Alert archive / Louisiana / Special Weather Statements in 2021

Special Weather Statement, NWS Jackson, MS

August 29, 2021Morehouse Parish, Louisiana

NWS Jackson, MS issued this special weather statement at Aug 29, 2021, 4:49 PM CDT for Morehouse Parish, Louisiana. It was in force for 41 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Aug 29, 2021, 4:49 PM CDT (21:49 UTC)
Expired
Aug 29, 2021, 5:30 PM CDT
In force
41 min
Issued by
NWS Jackson, MS
Hail
0.00 in
Wind
30

County Morehouse Parish, LA

The radar

The Jackson/Brandon,MS radar (KDGX), 181 km from the middle of the area, began a volume at 21:51 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, 9.8 hours before the alert went out and 171 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 2021-08-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 577 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 2021-08-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 131 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
577 J/kg
Mixed-layer CIN
-92 J/kg
Mixed-layer LCL
900 m above ground
0-6 km bulk shear
21 kt
0-1 km storm-relative helicity
131 m²/s²
0-3 km storm-relative helicity
117 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.0

Open this sounding in Storm Lab

The text

As transmitted.

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What forecasters said that day

The local office's own words before this special weather statement 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 special weather statement went out at Aug 29, 2:14 PM CDT, 2 hours 35 minutes earlier.

Area forecast discussion, Aug 29, 2:14 PM CDT, 2 hours 35 minutes before
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    <section class="card" role="status" aria-live="polite">
      <div class="status" id="status">Temporary Notice</div>
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        The site you requested is temporarily down for maintenance or an unexpected outage.
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Hazardous weather outlook, Aug 29, 4:51 AM CDT, 11 hours 58 minutes before
Hazardous Weather Outlook
National Weather Service Jackson MS
451 AM CDT Sun Aug 29 2021

ARZ074-MSZ018-301000-
Ashley-Bolivar-
451 AM CDT Sun Aug 29 2021

This hazardous weather outlook is for portions of southeast
Arkansas, and northwest Mississippi.

.DAY ONE...Today and Tonight

FLOODING
THREAT...Limited
TIMING...Today through Tonight

NON-THUNDERSTORM WINDS
THREAT...Limited
TIMING...Today through Tonight

Today through tonight, rainfall from Hurricane Ida will amount to
two to four inches through Tuesday. Localized flash flooding is
possible, particularly in low lying and urban areas.

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

Today through tonight, as Hurricane Ida moves through the region,
winds of 30 to 45 mph will be possible. Weak trees and limbs may
break and fall. Some downed trees and powerlines. Some roads
could be blocked and isolated power outages are possible.

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

.DAYS TWO THROUGH SEVEN...Monday through Saturday

Hurricane Ida will continue to move onshore and bring significant
wind, flooding and  tornado hazards to the region. Ida will decay
slowly as it moves through central Mississippi and northeast
Louisiana. Impacts will continue through Tuesday before Ida
finally moves northeast out of our region.

(https://www.weather.gov/images/jan/graphicast/1.png)
(https://www.weather.gov/images/jan/graphicast/2.png)
(https://www.weather.gov/images/jan/graphicast/3.png)

.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 Saturday.

ARZ075-MSZ019-025-301000-
Chicot-Sunflower-Leflore-
451 AM CDT Sun Aug 29 2021

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

.DAY ONE...Today and Tonight

SEVERE THUNDERSTORMS
THREAT...Marginal
TIMING...Today through Tonight

FLOODING
THREAT...Limited
TIMING...Today through Tonight

NON-THUNDERSTORM WINDS
THREAT...Limited
TIMING...Today through Tonight

Today through tonight, rain bands from Hurricane Ida will bring
the potential for severe weather, primarily tornadoes.

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

Today through tonight, rainfall from Hurricane Ida will amount to
two to four inches through Tuesday. Localized flash flooding is
possible, particularly in low lying and urban areas.

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

Today through tonight, as Hurricane Ida moves through the region,
winds of 30 to 45 mph will be possible. Weak trees and limbs may
break and fall. Some downed trees and powerlines. Some roads
could be blocked and isolated power outages are possible.

