Alert archive / Mississippi / Special Weather Statements in 2021

Special Weather Statement, NWS Jackson, MS

February 11, 2021Winston County, Mississippi

NWS Jackson, MS issued this special weather statement at Feb 11, 2021, 4:11 AM CST for Winston County, Mississippi. It was in force for 49 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: Feb 11, 2021, 4:11 AM CST (10:11 UTC)
Expired: Feb 11, 2021, 5:00 AM CST
In force: 49 min
Issued by: NWS Jackson, MS

County Winston County, MS

The radar

The Columbus AFB radar (KGWX), 123 km from the middle of the area, began a volume at 10:13 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, 10.2 hours before the alert went out and 131 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: 9 J/kg
Mixed-layer CIN: -95 J/kg
Mixed-layer LCL: 912 m above ground
0-6 km bulk shear: 35 kt
0-1 km storm-relative helicity: 3 m²/s²
0-3 km storm-relative helicity: 111 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.2

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 Feb 11, 3:50 AM CST, 21 minutes earlier.

Area forecast discussion, Feb 11, 3:50 AM CST, 21 minutes before

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Hazardous weather outlook, Feb 11, 3:35 AM CST, 36 minutes before

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In the hours before

Special weather statement, Feb 11, 1:34 AM CST, 2 hours 37 minutes before

Special Weather Statement
National Weather Service Jackson MS
134 AM CST Thu Feb 11 2021

MSZ063-064-110815-
Lawrence MS-Jefferson Davis MS-
134 AM CST Thu Feb 11 2021

...A STRONG THUNDERSTORM WILL AFFECT LAWRENCE AND WEST CENTRAL
JEFFERSON DAVIS COUNTIES THROUGH 215 AM CST...

At 134 AM CST, Meteorologists were tracking a strong thunderstorm
near Topeka, or 18 miles southeast of Brookhaven, moving northeast at
35 mph.

Nickel size hail will be possible with this storm.

This strong thunderstorm will be near...
  Robinwood around 140 AM CST.
  Monticello around 145 AM CST.
  Arm around 150 AM CST.
  Progress around 155 AM CST.
  Prentiss around 205 AM CST.

Other locations impacted by this storm include 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.

&&

LAT...LON 3143 9025 3147 9024 3176 9004 3176 9001
      3156 8979 3135 9018
TIME...MOT...LOC 0734Z 227DEG 31KT 3146 9016

DL

Special weather statement, Feb 11, 2:10 AM CST, 2 hours 1 minute before

Special Weather Statement
National Weather Service Jackson MS
210 AM CST Thu Feb 11 2021

MSZ054-062-110900-
Copiah MS-Lincoln MS-
210 AM CST Thu Feb 11 2021

...A STRONG THUNDERSTORM WILL AFFECT NORTHERN LINCOLN AND EASTERN
COPIAH COUNTIES THROUGH 300 AM CST...

At 210 AM CST, Meteorologists were tracking a strong thunderstorm
over Loyd Star, or 7 miles west of Brookhaven, moving northeast at 40
mph.

Wind gusts up to 45 mph will be possible with this storm.

This strong thunderstorm will be near...
  Brookhaven around 220 AM CST.
  Wesson around 225 AM CST.
  Glancy around 230 AM CST.
  Martinsville around 235 AM CST.
  Hazlehurst around 240 AM CST.
  Rockport around 250 AM CST.

Other locations impacted by this storm include Beauregard.

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.

&&

LAT...LON 3155 9064 3161 9063 3161 9070 3202 9036
      3185 9015 3184 9016 3183 9014 3183 9013
      3180 9015 3179 9014 3179 9012 3172 9020
      3172 9024 3169 9024 3148 9055
TIME...MOT...LOC 0810Z 225DEG 36KT 3160 9057

DL

Special weather statement, Feb 11, 2:45 AM CST, 1 hour 26 minutes before

Special Weather Statement
National Weather Service Jackson MS
245 AM CST Thu Feb 11 2021

MSZ056-110930-
Smith MS-
245 AM CST Thu Feb 11 2021

...A STRONG THUNDERSTORM WILL AFFECT CENTRAL SMITH COUNTY THROUGH
330 AM CST...

At 245 AM CST, Meteorologists were tracking a strong thunderstorm
near Magee, moving northeast at 40 mph.

Dime size hail will be possible with this storm.

This strong thunderstorm will be near...
  Center Ridge around 300 AM CST.
  Raleigh around 305 AM CST.
  Pineville around 320 AM CST.

Other locations impacted by this storm include Sylvarena and Mize.

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.

&&

LAT...LON 3180 8964 3182 8966 3196 8965 3221 8944
      3211 8932 3200 8932
TIME...MOT...LOC 0845Z 225DEG 33KT 3189 8963

DL

Special weather statement, Feb 11, 3:28 AM CST, 43 minutes before

Special Weather Statement
National Weather Service Jackson MS
328 AM CST Thu Feb 11 2021

MSZ044-045-050-051-111015-
Scott MS-Newton MS-Neshoba MS-Leake MS-
328 AM CST Thu Feb 11 2021

...A STRONG THUNDERSTORM WILL AFFECT SOUTHEASTERN LEAKE...
NORTHWESTERN NEWTON...NORTHEASTERN SCOTT AND SOUTHWESTERN NESHOBA
COUNTIES THROUGH 415 AM CST...

At 328 AM CST, Meteorologists were tracking a strong thunderstorm
over Hillsboro, or near Harperville, moving northeast at 45 mph.

Dime size hail will be possible with this storm.

This strong thunderstorm will be near...
  Steele around 335 AM CST.
  Prospect and Madden around 350 AM CST.
  Dowdville around 355 AM CST.
  Neshoba and Dixon around 400 AM CST.

Other locations impacted by this storm include Walnut Grove and
Sebastopol.

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.

&&

LAT...LON 3233 8951 3242 8960 3282 8929 3264 8907
TIME...MOT...LOC 0928Z 224DEG 38KT 3245 8949

DL

Special weather statement, Feb 11, 4:11 AM CST, 0 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
Feb 11, 1:34 AM CST	Special Weather Statement	JAN	Jefferson Davis, Lawrence	41 min
Feb 11, 2:10 AM CST	Special Weather Statement	JAN	Copiah	50 min
Feb 11, 2:45 AM CST	Special Weather Statement	JAN	Smith	45 min
Feb 11, 3:28 AM CST	Special Weather Statement	JAN	Scott	47 min
Feb 11, 3:40 AM CST	Severe Thunderstorm Warning	JAN	Leake, Neshoba, Newton, Scott	50 min
Feb 11, 4:16 AM CST	Special Weather Statement	JAN	Lamar, Marion	44 min
Feb 11, 4:57 AM CST	Special Weather Statement	JAN	Lamar	48 min
Feb 11, 8:42 AM CST	Flash Flood Warning	JAN	Jones	4 hr
Feb 11, 8:47 AM CST	Flash Flood Warning	JAN	Forrest, Jefferson Davis, Lamar, Marion	4 hr
Feb 11, 9:26 AM CST	Special Weather Statement	JAN	Forrest, Lamar	49 min
Feb 11, 11:15 AM CST	River Flood Warning	JAN	Attala, Holmes	32 hr
Feb 11, 3:43 PM CST	Winter Weather Advisory	JAN	Adams, Bolivar, Carroll, Claiborne, Franklin, Grenada and 14 more	20 hr

Nearby

Special Weather Statements in Mississippi, 2021 Every 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.