Alert archive / Mississippi / Severe Thunderstorm Warnings in 2018
Severe Thunderstorm Warning 305, NWS Jackson, MS
NWS Jackson, MS issued this severe thunderstorm warning at Jul 19, 2018, 4:36 PM CDT for 4 counties in Mississippi. It was in force for 54 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
- Jul 19, 2018, 4:36 PM CDT (21:36 UTC)
- Expired
- Jul 19, 2018, 5:30 PM CDT
- In force
- 54 min
- Issued by
- NWS Jackson, MS
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Covington County, MS, Forrest County, MS, Jones County, MS, Lamar County, MS
The radar
The Jackson/Brandon,MS radar (KDGX), 112 km from the middle of the area, began a volume at 21:38 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
Jackson, MS (KJAN), launched 12:00Z, 9.6 hours before the alert went out and 121 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
- 915 J/kg
- Mixed-layer CIN
- -61 J/kg
- Mixed-layer LCL
- 807 m above ground
- 0-6 km bulk shear
- 20 kt
- 0-1 km storm-relative helicity
- 34 m²/s²
- 0-3 km storm-relative helicity
- 74 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 Jul 19, 4:16 PM CDT, 20 minutes earlier.
Area forecast discussion, Jul 19, 4:16 PM CDT, 20 minutes before
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</html>Hazardous weather outlook, Jul 19, 3:37 PM CDT, 59 minutes before
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Special weather statement, Jul 19, 3:01 PM CDT, 1 hour 35 minutes before
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</html>Special weather statement, Jul 19, 4:03 PM CDT, 33 minutes before
Special Weather Statement National Weather Service Jackson MS 403 PM CDT THU JUL 19 2018 MSZ056-057-065-066-192145- Smith MS-Jones MS-Covington MS-Jasper MS- 403 PM CDT THU JUL 19 2018 ...A STRONG THUNDERSTORM WILL AFFECT SOUTHWESTERN JASPER... SOUTHEASTERN SMITH...NORTHEASTERN COVINGTON AND NORTHERN JONES COUNTIES UNTIL 445 PM CDT... At 403 PM CDT, Meteorologists were tracking a strong thunderstorm near Taylorsville, or 8 miles southwest of Stringer, moving south 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... Ellisville around 445 PM CDT. Other locations impacted by this storm include Seminary, Mize and Soso. 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 3192 8963 3195 8918 3159 8904 3154 8955 TIME...MOT...LOC 2103Z 345DEG 18KT 3181 8939 10
Local storm report, Jul 19, 4:22 PM CDT, 14 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE JACKSON MS
422 PM CDT THU JUL 19 2018
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0245 PM TSTM WND DMG LAKE 32.35N 89.33W
07/19/2018 SCOTT MS LAW ENFORCEMENT
TREES DOWN IN LAKE. REPORTED BY SHERIFF'S
OFFICE.
0240 PM TSTM WND DMG MORTON 32.36N 89.66W
07/19/2018 SCOTT MS LAW ENFORCEMENT
A COUPLE TREES DOWN IN MORTON. REPORTED BY
SHERIFF'S OFFICE.
0235 PM TSTM WND DMG FOREST 32.36N 89.47W
07/19/2018 SCOTT MS LAW ENFORCEMENT
TREES DOWN, A FEW ON POWER LINES IN FOREST.
REPORTED BY SHERIFF'S OFFICE.
&&The office that day
Everything else NWS Jackson, MS issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 18, 7:16 PM CDT | Flash Flood Warning | JAN | Clarke, Jasper, Lauderdale, Newton | 119 min |
| Jul 19, 2:18 PM CDT | Severe Thunderstorm Warning | JAN | Newton, Scott | 42 min |
| Jul 19, 3:01 PM CDT | Special Weather Statement | JAN | Smith | 44 min |
| Jul 19, 3:13 PM CDT | Heat Advisory | JAN | Adams, Attala, Bolivar, Carroll, Choctaw, Claiborne and 41 more | 29 hr |
| Jul 19, 4:03 PM CDT | Special Weather Statement | JAN | Covington, Jones | 42 min |
| Jul 19, 5:29 PM CDT | Special Weather Statement | JAN | Forrest, Lamar | 46 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.