Alert archive / Mississippi / Severe Thunderstorm Warnings in 2023

Severe Thunderstorm Warning 524, NWS Jackson, MS

July 22, 2023Forrest County, Lamar County, Marion County, Mississippi

NWS Jackson, MS issued this severe thunderstorm warning at Jul 22, 2023, 1:44 PM CDT for Forrest County, Lamar County, Marion County, Mississippi. It was in force for 61 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 22, 2023, 1:44 PM CDT (18:44 UTC)
Expired
Jul 22, 2023, 2:45 PM CDT
In force
61 min
Issued by
NWS Jackson, MS
Area
Storm-based polygon
Hail
0.88 in
Wind
60.0 mph

Counties Forrest County, MS, Lamar County, MS, Marion County, MS

The nearest sounding before it

Jackson, MS (KJAN), launched 12:00Z, 6.7 hours before the alert went out and 134 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 2023-07-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2243 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 2023-07-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 79 square meters per square second.1939Sfc1 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
2243 J/kg
Mixed-layer CIN
-47 J/kg
Mixed-layer LCL
945 m above ground
0-6 km bulk shear
29 kt
0-1 km storm-relative helicity
79 m²/s²
0-3 km storm-relative helicity
120 m²/s²
Significant tornado parameter
0.9
Supercell composite
4.5

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 Jul 22, 1:22 PM CDT, 22 minutes earlier.

Area forecast discussion, Jul 22, 1:22 PM CDT, 22 minutes before
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Hazardous weather outlook, Jul 22, 12:26 PM CDT, 1 hour 18 minutes before
Hazardous Weather Outlook
National Weather Service Jackson MS
1226 PM CDT Sat Jul 22 2023

ARZ074-075-LAZ007>009-015-016-MSZ018-019-025>047-050-231730-
Ashley-Chicot-Morehouse-West Carroll-East Carroll-Richland-
Madison 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-Scott-
1226 PM CDT Sat Jul 22 2023

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

.DAY ONE...The rest of Today and Tonight

The probability for widespread hazardous weather is low.

.DAYS TWO THROUGH SEVEN...Sunday through Friday

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 is not expected through next Friday.

LAZ023-MSZ048-231730-
Franklin LA-Hinds-
1226 PM CDT Sat Jul 22 2023

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

.DAY ONE...The rest of Today and Tonight

DANGEROUS HEAT
THREAT...Limited
TIMING...Remainder of today

Remainder of today, caution is advised for possible dangerous
heat as heat index values peak near 105 degrees. Heat exhaustion
will be possible with outdoor activity.

(https://www.weather.gov/images/jan/graphicast/3.png)

.DAYS TWO THROUGH SEVEN...Sunday through Friday

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 is not expected through next Friday.

LAZ025-MSZ049-053-055>057-231730-
Tensas-Rankin-Claiborne-Simpson-Smith-Jasper-
1226 PM CDT Sat Jul 22 2023

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

.DAY ONE...The rest of Today and Tonight

SEVERE THUNDERSTORMS
THREAT...Marginal
TIMING...Remainder of today through evening

DANGEROUS HEAT
THREAT...Limited
TIMING...Remainder of today

Remainder of today through evening, isolated severe thunderstorms
are possible. Some thunderstorms could produce damaging wind
gusts and hail up to quarter size.

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

Remainder of today, caution is advised for possible dangerous
heat as heat index values peak near 105 degrees. Heat exhaustion
will be possible with outdoor activity.

(https://www.weather.gov/images/jan/graphicast/3.png)

.DAYS TWO THROUGH SEVEN...Sunday through Friday

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 rest of
today through tonight.

MSZ051-052-231730-
Newton-Lauderdale-
1226 PM CDT Sat Jul 22 2023

This hazardous weather outlook is for portions of east central
Mississippi.

.DAY ONE...The rest of Today and Tonight

SEVERE THUNDERSTORMS
THREAT...Marginal
TIMING...Remainder of today through evening

Remainder of today through evening, isolated severe thunderstorms
are possible. Some thunderstorms could produce damaging wind
gusts and hail up to quarter size.

