Alert archive / Mississippi / Severe Thunderstorm Warnings in 1986
Severe Thunderstorm Warning 97, NWS Mobile, AL
NWS Mobile, AL issued this severe thunderstorm warning at Nov 24, 1986, 10:30 PM CST for Hancock County, Mississippi. It was in force for 60 min.
The area
The counties it named.
The facts
- Issued
- Nov 24, 1986, 10:30 PM CST (04:30 UTC)
- Expired
- Nov 24, 1986, 11:30 PM CST
- In force
- 60 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 00:00Z, 4.5 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
- 1685 J/kg
- Mixed-layer CIN
- -5 J/kg
- Mixed-layer LCL
- 591 m above ground
- 0-6 km bulk shear
- 35 kt
- 0-1 km storm-relative helicity
- 104 m²/s²
- 0-3 km storm-relative helicity
- 120 m²/s²
- Significant tornado parameter
- 0.7
- Supercell composite
- 4.5
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KMOB 250430 RRA SVRMOB MSC045-250530- BULLETIN..IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE MOBILE AL 1030 PM CST MON NOV 24 1986 THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 1130 PM CST FOR THE FOLLOWING COUNTY IN MISSISSIPPI... ...HANCOCK AT 1029 PM WEATHER SERVICE RADAR SHOWED A SEVERE THUNDERSTORM ENTERING WESTERN HANCOCK COUNTY. THIS STORM WILL PRODUCE DAMAGING WINDS ...TORRENTIAL RAINS...DANGEROUS LIGHTNING...AND POSSIBLY HAIL...AS IT MOVES EAST AT 20 MPH.
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, Nov 24, 4:36 PM CST, 5 hours 54 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE PENSACOLA FL 435 PM CST MON NOV 24 1986 AT 430 PM CST...THUNDERSTORMS...SOME VERY HEAVY...MIXED WITH SHOWERS AND LARGE PATCHES OF RAIN WERE OVER SOUTHWEST ALABAMA...SOUTHEAST MISSISSIPPI...AND WITH A FEW THUNDERSHOWERS OVER THE WEST PART OF THE FLORIDA PANHANDLE. THE HEAVIER THUNDERSTORMS WERE AROUND THE ATMORE AND EVERGREEN ALABAMA AREAS. THUNDERSHOWERS WERE MAINLY OVER ESCAMBIA AND SANTA ROSA COUNTIES OF FLORIDA. THE THUNDERSTORMS WERE MOVING NORTH AT 20 MILES AN HOUR. THE HEAVIER THUNDERSTORMS WILL PRODUCE PERIODS OF VERY HEAVY RAINS... FREQUENT LIGHTNING...GUSTY WIND AROUND 40 MILES AN HOUR...AND SOME BRIEF FLOOD OF POOR DRAINAGE AREAS. SOME EARLIER REPORTS OF WATERSPOUTS HAVE BEEN RECEIVED...AND MARINERS AND COASTAL RESIDENTS SHOULD BE ALERT FOR THESE CONDITIONS WHILE THE STORMS REMAIN IN THE AREA. THE THUNDERSHOWERS WERE DEVELOPING ALONG THE COAST AND MOVING INLAND.
Special weather statement, Nov 24, 5:47 PM CST, 4 hours 43 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE PENSACOLA FL 535 PM CST MON NOV 24 1986 AT 530 PM CST...THUNDERSTORMS...SOME VERY HEAVY...MIXED WITH SHOWERS AND LARGE PATCHES OF RAIN WERE OVER SOUTHWEST ALABAMA...SOUTHEAST MISSISSIPPI...AND THE WEST PART OF THE FLORIDA PANHANDLE. THE HEAVIER THUNDERSTORMS WERE BETWEEN PENSACOLA AND MCDAVID AND FROM AROUND MOBILE TO WEST OF MILTON...WITH OTHER HEAVY STORMS BETWEEN DOTHAN AND MONTGOMERY. THE THUNDERSTORMS WERE MOVING NORTH AT 20 MILES AN HOUR. THE HEAVIER THUNDERSTORMS WILL PRODUCE PERIODS OF VERY HEAVY RAINS... FREQUENT LIGHTNING...GUSTY WIND AROUND 40 MILES AN HOUR...AND SOME BRIEF FLOODING OF POOR DRAINAGE AREAS:. PERSONS SHOULD TAKE ANY NECESSARY PRECAUTIONS FOR THESE CONDITIONS AS THE THUNDERSTORMS CONTINUE TO DEVELOP ALONG THE COASTAL SECTIONS.
