Alert archive / Mississippi / Severe Thunderstorm Warnings in 1986
Severe Thunderstorm Warning 34, NWS Mobile, AL
NWS Mobile, AL issued this severe thunderstorm warning at May 18, 1986, 3:25 PM CDT for Forrest County, Mississippi. It was in force for 35 min.
The area
The counties it named.
The facts
- Issued
- May 18, 1986, 3:25 PM CDT (20:25 UTC)
- Expired
- May 18, 1986, 4:00 PM CDT
- In force
- 35 min
- Issued by
- NWS Mobile, AL
- Area
- Whole counties
County Forrest 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, 8.4 hours before the alert went out and 148 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
- 286 J/kg
- Mixed-layer CIN
- -58 J/kg
- Mixed-layer LCL
- 680 m above ground
- 0-6 km bulk shear
- 36 kt
- 0-1 km storm-relative helicity
- 96 m²/s²
- 0-3 km storm-relative helicity
- 168 m²/s²
- Significant tornado parameter
- 0.2
- Supercell composite
- 3.1
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KMOB 182025 SVRMOB MSC035-182100- BULLETIN..IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE MOBILE AL 325 PM CDT SUN MAY 18 1986 THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 400 PM CDT FOR PERSONS IN THE FOLLOWING COUNTIES OF SOUTHEAST MISSISSIPPI...FORREST AT 308 PM CDT RADAR SHOWED A CLUSTER OF SEVERE THUNDERSTORMS OVER LAMAR COUNTY MOVING TOWARD THE EAST NORTHEAST AT 40 MPH THERE ARE STRONG INDICATIONS OF LARGE HAIL AND DAMAGING WINDS WITH THIS THUNDERSTORM.
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
Local storm report, May 18, 12:26 PM CDT, 2 hours 59 minutes before
ATTN SELS STORM REPORT NATIONAL WEATHER SERVICE MOBILE AL 1223 PM CDT SUN MAY 18 1986 ..JACKSON ALABAMA POLICE REPORTED POWER LINES DOWN IN THE SOUTH PART OF THAT CITY. TWIN TORNADOES WERE OBSERV;ED PASSING OVER THE AREA ABOUT NOON. ANOTHER TORNADO WAS REPORTED BY THE PUBLIC 9 MILES NORTH OF JACKSON NEAR ANTIOCH..ABOUT 1215 PM.
Special weather statement, May 18, 1:15 PM CDT, 2 hours 10 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MOBILE AL 115 PM CDT SUN MAY 18 1986 ...TORNADO WATCH NUMBER 194 REMAINS IN EFFECT UNTIL 500 PM CDT FOR ALL OF SOUTHEAST MISSISSIPPI AND MOST OF SOUTHWEST ALABAMA... ...A SEVERE THUNDERSTORM WARNING IS IN EFFECT UNTIL 200 PM CDT FOR MONROE COUNTY IN SOUTHWEST ALABAMA.... AT 110 PM CDT THE MOBILE WEATHER RADAR SHOWED SCATTERED SHOWERS AND A FEW VERY HEAVY THUNDERSTORMS OCCURING OVER CENTRAL AND SOUTH CENTRAL ALABAMA MAINLY TO THE NORTHEAST OF A LINE FROM BREWTON TO SILAS. THE HEAVIEST THUNDERSTORMS WERE LOCATED...NEAR MONROEVILLE...NEAR REPTON... 15 MILES WEST OF GROVE HILL. THESE STORMS ARE MOVING TO THE NORTHEAST AT 25 MPH AND MAY PRODUCE HAIL AND STRONG GUSTY WINDS ALONG WITH BRIEF PERIODS OF VERY HEAVY RAINFALL. ALSO, A LARGE AREA OF VERY HEAVY THUNDERSTORMS EXTENDS ACROSS MISSISSIPPI FROM NEAR MCCOMB TO NEAR JACKSON. THESE STORMS ARE MOVING TO THE EAST AT 30 MPHz AND WILL PROBABLY EFFECT SOUTHEAST MISSISSIPPI LATER THIS AFTERNOON. STAY TUNED TO NOAA WEATHER RADIO, COMMERCIAL RADIO, OR TELEVISION FOR THE LATEST INFORMATION ON THIS POTENTIALLY DANGEROUS WEATHER SITUATION.
The office that day
Everything else NWS Mobile, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 18, 2:25 PM CDT | Severe Thunderstorm Warning | MOB | Lamar | 35 min |
| May 18, 2:45 PM CDT | Severe Thunderstorm Warning | MOB | Greene, Perry | 45 min |
| May 18, 3:10 PM CDT | Severe Thunderstorm Warning | MOB | Lamar | 50 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.