Alert archive / Mississippi / Severe Thunderstorm Warnings in 1986
Severe Thunderstorm Warning 89, NWS Mobile, AL
NWS Mobile, AL issued this severe thunderstorm warning at Aug 17, 1986, 6:59 PM CDT for Hancock County, Mississippi. It was in force for 61 min.
The area
The counties it named.
The facts
- Issued
- Aug 17, 1986, 6:59 PM CDT (23:59 UTC)
- Expired
- Aug 17, 1986, 8:00 PM CDT
- In force
- 61 min
- Issued by
- NWS Mobile, AL
- Area
- Whole counties
County Hancock 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
Boothville, LA (KBVE), launched 12:00Z, 12.0 hours before the alert went out and 119 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
- 2375 J/kg
- Mixed-layer CIN
- -3 J/kg
- Mixed-layer LCL
- 658 m above ground
- 0-6 km bulk shear
- 16 kt
- 0-1 km storm-relative helicity
- 24 m²/s²
- 0-3 km storm-relative helicity
- 27 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 17, 5:43 PM CDT, 1 hour 16 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MOBILE AL 540 PM CDT SUN AUG 17 1986 AT 535 CDT RADAR AT MOBILE SHOWED A VERY HEAVY THUNDERSTORM 25 MILES NORTHEAST OF MOBILE BETWEEN CALVERT AND STOCKTON ALABAMA. STRONG THUNDERSTORMS WERE IN MISSISSIPPI IN THE PURVIS AND LUMBERTON AREA... BETWEEN HURLEY AND PASCAGOULA AND IN THE MISSISSIPPI SOUND SOUTH OF GULFPORT AND BILOXI. THE THUNDERSTORMS WERE MOVING SOUTHEAST 15 MPH AND WILL PRODUCE STRONG GUTY WINDS 30 TO 40 MPH WITH DANGEROUS LIGHTNING AND BRIEF VERY HEAVY RAIN. PERSONS IN AND NEAR THE THUNDERSTORMS SHOULD MOVE TO INSIDE IF POSSIBLE. IF YOU ARE OUTSTIDE MOVE AWAY FROM HIGH OBJECT IN THE NEARBY AREA AND AWAY FROM METAL OBJECTS. ...REMEMBER LIGHTNING IS THE THUNDERSTORMS GREATHEAST KILLER...
Special weather statement, Aug 17, 5:46 PM CDT, 1 hour 13 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MOBILE AL 540 PM CDT SUN AUG 17 1986 AT 535 CDT RADAR AT MOBILE SHOWED A VERY HEAVY THUNDERSTORM 25 MILES NORTHEAST OF MOBILE BETWEEN CALVERT AND STOCKTON ALABAMA. STRONG THUNDERSTORMS WERE IN MISSISSIPPI IN THE PURVIS AND LUMBERTON AREA... BETWEEN HURLEY AND PASCAGOULA AND IN THE MISSISSIPPI SOUND SOUTH OF GULFPORT AND BILOXI. THE THUNDERSTORMS WERE MOVING SOUTHEAST 15 MPH AND WILL PRODUCE STRONG GUTY WINDS 30 TO 40 MPH WITH DANGEROUS LIGHTNING AND BRIEF VERY HEAVY RAIN. PERSONS IN AND NEAR THE THUNDERSTORMS SHOULD MOVE TO INSIDE SHELTER IF POSSIBLE. IF YOU ARE OUTSTIDE MOVE AWAY FROM HIGH OBJECT IN THE NEARBY AREA AND A WAY FROM METAL OBJECTS. ...REMEMBER LIGHTNING IS THE THUNDERSTORMS GREATHEAST KILLER...
The office that day
Everything else NWS Mobile, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 17, 6:05 PM CDT | Severe Thunderstorm Warning | MOB | Hancock, Pearl River | 55 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.