Alert archive / Louisiana / Severe Thunderstorm Warnings in 2005
Severe Thunderstorm Warning 281, NWS Shreveport, LA
NWS Shreveport, LA issued this severe thunderstorm warning at Oct 31, 2005, 1:46 PM CST for Caddo Parish, Louisiana. 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 31, 2005, 1:46 PM CST (19:46 UTC)
- Expired
- Oct 31, 2005, 2:30 PM CST
- In force
- 44 min
- Issued by
- NWS Shreveport, LA
- Area
- Counties, with a storm outline in the text
County Caddo Parish, LA
The radar
The Shreveport radar (KSHV), 15 km from the middle of the area, began a volume at 19:48 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.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Oct 31, 1:35 PM CST | Severe Thunderstorm Watch | SPC | 6 hr |
The nearest sounding before it
Shreveport, LA (KSHV), launched 12:00Z, 7.8 hours before the alert went out and 17 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1173 m above ground
- 0-6 km bulk shear
- 25 kt
- 0-1 km storm-relative helicity
- 148 m²/s²
- 0-3 km storm-relative helicity
- 169 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
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 31, 1:36 PM CST, 10 minutes earlier.
Area forecast discussion, Oct 31, 1:36 PM CST, 10 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE SHREVEPORT LA 136 PM CST MON OCT 31 2005 .UPDATE... UPDATE FOR NEW WATCH LOUSIANA AND ARKANSAS. UPDATES OUT SHORTLY. && .PREV DISCUSSION... (ISSUED 1138 AM CST MON OCT 31 2005) UPDATE... WILL DO A QUICK UPDATE FOR CONVECTIVE WATCH. SEE SWOMCD FOR FURTHER DETAILS. UPDATES OUT SHORTLY. PREV DISCUSSION... (ISSUED 1000 AM CST MON OCT 31 2005) DISCUSSION... CURRENT SURFACE OBS/AREA RADARS COINCIDE NICELY W/CURRENT GRIDS. NO UPDATE. PREV DISCUSSION... (ISSUED 440 AM CST MON OCT 31 2005) DISCUSSION... A COLD FRONT CURRENTLY MOVING THROUGH OKLAHOMA AND JUST NORTHWEST OF A TUL...OKC...FSI LINE...WILL CONTINUE ITS PROGRESSION TO THE SE APPROACHING THE AREA AROUND NOON. MOISTURE IS CONTINUING TO INCREASE AHEAD OF THIS FRONT...AND REGIONAL RADARS ARE SHOWING SOME WIDELY SCATTERED SHOWERS AND AND ISOLATED THUNDERSTORMS ACROSS NORTH TEXAS AND SOUTHEAST OKLAHOMA THIS MORNING. THIS ACTIVITY WILL LIKELY INCREASE WITH TIME...SO THERE WILL BE A CHANCE FOR SHOWER AND THUNDERSTORM ACTIVITY AHEAD OF THE FRONT...ESPECIALLY IN NORTHEAST TEXAS AND SOUTHEAST OKLAHOMA. THE STRONGEST LIFT WILL NEAR THE FRONTAL BOUNDARY...SO LOOK FOR A SQUALL LINE TO MOVE ACROSS THE AREA THIS AFTERNOON...AND THIS IS WHERE WE WILL LIKELY SEE THE STRONGEST AND POSSIBLE SEVERE THUNDERSTORMS. FRONT SHOULD BE THROUGH THE AREA BY 12Z TUESDAY MORNING...WITH RAIN ENDING ACROSS MOST OF THE AREA...HOWEVER I DID HOLD A CHANCE OF SHOWERS IN ACROSS PARTS OF NORTHEAST LOUISIANA AND SOUTHERN ARKANSAS. FOR TEMPS I WENT SLIGHTLY ABOVE GUIDANCE IN THE FIRST PERIOD...BUT STAYED CLOSE IN THE SECOND THROUGH FOURTH PERIODS. ELEVEN SHV WATCHES/WARNINGS/ADVISORIES... AR...NONE. LA...NONE. OK...NONE. TX...NONE. && .SHV WATCHES/WARNINGS/ADVISORIES... AR...NONE. LA...NONE. OK...NONE. TX...NONE. && 17/44
