Alert archive / Texas / Severe Thunderstorm Warnings in 2006

Severe Thunderstorm Warning 330, NWS Fort Worth, TX

August 27, 2006Tarrant County, Texas

NWS Fort Worth, TX issued this severe thunderstorm warning at Aug 27, 2006, 3:43 PM CDT for Tarrant County, Texas. It was in force for 47 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: Aug 27, 2006, 3:43 PM CDT (20:43 UTC)
Expired: Aug 27, 2006, 4:30 PM CDT
In force: 47 min
Issued by: NWS Fort Worth, TX
Area: Counties, with a storm outline in the text

County Tarrant County, TX

The radar

The Dallas/Ft Worth radar (KFWS), 22 km from the middle of the area, began a volume at 20:47 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, 8.7 hours before the alert went out and 7 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: 877 J/kg
Mixed-layer CIN: -122 J/kg
Mixed-layer LCL: 1144 m above ground
0-6 km bulk shear: 9 kt
0-1 km storm-relative helicity: 9 m²/s²
0-3 km storm-relative helicity: 35 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 Aug 27, 12:24 PM CDT, 3 hours 19 minutes earlier.

Area forecast discussion, Aug 27, 12:24 PM CDT, 3 hours 19 minutes before

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Hazardous weather outlook, Aug 27, 5:06 AM CDT, 10 hours 37 minutes before

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In the hours before

Special weather statement, Aug 27, 12:31 PM CDT, 3 hours 12 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE FORT WORTH TX
1231 PM CDT SUN AUG 27 2006

TXZ130-271800-

ERATH-
1231 PM CDT SUN AUG 27 2006

...SIGNIFICANT WEATHER ADVISORY FOR...
  NORTHWESTERN ERATH COUNTY

AT 1231 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
STRONG THUNDERSTORM 14 MILES WEST OF STEPHENVILLE...MOVING NORTHEAST
AT 10 MPH.

VERY HEAVY RAIN AND WIND GUSTS TO 40 MPH ARE LIKELY WITH THIS STORM.

LAT...LON 3224 9852 3215 9846 3240 9816 3251 9836

Special weather statement, Aug 27, 12:42 PM CDT, 3 hours 1 minute before

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Special weather statement, Aug 27, 1:11 PM CDT, 2 hours 32 minutes before

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Special weather statement, Aug 27, 1:52 PM CDT, 1 hour 51 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE FORT WORTH TX
152 PM CDT SUN AUG 27 2006

TXZ129-130-141-271915-

COMANCHE-EASTLAND-ERATH-
152 PM CDT SUN AUG 27 2006

...SIGNIFICANT WEATHER ADVISORY FOR...
  NORTH CENTRAL COMANCHE COUNTY
  EASTERN EASTLAND COUNTY
  NORTHWESTERN ERATH COUNTY

AT 152 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
CLUSTER OF STRONG THUNDERSTORMS FROM 7 MILES EAST OF RANGER...TO
GORMAN. MOVEMENT WAS NORTHEAST AT 20 MPH.

CITIES IN THE PATH OF THIS STORM INCLUDE DE LEON...GORMAN AND RANGER.

VERY HEAVY RAIN AND WIND GUSTS TO 40 MPH ARE LIKELY WITH THIS STORM.
MOVE INSIDE A STRONG BUILDING IF STORMS APPROACH YOUR AREA. THE
HEAVY RAIN MAY ALSO LEAD TO RUNOFF AND LOCALIZED PONDING OF WATER.

LAT...LON 3249 9875 3205 9867 3220 9827 3253 9842

Special weather statement, Aug 27, 3:21 PM CDT, 22 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE FORT WORTH TX
321 PM CDT SUN AUG 27 2006

TXZ119-134-272045-

DALLAS-ELLIS-
321 PM CDT SUN AUG 27 2006

...SIGNIFICANT WEATHER ADVISORY FOR...
  SOUTHERN DALLAS COUNTY
  NORTHERN ELLIS COUNTY

AT 318 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
STRONG THUNDERSTORM NEAR LANCASTER WITH STRONG OUTFLOW WINDS
SPREADING EASTWARD ACROSS SOUTHERN DALLAS AND NORTHERN ELLIS
COUNTIES.

CITIES IN THE PATH OF THIS STORM INCLUDE BALCH SPRINGS...CEDAR
HILL...COCKRELL HILL...DALLAS...DESOTO...DUNCANVILLE...FERRIS...GLENN
HEIGHTS...HUTCHINS...LANCASTER...MESQUITE...MIDLOTHIAN...OAK LEAF...
OVILLA...RED OAK...SEAGOVILLE...SUNNYVALE...WILMER AND CEDAR HILL
STATE PARK.

VERY HEAVY RAIN AND WIND GUSTS TO 50 MPH ARE LIKELY WITH THIS STORM
AS IT MOVES ACROSS THE COUNTIES THROUGH 400 PM .

MOVE INDOORS UNTIL THIS STORM PASSES. 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.

LAT...LON 3275 9701 3243 9701 3244 9654 3282 9657

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 27, 12:31 PM CDT	Special Weather Statement	FWD	Erath	29 min
Aug 27, 12:42 PM CDT	Special Weather Statement	FWD	Comanche	33 min
Aug 27, 1:11 PM CDT	Special Weather Statement	FWD	Eastland	34 min
Aug 27, 1:52 PM CDT	Special Weather Statement	FWD	Erath	23 min
Aug 27, 3:21 PM CDT	Special Weather Statement	FWD	Dallas	24 min
Aug 27, 4:07 PM CDT	Special Weather Statement	FWD	Collin, Kaufman, Rockwall	23 min
Aug 27, 4:13 PM CDT	Special Weather Statement	FWD	Lamar	32 min
Aug 27, 4:20 PM CDT	Severe Thunderstorm Warning	FWD	Collin	55 min
Aug 27, 4:27 PM CDT	Special Weather Statement	FWD	Fannin	33 min
Aug 27, 4:38 PM CDT	Special Weather Statement	FWD	Denton	37 min
Aug 27, 4:43 PM CDT	Special Weather Statement	FWD	Grayson	32 min
Aug 27, 5:01 PM CDT	Special Weather Statement	FWD	Lamar	29 min
Aug 27, 5:13 PM CDT	Severe Thunderstorm Warning	FWD	Fannin, Lamar	32 min
Aug 27, 5:23 PM CDT	Special Weather Statement	FWD	Denton	37 min
Aug 27, 5:31 PM CDT	Special Weather Statement	FWD	Hunt	29 min
Aug 27, 5:32 PM CDT	Severe Thunderstorm Warning	FWD	Cooke, Denton, Grayson	58 min

Nearby

Severe Thunderstorm Warnings in Texas, 2006 Every 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.