Alert archive / Texas / Severe Thunderstorm Warnings in 2003

Severe Thunderstorm Warning 156, NWS Fort Worth, TX

May 14, 2003Lamar County, Texas

NWS Fort Worth, TX issued this severe thunderstorm warning at May 14, 2003, 7:33 AM CDT for Lamar County, Texas. It was in force for 42 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 14, 2003, 7:33 AM CDT (12:33 UTC)
Expired: May 14, 2003, 8:15 AM CDT
In force: 42 min
Issued by: NWS Fort Worth, TX
Area: Counties, with a storm outline in the text

County Lamar County, TX

The radar

The Dallas/Ft Worth radar (KFWS), 202 km from the middle of the area, began a volume at 12:33 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, 0.6 hours before the alert went out and 185 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: 564 J/kg
Mixed-layer CIN: -562 J/kg
Mixed-layer LCL: 628 m above ground
0-6 km bulk shear: 57 kt
0-1 km storm-relative helicity: 397 m²/s²
0-3 km storm-relative helicity: 387 m²/s²
Significant tornado parameter: 0.0
Supercell composite: -0.3

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 May 14, 6:15 AM CDT, 1 hour 18 minutes earlier.

Area forecast discussion, May 14, 6:15 AM CDT, 1 hour 18 minutes before

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Hazardous weather outlook, May 14, 5:00 AM CDT, 2 hours 33 minutes before

TXZ091>095-100>107-115>123-129>135-141>148-156>162-174-175-151100-

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE FORT WORTH TX
500 AM CDT WED MAY 14 2003

THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTH TEXAS.

.DAY ONE...
THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS THROUGH LATE
MORNING...GENERALLY ALONG AND EAST OF A MUENSTER...ARLINGTON...
CORSICANA LINE. VERY LARGE HAIL AND DAMAGING WINDS WILL BE THE MAIN
SEVERE WEATHER THREATS.

THERE WILL BE AN ADDITIONAL SLIGHT RISK OF SEVERE WEATHER ACROSS ALL
OF NORTH TEXAS LATER THIS AFTERNOON AND EVENING...AS THUNDERSTORMS
REDEVELOP IN THE MOIST AND UNSTABLE AIRMASS EAST OF THE DRYLINE.
VERY LARGE HAIL AND DAMAGING WINDS WILL ONCE AGAIN BE THE MAIN
SEVERE WEATHER THREATS.

.DAYS TWO THROUGH SEVEN...
A MOIST AND UNSTABLE AIRMASS WILL REMAIN OVER NORTH TEXAS THROUGH
FRIDAY WITH THUNDERSTORMS POSSIBLE EACH DAY. THERE WILL BE A SLIGHT
RISK OF SEVERE THUNDERSTORMS EACH DAY.

.SPOTTER CALL TO ACTION STATEMENT...
SPOTTER ACTIVATION MAY BE NECESSARY THIS MORNING ALONG AND EAST OF A
MUENSTER...ARLINGTON...CORSICANA LINE. SPOTTER ACTIVATION MAY ALSO
BE NECESSARY AGAIN THIS AFTERNOON ACROSS ALL OF NORTH TEXAS.

65/DD

In the hours before

Local storm report, May 14, 5:24 AM CDT, 2 hours 9 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE FORT WORTH TX
524 AM CDT WED MAY 14 2003

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

0514 AM    CALLISBURG                TX   2.75 INCH HAIL
05/14/03   COOKE                          REPORTED BY EMERGENCY
                                          MANAGEMENT IN EASTERN COOKE
                                          COUNTY

Local storm report, May 14, 5:25 AM CDT, 2 hours 8 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE FORT WORTH TX
525 AM CDT WED MAY 14 2003

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

0519 AM    WHITESBORO                TX   2.75 INCH HAIL
05/14/03   GRAYSON                        REPORTED BY EMERGENCY
                                          MANAGEMENT

Local storm report, May 14, 7:23 AM CDT, 10 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 14, 4:32 AM CDT	Severe Thunderstorm Warning	FWD	Cooke, Grayson	58 min
May 14, 5:31 AM CDT	Severe Thunderstorm Warning	FWD	Grayson	44 min
May 14, 5:51 AM CDT	Severe Thunderstorm Warning	FWD	Fannin	24 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.