Alert archive / Mississippi / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 198, NWS Mobile, AL

September 1, 2021Wayne County, Mississippi

NWS Mobile, AL issued this severe thunderstorm warning at Sep 1, 2021, 7:34 PM CDT for Wayne County, Mississippi. It was in force for 41 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
Sep 1, 2021, 7:34 PM CDT (00:34 UTC)
Expired
Sep 1, 2021, 8:15 PM CDT
In force
41 min
Issued by
NWS Mobile, AL
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

County Wayne County, MS

The radar

The Mobile radar (KMOB), 124 km from the middle of the area, began a volume at 00:34 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, 0.6 hours before the alert went out and 143 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 2021-09-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1607 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 2021-09-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 33 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
1607 J/kg
Mixed-layer CIN
-3 J/kg
Mixed-layer LCL
1520 m above ground
0-6 km bulk shear
20 kt
0-1 km storm-relative helicity
33 m²/s²
0-3 km storm-relative helicity
82 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

748 
WUUS54 KMOB 020034
SVRMOB
MSC153-020115-
/O.NEW.KMOB.SV.W.0198.210902T0034Z-210902T0115Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mobile AL
734 PM CDT Wed Sep 1 2021

The National Weather Service in Mobile has issued a

* Severe Thunderstorm Warning for...
  Wayne County in southeastern Mississippi...

* Until 815 PM CDT.

* At 733 PM CDT, severe thunderstorms were located along a line
  extending from 7 miles northeast of Mill Creek to 5 miles southwest
  of Crandall, moving south at 30 mph.

  HAZARD...60 mph wind gusts.

  SOURCE...Radar indicated.

  IMPACT...Expect damage to roofs, siding, and trees.

* Locations impacted include...
  Waynesboro, Clara and Buckatunna. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

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

&&

LAT...LON 3182 8894 3183 8876 3188 8849 3144 8845
      3143 8894
TIME...MOT...LOC 0033Z 353DEG 27KT 3179 8890 3191 8859 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$
2 follow-up statements
411 
WWUS54 KMOB 020055
SVSMOB

Severe Weather Statement
National Weather Service Mobile AL
755 PM CDT Wed Sep 1 2021

MSC153-020115-
/O.CON.KMOB.SV.W.0198.000000T0000Z-210902T0115Z/
Wayne MS-
755 PM CDT Wed Sep 1 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 815 PM CDT
FOR WAYNE COUNTY...

At 754 PM CDT, severe thunderstorms were located along a line
extending from Mill Creek to 3 miles west of Clara to near
Buckatunna, moving south at 35 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

IMPACT...Expect damage to roofs, siding, and trees.

Locations impacted include...
Waynesboro, Clara and Buckatunna. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

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

&&

LAT...LON 3182 8894 3183 8876 3188 8849 3144 8845
      3143 8894
TIME...MOT...LOC 0054Z 353DEG 30KT 3170 8893 3159 8876 3155 8849 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$
087 
WWUS54 KMOB 020114
SVSMOB

Severe Weather Statement
National Weather Service Mobile AL
814 PM CDT Wed Sep 1 2021

MSC153-020124-
/O.EXP.KMOB.SV.W.0198.000000T0000Z-210902T0115Z/
Wayne MS-
814 PM CDT Wed Sep 1 2021

...THE SEVERE THUNDERSTORM WARNING FOR WAYNE COUNTY WILL EXPIRE AT
815 PM CDT...
            
The storms which prompted the warning have weakened below severe
limits, and no longer pose an immediate threat to life or property.
Therefore, the warning will be allowed to expire.  However gusty
winds and heavy rain are still possible with these thunderstorms.

LAT...LON 3182 8894 3183 8876 3188 8849 3144 8845
      3143 8894
TIME...MOT...LOC 0114Z 353DEG 27KT 3156 8891 3145 8874 3141 8847 

$$

The office that day

Everything else NWS Mobile, AL issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Sep 1, 7:31 PM CDTSpecial Weather StatementMOBGreene, Wayne44 min
Sep 1, 8:19 PM CDTSpecial Weather StatementMOBGeorge, Greene, Perry41 min

Nearby

Severe Thunderstorm Warnings in Mississippi, 2021Every severe thunderstorm warning 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.