Alert archive / Mississippi / Severe Thunderstorm Warnings in 2022

Severe Thunderstorm Warning 348, NWS Jackson, MS

October 12, 20224 counties in Mississippi

NWS Jackson, MS issued this severe thunderstorm warning at Oct 12, 2022, 4:53 PM CDT for 4 counties in Mississippi. It was in force for 38 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
Oct 12, 2022, 4:53 PM CDT (21:53 UTC)
Expired
Oct 12, 2022, 5:31 PM CDT
In force
38 min
Issued by
NWS Jackson, MS
Area
Storm-based polygon
Hail
1.25 in
Wind
60.0 mph

Counties Leake County, MS, Neshoba County, MS, Newton County, MS, Scott County, MS

The radar

The Jackson/Brandon,MS radar (KDGX), 70 km from the middle of the area, began a volume at 21:52 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, 9.9 hours before the alert went out and 76 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-pSkew-T log-p diagram, Jackson, MS at 12:00Z on 2022-10-12Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 190 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Jackson, MS at 12:00Z on 2022-10-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 106 square meters per square second.1939587897Sfc1 km3 km6 km9 kmRMLM
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
190 J/kg
Mixed-layer CIN
-207 J/kg
Mixed-layer LCL
1165 m above ground
0-6 km bulk shear
42 kt
0-1 km storm-relative helicity
106 m²/s²
0-3 km storm-relative helicity
140 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.2

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 Oct 12, 3:15 PM CDT, 1 hour 38 minutes earlier.

Area forecast discussion, Oct 12, 3:15 PM CDT, 1 hour 38 minutes before
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Hazardous weather outlook, Oct 12, 3:01 PM CDT, 1 hour 52 minutes before
Hazardous Weather Outlook
National Weather Service Jackson MS
301 PM CDT Wed Oct 12 2022

ARZ074-075-LAZ007>009-015-016-023-MSZ018-019-025>052-131000-
Ashley-Chicot-Morehouse-West Carroll-East Carroll-Richland-
Madison LA-Franklin LA-Bolivar-Sunflower-Leflore-Grenada-Carroll-
Montgomery-Webster-Clay-Lowndes-Choctaw-Oktibbeha-Washington-
Humphreys-Holmes-Attala-Winston-Noxubee-Issaquena-Sharkey-Yazoo-
Madison MS-Leake-Neshoba-Kemper-Warren-Hinds-Rankin-Scott-Newton-
Lauderdale-
301 PM CDT Wed Oct 12 2022

This hazardous weather outlook is for portions of southeast
Arkansas, northeast Louisiana, central Mississippi, and north
central Mississippi.

.DAY ONE...Tonight and Thursday...

SEVERE THUNDERSTORMS
THREAT...Slight
TIMING...The rest of this afternoon through tonight

The rest of this afternoon through tonight, severe thunderstorms
are possible. Some thunderstorms could produce damaging winds
between 60 and 70 mph and quarter size hail. A tornado cannot be
ruled out.

(https://www.weather.gov/images/jan/graphicast/1.png)

.DAYS TWO THROUGH SEVEN...Thursday night through Tuesday...

The probability for widespread hazardous weather is low.

.SPOTTER CALL TO ACTION STATEMENT...
The activation of storm spotters, HAM radio operators, and
emergency management personnel in support of severe weather
operations may be needed for portions of the region remainder
of the afternoon through tonight.

LAZ024>026-MSZ053>066-072>074-131000-
Catahoula-Tensas-Concordia-Claiborne-Copiah-Simpson-Smith-Jasper-
Clarke-Jefferson-Adams-Franklin MS-Lincoln-Lawrence-
Jefferson Davis-Covington-Jones-Marion-Lamar-Forrest-
301 PM CDT Wed Oct 12 2022

This hazardous weather outlook is for portions of northeast
Louisiana, central Mississippi, east central Mississippi, and
south central Mississippi.

.DAY ONE...Tonight and Thursday...

SEVERE THUNDERSTORMS
THREAT...Marginal
TIMING...The rest of this afternoon through tonight

The rest of this afternoon through tonight, isolated severe
thunderstorms are possible. Some thunderstorms could produce
damaging wind gusts and hail up to quarter size. A tornado cannot
be ruled out.

(https://www.weather.gov/images/jan/graphicast/1.png)

.DAYS TWO THROUGH SEVEN...Thursday night through Tuesday..

The probability for widespread hazardous weather is low.

