Alert archive / Louisiana / Severe Thunderstorm Warnings in 2014
Severe Thunderstorm Warning 161, NWS Shreveport, LA
NWS Shreveport, LA issued this severe thunderstorm warning at Aug 9, 2014, 3:32 PM CDT for Ouachita Parish, Louisiana. It was in force for 34 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 9, 2014, 3:32 PM CDT (20:32 UTC)
- Expired
- Aug 9, 2014, 4:06 PM CDT
- In force
- 34 min
- Issued by
- NWS Shreveport, LA
- Area
- Storm-based polygon
County Ouachita Parish, LA
The radar
The Shreveport radar (KSHV), 158 km from the middle of the area, began a volume at 20:32 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 nearest sounding before it
Shreveport, LA (KBAD), launched 12:00Z, 8.5 hours before the alert went out and 150 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
- 1841 J/kg
- Mixed-layer CIN
- -123 J/kg
- Mixed-layer LCL
- 870 m above ground
- 0-6 km bulk shear
- 5 kt
- 0-1 km storm-relative helicity
- -44 m²/s²
- 0-3 km storm-relative helicity
- 11 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 Aug 9, 1:08 PM CDT, 2 hours 24 minutes earlier.
Area forecast discussion, Aug 9, 1:08 PM CDT, 2 hours 24 minutes before
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</html>Hazardous weather outlook, Aug 9, 11:57 AM CDT, 3 hours 35 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE SHREVEPORT LA 1157 AM CDT SAT AUG 9 2014 ARZ050-051-059>061-070>073-LAZ001>006-010>014-017>022-OKZ077- TXZ096-097-108>112-124>126-136>138-149>153-165>167-101215- SEVIER-HOWARD-LITTLE RIVER-HEMPSTEAD-NEVADA-MILLER-LAFAYETTE- COLUMBIA-UNION AR-CADDO-BOSSIER-WEBSTER-CLAIBORNE-LINCOLN- UNION LA-DE SOTO-RED RIVER-BIENVILLE-JACKSON-OUACHITA-SABINE LA- NATCHITOCHES-WINN-GRANT-CALDWELL-LA SALLE-MCCURTAIN-BOWIE- FRANKLIN-TITUS-CAMP-MORRIS-CASS-WOOD-UPSHUR-MARION-SMITH-GREGG- HARRISON-CHEROKEE-RUSK-PANOLA-NACOGDOCHES-SHELBY-ANGELINA- SAN AUGUSTINE-SABINE TX- 1157 AM CDT SAT AUG 9 2014 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... SCATTERED SHOWERS AND THUNDERSTORMS WILL AFFECT MUCH OF THE REGION AGAIN TODAY...ESPECIALLY ACROSS SOUTHWEST ARKANSAS WHERE HEAVY RAINFALL MAY LEAD TO ISOLATED FLASH FLOODING OF MOSTLY RURAL AND SECONDARY ROADS IN LOW LYING AND POOR DRAINAGE AREAS. IN ADDITION...A FEW ISOLATED STORMS MAY ALSO PRODUCE SOME GUSTY WINDS. OTHER AREAS MAINLY ACROSS EAST TEXAS AND NORTH LOUISIANA MAY APPROACH HEAT ADVISORY CRITERIA THIS AFTERNOON AS A VERY MOIST AND HUMID AIR MASS COMBINE WITH THE HOT TEMPERATURES TO PRODUCE HEAT INDEX VALUES NEAR 105 DEGREES IN SOME LOCATIONS. HOWEVER...NO WIDESPREAD HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY... SCATTERED THUNDERSTORMS WILL REMAIN POSSIBLE EACH DAY THROUGH MUCH OF THE NEXT SEVEN DAYS...MAINLY DURING THE AFTERNOON AND EARLY EVENING HOURS. NO WIDESPREAD HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .SPOTTER INFORMATION STATEMENT... ACTIVATION OF EMERGENCY MANAGEMENT PERSONNEL...AMATEUR RADIO OPERATORS AND STORM SPOTTERS WILL NOT BE NEEDED THROUGH TONIGHT. 19
In the hours before
Local storm report, Aug 9, 12:58 PM CDT, 2 hours 34 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SHREVEPORT LA
1258 PM CDT SAT AUG 09 2014
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
1254 PM FLASH FLOOD DE QUEEN 34.04N 94.34W
08/09/2014 SEVIER AR LAW ENFORCEMENT
REPORTS OF FLASH FLOODING ON NUMEROUS COUNTY ROADS.
