Alert archive / Mississippi / Special Weather Statements in 2021

Special Weather Statement, NWS Mobile, AL

July 10, 2021Perry County, Mississippi

NWS Mobile, AL issued this special weather statement at Jul 10, 2021, 11:56 AM CDT for Perry 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
Jul 10, 2021, 11:56 AM CDT (16:56 UTC)
Expired
Jul 10, 2021, 12:45 PM CDT
In force
49 min
Issued by
NWS Mobile, AL

County Perry County, MS

The radar

The Mobile radar (KMOB), 98 km from the middle of the area, began a volume at 16:57 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, 4.9 hours before the alert went out and 132 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 12:00Z on 2021-07-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2543 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 12:00Z on 2021-07-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 10 square meters per square second.1939Sfc1 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
2543 J/kg
Mixed-layer CIN
-8 J/kg
Mixed-layer LCL
615 m above ground
0-6 km bulk shear
9 kt
0-1 km storm-relative helicity
10 m²/s²
0-3 km storm-relative helicity
26 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

380 
WWUS84 KMOB 101656
SPSMOB

Special Weather Statement
National Weather Service Mobile AL
1156 AM CDT Sat Jul 10 2021
 
MSZ067-075-076-079-101745-
Perry MS-Greene MS-Wayne MS-George MS-
1156 AM CDT Sat Jul 10 2021

...STRONG THUNDERSTORMS WILL AFFECT THE FOLLOWING COUNTIES... 
NORTHWESTERN GEORGE...PERRY...SOUTHWESTERN WAYNE AND WESTERN GREENE 
COUNTIES UNTIL 1245 PM CDT...

At 1155 AM CDT, the strong thunderstorms were located 6 miles 
northwest of New Augusta, or 10 miles southeast of Petal, moving 
east at 15 mph.

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

Locations impacted include...
Richton, Beaumont, New Augusta and McLain. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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 3143 8915 3143 8894 3150 8894 3154 8878
      3089 8877 3095 8914 3100 8914
TIME...MOT...LOC 1655Z 262DEG 12KT 3128 8910 

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 10, 9:25 AM CDTSpecial Marine WarningMOB23 min
Jul 10, 11:28 AM CDTSpecial Weather StatementMOBBaldwin47 min
Jul 10, 12:21 PM CDTSpecial Weather StatementMOBEscambia39 min
Jul 10, 1:00 PM CDTSpecial Weather StatementMOBClarke45 min
Jul 10, 12:12 PM CDTSpecial Weather StatementMOBStone48 min
Jul 10, 12:32 PM CDTSpecial Weather StatementMOBGeorge, Greene43 min
Jul 10, 12:38 PM CDTAreal Flood AdvisoryMOBStone82 min
Jul 10, 12:56 PM CDTSpecial Weather StatementMOBStone34 min
Jul 10, 1:14 PM CDTSpecial Weather StatementMOBGeorge46 min

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.