Alert archive / Texas / Severe Thunderstorm Warnings in 2006

Severe Thunderstorm Warning 334, NWS San Angelo, TX

October 10, 2006McCulloch County, San Saba County, Texas

NWS San Angelo, TX issued this severe thunderstorm warning at Oct 10, 2006, 4:21 AM CDT for McCulloch County, San Saba County, Texas. It was in force for 24 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
Oct 10, 2006, 4:21 AM CDT (09:21 UTC)
Expired
Oct 10, 2006, 4:45 AM CDT
In force
24 min
Issued by
NWS San Angelo, TX
Area
Counties, with a storm outline in the text

Counties McCulloch County, TX, San Saba County, TX

The radar

The San Angelo radar (KSJT), 136 km from the middle of the area, began a volume at 09:22 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The watch it was issued in

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

IssuedProductOfficeLasted
Oct 10, 3:18 AM CDTTornado WatchSPC7 hr

The nearest sounding before it

Del Rio, TX (KDRT), launched 00:00Z, 9.4 hours before the alert went out and 262 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 2006-10-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 628 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 00:00Z on 2006-10-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 41 square meters per square second.19395878Sfc1 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
628 J/kg
Mixed-layer CIN
-31 J/kg
Mixed-layer LCL
1323 m above ground
0-6 km bulk shear
45 kt
0-1 km storm-relative helicity
41 m²/s²
0-3 km storm-relative helicity
90 m²/s²
Significant tornado parameter
0.1
Supercell composite
1.4

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 Oct 10, 3:54 AM CDT, 27 minutes earlier.

Area forecast discussion, Oct 10, 3:54 AM CDT, 27 minutes before
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Hazardous weather outlook, Oct 9, 2:49 PM CDT, 13 hours 32 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE SAN ANGELO TX
249 PM CDT MON OCT 9 2006

TXZ049-054-064>066-071>073-076>078-098-099-113-114-127-128-139-
140-154-155-168>170-102000-
FISHER-NOLAN-STERLING-COKE-RUNNELS-IRION-TOM GREEN-CONCHO-
CROCKETT-SCHLEICHER-SUTTON-HASKELL-THROCKMORTON-JONES-SHACKELFORD-
TAYLOR-CALLAHAN-COLEMAN-BROWN-MCCULLOCH-SAN SABA-MENARD-KIMBLE-
MASON-
249 PM CDT MON OCT 9 2006

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF WEST CENTRAL
TEXAS.

.DAY ONE...THIS AFTERNOON AND TONIGHT

A COMBINATION OF A VERY SLOW MOVING COLD FRONT AND AN APPROACHING
UPPER LEVEL STORM SYSTEM WILL BRING WIDESPREAD SHOWERS AND
THUNDERSTORMS TO WEST CENTRAL TEXAS THROUGH TUESDAY. ALTHOUGH WE
DO NOT EXPECT WIDESPREAD SEVERE WEATHER...ONE OR TWO OF THESE
STORMS MAY BRIEFLY REACH SEVERE LEVELS. LARGE HAIL WILL BE THE
PRIMARY THREAT.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY

THE COLDEST TEMPERATURES SO FAR THIS AUTUMN WILL ARRIVE IN WEST
CENTRAL TEXAS FOR THURSDAY...WITH HIGHS IN THE 60S ON THURSDAY AND
LOW FRIDAY MORNING IN THE UPPER 30S AND LOWER 40S.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION MAY BE REQUESTED TONIGHT AND TUESDAY.

07

In the hours before

Special weather statement, Oct 10, 1:19 AM CDT, 3 hours 2 minutes before
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Special weather statement, Oct 10, 2:16 AM CDT, 2 hours 5 minutes before
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Special weather statement, Oct 10, 3:16 AM CDT, 1 hour 5 minutes before
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Special weather statement, Oct 10, 4:07 AM CDT, 14 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Oct 9, 11:28 PM CDTSevere Thunderstorm WarningSJTCrockett62 min
Oct 10, 12:30 AM CDTSevere Thunderstorm WarningSJTCrockett60 min
Oct 10, 1:32 AM CDTSevere Thunderstorm WarningSJTCrockett, Irion, Schleicher43 min
Oct 10, 5:29 AM CDTSevere Thunderstorm WarningSJTSan Saba31 min
Oct 10, 6:02 AM CDTSevere Thunderstorm WarningSJTSutton43 min
Oct 10, 7:17 AM CDTSevere Thunderstorm WarningSJTKimble28 min

Nearby

Severe Thunderstorm Warnings in Texas, 2006Every severe thunderstorm warning in 2006

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; radar from the NEXRAD Level II archive.