Alert archive / Texas / Severe Thunderstorm Warnings in 2010

Severe Thunderstorm Warning 232, NWS Fort Worth, TX

October 23, 2010Anderson County, Freestone County, Limestone County, Texas

NWS Fort Worth, TX issued this severe thunderstorm warning at Oct 23, 2010, 5:14 PM CDT for Anderson County, Freestone County, Limestone 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
Oct 23, 2010, 5:14 PM CDT (22:14 UTC)
Expired
Oct 23, 2010, 6:00 PM CDT
In force
46 min
Issued by
NWS Fort Worth, TX
Area
Storm-based polygon

Counties Anderson County, TX, Freestone County, TX, Limestone County, TX

The radar

The Dallas/Ft Worth radar (KFWS), 148 km from the middle of the area, began a volume at 22:13 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 23, 12:05 PM CDTTornado WatchSPC8 hr

The nearest sounding before it

Fort Worth, TX (KFWD), launched 12:00Z, 10.2 hours before the alert went out and 168 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, Fort Worth, TX at 12:00Z on 2010-10-23Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1496 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, Fort Worth, TX at 12:00Z on 2010-10-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 207 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
1496 J/kg
Mixed-layer CIN
-2 J/kg
Mixed-layer LCL
606 m above ground
0-6 km bulk shear
51 kt
0-1 km storm-relative helicity
207 m²/s²
0-3 km storm-relative helicity
173 m²/s²
Significant tornado parameter
1.7
Supercell composite
8.0

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 Fort Worth, TX wrote its last area forecast discussion before this severe thunderstorm warning went out at Oct 23, 5:04 PM CDT, 10 minutes earlier.

Area forecast discussion, Oct 23, 5:04 PM CDT, 10 minutes before
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Hazardous weather outlook, Oct 23, 4:01 PM CDT, 1 hour 13 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE FORT WORTH TX
401 PM CDT SAT OCT 23 2010

TXZ091>095-100>107-115>123-129>135-141>148-156>162-174-175-241115-
MONTAGUE-COOKE-GRAYSON-FANNIN-LAMAR-YOUNG-JACK-WISE-DENTON-COLLIN-
HUNT-DELTA-HOPKINS-STEPHENS-PALO PINTO-PARKER-TARRANT-DALLAS-
ROCKWALL-KAUFMAN-VAN ZANDT-RAINS-EASTLAND-ERATH-HOOD-SOMERVELL-
JOHNSON-ELLIS-HENDERSON-COMANCHE-MILLS-HAMILTON-BOSQUE-HILL-NAVARRO-
FREESTONE-ANDERSON-LAMPASAS-CORYELL-BELL-MCLENNAN-FALLS-LIMESTONE-
LEON-MILAM-ROBERTSON-
401 PM CDT SAT OCT 23 2010

THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTH TEXAS.

.DAY ONE...THIS AFTERNOON AND TONIGHT.
NUMEROUS THUNDERSTORMS WILL AFFECT NORTH TEXAS LATE THIS AFTERNOON
AND EVENING. SEVERE THUNDERSTORMS WITH LARGE HAIL AND DAMAGING
WINDS WILL BE POSSIBLE...PRIMARILY EAST OF THE I-35 CORRIDOR.
ISOLATED TORNADOES MAY ALSO OCCUR...AND VERY HEAVY RAIN MAY CAUSE
FLASH FLOODING. THUNDERSTORM COVERAGE AND INTENSITY WILL DIMINISH
FROM WEST TO EAST THIS EVENING...BUT SOME STORMS MAY LINGER IN
EAST TEXAS AFTER MIDNIGHT.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY.
SEVERE THUNDERSTORMS WILL BE POSSIBLE ON SUNDAY...MAINLY EAST OF
THE I-35 CORRIDOR. LARGE HAIL...DAMAGING WINDS...AND ISOLATED
TORNADOES WILL BE POSSIBLE.

WIDELY SCATTERED THUNDERSTORMS ARE EXPECTED ACROSS NORTHEAST TEXAS
MONDAY NIGHT AS A COLD FRONT MOVES THROUGH THE AREA. SEVERE
WEATHER IS NOT EXPECTED.

