Alert archive / Mississippi / Flash Flood Warnings in 1987
Flash Flood Warning 14, NWS Mobile, AL
NWS Mobile, AL issued this flash flood warning at Aug 14, 1987, 1:07 PM CDT for Harrison County, Stone County, Mississippi. It was in force for 4 hr.
The area
The counties it named.
The facts
- Issued
- Aug 14, 1987, 1:07 PM CDT (18:07 UTC)
- Expired
- Aug 14, 1987, 5:00 PM CDT
- In force
- 4 hr
- Issued by
- NWS Mobile, AL
- Area
- Whole counties
Counties Harrison County, MS, Stone 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, 6.1 hours before the alert went out and 144 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
- 2780 J/kg
- Mixed-layer CIN
- -1 J/kg
- Mixed-layer LCL
- 567 m above ground
- 0-6 km bulk shear
- 5 kt
- 0-1 km storm-relative helicity
- -38 m²/s²
- 0-3 km storm-relative helicity
- -18 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KMOB 141807 FFWMOB MSC047-131-142200- BULLETIN - IMMEDIATE BROADCAST REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE MOBILE AL 107 PM CDT FRI AUG 14 1987 THE NATIONAL WEATHER SERVICE HAS ISSUED A FLASH FLOOD WARNING EFFECTIVE UNTIL 500 PM CDT FOR PEOPLE IN THE FOLLOWING COUNTIES IN SOUTHEAST MISSISSIPPI...HARRISON...AND STONE AT 105 PM CDT RADAR SHOWS VERY HEAVY RAINFALL CONTINUING ACROSS THE NORTHEASTERN HALF OF STONE COUNTY AND THE NORTHEAST PORTION OF HARRISON COUNTY. MANY CREEKS AND STREAMS ARE ON THE RISE IN THESE COUNTIES....AND LOW LYING AREAS ARE BEGINNING TO FLOOD OR ARE ALREADY FLOODED IN SOME AREAS. A VERY PERSISTENT LINE OF THUNDERSTORMS EXTENDING FROM NEAR THE CITY OF JACKSON TO NEAR WIGGINS AND ON INTO THE EXTREME SOUTHEAST CORNER OF MISSISSIPPI IS POSING A DANGEROUS FLASH FLOOD THREAT TO HARRISON AND STONE COUNTIES. DO NOT DRIVE INTO FLOOD WATERS...IT COULD MEAN YOUR LIFE. PERSONS IN FLOOD PRONE AREAS SHOULD TAKE ACTION TO PROTECT LIFE AND PROPERTY IMMEDIATELY.
What forecasters said that day
The local office's own words before this flash flood 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, Aug 14, 9:46 AM CDT, 3 hours 21 minutes before
STORM REPORT NATIONAL WEATHER SERVICE MOBILE AL 945 AM CDT FRI AUG 14 1987 ...FLOODING IN JACKSON COUNTY MISSISSIPPI... THE JACKSON COUNTY CIVIL DEFENSE DIRECTOR REPORTED A FEW MINUTES AGO THAT RAINFALL AMOUNTS IN JACKSON COUNTY SINCE MIDNIGHT ARE ESTIMATED TO BE 6 INCHES GENERALLY OVER MOST OF THE COUNTY WITH JUST A LITTLE OVER 4 INCHES MEASURED AT OCEAN SPRINGS. ROADS WERE CLOSED IN VAN CLEAVE...AROUND ORANGE GROVE AND THE FRANKLIN CREEK COMMUNITY...ALL IN THE SOUTHEAST PART OF THE COUNTY. ALSO REPORTED WERE JUST A FEW INSTANCES OF WATER RISING INTO HOMES IN SCATTERED LOCATIONS AROUND THE COUNTY.
Local storm report, Aug 14, 10:32 AM CDT, 2 hours 35 minutes before
STORM REPORT NATIONAL WEATHER SERVICE MOBILE AL 1030 AM CDT FRI AUG 14 1987 A MOBILE COUNTY SHERIFFS DEPUTY REPORTED A FEW MINUTES AGO THAT A FOOT OF WATER WAS OVER THE ROAD LEADING TO THE WEST END (OF DAUHPIN ISLAND AND SEVERAL AUTOMOBILES HAVE DROWNED OUT ALONG THE ROAD. TRAFFIC TO THE WEST END OF THE ISLAND IS NOW BEING SEVERELY LIMITED AS HEAVY RAIN IS STILL FALLING OVER THAT PORTION OF THE ISLAND.
The office that day
Everything else NWS Mobile, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 14, 8:15 AM CDT | Flash Flood Warning | MOB | Jackson | 3 hr |
| Aug 14, 10:55 AM CDT | Flash Flood Warning | MOB | Jackson | 3 hr |
| Aug 14, 2:20 PM CDT | Flash Flood Warning | MOB | Jackson | 3 hr |
| Aug 14, 5:00 PM CDT | Flash Flood Warning | MOB | Harrison, Jackson | 3 hr |
Nearby
Flash Flood Warnings in Mississippi, 1987Every flash flood 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.