Alert archive / Louisiana / Severe Thunderstorm Watches in 1997
Severe Thunderstorm Watch 24
The Storm Prediction Center issued this severe thunderstorm watch at Jan 23, 1997, 7:15 PM CST for 12 counties in Arkansas; 20 parishes in Louisiana; 4 counties in Mississippi. It was in force for 6 hr.
The area
The outline as issued.
The facts
- Issued
- Jan 23, 1997, 7:15 PM CST (01:15 UTC)
- Expired
- Jan 24, 1997, 1:00 AM CST
- In force
- 6 hr
- Issued by
- the Storm Prediction Center
All 36 counties
Ashley County, AR, Bradley County, AR, Calhoun County, AR, Chicot County, AR, Columbia County, AR, Drew County, AR, Hempstead County, AR, Lafayette County, AR, Miller County, AR, Nevada County, AR, Ouachita County, AR, Union County, AR, Bienville Parish, LA, Bossier Parish, LA, Caddo Parish, LA, Caldwell Parish, LA, Claiborne Parish, LA, De Soto Parish, LA, East Carroll Parish, LA, Franklin Parish, LA, Jackson Parish, LA, Lincoln Parish, LA, Madison Parish, LA, Morehouse Parish, LA, Ouachita Parish, LA, Red River Parish, LA, Richland Parish, LA, Tensas Parish, LA, Union Parish, LA, Webster Parish, LA, West Carroll Parish, LA, Winn Parish, LA, Claiborne County, MS, Issaquena County, MS, Jefferson County, MS, Washington County, MS
The radar
The Shreveport radar (KSHV), 126 km from the middle of the area, began a volume at 01:16 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.
Warnings issued inside it
10 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jan 23, 7:28 PM CST | Severe Thunderstorm Warning | SHV | De Soto | 32 min |
| Jan 23, 7:57 PM CST | Severe Thunderstorm Warning | SHV | De Soto | 48 min |
| Jan 23, 8:09 PM CST | Severe Thunderstorm Warning | SHV | Red River | 51 min |
| Jan 23, 8:20 PM CST | Severe Thunderstorm Warning | SHV | Bienville | 40 min |
| Jan 23, 9:00 PM CST | Severe Thunderstorm Warning | SHV | Jackson | 60 min |
| Jan 23, 9:30 PM CST | Severe Thunderstorm Warning | SHV | Ouachita | 30 min |
| Jan 23, 9:51 PM CST | Severe Thunderstorm Warning | JAN | Richland, West Carroll | 54 min |
| Jan 23, 10:26 PM CST | Severe Thunderstorm Warning | JAN | East Carroll, West Carroll | 49 min |
| Jan 23, 10:39 PM CST | Severe Thunderstorm Warning | JAN | Madison | 51 min |
| Jan 23, 10:51 PM CST | Severe Thunderstorm Warning | JAN | Issaquena | 39 min |
The nearest sounding before it
Shreveport, LA (KSHV), launched 00:00Z, 1.3 hours before the alert went out and 117 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
- 496 m above ground
- 0-6 km bulk shear
- 48 kt
- 0-1 km storm-relative helicity
- 307 m²/s²
- 0-3 km storm-relative helicity
- 470 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.3
The text
The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jan 24, 4:00 AM CST | Tornado Watch | SPC | Ascension, Assumption, Jefferson, Lafourche, Livingston, Orleans and 10 more | 6 hr |
| Jan 24, 3:30 PM CST | Tornado Watch | SPC | Choctaw, Clay, Itawamba, Kemper, Leake, Lee and 8 more | 7 hr |
| Jan 24, 4:45 PM CST | Tornado Watch | SPC | George, Harrison, Jackson | 6 hr |
Nearby
Severe Thunderstorm Watches in Louisiana, 1997Severe Thunderstorm Watches in Arkansas, 1997Severe Thunderstorm Watches in Mississippi, 1997Every severe thunderstorm watch in 1997
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.