Alert archive / Mississippi / Flash Flood Warnings in 1989
Flash Flood Warning 17, NWS Mobile, AL
NWS Mobile, AL issued this flash flood warning at Jul 2, 1989, 11:10 AM CDT for Harrison County, Mississippi. It was in force for 3 hr.
The area
The counties it named.
The facts
- Issued
- Jul 2, 1989, 11:10 AM CDT (16:10 UTC)
- Expired
- Jul 2, 1989, 2:15 PM CDT
- In force
- 3 hr
- Issued by
- NWS Mobile, AL
- Area
- Whole counties
County Harrison 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
Slidell Radar S, LA (KSIL), launched 12:00Z, 4.2 hours before the alert went out and 62 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
- 2348 J/kg
- Mixed-layer CIN
- -2 J/kg
- Mixed-layer LCL
- 613 m above ground
- 0-6 km bulk shear
- 11 kt
- 0-1 km storm-relative helicity
- 55 m²/s²
- 0-3 km storm-relative helicity
- 89 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 021611
FFWMOB
MSC047-021915-
BULLETIN - EBS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE MOBILE AL
1110 AM CDT SUN JUL 2 1989
THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL 215 PM CDT
FOR PEOPLE IN THE FOLLOWING COUNTY...
IN SOUTHEAST MISSISSIPPI
...HARRISON
HEAVY RAIN HAS FALLEN THIS MORNING IN HARRISON COUNTY MISSISSIPPI.
WLOX-TV IN BILOXI REPORTS NEAR 8 INCHES /7.94/ SINCE MIDNIGHT. THE
COUNTY SHERIFF REPORTS MANY ROADS FLOODED AND VEHICLES STRANDED.
ADDITIONAL THUNDERSTORMS DEVELOPING TO THE WEST AND SOUTHWEST WILL
CONTINUE THE THREAT. THE ASTRONOMICAL HIGH TIDE OCCURRED ABOUT TWO
HOURS AGO AND THIS HAS RETARDED RUNOFF.
THE SHERIFFS OFFICE RECOMMENDS NO DRIVING IN HARRISON COUNTY UNLESS
ABSOLUTELY NECESSARY.
CONDITIONS WILL IMPROVE BY MID AFTERNOON AS THE TIDE FALLS AND THE
RAINFALL SHIFTS MORE INLAND.
A FLASH FLOOD WARNING MEANS THAT FLOODING IS OCCURRING OR IS
IMMINENT. MOST FLASH FLOOD DEATHS OCCUR IN AUTOMOBILES. DO NOT
ATTEMPT TO CROSS BRIDGES...DIPS...OR LOW SPOTS IF WATER COVERS
THE ROADWAY. NEVER TRY TO CROSS A FLOWING STREAM...EVEN A SMALL
ONE...ON FOOT. TO ESCAPE 'RISING WATER MOVE UP TO HIGHER GROUND.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
Special weather statement, Jul 2, 5:51 AM CDT, 5 hours 19 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MOBILE AL 550 AM CDT SUN JUL 2 1989 ...FLASH FLOOD WATCH TODAY FOR WASHINGTON AND CLARK COUNTIES IN SOUTHWEST ALABAMA... AT 545 AM CDT RADAR SHOWED VERY STRONG THUNDERSTORMS OVER SOUTHEAST MISSISSIPPI AND THE ADJACENT COASTAL WATERS MOVING INTO INTERIER SOUTHWEST ALABAMA. THE MORE INTENSE THUNDERSTORMS WERE IN THE COASTAL WATERS OF MISSISSIPPI AND LOUISIANA MOVING TO THE NORTHEAST AT NEAR 25 MPH. STRONGER THUNDERSTORMS WILL PRODUCE VERY HEAVY RAINFALL...GUSTY WINDS AND DANGEROUS LIGHTNING. TRAVEL IN AREAS REVEIVING HEAVY RAINFALL WILL BE HAZARDOUS. BOATERS IN THE MISSISSIPPI COASTAL WATERS SHOULD BE ALERT FOR THESE STORMS AND SEEK SAFE HARBOR IF THEY MOVE INTO YOUR AREA.
