Alert archive / Mississippi / Flash Flood Warnings in 1997

Flash Flood Warning 33, NWS Jackson, MS

June 25, 1997Jefferson Davis County, Marion County, Mississippi

NWS Jackson, MS issued this flash flood warning at Jun 25, 1997, 11:10 AM CDT for Jefferson Davis County, Marion County, 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
Jun 25, 1997, 11:10 AM CDT (16:10 UTC)
Expired
Jun 25, 1997, 1:15 PM CDT
In force
2 hr
Issued by
NWS Jackson, MS
Area
Whole counties

Counties Jefferson Davis County, MS, Marion County, MS

The nearest sounding before it

Jackson, MS (KJAN), launched 12:00Z, 4.2 hours before the alert went out and 105 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 1997-06-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 739 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Jackson, MS at 12:00Z on 1997-06-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -12 square meters per square second.1939Sfc1 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
739 J/kg
Mixed-layer CIN
-11 J/kg
Mixed-layer LCL
487 m above ground
0-6 km bulk shear
3 kt
0-1 km storm-relative helicity
-12 m²/s²
0-3 km storm-relative helicity
13 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 251611
FFWJAN
MSC065-091-251815-
 
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE JACKSON MS
1110 AM CDT WED JUN 25 1997
 
THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL  115 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN SOUTH CENTRAL MISSISSIPPI
 
   ...JEFFERSON DAVIS COUNTY...MARION COUNTY
 
AT 1105 AM RADAR INDICATES THUNDERSTORMS WITH HEAVY RAINS ACROSS
NORTHERN MARION AND JEFFERSON DAVIS COUNTIES. THE STORMS ARE MOVING
NORTH AT 15 MILES AN HOUR. RADAR ESTIMATES INDICATE THAT TWO INCHES OF
RAIN AS FALLEN DURING THE PAST HOUR. SOME STREET FLOODING HAS BEEN
REPORTED IN EASTERN MARION COUNTY.
 
MORE SHOWERS AND STORMS WILL BE MOVING OVER THE REGION THROUGH 1 PM.
THIS WILL CAUSE SOME ADDITIONAL RUNOFF AND FLOODING OF STREETS AND LOW
AREAS.
 
MOST FLASH FLOOD DEATHS OCCUR IN AUTOMOBILES.  DO NOT ATTEMPT
TO CROSS BRIDGES OR LOW SPOTS IF WATER COVERS THE ROAD.  NEVER
TRY TO CROSS A FLOWING STREAM...EVEN A SMALL ONE...ON FOOT.
<
69
 
 
&

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, Jun 25, 9:59 AM CDT, 1 hour 11 minutes before
ARZ074-075-LAZ007>009-015-016-023>026-MSZ018-019-025>029-032>066-072>
074-250400-

AREA THUNDERSTORM OUTLOOK
NATIONAL WEATHER SERVICE JACKSON MS
1000 AM CDT WED JUN 25 1997

THUNDERSTORMS WILL CONTINUE TO DEVELOP THIS AFTERNOON THROUGH TONIGHT
...AS A WEAK AREA OF LOW PRESSURE ALOFT MOVES OVER THE REGION. ALSO
THE STORMS WILL BE MORE NUMEROUS OVER THE CENTRAL AND SOUTH...WHERE
DAYTIME HEATING WILL INTERACT WITH THE SEABREEZE AND OTHER BOUNDARIES.
THE THUNDERSTORMS ARE EXPECTED TO REMAIN BELOW SEVERE LIMITS...BUT LOCALLY
HEAVY RAINS AND GUSTY WINDS ARE EXPECTED OVER THE CENTRAL AND SOUTH.

ACTIVATION OF EMERGENCY MANAGEMENT PERSONNEL...HAM RADIO OPERATORS
...AND STORM SPOTTERS IS NOT ANTICIPA@TED THIS AFTERNOON OR TONIGHT.
Special weather statement, Jun 25, 10:00 AM CDT, 1 hour 10 minutes before
ARZ074-075-LAZ007>009-015-016-023>026-MSZ018-019-025>029-032>066-072>
074-250400-

AREA THUNDERSTORM OUTLOOK
NATIONAL WEATHER SERVICE JACKSON MS
1000 AM CDT WED JUN 25 1997

THUNDERSTORMS WILL CONTINUE TO DEVELOP THIS AFTERNOON THROUGH TONIGHT
...AS A WEAK AREA OF LOW PRESSURE ALOFT MOVES OVER THE REGION. ALSO
THE STORMS WILL BE MORE NUMEROUS OVER THE CENTRAL AND SOUTH...WHERE
DAYTIME HEATING WILL INTERACT WITH THE SEABREEZE AND OTHER BOUNDARIES.
THE THUNDERSTORMS ARE EXPECTED TO REMAIN BELOW SEVERE LIMITS...BUT LOCALLY
HEAVY RAINS AND GUSTY WINDS ARE EXPECTED OVER THE CENTRAL AND SOUTH.

ACTIVATION OF EMERGENCY MANAGEMENT PERSONNEL...HAM RADIO OPERATORS
...AND STORM SPOTTERS IS NOT ANTICIPATED THIS AFTERNOON OR TONIGHT.

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 25, 11:42 AM CDTFlash Flood WarningJANNewton, Scott2 hr
Jun 25, 4:26 PM CDTFlash Flood WarningJANAdams4 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.