Alert archive / Texas / Severe Thunderstorm Warnings in 2004

Severe Thunderstorm Warning 328, NWS Fort Worth, TX

July 28, 2004Jack County, Texas

NWS Fort Worth, TX issued this severe thunderstorm warning at Jul 28, 2004, 1:59 PM CDT for Jack County, Texas. It was in force for 46 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: Jul 28, 2004, 1:59 PM CDT (18:59 UTC)
Expired: Jul 28, 2004, 2:45 PM CDT
In force: 46 min
Issued by: NWS Fort Worth, TX
Area: Counties, with a storm outline in the text

County Jack County, TX

The radar

The Dallas/Ft Worth radar (KFWS), 109 km from the middle of the area, began a volume at 19:01 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, 7.0 hours before the alert went out and 94 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: 3 J/kg
Mixed-layer CIN: -118 J/kg
Mixed-layer LCL: 904 m above ground
0-6 km bulk shear: 25 kt
0-1 km storm-relative helicity: 90 m²/s²
0-3 km storm-relative helicity: 135 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.1

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 Jul 28, 12:40 PM CDT, 1 hour 19 minutes earlier.

Area forecast discussion, Jul 28, 12:40 PM CDT, 1 hour 19 minutes before

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Hazardous weather outlook, Jul 28, 4:11 AM CDT, 9 hours 48 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE FORT WORTH TX
411 AM CDT WED JUL 28 2004

TXZ091>095-100>107-115>123-129>135-141>148-156>162-174-175-282100-
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-
411 AM CDT WED JUL 28 2004

THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTH TEXAS.

.DAY ONE...
NUMEROUS THUNDERSTORMS WILL SPREAD ACROSS NORTH TEXAS TODAY. THE
GREATEST THREATS FROM THESE STORMS WILL BE LIGHTNING AND LOCALLY
HEAVY RAINFALL.

.DAYS TWO THROUGH SEVEN...
NUMEROUS THUNDERSTORMS WILL CONTINUE THROUGH THURSDAY. MOREOVER...
THERE IS A CHANCE OF THUNDERSTORMS ACROSS ALL OF NORTH TEXAS FRIDAY
AND SATURDAY...AND A SLIGHT CHANCE OF THUNDERSTORMS SUNDAY...
GENERALLY NORTH OF A BRECKENRIDGE...DALLAS...CANTON LINE. THE MAIN
STORM THREATS WILL CONTINUE TO BE LIGHTNING AND LOCALLY HEAVY
RAINFALL.

.SPOTTER CALL TO ACTION STATEMENT...
LIMITED SPOTTER ACTIVATION MAY BE REQUESTED THROUGH TONIGHT FOR THE
THREAT OF HEAVY RAINFALL.

In the hours before

Local storm report, Jul 28, 9:07 AM CDT, 4 hours 52 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE FORT WORTH TX
907 AM CDT WED JUL 28 2004

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

0905 AM     FLASH FLOOD     OLNEY                    33.36N  98.76W
07/28/2004                  YOUNG               TX   EMERGENCY MNGR

            YOUNG COUNTY EMC REPORTED A 5 INCH RAINFALL AMOUNT IN
            OLNEY...ALONG WITH SIGNIFICANT FLOODING

The office that day

Everything else NWS Fort Worth, TX issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jul 28, 8:31 AM CDT	Flash Flood Warning	FWD	Young	3 hr
Jul 28, 11:25 AM CDT	Flash Flood Warning	FWD	Young	3 hr
Jul 28, 4:26 PM CDT	Severe Thunderstorm Warning	FWD	Denton, Tarrant	64 min
Jul 28, 6:48 PM CDT	Flash Flood Warning	FWD	Tarrant	117 min
Jul 28, 6:54 PM CDT	Severe Thunderstorm Warning	FWD	Dallas	51 min

Nearby

Severe Thunderstorm Warnings in Texas, 2004 Every severe thunderstorm warning in 2004

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.