Alert archive / Mississippi / Severe Thunderstorm Warnings in 1987
Severe Thunderstorm Warning 15, NWS Mobile, AL
NWS Mobile, AL issued this severe thunderstorm warning at Mar 27, 1987, 9:46 AM CST for Hancock County, Mississippi. It was in force for 44 min.
The area
The counties it named.
The facts
- Issued
- Mar 27, 1987, 9:46 AM CST (15:46 UTC)
- Expired
- Mar 27, 1987, 10:30 AM CST
- In force
- 44 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, 3.8 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
- 126 J/kg
- Mixed-layer CIN
- -250 J/kg
- Mixed-layer LCL
- 633 m above ground
- 0-6 km bulk shear
- 77 kt
- 0-1 km storm-relative helicity
- 114 m²/s²
- 0-3 km storm-relative helicity
- 203 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.7
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KMOB 271546 SVRMOB MSC045-271630- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM AND SPECIAL MARINE WARNING NATIONAL WEATHER SERVICE MOBILE AL 946 AM CST FRI MAR 27 1987 THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM AND SPECIAL MARINE WARNING EFFECTIVE UNTIL 1030 AM CST FOR PEOPLE IN THE FOLLOWING COUNTY OF SOUTHEAST MISSISSIPPI...HANCOCK ...THIS WARNING ALSO INCLUDES THE ADJACENT COASTAL WATERS FOR THE COUNTY JUST MENTIONED MOBILE RADAR AT 1040 AM CST SHOWED A VERY STRONG THUNDERSTORM 10 MILES NORTHWEST OF BAY ST. LOUIS MISSISSIPPI. THE STORM WAS TRACKING EAST NORTHEAST AT 35 MPH. THIS STORM IS ACCOMPANIED BY INTENSE LIGHTNING AND STRONG GUSTY WINDS. THIS STORM ALSO PRODUCED GOLF BALL SIZE HAIL IN THE SLIDELL LOUISIANA AREA AS IT MOVED NORTHEAST.
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, Mar 27, 5:03 AM CST, 4 hours 43 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE PENSACOLA FL 500 AM CST FRI MAR 27 1987 ...TRAVELERS ADVISORY FOR THE FLORIDA PANHANDLE... FOG WAS WIDESPREAD OVER THE FLORIDA PANHANDLE...AND PATCHES OF DENSE FOG REDUCING VISIBILITY TO LESS THAN ONE-HALF MILE MAY BE EXPECTED AT SCATTERED LOCATIONS IN THE FLORIDA PANHANDLE. TRAVELERS SHOULD EXERCISE ALL NECESSARY PRECAUTIONS FOR THESE HAZARDOUS DRIVING CONDITIONS. ALLOW EXTRA TRAVEL TIME TO REACH DESTINATIONS... SLOW DOWN AND USE LOW-BEAM HEADLIGHTS...AND BE ALERT FOR POSSIBLE SUDDEN ENCOUNTERS WITH AREAS OF DENSE FOG. CONDITIONS ARE EXPECTED TO IMPROVE AROUND MID-MORNING.
Special weather statement, Mar 27, 9:05 AM CST, 41 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MOBILE AL 905 AM CST FRI MAR 27 1987 ...VERY HEAVY THUNDERSTORMS MOVING INTO THE WESTERN COUNTIES OF SOUTHEAST MISSISSIPPI AND THE COASTAL WATERS OF ALABAMA... MOBILE RADAR AT 900 AM CST SHOWED VERY HEAVY THUNDERSTORMS MOVING INTO SOUTHEAST MISSISSIPPI COUNTIES OF PEARL RIVER AND LAMAR FROM LOUISIANA. OTHER SHOWERS AND VERY HEAVY THUNDERSTORMS WERE OVER THE COASTAL WATERS OF ALABAMA...NORTHWEST FLORIDA AND SOUTHWEST ALABAMA. THE STORMS WERE MOVING NORTHEAST AT 30 MPH. PERSONS IN OR NEAR THE HEAVY STORMS MAY EXPERIENCE BRIEF FLOODING OF ROADWAYS DUE TO THE HEAVY RAINFALL...ELECTRICAL STORMS DUE TO THE LIGHTNING STRIKES AND STRONG GUSTY WINDS. < LISTEN TO NOAA WEATHER RADIO, COMMERICAL RADIO OR TV FOR LATER STATEMENTS ON THIS WEATHER PROBLEM AS IT MOVES ACROSS SOUTHEAST MISSISSIPPI AND SOUTHWEST ALABAMA FOR THE NEXT COUPLE HOURS.
Nearby
Severe Thunderstorm Warnings in Mississippi, 1987Every severe thunderstorm warning in 1987
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.