Alert archive / Texas / Severe Thunderstorm Warnings in 2005

Severe Thunderstorm Warning 227, NWS San Angelo, TX

June 6, 2005Throckmorton County, Texas

NWS San Angelo, TX issued this severe thunderstorm warning at Jun 6, 2005, 1:53 AM CDT for Throckmorton County, Texas. It was in force for 37 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
Jun 6, 2005, 1:53 AM CDT (06:53 UTC)
Expired
Jun 6, 2005, 2:30 AM CDT
In force
37 min
Issued by
NWS San Angelo, TX
Area
Counties, with a storm outline in the text

County Throckmorton County, TX

The radar

The Dyess AFB radar (KDYX), 71 km from the middle of the area, began a volume at 06:53 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
Jun 5, 11:20 PM CDTSevere Thunderstorm WatchSPC4 hr

The nearest sounding before it

Norman, OK (KOUN), launched 00:00Z, 6.9 hours before the alert went out and 282 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, Norman, OK at 00:00Z on 2005-06-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3466 joules per kilogram.LCLEL10008507005003002001001 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, Norman, OK at 00:00Z on 2005-06-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 50 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
3466 J/kg
Mixed-layer CIN
-3 J/kg
Mixed-layer LCL
887 m above ground
0-6 km bulk shear
39 kt
0-1 km storm-relative helicity
50 m²/s²
0-3 km storm-relative helicity
125 m²/s²
Significant tornado parameter
1.8
Supercell composite
9.9

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 Jun 5, 11:42 PM CDT, 2 hours 11 minutes earlier.

Area forecast discussion, Jun 5, 11:42 PM CDT, 2 hours 11 minutes before
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Hazardous weather outlook, Jun 5, 2:57 PM CDT, 10 hours 56 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE SAN ANGELO TX
257 PM CDT SUN JUN 5 2005

TXZ049-054-064>066-071>073-076>078-098-099-113-114-127-128-139-140-
154-155-168>170-061957-
BROWN-CALLAHAN-COKE-COLEMAN-CONCHO-CROCKETT-FISHER-HASKELL-IRION-
JONES-KIMBLE-MASON-MCCULLOCH-MENARD-NOLAN-RUNNELS-SAN SABA-
SCHLEICHER-SHACKELFORD-STERLING-SUTTON-TAYLOR-THROCKMORTON-TOM GREEN-
257 PM CDT SUN JUN 5 2005

THIS HAZARDOUS WEATHER OUTLOOK IS FOR WEST CENTRAL TEXAS.

.DAY ONE...TONIGHT
AN OUTFLOW BOUNDARY WAS LOCATED ACROSS THE NORTHERN BIG
COUNTRY...AND MOVING SLOWLY NORTH. CONDITIONS ARE BECOMING MORE
FAVORABLE FOR SEVERE THUNDERSTORM DEVELOPMENT ACROSS NORTHERN
TEXAS...NEAR THE RED RIVER. ISOLATED SEVERE THUNDERSTORMS MAY
DEVELOP AFTER 4 PM...NEAR THE BIG COUNTRY. IF STORMS DO
DEVELOP...THE STORMS WILL MOVE EAST ACROSS THE BIG COUNTRY...
MAINLY ALONG AND NORTH OF I-20. THE MAIN THREAT FROM THESE STORMS
WILL BE LARGE HAIL AND DAMAGING WINDS. THUNDERSTORM DEVELOPMENT
DOES NOT LOOK FAVORABLE ACROSS THE REMAINDER OF WEST CENTRAL
TEXAS. HOWEVER...A FEW STORMS ARE STILL POSSIBLE...MAINLY ACROSS
THE CONCHO VALLEY AND HEARTLAND.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SUNDAY

ISOLATED THUNDERSTORMS WILL BE POSSIBLE EACH DAY. ALTHOUGH
WIDESPREAD SEVERE WEATHER EVENTS ARE NOT ANTICIPATED...A FEW
STORMS WILL LIKELY BE SEVERE.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION MAY BE REQUIRED LATE THIS AFTERNOON AND
TONIGHT ACROSS THE BIG COUNTRY.