.SPOTTER INFORMATION STATEMENT...
SPOTTER ACTIVATION WILL LIKELY BE REQUESTED THIS AFTERNOON AND
EVENING...PARTICULARLY EAST OF THE I-35 CORRIDOR.

25

In the hours before

Local storm report, Oct 23, 2:41 PM CDT, 2 hours 33 minutes before
PRELIMINARY LOCAL STORM REPORT...RETRANSMITTED
NATIONAL WEATHER SERVICE FORT WORTH TX
241 PM CDT SAT OCT 23 2010

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

1255 PM     TSTM WND DMG     2 SSE NORTH RICHLAND HILLS 32.80N  97.24W
10/23/2010                   TARRANT            TX   TRAINED SPOTTER

            A RESIDENCE ROOF WAS PARTIALLY BLOWN OFF NEAR BOWSPIRIT
            LANE. TIME ESTIMATED.
Special weather statement, Oct 23, 2:46 PM CDT, 2 hours 28 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE FORT WORTH TX
246 PM CDT SAT OCT 23 2010

TXZ159-232015-
MCLENNAN TX-
246 PM CDT SAT OCT 23 2010

...SIGNIFICANT WEATHER ADVISORY FOR...
  MCLENNAN COUNTY

AT 247 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
STRONG THUNDERSTORM 5 MILES SOUTHWEST OF WOODWAY...MOVING NORTHEAST
AT 30 MPH.

CITIES IN THE PATH OF THIS STORM INCLUDE BELLMEAD...BEVERLY HILLS...
HALLSBURG...HEWITT...LACY-LAKEVIEW...MART...NORTHCREST...ROBINSON...
WACO...WEST AND WOODWAY.

PENNY-SIZED HAIL AND WIND GUSTS TO 50 MPH CAN BE EXPECTED FROM THIS
STORM.

HEAVY RAINFALL MAY RESULT IN FLOODING OF LOW LYING AREAS SUCH AS
DITCHES AND UNDERPASSES. AVOID THESE AREAS AND DO NOT CROSS FLOODED
ROADS AS THEY MAY BE WASHED OUT.

IF THIS STORM INTENSIFIES...A SEVERE WEATHER WARNING MAY BE NEEDED.

LAT...LON 3158 9743 3185 9705 3154 9681 3137 9730
TIME...MOT...LOC 1947Z 231DEG 26KT 3148 9727
Special weather statement, Oct 23, 3:51 PM CDT, 1 hour 23 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE FORT WORTH TX
351 PM CDT SAT OCT 23 2010

TXZ160-232115-
FALLS TX-
351 PM CDT SAT OCT 23 2010

...SIGNIFICANT WEATHER ADVISORY FOR...
  FALLS COUNTY

AT 345 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
STRONG THUNDERSTORM 16 MILES SOUTHWEST OF MARLIN...MOVING NORTHEAST
AT 35 MPH.

CITIES IN THE PATH OF THIS STORM INCLUDE LOTT...MARLIN AND ROSEBUD.

NICKEL-SIZED HAIL AND WIND GUSTS TO 50 MPH CAN BE EXPECTED FROM THIS
STORM.

IF THIS STORM INTENSIFIES...A SEVERE WEATHER WARNING MAY BE NEEDED.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 800 PM CDT SATURDAY EVENING
FOR EASTERN TEXAS.

LAT...LON 3117 9714 3147 9676 3123 9660 3111 9682
      3112 9683 3100 9708
TIME...MOT...LOC 2045Z 225DEG 31KT 3113 9697
Local storm report, Oct 23, 4:25 PM CDT, 49 minutes before
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Local storm report, Oct 23, 4:33 PM CDT, 41 minutes before
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Local storm report, Oct 23, 4:40 PM CDT, 34 minutes before
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The office that day

