Alert archive / Louisiana / Severe Thunderstorm Warnings in 1996
Severe Thunderstorm Warning 428, NWS Jackson, MS
NWS Jackson, MS issued this severe thunderstorm warning at Nov 7, 1996, 8:38 AM CST for Catahoula Parish, Louisiana. It was in force for 52 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
- Nov 7, 1996, 8:38 AM CST (14:38 UTC)
- Expired
- Nov 7, 1996, 9:30 AM CST
- In force
- 52 min
- Issued by
- NWS Jackson, MS
- Area
- Whole counties
County Catahoula Parish, LA
The radar
The Ft Polk radar (KPOE), 121 km from the middle of the area, began a volume at 14:39 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
Jackson, MS (KJAN), launched 12:00Z, 2.6 hours before the alert went out and 182 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
- 1058 J/kg
- Mixed-layer CIN
- -3 J/kg
- Mixed-layer LCL
- 627 m above ground
- 0-6 km bulk shear
- 45 kt
- 0-1 km storm-relative helicity
- 200 m²/s²
- 0-3 km storm-relative helicity
- 223 m²/s²
- Significant tornado parameter
- 1.2
- Supercell composite
- 5.9
The text
The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.
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.
In the hours before
Special weather statement, Nov 7, 4:30 AM CST, 4 hours 8 minutes before
MSZ001>082-071630- MISSISSIPPI THUNDERSTORM OUTLOOK NATIONAL WEATHER SERVICE JACKSON MS 430 AM CST THU NOV 7 1996 ...SEVERE THUNDERSTORMS POSSIBLE WEST THIS MORNING...EAST BY AFTERNOON INCREASING SOUTHERLY WINDS WERE SETTING THE STAGE FOR STRONG THUNDER- STORM DEVELOPMENT EARLY TODAY. A DESTABLIZING ATMOSPHERE AND A RAPIDLY APPROACHING UPPER LEVEL DISTURBANCE WILL COMBINE WITH STRONG LOW LEVEL WIND FIELDS TO CREATE FAVORABLE CONDITIONS FOR SEVERE THUNDERSTORMS. A LINE OF THUNDERSTORMS IN WESTERN LOUISIANA WILL PROGRESS EASTWARD TO NEAR THE MISSISSIPPI RIVER BETWEEN 900 AM AND NOON. THESE STORMS HAVE ALREADY REQUIRED SEVERE WEATHER WATCHES TO BE POSTED WEST OF THE MAGNOLIA STATE. LOCALIZED FLOOD-PRODUCING RAINS ARE POSSIBLE MAINLY FOR NORTHERN COUNTIES. HOWEVER...DAMAGING WINDS INCLUDING ISOLATED TORNADOES ARE THE MOST LIKELY THREAT OF SEVERE WEATHER AS THE SYSTEM CROSSES INTO EAST MISSISSIPPI THIS AFTERNOON. RESIDENTS SHOULD LISTEN FOR LATER WATCHES...WARNINGS AND STATEMENTS ON THIS STORM SYSTEM. ACTIVATION OF EMERGENCY MANAGEMENT...STORM SPOTTERS AND HAM RADIO PERSONNEL WILL LIKELY BE REQUIRED ANY TIME AFTER SUNRISE.