Special weather statement, Jul 2, 5:52 AM CDT, 5 hours 18 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MOBILE AL 550 AM CDT SUN JUL 2 1989 ...FLASH FLOOD WATCH TODAY FOR WASHINGTON AND CLARK COUNTIES IN SOUTHWEST ALABAMA... AT 545 AM CDT
Special weather statement, Jul 2, 8:01 AM CDT, 3 hours 9 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MOBILE AL 800 AM CDT SUN JUL 2 1989 ...FLASH FLOOD WATCH TODAY FOR WASHINGTON AND CLARK COUNTIES IN SOUTHWEST ALABAMA... AT 755 AM CDT RADAR SHOWED THE LEADING EDGE OF AN AREA OF THUNDERSTORMS ...SOME VERY STRONG...FROM NEAR MILERS FERRY ALABAMA TO MOBILE BAY AND SOUTHWEST TO NEAR THE MOUTH OF THE MISSISSIPPI RIVER. THIS AREA EXTENDS WEST THROUGH MUCH OF SOUTHEAST MISSISSIPPI INTO LOUISIANA. MOST OF THE STRONGER STORMS WERE IN THE LEADING EDGE OF THE AREA WHICH WAS MOVING TO THE EAST AT NEAR 15 MPH. STRONGER THUNDERSTORMS WILL PRODUCE VERY HEAVY RAINFALL...GUSTY WINDS AND DANGEROUS LIGHTNING. TRAVEL IN AREAS REVEIVING HEAVY RAINFALL WILL BE HAZARDOUS. BOATERS IN THE MISSISSIPPI AND ALABAMA COASTAL WATERS SHOULD SEEK SAFE HARBOR UNTIL THUNDERSTORMS MOVE THROUGH THE AREA.
Local storm report, Jul 2, 9:47 AM CDT, 1 hour 23 minutes before
ATTN SELS STORM REPORT NATIONAL WEATHER SERVICE MOBILE AL 945 AM CDT SUN JUL 2 1989 THE LONG BEACH MISSISSIPPI REPORTED THAT A WATERSPOUT MOVED ONSHORE AND BRIEFLY BECAME A TORNADO AT WHITE HARBOeR ROAD AND US HIGHWAY 90 AT 940 AM. NO DAMAGE REPORTED. THE GULFPORT POLICE DEPARTMENT JUST REPORTED THAT LIGHTNING STRUCK A CHURCH NEAR THE BEACH ON HIGHWAY 90 AND BLEW A HOLE IN THE ROOF.
Local storm report, Jul 2, 9:48 AM CDT, 1 hour 22 minutes before
ATTN SELS STORM REPORT NATIONAL WEATHER SERVICE MOBILE AL 945 AM CDT SUN JUL 2 1989 THE LONG BEACH MISSISSIPPI PD REPORTED THAT A WATERSPOUT MOVED ONSHORE AND BRIEFLY BECAME A TORNADO AT WHIThE HARBOR ROAD AND US HIGHWAY 90 AT 940 AM. NO DAMAGE REPORTED. THE GULFPORT POLICE DEPARTMENT JUST REPORTED THAT LIGHTNING STRUCK A CHURCH NEAR THE BEACH ON HIGHWAY 90 AND BLEW A HOLE IN THE ROOF.
Special weather statement, Jul 2, 10:29 AM CDT, 41 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MOBILE AL 1030 AM CDT SUN JUL 2 1989 ...FLASH FLOOD WATCH TODAY FOR WASHINGTON AND CLARK COUNTIES IN SOUTHWEST ALABAMA... AT 1020 AM CDT RADAR SHOWED A LARGE AREA OF RAIN WITH EMBEDDED CLUSTERS AND A FEW SHORT LINES OF STRONG THUNDERSTORMS COVERING MOST OF SOUTHWEST ALABAMA AND SOUTHEAST MISSISSIPPI AND THE ADJACENT COASTAL WATERS. THEY WERE MOVING TOWARD THE EAST NORTHEAST AT 20 MPH. NO WARNINGS ARE CURRENTLY IN EFFECT FOR THE AREA BUT THEY COULD BE ISSUED AT ANY TIME. THE THUNDERSTORMS ARE PRODUCING VERY HEAVY RAINFALL AMOUNTS...ESPECIALLY ON THE MISSISSIPPI COAST. THE HARRISON COUNTY CD OFFICE REPORTS THAT SINCE 7 AM GULFPORT HAVE RECEIVED 3.94 INCHES AND BILOXI 5.22 INCHES OF RAINFALL. THE MAIN EFFECT HAS BEEN EXTENSIVE STREET FLOODING. WITH ADDITIONAL THUNDERSTORMS DEVELOPING TO THE WEST AND SOUTWEST...SOME ADDITIONAL HEAVY RAINFALL AMOUNTS MAY BE EXPECTED ALONG THE MISSISSIPPI COAST. ALTHOUGH NO FLOODING HAS BEEN REPORTED FROM WASHINGTON OR CLARKE COUNTIES OF ALABAMA...MODERATE TO OCCASIONALLY HEAVY RAIN IS CONTINUING TO MOVE ACROSS THE AREA. RESIDENTS OF SOUTHWEST ALABAMA AND SOUTHEAST MISSISSIPPI SHOULD REMAIN ALERT FOR THE POSSIBLITY OF ADVERSE WEATHER FOR THE REMAINDER OF TODAY.
The office that day
Everything else NWS Mobile, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 2, 9:23 AM CDT | Tornado Warning | MOB | Harrison | 37 min |
Nearby
Flash Flood Warnings in Mississippi, 1989Every flash flood warning in 1989
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.