Alert archive / Texas / Severe Thunderstorm Warnings in 2009

Severe Thunderstorm Warning 39, NWS Fort Worth, TX

February 10, 2009Leon County, Robertson County, Texas

NWS Fort Worth, TX issued this severe thunderstorm warning at Feb 10, 2009, 10:50 PM CST for Leon County, Robertson County, Texas. It was in force for 49 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: Feb 10, 2009, 10:50 PM CST (04:50 UTC)
Expired: Feb 10, 2009, 11:39 PM CST
In force: 49 min
Issued by: NWS Fort Worth, TX
Area: Storm-based polygon

Counties Leon County, TX, Robertson County, TX

The radar

The Ft Hood radar (KGRK), 118 km from the middle of the area, began a volume at 04:53 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.

Issued	Product	Office	Lasted
Feb 10, 9:30 PM CST	Tornado Watch	SPC	7 hr

The nearest sounding before it

Fort Worth, TX (KFWD), launched 00:00Z, 4.8 hours before the alert went out and 210 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 1515 J/kg
Mixed-layer CIN: 0 J/kg
Mixed-layer LCL: 763 m above ground
0-6 km bulk shear: 68 kt
0-1 km storm-relative helicity: 302 m²/s²
0-3 km storm-relative helicity: 287 m²/s²
Significant tornado parameter: 2.9
Supercell composite: 10.9

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 Fort Worth, TX wrote its last area forecast discussion before this severe thunderstorm warning went out at Feb 10, 10:37 PM CST, 13 minutes earlier.

Area forecast discussion, Feb 10, 10:37 PM CST, 13 minutes before

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Hazardous weather outlook, Feb 10, 6:04 PM CST, 4 hours 46 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE FORT WORTH TX
604 PM CST TUE FEB 10 2009

TXZ091>095-100>107-115>123-129>135-141>148-156>162-174-175-111100-
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-
604 PM CST TUE FEB 10 2009

THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTH TEXAS.

.DAY ONE...TONIGHT.
THERE IS A GOOD CHANCE FOR SEVERE THUNDERSTORMS ACROSS ALL OF
NORTH TEXAS AS A STRONG SQUALL MOVES THROUGH THE REGION. THE
SEVERE THUNDERSTORMS WILL HAVE THE POTENTIAL TO PRODUCE LARGE
HAIL...DAMAGING WINDS...AND ISOLATED TORNADOES.

THE SQUALL LINE WILL LIKELY REACH THE I-35 CORRIDOR BETWEEN 8
AND 9 PM...THEN EXIT THE FAR EASTERN COUNTIES BY 3 AM.

A WIND ADVISORY IS IN EFFECT TONIGHT FOR STRONG SOUTH WINDS AHEAD
OF THE SQUALL LINE..THEN FOR STRONG WEST WINDS BEHIND IT.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY.
A WIND ADVISORY WILL BE IN EFFECT THROUGH NOON WEDNESDAY FOR
STRONG WEST WINDS.

THERE IS A SLIGHT CHANCE OF THUNDERSTORMS NEXT MONDAY.

.SPOTTER INFORMATION STATEMENT...
SPOTTER ACTIVATION WILL LIKELY BE NEEDED.

In the hours before

Local storm report, Feb 10, 9:44 PM CST, 1 hour 6 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE FORT WORTH TX
944 PM CST TUE FEB 10 2009

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

0940 PM     TSTM WND DMG     BRUCEVILLE-EDDY         31.31N  97.25W
02/10/2009                   MCLENNAN           TX   BROADCAST MEDIA

            18 WHEEL TRACTOR TRAILER BLOWN OVER NEAR EDDY

Local storm report, Feb 10, 10:11 PM CST, 39 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE FORT WORTH TX
1011 PM CST TUE FEB 10 2009

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

1005 PM     TSTM WND GST     4 N MEXIA               31.74N  96.48W
02/10/2009  M65 MPH          LIMESTONE          TX   EMERGENCY MNGR

Local storm report, Feb 10, 10:13 PM CST, 37 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE FORT WORTH TX
1013 PM CST TUE FEB 10 2009

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

1005 PM     TSTM WND GST     4.5 N MEXIA             31.74N  96.48W
02/10/2009  E65 MPH          LIMESTONE          TX   EMERGENCY MNGR

            4.5 MILES NORTH OF MEXIA ON TX 171

Local storm report, Feb 10, 10:23 PM CST, 27 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE FORT WORTH TX
1023 PM CST TUE FEB 10 2009

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

0722 PM     HAIL             12 S BRIDGEPORT         33.03N  97.76W
02/10/2009  E1.75 INCH       WISE               TX   STORM CHASER

            12 SOUTH OF BRIDGEPORT

Local storm report, Feb 10, 10:24 PM CST, 26 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE FORT WORTH TX
1024 PM CST TUE FEB 10 2009

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

0722 PM     TSTM WND GST     12 S BRIDGEPORT         33.03N  97.76W
02/10/2009  M72 MPH          WISE               TX   TRAINED SPOTTER

