Alert archive / Mississippi / Flash Flood Warnings in 1998
Flash Flood Warning 15, NWS Jackson, MS
NWS Jackson, MS issued this flash flood warning at Mar 7, 1998, 7:41 PM CST for 4 counties in Mississippi. It was in force for 2 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, 7:41 PM CST (01:41 UTC)
- Expired
- Mar 7, 1998, 9:45 PM CST
- In force
- 2 hr
- Issued by
- NWS Jackson, MS
- Area
- Whole counties
Counties Jefferson Davis County, MS, Lawrence County, MS, Simpson County, MS, Smith County, MS
The nearest sounding before it
Jackson, MS (KJAN), launched 00:00Z, 1.7 hours before the alert went out and 66 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 572 m above ground
- 0-6 km bulk shear
- 71 kt
- 0-1 km storm-relative helicity
- 109 m²/s²
- 0-3 km storm-relative helicity
- 376 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 080143 FFWJAN MSC127-129-065-077-080345- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE JACKSON MS 741 PM CST SAT MAR 7 1998 THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A FLASH FLOOD WARNING EFFECTIVE UNTIL 945 PM CST FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN CENTRAL MISSISSIPPI ...SIMPSON COUNTY...SMITH COUNTY IN SOUTH CENTRAL MISSISSIPPI ...JEFFERSON DAVIS COUNTY...LAWRENCE COUNTY AT 740 PM DOPPLER RADAR INDICATED HEAVY RAIN OVER SOUTH CENTRAL MISSISSIPPI. REPORTS HAVE BEEN RECEIVED FROM MAGEE THAT MILL CREEK IS NEAR BANKFULL AND MAY OVERFLOW. THE RAIN MAY TAPER OFF BY 9 PM...BUT RUNOFF WILL NOT BE COMPLETE FOR SEVERAL MORE HOURS. IN ADDITION...MORE THUNDERSTORMS MAY DEVELOP AND MOVE OVER 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 ESCAP(E FLOOD WATERS. <
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, 47 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, 47 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, 7 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, 7 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, 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, 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.