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

.DAYS TWO THROUGH SEVEN...Monday through Saturday

Hurricane Ida will continue to move onshore and bring significant
wind, flooding and  tornado hazards to the region. Ida will decay
slowly as it moves through central Mississippi and northeast
Louisiana. Impacts will continue through Tuesday before Ida
finally moves northeast out of our region.

(https://www.weather.gov/images/jan/graphicast/1.png)
(https://www.weather.gov/images/jan/graphicast/2.png)
(https://www.weather.gov/images/jan/graphicast/3.png)

.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 today
through Monday night.

LAZ008-009-015-016-023>025-MSZ034-035-040-041-047-301000-
West Carroll-East Carroll-Richland-Madison LA-Franklin LA-
Catahoula-Tensas-Washington-Humphreys-Issaquena-Sharkey-Warren-
451 AM CDT Sun Aug 29 2021

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

.DAY ONE...Today and Tonight

SEVERE THUNDERSTORMS
THREAT...Marginal
TIMING...Today through Tonight

FLOODING
THREAT...Limited
TIMING...Today through Tonight

NON-THUNDERSTORM WINDS
THREAT...Elevated
TIMING...Today through Tonight

Today through tonight, rain bands from Hurricane Ida will bring
the potential for severe weather, primarily tornadoes.

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

Today through tonight, rainfall from Hurricane Ida will amount to
two to four inches through Tuesday. Localized flash flooding is
possible, particularly in low lying and urban areas.

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

Today through tonight, as Hurricane Ida moves through the region,
winds of 45 to 65 mph will be possible. Widespread downed trees
and power lines will occur and many roads could be blocked. Some
damage to roofs and homes possible.

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

.DAYS TWO THROUGH SEVEN...Monday through Saturday

Hurricane Ida will continue to move onshore and bring significant
wind, flooding and  tornado hazards to the region. Ida will decay
slowly as it moves through central Mississippi and northeast
Louisiana. Impacts will continue through Tuesday before Ida
finally moves northeast out of our region.

(https://www.weather.gov/images/jan/graphicast/1.png)
(https://www.weather.gov/images/jan/graphicast/2.png)
(https://www.weather.gov/images/jan/graphicast/3.png)

.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 today
through Monday night.

MSZ026>033-038-039-046-301000-
Grenada-Carroll-Montgomery-Webster-Clay-Lowndes-Choctaw-Oktibbeha-
Winston-Noxubee-Kemper-
451 AM CDT Sun Aug 29 2021

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

.DAY ONE...Today and Tonight

SEVERE THUNDERSTORMS
THREAT...Marginal
TIMING...Today through Tonight

FLOODING
THREAT...Elevated
TIMING...Today through Tonight

NON-THUNDERSTORM WINDS
THREAT...Limited
TIMING...Today through Tonight

Today through tonight, rain bands from Hurricane Ida will bring
the potential for severe weather, primarily tornadoes.

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

Today through tonight, rainfall from Hurricane Ida will amount to
four to eight inches across the region through Tuesday.  Areas of
flash flooding likely and some roads could be flooded or closed.
Some structures may be potentially threatened by high water.

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

Today through tonight, as Hurricane Ida moves through the region,
winds of 30 to 45 mph will be possible. Weak trees and limbs may
break and fall. Some downed trees and powerlines. Some roads
could be blocked and isolated power outages are possible.

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

.DAYS TWO THROUGH SEVEN...Monday through Saturday

Hurricane Ida will continue to move onshore and bring significant
wind, flooding and tornado hazards to the region. Ida will decay
slowly as it moves through central Mississippi and northeast
Louisiana. Impacts will continue through Tuesday before Ida
finally moves northeast out of our region.

(https://www.weather.gov/images/jan/graphicast/1.png)
(https://www.weather.gov/images/jan/graphicast/2.png)
(https://www.weather.gov/images/jan/graphicast/3.png)

.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 today
through Monday night.

LAZ007-301000-
Morehouse-
451 AM CDT Sun Aug 29 2021

This hazardous weather outlook is for portions of northeast
Louisiana.

.DAY ONE...Today and Tonight

FLOODING
THREAT...Limited
TIMING...Today through Tonight

NON-THUNDERSTORM WINDS
THREAT...Elevated
TIMING...Today through Tonight

Today through tonight, rainfall from Hurricane Ida will amount to
two to four inches through Tuesday. Localized flash flooding is
possible, particularly in low lying and urban areas.

