Alert archive / Mississippi / Severe Thunderstorm Warnings in 1986
Severe Thunderstorm Warning 77, NWS Mobile, AL
NWS Mobile, AL issued this severe thunderstorm warning at Aug 2, 1986, 1:30 PM CDT for Mobile County, Alabama; George County, Greene County, Mississippi. It was in force for 60 min. 2 reports 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
- Aug 2, 1986, 1:30 PM CDT (18:30 UTC)
- Expired
- Aug 2, 1986, 2:30 PM CDT
- In force
- 60 min
- Issued by
- NWS Mobile, AL
- Area
- Whole counties
Counties Mobile County, AL, George County, MS, Greene 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 |
|---|---|---|---|
| Aug 2, 2:20 PM CDT | Thunderstorm Wind 0 | Mobile, AL | |
| Aug 2, 2:35 PM CDT | Thunderstorm Wind 0 | Mobile, AL |
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
Eglin AFB/Valpar, FL (KVPS), launched 12:00Z, 6.5 hours before the alert went out and 197 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
- 2020 J/kg
- Mixed-layer CIN
- -62 J/kg
- Mixed-layer LCL
- 1425 m above ground
- 0-6 km bulk shear
- 5 kt
- 0-1 km storm-relative helicity
- -13 m²/s²
- 0-3 km storm-relative helicity
- 14 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.
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, Aug 2, 12:52 PM CDT, 38 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE PENSACOLA FL 1234 PM CDT SAT AUG 2 1986 ..A SEVERE THUNDERSTORM WATCH NUMBER 452 IS IN EFFECT UNTIL 700 PM CDT FOR ESCAMBIA..SANTA ROSA..OKALOOSA COUNTIES IN FLORIDA..AND FOR THE ADJOINING COASTAL WATERS. AT 1230 PM CDT...A VERY HEAVY THUNDERSTORM WAS CENTERED 15 MILES WEST OF THE PENSACOLA NAVAL AIR STATION..AND A HEAVY THUNDERSTORM WAS 10 MILES NORTHEAST OF APALACHICOLA. VERY HEAVY THUNDERSTORMS WERE SCATTERED OVER SOUTHEAST MISSISSIPPI AND WERE MOVING INTO CHOCTAW COUNTY ALABAMA. THE HEAVIEST THUNDERSTORMS WERE NEAR LAUREL AND NEAR HATTIESBURG IN MISSISSIPPI. THE THUNDERSTORMS WERE MOVING SOUTHEAST AT 30 MILES AN HOUR. THE HEAVIER THUNDERSTORMS WILL PRODUCE PERIODS OF HEAVY RAIN..FREQUENT LIGHTNING STRIKES..STRONG GUSTY WIND..AND POSSIBLE HAIL. PERSONS SHOULD WATCH FOR THREATENING WEATHER CONDITIONS AND BE PREPARED TO TAKE ANY NECESSARY PRECAUTIONS.
The office that day
Everything else NWS Mobile, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 2, 1:30 PM CDT | Severe Thunderstorm Warning | MOB | Washington | 60 min |
| Aug 2, 2:23 PM CDT | Severe Thunderstorm Warning | MOB | Baldwin, Mobile | 67 min |
| Aug 2, 2:50 PM CDT | Severe Thunderstorm Warning | MOB | Escambia | 60 min |
| Aug 2, 3:30 PM CDT | Severe Thunderstorm Warning | MOB | Baldwin, Escambia | 60 min |
| Aug 2, 3:30 PM CDT | Severe Thunderstorm Warning | MOB | Mobile | 60 min |
| Aug 2, 4:53 PM CDT | Severe Thunderstorm Warning | MOB | Covington | 67 min |
| Aug 2, 12:58 PM CDT | Severe Thunderstorm Warning | MOB | Forrest, Perry, Stone | 62 min |
| Aug 2, 2:23 PM CDT | Severe Thunderstorm Warning | MOB | Harrison, Jackson | 67 min |
Nearby
Severe Thunderstorm Warnings in Mississippi, 1986Severe Thunderstorm Warnings in Alabama, 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.