Alert archive / Texas / Severe Thunderstorm Warnings in 2003

Severe Thunderstorm Warning 144, NWS Fort Worth, TX

May 6, 2003Denton County, Texas

NWS Fort Worth, TX issued this severe thunderstorm warning at May 6, 2003, 9:53 PM CDT for Denton County, Texas. It was in force for 37 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 6, 2003, 9:53 PM CDT (02:53 UTC)
Expired: May 6, 2003, 10:30 PM CDT
In force: 37 min
Issued by: NWS Fort Worth, TX
Area: Counties, with a storm outline in the text

County Denton County, TX

The radar

The Dallas/Ft Worth radar (KFWS), 72 km from the middle of the area, began a volume at 02:52 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
May 6, 5:15 PM CDT	Severe Thunderstorm Watch	SPC	5 hr

The nearest sounding before it

Fort Worth, TX (KFWD), launched 00:00Z, 2.9 hours before the alert went out and 45 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: 2942 J/kg
Mixed-layer CIN: -38 J/kg
Mixed-layer LCL: 1239 m above ground
0-6 km bulk shear: 58 kt
0-1 km storm-relative helicity: 31 m²/s²
0-3 km storm-relative helicity: 108 m²/s²
Significant tornado parameter: 0.5
Supercell composite: 3.4

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 6, 9:25 PM CDT, 28 minutes earlier.

Area forecast discussion, May 6, 9:25 PM CDT, 28 minutes before

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Hazardous weather outlook, May 6, 3:31 PM CDT, 6 hours 22 minutes before

TXZ091>095-100>107-115>123-129>135-141>148-156>162-174-175-071100-

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE FORT WORTH TX
331 PM CDT TUE MAY 6 2003

THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTH TEXAS.

.DAY ONE...

THERE IS A SLIGHT CHANCE OF SEVERE WEATHER OVER NORTH TEXAS TONIGHT.
THE MAIN THREAT WILL BE LARGE HAIL AND DAMAGING WINDS...ALTHOUGH AN
ISOLATED TORNADO IS POSSIBLE.

.DAYS TWO THROUGH SEVEN...

THERE IS A SLIGHT CHANCE OF THUNDERSTORMS THURSDAY AND FRIDAY...WITH
A BETTER CHANCE SATURDAY INTO SUNDAY.  WHILE SOME OF THE STORMS
THURSDAY AND FRIDAY COULD BECOME SEVERE...THE BETTER CHANCE FOR SEVERE
WEATHER IS SATURDAY.

.SPOTTER CALL TO ACTION STATEMENT...

SPOTTER ACTIVATION MAY BE REQUIRED TONIGHT...ESPECIALLY ALONG THE
RED RIVER.

In the hours before

Local storm report, May 6, 8:30 PM CDT, 1 hour 23 minutes before

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Local storm report, May 6, 8:48 PM CDT, 1 hour 5 minutes before

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Local storm report, May 6, 9:01 PM CDT, 52 minutes before

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Local storm report, May 6, 9:17 PM CDT, 36 minutes before

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Local storm report, May 6, 9:25 PM CDT, 28 minutes before

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Local storm report, May 6, 9:50 PM CDT, 3 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 6, 7:06 PM CDT	Severe Thunderstorm Warning	FWD	Wise	54 min
May 6, 7:40 PM CDT	Severe Thunderstorm Warning	FWD	Denton	65 min
May 6, 7:44 PM CDT	Severe Thunderstorm Warning	FWD	Cooke	61 min
May 6, 8:00 PM CDT	Severe Thunderstorm Warning	FWD	Wise	60 min
May 6, 8:16 PM CDT	Severe Thunderstorm Warning	FWD	Grayson	59 min
May 6, 9:01 PM CDT	Severe Thunderstorm Warning	FWD	Denton	59 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; radar from the NEXRAD Level II archive.