Alert archive / Mississippi / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 53, NWS Mobile, AL

April 10, 2021George County, Greene County, Mississippi; Mobile County, Alabama

NWS Mobile, AL issued this severe thunderstorm warning at Apr 10, 2021, 2:35 AM CDT for George County, Greene County, Mississippi; Mobile County, Alabama. It was in force for 25 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: Apr 10, 2021, 2:35 AM CDT (07:35 UTC)
Expired: Apr 10, 2021, 3:00 AM CDT
In force: 25 min
Issued by: NWS Mobile, AL
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

Counties Mobile County, AL, George County, MS, Greene County, MS

The radar

The Mobile radar (KMOB), 47 km from the middle of the area, began a volume at 07:37 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
Apr 9, 10:25 PM CDT	Severe Thunderstorm Watch	SPC	6 hr
Apr 10, 12:16 AM CDT	Tornado Watch	SPC	7 hr
Apr 10, 2:30 AM CDT	Tornado Watch	SPC	8 hr

The nearest sounding before it

Slidell Radar S, LA (KSIL), launched 00:00Z, 7.6 hours before the alert went out and 182 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: 2977 J/kg
Mixed-layer CIN: -20 J/kg
Mixed-layer LCL: 599 m above ground
0-6 km bulk shear: 39 kt
0-1 km storm-relative helicity: 243 m²/s²
0-3 km storm-relative helicity: 269 m²/s²
Significant tornado parameter: 3.4
Supercell composite: 18.1

Open this sounding in Storm Lab

The text

As transmitted.

635 
WUUS54 KMOB 100735
SVRMOB
ALC097-MSC039-041-100800-
/O.NEW.KMOB.SV.W.0053.210410T0735Z-210410T0800Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mobile AL
235 AM CDT Sat Apr 10 2021

The National Weather Service in Mobile has issued a

* Severe Thunderstorm Warning for...
  Northern Mobile County in southwestern Alabama...
  Northern George County in southeastern Mississippi...
  Southern Greene County in southeastern Mississippi...

* Until 300 AM CDT.

* At 235 AM CDT, a severe thunderstorm was located 8 miles northwest
  of Lucedale, moving east at 65 mph.

  HAZARD...60 mph wind gusts.

  SOURCE...Radar indicated.

  IMPACT...Expect damage to roofs, siding, and trees.

* Locations impacted include...
  Citronelle, Lucedale, Chunchula, Gulfcrest, Axis, Mount Vernon and
  Movico.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Tornado Watch remains in effect until 700 AM CDT for southeastern
Mississippi. A Tornado Watch also remains in effect until 800 AM CDT
for southwestern Alabama.

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 3112 8877 3114 8794 3111 8789 3112 8794
      3109 8797 3108 8797 3109 8792 3107 8794
      3109 8791 3102 8795 3102 8794 3104 8793
      3102 8790 3110 8789 3108 8789 3110 8788
      3109 8787 3090 8793 3091 8884
TIME...MOT...LOC 0735Z 271DEG 57KT 3104 8866 

HAIL...<.75IN
WIND...60MPH
 
$$

1 follow-up statement

209 
WWUS54 KMOB 100752
SVSMOB

Severe Weather Statement
National Weather Service Mobile AL
252 AM CDT Sat Apr 10 2021

ALC097-MSC039-041-100800-
/O.CON.KMOB.SV.W.0053.000000T0000Z-210410T0800Z/
Mobile AL-George MS-Greene MS-
252 AM CDT Sat Apr 10 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 300 AM CDT
FOR NORTHERN MOBILE...NORTHEASTERN GEORGE AND SOUTHEASTERN GREENE
COUNTIES...

At 252 AM CDT, a severe thunderstorm was located 8 miles northeast of
Lucedale, moving east at 40 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

IMPACT...Expect damage to roofs, siding, and trees.

Locations impacted include...
Citronelle, Lucedale, Chunchula, Gulfcrest, Axis, Mount Vernon and
Movico.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Tornado Watch remains in effect until 700 AM CDT for southeastern
Mississippi. A Tornado Watch also remains in effect until 800 AM CDT
for southwestern Alabama.

