Alert archive / Mississippi / Severe Thunderstorm Warnings in 2024
Severe Thunderstorm Warning 230, NWS Jackson, MS
NWS Jackson, MS issued this severe thunderstorm warning at Aug 3, 2024, 12:06 PM CDT for Franklin County, Mississippi. It was in force for 24 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 3, 2024, 12:06 PM CDT (17:06 UTC)
- Expired
- Aug 3, 2024, 12:30 PM CDT
- In force
- 24 min
- Issued by
- NWS Jackson, MS
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
County Franklin County, MS
The radar
The Hammond radar (KHDC), 116 km from the middle of the area, began a volume at 17:11 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
Slidell Radar S, LA (KSIL), launched 12:00Z, 5.1 hours before the alert went out and 178 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
- 2235 J/kg
- Mixed-layer CIN
- -21 J/kg
- Mixed-layer LCL
- 1059 m above ground
- 0-6 km bulk shear
- 9 kt
- 0-1 km storm-relative helicity
- 12 m²/s²
- 0-3 km storm-relative helicity
- -9 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 Jackson, MS wrote its last area forecast discussion before this severe thunderstorm warning went out at Aug 2, 6:35 PM CDT, 17 hours 31 minutes earlier.
Area forecast discussion, Aug 2, 6:35 PM CDT, 17 hours 31 minutes before
Area Forecast Discussion
National Weather Service Jackson MS
635 PM CDT Fri Aug 2 2024
...New AVIATION...
.DISCUSSION...
Issued at 201 PM CDT Fri Aug 2 2024
Other than extreme heat, no significant weather impacts or
forecast concerns expected.
Large scale pattern not changing too much the next 7 days.
Large upper ridge centered over the central Rockies will move
very little but flatten with westerlies dipping into the central
Plains and western TN valley states. Troughing over the eastern
CONUS remains in place with a few shortwaves traveling through.
Shortwave trough moving slowly over the OH and TN valley tonight
and Saturday will drop heights aloft and weak wind shift/front
across at least northern part of CWA. With slightly cooler sfc
temps and moisture should avoid reaching heat advisory criteria
north of I-20 Saturday. Areas south should remain below warning
criteria.
Convection doing a good job avoiding CWA so far but do expect
isolated storms to eventually develop south over northern
counties, one or two of which could be strong, dissipating after
midnight. Another round of convection likely Saturday afternoon
along boundary which should end up south of I-20 mainly affecting
far southern counties. And other than some lingering isolated
storms Sunday afternoon in the far southern areas, the rest of the
week should remain dry with temps creeping back up as upper ridge
tries to build back in.
Atlantic basin and Gulf of Mexico becoming more active as
advisories now being issued on potential tropical cyclone 4,
expected to develop next 24 hours but remain well to our east
over the far eastern Gulf and Florida peninsula. Could see
additional activity develop much later in the period but
confidence extremely low.
SNELSON
&&
.AVIATION...
(00Z TAFS)
Issued at 635 PM CDT Fri Aug 2 2024
VFR conditions will prevail through the forecast period. Prior
forecast thinking still valid with threat for isolated/sct
shra/tsra shifting southward this evening to near the I-20
corridor. Light west sfc wind will diminish this evening then
shift to mostly north as we go into early Saturday. /EC/
&&
.PRELIMINARY POINT TEMPS/POPS...
Jackson 98 75 96 75 / 10 30 10 0
Meridian 100 74 98 73 / 10 20 10 10
Vicksburg 98 75 96 74 / 10 20 0 0
Hattiesburg 100 78 98 75 / 10 20 30 20
Natchez 97 76 96 74 / 0 20 10 10
Greenville 99 74 93 72 / 20 30 0 0
Greenwood 98 74 95 74 / 30 30 0 0
&&
.JAN WATCHES/WARNINGS/ADVISORIES...
MS...Excessive Heat Warning until 7 PM CDT this evening for MSZ018-
019-025>029-032-034>037-040>042-047-053-059>061.
Heat Advisory from 10 AM to 8 PM CDT Saturday for MSZ047>050-
053>066-072>074.
Heat Advisory until 7 PM CDT this evening for MSZ030-031-033-038-
039-043>046-048>052-054>058-062>066-072>074.
LA...Excessive Heat Warning until 7 PM CDT this evening for
LAZ007>009-015-016-023>026.
Heat Advisory from 10 AM to 8 PM CDT Saturday for LAZ015-016-
023>026.
AR...Excessive Heat Warning until 7 PM CDT this evening for ARZ074-
075.
&&
FFC/ECThe office that day
Everything else NWS Jackson, MS issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 2, 9:18 PM CDT | Special Weather Statement | JAN | Noxubee | 42 min |
| Aug 3, 2:29 AM CDT | Excessive Heat Warning | JAN | Adams | 18 hr |
| Aug 3, 11:29 AM CDT | Special Weather Statement | JAN | Franklin | 46 min |
Nearby
Severe Thunderstorm Warnings in Mississippi, 2024Every severe thunderstorm warning in 2024
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.