Alert archive / Mississippi / Special Weather Statements in 2018
Special Weather Statement, NWS Jackson, MS
NWS Jackson, MS issued this special weather statement at Aug 6, 2018, 1:21 PM CDT for Oktibbeha County, Mississippi. It was in force for 39 min. 1 report came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Aug 6, 2018, 1:21 PM CDT (18:21 UTC)
- Expired
- Aug 6, 2018, 2:00 PM CDT
- In force
- 39 min
- Issued by
- NWS Jackson, MS
County Oktibbeha County, MS
The radar
The Columbus AFB radar (KGWX), 83 km from the middle of the area, began a volume at 18:23 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Aug 6, 1:34 PM CDT | HAIL 1 | 4 Sse Maben, MS |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Jackson, MS (KJAN), launched 12:00Z, 6.4 hours before the alert went out and 158 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
- 1643 J/kg
- Mixed-layer CIN
- -69 J/kg
- Mixed-layer LCL
- 1018 m above ground
- 0-6 km bulk shear
- 13 kt
- 0-1 km storm-relative helicity
- -41 m²/s²
- 0-3 km storm-relative helicity
- -73 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
861
WWUS84 KJAN 061821
SPSJAN
Special Weather Statement
National Weather Service Jackson MS
121 PM CDT MON AUG 6 2018
MSZ032-033-061900-
Oktibbeha MS-Choctaw MS-
121 PM CDT MON AUG 6 2018
...A STRONG THUNDERSTORM WILL AFFECT NORTHEASTERN CHOCTAW AND WESTERN
OKTIBBEHA COUNTIES UNTIL 200 PM CDT...
At 121 PM CDT, Meteorologists were tracking a strong thunderstorm
near Sherwood, or 11 miles west of Starkville, moving northeast at 5
mph.
Winds in excess of 40 mph will be possible with this storm.
This strong thunderstorm will be near...
Longview around 135 PM CDT.
Other locations impacted by this storm include Sturgis.
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.
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 3330 8895 3329 8899 3329 8906 3343 8919
3353 8911 3353 8909 3355 8909 3356 8908
3356 8893 3345 8886
TIME...MOT...LOC 1821Z 231DEG 6KT 3347 8902
$$
DCThe office that day
Everything else NWS Jackson, MS issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 5, 7:02 PM CDT | Special Weather Statement | JAN | Sharkey, Yazoo | 43 min |
| Aug 5, 9:05 PM CDT | Special Weather Statement | JAN | Holmes | 40 min |
| Aug 6, 1:30 PM CDT | Severe Thunderstorm Warning | JAN | Choctaw, Clay, Oktibbeha, Webster | 45 min |
| Aug 6, 2:14 PM CDT | Special Weather Statement | JAN | Choctaw | 31 min |
| Aug 6, 2:35 PM CDT | Special Weather Statement | JAN | Grenada | 25 min |
| Aug 6, 4:09 PM CDT | Special Weather Statement | JAN | Winston | 36 min |
| Aug 6, 5:04 PM CDT | Special Weather Statement | JAN | Madison | 41 min |
Nearby
Special Weather Statements in Mississippi, 2018Every special weather statement in 2018
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.