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 3113 8855 3111 8833 3113 8830 3114 8794
      3112 8794 3108 8797 3106 8794 3103 8796
      3102 8794 3102 8792 3104 8793 3103 8792
      3103 8791 3102 8790 3108 8787 3090 8793
      3091 8795 3090 8796 3091 8866
TIME...MOT...LOC 0752Z 273DEG 37KT 3102 8849 

HAIL...<.75IN
WIND...60MPH
 
$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 10, 1:06 AM CDT	Severe Thunderstorm Warning	MOB	Wayne	54 min
Apr 10, 1:15 AM CDT	Severe Thunderstorm Warning	MOB	Greene, Perry, Wayne	45 min
Apr 10, 1:58 AM CDT	Severe Thunderstorm Warning	MOB	Greene, Perry, Wayne	62 min
Apr 10, 2:43 AM CDT	Severe Thunderstorm Warning	MOB	George	17 min
Apr 10, 2:59 AM CDT	Severe Thunderstorm Warning	MOB	George	61 min
Apr 10, 3:11 AM CDT	Severe Thunderstorm Warning	MOB	George, Stone	37 min
Apr 10, 4:07 AM CDT	Areal Flood Advisory	MOB	George	3 hr
Apr 10, 4:31 AM CDT	Areal Flood Advisory	MOB	George, Perry, Stone	3 hr
Apr 10, 5:16 AM CDT	Flash Flood Warning	MOB	George, Perry, Stone	4 hr
Apr 10, 5:53 AM CDT	Flash Flood Warning	MOB	George	6 hr
Apr 9, 9:31 PM CDT	River Flood Warning	MOB	Mobile	63 hr
Apr 10, 1:33 AM CDT	Special Marine Warning	MOB		87 min
Apr 10, 2:22 AM CDT	Special Weather Statement	MOB	Mobile	68 min
Apr 10, 2:50 AM CDT	Severe Thunderstorm Warning	MOB	Baldwin	55 min
Apr 10, 3:36 AM CDT	Special Marine Warning	MOB		114 min
Apr 10, 3:53 AM CDT	Severe Thunderstorm Warning	MOB	Baldwin, Butler, Conecuh, Covington, Escambia, Mobile and 2 more	67 min
Apr 10, 4:33 AM CDT	Severe Thunderstorm Warning	MOB	Butler, Conecuh, Covington, Crenshaw, Escambia	57 min
Apr 10, 4:53 AM CDT	Severe Thunderstorm Warning	MOB	Baldwin, Covington, Escambia	52 min
Apr 10, 5:10 AM CDT	Areal Flood Advisory	MOB	Baldwin	3 hr
Apr 10, 5:28 AM CDT	Special Marine Warning	MOB		2 hr
Apr 10, 5:40 AM CDT	Flash Flood Warning	MOB	Baldwin	6 hr
Apr 10, 5:44 AM CDT	Severe Thunderstorm Warning	MOB	Baldwin, Covington, Escambia	61 min
Apr 10, 6:04 AM CDT	Special Marine Warning	MOB		86 min
Apr 10, 6:20 AM CDT	Severe Thunderstorm Warning	MOB	Baldwin, Mobile	40 min
Apr 10, 6:48 AM CDT	Special Marine Warning	MOB		87 min
Apr 10, 6:52 AM CDT	Severe Thunderstorm Warning	MOB	Baldwin	53 min
Apr 10, 7:12 AM CDT	Special Marine Warning	MOB		63 min
Apr 10, 7:30 AM CDT	Special Marine Warning	MOB		90 min
Apr 10, 9:28 AM CDT	River Flood Warning	MOB	Baldwin	11 hr
Apr 10, 9:33 AM CDT	River Flood Warning	MOB	Baldwin	5 hr

Nearby

Severe Thunderstorm Warnings in Mississippi, 2021 Severe Thunderstorm Warnings in Alabama, 2021 Every severe thunderstorm warning 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.