Everything else NWS Fort Worth, TX issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Oct 22, 7:20 PM CDTSpecial Weather StatementFWDCooke25 min
Oct 22, 8:03 PM CDTSpecial Weather StatementFWDGrayson27 min
Oct 23, 7:10 AM CDTSpecial Weather StatementFWDYoung35 min
Oct 23, 7:56 AM CDTSpecial Weather StatementFWDJack, Montague34 min
Oct 23, 9:25 AM CDTSpecial Weather StatementFWDEastland, Stephens35 min
Oct 23, 10:11 AM CDTSpecial Weather StatementFWDEastland, Palo Pinto34 min
Oct 23, 10:53 AM CDTSpecial Weather StatementFWDWise22 min
Oct 23, 11:25 AM CDTSpecial Weather StatementFWDCooke35 min
Oct 23, 11:42 AM CDTSpecial Weather StatementFWDErath, Hood, Parker, Somervell33 min
Oct 23, 12:02 PM CDTSpecial Weather StatementFWDGrayson28 min
Oct 23, 12:03 PM CDTSpecial Weather StatementFWDTarrant27 min
Oct 23, 12:06 PM CDTSevere Thunderstorm WarningFWDParker, Tarrant54 min
Oct 23, 12:30 PM CDTSpecial Weather StatementFWDGrayson30 min
Oct 23, 12:46 PM CDTSevere Thunderstorm WarningFWDTarrant44 min
Oct 23, 12:53 PM CDTTornado WarningFWDTarrant25 min
Oct 23, 1:04 PM CDTFlash Flood WarningFWDHood, Parker, Tarrant116 min
Oct 23, 1:06 PM CDTTornado WarningFWDCollin, Dallas, Denton39 min
Oct 23, 1:07 PM CDTFlash Flood WarningFWDCooke, Denton, Grayson113 min
Oct 23, 1:53 PM CDTSpecial Weather StatementFWDBosque, Somervell37 min
Oct 23, 1:55 PM CDTSpecial Weather StatementFWDJohnson35 min
Oct 23, 2:19 PM CDTSpecial Weather StatementFWDHunt, Rockwall26 min
Oct 23, 2:39 PM CDTSpecial Weather StatementFWDDallas36 min
Oct 23, 2:46 PM CDTSpecial Weather StatementFWDMcLennan29 min
Oct 23, 2:57 PM CDTFlash Flood WarningFWDDallas, Rockwall3 hr
Oct 23, 3:14 PM CDTFlash Flood WarningFWDEllis, Johnson, Tarrant2 hr
Oct 23, 3:15 PM CDTSevere Thunderstorm WarningFWDHill, Limestone, McLennan, Navarro60 min
Oct 23, 3:34 PM CDTTornado WarningFWDEllis, Henderson, Kaufman, Navarro41 min
Oct 23, 3:51 PM CDTSpecial Weather StatementFWDFalls24 min
Oct 23, 3:57 PM CDTTornado WarningFWDHill, Navarro48 min
Oct 23, 4:03 PM CDTSevere Thunderstorm WarningFWDFalls, Freestone, Leon, Limestone, Robertson42 min
Oct 23, 4:08 PM CDTTornado WarningFWDKaufman, Van Zandt52 min
Oct 23, 4:17 PM CDTTornado WarningFWDFalls, Freestone, Leon, Limestone, Robertson58 min
Oct 23, 4:34 PM CDTTornado WarningFWDHenderson, Navarro41 min
Oct 23, 4:47 PM CDTTornado WarningFWDRains, Van Zandt43 min
Oct 23, 5:12 PM CDTSevere Thunderstorm WarningFWDHenderson, Van Zandt48 min
Oct 23, 5:55 PM CDTSevere Thunderstorm WarningFWDLeon50 min
Oct 23, 5:58 PM CDTSevere Thunderstorm WarningFWDAnderson, Freestone47 min
Oct 23, 6:18 PM CDTAreal Flood AdvisoryFWDAnderson, Freestone, Leon117 min
Oct 23, 6:41 PM CDTSevere Thunderstorm WarningFWDAnderson, Leon17 min

Nearby

Severe Thunderstorm Warnings in Texas, 2010Every severe thunderstorm warning in 2010

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.