Alert archive / Texas / Severe Thunderstorm Warnings in 2003

Severe Thunderstorm Warning 97, NWS Austin/San Antonio, TX

June 10, 2003Dimmit County, Texas

NWS Austin/San Antonio, TX issued this severe thunderstorm warning at Jun 10, 2003, 5:42 AM CDT for Dimmit County, Texas. It was in force for 48 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 10, 2003, 5:42 AM CDT (10:42 UTC)
Expired
Jun 10, 2003, 6:30 AM CDT
In force
48 min
Issued by
NWS Austin/San Antonio, TX
Area
Counties, with a storm outline in the text

County Dimmit 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

Del Rio, TX (KDRT), launched 00:00Z, 10.7 hours before the alert went out and 150 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 00:00Z on 2003-06-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2129 joules per kilogram.LCLEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Del Rio, TX at 00:00Z on 2003-06-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -10 square meters per square second.193958Sfc1 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
2129 J/kg
Mixed-layer CIN
-5 J/kg
Mixed-layer LCL
2096 m above ground
0-6 km bulk shear
16 kt
0-1 km storm-relative helicity
-10 m²/s²
0-3 km storm-relative helicity
32 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

042 
WUUS54 KEWX 101042
SVRSAT
TXC127-101130-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
540 AM CDT TUE JUN 10 2003

THE NATIONAL WEATHER SERVICE IN AUSTIN SAN ANTONIO HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR THE FOLLOWING COUNTIES IN TEXAS...
  DIMMIT

* UNTIL 630 AM CDT

* AT 540 AM...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  SEVERE THUNDERSTORMS OVER ASHERTON AND BIG WELLS...MOVING EAST
  AT 30 MPH.

* THE SEVERE THUNDERSTORM WILL BE...
  CATARINA AT 550 AM

IF SEVERE WEATHER APPROACHES YOUR AREA...GO INSIDE A STURDY SHELTER 
AWAY FROM CREEK BEDS AND OTHER FLOOD-PRONE AREAS. REMEMBER...A SEVERE
THUNDERSTORM CAN PRODUCE LARGE DAMAGING HAIL...DAMAGING WINDS IN 
EXCESS OF 55 MPH...DEADLY LIGHTNING...AND VERY HEAVY RAIN.

HEAVY RAINS MAY FLOOD LOW LYING AREAS SUCH AS LOW WATER CROSSINGS...
DITCHES AND UNDERPASSES. AVOID THESE AREAS AND DO NOT CROSS FLOODED
ROADS AS THEY MAY BE WASHED OUT. WATER LEVELS OF SMALL STREAMS AND
RIVERS MAY ALSO RISE. SEEK HIGHER GROUND IF THREATENED BY FLOOD
WATERS.


LAT...LON 2861 9984 2822 10004 2822 9941 2862 9942

$$

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 Austin/San Antonio, TX wrote its last area forecast discussion before this severe thunderstorm warning went out at Jun 10, 2:47 AM CDT, 2 hours 55 minutes earlier.

Area forecast discussion, Jun 10, 2:47 AM CDT, 2 hours 55 minutes before
SOUTH CENTRAL TEXAS FORECAST DISCUSSION
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
247 AM CDT TUE JUN 10 2003

CONVECTION IS SLOWING DOWN.  GENERAL TROUGHINESS ALOFT WILL
GRADUALLY LIFT NORTHEAST TODAY.  SO LOOKING AT SHOWER/TSTM ACTIVITY
TO CONTINUE MOVING DEVELOPING EAST TODAY.  ANOTHER UPPER LOW ON
WATER VAPOR IS BEHIND THIS ONE BUT A LITTER FARTHER NORTH IN ITS
TRACK AND MOVING SLOWER.  SO BY TIME THIS ONE REACHES FAR WEST TEXAS
WEDNESDAY AFTERNOON, THE ATMOS WILL HAVE RECOVERED AND A ROUND OF
SHOWERS AND THUNDERSTORMS WILL MOVE THROUGH DURING THE LATER
AFTERNOON AND WEDNESDAY NIGHT.  SUBTLE S/W TROUGHS IN THE SOUTHERN
STREAM WILL KEEP SOME CHANCE OF PRECIP OVER THE CWA THROUGH THE
WEEK.   ANOTHER TANDEM LOW IS DROPPING SOUTH THROUGH BRITISH
COLUMBIA WITH THE LEADING LOW REACHING THE WASHINGTON/IDAHO/OREGON
BORDERS AROUND 06Z WEDNESDAY. A MISSISSIPPI VALLEY LOW DEVELOPS
MIDWEEK AND DROPS A COLD FRONT SOUTH THROUGH TEXAS SATURDAY NIGHT.
THIS FEATURE HAS BEEN CONSISTENT WITH MODEL-TO-MODEL RUNS SINCE LAST
NIGHT. SO PERIODS OF SHOWERS AND THUNDERSTORMS WILL CONTINUE WITH
COOLER NIGHT AND OVERNIGHT SHOWERS AND THUNDERSTORMS FOR THE
BEGINNING OF NEXT WEEK.  MIN TEMPS TRICKY AS THEY WILL BE RAIN
DRIVEN.

PRELIMINARY NUMBERS...
AUS 92 72 92 73 92  41342
DRT 96 76 96 76 96  22-43
SAT 93 74 92 74 92  41232

.EWX...NONE.

06/04
Hazardous weather outlook, Jun 9, 6:00 AM CDT, 23 hours 42 minutes before
TXZ171>173-183>194-202>209-217>225-228-101100-

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
600 AM CDT MON JUN 9 2003

THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTH CENTRAL TEXAS.

.DAY ONE...TODAY AND TONIGHT
NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...
SPOTTER ACTIVATION IS NOT ANTICIPATED.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY
NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME...HOWEVER...STRONG
THUNDERSTORMS ARE POSSIBLE MAINLY ACROSS VAL VERDE COUNTY TUESDAY
AFTERNOON THROUGH WEDNESDAY NIGHT.

In the hours before

Local storm report, Jun 10, 12:45 AM CDT, 4 hours 57 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO, TX
1245 AM CDT TUE JUN 10 2003

TIME(CDT)  .....CITY LOCATION.....STATE   ...EVENT/REMARKS...
           ....COUNTY LOCATION....

1230 AM    LAKE AMISTAD            TX        ESTIMATED 60-65 MPH
06/10/03   VAL VERDE                         TSTM WIND GUST
                                             REPORTED BY LAW
                                             ENFORCEMENT

PM

The office that day

Everything else NWS Austin/San Antonio, TX issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 10, 12:03 AM CDTSevere Thunderstorm WarningEWXVal Verde57 min
Jun 10, 12:56 AM CDTSevere Thunderstorm WarningEWXKinney64 min
Jun 10, 3:22 AM CDTFlash Flood WarningEWXReal3 hr
Jun 10, 4:24 AM CDTSevere Thunderstorm WarningEWXDimmit, Zavala66 min
Jun 10, 4:33 AM CDTFlash Flood WarningEWXBandera3 hr
Jun 10, 6:42 AM CDTFlash Flood WarningEWXReal2 hr
Jun 10, 7:23 AM CDTFlash Flood WarningEWXBandera3 hr
Jun 10, 8:44 AM CDTFlash Flood WarningEWXReal61 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.