Alert archive / Texas / Severe Thunderstorm Warnings in 2008
Severe Thunderstorm Warning 431, NWS Shreveport, LA
NWS Shreveport, LA issued this severe thunderstorm warning at Aug 3, 2008, 6:24 PM CDT for Panola County, Shelby County, Texas; Caddo Parish, De Soto Parish, Louisiana. It was in force for 51 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
- Aug 3, 2008, 6:24 PM CDT (23:24 UTC)
- Expired
- Aug 3, 2008, 7:15 PM CDT
- In force
- 51 min
- Issued by
- NWS Shreveport, LA
- Area
- Storm-based polygon
Counties Caddo Parish, LA, De Soto Parish, LA, Panola County, TX, Shelby County, TX
The nearest sounding before it
Shreveport, LA (KSHV), launched 12:00Z, 11.4 hours before the alert went out and 45 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.
- Mixed-layer CAPE
- 397 J/kg
- Mixed-layer CIN
- -465 J/kg
- Mixed-layer LCL
- 1402 m above ground
- 0-6 km bulk shear
- 32 kt
- 0-1 km storm-relative helicity
- 75 m²/s²
- 0-3 km storm-relative helicity
- 214 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 2.4
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 Aug 3, 6:18 PM CDT, 6 minutes earlier.
Area forecast discussion, Aug 3, 6:18 PM CDT, 6 minutes before
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</html>Hazardous weather outlook, Aug 3, 12:00 PM CDT, 6 hours 24 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE SHREVEPORT LA 1200 PM CDT SUN AUG 3 2008 ARZ050-051-059>061-070>073-LAZ001>006-010>014-017>022-OKZ077-TXZ096- 097-108>112-124>126-136>138-149>153-165>167-041100- ANGELINA-BIENVILLE-BOSSIER-BOWIE-CADDO-CALDWELL-CAMP-CASS-CHEROKEE- CLAIBORNE-COLUMBIA-DE SOTO-FRANKLIN-GRANT-GREGG-HARRISON-HEMPSTEAD- HOWARD-JACKSON-LA SALLE-LAFAYETTE-LINCOLN-LITTLE RIVER-MARION- MCCURTAIN-MILLER-MORRIS-NACOGDOCHES-NATCHITOCHES-NEVADA-OUACHITA- PANOLA-RED RIVER LA-RED RIVER TX-RUSK-SABINE LA-SABINE TX- SAN AUGUSTINE-SEVIER-SHELBY-SMITH-TITUS-UNION AR-UNION LA-UPSHUR- WEBSTER-WINN-WOOD- 1200 PM CDT SUN AUG 3 2008 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTH CENTRAL ARKANSAS...SOUTHWEST ARKANSAS...NORTH CENTRAL LOUISIANA... NORTHWEST LOUISIANA...SOUTHEAST OKLAHOMA...EAST TEXAS AND NORTHEAST TEXAS. .DAY ONE...THIS AFTERNOON AND TONIGHT TEMPERATURES WILL CLIMB TO 102 TO 108 DEGREES THIS AFTERNOON. COMBINED WITH HIGH HUMIDITIES...THESE TEMPERATURES WILL RESULT IN HEAT INDICES OF 105 TO 109 DEGREES. THIS WILL RESULT IN STRESS TO ANYONE INVOLVED IN OUTDOOR ACTIVITIES...AND THOSE CONFINED INDOORS WITHOUT FANS OR AIR CONDITIONERS. IN ADDITION...ISOLATED AFTERNOON THUNDERSTORMS WILL BE POSSIBLE... MAINLY EAST OF A LUFKIN...TEXAS TO TEXARKANA...ARKANSAS LINE. ANY THUNDERSTORMS THAT DO DEVELOP WILL BE ACCOMPANIED BY FREQUENT LIGHTNING...GUSTY WINDS...AND BRIEF HEAVY RAINFALL. A FEW THUNDERSTORMS MAY BECOME SEVERE...WITH DAMAGING WINDS BEING THE MAIN THREAT. .DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY WARM TEMPERATURES WILL CONTINUE THROUGH MONDAY AND TUESDAY...WITH TRIPLE DIGIT AFTERNOON TEMPERATURES MOST PLACES ONCE AGAIN. AFTERNOON HEAT INDICES OF 105 TO 109 DEGREES CAN BE EXPECTED DURING THE AFTERNOON MONDAY AND TUESDAY. .SPOTTER INFORMATION STATEMENT... STORM SPOTTER...HAM RADIO OPERATOR...AND EMERGENCY MANAGEMENT ACTIVATION SHOULD NOT BE NEEDED THIS AFTERNOON OR TONIGHT. 44
In the hours before
Local storm report, Aug 3, 4:38 PM CDT, 1 hour 46 minutes before
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</html>Local storm report, Aug 3, 5:35 PM CDT, 49 minutes before
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</html>Local storm report, Aug 3, 5:40 PM CDT, 44 minutes before
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</html>The office that day
Everything else NWS Shreveport, LA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 3, 3:47 PM CDT | Severe Thunderstorm Warning | SHV | Sabine | 43 min |
| Aug 3, 4:29 PM CDT | Severe Thunderstorm Warning | SHV | Angelina, Sabine, San Augustine | 61 min |
| Aug 3, 4:44 PM CDT | Severe Thunderstorm Warning | SHV | Sabine, San Augustine, Shelby | 46 min |
| Aug 3, 5:07 PM CDT | Severe Thunderstorm Warning | SHV | Angelina, Nacogdoches | 53 min |
| Aug 3, 6:04 PM CDT | Severe Thunderstorm Warning | SHV | Cherokee, Nacogdoches, Rusk | 56 min |
| Aug 2, 7:04 PM CDT | Severe Thunderstorm Warning | SHV | Jackson, Winn | 41 min |
| Aug 2, 7:17 PM CDT | Severe Thunderstorm Warning | SHV | Jackson, Lincoln | 28 min |
| Aug 2, 7:38 PM CDT | Severe Thunderstorm Warning | SHV | Bienville, Claiborne, Webster | 37 min |
| Aug 3, 12:57 AM CDT | Special Weather Statement | SHV | Caldwell, Ouachita, Union | 63 min |
| Aug 3, 1:17 AM CDT | Severe Thunderstorm Warning | SHV | Caldwell, LaSalle, Ouachita | 43 min |
| Aug 3, 1:41 AM CDT | Severe Thunderstorm Warning | SHV | Grant, Jackson, Lincoln, Winn | 64 min |
| Aug 3, 1:52 AM CDT | Special Weather Statement | SHV | Bienville, Bossier, Caddo, Claiborne, De Soto, Grant and 4 more | 53 min |
| Aug 3, 2:22 AM CDT | Severe Thunderstorm Warning | SHV | Bienville, Natchitoches | 53 min |
Nearby
Severe Thunderstorm Warnings in Texas, 2008Severe Thunderstorm Warnings in Louisiana, 2008Every severe thunderstorm warning in 2008
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.