In the hours before

Local storm report, Jun 5, 9:16 PM CDT, 4 hours 37 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SAN ANGELO TX
916 PM CDT SUN JUN 05 2005

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0708 PM     TORNADO          3 W ROSCOE              32.45N 100.59W
06/05/2005                   NOLAN              TX   LAW ENFORCEMENT

            AMATEUR RADIO OPERATORS AND LAW ENFORCEMENT OFFICIALS
            FROM SWEETWATER REPORTED LAND SPOUT TYPE TORNADO
            TOUCHDOWNS.

0725 PM     TORNADO          1 SE WASTELLA           32.50N 100.64W
06/05/2005                   NOLAN              TX   LAW ENFORCEMENT

            SWEETWATER LAW ENFORCEMENT OFFICIALS AND AMATEUR RADIO
            OPERATORS REPORTED SEVERAL TOUCHDOWNS OF LAND SPOUT TYPE
            TORNADOES BETWEEN ROSCOE AND WASTELLA

&&

GUERRERO
Special weather statement, Jun 5, 9:23 PM CDT, 4 hours 30 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SAN ANGELO TX
923 PM CDT SUN JUN 5 2005

TXZ098-099-114-060330-

HASKELL TX-SHACKELFORD TX-THROCKMORTON TX-
923 PM CDT SUN JUN 5 2005

...SIGNIFICANT WEATHER ALERT EFFECTIVE UNTIL 1030 PM CDT FOR
HASKELL...THROCKMORTON AND SHACKELFORD COUNTIES...

AT 918 PM CDT...AN GUST FRONT ASSOCIATED WITH THUNDERSTORMS WILL
PRODUCE WIND SPEEDS BETWEEN 45 AND 55 MPH AS IT MOVES RAPIDLY
SOUTHEAST ACROSS THROCKMORTON COUNTY.  THESE STRONG WINDS WILL
BE NEAR... THROCKMORTON AT 940 PM CDT...  ELBERT...WOODSON AT 955 PM
CDT.

RESIDENTS ARE ENCOURAGED TO MONITOR THE SITUATION CLOSELY AND BE
PREPARED TO TAKE THE PROPER ACTIONS SHOULD A WARNING BE ISSUED.
Special weather statement, Jun 5, 10:28 PM CDT, 3 hours 25 minutes before
TXZ049-054-098-099-113-114-127-128-060500-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SAN ANGELO TX
1028 PM CDT SUN JUN 5 2005

...A SEVERE THUNDERSTORM WATCH IS IN EFFECT...

A SEVERE THUNDERSTORM WATCH IS IN EFFECT THROUGH
MIDNIGHT FOR THE FOLLOWING COUNTIES...FISHER...HASKELL...
AND THROCKMORTON.

AT 1030 PM...A NEARLY SOLID LINE OF THUNDERSTORMS
EXTENDED FROM THROCKMORTON TO ANSON TO ROBY OR
JUST NORTH OF SWEETWATER.  THE LINE WAS DRIFTING
SLOWLY TO THE SOUTHEAST AT LESS THAN 5 MPH.

THE STRONGEST STORM WILL PRODUCE SMALL HAIL AND
WIND GUST TO NEAR 45 MPH.

BECAUSE OF THE SLOW MOVEMENT OF THIS LINE OF
STORMS...BEWARE OF FLASH FLOODING.
Local storm report, Jun 5, 11:32 PM CDT, 2 hours 21 minutes before
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Special weather statement, Jun 5, 11:45 PM CDT, 2 hours 8 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Jun 5, 7:09 PM CDTTornado WarningSJTNolan36 min
Jun 5, 7:58 PM CDTSevere Thunderstorm WarningSJTFisher, Jones47 min
Jun 5, 8:03 PM CDTSevere Thunderstorm WarningSJTHaskell42 min
Jun 5, 9:01 PM CDTSevere Thunderstorm WarningSJTHaskell29 min
Jun 5, 9:27 PM CDTSevere Thunderstorm WarningSJTFisher48 min
Jun 5, 10:41 PM CDTSevere Thunderstorm WarningSJTShackelford, Throckmorton34 min
Jun 5, 11:08 PM CDTTornado WarningSJTNolan37 min
Jun 6, 1:33 AM CDTSevere Thunderstorm WarningSJTHaskell, Throckmorton27 min
Jun 6, 2:04 AM CDTSevere Thunderstorm WarningSJTShackelford26 min

Nearby

Severe Thunderstorm Warnings in Texas, 2005Every severe thunderstorm warning in 2005

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.