Alert archive / Mississippi / Severe Thunderstorm Warnings in 2020

Severe Thunderstorm Warning 49, NWS Mobile, AL

March 31, 2020Perry County, Stone County, Mississippi

NWS Mobile, AL issued this severe thunderstorm warning at Mar 31, 2020, 8:41 AM CDT for Perry County, Stone County, Mississippi. It was in force for 49 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: Mar 31, 2020, 8:41 AM CDT (13:41 UTC)
Expired: Mar 31, 2020, 9:30 AM CDT
In force: 49 min
Issued by: NWS Mobile, AL
Area: Storm-based polygon
Hail: 0.75 in
Wind: 70.0 mph

Counties Perry County, MS, Stone County, MS

The radar

The Mobile radar (KMOB), 89 km from the middle of the area, began a volume at 13:42 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 12:00Z, 1.7 hours before the alert went out and 93 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: 743 J/kg
Mixed-layer CIN: -1 J/kg
Mixed-layer LCL: 624 m above ground
0-6 km bulk shear: 61 kt
0-1 km storm-relative helicity: 299 m²/s²
0-3 km storm-relative helicity: 338 m²/s²
Significant tornado parameter: 1.4
Supercell composite: 7.9

Open this sounding in Storm Lab

The text

As transmitted.

811 
WUUS54 KMOB 311341
SVRMOB
MSC111-131-311430-
/O.NEW.KMOB.SV.W.0049.200331T1341Z-200331T1430Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mobile AL
841 AM CDT Tue Mar 31 2020

The National Weather Service in Mobile has issued a

* Severe Thunderstorm Warning for...
  Southern Perry County in southeastern Mississippi...
  Northern Stone County in southeastern Mississippi...

* Until 930 AM CDT.

* At 840 AM CDT, a severe thunderstorm was located 6 miles west of
  Maxie, or 12 miles northwest of Wiggins, moving east at 35 mph.

  HAZARD...70 mph wind gusts.

  SOURCE...Radar indicated.

  IMPACT...Expect considerable tree damage. Damage is likely to 
           mobile homes, roofs, and outbuildings.

* Locations impacted include...
  Wiggins.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3091 8914 3108 8914 3110 8888 3075 8890
      3084 8934 3091 8934
TIME...MOT...LOC 1340Z 274DEG 29KT 3095 8931 

HAIL...<.75IN
WIND...70MPH
 
$$

CGAL

3 follow-up statements

421 
WWUS54 KMOB 311343
SVSMOB

Severe Weather Statement
National Weather Service Mobile AL
843 AM CDT Tue Mar 31 2020

MSC111-131-311430-
/O.CON.KMOB.SV.W.0049.000000T0000Z-200331T1430Z/
Perry MS-Stone MS-
843 AM CDT Tue Mar 31 2020

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 930 AM CDT
FOR SOUTHERN PERRY AND NORTHERN STONE COUNTIES...

At 842 AM CDT, a severe thunderstorm was located 5 miles west of
Maxie, or 10 miles northwest of Wiggins, moving east at 35 mph.

HAZARD...70 mph wind gusts.

SOURCE...Radar indicated.

IMPACT...Expect considerable tree damage. Damage is likely to mobile 
         homes, roofs, and outbuildings.

Locations impacted include...
Wiggins.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3091 8914 3108 8914 3110 8888 3075 8890
      3084 8934 3091 8934
TIME...MOT...LOC 1342Z 274DEG 29KT 3095 8928 

TORNADO...POSSIBLE
HAIL...<.75IN
WIND...70MPH
 
$$

CGAL

122 
WWUS54 KMOB 311404
SVSMOB

Severe Weather Statement
National Weather Service Mobile AL
904 AM CDT Tue Mar 31 2020

MSC111-131-311430-
/O.CON.KMOB.SV.W.0049.000000T0000Z-200331T1430Z/
Perry MS-Stone MS-
904 AM CDT Tue Mar 31 2020

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 930 AM CDT
FOR SOUTHERN PERRY AND NORTHEASTERN STONE COUNTIES...

At 903 AM CDT, a severe thunderstorm was located 8 miles northeast of
Wiggins, moving east at 45 mph.

HAZARD...70 mph wind gusts.

SOURCE...Radar indicated.

IMPACT...Expect considerable tree damage. Damage is likely to mobile 
         homes, roofs, and outbuildings.

This severe thunderstorm will remain over mainly rural areas of
southern Perry and northeastern Stone Counties.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Tornado Watch remains in effect until 300 PM CDT for southeastern
Mississippi.

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

&&

LAT...LON 3108 8914 3110 8888 3079 8890 3083 8905
      3087 8916 3091 8916 3091 8914
TIME...MOT...LOC 1403Z 273DEG 38KT 3093 8901 

TORNADO...POSSIBLE
HAIL...<.75IN
WIND...70MPH
 
$$

CGAL

475 
WWUS54 KMOB 311427
SVSMOB

Severe Weather Statement
National Weather Service Mobile AL
927 AM CDT Tue Mar 31 2020

MSC111-131-311435-
/O.EXP.KMOB.SV.W.0049.000000T0000Z-200331T1430Z/
Perry MS-Stone MS-
927 AM CDT Tue Mar 31 2020

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHERN PERRY AND
NORTHEASTERN STONE COUNTIES WILL EXPIRE AT 930 AM CDT...
        
The storm which prompted the warning has moved out of the area.
Therefore, the warning will be allowed to expire. However gusty 
winds are still possible with this thunderstorm.

A Tornado Watch remains in effect until 300 PM CDT for southeastern
Mississippi.

Remember, a Severe Thunderstorm Warning still remains in effect for 
southeastern Perry County and northeastern Stone County until 945 AM 
CDT.

LAT...LON 3108 8914 3110 8888 3079 8890 3083 8905
      3087 8916 3091 8916 3091 8914
TIME...MOT...LOC 1425Z 274DEG 29KT 3092 8882 

$$

CGAL

The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 31, 7:17 AM CDT	Severe Thunderstorm Warning	MOB	Wayne	43 min
Mar 31, 7:59 AM CDT	Severe Thunderstorm Warning	MOB	Greene, Perry, Wayne	46 min
Mar 31, 9:08 AM CDT	Severe Thunderstorm Warning	MOB	George, Greene, Perry, Stone	37 min
Mar 31, 9:34 AM CDT	Tornado Warning	MOB	George	41 min
Mar 31, 9:46 AM CDT	Severe Thunderstorm Warning	MOB	George, Greene	44 min
Mar 31, 9:54 AM CDT	Tornado Warning Tornado observed	MOB	George	35 min

Nearby

Severe Thunderstorm Warnings in Mississippi, 2020 Every severe thunderstorm warning in 2020

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.