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

Today through tonight, as Hurricane Ida moves through the region,
winds of 45 to 65 mph will be possible. Widespread downed trees
and power lines will occur and many roads could be blocked. Some
damage to roofs and homes possible.

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

.DAYS TWO THROUGH SEVEN...Monday through Saturday

Hurricane Ida will continue to move onshore and bring significant
wind, flooding and tornado hazards to the region. Ida will decay
slowly as it moves through central Mississippi and northeast
Louisiana. Impacts will continue through Tuesday before Ida
finally moves northeast out of our region.

(https://www.weather.gov/images/jan/graphicast/1.png)
(https://www.weather.gov/images/jan/graphicast/2.png)
(https://www.weather.gov/images/jan/graphicast/3.png)

.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 Saturday.

MSZ036-037-042-044-045-301000-
Holmes-Attala-Yazoo-Leake-Neshoba-
451 AM CDT Sun Aug 29 2021

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

.DAY ONE...Today and Tonight

SEVERE THUNDERSTORMS
THREAT...Marginal
TIMING...Today through Tonight

FLOODING
THREAT...Elevated
TIMING...Today through Tonight

NON-THUNDERSTORM WINDS
THREAT...Elevated
TIMING...Today through Tonight

Today through tonight, rain bands from Hurricane Ida will bring
the potential for severe weather, primarily tornadoes.

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

Today through tonight, rainfall from Hurricane Ida will amount to
four to eight inches across the region through Tuesday.  Areas of
flash flooding likely and some roads could be flooded or closed.
Some structures may be potentially threatened by high water.

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

Today through tonight, as Hurricane Ida moves through the region,
winds of 45 to 65 mph will be possible. Widespread downed trees
and power lines will occur and many roads could be blocked. Some
damage to roofs and homes possible.

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

.DAYS TWO THROUGH SEVEN...Monday through Saturday

Hurricane Ida will continue to move onshore and bring significant
wind, flooding and tornado hazards to the region. Ida will decay
slowly as it moves through central Mississippi and northeast
Louisiana. Impacts will continue through Tuesday before Ida
finally moves northeast out of our region.

(https://www.weather.gov/images/jan/graphicast/1.png)
(https://www.weather.gov/images/jan/graphicast/2.png)
(https://www.weather.gov/images/jan/graphicast/3.png)

.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 today
through Monday night.

MSZ043-048>051-055>058-063>066-072>074-301000-
Madison MS-Hinds-Rankin-Scott-Newton-Simpson-Smith-Jasper-Clarke-
Lawrence-Jefferson Davis-Covington-Jones-Marion-Lamar-Forrest-
451 AM CDT Sun Aug 29 2021

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

.DAY ONE...Today and Tonight

SEVERE THUNDERSTORMS
THREAT...Slight
TIMING...Today through Tonight

FLOODING
THREAT...Elevated
TIMING...Today through Tonight

NON-THUNDERSTORM WINDS
THREAT...Elevated
TIMING...Today through Tonight

Today through tonight, rain bands from Hurricane Ida will bring
the potential for severe weather, primarily tornadoes.

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

Today through tonight, rainfall from Hurricane Ida will amount to
four to eight inches across the region through Tuesday.  Areas of
flash flooding likely and some roads could be flooded or closed.
Some structures may be potentially threatened by high water.

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

Today through tonight, as Hurricane Ida moves through the region,
winds of 45 to 65 mph will be possible. Widespread downed trees
and power lines will occur and many roads could be blocked. Some
damage to roofs and homes possible.

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

.DAYS TWO THROUGH SEVEN...Monday through Saturday

Hurricane Ida will continue to move onshore and bring significant
wind, flooding and tornado hazards to the region. Ida will decay
slowly as it moves through central Mississippi and northeast
Louisiana. Impacts will continue through Tuesday before Ida
finally moves northeast out of our region.

(https://www.weather.gov/images/jan/graphicast/1.png)
(https://www.weather.gov/images/jan/graphicast/2.png)
(https://www.weather.gov/images/jan/graphicast/3.png)

.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 today
through Monday night.

