Alert archive / Texas / Tornado Warnings in 2005

Tornado Warning 7, NWS Shreveport, LA

September 24, 20054 counties in Texas; Sabine Parish, Louisiana

NWS Shreveport, LA issued this tornado warning at Sep 24, 2005, 8:50 AM CDT for 4 counties in Texas; Sabine Parish, Louisiana. It was in force for 70 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
Sep 24, 2005, 8:50 AM CDT (13:50 UTC)
Expired
Sep 24, 2005, 10:00 AM CDT
In force
70 min
Issued by
NWS Shreveport, LA
Area
Counties, with a storm outline in the text

Counties Sabine Parish, LA, Angelina County, TX, Nacogdoches County, TX, Sabine County, TX, San Augustine County, TX

The radar

The Shreveport radar (KSHV), 107 km from the middle of the area, began a volume at 13:49 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.

IssuedProductOfficeLasted
Sep 24, 5:45 AM CDTTornado WatchSPC7 hr

The nearest sounding before it

Shreveport, LA (KSHV), launched 12:00Z, 1.8 hours before the alert went out and 112 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-pSkew-T log-p diagram, Shreveport, LA at 12:00Z on 2005-09-24Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 328 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Shreveport, LA at 12:00Z on 2005-09-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 151 square meters per square second.1939587897Sfc1 km3 km6 km9 kmRMLM
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
328 J/kg
Mixed-layer CIN
-23 J/kg
Mixed-layer LCL
682 m above ground
0-6 km bulk shear
41 kt
0-1 km storm-relative helicity
151 m²/s²
0-3 km storm-relative helicity
144 m²/s²
Significant tornado parameter
0.3
Supercell composite
1.1

Open this sounding in Storm Lab

The text

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

000 
WFUS54 KSHV 241357
TORSHV
LAC085-TXC005-347-403-405-241500-
/O.NEW.KSHV.TO.W.0007.050924T1350Z-050924T1500Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE SHREVEPORT LA
900 AM CDT SAT SEP 24 2005

THE NATIONAL WEATHER SERVICE IN SHREVEPORT HAS ISSUED A

* TORNADO WARNING FOR...
  ANGELINA COUNTY IN EASTERN TEXAS
  NACOGDOCHES COUNTY IN EASTERN TEXAS
  SABINE COUNTY IN EASTERN TEXAS
  SAN AUGUSTINE COUNTY IN EASTERN TEXAS
  SABINE PARISH IN NORTHWEST LOUISIANA

* UNTIL 1000 AM CDT

* AT 900 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADARS INDICATED  
BANDS OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING TORNADOES AROUND 
THE EYE OF HURRICANE RITA.  THE EYE WAS LOCATED NEAR JASPER TEXAS... 
MOVING NORTH NORTHWEST NEAR 10 MPH.

IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A 
STURDY SHELTER. 

LOCATIONS IMPACTED INCLUDE...
LUFKIN...
NACOGDOCHES...
SAN AUGUSTINE...
HEMPHILL...
PINELAND...
BRONSON...
ZAVALLA...
FLORIEN...
MANY...
ZWOLLE...

REPEATING...THE NATIONAL WEATHER SERVICE HAS ISSUED A TORNADO WARNING
FOR...
  ANGELINA COUNTY IN EASTERN TEXAS
  NACOGDOCHES COUNTY IN EASTERN TEXAS
  SABINE COUNTY IN EASTERN TEXAS
  SAN AUGUSTINE COUNTY IN EASTERN TEXAS
  SABINE PARISH IN NORTHWEST LOUISIANA
UNTIL 1000 AM CDT.

LAT...LON 3116 9476 3144 9493 3156 9488 3162 9493
      3181 9493 3181 9449 3158 9429 3157 9387
      3182 9375 3182 9345 3172 9345 3171 9338
      3138 9325 3138 9338 3128 9344 3108 9442

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 24, 7:02 AM CDTTornado WarningSHVAngelina, Sabine, San Augustine58 min
Sep 24, 7:54 AM CDTTornado WarningSHVAngelina, Sabine, San Augustine66 min
Sep 24, 9:13 AM CDTFlash Flood WarningSHVAngelina, Nacogdoches, Sabine, San Augustine, Shelby4 hr
Sep 24, 9:54 AM CDTTornado WarningSHVSabine, San Augustine66 min
Sep 24, 10:57 AM CDTFlash Flood WarningSHVPanola4 hr
Sep 24, 1:08 PM CDTFlash Flood WarningSHVShelby2 hr
Sep 24, 2:56 PM CDTFlash Flood WarningSHVBossier, Caddo, De Soto3 hr

Nearby

Tornado Warnings in Texas, 2005Tornado Warnings in Louisiana, 2005Every tornado warning in 2005Tornadoes in 2005

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.