Hazardous weather outlook, Oct 31, 12:00 PM CST, 1 hour 46 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE SHREVEPORT LA 1200 PM CST MON OCT 31 2005 ARZ050-051-059>061-070>073-LAZ001>006-010>014-017>022-OKZ077-TXZ096- 097-108>112-124>126-136>138-149>153-165>167-011200- 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 CST MON OCT 31 2005 THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTHEAST OKLAHOMA...NORTHEAST TEXAS...SOUTHWEST ARKANSAS...NORTHWEST...AND NORTH CENTRAL LOUISIANA. .DAY ONE...THIS AFTERNOON AND TONIGHT... AN UPPER LEVEL STORM SYSTEM AND ASSOCIATED COLD FRONT WILL MOVE ACROSS THE AREA THIS AFTERNOON AND TONIGHT. SCATTERED SHOWERS AND THUNDERSTORMS WILL CONTINUE DEVELOPING AHEAD OF THE FRONT THIS AFTERNOON...BUT LOOK FOR A SQUALL LINE TO DEVELOP ALONG THE FRONTAL BOUNDARY...AND MOVE THROUGH THE AREA THIS AFTERNOON AND EVENING. A FEW THUNDERSTORMS WITHIN THE SQUALL LINE IN NORTHEAST TEXAS MAY BECOME SEVERE THIS AFTERNOON AND EVENING...PRODUCING LARGE HAIL AND DAMAGING WINDS. .DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY... NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .SPOTTER INFORMATION STATEMENT... ACTIVATION OF EMERGENCY MANAGERS...SKYWARN NETWORKS...AND STORM SPOTTERS...IS NOT ANTICIPATED THIS AFTERNOON AND TONIGHT...AT THIS TIME. 44
In the hours before
Local storm report, Oct 31, 1:01 PM CST, 45 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SHREVEPORT LA
101 PM CST MON OCT 31 2005
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
1249 PM TSTM WND DMG 12 W MAUD 33.33N 94.55W
10/31/2005 BOWIE TX PUBLIC
TREE DAMAGE REPORTED BETWEEN THE BASSETT AND SILOAM
COMMUNITIES ALONG US HIGHWAY 67.
&&
CROSSLocal storm report, Oct 31, 1:14 PM CST, 32 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SHREVEPORT LA
114 PM CST MON OCT 31 2005
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0100 PM TSTM WND DMG BETTIE 32.83N 94.96W
10/31/2005 UPSHUR TX BROADCAST MEDIA
ROOF BLOWN OFF HOUSE
&&
DUPLANTISLocal storm report, Oct 31, 1:42 PM CST, 4 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 |
|---|---|---|---|---|
| Oct 31, 12:54 PM CST | Severe Thunderstorm Warning | SHV | Bowie | 36 min |
| Oct 31, 1:04 PM CST | Severe Thunderstorm Warning | SHV | Cass, Morris | 26 min |
| Oct 31, 1:10 PM CST | Severe Thunderstorm Warning | SHV | Marion, Upshur | 50 min |
| Oct 31, 2:40 PM CST | Severe Thunderstorm Warning | SHV | Cherokee, Nacogdoches, Rusk | 52 min |
| Oct 31, 2:57 PM CST | Severe Thunderstorm Warning | SHV | Bossier | 33 min |
| Oct 31, 1:14 PM CST | Severe Thunderstorm Warning | SHV | Little River, Miller | 61 min |
| Oct 31, 1:31 PM CST | Severe Thunderstorm Warning | SHV | Hempstead | 44 min |
| Oct 31, 1:40 PM CST | Severe Thunderstorm Warning | SHV | Lafayette | 65 min |
Nearby
Severe Thunderstorm Warnings in Louisiana, 2005Every severe thunderstorm warning 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.