Alert archive / Mississippi / Flash Flood Warnings in 1997

Flash Flood Warning 26, NWS Jackson, MS

June 18, 1997Marion County, Mississippi

NWS Jackson, MS issued this flash flood warning at Jun 18, 1997, 4:48 AM CDT 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
Jun 18, 1997, 4:48 AM CDT (09:48 UTC)
Expired
Jun 18, 1997, 8:00 AM CDT
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, 9.8 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.

Skew-T log-pSkew-T log-p diagram, Slidell Radar S, LA at 00:00Z on 1997-06-18Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 24 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Slidell Radar S, LA at 00:00Z on 1997-06-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 14 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
24 J/kg
Mixed-layer CIN
-314 J/kg
Mixed-layer LCL
975 m above ground
0-6 km bulk shear
44 kt
0-1 km storm-relative helicity
14 m²/s²
0-3 km storm-relative helicity
126 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.8

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KJAN 180950
FFWJAN
MSC091-181300-
 
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE JACKSON MS
448 AM CDT WED JUN 18 1997
 
THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL  800 AM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN SOUTH CENTRAL MISSISSIPPI
 
   ...NORTHERN AND CENTRAL MARION COUNTY
 
AT 447 AM WEATHER SERVICE RADAR INDICATED A BAND OF SLOW MOVING
THUNDERSTORMS OVER NORTH CENTRAL MARION COUNTY. RADAR IS
INDICATING UP TO 2 INCHES OF RAIN HAS FALLEN OVER NORTHCENTRAL
MARION COUNTY IN THE PAST HOUR BETWEEN COLUMBIA AND MORGANTOWN.
AN ADDITIONAL INCH OF RAIN MAY FALL THROUGH 6 AM.
 
MINOR FLOODING HAS BEEN REPORTED IN THE COLUMBIA AREA...INCLUDING
WATER IN SOME BUSINESSES.  THE CURRENT HEAVY RAINFALL...AND ADDITIONAL
RAINFALL EXPECTED THROUGH 6 AM...WILL RESULT IN FLOODING OF LOW LYING
AREAS AND AREAS WITH POOR DRAINAGE.  THE RAINFALL MAY CAUSE SMALL CREEKS
TO OVERvRUN THEIR BANKS.
 
 
 
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.
<
 
 
63

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 18, 5:33 AM CDTFlash Flood WarningJANForrest, Lamar2 hr
Jun 18, 8:40 AM CDTFlash Flood WarningJANMarion3 hr

Nearby

Flash Flood Warnings in Mississippi, 1997Every flash flood warning in 1997

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.