Alert archive / Texas / Severe Thunderstorm Warnings in 2006

Severe Thunderstorm Warning 96, NWS Fort Worth, TX

April 28, 2006Comanche County, Texas

NWS Fort Worth, TX issued this severe thunderstorm warning at Apr 28, 2006, 12:43 PM CDT for Comanche 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
Apr 28, 2006, 12:43 PM CDT (17:43 UTC)
Expired
Apr 28, 2006, 1:30 PM CDT
In force
47 min
Issued by
NWS Fort Worth, TX
Area
Counties, with a storm outline in the text

County Comanche County, TX

The radar

The Dyess AFB radar (KDYX), 93 km from the middle of the area, began a volume at 17:45 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

Midland Regional, TX (KMAF), launched 12:00Z, 5.7 hours before the alert went out and 344 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, Midland Regional, TX at 12:00Z on 2006-04-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1582 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, Midland Regional, TX at 12:00Z on 2006-04-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 117 square meters per square second.1939587897117136Sfc1 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
1582 J/kg
Mixed-layer CIN
0 J/kg
Mixed-layer LCL
625 m above ground
0-6 km bulk shear
42 kt
0-1 km storm-relative helicity
117 m²/s²
0-3 km storm-relative helicity
138 m²/s²
Significant tornado parameter
0.8
Supercell composite
4.3

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 Apr 28, 12:13 PM CDT, 30 minutes earlier.

Area forecast discussion, Apr 28, 12:13 PM CDT, 30 minutes before
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Hazardous weather outlook, Apr 28, 9:33 AM CDT, 3 hours 10 minutes before
HAZARDOUS WEATHER OUTLOOK FOR NORTH TEXAS...UPDATED
NATIONAL WEATHER SERVICE FORT WORTH TX
933 AM CDT FRI APR 28 2006

TXZ091>095-100>107-115>123-129>135-141>148-156>162-174-175-282200-
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-
933 AM CDT FRI APR 28 2006

THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTH TEXAS.

.DAY ONE...TODAY AND TONIGHT
THERE IS A MODERATE RISK OF SEVERE THUNDERSTORMS THROUGH TONIGHT
WEST OF A GRAHAM ...STEPHENVILLE...LAMPASAS LINE. THERE IS ALSO A
SLIGHT RISK OF SEVERE THUNDERSTORMS OVER THE REMAINDER OF NORTH
TEXAS.  THE MAIN THREAT WILL BE LARGE HAIL...AND DAMAGING
WINDS...ALONG WITH THE POSSIBILITY OF A FEW TORNADOES...MAINLY IN
WESTERN PORTIONS THIS AFTERNOON AND EVENING.

WIDELY SCATTERED THUNDERSTORMS ACROSS NORTH TEXAS THIS MORNING WILL
INCREASE IN COVERAGE THIS AFTERNOON AS TEMPERATURES WARM AND
ABUNDANT MOISTURE IS ADVECTED INTO THE REGION. IN ADDITION...BY LATE
THIS AFTERNOON MID LEVEL COOLING AND INCREASING UPPER LEVEL
INSTABILITIES WILL MOVE EASTWARD ACROSS TEXAS...ALLOWING FOR RAPID
THUNDERSTORM DEVELOPMENT ALONG THE DRY LINE IN WEST TEXAS. THIS AREA
OF STORMS WILL MOVE EAST INTO NORTH TEXAS DURING THE EVENING HOURS.
AS THE STORM COMPLEX MOVES ACROSS NORTH TEXAS OVERNIGHT...LOCALLY
HEAVY RAINFALL IS POSSIBLE...WITH ISOLATED AMOUNTS IN EXCESS OF TWO
INCHES.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY
THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS SATURDAY MORNING IN
EASTERN PORTIONS AS THE STORM COMPLEX EXITS THE REGION.
THUNDERSTORMS CHANCES WILL QUICKLY END FROM WEST TO EAST SATURDAY
AFTERNOON AND EARLY EVENING.

.SPOTTER INFORMATION STATEMENT...
SPOTTER ACTIVATION WILL LIKELY BE NEEDED OVER FAR WESTERN SECTIONS
OF NORTH TEXAS BY EARLY EVENING...WITH ACTIVATION LIKELY OVER THE
REMAINDER OF NORTH TEXAS DURING THE OVERNIGHT HOURS.

