Alert archive / Mississippi / Flash Flood Warnings in 1990
Flash Flood Warning 9, NWS Jackson, MS
NWS Jackson, MS issued this flash flood warning at Feb 15, 1990, 2:45 PM CST for 4 counties in Mississippi. It was in force for 3 hr.
The area
The counties it named.
The facts
- Issued
- Feb 15, 1990, 2:45 PM CST (20:45 UTC)
- Expired
- Feb 15, 1990, 5:45 PM CST
- In force
- 3 hr
- Issued by
- NWS Jackson, MS
- Area
- Whole counties
Counties Covington County, MS, Jefferson Davis County, MS, Lawrence County, MS, Simpson 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, 8.8 hours before the alert went out and 76 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
- 1189 J/kg
- Mixed-layer CIN
- -9 J/kg
- Mixed-layer LCL
- 728 m above ground
- 0-6 km bulk shear
- 24 kt
- 0-1 km storm-relative helicity
- 157 m²/s²
- 0-3 km storm-relative helicity
- 178 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 3.4
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KJAN 152046
FFWJAN
MSC127-129-031-065-077-152345-
BULLETIN - EBS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE JACKSON MS
245 PM CST THU FEB 15 1990
THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL 545 PM CST
FOR PEOPLE IN THE FOLLOWING COUNTIES...
IN CENTRAL MISSISSIPPI
...SIMPSON...SMITH
IN SOUTH CENTRAL MISSISSIPPI
...COVINGTON...JEFFERSON.DAVIS...LAWRENCE
SEVERAL THUNDERSTORMS HAVE MOVED ACROSS SOUTH CENTRAL MISSISSIPPI
DURING THE PAST HOUR OR TWO. RAINFALL AMOUNTS OF OVER THREE INCHES
HAVE BEEN REPORTED IN THIS AREAS SINCE NOON TODAY. WITH THE ADDITIONAL
HEAVY RAIN EXPECTED AND THE ALREADY SWOLLEN CREEKS FLASH FLOODING OF
LOW LYING AREAS AND AREAS OF POOR DRAINAGE IS POSSIBLE FOR THE
REMAINDER OF THE AFTERNOON.
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 CAUGCHT IN RISING WATER MUST BE ABANDONED QUICKLY.
<
MOST FLASH FLOOD DEATHS OCCUR IN AUTOMOBILES. DO NOT ATTEMPT
TO CROSS BRIDGES OR LOW SPOTS IF WATER COVERS THE ROAD. NEVER
TRY TO CROSS A FLOWING STREAM...EVEN A SMALL ONE...ON FOOT.
<The office that day
Everything else NWS Jackson, MS issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 15, 9:27 AM CST | Severe Thunderstorm Warning | JAN | Neshoba | 33 min |
| Feb 15, 10:11 AM CST | Severe Thunderstorm Warning | JAN | Newton | 34 min |
| Feb 15, 10:25 AM CST | Severe Thunderstorm Warning | JAN | Jasper | 35 min |
| Feb 15, 10:28 AM CST | Severe Thunderstorm Warning | JAN | Lauderdale | 47 min |
| Feb 15, 10:42 AM CST | Severe Thunderstorm Warning | JAN | Kemper | 33 min |
| Feb 15, 10:42 AM CST | Severe Thunderstorm Warning | JAN | Hinds, Warren | 48 min |
| Feb 15, 11:03 AM CST | Severe Thunderstorm Warning | JAN | Jasper | 27 min |
| Feb 15, 11:15 AM CST | Severe Thunderstorm Warning | JAN | Clarke, Lauderdale | 60 min |
| Feb 15, 12:21 PM CST | Flash Flood Warning | JAN | Lauderdale | 2 hr |
| Feb 15, 12:27 PM CST | Severe Thunderstorm Warning | JAN | Jasper | 33 min |
| Feb 15, 12:40 PM CST | Severe Thunderstorm Warning | JAN | Newton | 35 min |
| Feb 15, 12:45 PM CST | Severe Thunderstorm Warning | JAN | Simpson, Smith | 45 min |
| Feb 15, 12:52 PM CST | Tornado Warning | JAN | Lauderdale | 38 min |
| Feb 15, 12:55 PM CST | Tornado Warning | JAN | Amite | 50 min |
| Feb 15, 12:59 PM CST | Tornado Warning | JAN | Simpson, Smith | 31 min |
| Feb 15, 1:11 PM CST | Tornado Warning | JAN | Jefferson Davis | 34 min |
| Feb 15, 1:21 PM CST | Tornado Warning | JAN | Scott | 24 min |
| Feb 15, 1:24 PM CST | Tornado Warning | JAN | Jasper, Newton | 51 min |
| Feb 15, 1:28 PM CST | Tornado Warning | JAN | Lauderdale | 32 min |
| Feb 15, 1:33 PM CST | Tornado Warning | JAN | Covington, Smith | 27 min |
| Feb 15, 1:42 PM CST | Tornado Warning | JAN | Kemper | 48 min |
| Feb 15, 1:47 PM CST | Tornado Warning | JAN | Pike | 18 min |
| Feb 15, 1:59 PM CST | Tornado Warning | JAN | Smith | 31 min |
| Feb 15, 2:01 PM CST | Tornado Warning | JAN | Lauderdale | 44 min |
| Feb 15, 2:05 PM CST | Tornado Warning | JAN | Lawrence, Lincoln | 25 min |
| Feb 15, 2:26 PM CST | Tornado Warning | JAN | Jasper | 49 min |
| Feb 15, 2:37 PM CST | Severe Thunderstorm Warning | JAN | Smith | 38 min |
| Feb 15, 2:37 PM CST | Severe Thunderstorm Warning | JAN | Covington | 23 min |
| Feb 15, 2:45 PM CST | Flash Flood Warning | JAN | Smith | 3 hr |
| Feb 15, 2:49 PM CST | Flash Flood Warning | JAN | Lauderdale | 6 hr |
| Feb 15, 2:51 PM CST | Tornado Warning | JAN | Lauderdale | 54 min |
| Feb 15, 3:41 PM CST | Tornado Warning | JAN | Jasper | 49 min |
| Feb 15, 3:59 PM CST | Severe Thunderstorm Warning | JAN | Lauderdale | 46 min |
| Feb 15, 4:16 PM CST | Severe Thunderstorm Warning | JAN | Adams, Jefferson | 29 min |
| Feb 15, 4:29 PM CST | Severe Thunderstorm Warning | JAN | Bolivar | 31 min |
| Feb 15, 4:51 PM CST | Severe Thunderstorm Warning | JAN | Hinds | 39 min |
| Feb 15, 5:03 PM CST | Flash Flood Warning | JAN | Jasper | 6 hr |
| Feb 15, 5:48 PM CST | Severe Thunderstorm Warning | JAN | Washington | 27 min |
Nearby
Flash Flood Warnings in Mississippi, 1990Every flash flood warning in 1990
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.