Alert archive / Mississippi / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 69, NWS Mobile, AL

April 24, 2021Greene County, Perry County, Mississippi

NWS Mobile, AL issued this severe thunderstorm warning at Apr 24, 2021, 1:12 AM CDT for Greene County, Perry County, Mississippi. It was in force for 63 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 24, 2021, 1:12 AM CDT (06:12 UTC)
Expired: Apr 24, 2021, 2:15 AM CDT
In force: 63 min
Issued by: NWS Mobile, AL
Area: Storm-based polygon
Tornado: Possible
Hail: 0.75 in
Wind: 60.0 mph

Counties Greene County, MS, Perry County, MS

The radar

The Mobile radar (KMOB), 80 km from the middle of the area, began a volume at 06:15 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 137 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 873 m above ground
0-6 km bulk shear: 62 kt
0-1 km storm-relative helicity: 156 m²/s²
0-3 km storm-relative helicity: 263 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

878 
WUUS54 KMOB 240612
SVRMOB
MSC041-111-240715-
/O.NEW.KMOB.SV.W.0069.210424T0612Z-210424T0715Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mobile AL
112 AM CDT Sat Apr 24 2021

The National Weather Service in Mobile has issued a

* Severe Thunderstorm Warning for...
  Central Perry County in southeastern Mississippi...
  Greene County in southeastern Mississippi...

* Until 215 AM CDT.

* At 112 AM CDT, a severe thunderstorm was located 4 miles southeast
  of Rock Hill, or 14 miles northwest of Wiggins, moving northeast at
  55 mph.

  HAZARD...60 mph wind gusts.

  SOURCE...Radar indicated.

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

* Locations impacted include...
  Leakesville, Beaumont, New Augusta, McLain and State Line. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3121 8915 3144 8849 3144 8846 3107 8844
      3093 8914
TIME...MOT...LOC 0612Z 246DEG 49KT 3103 8926 

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

1 follow-up statement

554 
WWUS54 KMOB 240652
SVSMOB

Severe Weather Statement
National Weather Service Mobile AL
152 AM CDT Sat Apr 24 2021

MSC041-111-240715-
/O.CON.KMOB.SV.W.0069.000000T0000Z-210424T0715Z/
Perry MS-Greene MS-
152 AM CDT Sat Apr 24 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 215 AM CDT
FOR CENTRAL PERRY AND GREENE COUNTIES...

At 152 AM CDT, a severe thunderstorm was located 9 miles northeast of
McLain, or 12 miles northwest of Leakesville, moving northeast at 60
mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

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

Locations impacted include...
Leakesville, Beaumont, New Augusta, McLain and State Line. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Tornado Watch remains in effect until 900 AM CDT for southeastern
Mississippi.

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

&&

LAT...LON 3121 8915 3144 8849 3144 8846 3107 8844
      3093 8914
TIME...MOT...LOC 0652Z 242DEG 54KT 3123 8875 

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 23, 7:48 PM CDT	Flash Flood Watch	MOB	George, Greene, Perry, Stone, Wayne	17 hr
Apr 23, 9:00 PM CDT	Special Weather Statement	MOB	George, Greene, Stone	45 min
Apr 23, 9:44 PM CDT	Special Weather Statement	MOB	Wayne	46 min
Apr 23, 11:09 PM CDT	Special Weather Statement	MOB	Perry	51 min
Apr 24, 2:10 AM CDT	Severe Thunderstorm Warning	MOB	Greene, Perry	65 min
Apr 24, 2:23 AM CDT	Areal Flood Advisory	MOB	Greene, Perry	3 hr
Apr 24, 3:10 AM CDT	Severe Thunderstorm Warning	MOB	Greene	65 min
Apr 24, 3:26 AM CDT	Flash Flood Warning	MOB	Greene, Perry	5 hr
Apr 24, 3:48 AM CDT	Areal Flood Advisory	MOB	Greene	4 hr
Apr 24, 3:49 AM CDT	Severe Thunderstorm Warning	MOB	George, Greene, Perry, Stone	41 min
Apr 24, 4:25 AM CDT	Severe Thunderstorm Warning	MOB	George, Greene, Wayne	50 min
Apr 24, 4:27 AM CDT	Tornado Warning	MOB	Greene	13 min
Apr 24, 5:14 AM CDT	Severe Thunderstorm Warning	MOB	George	46 min
Apr 24, 9:42 AM CDT	River Flood Warning	MOB	George, Greene, Wayne	21 days
Apr 24, 9:44 AM CDT	River Flood Warning	MOB	George, Greene, Perry	6 days
Apr 24, 9:46 AM CDT	River Flood Warning	MOB	George, Greene, Jackson	21 days
Apr 24, 3:43 PM CDT	Areal Flood Warning	MOB	Greene, Wayne	2 hr
Apr 24, 3:59 PM CDT	Severe Thunderstorm Warning	MOB	Wayne	46 min
Apr 24, 5:20 PM CDT	Severe Thunderstorm Warning	MOB	George, Greene	40 min

Nearby

Severe Thunderstorm Warnings in Mississippi, 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.