Alert archive / Texas / Severe Thunderstorm Warnings in 2005

Severe Thunderstorm Warning 103, NWS Fort Worth, TX

April 25, 2005Anderson County, Henderson County, Texas

NWS Fort Worth, TX issued this severe thunderstorm warning at Apr 25, 2005, 6:28 PM CDT for Anderson County, Henderson County, Texas. It was in force for 64 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 25, 2005, 6:28 PM CDT (23:28 UTC)
Expired: Apr 25, 2005, 7:32 PM CDT
In force: 64 min
Issued by: NWS Fort Worth, TX
Area: Counties, with a storm outline in the text

Counties Anderson County, TX, Henderson County, TX

The radar

The Dallas/Ft Worth radar (KFWS), 158 km from the middle of the area, began a volume at 23:32 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, 11.5 hours before the alert went out and 171 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 1543 m above ground
0-6 km bulk shear: 72 kt
0-1 km storm-relative helicity: 296 m²/s²
0-3 km storm-relative helicity: 282 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 Apr 25, 6:24 PM CDT, 4 minutes earlier.

Area forecast discussion, Apr 25, 6:24 PM CDT, 4 minutes before

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Hazardous weather outlook, Apr 25, 1:55 PM CDT, 4 hours 33 minutes before

HAZARDOUS WEATHER OUTLOOK...CORRECTED
NATIONAL WEATHER SERVICE FORT WORTH TX
155 PM CDT MON APR 25 2005

TXZ091>095-100>107-115>123-129>135-141>148-156>162-174-175-260900-
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-
155 PM CDT MON APR 25 2005

THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTH TEXAS.

.DAY ONE...
SCATTERED THUNDERSTORMS...SOME SEVERE WITH VERY LARGE HAIL...
DAMAGING WINDS TO 70 MPH...AND POSSIBLY A FEW TORNADOES ...WILL
DEVELOP ALONG AN APPROACHING DRYLINE...OR 50 MILES EITHER SIDE OF A
BOWIE...BRIDGEPORT...MINERAL WELLS...STEPHENVILLE LINE BY 4PM OR
SHORTLY THEREAFTER. A FEW SUPERCELLS STORMS ARE EXPECTED...THROUGH
EARLY EVENING...BEFORE INCREASING IN COVERAGE AND FORMING A BROKEN
SQUALL LINE WITH EMBEDDED SUPERCELLS...BY 6 PM TOWARDS THE INTERSTATE
35 CORRIDOR...INCLUDING ALL OF THE DALLAS-FORT WORTH METROPLEX. THE
POTENTIAL FOR SEVERE WEATHER WILL PERSIST ACROSS EASTERN PORTIONS
OF NORTH TEXAS WELL INTO THE EVENING HOURS. THREATS WILL CONTINUE TO
BE VERY LARGE HAIL...DAMAGING WINDS TO 70 MPH...AND A FEW TORNADOES
...AS PERSISTENT...STRONG WIND SHEAR AND INSTABILITY REMAIN OVER THE
REGION...ALONG WITH A FEW SURFACE BOUNDARIES.

GULF MOISTURE WILL CONTINUE TO SURGE NORTHWARD INTO NORTH TEXAS THE
REMAINDER OF THE DAY AND THIS EVENING. FURTHERMORE...INCREASING LIFT
FROM AN UPPER LEVEL DISTURBANCE AND DRYLINE WILL INTERACT WITH THESE
FEATURES FOR THE DEVELOPMENT OF STRONG TO SEVERE THUNDERSTORMS LATE
THIS AFTERNOON AND EVENING. A FEW OUTFLOW BOUNDARIES PERSIST ACROSS
SOME AREAS FROM EARLIER STORMS...ALONG WITH A STATIONARY WARM
FRONTAL BOUNDARY. THESE BOUNDARIES MAY ENHANCE THE POTENTIAL FOR
TORNADOES WITH SEVERE STORMS THAT ARE ROTATING.