.SPOTTER CALL TO ACTION STATEMENT...
The activation of storm spotters, HAM radio operators, and
emergency management personnel in support of severe weather
operations may be needed for portions of the region remainder
of the afternoon through tonight.

19

&&

...HAZARD LEGEND...

*SEVERE THUNDERSTORMS*
High...Significant severe thunderstorms and tornadoes are
 likely with strong or violent tornadoes possible.
Moderate...Significant severe thunderstorms and tornadoes are
 likely with strong tornadoes possible.
Enhanced...Severe thunderstorms are likely and tornadoes are
 possible.
Slight...Severe thunderstorms and tornadoes are possible.
Marginal...Isolated severe thunderstorms are possible.

...USEFUL WEATHER WEB PAGES (URLS)...

NWS JAN Home page...
   https://www.weather.gov/jan
Stay Aware, Stay Safe NWS JAN Briefing Page...
   https://www.weather.gov/jan/safe
Latest Weather Briefing...
   https://www.weather.gov/jan/weather_briefing

Tropical page...
   https://www.weather.gov/srh/tropical?office=jan
National Hurricane Center Home Page...
   https://www.nhc.noaa.gov/
Find NWS JAN on Facebook...
   https://www.facebook.com/NWSJacksonMS
Follow NWS JAN on Twitter...
   @NWSJacksonMS
Follow NWS JAN on Youtube...
   https://www.youtube.com/user/NWSJacksonMiss

...ADDITIONAL URLS FOR SEVERE WEATHER ISSUES...

Storm Prediction Center (SPC)...
   https://www.spc.noaa.gov/
Meso Analysis...
   https://www.spc.noaa.gov/exper/mesoanalysis/
Day 1 through 3 Outlooks...
   https://www.spc.noaa.gov/products/outlook/
Storm Reports...
   https://www.spc.noaa.gov/climo/online/

In the hours before

Special weather statement, Oct 12, 3:25 PM CDT, 1 hour 28 minutes before
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Special weather statement, Oct 12, 4:22 PM CDT, 31 minutes before
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Special weather statement, Oct 12, 4:48 PM CDT, 5 minutes before
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Special weather statement, Oct 12, 4:50 PM CDT, 3 minutes before
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Local storm report, Oct 12, 4:51 PM CDT, 2 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Oct 12, 9:44 AM CDTSpecial Weather StatementJANClarke31 min
Oct 12, 9:45 AM CDTSpecial Weather StatementJANNoxubee30 min
Oct 12, 11:56 AM CDTFlash Flood WarningJANClarke, Lauderdale74 min
Oct 12, 3:25 PM CDTSpecial Weather StatementJANBolivar50 min
Oct 12, 3:41 PM CDTSevere Thunderstorm WarningJANBolivar, Sunflower49 min
Oct 12, 4:22 PM CDTSpecial Weather StatementJANScott38 min
Oct 12, 4:30 PM CDTSevere Thunderstorm Warning Considerable damage threatJANGrenada, Leflore, Sunflower45 min
Oct 12, 4:48 PM CDTSpecial Weather StatementJANLeake27 min
Oct 12, 4:50 PM CDTSpecial Weather StatementJANScott25 min
Oct 12, 4:54 PM CDTSevere Thunderstorm WarningJANNewton, Scott51 min
Oct 12, 5:03 PM CDTSevere Thunderstorm Warning Considerable damage threatJANCarroll, Grenada, Leflore42 min
Oct 12, 5:05 PM CDTSevere Thunderstorm WarningJANLeake, Neshoba25 min
Oct 12, 5:28 PM CDTSevere Thunderstorm WarningJANCarroll, Grenada, Leflore27 min
Oct 12, 5:53 PM CDTSevere Thunderstorm WarningJANNewton37 min
Oct 12, 6:25 PM CDTSevere Thunderstorm WarningJANClarke, Jasper, Lauderdale, Newton35 min
Oct 12, 6:44 PM CDTSpecial Weather StatementJANJefferson46 min
Oct 12, 6:49 PM CDTSevere Thunderstorm WarningJANFranklin, Jefferson20 min
Oct 12, 6:58 PM CDTSevere Thunderstorm WarningJANClarke, Lauderdale16 min
Oct 12, 6:42 PM CDTSpecial Weather StatementJANCatahoula48 min
Oct 12, 6:32 PM CDTSpecial Weather StatementJANAshley43 min

Nearby

Severe Thunderstorm Warnings in Mississippi, 2022Every severe thunderstorm warning in 2022

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.