Alert archive / Mississippi / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 201, NWS Mobile, AL

October 27, 2021Perry County, Stone County, Mississippi

NWS Mobile, AL issued this severe thunderstorm warning at Oct 27, 2021, 6:59 PM CDT for Perry County, Stone County, Mississippi. It was in force for 46 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: Oct 27, 2021, 6:59 PM CDT (23:59 UTC)
Expired: Oct 27, 2021, 7:45 PM CDT
In force: 46 min
Issued by: NWS Mobile, AL
Area: Storm-based polygon
Tornado: Possible
Hail: 0.75 in
Wind: 60.0 mph

Counties Perry County, MS, Stone County, MS

The radar

The Mobile radar (KMOB), 91 km from the middle of the area, began a volume at 00:04 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
Oct 27, 1:53 PM CDT	Tornado Watch	SPC	8 hr

The nearest sounding before it

Slidell Radar S, LA (KSIL), launched 12:00Z, 12.0 hours before the alert went out and 96 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: 1792 m above ground
0-6 km bulk shear: 47 kt
0-1 km storm-relative helicity: 186 m²/s²
0-3 km storm-relative helicity: 274 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

277 
WUUS54 KMOB 272359
SVRMOB
MSC111-131-280045-
/O.NEW.KMOB.SV.W.0201.211027T2359Z-211028T0045Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mobile AL
659 PM CDT Wed Oct 27 2021

The National Weather Service in Mobile has issued a

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

* Until 745 PM CDT.

* At 659 PM CDT, severe thunderstorms were located along a line
  extending from 4 miles west of Mclaurin to 7 miles west of Wiggins
  to 10 miles southeast of Poplarville, moving northeast at 35 mph.

  HAZARD...60 mph wind gusts.

  SOURCE...Radar indicated.

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

* Locations impacted include...
  Wiggins, Richton, Perkinston, McHenry, Beaumont and New Augusta. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Tornado Watch remains in effect until 1000 PM CDT for southeastern
Mississippi.

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

A Tornado Watch remains in effect until 1000 PM CDT for southeastern
Mississippi.

&&

LAT...LON 3091 8934 3091 8914 3137 8915 3144 8900
      3143 8884 3109 8884 3082 8893 3068 8918
      3068 8924 3065 8924 3065 8934
TIME...MOT...LOC 2359Z 230DEG 32KT 3118 8929 3088 8925 3072 8942 

TORNADO...POSSIBLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

MM

1 follow-up statement

749 
WWUS54 KMOB 280043
SVSMOB

Severe Weather Statement
National Weather Service Mobile AL
743 PM CDT Wed Oct 27 2021

MSC111-131-280051-
/O.EXP.KMOB.SV.W.0201.000000T0000Z-211028T0045Z/
Perry MS-Stone MS-
743 PM CDT Wed Oct 27 2021

...THE SEVERE THUNDERSTORM WARNING FOR PERRY AND STONE COUNTIES WILL
EXPIRE AT 745 PM CDT...
    
The storms which prompted the warning have moved out of the area.
Therefore, the warning will be allowed to expire.

A Tornado Watch remains in effect until 1000 PM CDT for southeastern
Mississippi.

Remember, a Severe Thunderstorm Warning still remains in effect for
southeastern Stone county until 830 PM CDT.

LAT...LON 3091 8934 3091 8914 3137 8915 3144 8900
      3143 8884 3109 8884 3082 8893 3068 8918
      3068 8924 3065 8924 3065 8934
TIME...MOT...LOC 0041Z 270DEG 32KT 3141 8897 3111 8893 3095 8910 

$$

MM

The office that day

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

Issued	Product	Office	Counties	Lasted
Oct 27, 6:47 PM CDT	Areal Flood Advisory	MOB	Stone	24 min
Oct 27, 6:54 PM CDT	Special Weather Statement	MOB	Perry, Stone	51 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.