Alert archive / Mississippi / Tornado Warnings in 2021

Tornado Warning 63, NWS Mobile, AL

August 30, 2021George County, Mississippi; Mobile County, Alabama

NWS Mobile, AL issued this tornado warning at Aug 30, 2021, 11:27 PM CDT for George County, Mississippi; Mobile County, Alabama. It was in force for 13 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, 11:27 PM CDT (04:27 UTC)
Expired
Aug 30, 2021, 11:40 PM CDT
In force
13 min
Issued by
NWS Mobile, AL
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.0 in

Counties Mobile County, AL, George County, MS

The radar

The Mobile radar (KMOB), 37 km from the middle of the area, began a volume at 04:26 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, 4.5 hours before the alert went out and 158 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 2021-08-31Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 914 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 00:00Z on 2021-08-31The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 41 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
914 J/kg
Mixed-layer CIN
-11 J/kg
Mixed-layer LCL
811 m above ground
0-6 km bulk shear
33 kt
0-1 km storm-relative helicity
41 m²/s²
0-3 km storm-relative helicity
125 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

414 
WFUS54 KMOB 310427
TORMOB
ALC097-MSC039-310500-
/O.NEW.KMOB.TO.W.0063.210831T0427Z-210831T0500Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Mobile AL
1127 PM CDT Mon Aug 30 2021

The National Weather Service in Mobile has issued a

* Tornado Warning for...
  Northwestern Mobile County in southwestern Alabama...
  East central George County in southeastern Mississippi...

* Until midnight CDT.
    
* At 1127 PM CDT, a severe thunderstorm capable of producing a
  tornado was located 8 miles northwest of Wilmer, or 10 miles east
  of Lucedale, 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 dangerous storm will be near...
  Gulfcrest around 1150 PM CDT.
  Citronelle around 1155 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.

&&

LAT...LON 3088 8842 3093 8849 3115 8826 3114 8817
      3106 8809
TIME...MOT...LOC 0427Z 233DEG 28KT 3094 8842 

TORNADO...RADAR INDICATED
MAX HAIL SIZE...0.00 IN

$$
2 follow-up statements
740 
WWUS54 KMOB 310435
SVSMOB

Severe Weather Statement
National Weather Service Mobile AL
1135 PM CDT Mon Aug 30 2021

MSC039-310444-
/O.CAN.KMOB.TO.W.0063.000000T0000Z-210831T0500Z/
George MS-
1135 PM CDT Mon Aug 30 2021

...THE TORNADO WARNING FOR EAST CENTRAL GEORGE COUNTY IS CANCELLED...
    
The tornadic thunderstorm which prompted the warning has moved out 
of the warned area. Therefore, the warning has been cancelled.

LAT...LON 3094 8839 3097 8842 3111 8829 3111 8822
      3107 8817
TIME...MOT...LOC 0434Z 224DEG 25KT 3098 8838 

$$

ALC097-310500-
/O.CON.KMOB.TO.W.0063.000000T0000Z-210831T0500Z/
Mobile AL-
1135 PM CDT Mon Aug 30 2021

...A TORNADO WARNING REMAINS IN EFFECT UNTIL MIDNIGHT CDT FOR
NORTHWESTERN MOBILE COUNTY...
    
At 1134 PM CDT, a severe thunderstorm capable of producing a tornado
was located 8 miles west of Gulfcrest, or 11 miles southwest of
Citronelle, 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 dangerous storm will be near...
  Citronelle around 1200 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 3094 8839 3097 8842 3111 8829 3111 8822
      3107 8817
TIME...MOT...LOC 0434Z 224DEG 25KT 3098 8838 

TORNADO...RADAR INDICATED
MAX HAIL SIZE...0.00 IN

$$
019 
WWUS54 KMOB 310440
SVSMOB

Severe Weather Statement
National Weather Service Mobile AL
1140 PM CDT Mon Aug 30 2021

ALC097-310449-
/O.CAN.KMOB.TO.W.0063.000000T0000Z-210831T0500Z/
Mobile AL-
1140 PM CDT Mon Aug 30 2021

...THE TORNADO WARNING FOR NORTHWESTERN MOBILE COUNTY 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.

LAT...LON 3094 8839 3097 8842 3111 8829 3111 8822
      3107 8817
TIME...MOT...LOC 0439Z 233DEG 28KT 3101 8834 

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 30, 10:22 PM CDTFlash Flood WarningMOBGeorge, Greene, Stone6 hr
Aug 31, 7:09 AM CDTAreal Flood WarningMOBGeorge, Greene, Perry, Stone6 hr
Aug 31, 1:18 AM CDTFlash Flood WarningMOBBaldwin, Clarke, Mobile, Monroe, Washington6 hr
Aug 31, 3:33 AM CDTFlash Flood WarningMOBBaldwin, Conecuh, Escambia, Monroe4 hr
Aug 31, 3:42 AM CDTSpecial Marine WarningMOB93 min
Aug 31, 4:21 AM CDTSpecial Marine WarningMOB54 min
Aug 31, 4:41 AM CDTSpecial Marine WarningMOB34 min
Aug 31, 4:52 AM CDTSevere Thunderstorm WarningMOBCovington23 min
Aug 31, 5:12 AM CDTSpecial Marine WarningMOB93 min
Aug 31, 5:17 AM CDTSpecial Marine WarningMOB58 min
Aug 31, 5:42 AM CDTSpecial Marine WarningMOB63 min
Aug 31, 5:46 AM CDTSevere Thunderstorm WarningMOBButler, Crenshaw44 min
Aug 31, 6:04 AM CDTHigh Surf AdvisoryMOBBaldwin, Mobile12 hr
Aug 31, 6:39 AM CDTSpecial Marine WarningMOB96 min
Aug 31, 6:42 AM CDTSpecial Marine WarningMOB63 min
Aug 31, 6:51 AM CDTSpecial Marine WarningMOB36 min
Aug 31, 7:45 AM CDTSpecial Marine WarningMOB90 min
Aug 31, 8:10 AM CDTSpecial Marine WarningMOB65 min
Aug 31, 8:28 AM CDTSpecial Marine WarningMOB92 min
Aug 31, 9:08 AM CDTSpecial Marine WarningMOB97 min

Nearby

Tornado Warnings in Mississippi, 2021Tornado Warnings in Alabama, 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.