Alert archive / Mississippi / Tornado Warnings in 2021

Tornado Warning 3, NWS Mobile, AL

March 17, 2021Wayne County, Mississippi

NWS Mobile, AL issued this tornado warning at Mar 17, 2021, 1:30 PM CDT for Wayne County, Mississippi. It was in force for 45 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 17, 2021, 1:30 PM CDT (18:30 UTC)
Expired: Mar 17, 2021, 2:15 PM CDT
In force: 45 min
Issued by: NWS Mobile, AL
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 0.75 in

County Wayne County, MS

The radar

The Jackson/Brandon,MS radar (KDGX), 122 km from the middle of the area, began a volume at 18:30 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Mar 17, 11:36 AM CDT	Tornado Watch PDS	SPC	7 hr

The nearest sounding before it

Jackson, MS (KJAN), launched 12:00Z, 6.5 hours before the alert went out and 132 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: 687 J/kg
Mixed-layer CIN: -86 J/kg
Mixed-layer LCL: 713 m above ground
0-6 km bulk shear: 61 kt
0-1 km storm-relative helicity: 218 m²/s²
0-3 km storm-relative helicity: 178 m²/s²
Significant tornado parameter: 0.6
Supercell composite: 4.9

Open this sounding in Storm Lab

The text

As transmitted.

827 
WFUS54 KMOB 171830
TORMOB
MSC153-171915-
/O.NEW.KMOB.TO.W.0003.210317T1830Z-210317T1915Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Mobile AL
130 PM CDT Wed Mar 17 2021

The National Weather Service in Mobile has issued a

* Tornado Warning for...
  Northwestern Wayne County in southeastern Mississippi...

* Until 215 PM CDT.
    
* At 130 PM CDT, a severe thunderstorm capable of producing a tornado
  was located near Ovett, or 11 miles east of Ellisville, moving
  northeast at 30 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
  northwestern Wayne 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.

&&

LAT...LON 3175 8894 3183 8889 3171 8868 3154 8894
TIME...MOT...LOC 1830Z 225DEG 25KT 3154 8903 

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

$$

2 follow-up statements

288 
WWUS54 KMOB 171847
SVSMOB

Severe Weather Statement
National Weather Service Mobile AL
147 PM CDT Wed Mar 17 2021

MSC153-171915-
/O.CON.KMOB.TO.W.0003.000000T0000Z-210317T1915Z/
Wayne MS-
147 PM CDT Wed Mar 17 2021

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 215 PM CDT FOR
NORTHWESTERN WAYNE COUNTY...
    
At 147 PM CDT, a severe thunderstorm capable of producing a tornado
was located 6 miles southeast of Mill Creek, or 15 miles west of
Waynesboro, moving northeast at 30 mph.

HAZARD...Tornado and quarter size hail.

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
northwestern Wayne 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.

&&

LAT...LON 3174 8894 3182 8889 3175 8875 3171 8868
      3154 8894
TIME...MOT...LOC 1847Z 237DEG 27KT 3161 8890 

TORNADO...RADAR INDICATED
HAIL...1.00IN

$$

423 
WWUS54 KMOB 171907
SVSMOB

Severe Weather Statement
National Weather Service Mobile AL
207 PM CDT Wed Mar 17 2021

MSC153-171916-
/O.EXP.KMOB.TO.W.0003.000000T0000Z-210317T1915Z/
Wayne MS-
207 PM CDT Wed Mar 17 2021

...THE TORNADO WARNING FOR NORTHWESTERN WAYNE COUNTY WILL EXPIRE AT
215 PM CDT...
                
The storm which prompted the warning no longer appears capable of 
producing a tornado. Therefore, the warning will be allowed to 
expire.

A Tornado Watch remains in effect until 700 PM CDT for southeastern
Mississippi.



LAT...LON 3174 8894 3182 8889 3175 8875 3171 8868
      3154 8894
TIME...MOT...LOC 1906Z 225DEG 25KT 3170 8879 

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 16, 9:23 PM CDT	Areal Flood Warning	MOB	Wayne	16 hr
Mar 17, 4:27 AM CDT	Flash Flood Watch	MOB	Wayne	18 hr
Mar 17, 10:28 AM CDT	River Flood Warning	MOB	George, Greene, Wayne	21 days
Mar 17, 10:32 AM CDT	River Flood Warning	MOB	George, Greene, Perry	18 days
Mar 17, 11:41 AM CDT	Special Weather Statement	MOB	Wayne	49 min
Mar 17, 11:58 AM CDT	Tornado Warning	MOB	Wayne	47 min
Mar 17, 12:59 PM CDT	Severe Thunderstorm Warning	MOB	Wayne	46 min
Mar 17, 2:03 PM CDT	Severe Thunderstorm Warning	MOB	Wayne	42 min
Mar 17, 2:19 PM CDT	Flash Flood Warning	MOB	Wayne	6 hr
Mar 17, 2:34 PM CDT	Severe Thunderstorm Warning	MOB	Wayne	56 min
Mar 17, 3:28 PM CDT	Severe Thunderstorm Warning	MOB	Wayne	47 min
Mar 17, 3:46 PM CDT	Tornado Warning	MOB	Wayne	44 min
Mar 17, 4:04 PM CDT	Tornado Warning	MOB	Wayne	26 min
Mar 17, 6:19 PM CDT	Severe Thunderstorm Warning	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.