Alert archive / Mississippi / Flash Flood Warnings in 1998

Flash Flood Warning 4, NWS Jackson, MS

January 7, 1998Lauderdale County, Mississippi

NWS Jackson, MS issued this flash flood warning at Jan 7, 1998, 7:37 AM CST for Lauderdale County, Mississippi. It was in force for 83 min. 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, 7:37 AM CST (13:37 UTC)
Expired
Jan 7, 1998, 9:00 AM CST
In force
83 min
Issued by
NWS Jackson, MS
Area
Whole counties

County Lauderdale County, MS

The nearest sounding before it

Jackson, MS (KJAN), launched 12:00Z, 1.6 hours before the alert went out and 134 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 071342
FFWJAN
MSC075-071500-
 
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE JACKSON MS
737 AM CST WED JAN 7 1998
 
THE NATIONAL WEATHER SERVICE IN JACKSON HAS EXTENDED THE
FLASH FLOOD WARNING EFFECTIVE UNTIL  900 AM CST
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN EAST CENTRAL MISSISSIPPI
 
   ...LAUDERDALE COUNTY
 
AT 735 AM MODERATE TO HEAVY RAINS CONTINUED OVER MUCH OF THE COUNTY
BUT WERE BEGINNING TO DIMINISH FROM THE SOUTHWEST. RAINFALL TOTALS OF
4 TO 5 INCHES HAVE BEEN REPORTED SINCE MIDNIGHT.  RUNOFF FROM THESE
RAINS WILL CONTINUE THROUGH MID MORNING AND THE WARNING IS EXTENDED
ON THAT BASIS.   THE RAINS SHOULD END COMPLETELY BETWEEN 800 AND 900
OCLOCK.
 
RESIDENTS NEAR SOWASHEE CREEK SHOULD ALSO REMAIN ALERT TO ADDITIONAL
STREAMBED FLOODING. MANY ROADS WERE UNDER WATER IN THE COUNTY.
 
A FLASH FLOOD WARNING MEANS THAT FLOODING IS OCCURRING OR IS
IMMINENT.  DO NOT STAY IN AREAS SUBJECT TO FLASH FLOODING WHEN
WATER BEGINS RISING.  MOVE TO HIGHER GROUND.
<
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, Jan 7, 7:10 AM CST, 27 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, 27 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, 8:54 AM CSTFlash Flood WarningJANKemper, Lauderdale, Neshoba, Newton3 hr

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.