Alert archive / Mississippi / Severe Thunderstorm Warnings in 1996
Severe Thunderstorm Warning 249, NWS New Orleans, LA
NWS New Orleans, LA issued this severe thunderstorm warning at Dec 29, 1996, 8:29 AM CST for Hancock County, Harrison County, Mississippi. It was in force for 31 min. 2 reports came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- Dec 29, 1996, 8:29 AM CST (14:29 UTC)
- Expired
- Dec 29, 1996, 9:00 AM CST
- In force
- 31 min
- Issued by
- NWS New Orleans, LA
- Area
- Whole counties
Counties Hancock County, MS, Harrison County, MS
The radar
The Mobile radar (KMOB), 104 km from the middle of the area, began a volume at 14:33 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Dec 29, 8:35 AM CST | Thunderstorm Wind 52 | Kiln, MS | |
| Dec 29, 9:02 AM CST | Thunderstorm Wind 45 | Gulfport, MS |
NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.
The nearest sounding before it
Jackson, MS (KJAN), launched 12:00Z, 2.5 hours before the alert went out and 226 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
- 542 J/kg
- Mixed-layer CIN
- -40 J/kg
- Mixed-layer LCL
- 636 m above ground
- 0-6 km bulk shear
- 26 kt
- 0-1 km storm-relative helicity
- 101 m²/s²
- 0-3 km storm-relative helicity
- 86 m²/s²
- Significant tornado parameter
- 0.2
- Supercell composite
- 1.4
The text
The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.
The office that day
Everything else NWS New Orleans, LA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 29, 6:36 AM CST | Severe Thunderstorm Warning | LIX | Assumption, Lafourche | 69 min |
| Dec 29, 9:16 AM CST | Severe Thunderstorm Warning | LIX | Saint Bernard | 29 min |
| Dec 29, 7:24 AM CST | Severe Thunderstorm Warning | LIX | Pearl River | 66 min |
| Dec 29, 8:58 AM CST | Severe Thunderstorm Warning | LIX | Harrison | 32 min |
| Dec 29, 9:26 AM CST | Severe Thunderstorm Warning | LIX | Amite | 34 min |
Nearby
Severe Thunderstorm Warnings in Mississippi, 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.