Alert archive / Mississippi / Flash Flood Warnings in 1998
Flash Flood Warning 17, NWS Jackson, MS
NWS Jackson, MS issued this flash flood warning at Mar 7, 1998, 8:05 PM CST for Marion County, Mississippi. It was in force for 3 hr. 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 7, 1998, 8:05 PM CST (02:05 UTC)
- Expired
- Mar 7, 1998, 11:00 PM CST
- In force
- 3 hr
- 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, 2.1 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 080205 FFWJAN MSC031-035-067-073-091-080500- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE JACKSON MS 800 PM CST SAT MAR 7 1998 AT 800 PM DOPPLER RADAR SHOWED HEAVY RAIN CONTINUING TO FALL OVER SOUTHEAST MISSISSIPPI. NUMEROUS REPORTS OF FLOODED STREETS HAVE BEEN RECEIVED FROM THE HATTIESBURG AREA. MORE HEAVY RAIN WAS DEVELOPING OVER EXTREME SOUTHEAST LOUISIANA...AND WILL LIKELY AFFECT THE WARNED AREA. AT NIGHT BE ESPECIALLY CAUTIOUS WHEN IT IS HARDER TO RECOGNIZE THE DANGERS OF FLOODS AND FLASH FLOODS. IF FLASH FLOODING IS OBSERVED... ACT QUICKLY. MOVE SWIFTLY TO ESCAPE FLOOD WATERS. < 76
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, Mar 7, 6:54 PM CST, 1 hour 11 minutes before
LAZ007>009-015-016-023>026-MSZ047-053-059>061-080115- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE JACKSON MS 654 PM CST SAT MAR 7 1998 TORNADO WATCH NUMBER 89 WILL EXPIRE AT 700 PM CST. A NEW WATCH WILL NOT BE ISSUED AT THIS TIME...ALTHOUGH THE SITUATION WILL BE MONITORED CLOSELY. VERY WARM UNSTABLE AIR REMAINS IN PLACE ACROSS SOUTH LOUISIANA AS A COLD FRONT ADVANCES ACROSS THE LOWER MISSISSIPPI VALLEY FROM THE WEST TONIGHT. THUS CONDITIONS REMAIN FAVORABLE FOR THUNDERSTORMS ACROSS THE REGION TONIGHT AND SOME COULD STILL BE SEVERE.
Special weather statement, Mar 7, 6:54 PM CST, 1 hour 11 minutes before
LAZ007>009-015-016-023>026-MSZ047-053-059>061-080115- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE JACKSON MS 654 PM CST SAT MAR 7 1998 TORNADO WATCH NUMBER 89 WILL EXPIRE AT 700 PM CST. A NEW WATCH WILL NOT BE ISSUED AT THIS TIME...ALTHOUGH THE SITUATION WILL BE MONITORED CLOSELY. VERY WARM UNSTABLE AIR REMAINS IN PLACE ACROSS SOUTH LOUISIANA AS A COLD FRONT ADVANCES ACROSS THE LOWER MISSISSIPPI VALLEY FROM THE WEST TONIGHT. THUS CONDITIONS REMAIN FAVORABLE FOR THUNDERSTORMS ACROSS THE REGION TONIGHT AND SOME COULD STILL BE SEVERE.
Special weather statement, Mar 7, 7:34 PM CST, 31 minutes before
ARZ074-075-MSZ018-019-025>027-034>036-080330- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE JACKSON MS 734 PM CST SAT MAR 7 1998 ...STRONG WIND GUSTS ACROSS THE DELTA REGION... A DEEPENING LOW PRESSURE SYSTEM ACROSS ARKANSAS IN COMBINATION WITH OUTFLOW FROM THUNDERSTORMS HAS RESULTED IN STRONG WINDS ACROSS THE DELTA COUNTIES OF MISSISSIPPI AND EXTREME SOUTHEAST ARKANSAS. WINDS AT THE GREENWOOD AND GREENVILLE AIRPORTS HAVE GUSTED AS HIGH AS 35 TO 40 MPH BETWEEN 630 AND 730 PM SATURDAY EVENING. THE LOW PRESSURE SYSTEM IS EXPECTED TO CONTINUE TO DEEPEN AND MOVE SLOWLY NORTHWARD DURING THE NIGHT. STRONG WIND GUSTS FROM THE EAST AND SOUTHEAST CAN BE EXPECTED TO CONTINUE FOR THE NEXT SEVERAL HOURS...ESPECIALLY WITH ANY THUNDERSTORMS THAT MAY MOVE THROUGH. THE WIND WILL GRADUALLY BECOME SOUTHERLY AFTER MIDNIGHT AND FINALLY SWITCH TO THE WEST ON SUNDAY.
Special weather statement, Mar 7, 7:34 PM CST, 31 minutes before
ARZ074-075-MSZ018-019-025>027-034>036-080330- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE JACKSON MS 734 PM CST SAT MAR 7 1998 ...STRONG WIND GUSTS ACROSS THE DELTA REGION... A DEEPENING LOW PRESSURE SYSTEM ACROSS ARKANSAS IN COMBINATION WITH OUTFLOW FROM THUNDERSTORMS HAS RESULTED IN STRONG WINDS ACROSS THE DELTA COUNTIES OF MISSISSIPPI AND EXTREME SOUTHEAST ARKANSAS. WINDS AT THE GREENWOOD AND GREENVILLE AIRPORTS HAVE GUSTED AS HIGH AS 35 TO 40 MPH BETWEEN 630 AND 730 PM SATURDAY EVENING. THE LOW PRESSURE SYSTEM IS EXPECTED TO CONTINUE TO DEEPEN AND MOVE SLOWLY NORTHWARD DURING THE NIGHT. STRONG WIND GUSTS FROM THE EAST AND SOUTHEAST CAN BE EXPECTED TO CONTINUE FOR THE NEXT SEVERAL HOURS...ESPECIALLY WITH ANY THUNDERSTORMS THAT MAY MOVE THROUGH. THE WIND WILL GRADUALLY BECOME SOUTHERLY AFTER MIDNIGHT AND FINALLY SWITCH TO THE WEST ON SUNDAY.
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, 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, 1:20 AM CST | Flash Flood Warning | JAN | Marion | 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.