Alert archive / Mississippi / Tornado Warnings in 2021

Tornado Warning 16, NWS Mobile, AL

March 30, 2021Greene County, Mississippi

NWS Mobile, AL issued this tornado warning at Mar 30, 2021, 6:49 PM CDT for Greene 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
Mar 30, 2021, 6:49 PM CDT (23:49 UTC)
Expired
Mar 30, 2021, 7:30 PM CDT
In force
41 min
Issued by
NWS Mobile, AL
Area
Storm-based polygon
Tornado
Observed
Hail
0.75 in

County Greene County, MS

The radar

The Mobile radar (KMOB), 62 km from the middle of the area, began a volume at 23:53 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

Slidell Radar S, LA (KSIL), launched 12:00Z, 11.8 hours before the alert went out and 134 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 12:00Z on 2021-03-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 60 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 12:00Z on 2021-03-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 110 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
60 J/kg
Mixed-layer CIN
-225 J/kg
Mixed-layer LCL
902 m above ground
0-6 km bulk shear
17 kt
0-1 km storm-relative helicity
110 m²/s²
0-3 km storm-relative helicity
133 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

581 
WFUS54 KMOB 302349
TORMOB
MSC041-310030-
/O.NEW.KMOB.TO.W.0016.210330T2349Z-210331T0030Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Mobile AL
649 PM CDT Tue Mar 30 2021

The National Weather Service in Mobile has issued a

* Tornado Warning for...
  Southern Greene County in southeastern Mississippi...

* Until 730 PM CDT.

* At 648 PM CDT, a confirmed tornado was located 7 miles southeast of
  McLain, or 11 miles northwest of Lucedale, moving northeast at 20
  mph.

  HAZARD...Damaging tornado.

  SOURCE...Public confirmed tornado.

  IMPACT...Flying debris will be dangerous to those caught without 
           shelter. Mobile homes will be damaged or destroyed. 
           Damage to roofs, windows, and vehicles will occur.  Tree 
           damage is likely.

* The tornado will be near...
  Leakesville around 730 PM CDT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

To repeat, a tornado is on the ground. TAKE COVER NOW! Move to a
basement or an interior room on the lowest floor of a sturdy
building. Avoid windows. If you are outdoors, in a mobile home, or in
a vehicle, move to the closest substantial shelter and protect
yourself from flying debris.

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

&&

LAT...LON 3100 8873 3100 8881 3123 8867 3119 8848
TIME...MOT...LOC 2348Z 218DEG 19KT 3102 8875 

TORNADO...OBSERVED
HAIL...<.75IN

$$

CGAL
2 follow-up statements
205 
WWUS54 KMOB 310005
SVSMOB

Severe Weather Statement
National Weather Service Mobile AL
705 PM CDT Tue Mar 30 2021

MSC041-310030-
/O.CON.KMOB.TO.W.0016.000000T0000Z-210331T0030Z/
Greene MS-
705 PM CDT Tue Mar 30 2021

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 730 PM CDT FOR SOUTHERN
GREENE COUNTY...
    
At 705 PM CDT, a confirmed tornado was located 8 miles east of
McLain, or 8 miles southwest of Leakesville, moving northeast at 20
mph.

HAZARD...Damaging tornado.

SOURCE...Public confirmed tornado.

IMPACT...Flying debris will be dangerous to those caught without 
         shelter. Mobile homes will be damaged or destroyed. Damage 
         to roofs, windows, and vehicles will occur.  Tree damage is 
         likely.

This tornado will be near...
  Leakesville around 725 PM CDT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

To repeat, a tornado is on the ground. TAKE COVER NOW! Move to a
basement or an interior room on the lowest floor of a sturdy
building. Avoid windows. If you are outdoors, in a mobile home, or in
a vehicle, move to the closest substantial shelter and protect
yourself from flying debris.

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

&&

LAT...LON 3103 8869 3105 8878 3123 8867 3119 8848
TIME...MOT...LOC 0005Z 218DEG 19KT 3109 8869 

TORNADO...OBSERVED
HAIL...<.75IN

$$

CGAL
537 
WWUS54 KMOB 310015
SVSMOB

Severe Weather Statement
National Weather Service Mobile AL
715 PM CDT Tue Mar 30 2021

MSC041-310030-
/O.CON.KMOB.TO.W.0016.000000T0000Z-210331T0030Z/
Greene MS-
715 PM CDT Tue Mar 30 2021

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 730 PM CDT FOR
SOUTHEASTERN GREENE COUNTY...
    
At 715 PM CDT, a severe thunderstorm capable of producing a tornado
was located 5 miles west of Leakesville, moving northeast at 20 mph.

HAZARD...Tornado.

SOURCE...Radar indicated rotation.

IMPACT...Flying debris will be dangerous to those caught without 
         shelter. Mobile homes will be damaged or destroyed. Damage 
         to roofs, windows, and vehicles will occur.  Tree damage is 
         likely.

This dangerous storm will be near...
  Leakesville around 730 PM CDT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

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

&&

LAT...LON 3108 8863 3111 8874 3123 8867 3119 8848
TIME...MOT...LOC 0015Z 218DEG 19KT 3113 8865 

TORNADO...RADAR INDICATED
HAIL...<.75IN

$$

CGAL

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 30, 1:05 PM CDTWind AdvisoryMOBGeorge, Greene, Perry, Stone, Wayne54 hr
Mar 30, 4:43 PM CDTSpecial Weather StatementMOBStone47 min
Mar 30, 5:05 PM CDTSevere Thunderstorm WarningMOBGeorge, Greene, Perry, Stone40 min
Mar 30, 5:15 PM CDTSevere Thunderstorm WarningMOBStone45 min
Mar 30, 5:46 PM CDTSpecial Weather StatementMOBGreene44 min
Mar 30, 5:59 PM CDTSpecial Weather StatementMOBStone46 min
Mar 30, 6:17 PM CDTFlash Flood WarningMOBGeorge, Greene, Perry, Stone3 hr
Mar 30, 6:33 PM CDTSpecial Weather StatementMOBGreene42 min
Mar 30, 6:44 PM CDTSpecial Weather StatementMOBGeorge46 min

Nearby

Tornado Warnings in Mississippi, 2021Every tornado warning in 2021Tornadoes 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.