Alert archive / Mississippi / Flash Flood Warnings in 1998
Flash Flood Warning 21, NWS Jackson, MS
NWS Jackson, MS issued this flash flood warning at Mar 8, 1998, 1:20 AM CST for Marion County, Mississippi. It was in force for 115 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Mar 8, 1998, 1:20 AM CST (07:20 UTC)
- Expired
- Mar 8, 1998, 3:15 AM CST
- In force
- 115 min
- Issued by
- NWS Jackson, MS
- Area
- Whole counties
County Marion County, MS
The nearest sounding before it
Slidell Radar S, LA (KSIL), launched 00:00Z, 7.3 hours before the alert went out and 110 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
- 65 J/kg
- Mixed-layer CIN
- -254 J/kg
- Mixed-layer LCL
- 520 m above ground
- 0-6 km bulk shear
- 77 kt
- 0-1 km storm-relative helicity
- 530 m²/s²
- 0-3 km storm-relative helicity
- 619 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 6.3
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KJAN 080722 FFWJAN MSC067-031-091-035-073-080915- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE JACKSON MS 120 AM CST SUN MAR 8 1998 THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A FLASH FLOOD WARNING EFFECTIVE UNTIL 315 AM CST FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN EAST CENTRAL MISSISSIPPI ...JONES COUNTY IN SOUTH CENTRAL MISSISSIPPI ...COVINGTON COUNTY...MARION COUNTY IN SOUTHEAST MISSISSIPPI ...FORREST COUNTY...LAMAR COUNTY AT 115 AM...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED SHOWERS AND THUNDERSTORMS CONTINUING OVER SOUTHEAST MISSISSIPPI. IN THESE STORMS LOCALLY HEAVY RAINFALL WAS OCCURRING WITH HOURLY AMOUNTS AROUND 1 INCH AT SOME LOCATIONS. NUMEROUS STREETS WERE REPORTED FLOODED IN THE HATTIESBURG AREA. ADDITIONAL SHOWERS AND THUNDERSTORMS WILL TRACK OVER SOUTHEAST MISSISSIPPI THROUGH 3 AM. MANY AREAS HAVE ALREADY RECEIVED RAINFALL AMOUNTS BETWEEN 2 AND 4 INCHES ON SATURDAY. THEREFORE...THE SOILS ARE SATURATED AND ANY ADDITIONAL RAINFALL WILL BECOME RUNOFF. AT NIGHT BE ESPECIALLY CAUTIOUS WHEN IT IS HARDER TO RECOGNIZE THE DANGERS OF FLOODS AND FLASH FLOODS. DO NOT DRIVE YOUR CAR INTO AREASl 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. 66
The office that day
Everything else NWS Jackson, MS issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 7, 7:41 PM CST | Flash Flood Warning | JAN | Jefferson Davis, Lawrence, Simpson, Smith | 2 hr |
| Mar 7, 8:05 PM CST | Flash Flood Warning | JAN | Covington, Forrest, Jones, Lamar | 3 hr |
| Mar 7, 8:05 PM CST | Flash Flood Warning | JAN | Marion | 3 hr |
| Mar 7, 11:00 PM CST | Flash Flood Warning | JAN | Lamar, Marion | 2 hr |
| Mar 7, 11:00 PM CST | Flash Flood Warning | JAN | Covington, Forrest, Jones | 2 hr |
| Mar 8, 1:20 AM CST | Flash Flood Warning | JAN | Covington, Forrest, Jones, Lamar | 115 min |
| Mar 8, 3:31 PM CST | Severe Thunderstorm Warning | JAN | Leflore, Sunflower | 44 min |
Nearby
Flash Flood Warnings in Mississippi, 1998Every flash flood warning in 1998
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.