Special weather statement, Nov 7, 4:44 AM CST, 3 hours 54 minutes before
MSZ001>082-071630- MISSISSIPPI THUNDERSTORM OUTLOOK NATIONAL WEATHER SERVICE JACKSON MS 430 AM CST THU NOV 7 1996 ...SEVERE THUNDERSTORMS POSSIBLE WEST THIS MORNING...EAST BY AFTERNOON INCREASING SOUTHERLY WINDS WERE SETTING THE STAGE FOR STRONG THUNDER- STORM DEVELOPMENT EARLY TODAY. A DESTABLIZING ATMOSPHERE AND A RAPIDLY APPROACHING UPPER LEVEL DISTURBANCE WILL COMBINE WITH STRONG LOW LEVEL WIND FIELDS TO CREATE FAVORABLE CONDITIONS FOR SEVERE THUNDERSTORMS. A LINE OF THUNDERSTORMS IN WESTERN LOUISIANA WILL PROGRESS EASTWARD TO NEAR THE MISSISSIPPI RIVER BETWEEN 900 AM AND NOON. THESE STORMS HAVE ALREADY REQUIRED SEVERE WEATHER WATCHES TO BE POSTED WEST OF THE MAGNOLIA STATE. LOCALIZED FLOOD-PRODUCING RAINS ARE POSSIBLE MAINLY FOR NORTHERN COUNTIES. HOWEVER...DAMAGING WINDS INCLUDING ISOLATED TORNADOES ARE THE MOST LIKELY THREAT OF SEVERE WEATHER AS THE SYSTEM CROSSES INTO EAST MISSISSIPPI THIS AFTERNOON. RESIDENTS SHOULD LISTEN FOR LATER WATCHES...WARNINGS AND STATEMENTS ON THIS STORM SYSTEM. ACTIVATION OF EMERGENCY MANAGEMENT...STORM SPOTTERS AND HAM RADIO PERSONNEL WILL LIKELY BE REQUIRED ANY TIME AFTER SUNRISE.
The office that day
Everything else NWS Jackson, MS issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Nov 7, 7:35 AM CST | Severe Thunderstorm Warning | JAN | Bolivar | 40 min |
| Nov 7, 8:41 AM CST | Severe Thunderstorm Warning | JAN | Bolivar, Sunflower, Washington | 49 min |
| Nov 7, 9:57 AM CST | Severe Thunderstorm Warning | JAN | Claiborne, Warren | 63 min |
| Nov 7, 9:57 AM CST | Severe Thunderstorm Warning | JAN | Adams, Jefferson | 63 min |
| Nov 7, 10:01 AM CST | Severe Thunderstorm Warning | JAN | Humphreys, Sharkey, Yazoo | 44 min |
| Nov 7, 10:43 AM CST | Severe Thunderstorm Warning | JAN | Holmes, Yazoo | 47 min |
| Nov 7, 11:02 AM CST | Severe Thunderstorm Warning | JAN | Winston | 43 min |
| Nov 7, 11:04 AM CST | Severe Thunderstorm Warning | JAN | Copiah, Hinds | 41 min |
| Nov 7, 12:06 PM CST | Tornado Warning | JAN | Noxubee | 39 min |
| Nov 7, 12:26 PM CST | Severe Thunderstorm Warning | JAN | Simpson | 49 min |
| Nov 7, 12:54 PM CST | Tornado Warning | JAN | Smith | 36 min |
| Nov 7, 1:34 PM CST | Tornado Warning | JAN | Marion | 26 min |
| Nov 7, 1:57 PM CST | Tornado Warning | JAN | Covington, Jefferson Davis, Lamar | 33 min |
| Nov 7, 2:01 PM CST | Severe Thunderstorm Warning | JAN | Kemper, Lauderdale | 44 min |
| Nov 7, 2:08 PM CST | Severe Thunderstorm Warning | JAN | Clarke, Lauderdale | 37 min |
| Nov 7, 2:10 PM CST | Severe Thunderstorm Warning | JAN | Noxubee | 35 min |
| Nov 7, 2:45 PM CST | Severe Thunderstorm Warning | JAN | Lauderdale | 30 min |
| Nov 7, 3:14 PM CST | Severe Thunderstorm Warning | JAN | Forrest | 31 min |
| Nov 7, 8:26 AM CST | Severe Thunderstorm Warning | JAN | Franklin, Richland | 49 min |
| Nov 7, 8:57 AM CST | Severe Thunderstorm Warning | JAN | East Carroll, Madison | 48 min |
| Nov 7, 9:20 AM CST | Severe Thunderstorm Warning | JAN | Concordia, Tensas | 40 min |
Nearby
Severe Thunderstorm Warnings in Louisiana, 1996Every severe thunderstorm warning in 1996
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.