MSZ052-301000-
Lauderdale-
451 AM CDT Sun Aug 29 2021

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

.DAY ONE...Today and Tonight

SEVERE THUNDERSTORMS
THREAT...Slight
TIMING...Today through Tonight

FLOODING
THREAT...Elevated
TIMING...Today through Tonight

NON-THUNDERSTORM WINDS
THREAT...Limited
TIMING...Today through Tonight

Today through tonight, rain bands from Hurricane Ida will bring
the potential for severe weather, primarily tornadoes.

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

Today through tonight, rainfall from Hurricane Ida will amount to
four to eight inches across the region through Tuesday.  Areas of
flash flooding likely and some roads could be flooded or closed.
Some structures may be potentially threatened by high water.

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

Today through tonight, as Hurricane Ida moves through the region,
winds of 30 to 45 mph will be possible. Weak trees and limbs may
break and fall. Some downed trees and powerlines. Some roads
could be blocked and isolated power outages are possible.

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

.DAYS TWO THROUGH SEVEN...Monday through Saturday

Hurricane Ida will continue to move onshore and bring significant
wind, flooding and tornado hazards to the region. Ida will decay
slowly as it moves through central Mississippi and northeast
Louisiana. Impacts will continue through Tuesday before Ida
finally moves northeast out of our region.

(https://www.weather.gov/images/jan/graphicast/1.png)
(https://www.weather.gov/images/jan/graphicast/2.png)
(https://www.weather.gov/images/jan/graphicast/3.png)

.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 today
through Monday night.

MSZ059-301000-
Jefferson-
451 AM CDT Sun Aug 29 2021

This hazardous weather outlook is for portions of southwest
Mississippi.

.DAY ONE...Today and Tonight

SEVERE THUNDERSTORMS
THREAT...Slight
TIMING...Today through Tonight

FLOODING
THREAT...Limited
TIMING...Today through Tonight

NON-THUNDERSTORM WINDS
THREAT...Significant
TIMING...Today through Tonight

Today through tonight, rain bands from Hurricane Ida will bring
the potential for severe weather, primarily tornadoes.

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

Today through tonight, rainfall from Hurricane Ida will amount to
two to four inches through Tuesday. Localized flash flooding is
possible, particularly in low lying and urban areas.

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

Today through tonight, as Hurricane Ida moves through the region,
winds of 65 to 75 mph will be possible. This may result in
widespread and significant tree and power line damage. Damage to
some structures likely. Power outages may last for a couple of
weeks.

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

.DAYS TWO THROUGH SEVEN...Monday through Saturday

Hurricane Ida will continue to move onshore and bring significant
wind, flooding and tornado hazards to the region. Ida will decay
slowly as it moves through central Mississippi and northeast
Louisiana. Impacts will continue through Tuesday before Ida
finally moves northeast out of our region.

(https://www.weather.gov/images/jan/graphicast/1.png)
(https://www.weather.gov/images/jan/graphicast/2.png)
(https://www.weather.gov/images/jan/graphicast/3.png)

.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 today
through Monday night.

MSZ053-054-061-062-301000-
Claiborne-Copiah-Franklin MS-Lincoln-
451 AM CDT Sun Aug 29 2021

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

.DAY ONE...Today and Tonight

SEVERE THUNDERSTORMS
THREAT...Slight
TIMING...Today through Tonight

FLOODING
THREAT...Elevated
TIMING...Today through Tonight

NON-THUNDERSTORM WINDS
THREAT...Significant
TIMING...Today through Tonight

Today through tonight, rain bands from Hurricane Ida will bring
the potential for severe weather, primarily tornadoes.

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

Today through tonight, rainfall from Hurricane Ida will amount to
four to eight inches across the region through Tuesday.  Areas of
flash flooding likely and some roads could be flooded or closed.
Some structures may be potentially threatened by high water.

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

Today through tonight, as Hurricane Ida moves through the region,
winds of 65 to 75 mph will be possible. This may result in
widespread and significant tree and power line damage. Damage to
some structures likely. Power outages may last for a couple of
weeks.

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

.DAYS TWO THROUGH SEVEN...Monday through Saturday

Hurricane Ida will continue to move onshore and bring significant
wind, flooding and tornado hazards to the region. Ida will decay
slowly as it moves through central Mississippi and northeast
Louisiana. Impacts will continue through Tuesday before Ida
finally moves northeast out of our region.

