Alert archive / Mississippi / Special Weather Statements in 2021

Special Weather Statement, NWS Jackson, MS

July 5, 2021Marion County, Mississippi

NWS Jackson, MS issued this special weather statement at Jul 5, 2021, 3:16 PM CDT for Marion County, Mississippi. It was in force for 59 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
Jul 5, 2021, 3:16 PM CDT (20:16 UTC)
Expired
Jul 5, 2021, 4:15 PM CDT
In force
59 min
Issued by
NWS Jackson, MS

County Marion County, MS

The nearest sounding before it

Jackson, MS (KJAN), launched 12:00Z, 8.3 hours before the alert went out and 112 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 2021-07-05Temperature 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 12:00Z on 2021-07-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -31 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1285 m above ground
0-6 km bulk shear
1 kt
0-1 km storm-relative helicity
-31 m²/s²
0-3 km storm-relative helicity
4 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

130 
WWUS84 KJAN 052016
SPSJAN

Special Weather Statement
National Weather Service Jackson MS
316 PM CDT Mon Jul 5 2021
 
MSZ063-064-072-052115-
Lawrence MS-Jefferson Davis MS-Marion MS-
316 PM CDT Mon Jul 5 2021

...A CLUSTER OF STRONG THUNDERSTORMS WILL AFFECT NORTHERN 
MARION...SOUTHERN LAWRENCE AND SOUTHWESTERN JEFFERSON DAVIS COUNTIES 
THROUGH 415 PM CDT...

At 315 PM CDT, Meteorologists were tracking strong thunderstorms
along a line extending from east of Columbia to near Tilton.
Movement was west at 15 mph.

Winds in excess of 40 mph will be possible with these storms.

Locations impacted include...
Columbia, Holly Springs, Topeka, Morgantown, Goss, Society Hill,
Bunker Hill and Tilton.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Torrential rainfall is also occurring with these storms, and may lead
to localized flooding. Do not drive your vehicle through flooded
roadways.

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 3120 8986 3130 9004 3134 9004 3133 9008
      3135 9011 3135 9014 3141 9025 3143 9024
      3141 8983 3129 8965 3119 8965
TIME...MOT...LOC 2015Z 101DEG 13KT 3123 8970 3137 9002 

$$

DL

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 5, 3:50 PM CDTSpecial Weather StatementJANJones55 min
Jul 5, 4:15 PM CDTSpecial Weather StatementJANCovington, Jefferson Davis60 min
Jul 5, 4:48 PM CDTSpecial Weather StatementJANJasper57 min
Jul 5, 6:02 PM CDTSpecial Weather StatementJANScott58 min
Jul 5, 6:30 PM CDTSpecial Weather StatementJANRankin60 min

Nearby

Special Weather Statements in Mississippi, 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.