Alert archive / Mississippi / Flash Flood Warnings in 1997

Flash Flood Warning 32, NWS Jackson, MS

June 23, 1997Jasper County, Mississippi

NWS Jackson, MS issued this flash flood warning at Jun 23, 1997, 2:30 PM CDT for Jasper 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 23, 1997, 2:30 PM CDT (19:30 UTC)
Expired: Jun 23, 1997, 4:30 PM CDT
In force: 2 hr
Issued by: NWS Jackson, MS
Area: Whole counties

County Jasper County, MS

The nearest sounding before it

Jackson, MS (KJAN), launched 12:00Z, 7.5 hours before the alert went out and 96 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 2025 J/kg
Mixed-layer CIN: -38 J/kg
Mixed-layer LCL: 1030 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: -3 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 231933 COR
FFWJAN
MSC061-232130-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING ...CORRECTED...
NATIONAL WEATHER SERVICE JACKSON MS
230 PM CDT MON JUN 23 1997

THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL  430 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...

IN EAST CENTRAL MISSISSIPPI

   ...JASPER COUNTY

A SEVERE THUNDERSTORM CONTINUES OVER WESTERN JASPER COUNTY BETWEEN LOUIN
AND BAY SPRINGS MOVING SOUTH NEAR 15 MPH.

DOPPLER RADAR RAINFALL ESTIMATES INDICATE BETWEEN 1 AND 3 INCHES OF RAIN
EHOUR. ADDITIONAL RAINFALL WILL LIKELY PRODUCE LOCALIZED
FLOODING...PONDING OF WATER... AND AGGRAVATE RUNOFF CONDITIONS. MOTORIST
SHOULD EXCERCISE CAUTION ANXD AVOID FLOODED ROADWAYS AND BRIDGES.

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.
<


68

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 23, 10:00 AM CDT, 4 hours 30 minutes before

ARZ074-075-LAZ007>009-015-016-023>026-MSZ018-019-025>029-032>066-072>
074-240400-

AREA THUNDERSTORM OUTLOOK
NATIONAL WEATHER SERVICE JACKSON MS
1000 AM CDT MON JUN 23 1997

ISOLATED THUNDERSTORMS WILL DEVELOP THIS AFTERNOON...WITH ACTIVITY BEING
A LITTLE MORE NUMEROUS IN THE SOUTHEAST. THE THUNDERSTORMS ARE EXPECTED
TO REMAIN BELOW SEVERE LIMITS...BUT A FEW OF THE STORMS COULD PRODUCE
SOME LOCALLY HEAVY RAINFALL AND GUSTY WINDS.

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

Special weather statement, Jun 23, 10:02 AM CDT, 4 hours 28 minutes before

ARZ074-075-LAZ007>009-015-016-023>026-MSZ018-019-025>029-032>066-072>
074-240400-

AREA THUNDERSTORM OUTLOOK
NATIONAL WEATHER SERVICE JACKSON MS
1000 AM CDT MON JUN 23 1997

ISOLATED THUNDERSTORMS WILL DEVELOP THIS AFTERNOON...WITH ACTIVITY BEING
A LITTLE MORE NUMEROUS IN THE SOUTHEAST. THE THUNDERSTORMS ARE EXPECTED
TO REMAIN BELOW SEVERE LIMITS...BUT A FEW OF THE STORMS COULD PRODUCE
SOME LOCALLY HEAVY RAINFALL AND GUSTY WINDS.

ACTIVATION OF EMvERGENCY 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.

Issued	Product	Office	Counties	Lasted
Jun 23, 1:11 PM CDT	Severe Thunderstorm Warning	JAN	Clarke	49 min
Jun 23, 2:06 PM CDT	Severe Thunderstorm Warning	JAN	Jasper	54 min
Jun 23, 2:47 PM CDT	Severe Thunderstorm Warning	JAN	Covington, Smith	43 min
Jun 23, 2:58 PM CDT	Severe Thunderstorm Warning	JAN	Kemper	62 min
Jun 23, 3:05 PM CDT	Severe Thunderstorm Warning	JAN	Simpson	40 min
Jun 23, 5:11 PM CDT	Severe Thunderstorm Warning	JAN	Webster	49 min

Nearby

Flash Flood Warnings in Mississippi, 1997 Every 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.