            LARGE LIMBS DOWN

Special weather statement, Feb 10, 10:33 PM CST, 17 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Feb 10, 6:04 PM CST	Severe Thunderstorm Warning	FWD	Montague	41 min
Feb 10, 6:15 PM CST	Special Weather Statement	FWD	Eastland	30 min
Feb 10, 6:19 PM CST	Tornado Warning	FWD	Montague	26 min
Feb 10, 6:32 PM CST	Special Weather Statement	FWD	Jack	28 min
Feb 10, 6:36 PM CST	Severe Thunderstorm Warning	FWD	Jack, Montague, Wise	39 min
Feb 10, 6:38 PM CST	Severe Thunderstorm Warning	FWD	Jack, Young	22 min
Feb 10, 6:55 PM CST	Special Weather Statement	FWD	Eastland	35 min
Feb 10, 7:00 PM CST	Severe Thunderstorm Warning	FWD	Jack	30 min
Feb 10, 7:05 PM CST	Severe Thunderstorm Warning	FWD	Palo Pinto	55 min
Feb 10, 7:07 PM CST	Special Weather Statement	FWD	Stephens, Young	23 min
Feb 10, 7:08 PM CST	Severe Thunderstorm Warning	FWD	Comanche	24 min
Feb 10, 7:13 PM CST	Tornado Warning	FWD	Montague	47 min
Feb 10, 7:23 PM CST	Severe Thunderstorm Warning	FWD	Erath	67 min
Feb 10, 7:25 PM CST	Severe Thunderstorm Warning	FWD	Jack, Montague, Wise	20 min
Feb 10, 7:27 PM CST	Severe Thunderstorm Warning	FWD	Jack	18 min
Feb 10, 7:34 PM CST	Severe Thunderstorm Warning	FWD	Eastland, Stephens	26 min
Feb 10, 7:37 PM CST	Tornado Warning	FWD	Montague	23 min
Feb 10, 7:40 PM CST	Severe Thunderstorm Warning	FWD	Comanche, Hamilton, Mills	65 min
Feb 10, 7:41 PM CST	Severe Thunderstorm Warning	FWD	Parker	64 min
Feb 10, 7:44 PM CST	Severe Thunderstorm Warning	FWD	Wise	61 min
Feb 10, 7:47 PM CST	Severe Thunderstorm Warning	FWD	Jack, Montague, Wise	43 min
Feb 10, 7:53 PM CST	Severe Thunderstorm Warning	FWD	Cooke, Montague	52 min
Feb 10, 8:02 PM CST	Severe Thunderstorm Warning	FWD	Hood	58 min
Feb 10, 8:08 PM CST	Severe Thunderstorm Warning	FWD	Bosque, Coryell, Erath, Hamilton, Lampasas	67 min
Feb 10, 8:13 PM CST	Severe Thunderstorm Warning	FWD	Denton, Parker, Tarrant, Wise	62 min
Feb 10, 8:19 PM CST	Tornado Warning	FWD	Hamilton	26 min
Feb 10, 8:26 PM CST	Severe Thunderstorm Warning	FWD	Parker, Tarrant	34 min
Feb 10, 8:29 PM CST	Severe Thunderstorm Warning	FWD	Cooke	46 min
Feb 10, 8:37 PM CST	Severe Thunderstorm Warning	FWD	Johnson, Somervell	53 min
Feb 10, 8:40 PM CST	Severe Thunderstorm Warning	FWD	Bosque, Hill	47 min
Feb 10, 8:54 PM CST	Severe Thunderstorm Warning	FWD	Cooke, Grayson	51 min
Feb 10, 8:58 PM CST	Severe Thunderstorm Warning	FWD	Dallas, Tarrant	62 min
Feb 10, 9:01 PM CST	Severe Thunderstorm Warning	FWD	Bell, McLennan	59 min
Feb 10, 9:01 PM CST	Severe Thunderstorm Warning	FWD	Collin, Denton	59 min
Feb 10, 9:10 PM CST	Tornado Warning	FWD	Tarrant	20 min
Feb 10, 9:17 PM CST	Tornado Warning	FWD	Hill	28 min
Feb 10, 9:30 PM CST	Tornado Warning	FWD	Collin, Denton	16 min
Feb 10, 9:33 PM CST	Severe Thunderstorm Warning	FWD	Ellis, Hill, Navarro	57 min
Feb 10, 9:39 PM CST	Severe Thunderstorm Warning	FWD	Falls	66 min
Feb 10, 9:47 PM CST	Severe Thunderstorm Warning	FWD	Limestone	58 min
Feb 10, 9:51 PM CST	Severe Thunderstorm Warning	FWD	Milam	54 min
Feb 10, 9:55 PM CST	Severe Thunderstorm Warning	FWD	Collin, Dallas, Hunt, Kaufman, Rockwall	65 min
Feb 10, 10:03 PM CST	Tornado Warning	FWD	Collin	16 min
Feb 10, 10:06 PM CST	Tornado Warning	FWD	Freestone, Limestone	24 min
Feb 10, 10:18 PM CST	Severe Thunderstorm Warning	FWD	Anderson, Freestone, Henderson, Navarro	57 min
Feb 10, 10:28 PM CST	Tornado Warning	FWD	Anderson, Freestone	32 min
Feb 10, 10:33 PM CST	Special Weather Statement	FWD	Robertson	27 min
Feb 10, 10:40 PM CST	Severe Thunderstorm Warning	FWD	Delta, Hopkins, Hunt, Kaufman, Rains, Van Zandt	65 min
Feb 10, 10:52 PM CST	Severe Thunderstorm Warning	FWD	Anderson, Freestone, Henderson, Leon	53 min

Nearby

Severe Thunderstorm Warnings in Texas, 2009 Every severe thunderstorm warning in 2009

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.