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, 7:21 PM CDT for Clay County, Lowndes County, Mississippi. It was in force for 24 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, 7:21 PM CDT (00:21 UTC)
- Expired
- Aug 1, 2021, 7:45 PM CDT
- In force
- 24 min
- Issued by
- NWS Jackson, MS
Counties Clay County, MS, Lowndes County, MS
The radar
The Columbus AFB radar (KGWX), 39 km from the middle of the area, began a volume at 00:24 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
Birmingham, AL (KBMX), launched 00:00Z, 0.4 hours before the alert went out and 175 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
- 941 J/kg
- Mixed-layer CIN
- -57 J/kg
- Mixed-layer LCL
- 1260 m above ground
- 0-6 km bulk shear
- 15 kt
- 0-1 km storm-relative helicity
- 6 m²/s²
- 0-3 km storm-relative helicity
- 15 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
457
WWUS84 KJAN 020021
SPSJAN
Special Weather Statement
National Weather Service Jackson MS
721 PM CDT Sun Aug 1 2021
MSZ030-031-033-020045-
Lowndes MS-Oktibbeha MS-Clay MS-
721 PM CDT Sun Aug 1 2021
...A STRONG THUNDERSTORM WILL AFFECT NORTHEASTERN OKTIBBEHA...CLAY
AND WESTERN LOWNDES COUNTIES UNTIL 745 PM CDT...
At 721 PM CDT, Meteorologists were tracking a strong thunderstorm
near Pala Alto, or 10 miles northwest of West Point, moving southeast
at 20 mph.
Dime size hail and winds in excess of 40 mph will be possible with
this storm.
This strong thunderstorm will be near...
West Point and Muldrow around 745 PM CDT.
Other locations impacted by this storm include Artesia.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
High winds can bring down trees and large limbs resulting in serious
injury or property damage. Exercise extreme caution when outdoors
during such strong winds...and be especially aware of older trees.
&&
LAT...LON 3331 8867 3370 8895 3381 8880 3381 8872
3368 8872 3368 8850 3367 8849 3366 8852
3365 8851 3366 8850 3367 8843 3366 8840
3344 8840
TIME...MOT...LOC 0021Z 308DEG 19KT 3372 8876
$$
JNEThe office that day
Everything else NWS Jackson, MS issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 1, 7:43 PM CDT | Special Weather Statement | JAN | Clarke | 47 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.