Alert archive / Mississippi / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 35, NWS Mobile, AL

March 30, 2021Stone County, Mississippi

NWS Mobile, AL issued this severe thunderstorm warning at Mar 30, 2021, 5:15 PM CDT for Stone County, Mississippi. It was in force for 45 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 30, 2021, 5:15 PM CDT (22:15 UTC)
Expired: Mar 30, 2021, 6:00 PM CDT
In force: 45 min
Issued by: NWS Mobile, AL
Area: Storm-based polygon
Tornado: Possible
Hail: 1.0 in
Wind: 60.0 mph

County Stone County, MS

The radar

The Mobile radar (KMOB), 75 km from the middle of the area, began a volume at 22:16 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.

The nearest sounding before it

Slidell Radar S, LA (KSIL), launched 12:00Z, 10.3 hours before the alert went out and 87 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: 60 J/kg
Mixed-layer CIN: -225 J/kg
Mixed-layer LCL: 902 m above ground
0-6 km bulk shear: 17 kt
0-1 km storm-relative helicity: 110 m²/s²
0-3 km storm-relative helicity: 133 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

356 
WUUS54 KMOB 302215
SVRMOB
MSC131-302300-
/O.NEW.KMOB.SV.W.0035.210330T2215Z-210330T2300Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mobile AL
515 PM CDT Tue Mar 30 2021

The National Weather Service in Mobile has issued a

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

* Until 600 PM CDT.

* At 515 PM CDT, a severe thunderstorm was located 5 miles east of
  McHenry, or 12 miles southeast of Wiggins, moving northeast at 15
  mph.

  HAZARD...60 mph wind gusts and quarter size hail.

  SOURCE...Radar indicated.

  IMPACT...Hail damage to vehicles is expected. Expect wind damage 
           to roofs, siding, and trees.

* This severe thunderstorm will remain over mainly rural areas of
  eastern Stone County.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3089 8905 3082 8888 3074 8889 3067 8900
      3068 8911 3068 8912
TIME...MOT...LOC 2215Z 228DEG 11KT 3070 8905 

TORNADO...POSSIBLE
HAIL...1.00IN
WIND...60MPH
 
$$

CGAL

The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 30, 1:05 PM CDT	Wind Advisory	MOB	George, Greene, Perry, Stone, Wayne	54 hr
Mar 30, 4:43 PM CDT	Special Weather Statement	MOB	Stone	47 min
Mar 30, 5:05 PM CDT	Severe Thunderstorm Warning	MOB	George, Greene, Perry, Stone	40 min
Mar 30, 5:46 PM CDT	Special Weather Statement	MOB	Greene	44 min
Mar 30, 5:59 PM CDT	Special Weather Statement	MOB	Stone	46 min
Mar 30, 6:17 PM CDT	Flash Flood Warning	MOB	George, Greene, Perry, Stone	3 hr
Mar 30, 6:33 PM CDT	Special Weather Statement	MOB	Greene	42 min
Mar 30, 6:44 PM CDT	Special Weather Statement	MOB	George	46 min
Mar 30, 6:49 PM CDT	Tornado Warning Tornado observed	MOB	Greene	41 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.