Special weather statement, Nov 24, 6:45 PM CST, 3 hours 45 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE PENSACOLA FL 635 PM CST MON NOV 24 1986 ...THUNDERSTORMS CONTINUE OVER THE WEST FLORIDA PANHANDLE AND SOUTH ALABAMA... AT 630 PM CST...THUNDERSTORMS...SOME VERY HEAVY...MIXED WITH SHOWERS AND LARGE PATCHES OF RAIN WERE OVER THE WEST PART OF THE FLORIDA PAN- HANDLE...SOUTH ALABAMA...AND SOUTHEAST MISSISSIPPI. IN FLORIDA THE MAIN CONCENTRATION WAS OVER ESCAMBIA AND SANTA ROSA COUNTIES...WITH THE HEAVIER THUNDERSTORMS BETWEEN MILTON AND ATMORE ALABAMA. THE THUNDERSTORMS WERE MOVING NORTHEAST AT 20 MILES AN HOUR. IN ALABAMA...THE HEAVIER THUNDERSTORMS WERE AROUND THE MOBILE AREA OF SOUTHWEST ALABAMA...AND AROUND THE BREWTON AND ANDALUSIA AREAS. THE RAIN AND THUNDERSTORMS COVER MOST OF SOUTHEAST MISSISSIPPI AND SOUTH ALABAMA SOUTH FROM MERIDIAN AND MONTGOMERY. THE HEAVIER THUNDERSTORMS WILL PRODUCE PERIODS OF VERY HEAVY RAINS... FREQUENT LIGHTNING...GUSTY -WIND AROUND 40 MILES AN HOUR...AND SOME FLOODING OF POOR DRAINAGE AREAS. PERSONS SHOULD TAKE ANY NECESSARY PRECAUTIONS FOR THESE CONDITIONS.
Special weather statement, Nov 24, 7:49 PM CST, 2 hours 41 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE PENSACOLA FL 735 PM CST MON NOV 24 1986 AT 730 PM CST...THUNDERSTORMS...SOME VERY HEAVY...MIXED WITH SHOWERS AND LARGE PATCHES OF RAIN WERE OVER THE WEST PART OF THE FLORIDA PAN- HANDLE...SOUTH ALABAMA...SOUTHEAST MISSISSIPPI...AND LOUISIANA. THE HEAVIER THUNDERSTORMS WERE SCATTERED OVER A 30 MILE WIDE AREA FROM NEAR MOBILE AND NORTHEAST ACROSS ATMORE AND BREWTON AND THE NORTHWEST CORNER OF THE FLORIDA PANHANDLE AND TO NEAR ANDALUSIA ALABAMA. THE THUNDERSTORMS WERE MOVING NORTH-NORTHEAST AT 20 MILES AN HOUR. THE HEAVIER THUNDERSTORMS WILL PRODUCE PERIODS OF VERY HEAVY RAINS... FREQUENT LIGHTNING...GUSTY WIND AROUND 35 MILES AN HOUR...AND SOME FLOODING OF LOW AREAS. PERSONS SHOULD TAKE AND NECESSARY PRECAUTIONS FOR THESE CONDITIONS. FREQUENT LIGHTNING...GUSTY WIND AROUND 40 MILES AN HOUR...AND SOME FLOODING OF POOR DRAINAGE AREAS. PERSONS SHOULD TAKE ANY NECESSARY PRECAUTIONS FOR THESE CONDITIONS.
The office that day
Everything else NWS Mobile, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Nov 25, 11:56 AM CST | Severe Thunderstorm Warning | MOB | Jackson | 64 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.