Alert archive / Mississippi / Special Weather Statements in 2021

Special Weather Statement, NWS Jackson, MS

June 28, 2021Marion County, Mississippi

NWS Jackson, MS issued this special weather statement at Jun 28, 2021, 5:24 PM CDT for Marion County, Mississippi. It was in force for 66 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: Jun 28, 2021, 5:24 PM CDT (22:24 UTC)
Expired: Jun 28, 2021, 6:30 PM CDT
In force: 66 min
Issued by: NWS Jackson, MS

County Marion County, MS

The nearest sounding before it

Slidell Radar S, LA (KSIL), launched 12:00Z, 10.4 hours before the alert went out and 107 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: 1957 J/kg
Mixed-layer CIN: -8 J/kg
Mixed-layer LCL: 598 m above ground
0-6 km bulk shear: 22 kt
0-1 km storm-relative helicity: 81 m²/s²
0-3 km storm-relative helicity: 84 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 Jun 28, 3:21 PM CDT, 2 hours 3 minutes earlier.

Area forecast discussion, Jun 28, 3:21 PM CDT, 2 hours 3 minutes before

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Hazardous weather outlook, Jun 28, 3:05 PM CDT, 2 hours 19 minutes before

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In the hours before

Special weather statement, Jun 28, 1:29 PM CDT, 3 hours 55 minutes before

Special Weather Statement
National Weather Service Jackson MS
129 PM CDT Mon Jun 28 2021

MSZ060-281900-
Adams MS-
129 PM CDT Mon Jun 28 2021

...A STRONG THUNDERSTORM WILL AFFECT SOUTHEASTERN ADAMS COUNTY UNTIL
200 PM CDT...

At 129 PM CDT, Meteorologists were tracking a strong thunderstorm
near Dolorosa, or 15 miles south of Natchez, moving northwest at 25
mph.

Winds in excess of 40 mph will be possible with this storm.

This strong thunderstorm will be near...
  Sibley around 145 PM 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.

&&

LAT...LON 3134 9152 3137 9149 3137 9147 3139 9147
      3150 9135 3146 9121 3137 9117 3135 9118
      3135 9121 3137 9122 3136 9126 3137 9127
      3136 9128 3136 9131 3131 9143 3131 9147
TIME...MOT...LOC 1829Z 124DEG 22KT 3134 9130

TW

Special weather statement, Jun 28, 1:47 PM CDT, 3 hours 37 minutes before

Special Weather Statement
National Weather Service Jackson MS
147 PM CDT Mon Jun 28 2021

LAZ026-MSZ060-281930-
Concordia LA-Adams MS-
147 PM CDT Mon Jun 28 2021

...A STRONG THUNDERSTORM WILL AFFECT NORTHEASTERN CONCORDIA PARISH IN
NORTHEASTERN LOUISIANA AND CENTRAL ADAMS COUNTIES UNTIL 230 PM CDT...

At 147 PM CDT, Meteorologists were tracking a strong thunderstorm
near Sibley, or near Natchez, moving northwest at 25 mph.

Winds in excess of 40 mph will be possible with this storm.

This strong thunderstorm will be near...
  Natchez around 200 PM CDT.
  Vidalia around 205 PM CDT.
  Ferriday around 220 PM CDT.

Other locations impacted by this storm include Ridgecrest.

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 3150 9135 3139 9147 3155 9167 3172 9148
      3146 9121
TIME...MOT...LOC 1847Z 135DEG 23KT 3146 9139

TW

Special weather statement, Jun 28, 2:08 PM CDT, 3 hours 16 minutes before

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Special weather statement, Jun 28, 3:36 PM CDT, 1 hour 48 minutes before

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Special weather statement, Jun 28, 4:30 PM CDT, 54 minutes before

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Special weather statement, Jun 28, 5:24 PM CDT, 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
Jun 28, 1:29 PM CDT	Special Weather Statement	JAN	Adams	31 min
Jun 28, 1:47 PM CDT	Special Weather Statement	JAN	Adams	43 min
Jun 28, 4:30 PM CDT	Special Weather Statement	JAN	Forrest, Jones, Lamar	60 min
Jun 28, 6:06 PM CDT	Special Weather Statement	JAN	Jefferson Davis, Lawrence	54 min
Jun 28, 2:08 PM CDT	Special Weather Statement	JAN	Catahoula	52 min
Jun 28, 3:36 PM CDT	Special Weather Statement	JAN	Franklin, Richland	24 min

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.