Alert archive / Louisiana / Severe Thunderstorm Warnings in 2005
Severe Thunderstorm Warning 11, NWS Shreveport, LA
NWS Shreveport, LA issued this severe thunderstorm warning at Mar 13, 2005, 4:26 PM CST for Bienville Parish, Louisiana. It was in force for 64 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
- Mar 13, 2005, 4:26 PM CST (22:26 UTC)
- Expired
- Mar 13, 2005, 5:30 PM CST
- In force
- 64 min
- Issued by
- NWS Shreveport, LA
- Area
- Counties, with a storm outline in the text
County Bienville Parish, LA
The radar
The Shreveport radar (KSHV), 75 km from the middle of the area, began a volume at 22:25 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 |
|---|---|---|---|
| Mar 13, 2:30 PM CST | Severe Thunderstorm Watch | SPC | 8 hr |
The nearest sounding before it
Shreveport, LA (KSHV), launched 12:00Z, 10.4 hours before the alert went out and 67 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
- 6 J/kg
- Mixed-layer CIN
- -496 J/kg
- Mixed-layer LCL
- 1121 m above ground
- 0-6 km bulk shear
- 29 kt
- 0-1 km storm-relative helicity
- 274 m²/s²
- 0-3 km storm-relative helicity
- 384 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 Mar 13, 3:20 PM CST, 1 hour 6 minutes earlier.
Area forecast discussion, Mar 13, 3:20 PM CST, 1 hour 6 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE SHREVEPORT LA 320 PM CST SUN MAR 13 2005 .DISCUSSION... FRONT NEAR A ELD-SHV-LFK LINE AT MID AFTERNOON...SLIGHTLY BEHIND SCHEDULE. SOME CONVECTION TRYING TO GET GOING ALONG FRONT...BUT CAP SEEMS TO BE HOLDING. WILL CARRY A CHANCE OF SHOWERS AND TSTMS LA PORTION EARLY TONIGHT...BUT KEEPING POPS LOW...EVEN WITH SEVERE TSTM WATCH IN PLACE. FAIR WEATHER EXPECTED MONDAY AND MONDAY NIGHT. LATEST GFS RUN INDICATES A BETTER CHANCE OF RAIN BEGINNING TUESDAY AND CONTINUING THROUGH TUESDAY NIGHT AS INVERTED TROF DEVELOPS ALONG GULF COAST COMBINED WITH DECENT SHORT WAVE WHICH SHOULD PICK UP THE MOISTURE AND CARRY SYSTEM RAPIDLY EAST WEDNESDAY. THEREAFTER...A DRY PERIOD...WITH MOSTLY NORTHERLY SURFACE WINDS AND ZONAL FLOW ALOFT. ANOTHER DECENT SHORT WAVE KICKS OUT OF ROCKIES ON SUNDAY...THUS WILL BRING IN SLIGHT CHANCE POPS FOR END OF FORECAST PERIOD. && .PRELIMINARY POINT TEMPS/POPS... SHV 40 60 43 52 / 30 10 10 50 MLU 39 58 43 54 / 40 10 10 50 DEQ 30 60 37 49 / 10 10 10 50 TXK 37 59 41 51 / 10 10 10 50 ELD 36 60 38 54 / 30 10 10 50 TYR 41 61 43 55 / 10 10 10 50 GGG 40 61 43 54 / 10 10 10 50 LFK 43 63 45 61 / 10 10 10 60 && .SHV WATCHES/WARNINGS/ADVISORIES... AR...NONE. LA...NONE. OK...NONE. TX...NONE. && 14/14
Hazardous weather outlook, Mar 13, 3:30 PM CST, 56 minutes before
HAZARDOUS WEATHER OUTLOOK...UPDATED NATIONAL WEATHER SERVICE SHREVEPORT LA 330 PM CST SUN MAR 13 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>167-141205- 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- 330 PM CST SUN MAR 13 2005 THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTHEAST OKLAHOMA...NORTHEAST TEXAS...SOUTHWEST ARKANSAS...NORTHWEST AND NORTH CENTRAL LOUISIANA. .DAY ONE...THIS AFTERNOON AND TONIGHT... A STRONG COLD FRONT WILL MOVE ACROSS NORTHWEST AND NORTHCENTRAL LOUISIANA THIS EVENING. THUNDERSTORMS ARE EXPECTED TO DEVELOP ALONG AND AHEAD OF THE FRONT. A FEW OF THESE STORMS MAY BECOME SEVERE. THE MAIN WEATHER HAZARDS ARE STRONG DAMAGING WINDS AND LARGE HAIL. NO HAZARDOUS WEATHER IS EXPECTED OVER THE REMAINDER OF THE FORECAST AREA. .DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY... NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .SPOTTER INFORMATION STATEMENT... ACTIVATION OF EMERGENCY MANAGERS...SKYWARN NETWORKS...AND STORM SPOTTERS...MAY BE NECESSARY ACROSS NORTHWEST AND NORTHCENTRAL LOUISIANA THIS EVENING. 14
The office that day
Everything else NWS Shreveport, LA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 13, 4:11 PM CST | Severe Thunderstorm Warning | SHV | Lincoln | 64 min |
| Mar 13, 5:01 PM CST | Severe Thunderstorm Warning | SHV | Ouachita, Union | 59 min |
| Mar 13, 5:04 PM CST | Severe Thunderstorm Warning | SHV | Jackson | 71 min |
| Mar 13, 5:58 PM CST | Severe Thunderstorm Warning | SHV | Caldwell | 62 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.