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

.DAYS TWO THROUGH SEVEN...Sunday through Friday

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 rest of
today through tonight.

LAZ024-MSZ054-059-062-063-231730-
Catahoula-Copiah-Jefferson-Lincoln-Lawrence-
1226 PM CDT Sat Jul 22 2023

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

.DAY ONE...The rest of Today and Tonight

SEVERE THUNDERSTORMS
THREAT...Marginal
TIMING...Remainder of today through evening

DANGEROUS HEAT
THREAT...Elevated
TIMING...Remainder of today

Remainder of today through evening, isolated severe thunderstorms
are possible. Some thunderstorms could produce damaging wind
gusts and hail up to quarter size.

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

Remainder of today, dangerous heat likely with peak heat index
values ranging from 106 to 110 degrees. Heat exhaustion will be
likely with outdoor activity.

(https://www.weather.gov/images/jan/graphicast/3.png)

.DAYS TWO THROUGH SEVEN...Sunday through Friday

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 rest of
today through tonight.

LAZ026-MSZ060-061-231730-
Concordia-Adams-Franklin MS-
1226 PM CDT Sat Jul 22 2023

This hazardous weather outlook is for portions of northeast
Louisiana, and southwest Mississippi.

.DAY ONE...The rest of Today and Tonight

SEVERE THUNDERSTORMS
THREAT...Marginal
TIMING...Remainder of today through evening

DANGEROUS HEAT
THREAT...Significant
TIMING...Remainder of today

Remainder of today through evening, isolated severe thunderstorms
are possible. Some thunderstorms could produce damaging wind
gusts and hail up to quarter size.

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

Remainder of today, dangerous heat expected with peak heat values
around 110 degrees. Heat stroke will be a significant concern
with outdoor activity.

(https://www.weather.gov/images/jan/graphicast/3.png)

.DAYS TWO THROUGH SEVEN...Sunday through Friday

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 rest of
today through tonight.

MSZ058-231730-
Clarke-
1226 PM CDT Sat Jul 22 2023

This hazardous weather outlook is for portions of east central
Mississippi.

.DAY ONE...The rest of Today and Tonight

SEVERE THUNDERSTORMS
THREAT...Marginal
TIMING...Remainder of today through evening

FLOODING
THREAT...Limited
TIMING...Remainder of today through evening

DANGEROUS HEAT
THREAT...Limited
TIMING...Remainder of today

Remainder of today through evening, isolated severe thunderstorms
are possible. Some thunderstorms could produce damaging wind
gusts and hail up to quarter size.

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

Remainder of today through evening, localized flash flooding is
possible, particularly in low lying and urban areas.

(https://www.weather.gov/images/jan/graphicast/2.png)

Remainder of today, caution is advised for possible dangerous
heat as heat index values peak near 105 degrees. Heat exhaustion
will be possible with outdoor activity.

(https://www.weather.gov/images/jan/graphicast/3.png)

.DAYS TWO THROUGH SEVEN...Sunday through Friday

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 rest of
today through tonight.

MSZ064-065-231730-
Jefferson Davis-Covington-
1226 PM CDT Sat Jul 22 2023

This hazardous weather outlook is for portions of south central
Mississippi, and southeast Mississippi.

.DAY ONE...The rest of Today and Tonight

SEVERE THUNDERSTORMS
THREAT...Marginal
TIMING...Remainder of today through evening

FLOODING
THREAT...Limited
TIMING...Remainder of today through evening

DANGEROUS HEAT
THREAT...Elevated
TIMING...Remainder of today

Remainder of today through evening, isolated severe thunderstorms
are possible. Some thunderstorms could produce damaging wind
gusts and hail up to quarter size.

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

Remainder of today through evening, localized flash flooding is
possible, particularly in low lying and urban areas.

(https://www.weather.gov/images/jan/graphicast/2.png)

Remainder of today, dangerous heat likely with peak heat index
values ranging from 106 to 110 degrees. Heat exhaustion will be
likely with outdoor activity.

