Alert archive / Mississippi / Flash Flood Warnings in 2003
Flash Flood Warning 7, NWS Jackson, MS
NWS Jackson, MS issued this flash flood warning at Feb 21, 2003, 12:17 PM CST for Franklin County, Mississippi. It was in force for 6 hr. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Feb 21, 2003, 12:17 PM CST (18:17 UTC)
- Expired
- Feb 21, 2003, 6:15 PM CST
- In force
- 6 hr
- Issued by
- NWS Jackson, MS
- Area
- Counties, with a storm outline in the text
County Franklin County, MS
The nearest sounding before it
Slidell Radar S, LA (KSIL), launched 12:00Z, 6.3 hours before the alert went out and 180 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
- 362 J/kg
- Mixed-layer CIN
- -40 J/kg
- Mixed-layer LCL
- 469 m above ground
- 0-6 km bulk shear
- 69 kt
- 0-1 km storm-relative helicity
- 380 m²/s²
- 0-3 km storm-relative helicity
- 504 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 5.4
The text
As transmitted, in the capitals the NWS used until 2016.
000 WGUS54 KJAN 211819 FFWJAN MSC037-220015- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE JACKSON MS 1217 PM CST FRI FEB 21 2003 THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A * FLASH FLOOD WARNING FOR... FRANKLIN COUNTY IN SOUTHWEST MISSISSIPPI * UNTIL 615 PM CST * AT 1217 PM CST...WEATHER SERVICE DOPPLER RADAR INDICATED THUNDERSTORMS PRODUCING VERY HEAVY RAIN ARE MOVING INTO THE COUNTY. ADDITIONAL SHOWERS AND THUNDERSTORMS ARE EXPECTED TO CONTINUE TO DEVELOP THROUGH THE AFTERNOON HOURS ON GROUND THAT IS ALREADY SATURATED. MOST DEATHS IN FLASH FLOODING OCCUR IN AUTOMOBILES. DO NOT ATTEMPT TO CROSS BRIDGES...DIPS...OR LOW SPOTS IF WATER COVERS THE ROADWAY. LAT...LON 3133 9121 3120 9106 3149 9067 3162 9103 $$
1 follow-up statement
000 WGUS74 KJAN 212322 FFSJAN MSC037-220015- FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE JACKSON MS 515 PM CST FRI FEB 21 2003 FLASH FLOOD WARNING REMAINS IN EFFECT FOR FRANKLIN COUNTY IN SOUTHWEST MISSISSIPPI UNTIL 615 PM. AT 515 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED THAT SCATTERED SHOWERS AND THUNDERSTORMS CONTINUED OVER FRANKLIN COUNTY. RAINFALL ESTIMATES FROM DOPPLER RADAR WERE BETWEEN 6 AND 7 INCHES SINCE EARLY THIS MORNING. $$ GAGAN
The office that day
Everything else NWS Jackson, MS issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 21, 6:06 AM CST | Severe Thunderstorm Warning | JAN | Covington, Jefferson Davis | 39 min |
| Feb 21, 9:00 AM CST | Flash Flood Warning | JAN | Jefferson Davis, Lawrence, Lincoln | 3 hr |
| Feb 21, 11:30 AM CST | Flash Flood Warning | JAN | Covington | 3 hr |
| Feb 21, 12:00 PM CST | Flash Flood Warning | JAN | Jefferson Davis, Lawrence, Lincoln | 6 hr |
| Feb 21, 12:43 PM CST | Severe Thunderstorm Warning | JAN | Franklin | 37 min |
| Feb 21, 12:57 PM CST | Severe Thunderstorm Warning | JAN | Jefferson | 43 min |
| Feb 21, 1:55 PM CST | Flash Flood Warning | JAN | Claiborne, Jefferson | 6 hr |
| Feb 21, 2:12 PM CST | Flash Flood Warning | JAN | Copiah, Simpson, Smith | 6 hr |
| Feb 21, 3:18 PM CST | Flash Flood Warning | JAN | Covington | 3 hr |
| Feb 21, 4:51 PM CST | Flash Flood Warning | JAN | Jones | 6 hr |
| Feb 21, 5:01 PM CST | Flash Flood Warning | JAN | Lamar, Marion | 6 hr |
| Feb 21, 5:48 PM CST | Flash Flood Warning | JAN | Franklin, Jefferson Davis, Lawrence, Lincoln | 6 hr |
Nearby
Flash Flood Warnings in Mississippi, 2003Every flash flood warning in 2003
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.