Alert archive / Mississippi / Special Weather Statements in 2021

Special Weather Statement, NWS Mobile, AL

March 24, 2021Stone County, Mississippi

NWS Mobile, AL issued this special weather statement at Mar 24, 2021, 9:17 PM CDT for Stone County, Mississippi. It was in force for 58 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 24, 2021, 9:17 PM CDT (02:17 UTC)
Expired
Mar 24, 2021, 10:15 PM CDT
In force
58 min
Issued by
NWS Mobile, AL

County Stone County, MS

The radar

The Mobile radar (KMOB), 76 km from the middle of the area, began a volume at 02:17 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, 2.3 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-pSkew-T log-p diagram, Slidell Radar S, LA at 00:00Z on 2021-03-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 109 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Slidell Radar S, LA at 00:00Z on 2021-03-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 281 square meters per square second.1939587897Sfc1 km3 km6 km9 kmRMLM
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
109 J/kg
Mixed-layer CIN
-186 J/kg
Mixed-layer LCL
681 m above ground
0-6 km bulk shear
51 kt
0-1 km storm-relative helicity
281 m²/s²
0-3 km storm-relative helicity
382 m²/s²
Significant tornado parameter
0.0
Supercell composite
7.0

Open this sounding in Storm Lab

The text

As transmitted.

166 
WWUS84 KMOB 250217
SPSMOB

Special Weather Statement
National Weather Service Mobile AL
917 PM CDT Wed Mar 24 2021
 
MSZ075-076-078-079-250315-
Stone MS-Perry MS-Greene MS-George MS-
917 PM CDT Wed Mar 24 2021

...A LINE OF STRONG THUNDERSTORMS WILL AFFECT THE FOLLOWING
COUNTIES...WESTERN GEORGE...SOUTHERN PERRY...SOUTHWESTERN GREENE AND
STONE COUNTIES UNTIL 1015 PM CDT...

At 916 PM CDT, the strong thunderstorms were located along a line
extending from near McHenry to 7 miles east of Wiggins to 17 miles
southwest of Lucedale, and moving northeast at 40 mph.

Wind gusts of 40 mph will be possible with these storms.

Locations impacted include...
Wiggins, Lucedale, Perkinston, McHenry, Beaumont and McLain. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Torrential rainfall is also occurring with these storms, and may lead
to localized flooding. Do not drive your vehicle through flooded
roadways.

Frequent cloud to ground lightning is occurring with these storms.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.

&&

LAT...LON 3091 8917 3091 8914 3115 8914 3120 8868
      3100 8847 3073 8885 3073 8888 3072 8889
      3067 8903 3068 8924 3065 8924 3065 8932
TIME...MOT...LOC 0216Z 229DEG 34KT 3072 8918 3086 8901 3078 8884 

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 24, 10:19 PM CDTSpecial Weather StatementMOBWashington56 min
Mar 24, 10:59 PM CDTSevere Thunderstorm WarningMOBBaldwin, Clarke, Mobile, Washington46 min
Mar 24, 11:13 PM CDTAreal Flood AdvisoryMOBClarke, Mobile, Washington3 hr
Mar 24, 11:32 PM CDTSevere Thunderstorm WarningMOBBaldwin, Clarke, Monroe43 min
Mar 25, 12:11 AM CDTSpecial Weather StatementMOBMonroe49 min
Mar 25, 12:16 AM CDTSevere Thunderstorm WarningMOBConecuh, Monroe25 min
Mar 25, 1:18 AM CDTSpecial Weather StatementMOBConecuh57 min
Mar 25, 1:30 AM CDTSpecial Weather StatementMOBCrenshaw45 min
Mar 25, 1:38 AM CDTSevere Thunderstorm WarningMOBCrenshaw23 min
Mar 25, 2:25 AM CDTSpecial Weather StatementMOBConecuh50 min
Mar 25, 2:51 AM CDTSpecial Weather StatementMOBButler39 min
Mar 25, 7:05 AM CDTSpecial Weather StatementMOBChoctaw40 min
Mar 25, 7:36 AM CDTSevere Thunderstorm WarningMOBChoctaw24 min
Mar 25, 6:20 PM CDTSevere Thunderstorm WarningMOBChoctaw40 min
Mar 25, 6:58 PM CDTSevere Thunderstorm WarningMOBChoctaw24 min
Mar 24, 8:15 PM CDTSpecial Weather StatementMOBStone60 min
Mar 24, 9:32 PM CDTFlash Flood WarningMOBGeorge, Greene, Perry, Stone4 hr

Nearby

Special Weather Statements in Mississippi, 2021Every special weather statement 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.