Alert archive / Mississippi / Severe Thunderstorm Warnings in 1986
Severe Thunderstorm Warning 21, NWS Jackson, MS
NWS Jackson, MS issued this severe thunderstorm warning at Mar 12, 1986, 2:59 PM CST for Jasper County, Lauderdale County, Newton County, Mississippi. It was in force for 61 min.
The area
The counties it named.
The facts
- Issued
- Mar 12, 1986, 2:59 PM CST (20:59 UTC)
- Expired
- Mar 12, 1986, 4:00 PM CST
- In force
- 61 min
- Issued by
- NWS Jackson, MS
- Area
- Whole counties
Counties Jasper County, MS, Lauderdale County, MS, Newton County, MS
The radar
The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.
The nearest sounding before it
Jackson, MS (KJAN), launched 12:00Z, 9.0 hours before the alert went out and 105 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
- 1344 J/kg
- Mixed-layer CIN
- -3 J/kg
- Mixed-layer LCL
- 647 m above ground
- 0-6 km bulk shear
- 62 kt
- 0-1 km storm-relative helicity
- 7 m²/s²
- 0-3 km storm-relative helicity
- 19 m²/s²
- Significant tornado parameter
- -0.2
- Supercell composite
- -0.5
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KMEI 122059 SVRMEI MSC061-069-075-101-103-122200- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE MERIDIAN MS 259 PM CST WED MAR 12 1986 THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 400 PM CST FOR PEOPLE IN THE FOLLOWING COUNTIES OF EAST CENTRAL MISSISSIPPI...JASPER...KEMPER...LAUDERDALE...NEWTON AND NOXUBEE AT 255 PM CST RADAR INDICATED A LINE OF SEVERE THUNDERSTORMS EXTENDED FROM MACON TO 10 MILES SOUTHEAST OF BAY SPRINGS MISSISSIPPI MOVING EAST AT 20 MPH. IF SEVERE WEATHER THREATENS..TAKE COVER IMMEDIATELY. TO REPORT SEVERE WEATHER..ASK THE NEAREST LAW ENFORCEMENT AGENCY TO RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE.
The office that day
Everything else NWS Jackson, MS issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 12, 7:52 AM CST | Severe Thunderstorm Warning | JAN | Claiborne, Warren | 38 min |
| Mar 12, 8:09 AM CST | Severe Thunderstorm Warning | JAN | Franklin, Jefferson | 36 min |
| Mar 12, 9:02 AM CST | Severe Thunderstorm Warning | JAN | Amite, Lincoln | 58 min |
| Mar 12, 9:02 AM CST | Severe Thunderstorm Warning | JAN | Copiah, Hinds | 58 min |
| Mar 12, 9:38 AM CST | Severe Thunderstorm Warning | JAN | Pike | 52 min |
| Mar 12, 9:54 AM CST | Severe Thunderstorm Warning | JAN | Lawrence | 66 min |
| Mar 12, 9:54 AM CST | Severe Thunderstorm Warning | JAN | Hinds, Madison, Rankin | 38 min |
| Mar 12, 10:50 AM CST | Severe Thunderstorm Warning | JAN | Lawrence, Walthall | 55 min |
| Mar 12, 12:12 PM CST | Severe Thunderstorm Warning | JAN | Jasper | 48 min |
| Mar 12, 12:24 PM CST | Tornado Warning | JAN | Jasper | 86 min |
| Mar 12, 12:39 PM CST | Tornado Warning | JAN | Clarke, Lauderdale | 51 min |
| Mar 12, 1:18 PM CST | Tornado Warning | JAN | Kemper | 42 min |
| Mar 12, 1:32 PM CST | Tornado Warning | JAN | Lauderdale | 28 min |
| Mar 12, 1:51 PM CST | Tornado Warning | JAN | Neshoba | 34 min |
| Mar 12, 2:59 PM CST | Severe Thunderstorm Warning | JAN | Kemper, Noxubee | 61 min |
| Mar 12, 5:07 PM CST | Tornado Warning | JAN | Jones, Wayne | 68 min |
Nearby
Severe Thunderstorm Warnings in Mississippi, 1986Every severe thunderstorm warning in 1986
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.