Alert archive / Mississippi / Severe Thunderstorm Warnings in 2018
Severe Thunderstorm Warning 389, NWS Jackson, MS
NWS Jackson, MS issued this severe thunderstorm warning at Aug 29, 2018, 6:42 PM CDT for Clay County, Lowndes County, Oktibbeha County, Mississippi. It was in force for 48 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Aug 29, 2018, 6:42 PM CDT (23:42 UTC)
- Expired
- Aug 29, 2018, 7:30 PM CDT
- In force
- 48 min
- Issued by
- NWS Jackson, MS
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Clay County, MS, Lowndes County, MS, Oktibbeha County, MS
The radar
The Columbus AFB radar (KGWX), 54 km from the middle of the area, began a volume at 23:43 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 12:00Z, 11.7 hours before the alert went out and 182 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
- 810 J/kg
- Mixed-layer CIN
- -57 J/kg
- Mixed-layer LCL
- 818 m above ground
- 0-6 km bulk shear
- 5 kt
- 0-1 km storm-relative helicity
- -30 m²/s²
- 0-3 km storm-relative helicity
- -19 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
What forecasters said that day
The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Jackson, MS wrote its last area forecast discussion before this severe thunderstorm warning went out at Aug 29, 6:20 PM CDT, 22 minutes earlier.
Area forecast discussion, Aug 29, 6:20 PM CDT, 22 minutes before
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</html>Hazardous weather outlook, Aug 29, 2:38 PM CDT, 4 hours 4 minutes before
Hazardous Weather Outlook National Weather Service Jackson MS 238 PM CDT Wed Aug 29 2018 ARZ074-075-LAZ007>009-015-016-023>026-MSZ018-019-025>066-072>074- 301945- Ashley-Chicot-Morehouse-West Carroll-East Carroll-Richland- Madison LA-Franklin LA-Catahoula-Tensas-Concordia-Bolivar- Sunflower-Leflore-Grenada-Carroll-Montgomery-Webster-Clay-Lowndes- Choctaw-Oktibbeha-Washington-Humphreys-Holmes-Attala-Winston- Noxubee-Issaquena-Sharkey-Yazoo-Madison MS-Leake-Neshoba-Kemper- Warren-Hinds-Rankin-Scott-Newton-Lauderdale-Claiborne-Copiah- Simpson-Smith-Jasper-Clarke-Jefferson-Adams-Franklin MS-Lincoln- Lawrence-Jefferson Davis-Covington-Jones-Marion-Lamar-Forrest- 238 PM CDT Wed Aug 29 2018 This hazardous weather outlook is for portions of southeast Arkansas, northeast Louisiana, central Mississippi, north central Mississippi, and south central Mississippi. .DAY ONE...Tonight and Thursday The probability for widespread hazardous weather is low. .DAYS TWO THROUGH SEVEN...Thursday night through Tuesday The probability for widespread hazardous weather is low. .SPOTTER CALL TO ACTION STATEMENT... The activation of storm spotters, HAM radio operators, and emergency management personnel in support of severe weather operations is not expected through next Tuesday. CME && ...HAZARD LEGEND... No short term hazards expected. ...USEFUL WEATHER WEB PAGES (URLS)... NWS JAN Home page... https://www.weather.gov/jan Stay Aware, Stay Safe NWS JAN Briefing Page... https://www.weather.gov/jan/safe Latest Weather Briefing... https://www.weather.gov/jan/weather_briefing Tropical page... https://www.weather.gov/jan/srh/tropical?office=jan National Hurricane Center Home Page... https://www.nhc.noaa.gov/ Find NWS JAN on Facebook... https://www.facebook.com/NWSJacksonMS Follow NWS JAN on Twitter... @NWSJacksonMS Follow NWS JAN on Youtube... https://www.youtube.com/user/NWSJacksonMiss
In the hours before
Special weather statement, Aug 29, 4:20 PM CDT, 2 hours 22 minutes before
Special Weather Statement
National Weather Service Jackson MS
420 PM CDT WED AUG 29 2018
MSZ048-054-062-063-292145-
Lawrence MS-Copiah MS-Hinds MS-Lincoln MS-
420 PM CDT WED AUG 29 2018
...A STRONG THUNDERSTORM WILL AFFECT NORTHEASTERN LINCOLN...
