Alert archive / Texas / Severe Thunderstorm Warnings in 2007

Severe Thunderstorm Warning 213, NWS Fort Worth, TX

May 29, 2007Stephens County, Texas

NWS Fort Worth, TX issued this severe thunderstorm warning at May 29, 2007, 9:57 AM CDT for Stephens County, Texas. It was in force for 63 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: May 29, 2007, 9:57 AM CDT (14:57 UTC)
Expired: May 29, 2007, 11:00 AM CDT
In force: 63 min
Issued by: NWS Fort Worth, TX
Area: Counties, with a storm outline in the text

County Stephens County, TX

The radar

The Dyess AFB radar (KDYX), 45 km from the middle of the area, began a volume at 15:00 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 nearest sounding before it

Fort Worth, TX (KFWD), launched 12:00Z, 3.0 hours before the alert went out and 145 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: 148 J/kg
Mixed-layer CIN: -34 J/kg
Mixed-layer LCL: 676 m above ground
0-6 km bulk shear: 18 kt
0-1 km storm-relative helicity: 42 m²/s²
0-3 km storm-relative helicity: 43 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

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 May 29, 5:49 AM CDT, 4 hours 8 minutes earlier.

Area forecast discussion, May 29, 5:49 AM CDT, 4 hours 8 minutes before

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Hazardous weather outlook, May 29, 4:17 AM CDT, 5 hours 40 minutes before

HAZARDOUS WEATHER OUTLOOK FOR NORTH TEXAS
NATIONAL WEATHER SERVICE FORT WORTH TX
417 AM CDT TUE MAY 29 2007

TXZ091>095-100>107-115>123-129>135-141>148-156>162-174-175-301000-
ANDERSON-BELL-BOSQUE-COLLIN-COMANCHE-COOKE-CORYELL-DALLAS-DELTA-
DENTON-EASTLAND-ELLIS-ERATH-FALLS-FANNIN-FREESTONE-GRAYSON-HAMILTON-
HENDERSON-HILL-HOOD-HOPKINS-HUNT-JACK-JOHNSON-KAUFMAN-LAMAR-LAMPASAS-
LEON-LIMESTONE-MCLENNAN-MILAM-MILLS-MONTAGUE-NAVARRO-PALO PINTO-
PARKER-RAINS-ROBERTSON-ROCKWALL-SOMERVELL-STEPHENS-TARRANT-VAN ZANDT-
WISE-YOUNG-
417 AM CDT TUE MAY 29 2007

THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTH TEXAS.

.DAY ONE...THROUGH TONIGHT
THERE IS A CHANCE OF THUNDERSTORMS ACROSS ALL OF NORTH TEXAS TODAY
THROUGH TONIGHT. BRIEF HEAVY RAINFALL COULD RESULT IN LOCALIZED
FLOODING...ESPECIALLY EAST OF THE INTERSTATE 35 CORRIDOR.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH MONDAY
ISOLATED TO SCATTERED THUNDERSTORMS WITH THE POTENTIAL FOR HEAVY RAIN
WILL CONTINUE WEDNESDAY AND THURSDAY. THUNDERSTORM CHANCES
WILL DIMINISH THURSDAY NIGHT WITH VERY LITTLE EXPECTED FRIDAY.
THUNDERSTORMS RETURN TO THE RED RIVER VALLEY SATURDAY...THEN SPREAD
OVER THE REST OF NORTH TEXAS SUNDAY THROUGH EARLY MONDAY.

DUE TO THE EXCESSIVE RAINFALL OF THE PAST SEVERAL DAYS...FLASH
FLOODING WILL BE A MAIN CONCERN EACH DAY. HAIL AND DAMAGING WIND MAY
BE CONCERN THIS WEEKEND AND EARLY MONDAY.

.SPOTTER INFORMATION STATEMENT...
SPOTTER ACTIVATION MAY BE NEEDED FOR LOCALIZED FLASH FLOODING TODAY.

In the hours before

Special weather statement, May 29, 8:32 AM CDT, 1 hour 25 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE FORT WORTH TX
832 AM CDT TUE MAY 29 2007

TXZ129-291415-
EASTLAND TX-
832 AM CDT TUE MAY 29 2007

...SIGNIFICANT WEATHER ADVISORY FOR...
  CENTRAL AND EASTERN EASTLAND COUNTY

AT 832 AM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
STRONG THUNDERSTORM 4 MILES SOUTHWEST OF EASTLAND...MOVING EAST AT 20
MPH.

