Alert archive / Mississippi / Special Weather Statements in 2021

Special Weather Statement, NWS Jackson, MS

July 12, 2021Claiborne County, Hinds County, Warren County, Mississippi

NWS Jackson, MS issued this special weather statement at Jul 12, 2021, 4:13 AM CDT for Claiborne County, Hinds County, Warren County, Mississippi. It was in force for 47 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 12, 2021, 4:13 AM CDT (09:13 UTC)
Expired
Jul 12, 2021, 5:00 AM CDT
In force
47 min
Issued by
NWS Jackson, MS

Counties Claiborne County, MS, Hinds County, MS, Warren County, MS

The radar

The Jackson/Brandon,MS radar (KDGX), 65 km from the middle of the area, began a volume at 09:15 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, 9.2 hours before the alert went out and 56 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 2021-07-12Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 691 joules per kilogram.LCLEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Jackson, MS at 00:00Z on 2021-07-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 82 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
691 J/kg
Mixed-layer CIN
-2 J/kg
Mixed-layer LCL
670 m above ground
0-6 km bulk shear
17 kt
0-1 km storm-relative helicity
82 m²/s²
0-3 km storm-relative helicity
97 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

154 
WWUS84 KJAN 120913
SPSJAN

Special Weather Statement
National Weather Service Jackson MS
413 AM CDT Mon Jul 12 2021
 
MSZ047-048-053-054-121000-
Copiah MS-Warren MS-Hinds MS-Claiborne MS-
413 AM CDT Mon Jul 12 2021

...A STRONG THUNDERSTORM WILL AFFECT CENTRAL WARREN...NORTHEASTERN
CLAIBORNE...HINDS AND NORTHWESTERN COPIAH COUNTIES UNTIL 500 AM
CDT...

At 413 AM CDT, Meteorologists were tracking strong thunderstorms
along a line extending from near Vicksburg to near Hermanville.
Movement was east at 40 mph.

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

Strong thunderstorms will be near...
  Newman and Bovina around 420 AM CDT.
  Flowers and Reganton around 425 AM CDT.
  Edwards and Carpenter around 430 AM CDT.
  Utica around 435 AM CDT.
  Raymond and Bolton around 445 AM CDT.
  Dry Grove around 450 AM CDT.
  Jackson and Clinton around 455 AM CDT.

Other locations impacted by these storms include Learned.

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.

Frequent cloud to ground lightning is occurring with these storms.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.

&&

LAT...LON 3244 9086 3246 9025 3198 9038 3192 9102
TIME...MOT...LOC 0913Z 261DEG 36KT 3227 9080 3202 9087 

$$

DC

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 12, 3:00 AM CDTSevere Thunderstorm WarningJANIssaquena, Warren45 min
Jul 12, 3:45 AM CDTSpecial Weather StatementJANWarren45 min
Jul 12, 6:04 AM CDTSpecial Weather StatementJANMontgomery41 min
Jul 12, 7:44 AM CDTSpecial Weather StatementJANJefferson61 min
Jul 12, 9:37 AM CDTSpecial Weather StatementJANSimpson53 min
Jul 12, 10:26 AM CDTSpecial Weather StatementJANCovington64 min
Jul 12, 11:10 AM CDTSpecial Weather StatementJANForrest, Lamar65 min
Jul 12, 11:51 AM CDTSpecial Weather StatementJANJones39 min
Jul 12, 2:15 AM CDTSpecial Weather StatementJANFranklin, Richland45 min
Jul 12, 2:33 AM CDTSevere Thunderstorm WarningJANFranklin, Richland42 min
Jul 12, 3:26 AM CDTSpecial Weather StatementJANTensas49 min
Jul 12, 6:45 AM CDTSpecial Weather StatementJANCatahoula, Concordia, Tensas45 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; radar from the NEXRAD Level II archive.