Alert archive / Mississippi / Severe Thunderstorm Warnings in 2023

Severe Thunderstorm Warning 296, NWS Memphis, TN

August 6, 20235 counties in Mississippi

NWS Memphis, TN issued this severe thunderstorm warning at Aug 6, 2023, 12:42 PM CDT for 5 counties in Mississippi. It was in force for 48 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 6, 2023, 12:42 PM CDT (17:42 UTC)
Expired
Aug 6, 2023, 1:30 PM CDT
In force
48 min
Issued by
NWS Memphis, TN
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

Counties Chickasaw County, MS, Itawamba County, MS, Lee County, MS, Monroe County, MS, Pontotoc County, MS

The radar

The Columbus AFB radar (KGWX), 42 km from the middle of the area, began a volume at 17:43 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, 5.7 hours before the alert went out and 206 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 2023-08-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2351 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 2023-08-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 84 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
2351 J/kg
Mixed-layer CIN
-69 J/kg
Mixed-layer LCL
979 m above ground
0-6 km bulk shear
19 kt
0-1 km storm-relative helicity
84 m²/s²
0-3 km storm-relative helicity
104 m²/s²
Significant tornado parameter
0.0
Supercell composite
4.7

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 6, 12:40 PM CDT, 2 minutes earlier.

Area forecast discussion, Aug 6, 12:40 PM CDT, 2 minutes before
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In the hours before

Local storm report, Aug 6, 9:14 AM CDT, 3 hours 28 minutes before
Preliminary Local Storm Report
National Weather Service Memphis TN
914 AM CDT Sun Aug 6 2023

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

0516 PM     Tstm Wnd Dmg     1 N Somerville          35.26N 89.35W
08/05/2023                   Fayette            TN   Emergency Mngr

            Several utility poles were snapped along
            Highway 76 just north of town. Large were
            downed as well.

&&

MJ
Local storm report, Aug 6, 9:21 AM CDT, 3 hours 21 minutes before
Preliminary Local Storm Report
National Weather Service Memphis TN
921 AM CDT Sun Aug 6 2023

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

0537 PM     Tstm Wnd Dmg     1 WNW Bolivar           35.27N 89.01W
08/05/2023                   Hardeman           TN   Public

            Power lines and a large tree down along
            Highway 64.

&&

MJ
Local storm report, Aug 6, 9:27 AM CDT, 3 hours 15 minutes before
Preliminary Local Storm Report
National Weather Service Memphis TN
927 AM CDT Sun Aug 6 2023

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

0521 PM     Tstm Wnd Dmg     1 SSW Medon             35.45N 88.87W
08/05/2023                   Madison            TN   Public

            Several trees down along Highway 18 near
            Medon.

&&

MJ
Special weather statement, Aug 6, 11:11 AM CDT, 1 hour 31 minutes before
Special Weather Statement
National Weather Service Memphis TN
1111 AM CDT Sun Aug 6 2023

MSZ020-021-061645-
Tallahatchie MS-Yalobusha MS-
1111 AM CDT Sun Aug 6 2023

...A strong thunderstorm will impact portions of central Yalobusha
and northeastern Tallahatchie Counties through 1145 AM CDT...

At 1111 AM CDT, Doppler radar was tracking a strong thunderstorm over
Scobey, or 11 miles east of Charleston, moving east at 25 mph.

HAZARD...Winds in excess of 30 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...
Water Valley, Charleston, Coffeeville, Velma, Scobey, Oakland,
Bryant, Gums and Tillatoba.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

&&

LAT...LON 3388 8977 3390 8977 3390 8992 3389 8993
      3390 9002 3407 9006 3414 8963 3387 8960
TIME...MOT...LOC 1611Z 265DEG 24KT 3396 8987

MAX HAIL SIZE...0.50 IN
MAX WIND GUST...30 MPH

MJ
Special weather statement, Aug 6, 11:35 AM CDT, 1 hour 7 minutes before
Special Weather Statement
National Weather Service Memphis TN
1135 AM CDT Sun Aug 6 2023

MSZ021-022-061700-
Calhoun MS-Yalobusha MS-
1135 AM CDT Sun Aug 6 2023

...A strong thunderstorm will impact portions of southeastern
Yalobusha and northwestern Calhoun Counties through NOON CDT...

At 1135 AM CDT, Doppler radar was tracking a strong thunderstorm 7
miles southeast of Velma, or 12 miles southeast of Water Valley,
moving east at 30 mph.

HAZARD...Winds in excess of 40 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...
Bruce, Pittsboro, Banner, Velma, Spearman, Benwood, Pine Valley,
Ellard, Shepherd, Skuna, Tyson, Gums and Sarepta.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

&&

LAT...LON 3409 8966 3416 8932 3416 8929 3392 8926
      3390 8963
TIME...MOT...LOC 1635Z 259DEG 24KT 3400 8955

MAX HAIL SIZE...0.50 IN
MAX WIND GUST...40 MPH

MJ
Special weather statement, Aug 6, 11:58 AM CDT, 44 minutes before
Special Weather Statement
National Weather Service Memphis TN
1158 AM CDT Sun Aug 6 2023

MSZ015-022-023-061730-
Pontotoc MS-Calhoun MS-Chickasaw MS-
1158 AM CDT Sun Aug 6 2023

...A strong thunderstorm will impact portions of northwestern
Chickasaw, northern Calhoun and southwestern Pontotoc Counties
through 1230 PM CDT...

At 1158 AM CDT, Doppler radar was tracking a strong thunderstorm near
Bruce, or 18 miles northwest of Houston, moving east at 35 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...
Pontotoc, Bruce, Banner, Houlka, Randolph, New Houlka, Algoma, Robbs,
Chiwapa, Reid, Ellard, Pannell, Thelma, Shepherd, Matthews, Sarepta
and Wallfield.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

&&

LAT...LON 3397 8945 3409 8948 3425 8894 3399 8890
TIME...MOT...LOC 1658Z 262DEG 29KT 3406 8926

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

MJ

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 6, 12:15 AM CDTSpecial Weather StatementMEGAlcorn30 min
Aug 6, 12:26 AM CDTAreal Flood AdvisoryMEGAlcorn, Tippah2 hr
Aug 6, 12:44 AM CDTSpecial Weather StatementMEGAlcorn31 min
Aug 6, 11:11 AM CDTSpecial Weather StatementMEGYalobusha34 min
Aug 6, 11:35 AM CDTSpecial Weather StatementMEGCalhoun25 min
Aug 6, 11:58 AM CDTSpecial Weather StatementMEGPontotoc32 min
Aug 6, 12:14 PM CDTSevere Thunderstorm WarningMEGCalhoun, Chickasaw, Pontotoc46 min
Aug 6, 1:11 PM CDTSevere Thunderstorm WarningMEGItawamba, Lee, Monroe, Prentiss, Tishomingo43 min
Aug 6, 12:09 AM CDTSpecial Weather StatementMEGHardin36 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.