CITIES IN THE PATH OF THIS STORM INCLUDE CARBON...EASTLAND AND
RANGER.

FREQUENT CLOUD TO GROUND LIGHTNING...VERY HEAVY RAINFALL...PEA-SIZED
HAIL...AND GUSTY WINDS CAN BE EXPECTED FROM THIS STORM.

THE HEAVY RAINFALL MAY CAUSE FLOODING OF INTERSECTIONS AND LOW LYING
AREAS. STAY CLEAR OF AREAS WHERE FLOODING IS OCCURRING.

LAT...LON 3249 9898 3223 9898 3228 9855 3251 9858

Local storm report, May 29, 9:31 AM CDT, 26 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE FORT WORTH TX
931 AM CDT TUE MAY 29 2007

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

1000 AM     FLASH FLOOD      THORNDALE               30.61N  97.20W
05/28/2007                   MILAM              TX   LAW ENFORCEMENT

            THE FOLLOWING ROADS WERE CLOSED DUE TO FLOODING: FM 1915
            AT BIG ELM CR, FM 443 AT TURKEY CR NORTH OF THORNDALE, FM
            407 AT CLAYS CR.

Local storm report, May 29, 9:35 AM CDT, 22 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE FORT WORTH TX
935 AM CDT TUE MAY 29 2007

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

0600 PM     FLASH FLOOD      CAMERON                 30.86N  96.98W
05/28/2007                   MILAM              TX   LAW ENFORCEMENT

            THE FOLLOWING ROADS WERE CLOSED DUE TO FLOODING: FM 487
            AT SAN GABRIEL CR, FM 486 AND FM 1915 AT LITTLE RIVER, FM
            908 AT BRUSHY CR.

Local storm report, May 29, 9:42 AM CDT, 15 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE FORT WORTH TX
942 AM CDT TUE MAY 29 2007

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

1030 AM     FLASH FLOOD      MCGREGOR                31.45N  97.38W
05/28/2007                   MCLENNAN           TX   EMERGENCY MNGR

            TWO ROADS CLOSED DUE TO FLOODING: OLD MEXIA RD AND HOG
            CREEK RD.

The office that day

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

Issued	Product	Office	Counties	Lasted
May 29, 8:32 AM CDT	Special Weather Statement	FWD	Eastland	43 min
May 29, 10:53 AM CDT	Special Weather Statement	FWD	Palo Pinto	37 min
May 29, 10:59 AM CDT	Severe Thunderstorm Warning	FWD	Palo Pinto, Stephens	61 min
May 29, 11:12 AM CDT	Flash Flood Warning	FWD	Palo Pinto, Stephens	3 hr
May 29, 11:14 AM CDT	Severe Thunderstorm Warning	FWD	Eastland	61 min
May 29, 11:43 AM CDT	Special Weather Statement	FWD	Erath	32 min
May 29, 1:35 PM CDT	Special Weather Statement	FWD	Johnson	25 min
May 29, 1:40 PM CDT	Severe Thunderstorm Warning	FWD	Johnson	38 min
May 29, 2:02 PM CDT	Special Weather Statement	FWD	Ellis	28 min
May 29, 2:21 PM CDT	Special Weather Statement	FWD	Bosque, Hill	24 min
May 29, 2:39 PM CDT	Special Weather Statement	FWD	Ellis	36 min
May 29, 2:45 PM CDT	Special Weather Statement	FWD	McLennan, Navarro	30 min
May 29, 3:19 PM CDT	Special Weather Statement	FWD	Freestone, Limestone, McLennan, Navarro	56 min
May 29, 3:42 PM CDT	Special Weather Statement	FWD	Freestone, Limestone, McLennan, Navarro	33 min
May 29, 4:11 PM CDT	Special Weather Statement	FWD	Anderson, Freestone, Henderson, Limestone	64 min
May 29, 5:18 PM CDT	Special Weather Statement	FWD	Anderson	42 min
May 29, 5:26 PM CDT	Flash Flood Warning	FWD	Hunt, Van Zandt	3 hr
May 29, 5:48 PM CDT	Special Weather Statement	FWD	Robertson	27 min

Nearby

Severe Thunderstorm Warnings in Texas, 2007 Every severe thunderstorm warning in 2007

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.