Alert archive / Mississippi / Tornado Warnings in 2020

Tornado Warning 72, NWS Mobile, AL

October 28, 2020Stone County, Mississippi

NWS Mobile, AL issued this tornado warning at Oct 28, 2020, 1:12 AM CDT for Stone County, Mississippi. It was in force for 18 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
Oct 28, 2020, 1:12 AM CDT (06:12 UTC)
Expired
Oct 28, 2020, 1:30 AM CDT
In force
18 min
Issued by
NWS Mobile, AL
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.75 in

County Stone County, MS

The radar

The Mobile radar (KMOB), 69 km from the middle of the area, began a volume at 06:12 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, 6.2 hours before the alert went out and 90 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 2020-10-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1953 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, Slidell Radar S, LA at 00:00Z on 2020-10-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 78 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
1953 J/kg
Mixed-layer CIN
0 J/kg
Mixed-layer LCL
494 m above ground
0-6 km bulk shear
19 kt
0-1 km storm-relative helicity
78 m²/s²
0-3 km storm-relative helicity
100 m²/s²
Significant tornado parameter
0.0
Supercell composite
3.1

Open this sounding in Storm Lab

The text

As transmitted.

147 
WFUS54 KMOB 280612
TORMOB
MSC131-280630-
/O.NEW.KMOB.TO.W.0072.201028T0612Z-201028T0630Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Mobile AL
112 AM CDT Wed Oct 28 2020

The National Weather Service in Mobile has issued a

* Tornado Warning for...
  Southeastern Stone County in southeastern Mississippi...

* Until 130 AM CDT.
    
* At 111 AM CDT, a severe thunderstorm capable of producing a tornado
  was located 10 miles north of Latimer, or 15 miles north of St.
  Martin, moving north at 15 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
  southeastern Stone 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 3079 8897 3078 8888 3068 8889 3068 8899
      3073 8903
TIME...MOT...LOC 0611Z 165DEG 15KT 3065 8892 

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

$$

Black
1 follow-up statement
482 
WWUS54 KMOB 280624
SVSMOB

Severe Weather Statement
National Weather Service Mobile AL
124 AM CDT Wed Oct 28 2020

MSC131-280634-
/O.EXP.KMOB.TO.W.0072.000000T0000Z-201028T0630Z/
Stone MS-
124 AM CDT Wed Oct 28 2020

...THE TORNADO WARNING FOR SOUTHEASTERN STONE COUNTY WILL EXPIRE AT
130 AM CDT...
                
The storm which prompted the warning has weakened below severe
limits, and no longer appears capable of producing a tornado.
Therefore, the warning will be allowed to expire.

LAT...LON 3079 8897 3078 8888 3068 8889 3068 8899
      3073 8903
TIME...MOT...LOC 0624Z 165DEG 15KT 3066 8892 

$$

Black

The office that day

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

IssuedProductOfficeCountiesLasted
Oct 28, 10:28 AM CDTRiver Flood WarningMOBGeorge, Greene, Wayne21 days
Oct 28, 10:36 AM CDTHurricane WarningMOBGeorge, Greene, Perry, Stone15 hr

Nearby

Tornado Warnings in Mississippi, 2020Every tornado warning in 2020Tornadoes in 2020

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.