Alert archive / Mississippi / Severe Thunderstorm Warnings in 2023

Severe Thunderstorm Warning 485, NWS Jackson, MS

July 2, 2023Carroll County, Mississippi

NWS Jackson, MS issued this severe thunderstorm warning at Jul 2, 2023, 5:56 PM CDT for Carroll 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 counties it named.

The facts

Issued: Jul 2, 2023, 5:56 PM CDT (22:56 UTC)
Expired: Jul 2, 2023, 6:45 PM CDT
In force: 49 min
Issued by: NWS Jackson, MS
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

County Carroll County, MS

The radar

The Jackson/Brandon,MS radar (KDGX), 130 km from the middle of the area, began a volume at 22:58 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

Birmingham, AL (KBMX), launched 12:00Z, 10.9 hours before the alert went out and 293 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: 1738 J/kg
Mixed-layer CIN: -82 J/kg
Mixed-layer LCL: 917 m above ground
0-6 km bulk shear: 23 kt
0-1 km storm-relative helicity: 84 m²/s²
0-3 km storm-relative helicity: 83 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this severe thunderstorm warning 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 severe thunderstorm warning went out at Jul 2, 3:05 PM CDT, 2 hours 51 minutes earlier.

Area forecast discussion, Jul 2, 3:05 PM CDT, 2 hours 51 minutes before

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Hazardous weather outlook, Jul 2, 2:55 PM CDT, 3 hours 1 minute before

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In the hours before

Special weather statement, Jul 2, 1:20 PM CDT, 4 hours 36 minutes before

Special Weather Statement
National Weather Service Jackson MS
120 PM CDT Sun Jul 2 2023

MSZ026>028-021900-
Carroll MS-Grenada MS-Montgomery MS-
120 PM CDT Sun Jul 2 2023

...A cluster of strong thunderstorms will impact portions of central
Carroll, south central Grenada and northwestern Montgomery Counties
through 200 PM CDT...

At 118 PM CDT, Doppler radar was tracking a strong thunderstorm near
Seven Pines, or 8 miles southeast of Greenwood, moving northeast at
30 mph.

HAZARD...Winds in excess of 40 mph and penny size hail.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects. Minor damage to outdoor objects is
         possible.

This strong thunderstorm will be near...
  Coila around 125 PM CDT.
  Malmaison around 130 PM CDT.
  Carrollton and North Carrollton around 135 PM CDT.
  Jefferson around 145 PM CDT.
  Winona around 150 PM CDT.
  Elliott and Duck Hill around 200 PM CDT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

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 this storm.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.

A Severe Thunderstorm Watch remains in effect until 800 PM CDT for
north central Mississippi.

&&

LAT...LON 3375 8977 3348 8960 3332 9008 3342 9014
      3346 9014 3346 9010 3353 9010
TIME...MOT...LOC 1818Z 242DEG 27KT 3344 9006

MAX HAIL SIZE...0.75 IN
MAX WIND GUST...40 MPH

19

Special weather statement, Jul 2, 2:20 PM CDT, 3 hours 36 minutes before

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Special weather statement, Jul 2, 3:45 PM CDT, 2 hours 11 minutes before

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Special weather statement, Jul 2, 4:11 PM CDT, 1 hour 45 minutes before

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Special weather statement, Jul 2, 4:36 PM CDT, 1 hour 20 minutes before

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Special weather statement, Jul 2, 5:46 PM CDT, 10 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
Jul 2, 6:02 AM CDT	Special Weather Statement	JAN	Washington	58 min
Jul 2, 12:49 PM CDT	Special Weather Statement	JAN	Carroll	26 min
Jul 2, 1:20 PM CDT	Special Weather Statement	JAN	Carroll, Montgomery	40 min
Jul 2, 1:36 PM CDT	Severe Thunderstorm Warning	JAN	Carroll, Grenada, Montgomery, Webster	54 min
Jul 2, 2:20 PM CDT	Special Weather Statement	JAN	Grenada	40 min
Jul 2, 3:45 PM CDT	Special Weather Statement	JAN	Montgomery	45 min
Jul 2, 5:46 PM CDT	Special Weather Statement	JAN	Carroll	44 min
Jul 2, 6:03 PM CDT	Special Weather Statement	JAN	Forrest	27 min
Jul 2, 6:21 PM CDT	Special Weather Statement	JAN	Leflore	24 min
Jul 2, 6:53 PM CDT	Special Weather Statement	JAN	Jasper, Lauderdale	52 min
Jul 2, 4:11 PM CDT	Special Weather Statement	JAN	Morehouse	49 min
Jul 2, 4:36 PM CDT	Special Weather Statement	JAN	Ashley	39 min

Nearby

Severe Thunderstorm Warnings in Mississippi, 2023 Every severe thunderstorm warning in 2023

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.