Alert archive / Texas / Severe Thunderstorm Warnings in 2003

Severe Thunderstorm Warning 291, NWS Shreveport, LA

July 13, 2003Red River County, Texas

NWS Shreveport, LA issued this severe thunderstorm warning at Jul 13, 2003, 2:13 PM CDT for Red River County, Texas. It was in force for 32 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: Jul 13, 2003, 2:13 PM CDT (19:13 UTC)
Expired: Jul 13, 2003, 2:45 PM CDT
In force: 32 min
Issued by: NWS Shreveport, LA
Area: Counties, with a storm outline in the text

County Red River County, TX

Did it verify

Not verified. The Iowa Environmental Mesonet's Cow found no qualifying storm report inside this severe thunderstorm warning while it was in force. That is not proof nothing happened: reports are thin where few people live.

Cow counts a report within 15 km of the polygon while the warning was in force: a tornado for a tornado warning; hail of 1 inch or more, a gust of 58 mph or more or wind damage for a severe thunderstorm warning; a flash flood report for a flash flood warning.

The nearest sounding before it

Shreveport, LA (KSHV), launched 12:00Z, 7.2 hours before the alert went out and 155 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: 1819 J/kg
Mixed-layer CIN: -90 J/kg
Mixed-layer LCL: 991 m above ground
0-6 km bulk shear: 22 kt
0-1 km storm-relative helicity: -6 m²/s²
0-3 km storm-relative helicity: 55 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.1

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

872 
WUUS54 KSHV 131913
SVRSHV
TXC387-131945-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE SHREVEPORT LA
212 PM CDT SUN JUL 13 2003

THE NATIONAL WEATHER SERVICE IN SHREVEPORT HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  RED RIVER COUNTY IN NORTHEAST TEXAS

* UNTIL 245 PM CDT

* AT 212 PM CDT...THE SHREVEPORT NATIONAL WEATHER SERVICE DOPPLER
  RADAR INDICATED A SEVERE THUNDERSTORM NEAR BOGATA...MOVING
  SOUTHWEST AT 15 MPH.

THIS THUNDERSTORM WILL PRODUCE LARGE HAIL AND STRONG DAMAGING WINDS.
DO NOT REMAIN OUTSIDE.

REPEATING...THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE
THUNDERSTORM WARNING FOR...
  RED RIVER COUNTY IN NORTHEAST TEXAS
UNTIL 245 PM CDT.

LAT...LON 3334 9475 3332 9477 3338 9524 3349 9522
          3366 9514

$$

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 Jul 13, 10:55 AM CDT, 3 hours 18 minutes earlier.

Area forecast discussion, Jul 13, 10:55 AM CDT, 3 hours 18 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE SHREVEPORT LA
1055 AM CDT SUN JUL 13 2003

UPDATED ZONE PACKAGE JUST SENT OUT.  RAISED POPS ALONG THE NORTH FOR
REMNANTS OF NRN SYSTEM THAT WILL DO A LITTLE MORE THAN SKIRT THE
AREA BEFORE DYING OUT.  IN DOING SO...ALSO TWEAKED DOWN HIGHS
TEMPERATURES DOWN A TAD ACROSS THE EXTREME N ALONG WITH INCREASING
CLOUD COVER.  OTHERWISE...ELSEWHERE...NO MAJOR CHANGES.  T.S.
CLAUDETTE STARTING TO THROW SHOWER ACTIVITY ACROSS SE LA COAST BUT
WILL NOT AFFECT OUR AREA TODAY.

20

.SHV...NONE.

Hazardous weather outlook, Jul 13, 12:00 PM CDT, 2 hours 13 minutes before

ARZ050-051-059>061-070>073-LAZ001>006-010>014-017>022-OKZ077-TXZ096-
097-108>112-124>126-136>138-149>153-165>167-141100-

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE SHREVEPORT LA
1200 PM CDT SUN JUL 13 2003

THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTHEAST OKLAHOMA...NORTHEAST
TEXAS...SOUTHWEST ARKANSAS...NORTHWEST AND NORTH CENTRAL LOUISIANA.

.DAY ONE...THIS AFTERNOON AND TONIGHT...
SHOWERS AND THUNDERSTORMS ASSOCIATED WITH A BOUNDARY ACROSS THE
NORTHEAST SECTIONS OF THE REGION THIS AFTERNOON IN CONJUNCTION WITH
AN UNSTABLE AND VERY WARM AIRMASS COULD IGNITE SOME ISOLATED SEVERE
THUNDERSTORM ACTIVITY THOUGH THIS EVENING.  DAMAGING WIND GUSTS AND
SOME LARGE HAIL ARE POSSIBLE IN ANY SEVERE STORMS THAT DEVELOP.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY...
NO SEVERE WEATHER EXPECTED.

.SPOTTER CALL TO ACTION STATEMENT...
ACTIVATION OF EMERGENCY MANAGERS...SKYWARN NETWORKS...AND STORM
SPOTTERS...IS NOT ANTICIPATED THROUGH TONIGHT.

20

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 13, 2:53 PM CDT	Severe Thunderstorm Warning	SHV	Camp, Franklin	37 min
Jul 13, 4:48 PM CDT	Severe Thunderstorm Warning	SHV	Rusk	42 min
Jul 13, 5:29 PM CDT	Severe Thunderstorm Warning	SHV	Shelby	31 min
Jul 13, 5:30 PM CDT	Severe Thunderstorm Warning	SHV	Shelby	30 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.