Alert archive / Mississippi / Severe Thunderstorm Warnings in 2023
Severe Thunderstorm Warning 515, NWS Jackson, MS
NWS Jackson, MS issued this severe thunderstorm warning at Jul 16, 2023, 5:29 PM CDT for Claiborne County, Franklin County, Jefferson County, Mississippi; Tensas Parish, Louisiana. It was in force for 91 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
- Jul 16, 2023, 5:29 PM CDT (22:29 UTC)
- Expired
- Jul 16, 2023, 7:00 PM CDT
- In force
- 91 min
- Issued by
- NWS Jackson, MS
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Tensas Parish, LA, Claiborne County, MS, Franklin County, MS, Jefferson County, MS
The radar
The Jackson/Brandon,MS radar (KDGX), 114 km from the middle of the area, began a volume at 22:29 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 |
|---|---|---|---|
| Jul 16, 3:48 PM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
The nearest sounding before it
Shreveport, LA (KSHV), launched 12:00Z, 10.5 hours before the alert went out and 266 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
- 2900 J/kg
- Mixed-layer CIN
- -44 J/kg
- Mixed-layer LCL
- 941 m above ground
- 0-6 km bulk shear
- 27 kt
- 0-1 km storm-relative helicity
- 29 m²/s²
- 0-3 km storm-relative helicity
- 66 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 3.1
The office that day
Everything else NWS Jackson, MS issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 15, 7:34 PM CDT | Special Weather Statement | JAN | Yazoo | 26 min |
| Jul 15, 7:51 PM CDT | Severe Thunderstorm Warning | JAN | Holmes, Humphreys, Yazoo | 39 min |
| Jul 15, 8:19 PM CDT | River Flood Warning | JAN | Attala | 35 hr |
| Jul 15, 8:45 PM CDT | Special Weather Statement | JAN | Madison, Yazoo | 75 min |
| Jul 15, 8:53 PM CDT | Severe Thunderstorm Warning | JAN | Hinds, Madison, Yazoo | 52 min |
| Jul 15, 9:41 PM CDT | Special Weather Statement | JAN | Copiah, Rankin, Simpson | 64 min |
| Jul 16, 8:43 AM CDT | Special Weather Statement | JAN | Lawrence | 62 min |
| Jul 16, 3:05 PM CDT | Heat Advisory | JAN | Adams, Bolivar, Claiborne, Copiah, Covington, Forrest and 21 more | 29 hr |
| Jul 16, 4:47 PM CDT | Severe Thunderstorm Warning | JAN | Adams | 73 min |
| Jul 16, 5:21 PM CDT | Special Weather Statement | JAN | Franklin | 24 min |
| Jul 16, 5:43 PM CDT | Severe Thunderstorm Warning | JAN | Claiborne, Warren | 62 min |
| Jul 16, 6:25 PM CDT | Severe Thunderstorm Warning | JAN | Copiah, Lincoln | 80 min |
| Jul 15, 7:32 PM CDT | Special Weather Statement | JAN | Morehouse, Richland, West Carroll | 28 min |
| Jul 16, 4:04 PM CDT | Special Weather Statement | JAN | Concordia | 26 min |
| Jul 16, 4:12 PM CDT | Special Weather Statement | JAN | Franklin, Morehouse, Richland | 33 min |
| Jul 16, 4:34 PM CDT | Severe Thunderstorm Warning | JAN | Franklin, Morehouse, Richland | 71 min |
| Jul 16, 4:36 PM CDT | Severe Thunderstorm Warning | JAN | Catahoula, Concordia | 69 min |
| Jul 16, 4:27 PM CDT | Special Weather Statement | JAN | Ashley | 78 min |
Nearby
Severe Thunderstorm Warnings in Mississippi, 2023Severe Thunderstorm Warnings in Louisiana, 2023Every severe thunderstorm warning in 2023
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.