Alert archive / Mississippi / Special Weather Statements in 2021

Special Weather Statement, NWS Jackson, MS

April 24, 2021Washington County, Mississippi; Chicot County, Arkansas

NWS Jackson, MS issued this special weather statement at Apr 24, 2021, 4:27 AM CDT for Washington County, Mississippi; Chicot County, Arkansas. It was in force for 48 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
Apr 24, 2021, 4:27 AM CDT (09:27 UTC)
Expired
Apr 24, 2021, 5:15 AM CDT
In force
48 min
Issued by
NWS Jackson, MS

Counties Chicot County, AR, Washington County, MS

The radar

The Jackson/Brandon,MS radar (KDGX), 179 km from the middle of the area, began a volume at 09:28 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 00:00Z, 9.5 hours before the alert went out and 169 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 00:00Z on 2021-04-24Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 00:00Z on 2021-04-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 238 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1198 m above ground
0-6 km bulk shear
62 kt
0-1 km storm-relative helicity
238 m²/s²
0-3 km storm-relative helicity
244 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

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 Apr 24, 3:58 AM CDT, 29 minutes earlier.

Area forecast discussion, Apr 24, 3:58 AM CDT, 29 minutes before
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Hazardous weather outlook, Apr 24, 4:12 AM CDT, 15 minutes before
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In the hours before

Special weather statement, Apr 24, 12:55 AM CDT, 3 hours 32 minutes before
Special Weather Statement
National Weather Service Jackson MS
1255 AM CDT Sat Apr 24 2021

MSZ073-074-240645-
Lamar MS-Forrest MS-
1255 AM CDT Sat Apr 24 2021

...A STRONG THUNDERSTORM WILL AFFECT SOUTHEASTERN FORREST AND
SOUTHEASTERN LAMAR COUNTIES THROUGH 145 AM CDT...

At 1255 AM CDT, Meteorologists were tracking a strong thunderstorm
near Lumberton, or 8 miles north of Poplarville, moving east at 50
mph.

Nickel size hail and wind gusts up to 50 mph will be possible with
this storm.

Locations impacted include...
Lumberton, Brooklyn, Maxie and Rock Hill.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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.

&&

A Tornado Watch remains in effect until 400 AM CDT for southeastern
Mississippi.

LAT...LON 3100 8934 3101 8935 3101 8942 3098 8943
      3098 8947 3100 8948 3100 8950 3101 8950
      3102 8954 3116 8915 3091 8914 3091 8934
TIME...MOT...LOC 0555Z 252DEG 45KT 3095 8949

DL
Special weather statement, Apr 24, 1:43 AM CDT, 2 hours 44 minutes before
Special Weather Statement
National Weather Service Jackson MS
143 AM CDT Sat Apr 24 2021

MSZ055-063>065-240745-
Lawrence MS-Jefferson Davis MS-Covington MS-Simpson MS-
143 AM CDT Sat Apr 24 2021

...A STRONG THUNDERSTORM WILL AFFECT SOUTHEASTERN SIMPSON...EASTERN
LAWRENCE...NORTHWESTERN COVINGTON AND JEFFERSON DAVIS COUNTIES
THROUGH 245 AM CDT...

At 142 AM CDT, Meteorologists were tracking strong thunderstorms
along a line extending from near Oma to Topeka. Movement was east at
30 mph.

Wind gusts up to 50 mph will be possible with these storms.

Locations impacted include...
Magee, Monticello, Prentiss, Mount Olive, Progress, Tilton, Oak Vale,
Clem, Robinwood, Lone Star, Arm, Carson, New Hebron and Silver Creek.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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.

&&

A Tornado Watch remains in effect until 400 AM CDT for south central,
central and southeastern Mississippi.

LAT...LON 3137 9019 3173 9008 3188 8966 3178 8965
      3145 8976
TIME...MOT...LOC 0642Z 248DEG 24KT 3170 9007 3141 9016

DL
Special weather statement, Apr 24, 2:00 AM CDT, 2 hours 27 minutes before
Special Weather Statement
National Weather Service Jackson MS
200 AM CDT Sat Apr 24 2021

MSZ074-240730-
Forrest MS-
200 AM CDT Sat Apr 24 2021

...A STRONG THUNDERSTORM WILL AFFECT SOUTHEASTERN FORREST COUNTY
THROUGH 230 AM CDT...

At 159 AM CDT, Meteorologists were tracking a strong thunderstorm
near Rock Hill, or 14 miles northwest of Wiggins, moving east at 55
mph.

Dime size hail and wind gusts up to 50 mph will be possible with this
storm.

Locations impacted include...
Brooklyn, Rock Hill and Maxie.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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.

&&

A Tornado Watch remains in effect until 400 AM CDT for southeastern
Mississippi.

LAT...LON 3100 8934 3100 8935 3111 8935 3117 8915
      3100 8915 3100 8914 3096 8914 3093 8934
TIME...MOT...LOC 0659Z 247DEG 50KT 3103 8928

DL
Special weather statement, Apr 24, 2:35 AM CDT, 1 hour 52 minutes before
Special Weather Statement
National Weather Service Jackson MS
235 AM CDT Sat Apr 24 2021

MSZ043-048-049-054-055-240830-
Copiah MS-Hinds MS-Rankin MS-Madison MS-Simpson MS-
235 AM CDT Sat Apr 24 2021

...A STRONG THUNDERSTORM WILL AFFECT RANKIN...NORTHERN SIMPSON...
HINDS...NORTHERN COPIAH AND SOUTHERN MADISON COUNTIES UNTIL 330 AM
CDT...

