Alert archive / Mississippi / Flash Flood Warnings in 1989
Flash Flood Warning 28, NWS Jackson, MS
NWS Jackson, MS issued this flash flood warning at Jul 2, 1989, 4:53 PM CDT for Amite County, Franklin County, Mississippi. It was in force for 87 min.
The area
The counties it named.
The facts
- Issued
- Jul 2, 1989, 4:53 PM CDT (21:53 UTC)
- Expired
- Jul 2, 1989, 6:20 PM CDT
- In force
- 87 min
- Issued by
- NWS Jackson, MS
- Area
- Whole counties
Counties Amite County, MS, Franklin 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
Jackson, MS (KJAN), launched 12:00Z, 9.9 hours before the alert went out and 132 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
- 1206 J/kg
- Mixed-layer CIN
- -2 J/kg
- Mixed-layer LCL
- 582 m above ground
- 0-6 km bulk shear
- 7 kt
- 0-1 km storm-relative helicity
- 10 m²/s²
- 0-3 km storm-relative helicity
- 20 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 KJAN 022154
FFWJAN
MSC005-037-030100-
BULLETIN - EBS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE JACKSON MS
453 PM CDT SUN JUL 2 1989
THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL 800 PM CDT
FOR PEOPLE IN THE FOLLOWING COUNTIES...
IN SOUTHWEST MISSISSIPPI
...AMITE...FRANKLIN
AT 450 PM CDT...SEVERAL STRONG THUNDERSTORMS WERE LOCATED OVER
SOUTHWEST MISSISSIPPI FROM SOUTH OF NATCHEZ TO LIBERTY. 3 BRIDGES HAVE
RECENTLY BEEN WASHED OUT IN FRANKLIN COUNTY...WHERE AN ESTIMATED 6
INCHES OF RAIN HAS FALLEN SINCE LAST NIGHT. THESE PRESENT
THUNDERSTORMS POSE THE IMMEDIATE THREAT OF MORE HEAVY RAINS THAT COULD
LEAD TO FLASH FLOODING.
DO NOT DRIVE YOUR CAR INTO AREAS WHERE WATER COVERS THE ROAD.
THE WATER DEPTH MAY BE TOO DEEP TO ALLOW YOU TO CROSS SAFELY.
VEHICLES CAUGHT IN RISING WATER MUST BE ABANDONED QUICKLY.
<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, 1:21 PM CDT, 3 hours 32 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE JACKSON MS 120 PM CDT SUN JUL 2 1989 ...THUNDERSTORMS CONTINUEING OVER SOUTH HALF OF MISSISSIPPI... JACKSON RADAR IS CONTINUING TO SHOW RAIN ALONG WITH EMBEDDED THUNDER- STORMS OVER MOST OF THE SOUTHERN HALF OF MISSISSIPPI. INCLUDED WITHIN THIS AREA ARE TWO LINES OF RATHER STRONG THUNDERSTORMS. THE FIRST LINE OF THUNDERSTORMS STRETCHES FROM NORTH OF VICKSBURG EAST TO NEAR DEKALB. INDIVIDUAL THUNDERSTORMS ON THIS LINE ARE MOVING EAST AT 25 MPH WHILE THE ENTIRE LINE DROPS SLOWLY SOUTH. THE WESTERN PORTION OF THIS LINE IS APPROACHING JACKSON AND THE RESERVOIR. TO THE SOUTH...A SECOND LINE OF THUNDERSTORMS STRETCHES FROM JUST SOUTH OF MERIDIAN TO NEAR POPLARVILLE. THIS LINES IS MOVING EAST AT 25 MPH. ALL OF THESE STORMS ARE CAPABLE OF PRODUCING STRONG GUSTY WINDS...HEAVY RAIN...AND DANGEROUS LIGHTNING.
The office that day
Everything else NWS Jackson, MS issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 1, 8:46 PM CDT | Flash Flood Warning | JAN | Washington | 119 min |
| Jul 1, 8:59 PM CDT | Flash Flood Warning | JAN | Sunflower | 2 hr |
| Jul 1, 10:56 PM CDT | Flash Flood Warning | JAN | Washington | 2 hr |
| Jul 2, 12:43 AM CDT | Flash Flood Warning | JAN | Humphreys | 2 hr |
| Jul 2, 4:48 PM CDT | Flash Flood Warning | JAN | Adams | 117 min |
| Jul 2, 4:48 PM CDT | Severe Thunderstorm Warning | JAN | Adams | 57 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.