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, 11:48 PM CDT for Warren County, Mississippi. It was in force for 27 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, 11:48 PM CDT (04:48 UTC)
- Expired
- Aug 2, 2021, 12:15 AM CDT
- In force
- 27 min
- Issued by
- NWS Jackson, MS
County Warren County, MS
The radar
The Jackson/Brandon,MS radar (KDGX), 94 km from the middle of the area, began a volume at 04:49 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, 4.8 hours before the alert went out and 244 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.
202
WWUS84 KJAN 020448
SPSJAN
Special Weather Statement
National Weather Service Jackson MS
1148 PM CDT Sun Aug 1 2021
LAZ016-MSZ047-020515-
Madison LA-Warren MS-
1148 PM CDT Sun Aug 1 2021
...A STRONG THUNDERSTORM WILL AFFECT SOUTHEASTERN MADISON PARISH IN
NORTHEASTERN LOUISIANA AND SOUTHWESTERN WARREN COUNTIES UNTIL 1215 AM
CDT...
At 1147 PM CDT, Meteorologists were tracking a strong thunderstorm
near Le Tourneau, or 11 miles southwest of Vicksburg. This storm was
nearly stationary.
Winds in excess of 40 mph will be possible with this storm.
This strong thunderstorm will be near...
Yokena and Le Tourneau around 1215 AM CDT.
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 3221 9112 3223 9112 3232 9096 3217 9079
3215 9083 3216 9085 3214 9085 3212 9089
3213 9091 3210 9092 3208 9096 3210 9096
3210 9100 3213 9107 3213 9110 3221 9114
TIME...MOT...LOC 0447Z 328DEG 4KT 3222 9101
$$
HJSThe 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, 7:43 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 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.