At 235 AM CDT, Meteorologists were tracking strong thunderstorms
along a line extending from near Edwards to near Dentville. Movement
was east at 55 mph.

Wind gusts up to 50 mph will be possible with these storms.

Locations impacted include...
Jackson, Clinton, Pearl, Madison, Ridgeland, Brandon, Canton, Byram,
Flowood, Richland, Crystal Springs, Star, Florence, Raymond,
Pelahatchie, Terry, Edwards, Bolton, Leesburg and Pocahontas.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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.

&&

A Tornado Watch remains in effect until 400 AM CDT for Copiah and
Simpson counties.

LAT...LON 3191 9061 3238 9063 3245 9059 3265 8973
      3258 8978 3236 8973 3200 8973
TIME...MOT...LOC 0735Z 258DEG 48KT 3238 9057 3203 9055

DL
Special weather statement, Apr 24, 3:44 AM CDT, 43 minutes before
Special Weather Statement
National Weather Service Jackson MS
344 AM CDT Sat Apr 24 2021

MSZ074-240915-
Forrest MS-
344 AM CDT Sat Apr 24 2021

...STRONG THUNDERSTORMS WILL AFFECT SOUTHEASTERN FORREST COUNTY
THROUGH 415 AM CDT...

At 344 AM CDT, Meteorologists were tracking strong thunderstorms
along a line extending from near Mclaurin to 7 miles southeast of
Lumberton. Movement was east at 35 mph.

Wind gusts up to 50 mph will be possible with these storms.

Strong thunderstorms will be near...
  Maxie around 400 AM CDT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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.

&&

A Tornado Watch remains in effect until 400 AM CDT for southeastern
Mississippi.

LAT...LON 3100 8934 3100 8935 3104 8935 3127 8920
      3128 8915 3100 8915 3100 8914 3091 8914
      3091 8934
TIME...MOT...LOC 0844Z 269DEG 32KT 3123 8916 3092 8937

DL
Special weather statement, Apr 24, 4:27 AM CDT, 0 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Apr 23, 7:55 PM CDTSevere Thunderstorm WarningJANAdams, Jefferson29 min
Apr 23, 8:39 PM CDTSpecial Weather StatementJANAdams36 min
Apr 23, 9:08 PM CDTSpecial Weather StatementJANMarion52 min
Apr 23, 9:14 PM CDTSpecial Weather StatementJANFranklin, Jefferson46 min
Apr 23, 9:31 PM CDTRiver Flood WarningJANJones36 hr
Apr 23, 10:04 PM CDTSpecial Weather StatementJANMarion26 min
Apr 23, 10:35 PM CDTSpecial Weather StatementJANForrest, Lamar55 min
Apr 24, 12:50 AM CDTSpecial Weather StatementJANWilkinson25 min
Apr 24, 12:55 AM CDTSpecial Weather StatementJANForrest50 min
Apr 24, 1:01 AM CDTSevere Thunderstorm WarningJANForrest, Lamar44 min
Apr 24, 1:30 AM CDTSevere Thunderstorm WarningJANFranklin, Lincoln39 min
Apr 24, 1:43 AM CDTSpecial Weather StatementJANJefferson Davis, Lawrence62 min
Apr 24, 1:56 AM CDTSevere Thunderstorm WarningJANCovington, Jefferson Davis, Lawrence64 min
Apr 24, 2:00 AM CDTSpecial Weather StatementJANForrest30 min
Apr 24, 2:05 AM CDTSevere Thunderstorm WarningJANLawrence25 min
Apr 24, 2:35 AM CDTSpecial Weather StatementJANHinds, Rankin55 min
Apr 24, 2:47 AM CDTSevere Thunderstorm WarningJANJasper, Jones, Smith47 min
Apr 24, 2:58 AM CDTSevere Thunderstorm WarningJANHinds, Madison, Rankin, Scott, Smith51 min
Apr 24, 3:44 AM CDTSpecial Weather StatementJANForrest31 min
Apr 24, 3:55 AM CDTSevere Thunderstorm WarningJANForrest6 min
Apr 24, 6:23 AM CDTSpecial Weather StatementJANMadison, Rankin, Scott52 min
Apr 24, 8:56 AM CDTRiver Flood WarningJANLeake25 hr
Apr 24, 9:00 AM CDTRiver Flood WarningJANLawrence4 days
Apr 24, 9:00 AM CDTRiver Flood WarningJANCopiah, Simpson3 days
Apr 24, 9:00 AM CDTRiver Flood WarningJANMarion3 days
Apr 23, 7:20 PM CDTSpecial Weather StatementJANCatahoula, Concordia40 min
Apr 23, 7:30 PM CDTSevere Thunderstorm WarningJANCatahoula, Concordia45 min
Apr 23, 8:03 PM CDTSpecial Weather StatementJANConcordia27 min
Apr 23, 9:35 PM CDTSevere Thunderstorm WarningJANCatahoula, Concordia36 min
Apr 23, 11:38 PM CDTSpecial Weather StatementJANWest Feliciana22 min

Nearby

Special Weather Statements in Mississippi, 2021Special Weather Statements in Arkansas, 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.