NORTHWESTERN LAWRENCE...SOUTHWESTERN HINDS AND COPIAH COUNTIES UNTIL
445 PM CDT...
At 419 PM CDT, Meteorologists were tracking a strong thunderstorm
over Martinsville, or near Hazlehurst, moving north at 20 mph.
Nickel size hail and wind gusts up to 50 mph will be possible with
this storm.
This strong thunderstorm will be near...
Glancy around 425 PM CDT.
Hazlehurst around 435 PM CDT.
Crystal Springs and Gallman around 445 PM CDT.
Other locations impacted by this storm include Beauregard.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Torrential rainfall is also occurring with this storm, and may lead
to localized flooding. Do not drive your vehicle through flooded
roadways.
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 3165 9053 3213 9063 3216 9028 3164 9020
3156 9039
TIME...MOT...LOC 2119Z 171DEG 17KT 3181 9039
JMLocal storm report, Aug 29, 4:42 PM CDT, 2 hours before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE JACKSON MS
442 PM CDT WED AUG 29 2018
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0422 PM TSTM WND DMG 1 SSW HAZLEHURST 31.85N 90.40W
08/29/2018 COPIAH MS PUBLIC
TREE DOWN ALONG WESLEY CHAPEL RD.
&&
TWLocal storm report, Aug 29, 4:46 PM CDT, 1 hour 56 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE JACKSON MS
446 PM CDT WED AUG 29 2018
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0425 PM TSTM WND DMG 5 WNW WESSON 31.73N 90.48W
08/29/2018 COPIAH MS LAW ENFORCEMENT
TREE DOWN ALONG SYLVARENA RD.
&&
TWSpecial weather statement, Aug 29, 5:42 PM CDT, 1 hour before
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</html>Special weather statement, Aug 29, 5:53 PM CDT, 49 minutes before
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</html>The office that day
Everything else NWS Jackson, MS issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 29, 1:46 PM CDT | Special Weather Statement | JAN | Jones | 29 min |
| Aug 29, 2:04 PM CDT | Special Weather Statement | JAN | Adams | 26 min |
| Aug 29, 2:11 PM CDT | Special Weather Statement | JAN | Leflore | 34 min |
| Aug 29, 2:35 PM CDT | Special Weather Statement | JAN | Jefferson | 40 min |
| Aug 29, 2:53 PM CDT | Special Weather Statement | JAN | Smith | 37 min |
| Aug 29, 3:03 PM CDT | Severe Thunderstorm Warning | JAN | Rankin, Simpson, Smith | 22 min |
| Aug 29, 3:52 PM CDT | Special Weather Statement | JAN | Copiah | 23 min |
| Aug 29, 4:20 PM CDT | Special Weather Statement | JAN | Copiah | 25 min |
| Aug 29, 4:50 PM CDT | Severe Thunderstorm Warning | JAN | Copiah, Hinds, Rankin | 40 min |
| Aug 29, 5:42 PM CDT | Special Weather Statement | JAN | Hinds | 33 min |
| Aug 29, 5:53 PM CDT | Special Weather Statement | JAN | Clay | 37 min |
| Aug 29, 6:06 PM CDT | Special Weather Statement | JAN | Madison | 24 min |
| Aug 29, 1:52 PM CDT | Special Weather Statement | JAN | East Carroll | 38 min |
| Aug 29, 3:10 PM CDT | Special Weather Statement | JAN | Morehouse | 35 min |
Nearby
Severe Thunderstorm Warnings in Mississippi, 2018Every severe thunderstorm warning 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.