Alert archive / Mississippi / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 51, NWS Mobile, AL

April 10, 2021Greene County, Perry County, Wayne County, Mississippi; Choctaw County, Washington County, Alabama

NWS Mobile, AL issued this severe thunderstorm warning at Apr 10, 2021, 1:15 AM CDT for Greene County, Perry County, Wayne County, Mississippi; Choctaw County, Washington County, Alabama. It was in force for 45 min. 2 reports came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued: Apr 10, 2021, 1:15 AM CDT (06:15 UTC)
Expired: Apr 10, 2021, 2:00 AM CDT
In force: 45 min
Issued by: NWS Mobile, AL
Area: Storm-based polygon
Tornado: Possible
Hail: 0.75 in
Wind: 60.0 mph

Counties Choctaw County, AL, Washington County, AL, Greene County, MS, Perry County, MS, Wayne County, MS

The radar

The Mobile radar (KMOB), 98 km from the middle of the area, began a volume at 06:16 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.

What was reported inside it

Time	Report	Where	Remark
Apr 10, 1:50 AM CDT	TSTM WND DMG	New Augusta, MS	MULTIPLE TREES DOWN IN NEW AUGUSTA. WIND DAMAGE TO LOCAL POST OFFICE. TIME ESTIMATED BASED ON RADAR.
Apr 10, 2:00 AM CDT	TSTM WND DMG	Buckatunna, MS	TREES DOWN BLOCKING BUCKATUNNA-CHICORA-CLARA RD AND JORDAN SUMRALL RD. TIME ESTIMATED BASED ON RADAR.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

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

The nearest sounding before it

Slidell Radar S, LA (KSIL), launched 00:00Z, 6.3 hours before the alert went out and 155 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.

426 
WUUS54 KMOB 100615
SVRMOB
ALC023-129-MSC041-111-153-100700-
/O.NEW.KMOB.SV.W.0051.210410T0615Z-210410T0700Z/

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

The National Weather Service in Mobile has issued a

* Severe Thunderstorm Warning for...
  Southwestern Choctaw County in southwestern Alabama...
  Northwestern Washington County in southwestern Alabama...
  Perry County in southeastern Mississippi...
  Wayne County in southeastern Mississippi...
  Northwestern Greene County in southeastern Mississippi...

* Until 200 AM CDT.

* At 114 AM CDT, severe thunderstorms were located along a line
  extending from 6 miles northeast of Mill Creek to near Pinebur,
  moving east at 60 mph.

  HAZARD...60 mph wind gusts.

  SOURCE...Radar indicated.

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

* Locations impacted include...
  Waynesboro, Richton, Clara, Beaumont, New Augusta, Millry, McLain,
  State Line and Buckatunna.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

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

&&

LAT...LON 3143 8915 3143 8894 3176 8894 3176 8810
      3165 8809 3091 8894 3091 8914
TIME...MOT...LOC 0614Z 272DEG 51KT 3178 8891 3111 8969 

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

1 follow-up statement

221 
WWUS54 KMOB 100646
SVSMOB

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

ALC023-129-MSC041-111-153-100700-
/O.CON.KMOB.SV.W.0051.000000T0000Z-210410T0700Z/
Choctaw AL-Washington AL-Perry MS-Wayne MS-Greene MS-
146 AM CDT Sat Apr 10 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 200 AM CDT
FOR SOUTHWESTERN CHOCTAW...NORTHWESTERN WASHINGTON...PERRY...SOUTHERN
WAYNE AND NORTHWESTERN GREENE COUNTIES...

At 146 AM CDT, severe thunderstorms were located along a line
extending from 4 miles north of Waynesboro to near Brooklyn, moving
east at 50 mph.

HAZARD...70 mph wind gusts and quarter size hail.

SOURCE...Radar indicated.

IMPACT...Hail damage to vehicles is expected. Expect considerable 
         tree damage. Wind damage is also likely to mobile homes, 
         roofs, and outbuildings.

Locations impacted include...
Waynesboro, Richton, Clara, Beaumont, New Augusta, Millry, McLain,
State Line and Buckatunna.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

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

&&

LAT...LON 3175 8872 3176 8810 3165 8809 3091 8894
      3091 8914 3126 8915 3143 8894
TIME...MOT...LOC 0646Z 274DEG 43KT 3173 8862 3109 8919 

TORNADO...POSSIBLE
HAIL...1.00IN
WIND...70MPH
 
$$

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, 1:58 AM CDT	Severe Thunderstorm Warning	MOB	Greene, Perry, Wayne	62 min
Apr 10, 2:35 AM CDT	Severe Thunderstorm Warning	MOB	George, Greene	25 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.