Alert archive / Mississippi / Flash Flood Warnings in 1995

Flash Flood Warning 13, NWS New Orleans, LA

April 11, 1995Amite County, Mississippi

NWS New Orleans, LA issued this flash flood warning at Apr 11, 1995, 8:25 AM CDT for Amite County, Mississippi. It was in force for 4 hr.

The area

The counties it named.

The facts

Issued: Apr 11, 1995, 8:25 AM CDT (13:25 UTC)
Expired: Apr 11, 1995, 12:00 PM CDT
In force: 4 hr
Issued by: NWS New Orleans, LA
Area: Whole counties

County Amite County, MS

The nearest sounding before it

Jackson, MS (KJAN), launched 12:00Z, 1.4 hours before the alert went out and 145 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 1604 m above ground
0-6 km bulk shear: 48 kt
0-1 km storm-relative helicity: 201 m²/s²
0-3 km storm-relative helicity: 415 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 KNEW 111322
FFWNEW
MSC005-LAC033-037-077-121-111700-

BULLETIN - EBS ACTIVATION REQUESTED
FLASH FLOOD WARNING...CORRECTED TO ADD EAST FELICIANA AND AMITE
NATIONAL WEATHER SERVICE NEW ORLEANS LA
825 AM CDT TUE APR 11 1995

THE NATIONAL WEATHER SERVICE IN NEW ORLEANS HAS ISSUED A
FLASH FLOOD WARNING    EFFECTIVE UNTIL  1200 PM CDT
FOR RESIDENTS IN THE FOLLOWING LOCATIONS...

IN SOUTHEAST LOUISIANA

   ...EAST BATON ROUGE PARISH...POINTE COUPEE PARISH
   ...WEST BATON ROUGE PARISH...EAST FELICIANA PARISH

IN SOUTH MISSISSIPPI

   ...AMITE COUNTY

AT 815 AM CDT NATIONAL WEATHER SERVICE RADAR AND PUBLIC REPORTS
INDICATE THAT THE HEAVY RAINS HAVE DIMINISHED. RAINFALL AMOUNTS HAVE
EXCEEDED 5 INCHES OVER THE AREAS RESULTING IN CONSIDERABLE FLOODING
OF LOW LYING AREAS AND STREETS.

ALTHOUGH THE HEAVY RAINFALL HAS ENDED ROADWAYS...UNDERPASSES AND LOW
LYING AREAS WILL REMAIM FLOODED FOR THE NEXT 3 TO 4 HOURS.  DRAINAGE
FROM THESE AREAS WILL FURTHER CONTRIBUTE TO KEEP STREAMS AND BAYOUS
UP TO THEIR BANKS.

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.

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 10, 10:28 PM CDT	Severe Thunderstorm Warning	LIX	Harrison, Jackson	62 min
Apr 11, 2:09 AM CDT	Severe Thunderstorm Warning	LIX	Wilkinson	66 min
Apr 11, 2:56 AM CDT	Tornado Warning	LIX	Wilkinson	64 min
Apr 11, 2:56 AM CDT	Tornado Warning	LIX	Amite	64 min
Apr 11, 4:01 AM CDT	Tornado Warning	LIX	Amite, Pike	59 min
Apr 11, 4:25 AM CDT	Flash Flood Warning	LIX	Amite	4 hr
Apr 11, 4:46 AM CDT	Tornado Warning	LIX	Pike, Walthall	59 min
Apr 11, 5:10 AM CDT	Severe Thunderstorm Warning	LIX	Walthall	65 min
Apr 11, 5:44 AM CDT	Flash Flood Warning	LIX	Pike	4 hr
Apr 11, 6:31 AM CDT	Severe Thunderstorm Warning	LIX	Pearl River	59 min
Apr 11, 10:32 AM CDT	Flash Flood Warning	LIX	Hancock, Harrison	3 hr
Apr 11, 10:32 AM CDT	Flash Flood Warning	LIX	Jackson	3 hr

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.