Alert archive / Mississippi / Severe Thunderstorm Warnings in 2023

Severe Thunderstorm Warning 307, NWS Memphis, TN

August 7, 2023Itawamba County, Lee County, Monroe County, Mississippi

NWS Memphis, TN issued this severe thunderstorm warning at Aug 7, 2023, 1:39 PM CDT for Itawamba County, Lee County, Monroe County, Mississippi. It was in force for 36 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
Aug 7, 2023, 1:39 PM CDT (18:39 UTC)
Expired
Aug 7, 2023, 2:15 PM CDT
In force
36 min
Issued by
NWS Memphis, TN
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

Counties Itawamba County, MS, Lee County, MS, Monroe County, MS

The radar

The Columbus AFB radar (KGWX), 33 km from the middle of the area, began a volume at 18:40 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, 6.7 hours before the alert went out and 193 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, Birmingham, AL at 12:00Z on 2023-08-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2377 joules per kilogram.LCLLFCEL10008507005003002001001 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, Birmingham, AL at 12:00Z on 2023-08-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 108 square meters per square second.193958Sfc1 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
2377 J/kg
Mixed-layer CIN
-72 J/kg
Mixed-layer LCL
1025 m above ground
0-6 km bulk shear
22 kt
0-1 km storm-relative helicity
108 m²/s²
0-3 km storm-relative helicity
112 m²/s²
Significant tornado parameter
1.1
Supercell composite
10.7

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 Memphis, TN wrote its last area forecast discussion before this severe thunderstorm warning went out at Aug 7, 12:40 PM CDT, 59 minutes earlier.

Area forecast discussion, Aug 7, 12:40 PM CDT, 59 minutes before
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In the hours before

Local storm report, Aug 7, 9:32 AM CDT, 4 hours 7 minutes before
Preliminary Local Storm Report
National Weather Service Memphis TN
932 AM CDT Mon Aug 7 2023

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0918 AM     Tstm Wnd Gst     1 N Oakland             35.24N 89.51W
08/07/2023  E65 MPH          Fayette            TN   Trained Spotter

            Trained weather spotter estimated 65 mph
            winds.

&&

TB
Special weather statement, Aug 7, 9:36 AM CDT, 4 hours 3 minutes before
Special Weather Statement
National Weather Service Memphis TN
936 AM CDT Mon Aug 7 2023

MSZ001>003-071500-
Marshall MS-DeSoto MS-Benton MS-
936 AM CDT Mon Aug 7 2023

...A strong thunderstorm will impact portions of east central DeSoto,
central Marshall and northwestern Benton Counties through 1000 AM
CDT...

At 936 AM CDT, Doppler radar was tracking a strong thunderstorm near
Byhalia, or 13 miles west of Holly Springs, moving east at 50 mph.

HAZARD...Winds in excess of 30 mph.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects.

Locations impacted include...
Holly Springs, Byhalia, Red Banks, Coal Oil Corner, Atway, Victoria,
Mack, Mahon, Hudsonville, Higdon and Watson.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

&&

LAT...LON 3477 8972 3477 8977 3490 8978 3491 8927
      3473 8927 3472 8972
TIME...MOT...LOC 1436Z 264DEG 42KT 3482 8968

MAX HAIL SIZE...0.00 IN
MAX WIND GUST...30 MPH

CJC
Special weather statement, Aug 7, 10:06 AM CDT, 3 hours 33 minutes before
Special Weather Statement
National Weather Service Memphis TN
1006 AM CDT Mon Aug 7 2023

ARZ049-058-MSZ007-010-071600-
Phillips AR-Lee AR-Tunica MS-Coahoma MS-
1006 AM CDT Mon Aug 7 2023

...A strong thunderstorm will impact portions of southern Lee,
northern Phillips, northeastern Coahoma and southwestern Tunica
Counties through 1100 AM CDT...

At 1006 AM CDT, Doppler radar was tracking a strong thunderstorm near
Holly Grove, or 8 miles southeast of Clarendon, moving east at 45
mph.

HAZARD...Wind gusts up to 50 mph and half inch hail.

SOURCE...Radar indicated.

