Alert archive / Mississippi / Flash Flood Warnings in 1998

Flash Flood Warning 5, NWS Jackson, MS

January 7, 19984 counties in Mississippi

NWS Jackson, MS issued this flash flood warning at Jan 7, 1998, 8:54 AM CST for 4 counties in 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
Jan 7, 1998, 8:54 AM CST (14:54 UTC)
Expired
Jan 7, 1998, 12:00 PM CST
In force
3 hr
Issued by
NWS Jackson, MS
Area
Whole counties

Counties Kemper County, MS, Lauderdale County, MS, Neshoba County, MS, Newton County, MS

The nearest sounding before it

Jackson, MS (KJAN), launched 12:00Z, 2.9 hours before the alert went out and 116 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.

Skew-T log-pSkew-T log-p diagram, Jackson, MS at 12:00Z on 1998-01-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCLEL10008507005003002001001 km2 km3 km6 km9 km12 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Jackson, MS at 12:00Z on 1998-01-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 294 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
588 m above ground
0-6 km bulk shear
38 kt
0-1 km storm-relative helicity
294 m²/s²
0-3 km storm-relative helicity
272 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
TTAA00 KJAN 071458
FFWJAN
MSC069-075-099-101-071800-
 
BULLETIN - EAS ACTIVATION REQUESTED
FLOOD WARNING
NATIONAL WEATHER SERVICE JACKSON MS
854 AM CST WED JAN 7 1998
 
THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A
FLOOD WARNING EFFECTIVE UNTIL NOON CST
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN EAST CENTRAL MISSISSIPPI
 
   ...KEMPER COUNTY...LAUDERDALE COUNTY...NESHOBA COUNTY
   ...NEWTON COUNTY
 
RAINFALL ESTIMATES FROM RADAR INDICATE THAT OVER 3 INCHES OF RAIN HAS
FALLEN OVERNIGHT.
 
AT 845 AM LAUDERDALE COUNTY CIVIL DEFENSE REPORTED WIDESPREAD FLOODING
OF ROADS AND DRAINAGE DITCHES. WATER ON ROADS AS DEEP AS SEVEN INCHES
AND SOME DRAINAGE DITCHES UP TO 8 FEET DEEP.
 
ALSO...RISING WATER ON ROADS HAS BEEN REPORTED BY CIVIL DEFENSE AND
SHERRIFS OFFICE IN NESHOBA AND KEMPER COUNTIES.
 
WITH THE WATER STILL SLOWLY RISING...FLOODING CONDITIONS WILL CONTINUE
THROUGH THIS MORNING.
 
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 CAUGHT IN RISING WATER MUST BE ABANDONED QUICKLY.
 
 
 
&

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, Jan 7, 7:10 AM CST, 1 hour 44 minutes before
MSZ074>-071400-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSON MS
710 AM CST WED JAN 7 1998

...TORNADO WATCH NUMBER 2 CANCELLED FOR FORREST COUNTY...

THE RAIN AND THUNDERSTORMS ACROSS SOUTHEAST MISSISSIPPI HAVE MOVED EAST
OF THE LOCAL AREA AND THE THREAT FOR SEVERE WEATHER HAS ENDED IN
FORREST COUNTY.
Special weather statement, Jan 7, 7:10 AM CST, 1 hour 44 minutes before
MSZ074>-071400-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSON MS
710 AM CST WED JAN 7 1998

...TORNADO WATCH NUMBER 2 CANCELLED FOR FORREST COUNTY...

THE RAIN AND THUNDERSTORMS ACROSS SOUTHEAST MISSISSIPPI HAVE MOVED EAST
OF THE LOCAL AREA AND THE THREAT FOR SEVERE WEATHER HAS ENDED IN
FORREST COUNTY.

The office that day

Everything else NWS Jackson, MS issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jan 7, 2:30 AM CSTFlash Flood WarningJANForrest, Lamar, Marion4 hr
Jan 7, 4:00 AM CSTSevere Thunderstorm WarningJANForrest30 min
Jan 7, 4:27 AM CSTFlash Flood WarningJANClarke, Jasper, Lauderdale3 hr
Jan 7, 4:27 AM CSTFlash Flood WarningJANJones3 hr
Jan 7, 5:19 AM CSTSevere Thunderstorm WarningJANJones41 min
Jan 7, 7:37 AM CSTFlash Flood WarningJANLauderdale83 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.