Alert archive / Mississippi / Special Weather Statements in 2021
Special Weather Statement, NWS Jackson, MS
NWS Jackson, MS issued this special weather statement at Aug 1, 2021, 7:43 PM CDT for Clarke County, Mississippi. It was in force for 47 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, 7:43 PM CDT (00:43 UTC)
- Expired
- Aug 1, 2021, 8:30 PM CDT
- In force
- 47 min
- Issued by
- NWS Jackson, MS
County Clarke County, MS
The radar
The Jackson/Brandon,MS radar (KDGX), 111 km from the middle of the area, began a volume at 00:44 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, 0.7 hours before the alert went out and 214 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.
- Mixed-layer CAPE
- 307 J/kg
- Mixed-layer CIN
- -148 J/kg
- Mixed-layer LCL
- 1369 m above ground
- 0-6 km bulk shear
- 12 kt
- 0-1 km storm-relative helicity
- 3 m²/s²
- 0-3 km storm-relative helicity
- -9 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
049 WWUS84 KJAN 020043 SPSJAN Special Weather Statement National Weather Service Jackson MS 743 PM CDT Sun Aug 1 2021 MSZ057-058-020130- Jasper MS-Clarke MS- 743 PM CDT Sun Aug 1 2021 ...A STRONG THUNDERSTORM WILL AFFECT NORTHEASTERN JASPER AND WESTERN CLARKE COUNTIES UNTIL 830 PM CDT... At 742 PM CDT, Meteorologists were tracking a strong thunderstorm over Orange, or 13 miles west of Quitman, moving southeast at 20 mph. Nickel size hail and winds in excess of 40 mph will be possible with this storm. This strong thunderstorm will be near... Stonewall around 755 PM CDT. Barnett around 800 PM CDT. Quitman around 820 PM CDT. De Soto around 825 PM CDT. Other locations impacted by this storm include Pachuta. LAT...LON 3189 8879 3207 8909 3221 8895 3208 8859 TIME...MOT...LOC 0042Z 308DEG 19KT 3210 8895 $$ JNE
The office that day
Everything else NWS Jackson, MS issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 1, 7:21 PM CDT | Special Weather Statement | JAN | Clay, Lowndes | 24 min |
| Aug 1, 7:53 PM CDT | Special Weather Statement | JAN | Newton | 52 min |
| Aug 1, 8:03 PM CDT | Special Weather Statement | JAN | Clarke | 27 min |
| Aug 1, 8:27 PM CDT | Severe Thunderstorm Warning | JAN | Lauderdale, Newton | 48 min |
| Aug 1, 8:35 PM CDT | Special Weather Statement | JAN | Clarke | 25 min |
| Aug 1, 8:55 PM CDT | Special Weather Statement | JAN | Holmes | 50 min |
| Aug 1, 11:48 PM CDT | Special Weather Statement | JAN | Warren | 27 min |
| Aug 2, 4:13 PM CDT | Flash Flood Warning | JAN | Forrest, Lamar | 2 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.