Alert archive / Mississippi / Special Weather Statements in 2021

Special Weather Statement, NWS Jackson, MS

August 1, 2021Jasper County, Mississippi

NWS Jackson, MS issued this special weather statement at Aug 1, 2021, 3:21 PM CDT for Jasper County, Mississippi. It was in force for 39 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: Aug 1, 2021, 3:21 PM CDT (20:21 UTC)
Expired: Aug 1, 2021, 4:00 PM CDT
In force: 39 min
Issued by: NWS Jackson, MS

County Jasper County, MS

The radar

The Jackson/Brandon,MS radar (KDGX), 106 km from the middle of the area, began a volume at 20:22 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

Jackson, MS (KJAN), launched 12:00Z, 8.4 hours before the alert went out and 116 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: 2132 J/kg
Mixed-layer CIN: -51 J/kg
Mixed-layer LCL: 1007 m above ground
0-6 km bulk shear: 5 kt
0-1 km storm-relative helicity: -23 m²/s²
0-3 km storm-relative helicity: -19 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

967 
WWUS84 KJAN 012021
SPSJAN

Special Weather Statement
National Weather Service Jackson MS
321 PM CDT Sun Aug 1 2021
 
MSZ057-058-066-012100-
Jones MS-Jasper MS-Clarke MS-
321 PM CDT Sun Aug 1 2021

...A STRONG THUNDERSTORM WILL AFFECT SOUTHERN JASPER...SOUTHWESTERN
CLARKE AND NORTHEASTERN JONES COUNTIES UNTIL 400 PM CDT...

At 321 PM CDT, Meteorologists were tracking a strong thunderstorm
near Paulding, or 11 miles northeast of Stringer, moving southeast at
15 mph.

Nickel size hail and winds in excess of 40 mph will be possible with
this storm.

This strong thunderstorm will be near...
  Paulding around 325 PM CDT.
  Sandersville, Heidelberg and Stafford Springs around 400 PM CDT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3183 8884 3183 8894 3176 8894 3169 8904
      3197 8932 3211 8908 3186 8879
TIME...MOT...LOC 2021Z 320DEG 13KT 3198 8912 

$$

JNE

The office that day

Everything else NWS Jackson, MS issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Aug 1, 10:45 AM CDT	Special Weather Statement	JAN	Clay	45 min
Aug 1, 11:16 AM CDT	Severe Thunderstorm Warning	JAN	Clay, Lowndes, Oktibbeha	59 min
Aug 1, 12:06 PM CDT	Special Weather Statement	JAN	Noxubee	54 min
Aug 1, 12:28 PM CDT	Special Weather Statement	JAN	Rankin	47 min
Aug 1, 1:09 PM CDT	Special Weather Statement	JAN	Choctaw	66 min
Aug 1, 2:54 PM CDT	Special Weather Statement	JAN	Attala	51 min
Aug 1, 3:05 PM CDT	Special Weather Statement	JAN	Warren	55 min
Aug 1, 3:18 PM CDT	Special Weather Statement	JAN	Choctaw	42 min
Aug 1, 5:34 PM CDT	Special Weather Statement	JAN	Montgomery	41 min
Aug 1, 5:38 PM CDT	Special Weather Statement	JAN	Madison	52 min
Aug 1, 6:03 PM CDT	Special Weather Statement	JAN	Newton	27 min
Aug 1, 6:28 PM CDT	Special Weather Statement	JAN	Attala	47 min
Aug 1, 6:36 PM CDT	Special Weather Statement	JAN	Clay	39 min
Aug 1, 6:47 PM CDT	Special Weather Statement	JAN	Leake	43 min
Aug 1, 5:28 PM CDT	Severe Thunderstorm Warning	JAN	East Carroll, West Carroll	47 min
Aug 1, 6:10 PM CDT	Special Weather Statement	JAN	Richland	50 min

Nearby

Special Weather Statements in Mississippi, 2021 Every 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.