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

Locations impacted include...
Marvell, Helena-West Helena, St Francis National Park, Tunica, Lexa,
Rondo, Aubrey, Dundee, Lula, Lagrange, Preston Place, Quarles,
Austin, Jeffries, Wycamp, Latour, Turkey Scratch, Vineyard, Rich and
Helena Crossing.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

&&

LAT...LON 3473 9105 3468 9037 3441 9042 3452 9105
TIME...MOT...LOC 1506Z 278DEG 40KT 3464 9118

MAX HAIL SIZE...0.50 IN
MAX WIND GUST...50 MPH

DKJ
Special weather statement, Aug 7, 10:13 AM CDT, 3 hours 26 minutes before
Special Weather Statement
National Weather Service Memphis TN
1013 AM CDT Mon Aug 7 2023

MSZ004>006-009-TNZ090>092-071600-
Tippah MS-Tishomingo MS-Alcorn MS-Prentiss MS-Hardeman TN-McNairy TN-
Hardin TN-
1013 AM CDT Mon Aug 7 2023

...A strong thunderstorm will impact portions of Tippah, Tishomingo,
northern Prentiss, Alcorn, southeastern Hardeman, southern McNairy
and southern Hardin Counties through 1100 AM CDT...

At 1013 AM CDT, Doppler radar was tracking a strong thunderstorm near
Theo, or 8 miles southwest of Big Hill Pond State Park, moving east
at 60 mph.

HAZARD...Winds in excess of 40 mph and pea 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.

Locations impacted include...
Corinth, Booneville, Ripley, Iuka, Pickwick Landing State Park, J P
Coleman State Park, Big Hill Pond State Park, Burnsville, Jumpertown,
Glen, Pickwick Dam, Thrashers, Theo, Midway, Walnut Grove,
Pocahontas, Pineflat, Hinkle, Leedy and Gravestown.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

&&

LAT...LON 3500 8799 3501 8820 3492 8815 3489 8810
      3467 8813 3473 8909 3478 8909 3482 8907
      3482 8904 3486 8904 3486 8902 3493 8902
      3513 8892 3508 8799
TIME...MOT...LOC 1513Z 281DEG 51KT 3494 8880

MAX HAIL SIZE...0.25 IN
MAX WIND GUST...40 MPH

CJC
Special weather statement, Aug 7, 12:06 PM CDT, 1 hour 33 minutes before
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Local storm report, Aug 7, 1:14 PM CDT, 25 minutes before
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The office that day

Everything else NWS Memphis, TN issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Aug 7, 2:50 AM CDTHeat AdvisoryMEGCalhoun, Chickasaw, Monroe, Tallahatchie, Yalobusha12 hr
Aug 7, 9:32 AM CDTSevere Thunderstorm WarningMEGBenton, Tippah43 min
Aug 7, 9:36 AM CDTSpecial Weather StatementMEGMarshall24 min
Aug 7, 10:13 AM CDTSpecial Weather StatementMEGAlcorn, Tippah, Tishomingo47 min
Aug 7, 12:06 PM CDTSpecial Weather StatementMEGLee, Pontotoc, Prentiss, Tippah, Union24 min
Aug 7, 12:28 PM CDTSevere Thunderstorm WarningMEGAlcorn, Itawamba, Lafayette, Lee, Pontotoc, Prentiss and 2 more32 min
Aug 7, 12:59 PM CDTSevere Thunderstorm WarningMEGCalhoun, Chickasaw, Itawamba, Lee, Monroe, Pontotoc and 3 more46 min
Aug 7, 8:11 AM CDTSpecial Weather StatementMEGShelby34 min
Aug 7, 8:17 AM CDTSevere Thunderstorm WarningMEGShelby, Tipton43 min
Aug 7, 8:33 AM CDTSevere Thunderstorm WarningMEGFayette, Haywood, Shelby, Tipton27 min
Aug 7, 8:36 AM CDTSevere Thunderstorm WarningMEGShelby, Tipton28 min
Aug 7, 8:48 AM CDTSevere Thunderstorm WarningMEGChester, Fayette, Hardeman, Haywood, McNairy, Madison42 min
Aug 7, 9:02 AM CDTSpecial Weather StatementMEGFayette28 min
Aug 7, 9:10 AM CDTSevere Thunderstorm WarningMEGFayette35 min
Aug 7, 9:22 AM CDTSpecial Weather StatementMEGFayette38 min
Aug 7, 9:29 AM CDTSevere Thunderstorm WarningMEGChester, Decatur, Hardeman, Hardin, Henderson, McNairy and 1 more46 min
Aug 7, 7:00 AM CDTSpecial Weather StatementMEGPoinsett30 min
Aug 7, 7:27 AM CDTSpecial Weather StatementMEGPoinsett33 min
Aug 7, 7:53 AM CDTSpecial Weather StatementMEGCross37 min
Aug 7, 10:06 AM CDTSpecial Weather StatementMEGPhillips54 min

Nearby

Severe Thunderstorm Warnings in Mississippi, 2023Every 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.