(https://www.weather.gov/images/jan/graphicast/1.png)
(https://www.weather.gov/images/jan/graphicast/2.png)
(https://www.weather.gov/images/jan/graphicast/3.png)

.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 today
through Monday night.

LAZ026-MSZ060-301000-
Concordia-Adams-
451 AM CDT Sun Aug 29 2021

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

.DAY ONE...Today and Tonight

SEVERE THUNDERSTORMS
THREAT...Marginal
TIMING...Today through Tonight

FLOODING
THREAT...Limited
TIMING...Today through Tonight

NON-THUNDERSTORM WINDS
THREAT...Significant
TIMING...Today through Tonight

Today through tonight, rain bands from Hurricane Ida will bring
the potential for severe weather, primarily tornadoes.

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

Today through tonight, rainfall from Hurricane Ida will amount to
two to four inches through Tuesday. Localized flash flooding is
possible, particularly in low lying and urban areas.

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

Today through tonight, as Hurricane Ida moves through the region,
winds of 65 to 75 mph will be possible. This may result in
widespread and significant tree and power line damage. Damage to
some structures likely. Power outages may last for a couple of
weeks.

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

.DAYS TWO THROUGH SEVEN...Monday through Saturday

Hurricane Ida will continue to move onshore and bring significant
wind, flooding and tornado hazards to the region. Ida will decay
slowly as it moves through central Mississippi and northeast
Louisiana. Impacts will continue through Tuesday before Ida
finally moves northeast out of our region.

(https://www.weather.gov/images/jan/graphicast/1.png)
(https://www.weather.gov/images/jan/graphicast/2.png)
(https://www.weather.gov/images/jan/graphicast/3.png)

.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 today
through Monday night.

28

&&

...HAZARD LEGEND...

*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.

*NON-THUNDERSTORM WINDS*
Significant...Scattered downed trees and power lines are likely
 due to sustained winds over 35 mph and potential wind gusts
 greater than 50 mph.
Elevated...A few downed trees and power lines are possible due
 to sustained winds ranging from 25 to 35 mph and potential for
 wind gusts over 40 mph. Travel will also be difficult for those
 in high profile vehicles.
Limited...Weak trees and limbs may break and fall due to
 sustained winds up to 25 mph and wind gusts around 35 mph.
 High profile vehicles could also be affected.

*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 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
...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, Aug 29, 2:25 PM CDT, 2 hours 24 minutes before
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Special weather statement, Aug 29, 2:29 PM CDT, 2 hours 20 minutes before
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Special weather statement, Aug 29, 2:36 PM CDT, 2 hours 13 minutes before
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Special weather statement, Aug 29, 3:22 PM CDT, 1 hour 27 minutes before
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      </p>
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Special weather statement, Aug 29, 4:08 PM CDT, 41 minutes before
Special Weather Statement
National Weather Service Jackson MS
408 PM CDT Sun Aug 29 2021

MSZ018-019-025-292215-
Leflore MS-Sunflower MS-Bolivar MS-
408 PM CDT Sun Aug 29 2021

...A strong thunderstorm will impact portions of northeastern
Sunflower, northwestern Leflore and northern Bolivar Counties through
515 PM CDT...

At 407 PM CDT, Doppler radar was tracking a strong thunderstorm over
Drew, moving northwest at 30 mph.

HAZARD...Winds in excess of 40 mph.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects.

Locations impacted include...
Cleveland, Ruleville, Shelby, Drew, Rosedale, Parchman, Mound Bayou,
Renova, Boyle, Gunnison, Deeson, Rome, Merigold, Duncan, Beulah,
Pace, Alligator and Winstonville.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

&&

LAT...LON 3412 9067 3399 9066 3399 9045 3381 9045
      3381 9037 3365 9044 3377 9115 3378 9113
      3378 9099 3385 9107 3393 9101 3397 9109
      3400 9102 3396 9097 3402 9099 3402 9090
      3409 9087 3411 9094 3412 9095
TIME...MOT...LOC 2107Z 116DEG 28KT 3378 9052

MAX HAIL SIZE...0.00 IN
MAX WIND GUST...40 MPH

EC
Special weather statement, Aug 29, 4:49 PM CDT, 0 minutes before
Special Weather Statement
National Weather Service Jackson MS
449 PM CDT Sun Aug 29 2021

ARZ074-075-LAZ007-008-292230-
Chicot AR-Ashley AR-Morehouse LA-West Carroll LA-
449 PM CDT Sun Aug 29 2021

...Strong thunderstorms will impact portions of southwestern Chicot
and southeastern Ashley Counties, Morehouse and northern West Carroll
Parishes through 530 PM CDT...

