Alert archive / Mississippi / Flash Flood Warnings in 1995

Flash Flood Warning 18, NWS New Orleans, LA

April 22, 1995Harrison County, Mississippi

NWS New Orleans, LA issued this flash flood warning at Apr 22, 1995, 7:23 PM CDT for Harrison County, Mississippi. It was in force for 3 hr.

The area

The counties it named.

The facts

Issued: Apr 22, 1995, 7:23 PM CDT (00:23 UTC)
Expired: Apr 22, 1995, 10:30 PM CDT
In force: 3 hr
Issued by: NWS New Orleans, LA
Area: Whole counties

County Harrison County, MS

The nearest sounding before it

Slidell Radar S, LA (KSIL), launched 00:00Z, 0.4 hours before the alert went out and 62 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: 648 J/kg
Mixed-layer CIN: -19 J/kg
Mixed-layer LCL: 517 m above ground
0-6 km bulk shear: 44 kt
0-1 km storm-relative helicity: 178 m²/s²
0-3 km storm-relative helicity: 243 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 3.5

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KNEW 230024
FFWNEW
MSC047-230330-
 
BULLETIN - EBS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE NEW ORLEANS LA
723 PM CDT SAT APR 22 1995
 
THE NATIONAL WEATHER SERVICE IN NEW ORLEANS HAS ISSUED A
FLASH FLOOD WARNING    EFFECTIVE UNTIL 1030 PM CDT
FOR RESIDENTS IN THE FOLLOWING LOCATION...
 
IN SOUTH MISSISSIPPI
 
   ...WESTERN HARRISON COUNTY
 
AT 720 PM CDT THE NATIONAL WEATHER SERVICE DROPPLE RADAR INDICATED THAT
ABOUT THREE TO THREE AND ONE-HALF INCHES OF RAIN HAS FALLEN DURING THE
PAST HOUR IN THE AREA NORTH OF I-10 IN WESTERN HARRISON...MAINLY WEST OF
THE WOLF RIVER. RESIDENTS CAN EXPECT AN ADDITIONAL ONE TO TWO INCHES OF
RAIN IN THE NEXT HOUR.
 
A FLASH FLOOD WARNING MEANS THAT FLOODING IS OCCURRING OR IS
IMMINENT.  MOST FLASH FLOOD DEATHS OCCUR IN AUTOMOBILES.  DO NOT
ATTEMPT TO CROSS BRIDGES...DIPS...OR LOW SPOTS IF WATER COVERS
THE ROADWAY.  NEVER TRY TO CROSS A FLOWING STREAM...EVEN A SMALL
ONE...ON FOOT.  TO ESCAPE` RISING WATER MOVE UP TO HIGHER GROUND.

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, Apr 22, 4:13 PM CDT, 3 hours 10 minutes before

LAZ029-033-222300-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BATON ROUGE LA
415 PM CDT SAT APR 22 1995

...TORNADO WATCH IN EFFECT UNTIL 9 PM CDT FOR AVOYELLES AND ST LANDRY
PARISHES OF EAST CENTRAL LOUISIANA...

AT 410 PM CDT RADAR SHOWED SHOWERS AND STRONG THUNDERSTORMS FROM LEBEAU
AND MELVILLE EXTENDING NORTH ACROSS BUNKIE AND SIMMESPORT TO ALEXANDRIA
AND NATCHEZ MISSISSIPPI.  MOVEMENT WAS EAST AT 20 MPH.

ELSEWHERE STRONG THUNDERSTORMS WERE SHOWN FROM ANGOLA AND LIVONIA EAST
ACROSS CLINTON AND BATON ROUGE TO BOGALUSA AND COVINGTON AND FROM
WOODVILLE TO MCCOMB MISSISSIPPI.

PEOPLE IN THE MENTIONED PARISHES SHOULD REMAIN ALERT AND LISTEN TO
NOAA WEATHER RADIO FOR LATEST STATEM0ENTS OR POSSIBLE WARNINGS.

Special weather statement, Apr 22, 5:46 PM CDT, 1 hour 37 minutes before

LAZ029-033-230100-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BATON ROUGE LA
545 PM CDT SAT APR 22 1995

...TORNADO WATCH IN EFFECT UNTIL 9 PM CDT TONIGHT FOR EAST CENTRAL
LOUISIANA...

AT 640 PM CDT RADAR SHOWED SHOWERS AND STRONG THUNDERSTORMS FROM EUNICE
AND BUNKIE EXTENDING EAST ACROSS ANGOLA AND LIVONIA TO KENTWOOD...
GREENSBURG AND DENHAM SPRINGS AND FROM LECOMPTE AND MEEKER TO LARTO.
MOVEMENT WAS EAST AT 20 MPH.

ELSEWHERE STRONG THUNDERSTORMS WERE SHOWN OVER MISSISSIPPI FROM
WOODVILLE TO BROOKHAVEN AND MCCOMB.

PEOPLE IN THE MENTIONED PARISHES SHOULD REMAIN ALERT AND LISTEN TO
NOAA WEATHER RADIO FOR LATEST STATEMENTS OR POSSIBLE WARNINGS.

The office that day

Everything else NWS New Orleans, LA issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Apr 22, 7:11 PM CDT	Tornado Warning	LIX	Pike, Walthall	44 min
Apr 22, 11:33 PM CDT	Severe Thunderstorm Warning	LIX	Wilkinson	57 min
Apr 23, 12:29 AM CDT	Severe Thunderstorm Warning	LIX	Amite, Wilkinson	51 min
Apr 23, 6:27 AM CDT	Severe Thunderstorm Warning	LIX	Hancock, Harrison, Jackson	2 hr
Apr 23, 12:49 PM CDT	Tornado Warning	LIX	Harrison	26 min
Apr 23, 1:23 PM CDT	Tornado Warning	LIX	Harrison	67 min
Apr 23, 1:32 PM CDT	Tornado Warning	LIX	Harrison	94 min
Apr 23, 1:32 PM CDT	Tornado Warning	LIX	Jackson	118 min

Nearby

Flash Flood Warnings in Mississippi, 1995 Every flash flood warning in 1995

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.