Alert archive / Mississippi / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 1, NWS Mobile, AL

February 11, 2021George County, Greene County, Mississippi

NWS Mobile, AL issued this severe thunderstorm warning at Feb 11, 2021, 5:29 AM CST for George County, Greene County, Mississippi. It was in force for 46 min. 1 report came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
Feb 11, 2021, 5:29 AM CST (11:29 UTC)
Expired
Feb 11, 2021, 6:15 AM CST
In force
46 min
Issued by
NWS Mobile, AL
Area
Storm-based polygon
Hail
1.0 in
Wind
50.0 mph

Counties George County, MS, Greene County, MS

What was reported inside it

TimeReportWhereRemark
Feb 11, 6:10 AM CSTHAIL 0.25Lucedale, MSPUBLIC REPORT OF PEA SIZE HAIL. TIME ESTIMATED FROM RADAR.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Slidell Radar S, LA (KSIL), launched 00:00Z, 11.5 hours before the alert went out and 119 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, Slidell Radar S, LA at 00:00Z on 2021-02-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 478 joules per kilogram.LCLLFCEL10008507005003002001001 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, Slidell Radar S, LA at 00:00Z on 2021-02-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 103 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
478 J/kg
Mixed-layer CIN
-65 J/kg
Mixed-layer LCL
511 m above ground
0-6 km bulk shear
30 kt
0-1 km storm-relative helicity
103 m²/s²
0-3 km storm-relative helicity
149 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

The text

As transmitted.

492 
WUUS54 KMOB 111129
SVRMOB
MSC039-041-111215-
/O.NEW.KMOB.SV.W.0001.210211T1129Z-210211T1215Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mobile AL
529 AM CST Thu Feb 11 2021

The National Weather Service in Mobile has issued a

* Severe Thunderstorm Warning for...
  Central George County in southeastern Mississippi...
  South central Greene County in southeastern Mississippi...

* Until 615 AM CST.

* At 529 AM CST, a severe thunderstorm was located 10 miles southwest
  of Lucedale, moving northeast at 10 mph.

  HAZARD...Quarter size hail.

  SOURCE...Radar indicated.

  IMPACT...Damage to vehicles is expected.

* Locations impacted include...
  Lucedale.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Large hail and damaging winds and continuous cloud to ground
lightning is occurring with this storm. Move indoors immediately.
Lightning is one of nature's leading killers. Remember, if you can
hear thunder, you are close enough to be struck by lightning.

&&

LAT...LON 3076 8876 3084 8885 3108 8862 3092 8844
TIME...MOT...LOC 1129Z 225DEG 11KT 3085 8875 

HAIL...1.00IN
WIND...<50MPH
 
$$
1 follow-up statement
063 
WWUS54 KMOB 111201
SVSMOB

Severe Weather Statement
National Weather Service Mobile AL
601 AM CST Thu Feb 11 2021

MSC039-041-111215-
/O.CON.KMOB.SV.W.0001.000000T0000Z-210211T1215Z/
George MS-Greene MS-
601 AM CST Thu Feb 11 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 615 AM CST
FOR NORTHEASTERN GEORGE AND SOUTH CENTRAL GREENE COUNTIES...

At 601 AM CST, a severe thunderstorm was located 4 miles west of
Lucedale, moving northeast at 15 mph.

HAZARD...Quarter size hail.

SOURCE...Radar indicated.

IMPACT...Damage to vehicles is expected.

Locations impacted include...
Lucedale.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Continuous cloud to ground lightning is occurring with this storm.
Move indoors immediately. Lightning is one of nature's leading
killers. Remember, if you can hear thunder, you are close enough to
be struck by lightning.

&&

LAT...LON 3084 8868 3090 8876 3108 8862 3093 8845
TIME...MOT...LOC 1201Z 225DEG 11KT 3092 8867 

HAIL...1.00IN
WIND...<50MPH
 
$$

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 11, 5:18 AM CSTSpecial Weather StatementMOBGeorge42 min
Feb 11, 6:42 AM CSTSpecial Weather StatementMOBGreene48 min
Feb 11, 10:23 AM CSTSpecial Weather StatementMOBGreene, Perry52 min
Feb 11, 11:12 AM CSTSpecial Weather StatementMOBGreene, Wayne48 min
Feb 11, 12:12 PM CSTSpecial Weather StatementMOBStone48 min
Feb 11, 12:26 PM CSTSevere Thunderstorm WarningMOBStone34 min
Feb 11, 12:48 PM CSTSpecial Weather StatementMOBStone57 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive.