Alert archive / Texas / Severe Thunderstorm Warnings in 2003

Severe Thunderstorm Warning 122, NWS Fort Worth, TX

May 3, 2003Stephens County, Texas

NWS Fort Worth, TX issued this severe thunderstorm warning at May 3, 2003, 3:52 AM CDT for Stephens County, Texas. It was in force for 38 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 3, 2003, 3:52 AM CDT (08:52 UTC)
Expired: May 3, 2003, 4:30 AM CDT
In force: 38 min
Issued by: NWS Fort Worth, TX
Area: Counties, with a storm outline in the text

County Stephens County, TX

The nearest sounding before it

Fort Worth, TX (KFWD), launched 00:00Z, 8.9 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: 2747 J/kg
Mixed-layer CIN: -4 J/kg
Mixed-layer LCL: 846 m above ground
0-6 km bulk shear: 61 kt
0-1 km storm-relative helicity: 71 m²/s²
0-3 km storm-relative helicity: 168 m²/s²
Significant tornado parameter: 3.2
Supercell composite: 12.6

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 2, 10:10 PM CDT, 5 hours 42 minutes earlier.

Area forecast discussion, May 2, 10:10 PM CDT, 5 hours 42 minutes before

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Hazardous weather outlook, May 2, 4:02 PM CDT, 11 hours 50 minutes before

TXZ091>095-100>107-115>123-129>135-141>148-156>162-174-175-030930-

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE FORT WORTH TX
402 PM CDT FRI MAY 2 2003

THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTH TEXAS.

.DAY ONE...
THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS TONIGHT ACROSS NORTH
TEXAS...ESPECIALLY LATE THIS AFTERNOON AND EVENING SOUTH OF
INTERSTATE 20. HAIL TO BASEBALL SIZE...DAMAGING WINDS TO 80
MPH...AND LOCALLY HEAVY RAINFALL WILL BE THE MAIN THREATS.
HOWEVER...WITH STRONG INSTABILITY A FEW BRIEF TORNADOES WILL BE
POSSIBLE THROUGH EARLY EVENING...ESPECIALLY OVER SOUTHWEST PORTIONS
OF NORTH TEXAS. THE GREATEST THREAT OF LOCALIZED FLASH FLOODING WILL
BE NEAR A STATIONARY FRONT...WHICH WAS NEAR A
PARIS...ROCKWALL...CLEBURNE...EASTLAND LINE THIS AFTERNOON.

THUNDERSTORMS MAY EVOLVE INTO A LARGE CONVECTIVE SYSTEM THIS
EVENING...FOR A CONTINUED HAIL AND WIND THREAT FOR SOUTHERN PORTIONS
OF NORTH TEXAS THROUGH MIDNIGHT.

.DAYS TWO THROUGH SEVEN...
THERE IS A SLIGHT CHANCE OF THUNDERSTORMS SUNDAY THROUGH
WEDNESDAY...MAINLY EAST OF INTERSTATE 35.

.SPOTTER CALL TO ACTION STATEMENT...
WIDESPREAD SPOTTER ACTIVATION WILL BE LIKELY THROUGH
MIDNIGHT...ESPECIALLY WELL SOUTH OF INTERSTATE 20.

30/SS

In the hours before

Local storm report, May 2, 10:27 PM CDT, 5 hours 25 minutes before

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Local storm report, May 2, 10:29 PM CDT, 5 hours 23 minutes before

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Local storm report, May 2, 10:31 PM CDT, 5 hours 21 minutes before

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Local storm report, May 2, 10:32 PM CDT, 5 hours 20 minutes before

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Local storm report, May 2, 10:34 PM CDT, 5 hours 18 minutes before

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Local storm report, May 3, 12:00 AM CDT, 3 hours 52 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
May 2, 8:36 PM CDT	Severe Thunderstorm Warning	FWD	Johnson	54 min
May 2, 8:40 PM CDT	Severe Thunderstorm Warning	FWD	Parker	65 min
May 2, 9:01 PM CDT	Severe Thunderstorm Warning	FWD	Tarrant	59 min
May 2, 9:28 PM CDT	Severe Thunderstorm Warning	FWD	Dallas	62 min
May 2, 9:37 PM CDT	Severe Thunderstorm Warning	FWD	Ellis	68 min

Nearby

Severe Thunderstorm Warnings in Texas, 2003 Every severe thunderstorm warning in 2003

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.