At 449 PM CDT, Doppler radar was tracking strong thunderstorms along
a line extending from near Gassoway to 9 miles south of Galion.
Movement was west at 35 mph.

HAZARD...Winds in excess of 30 mph.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects.

Locations impacted include...
Bastrop, Wilmot, Portland, Parkdale, Jones, Goodwill, Beekman,
Galion, Mer Rouge, Kilbourne, Collinston and Bonita.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

&&

LAT...LON 3280 9205 3283 9206 3327 9149 3302 9119
      3300 9121 3301 9126 3296 9127 3263 9175
      3262 9192 3266 9191 3267 9193 3266 9194
      3271 9197 3270 9202 3271 9204 3270 9204
      3269 9205 3270 9206 3273 9207
TIME...MOT...LOC 2149Z 083DEG 30KT 3298 9131 3272 9175

MAX HAIL SIZE...0.00 IN
MAX WIND GUST...30 MPH

JNE

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 29, 10:31 AM CDTRiver Flood WarningJANLeake5 days
Aug 29, 10:31 AM CDTRiver Flood WarningJANAttala71 hr
Aug 29, 10:31 AM CDTRiver Flood WarningJANNeshoba7 days
Aug 29, 10:31 AM CDTRiver Flood WarningJANLeake21 days
Aug 29, 10:31 AM CDTRiver Flood WarningJANLeake21 days
Aug 29, 10:37 AM CDTRiver Flood WarningJANCopiah, Simpson58 hr
Aug 29, 10:37 AM CDTRiver Flood WarningJANLawrence58 hr
Aug 29, 10:37 AM CDTRiver Flood WarningJANSimpson4 days
Aug 29, 10:37 AM CDTRiver Flood WarningJANMarion21 days
Aug 29, 10:50 AM CDTSpecial Weather StatementJANCovington, Jones40 min
Aug 29, 10:54 AM CDTRiver Flood WarningJANJones5 days
Aug 29, 10:54 AM CDTRiver Flood WarningJANCovington, Forrest48 hr
Aug 29, 10:54 AM CDTRiver Flood WarningJANCovington, Jones48 hr
Aug 29, 10:54 AM CDTRiver Flood WarningJANForrest48 hr
Aug 29, 10:54 AM CDTRiver Flood WarningJANClarke71 hr
Aug 29, 10:54 AM CDTRiver Flood WarningJANForrest48 hr
Aug 29, 11:08 AM CDTRiver Flood WarningJANFranklin57 hr
Aug 29, 11:08 AM CDTRiver Flood WarningJANAttala, Holmes12 days
Aug 29, 11:08 AM CDTRiver Flood WarningJANMadison, Yazoo9 days
Aug 29, 11:08 AM CDTRiver Flood WarningJANHinds, Warren62 hr
Aug 29, 11:13 AM CDTRiver Flood WarningJANNoxubee5 days
Aug 29, 11:13 AM CDTRiver Flood WarningJANClay5 days
Aug 29, 11:49 AM CDTSpecial Weather StatementJANSimpson, Smith41 min
Aug 29, 12:56 PM CDTSpecial Weather StatementJANHinds, Lauderdale, Newton, Rankin, Scott49 min
Aug 29, 1:51 PM CDTSpecial Weather StatementJANMadison39 min
Aug 29, 2:25 PM CDTSpecial Weather StatementJANLeake50 min
Aug 29, 2:29 PM CDTSpecial Weather StatementJANWarren, Yazoo46 min
Aug 29, 3:22 PM CDTSpecial Weather StatementJANIssaquena38 min
Aug 29, 4:00 PM CDTWind AdvisoryJANAttala, Bolivar, Carroll, Choctaw, Clay, Grenada and 11 more30 hr
Aug 29, 4:08 PM CDTSpecial Weather StatementJANBolivar67 min
Aug 29, 2:36 PM CDTSpecial Weather StatementJANFranklin, Madison39 min

Nearby

Special Weather Statements in Louisiana, 2021Every special weather statement in 2021

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.