(https://www.weather.gov/images/jan/graphicast/3.png)

.DAYS TWO THROUGH SEVEN...Sunday through Friday

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 rest of
today through tonight.

MSZ066-231730-
Jones-
1226 PM CDT Sat Jul 22 2023

This hazardous weather outlook is for portions of southeast
Mississippi.

.DAY ONE...The rest of Today and Tonight

SEVERE THUNDERSTORMS
THREAT...Slight
TIMING...Remainder of today through evening

FLOODING
THREAT...Limited
TIMING...Remainder of today through evening

DANGEROUS HEAT
THREAT...Elevated
TIMING...Remainder of today

Remainder of today through evening, severe thunderstorms are
possible. Some thunderstorms could produce damaging winds to
60 to 70 mph and quarter size hail.

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

Remainder of today through evening, localized flash flooding is
possible, particularly in low lying and urban areas.

(https://www.weather.gov/images/jan/graphicast/2.png)

Remainder of today, dangerous heat likely with peak heat index
values ranging from 106 to 110 degrees. Heat exhaustion will be
likely with outdoor activity.

(https://www.weather.gov/images/jan/graphicast/3.png)

.DAYS TWO THROUGH SEVEN...Sunday through Friday

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 rest of
today through tonight.

MSZ072>074-231730-
Marion-Lamar-Forrest-
1226 PM CDT Sat Jul 22 2023

This hazardous weather outlook is for portions of south central
Mississippi, and southeast Mississippi.

.DAY ONE...The rest of Today and Tonight

SEVERE THUNDERSTORMS
THREAT...Slight
TIMING...Remainder of today through evening

FLOODING
THREAT...Limited
TIMING...Remainder of today through evening

DANGEROUS HEAT
THREAT...Significant
TIMING...Remainder of today

Remainder of today through evening, severe thunderstorms are
possible. Some thunderstorms could produce damaging winds to
60 to 70 mph and quarter size hail.

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

Remainder of today through evening, localized flash flooding is
possible, particularly in low lying and urban areas.

(https://www.weather.gov/images/jan/graphicast/2.png)

Remainder of today, dangerous heat expected with peak heat values
around 110 degrees. Heat stroke will be a significant concern
with outdoor activity.

(https://www.weather.gov/images/jan/graphicast/3.png)

.DAYS TWO THROUGH SEVEN...Sunday through Friday

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 rest of
today through tonight.

23

&&

...HAZARD LEGEND...

*DANGEROUS HEAT*
Extreme...Extreme heat is expected with peak heat index values
 in excess of 110 degrees for multiple days. Heat stroke continues
 to be a major concern.
Significant...Dangerous heat expected with peak heat index values
 in excess of 110 degrees. Heat stroke will be a significant
 concern.
Elevated...Dangerous heat likely with peak heat index values
 ranging from 106 to 110 degrees. Heat exhaustion will be likely.
Limited...Caution is advised for possible dangerous heat as
 heat index values peak near 105 degrees. Heat exhaustion will
 be possible.

*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.

*FLOODING*
Extreme...Widespread and significant flooding is likely.
Significant...Widespread flash flooding is likely
 and significant flooding is possible.
Elevated...Areas of flash flooding likely.
Limited...Localized flash flooding is 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/
...ADDITIONAL URLS FOR FLOODING ISSUES...

Current Watches and Warnings...
   https://www.weather.gov/jan/safe_HeavyRain

Observed Precipitation Images...
   https://www.weather.gov/jan/precipmaps

River Forecast Center...
   https://www.weather.gov/lmrfc/
Significant River Flood Outlook...
   https://www.wpc.ncep.noaa.gov/nationalfloodoutlook/index.html
Day 1 through 3 Excessive Rainfall...
   https://www.wpc.ncep.noaa.gov/qpf/excess_rain.shtml
Excessive Rainfall Discussion...
   https://www.wpc.ncep.noaa.gov/discussions/qpferd.html
Day 1 through 7 QPF...
   https://www.wpc.ncep.noaa.gov/qpf/qpf2.shtml
QPF Discussion...
   https://www.wpc.ncep.noaa.gov/discussions/qpfpfd.html

In the hours before

Special weather statement, Jul 22, 12:42 PM CDT, 1 hour 2 minutes before
Special Weather Statement
National Weather Service Jackson MS
1242 PM CDT Sat Jul 22 2023

MSZ064-065-221815-
Jefferson Davis MS-Covington MS-
1242 PM CDT Sat Jul 22 2023

...Strong thunderstorms will impact portions of central Covington and
central Jefferson Davis Counties through 115 PM CDT...

