Alert archive / Texas / Severe Thunderstorm Warnings in 2002

Severe Thunderstorm Warning 107, NWS Fort Worth, TX

April 29, 2002Young County, Texas

NWS Fort Worth, TX issued this severe thunderstorm warning at Apr 29, 2002, 11:16 PM CDT for Young County, Texas. It was in force for 59 min. 2 reports came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued: Apr 29, 2002, 11:16 PM CDT (04:16 UTC)
Expired: Apr 30, 2002, 12:15 AM CDT
In force: 59 min
Issued by: NWS Fort Worth, TX
Area: Counties, with a storm outline in the text

County Young County, TX

What was reported inside it

Time	Report	Where	Remark
Apr 29, 11:41 PM CDT	Hail 0.75	Graham, TX
Apr 29, 11:55 PM CDT	Hail 1.75	Graham, TX

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.

The nearest sounding before it

Fort Worth, TX (KFWD), launched 00:00Z, 4.3 hours before the alert went out and 136 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: 4268 J/kg
Mixed-layer CIN: -4 J/kg
Mixed-layer LCL: 1291 m above ground
0-6 km bulk shear: 57 kt
0-1 km storm-relative helicity: 60 m²/s²
0-3 km storm-relative helicity: 152 m²/s²
Significant tornado parameter: 1.6
Supercell composite: 10.0

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 29, 9:50 PM CDT, 1 hour 26 minutes earlier.

Area forecast discussion, Apr 29, 9:50 PM CDT, 1 hour 26 minutes before

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In the hours before

Local storm report, Apr 29, 7:14 PM CDT, 4 hours 2 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE FORT WORTH TX
614 PM CST MON APR 29 2002

TIME(CST)  .....CITY LOCATION.....STATE   ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0656 PM    GUNSIGHT                  TX   1.75 INCH HAIL
04/28/02   STEPHENS                       GOFBALL HAIL REPORTED 3
                                          NW OF GUNSIGHT ON
                                          FM1032.  REPORTED BY
                                          LAW ENFORCEMENT OFFICIAL.

0700 PM    GUNSIGHT                  TX   1.75 INCH HAIL
04/28/02   STEPHENS                       GOLFBALL HAIL REPORTED
                                          ON FM 207. . REPORTED
                                          BY LAW ENFORCEMENT
                                          OFFICIAL.

Special weather statement, Apr 29, 9:52 PM CDT, 1 hour 24 minutes before

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Local storm report, Apr 29, 10:01 PM CDT, 1 hour 15 minutes before

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Local storm report, Apr 29, 10:07 PM CDT, 1 hour 9 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 29, 7:21 PM CDT	Severe Thunderstorm Warning	FWD	Wise	54 min
Apr 29, 7:45 PM CDT	Severe Thunderstorm Warning	FWD	Stephens	45 min
Apr 29, 7:50 PM CDT	Severe Thunderstorm Warning	FWD	Young	55 min
Apr 29, 7:55 PM CDT	Severe Thunderstorm Warning	FWD	Parker	50 min
Apr 29, 8:25 PM CDT	Severe Thunderstorm Warning	FWD	Jack	65 min
Apr 29, 8:39 PM CDT	Severe Thunderstorm Warning	FWD	Tarrant	66 min
Apr 29, 8:41 PM CDT	Severe Thunderstorm Warning	FWD	Tarrant	64 min
Apr 29, 8:44 PM CDT	Severe Thunderstorm Warning	FWD	Cooke	61 min

Nearby

Severe Thunderstorm Warnings in Texas, 2002 Every severe thunderstorm warning in 2002

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.