In the hours before

Special weather statement, Apr 28, 11:08 AM CDT, 1 hour 35 minutes before
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Special weather statement, Apr 28, 11:37 AM CDT, 1 hour 6 minutes before
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Special weather statement, Apr 28, 11:52 AM CDT, 51 minutes before
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Special weather statement, Apr 28, 11:57 AM CDT, 46 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE FORT WORTH TX
1157 AM CDT FRI APR 28 2006

TXZ130-281730-
ERATH-
1157 AM CDT FRI APR 28 2006

...SIGNIFICANT WEATHER UPDATE FOR ERATH COUNTY...

AT 1157 AM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
STRONG THUNDERSTORM 12 MILES NORTHWEST OF STEPHENVILLE...MOVING
NORTHEAST AT 40 MPH.

A SECOND DEVELOPING THUNDERSTORM WAS LOCATED NEAR DUBLIN. THIS STORM
WAS ALSO MOVING NORTHEAST AT 40 MPH.

CITIES IN THE PATH OF THESE STORMS INCLUDE BLUFF DALE...DUBLIN...
HUCKABAY...LINGLEVILLE...MORGAN MILL AND STEPHENVILLE.

PEA-SIZED HAIL AND WIND GUSTS TO 40 MPH CAN BE EXPECTED FROM THESE
STORMS.
Special weather statement, Apr 28, 12:22 PM CDT, 21 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE FORT WORTH TX
1222 PM CDT FRI APR 28 2006

TXZ115-281745-
STEPHENS-
1222 PM CDT FRI APR 28 2006

...SIGNIFICANT WEATHER UPDATE FOR STEPHENS COUNTY...

AT 1222 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
STRONG THUNDERSTORM 11 MILES SOUTH OF BRECKENRIDGE...MOVING NORTHEAST
AT 40 MPH.

CITIES IN THE PATH OF THIS STORM INCLUDE BRECKENRIDGE...GUNSIGHT...
HARPERSVILLE AND IVAN.

PEA-SIZED HAIL AND WIND GUSTS TO 40 MPH CAN BE EXPECTED FROM THIS
STORM.

IF THIS STORM INTENSIFIES...A SEVERE WEATHER WARNING MAY BE NEEDED.
Special weather statement, Apr 28, 12:33 PM CDT, 10 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE FORT WORTH TX
1233 PM CDT FRI APR 28 2006

TXZ117-131-281815-
HOOD-PARKER-
1233 PM CDT FRI APR 28 2006

...SIGNIFICANT WEATHER UPDATE FOR HOOD AND PARKER COUNTIES...

AT 1233 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
STRONG THUNDERSTORM 13 MILES WEST OF GRANBURY...MOVING NORTHEAST AT
40 MPH.

CITIES IN THE PATH OF THIS STORM INCLUDE ANNETTA...BRIAR...
GRANBURY...HUDSON OAKS...OAK TRAIL SHORES...RENO...WEATHERFORD AND
WILLOW PARK.

PEA-SIZED HAIL AND WIND GUSTS TO 40 MPH CAN BE EXPECTED FROM THIS
STORM.

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

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 28, 1:31 PM CDTSevere Thunderstorm WarningFWDComanche59 min
Apr 28, 1:38 PM CDTSevere Thunderstorm WarningFWDPalo Pinto, Parker59 min
Apr 28, 2:15 PM CDTSevere Thunderstorm WarningFWDDenton, Tarrant, Wise41 min
Apr 28, 2:24 PM CDTSevere Thunderstorm WarningFWDComanche24 min
Apr 28, 2:36 PM CDTSevere Thunderstorm WarningFWDErath43 min
Apr 28, 2:41 PM CDTSevere Thunderstorm WarningFWDHamilton28 min
Apr 28, 3:02 PM CDTSevere Thunderstorm WarningFWDBosque37 min
Apr 28, 3:06 PM CDTSevere Thunderstorm WarningFWDSomervell32 min
Apr 28, 3:25 PM CDTSevere Thunderstorm WarningFWDJohnson40 min
Apr 28, 6:38 PM CDTFlash Flood WarningFWDMontague, Wise3 hr

Nearby

Severe Thunderstorm Warnings in Texas, 2006Every 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.