Alert archive / Texas / Severe Thunderstorm Warnings in 2004

Severe Thunderstorm Warning 336, NWS Shreveport, LA

October 4, 2004Cherokee County, Texas

NWS Shreveport, LA issued this severe thunderstorm warning at Oct 4, 2004, 10:31 AM CDT for Cherokee County, Texas. It was in force for 44 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: Oct 4, 2004, 10:31 AM CDT (15:31 UTC)
Expired: Oct 4, 2004, 11:15 AM CDT
In force: 44 min
Issued by: NWS Shreveport, LA
Area: Counties, with a storm outline in the text

County Cherokee County, TX

The radar

The Shreveport radar (KSHV), 142 km from the middle of the area, began a volume at 15:35 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

Shreveport, LA (KSHV), launched 12:00Z, 3.5 hours before the alert went out and 151 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: 403 J/kg
Mixed-layer CIN: -92 J/kg
Mixed-layer LCL: 1052 m above ground
0-6 km bulk shear: 33 kt
0-1 km storm-relative helicity: 16 m²/s²
0-3 km storm-relative helicity: 14 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.4

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 Shreveport, LA wrote its last area forecast discussion before this severe thunderstorm warning went out at Oct 4, 9:30 AM CDT, 1 hour 1 minute earlier.

Area forecast discussion, Oct 4, 9:30 AM CDT, 1 hour 1 minute before

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Hazardous weather outlook, Oct 4, 6:00 AM CDT, 4 hours 31 minutes before

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In the hours before

Special weather statement, Oct 4, 8:43 AM CDT, 1 hour 48 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SHREVEPORT LA
843 AM CDT MON OCT 4 2004

TXZ108>111-124>126-136>138-149>151-041530-
CAMP-CHEROKEE-FRANKLIN-GREGG-HARRISON-MARION-MORRIS-PANOLA-RUSK-
SMITH-TITUS-UPSHUR-WOOD-
843 AM CDT MON OCT 4 2004

STRONG THUNDERSTORMS WERE MOVING INTO NORTHEAST TEXAS THIS MORNING.
THESE THUNDERSTORMS WERE ALONG A LINE EXTENDING FROM NEAR GILMER
TEXAS...SOUTHWEST...TO ABOUT 15 MILES NORTHWEST OF ATHENS.

THESE THUNDERSTORMS WILL BE CAPABLE OF PRODUCING HEAVY RAINFALL...
GUSTY WINDS...AND SMALL HAIL...AS THEY MOVE EAST SOUTHEAST AT
35 MILES AN HOUR. CITIES THAT ARE IN THE PATH OF THIS LINE OF
THUNDERSTORMS THIS MORNING INCLUDE TYLER...HENDERSON...AND
JACKSONVILLE TEXAS.

The office that day

Everything else NWS Shreveport, LA issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Oct 4, 12:20 PM CDT	Severe Thunderstorm Warning	SHV	Nacogdoches	55 min
Oct 4, 1:58 PM CDT	Severe Thunderstorm Warning	SHV	Sabine	62 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.