At 1242 PM CDT, Doppler radar was tracking strong thunderstorms along
a line extending from near Prentiss to Collins. Movement was east at
20 mph.

HAZARD...Wind gusts up to 50 mph and nickel size hail.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects. Minor damage to outdoor objects is
         possible.

Strong thunderstorms will be near...
  Collins around 1245 PM CDT.
  Seminary around 100 PM CDT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

High winds can bring down trees and large limbs resulting in serious
injury or property damage. Exercise extreme caution when outdoors
during such strong winds...and be especially aware of older trees.

These storms may intensify, so be certain to monitor local radio
stations and available television stations for additional information
and possible warnings from the National Weather Service.

&&

LAT...LON 3165 8991 3168 8954 3162 8940 3154 8940
      3154 8983
TIME...MOT...LOC 1742Z 289DEG 18KT 3164 8982 3166 8956

MAX HAIL SIZE...0.88 IN
MAX WIND GUST...50 MPH

NF
Local storm report, Jul 22, 1:33 PM CDT, 11 minutes before
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Local storm report, Jul 22, 1:37 PM CDT, 7 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Jul 22, 12:10 PM CDTSevere Thunderstorm WarningJANCovington, Jones, Smith65 min
Jul 22, 12:42 PM CDTSpecial Weather StatementJANCovington, Jefferson Davis33 min
Jul 22, 12:46 PM CDTSevere Thunderstorm WarningJANCovington, Jones59 min
Jul 22, 12:54 PM CDTSevere Thunderstorm WarningJANCovington, Jefferson Davis66 min
Jul 22, 1:17 PM CDTSevere Thunderstorm WarningJANCovington, Forrest, Jefferson Davis, Jones, Lamar, Marion58 min
Jul 22, 2:09 PM CDTSevere Thunderstorm WarningJANCovington, Forrest, Jefferson Davis, Jones, Lamar, Marion45 min
Jul 22, 2:48 PM CDTSpecial Weather StatementJANMarion57 min
Jul 22, 2:53 PM CDTSpecial Weather StatementJANMarion37 min
Jul 22, 2:57 PM CDTSpecial Weather StatementJANJefferson Davis33 min
Jul 22, 3:04 PM CDTSpecial Weather StatementJANSmith41 min
Jul 22, 3:09 PM CDTSpecial Weather StatementJANJefferson Davis51 min
Jul 22, 3:22 PM CDTSevere Thunderstorm WarningJANCovington, Jefferson Davis, Lamar, Marion26 min
Jul 22, 3:26 PM CDTSpecial Weather StatementJANLawrence34 min
Jul 22, 3:32 PM CDTSevere Thunderstorm WarningJANLawrence, Lincoln43 min
Jul 22, 3:36 PM CDTSpecial Weather StatementJANJasper39 min
Jul 22, 4:01 PM CDTSpecial Weather StatementJANJefferson Davis44 min
Jul 22, 4:02 PM CDTSpecial Weather StatementJANClarke43 min
Jul 22, 4:06 PM CDTSevere Thunderstorm WarningJANClaiborne, Jefferson54 min
Jul 22, 4:12 PM CDTSevere Thunderstorm WarningJANAdams19 min
Jul 22, 4:30 PM CDTSevere Thunderstorm WarningJANAdams40 min
Jul 22, 2:27 PM CDTSpecial Weather StatementJANAvoyelles48 min
Jul 22, 3:38 PM CDTSpecial Weather StatementJANTensas52 min

Nearby

Severe Thunderstorm Warnings in Mississippi, 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.