutton30 min
Jun 15, 4:27 AM CDTFlash Flood WarningSJTSutton3 hr
Jun 15, 4:33 AM CDTSevere Thunderstorm WarningSJTKimble57 min
Jun 15, 5:55 AM CDTFlash Flood WarningSJTKimble3 hr
Jun 15, 6:40 AM CDTFlash Flood WarningSJTMason3 hr

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.