Alert archive / Mississippi / Tornado Warnings in 2021

Tornado Warning 53, NWS Mobile, AL

August 30, 2021George County, Greene County, Perry County, Mississippi

NWS Mobile, AL issued this tornado warning at Aug 30, 2021, 3:39 AM CDT for George County, Greene County, Perry County, Mississippi. It was in force for 20 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
Aug 30, 2021, 3:39 AM CDT (08:39 UTC)
Expired
Aug 30, 2021, 3:59 AM CDT
In force
20 min
Issued by
NWS Mobile, AL
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.75 in

Counties George County, MS, Greene County, MS, Perry County, MS

The radar

The Mobile radar (KMOB), 68 km from the middle of the area, began a volume at 08:38 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.

IssuedProductOfficeLasted
Aug 29, 6:49 PM CDTTornado WatchSPC11 hr

The nearest sounding before it

Slidell Radar S, LA (KSIL), launched 00:00Z, 8.7 hours before the alert went out and 135 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 2021-08-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 25 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 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 2021-08-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 36 square meters per square second.1939587897Sfc1 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
25 J/kg
Mixed-layer CIN
-2 J/kg
Mixed-layer LCL
679 m above ground
0-6 km bulk shear
41 kt
0-1 km storm-relative helicity
36 m²/s²
0-3 km storm-relative helicity
73 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

441 
WFUS54 KMOB 300839
TORMOB
MSC039-041-111-300930-
/O.NEW.KMOB.TO.W.0053.210830T0839Z-210830T0930Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Mobile AL
339 AM CDT Mon Aug 30 2021

The National Weather Service in Mobile has issued a

* Tornado Warning for...
  Central George County in southeastern Mississippi...
  Northeastern Perry County in southeastern Mississippi...
  Western Greene County in southeastern Mississippi...

* Until 430 AM CDT.
    
* At 338 AM CDT, a severe thunderstorm capable of producing a 
  tornado was located 6 miles west of Lucedale, moving north at 45 
  mph. Another tornadic circulation was nearing the Jackson and 
  George county line and also moving north at 45 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...
  Merrilll around 345 AM CDT.
  McLain around 355 AM CDT.
  Richton around 420 AM 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.

&&

LAT...LON 3141 8873 3074 8849 3073 8872 3136 8897
TIME...MOT...LOC 0838Z 163DEG 38KT 3095 8870 

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

$$
1 follow-up statement
006 
WWUS54 KMOB 300859
SVSMOB

Severe Weather Statement
National Weather Service Mobile AL
359 AM CDT Mon Aug 30 2021

MSC039-041-111-300909-
/O.CAN.KMOB.TO.W.0053.000000T0000Z-210830T0930Z/
George MS-Perry MS-Greene MS-
359 AM CDT Mon Aug 30 2021

...THE TORNADO WARNING FOR CENTRAL GEORGE...NORTHEASTERN PERRY AND
WESTERN GREENE COUNTIES IS CANCELLED...
                
The storm which prompted the warning has weakened below severe
limits, and no longer appears capable of producing a tornado.
Therefore, the warning has been cancelled.

A Tornado Watch remains in effect until 600 AM CDT for southeastern
Mississippi.

LAT...LON 3141 8873 3074 8849 3073 8872 3136 8897
TIME...MOT...LOC 0857Z 163DEG 38KT 3116 8878 

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 29, 7:07 PM CDTTornado WarningMOBGeorge25 min
Aug 29, 11:30 PM CDTFlash Flood WarningMOBStone6 hr
Aug 30, 12:29 AM CDTFlash Flood WarningMOBGeorge, Perry, Stone6 hr
Aug 30, 3:24 AM CDTFlash Flood WarningMOBGeorge, Greene, Perry6 hr
Aug 30, 6:05 AM CDTFlash Flood WarningMOBStone4 hr
Aug 30, 6:20 AM CDTFlash Flood WarningMOBGeorge, Greene, Perry, Stone5 hr
Aug 30, 9:20 AM CDTAreal Flood WarningMOBGeorge, Greene, Perry8 hr
Aug 30, 2:32 PM CDTTornado WarningMOBWayne21 min
Aug 30, 5:19 PM CDTAreal Flood WarningMOBGeorge14 hr
Aug 30, 6:28 PM CDTSpecial Weather StatementMOBGeorge47 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.