.DAYS TWO THROUGH SEVEN...
ANOTHER SYSTEM WILL BRING A CHANCE FOR THUNDERSTORMS ACROSS WESTERN
SECTIONS OF NORTH TEXAS FRIDAY NIGHT...THEN OVERSPREADING THE
REMAINDER OF THE REGION SATURDAY INTO SATURDAY NIGHT.

.SPOTTER INFORMATION STATEMENT...
SPOTTER ACTIVATION WILL LIKELY BE NEEDED WITH DEVELOPING STORMS OVER
WESTERN SECTIONS OF NORTH TEXAS BY 3 OR 4 PM CDT....THEN FURTHER EAST
ACROSS THE REMAINDER OF NORTH TEXAS BY 6 PM CDT AND AFTER.

In the hours before

Local storm report, Apr 25, 5:35 PM CDT, 53 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE FORT WORTH TX
535 PM CDT MON APR 25 2005

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

0535 PM     HAIL            ENNIS                    32.34N  96.63W
04/25/2005  1.00 INCH       ELLIS               TX   TRAINED SPOTTER

Local storm report, Apr 25, 5:37 PM CDT, 51 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE FORT WORTH TX
537 PM CDT MON APR 25 2005

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

0536 PM     HAIL            ENNIS                    32.34N  96.63W
04/25/2005  1.00 INCH       ELLIS               TX   TRAINED SPOTTER

Local storm report, Apr 25, 5:38 PM CDT, 50 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE FORT WORTH TX
538 PM CDT MON APR 25 2005

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

0537 PM     HAIL            TOM BEAN                 33.52N  96.48W
04/25/2005  0.75 INCH       GRAYSON             TX   MEDIA

Local storm report, Apr 25, 5:49 PM CDT, 39 minutes before

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Local storm report, Apr 25, 5:51 PM CDT, 37 minutes before

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Local storm report, Apr 25, 6:11 PM CDT, 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
Apr 25, 2:58 PM CDT	Severe Thunderstorm Warning	FWD	Hood	62 min
Apr 25, 3:01 PM CDT	Severe Thunderstorm Warning	FWD	Parker	44 min
Apr 25, 3:28 PM CDT	Severe Thunderstorm Warning	FWD	Tarrant	62 min
Apr 25, 3:33 PM CDT	Severe Thunderstorm Warning	FWD	Johnson	57 min
Apr 25, 4:03 PM CDT	Flash Flood Warning	FWD	Johnson, Tarrant	3 hr
Apr 25, 4:08 PM CDT	Tornado Warning	FWD	Tarrant	37 min
Apr 25, 4:16 PM CDT	Tornado Warning	FWD	Johnson	44 min
Apr 25, 4:26 PM CDT	Tornado Warning	FWD	Dallas, Ellis	34 min
Apr 25, 4:40 PM CDT	Severe Thunderstorm Warning	FWD	Bosque	65 min
Apr 25, 4:54 PM CDT	Severe Thunderstorm Warning	FWD	Hill	67 min
Apr 25, 4:56 PM CDT	Tornado Warning	FWD	Ellis	49 min
Apr 25, 5:03 PM CDT	Severe Thunderstorm Warning	FWD	Dallas	30 min
Apr 25, 5:17 PM CDT	Severe Thunderstorm Warning	FWD	Grayson	45 min
Apr 25, 5:28 PM CDT	Severe Thunderstorm Warning	FWD	Kaufman	65 min
Apr 25, 5:33 PM CDT	Tornado Warning	FWD	Navarro	42 min
Apr 25, 5:44 PM CDT	Severe Thunderstorm Warning	FWD	Ellis	16 min
Apr 25, 5:45 PM CDT	Severe Thunderstorm Warning	FWD	Fannin	55 min
Apr 25, 6:10 PM CDT	Severe Thunderstorm Warning	FWD	Navarro	54 min

Nearby

Severe Thunderstorm Warnings in Texas, 2005 Every severe thunderstorm warning in 2005

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.