Alert archive / Mississippi / Severe Thunderstorm Warnings in 1986
Severe Thunderstorm Warning 2, NWS Jackson, MS
NWS Jackson, MS issued this severe thunderstorm warning at Feb 17, 1986, 4:38 PM CST for Yalobusha County, Mississippi. It was in force for 37 min. 1 report came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- Feb 17, 1986, 4:38 PM CST (22:38 UTC)
- Expired
- Feb 17, 1986, 5:15 PM CST
- In force
- 37 min
- Issued by
- NWS Jackson, MS
- Area
- Whole counties
County Yalobusha County, MS
The radar
The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Feb 17, 4:50 PM CST | Hail 0.75 | Yalobusha, MS |
NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in. Storm Data before 1996 records only tornadoes, thunderstorm wind and hail.
The nearest sounding before it
Little Rock, AR (KLZK), launched 12:00Z, 10.6 hours before the alert went out and 92 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 3565 m above ground
- 0-6 km bulk shear
- 48 kt
- 0-1 km storm-relative helicity
- 148 m²/s²
- 0-3 km storm-relative helicity
- 130 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KJAN 172240 SVRJAN MSC161-172315- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE JACKSON MS 438 PM CST MON FEB 17 1986 THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 515 PM CST FOR YALOBUSHA COUNTY IN MISSISSIPPI. AT 436 PM CST RADAR INDICATED A SEVERE THUNDERSTORM IN EXTREME NORTH- ERN GRENADA COUNTY NEAR HARDY. THIS THUNDERSTORM WAS PRODUCING LARGE HAIL IN THAT AREA...AND WAS MOVING EAST NORTHEAST AT 35 MPH. ON ITS PRESENT COURSE, THIS STORM WILL ENTER SOUTHERN YALOBUSHA COUNTY SHORTLY...AND WILL TRACK ACROSS THE SOUTHEASTERN PORTION OF THE COUNTY. PERSONS IN THE PATH OF THIS STORM SHOULD SEEK SHELTER.
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.
In the hours before
Special weather statement, Feb 17, 1:40 PM CST, 2 hours 58 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE TUPELO MS 140 PM CST MON FEB 17 1986 ...HEAVY THUNDERSTORMS AND SMALL HAIL OCCURING IN NORTHEAST MISSISSIPPI... AT 130PM CST THE NATIONAL WEATHER SERVICE RADAR INDICATED SEVERAL HEAVY THUNDERSTORMS OCCURING IN NORTHEAST MISSISSIPPI WITH SMALL HAIL BEING REPORTED. THESE THUNDERSTORMS WERE OCCURING NORTHEAST OF TUPELO..WEST OF WEST POINT..AND BETWEEN CORINTH AND BOONEVILLE. THESE THUNDERSTORMS WERE MOVING TO THE EAST NORTHEAST AT 30 MP THUDERSTORMS CONTINUE TO DEVELOPE IN NORTHERN AND EASTERN MISSISSIPPI AND WERE MOVING THE THE EAST AT 25 MILES AN HOUR. THESE THUNDERSTORMS CAN PRODUCE BRIEF PERIOD OF HEAVY RAIN..WIND GUSTS UP TO 40 MILES AN HOUR... SMALL HAIL...AND DANGEROUS LIGHTNING. PERSONS IN NORTHEAST MISSISSIPPI SHOULD BE WEATHER ALERT AND BE PREPARED TO TAKE THE NECESSARY ACTION SHOULD THREATENING WEATHER APPROACH.
Special weather statement, Feb 17, 1:53 PM CST, 2 hours 45 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MERIDIAN MS
148 PM CST MON FEB 17 1986
...THUNDERSTORMS INCREASING IN STRENGTH OVER EAST CENTRAL
MISSISSIPPI AND EXTREME WEST CENTRAL ALABAMA...
AT 145 PM CST RADAR INDICATED SEVERAL VERY HEAVY THUNDERSTORMS
OVER EAST CENTRAL MISSISSIPPI AND EXTREME WEST CENTRAL ALABAMA.
THE HEAVIEST STORM WAS 10 MILES NORTHWEST OF WAYNESBORO IN
EAST CENTRAL MISSISSIPPI.
THESE THUNDERSTORMS HAVE INCREASED IN STRENGTH AND AREA COVERAGE
SINCE THE LAST HOUR AND WERE MOVING NORTHEAST AT 30 MILES AN HOUR.
IF SEVERE WEATHER IS SIGHTED TAKE SHELTER IMMEDIATELY.
[
[Special weather statement, Feb 17, 3:13 PM CST, 1 hour 25 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MERIDIAN MS
315 PM CST MON FEB 17 1986
...THUNDERSTORMS INCREASING IN STRENGTH OVER EAST CENTRAL
MISSISSIPPI AND EXTREME WEST CENTRAL ALABAMA...
AT 310 PM CST RADAR INDICATED SEVERAL VERY HEAVY THUNDERSTORMS
OVER EAST CENTRAL MISSISSIPPI AND EXTREME WEST CENTRAL ALABAMA.
THE HEAVIEST STORM IN EAST CENTRAL MISSISSIPPI WAS IN CLARKE
COUNTY 10 MILES SOUTH OF QUITMAN. OTHER VERY HEAVY THUNDERSTORMS
WERE 15 MILES SOUTH OF HATIESBURG AND OVER EASTERN PARTS OF KEMPER
COUNTY IN EAST CENTRAL MISSISSIPPI.
THESE THUNDERSTORMS HAVE INCREASED IN STRENGTH AND AREA COVERAGE
SINCE THE LAST HOUR AND WERE MOVING NORTHEAST AT 30 MILES AN HOUR.
IF SEVERE WEATHER IS SIGHTED TAKE SHELTER IMMEDIATELY.
HLocal storm report, Feb 17, 3:59 PM CST, 39 minutes before
LOCAL STORM REPORT NATIONAL WEATHER SERVICE MERIDIAN MS 358 PM CST MON FEB 17 1986 MISSISSIPPI HIGHWAY PATROL REPORTS GOLF BALL SIZE HALL 10 MILES SOUTH OF LOUISVILLE NEAR HIGHWAY 15 AT 345 PM CST.
The office that day
Everything else NWS Jackson, MS issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 17, 3:42 PM CST | Severe Thunderstorm Warning | JAN | Sunflower | 28 min |
| Feb 17, 5:35 PM CST | Severe Thunderstorm Warning | JAN | Grenada | 35 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.