Alert archive / Mississippi / Severe Thunderstorm Warnings in 2024

Severe Thunderstorm Warning 20, NWS Jackson, MS

January 12, 2024Kemper County, Noxubee County, Mississippi

NWS Jackson, MS issued this severe thunderstorm warning at Jan 12, 2024, 9:30 AM CST for Kemper County, Noxubee County, Mississippi. It was in force for 60 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: Jan 12, 2024, 9:30 AM CST (15:30 UTC)
Expired: Jan 12, 2024, 10:30 AM CST
In force: 60 min
Issued by: NWS Jackson, MS
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

Counties Kemper County, MS, Noxubee County, MS

The radar

The Columbus AFB radar (KGWX), 110 km from the middle of the area, began a volume at 15:31 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
Jan 12, 3:57 AM CST	Tornado Watch	SPC	7 hr

The nearest sounding before it

Jackson, MS (KJAN), launched 12:00Z, 3.5 hours before the alert went out and 154 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.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 106 J/kg
Mixed-layer CIN: -64 J/kg
Mixed-layer LCL: 502 m above ground
0-6 km bulk shear: 94 kt
0-1 km storm-relative helicity: 576 m²/s²
0-3 km storm-relative helicity: 685 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 4.0

Open this sounding in Storm Lab

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 Jan 12, 8:49 AM CST, 41 minutes earlier.

Area forecast discussion, Jan 12, 8:49 AM CST, 41 minutes before

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In the hours before

Local storm report, Jan 12, 8:44 AM CST, 46 minutes before

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Local storm report, Jan 12, 8:50 AM CST, 40 minutes before

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Local storm report, Jan 12, 9:01 AM CST, 29 minutes before

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Local storm report, Jan 12, 9:10 AM CST, 20 minutes before

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Local storm report, Jan 12, 9:13 AM CST, 17 minutes before

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Local storm report, Jan 12, 9:16 AM CST, 14 minutes before

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The office that day

Everything else NWS Jackson, MS issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jan 12, 5:31 AM CST	Severe Thunderstorm Warning	JAN	Bolivar, Sunflower, Washington	59 min
Jan 12, 5:42 AM CST	Tornado Warning	JAN	Washington	48 min
Jan 12, 6:27 AM CST	Severe Thunderstorm Warning	JAN	Bolivar, Sunflower, Washington	63 min
Jan 12, 6:40 AM CST	Tornado Warning	JAN	Bolivar, Leflore, Sunflower	35 min
Jan 12, 6:50 AM CST	Severe Thunderstorm Warning	JAN	Grenada, Leflore	40 min
Jan 12, 6:56 AM CST	Tornado Warning	JAN	Humphreys, Issaquena, Sharkey, Yazoo	50 min
Jan 12, 7:16 AM CST	Severe Thunderstorm Warning	JAN	Holmes, Humphreys, Issaquena, Leflore, Sharkey, Sunflower and 3 more	59 min
Jan 12, 7:25 AM CST	Tornado Warning	JAN	Carroll, Holmes	50 min
Jan 12, 7:37 AM CST	Severe Thunderstorm Warning	JAN	Carroll, Grenada, Leflore, Montgomery	68 min
Jan 12, 7:51 AM CST	Severe Thunderstorm Warning	JAN	Attala, Carroll, Holmes, Madison, Yazoo	54 min
Jan 12, 8:07 AM CST	Severe Thunderstorm Warning	JAN	Choctaw, Montgomery, Webster	53 min
Jan 12, 8:23 AM CST	Severe Thunderstorm Warning	JAN	Claiborne, Hinds, Madison, Warren	52 min
Jan 12, 8:26 AM CST	Severe Thunderstorm Warning	JAN	Attala, Leake, Madison, Rankin, Scott, Simpson and 1 more	64 min
Jan 12, 8:31 AM CST	Severe Thunderstorm Warning	JAN	Copiah, Lawrence, Lincoln, Simpson	44 min
Jan 12, 8:47 AM CST	Severe Thunderstorm Warning	JAN	Choctaw, Clay, Oktibbeha, Winston	46 min
Jan 12, 8:59 AM CST	Severe Thunderstorm Warning	JAN	Kemper, Neshoba, Newton, Noxubee, Scott, Winston	61 min
Jan 12, 9:23 AM CST	Severe Thunderstorm Warning Considerable damage threat	JAN	Clay, Lowndes	52 min
Jan 12, 9:28 AM CST	Severe Thunderstorm Warning	JAN	Clarke, Jasper, Lauderdale, Newton	62 min
Jan 12, 2:37 PM CST	Winter Storm Watch	JAN	Adams, Attala, Bolivar, Carroll, Choctaw, Claiborne and 28 more	44 hr
Jan 12, 6:18 AM CST	Severe Thunderstorm Warning	JAN	East Carroll, Franklin, Madison, Richland, West Carroll	42 min
Jan 12, 6:03 AM CST	Severe Thunderstorm Warning	JAN	Ashley	42 min

Nearby

Severe Thunderstorm Warnings in Mississippi, 2024 Every 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.