Alert archive / Mississippi / Tornado Warnings in 2021

Tornado Warning 18, NWS Mobile, AL

March 30, 2021Greene County, Mississippi

NWS Mobile, AL issued this tornado warning at Mar 30, 2021, 7:32 PM CDT for Greene County, Mississippi. It was in force for 58 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, 7:32 PM CDT (00:32 UTC)
Expired: Mar 30, 2021, 8:30 PM CDT
In force: 58 min
Issued by: NWS Mobile, AL
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 0.75 in

County Greene County, MS

The radar

The Mobile radar (KMOB), 70 km from the middle of the area, began a volume at 00:32 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 00:00Z, 0.5 hours before the alert went out and 152 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 1108 J/kg
Mixed-layer CIN: -1 J/kg
Mixed-layer LCL: 775 m above ground
0-6 km bulk shear: 32 kt
0-1 km storm-relative helicity: 80 m²/s²
0-3 km storm-relative helicity: 122 m²/s²
Significant tornado parameter: 0.4
Supercell composite: 3.9

Open this sounding in Storm Lab

The text

As transmitted.

642 
WFUS54 KMOB 310032
TORMOB
MSC041-310130-
/O.NEW.KMOB.TO.W.0018.210331T0032Z-210331T0130Z/

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

The National Weather Service in Mobile has issued a

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

* Until 830 PM CDT.
    
* At 731 PM CDT, a severe thunderstorm capable of producing a tornado
  was located 4 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 735 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 3144 8846 3144 8845 3125 8844 3100 8874
      3100 8878 3105 8884
TIME...MOT...LOC 0031Z 221DEG 16KT 3117 8863 

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

$$

CGAL

4 follow-up statements

945 
WWUS54 KMOB 310057
SVSMOB

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

MSC041-310130-
/O.CON.KMOB.TO.W.0018.000000T0000Z-210331T0130Z/
Greene MS-
757 PM CDT Tue Mar 30 2021

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 830 PM CDT FOR CENTRAL
GREENE COUNTY...
    
At 755 PM CDT, a severe thunderstorm capable of producing a tornado 
was located 6 miles north of Leakesville, moving northeast at 20 
mph. Additional storms with circulations are noted to the southwest 
of this storm, such as northwest of Hillman and northeast of Leaf, 
moving northeast.

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 tornadic thunderstorm will remain over mainly rural areas of
central Greene County.

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 3144 8846 3144 8845 3125 8844 3102 8872
      3109 8880
TIME...MOT...LOC 0055Z 221DEG 16KT 3125 8855 

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

$$

CGAL

060 
WWUS54 KMOB 310106
SVSMOB

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

MSC041-310130-
/O.CON.KMOB.TO.W.0018.000000T0000Z-210331T0130Z/
Greene MS-
806 PM CDT Tue Mar 30 2021

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 830 PM CDT FOR EASTERN
GREENE COUNTY...
    
At 805 PM CDT, a severe thunderstorm capable of producing a tornado
was located 5 miles northwest 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.

Locations impacted include...
Leakesville.

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 3144 8846 3144 8845 3125 8844 3107 8866
      3115 8875
TIME...MOT...LOC 0105Z 230DEG 19KT 3119 8864 

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

$$

CGAL

628 
WWUS54 KMOB 310114
SVSMOB

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

MSC041-310130-
/O.CON.KMOB.TO.W.0018.000000T0000Z-210331T0130Z/
Greene MS-
814 PM CDT Tue Mar 30 2021

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 830 PM CDT FOR
NORTHEASTERN GREENE COUNTY...
    
At 813 PM CDT, a severe thunderstorm capable of producing a tornado
was located 6 miles northwest of Leakesville, moving northeast at 20 
mph. Additionally, another storm with a circulation was noted just 
southeast of Bradley moving northeast.

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 tornadic thunderstorm will remain over mainly rural areas of
northeastern Greene County.

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 3144 8846 3144 8845 3125 8844 3113 8867
      3118 8872
TIME...MOT...LOC 0113Z 217DEG 18KT 3122 8863 

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

$$

CGAL

617 
WWUS54 KMOB 310124
SVSMOB

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

MSC041-310130-
/O.CON.KMOB.TO.W.0018.000000T0000Z-210331T0130Z/
Greene MS-
824 PM CDT Tue Mar 30 2021

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 830 PM CDT FOR
NORTHEASTERN GREENE COUNTY...
    
At 824 PM CDT, a severe thunderstorm capable of producing a tornado
was located near Leakesville, moving northeast at 25 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 tornadic thunderstorm will remain over mainly rural areas of
northeastern Greene County.

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 3144 8846 3144 8845 3125 8844 3115 8862
      3124 8866
TIME...MOT...LOC 0124Z 226DEG 23KT 3118 8860 

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

$$

CGAL

The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 30, 7:10 PM CDT	Special Weather Statement	MOB	Perry	50 min
Mar 30, 7:13 PM CDT	Tornado Warning	MOB	Greene, Perry	47 min
Mar 30, 7:45 PM CDT	Areal Flood Advisory	MOB	Greene, Perry	108 min
Mar 30, 8:29 PM CDT	Tornado Warning	MOB	Greene	31 min
Mar 31, 12:36 PM CDT	Severe Thunderstorm Warning	MOB	Wayne	54 min
Mar 31, 1:20 PM CDT	Special Weather Statement	MOB	Greene	40 min
Mar 31, 1:43 PM CDT	Freeze Watch	MOB	Greene, Wayne	13 hr
Mar 31, 2:04 PM CDT	Special Weather Statement	MOB	Greene, Perry, Wayne	56 min

Nearby

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