&&
EVENT NUMBER SHV1400504
20Local storm report, Aug 9, 1:08 PM CDT, 2 hours 24 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SHREVEPORT LA
108 PM CDT SAT AUG 09 2014
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
1258 PM FLASH FLOOD 6 NNW LOCKESBURG 34.05N 94.21W
08/09/2014 SEVIER AR LAW ENFORCEMENT
WATER UP TO THE BOTTOM OF THE COSSATOT RIVER BRIDGE ON
HWY 71...BETWEEN DE QUEEN AND LOCKESBURG.
&&
EVENT NUMBER SHV1400505
20Local storm report, Aug 9, 1:23 PM CDT, 2 hours 9 minutes before
PRELIMINARY LOCAL STORM REPORT...CORRECTED
NATIONAL WEATHER SERVICE SHREVEPORT LA
123 PM CDT SAT AUG 09 2014
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
1230 PM FLASH FLOOD 6 NNW LOCKESBURG 34.05N 94.21W
08/09/2014 SEVIER AR LAW ENFORCEMENT
WATER UP TO THE BOTTOM OF THE COSSATOT RIVER BRIDGE ON
HWY 71...BETWEEN DE QUEEN AND LOCKESBURG.
&&
CORRECTED EVENT TIME
EVENT NUMBER SHV1400505
20Special weather statement, Aug 9, 3:23 PM CDT, 9 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SHREVEPORT LA
323 PM CDT SAT AUG 9 2014
LAZ014-092115-
OUACHITA-
323 PM CDT SAT AUG 9 2014
...SIGNIFICANT WEATHER ADVISORY...
THE NATIONAL WEATHER SERVICE IN SHREVEPORT HAS ISSUED A SIGNIFICANT
WEATHER ADVISORY...EFFECTIVE UNTIL 415 PM CDT...FOR THE FOLLOWING
PARISH...
IN NORTH CENTRAL LOUISIANA...
OUACHITA...
INCLUDING THE FOLLOWING LOCATIONS...
SWARTZ...
AT 323 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS WERE
DETECTING A STRONG THUNDERSTORM JUST NORTH OF SWARTZ...MOVING SOUTHEAST
AT 15 MPH.
WINDS 40 TO 50 MPH ARE EXPECTED WITH THIS STORM. SHOULD THIS STORM
INTENSIFY...A SEVERE THUNDERSTORM WARNING WILL BE NEEDED.
15The office that day
Everything else NWS Shreveport, LA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 8, 10:42 PM CDT | Severe Thunderstorm Warning | SHV | Bowie, Red River | 63 min |
| Aug 9, 6:45 PM CDT | Severe Thunderstorm Warning | SHV | Red River | 24 min |
| Aug 9, 6:10 PM CDT | Severe Thunderstorm Warning | SHV | Claiborne, Webster | 65 min |
| Aug 8, 9:45 PM CDT | Severe Thunderstorm Warning | SHV | Little River, Sevier | 60 min |
| Aug 8, 10:24 PM CDT | Severe Thunderstorm Warning | SHV | Little River, Sevier | 66 min |
| Aug 9, 10:20 AM CDT | Areal Flood Advisory | SHV | Hempstead, Howard, Sevier | 3 hr |
| Aug 9, 11:21 AM CDT | Flash Flood Warning | SHV | Hempstead, Howard, Sevier | 3 hr |
| Aug 9, 2:19 PM CDT | Areal Flood Warning | SHV | Hempstead, Howard, Sevier | 3 hr |
Nearby
Severe Thunderstorm Warnings in Louisiana, 2014Every severe thunderstorm warning in 2014
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.