Alert archive / Louisiana / Flash Flood Warnings in 1994

Flash Flood Warning 2, NWS New Orleans, LA

January 27, 1994West Feliciana Parish, Louisiana

NWS New Orleans, LA issued this flash flood warning at Jan 27, 1994, 10:17 AM CST for West Feliciana Parish, Louisiana. It was in force for 93 min.

The area

The counties it named.

The facts

Issued
Jan 27, 1994, 10:17 AM CST (16:17 UTC)
Expired
Jan 27, 1994, 11:50 AM CST
In force
93 min
Issued by
NWS New Orleans, LA
Area
Whole counties

County West Feliciana Parish, LA

The nearest sounding before it

Slidell Radar S, LA (KSIL), launched 12:00Z, 4.3 hours before the alert went out and 179 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, Slidell Radar S, LA at 12:00Z on 1994-01-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 234 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Slidell Radar S, LA at 12:00Z on 1994-01-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 306 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
234 J/kg
Mixed-layer CIN
-65 J/kg
Mixed-layer LCL
531 m above ground
0-6 km bulk shear
60 kt
0-1 km storm-relative helicity
306 m²/s²
0-3 km storm-relative helicity
385 m²/s²
Significant tornado parameter
0.0
Supercell composite
2.1

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KBTR 271616
FFWBTR
LAC037-091-125-272015-
 
BULLETIN - EBS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE BATON ROUGE LA
1017 AM CST THU JAN 27 1994
 
THE NATIONAL WEATHER SERVICE IN BATON ROUGE HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL  215 PM CST
FOR PEOPLE IN THE FOLLOWING LOCATIONS...S...
 
IN EAST CENTRAL LOUISIANA
 
   ...EAST FELICIANA PARISH...NORTHERN ST.HELENA PARISH
   ...NORTHERN WEST FELICIANA PARISH
 
RADAR INDICATES AN AREA OF STRONG THUNDERSTORMS ACROSS THE ABOVE
MENTIONED PARISHES. MOVEMENT WAS TO THE EAST AROUND 35 MPH.
 
 
A FLASH FLOOD WARNING MEANS THAT FLOODING IS OCCURRING OR IS
IMMINENT.  MOST FLASH FLOOD DEATHS OCCUR IN AUTOMOBILES.  DO NOT
ATTEMPT TO C~ROSS 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, Jan 27, 7:31 AM CST, 2 hours 46 minutes before
LAZ038>040-045-053>070-LAZ502-LAZ501-ALZ501-271435-

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE NEW ORLEANS LA
731 AM CST THU JAN 27 1994

...A FLASH FLOOD WATCH IS IN EFFECT FOR THE PORTION OF SOUTHEAST LOUISIANA
   NORTH OF A LINE FROM LAFAYETTE TO BOGALUSA...

WIDELY SCATTERED STRONG THUNDERSTORMS WITH HEAVY RAINFALL CONTINUED OVER
SOUTHEAST LOUISIANA. THE THUNDERSTORMS WERE INCLUDED IN LIGHT RAIN WHICH
EXTENDED FROM NEAR LAFAYETTE TO NEAR GRAND ISLE LOUISIANA AND NORTHEAST INTO
THE COASTAL WATERS EAST OF THE MISSISIPPI RIVER TO THE MISSISIPPI COAST.
THE LIGHT RAIN EXTENDED NORTH OVER REST OF SOUTHEAST LOUISIANA AND INTO
MOST OF SOUTH MISSISSIPPI.

THE STRONGEST THUNDERSTORMS WERE MAINLY 15 TO 20 MILES NORTH OF HAMMOND.THE
STRONGEST THUNDERSTORMS COULD PRODUCE STRONG GUSTY WINDS...DANGEROUS
LIGHTNING...HEAVY RAINFALL AND POSSIBLY SMALL HAIL AS THEY NORTHEAST AT 45
MILES AN HOUR.
Special weather statement, Jan 27, 7:31 AM CST, 2 hours 46 minutes before
LAZ038>040-045-053>070-LAZ502-LAZ501-ALZ501-271435-

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE NEW ORLEANS LA
731 AM CST THU JAN 27 1994

...A FLASH FLOOD WATCH IS IN EFFECT FOR THE PORTION OF SOUTHEAST LOUISIANA
   NORTH OF A LINE FROM LAFAYETTE TO BOGALUSA...

WIDELY SCATTERED STRONG THUNDERSTORMS WITH HEAVY RAINFALL CONTINUED OVER
SOUTHEAST LOUISIANA. THE THUNDERSTORMS WERE INCLUDED IN LIGHT RAIN WHICH
EXTENDED FROM NEAR LAFAYETTE TO NEAR GRAND ISLE LOUISIANA AND NORTHEAST INTO
THE COASTAL WATERS EAST OF THE MISSISIPPI RIVER TO THE MISSISIPPI COAST.
THE LIGHT RAIN EXTENDED NORTH OVER REST OF SOUTHEAST LOUISIANA AND INTO
MOST OF SOUTH MISSISSIPPI.

THE STRONGEST THUNDERSTORMS WERE MAINLY 15 TO 20 MILES NORTH OF HAMMOND.THE
STRONGEST THUNDERSTORMS COULD PRODUCE STRONG GUSTY WINDS...DANGEROUS
LIGHTNING...HEAVY RAINFALL AND POSSIBLY SMALL HAIL AS THEY NORTHEAST AT 45
MILES AN HOUR.
Special weather statement, Jan 27, 8:35 AM CST, 1 hour 42 minutes before
LAZ038>040-045-053>070-LAZ502-LAZ501-ALZ501-271535-

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE NEW ORLEANS LA
835 AM CST THU JAN 27 1994

...A FLASH FLOOD WATCH IS IN EFFECT FOR THE PORTION OF SOUTHEAST LOUISIANA
   NORTH OF A LINE FROM LAFAYETTE TO BOGALUSA...

SEVERAL CLUSTERS OF THUNDERSTORMS WERE EMBEDDED IN A WIDESPREAD AREA OF
LIGHT RAIN. THE MOST SIGNIFICANT WAS A CLUSTER OF THUNDERSTORMS FROM
40 MILES NORTHEAST OF MCCOMB MISSISSIPPI TO 40 MILES SOUTHWEST OF IT.
ANOTHER CLUSTER EXTENDED FROM OCEAN SPRINGS MISSISSIPPI SOUTHWEST TO 10 MILES
NORTHWEST OF PORT SULPHUR LOUISIANA. THERE WAS A CLUSTER OF THUNDERSTORMS
FROM HAMMOND NORTHEASTWARD 30 MILES. THE STRONGEST STORMS WERE 30 MILES
SOUTHWEST OF MCCOMB AND 10 MILES NORTH OF HAMMOND.

MOVEMENT WAS NORTHEAST AT 45 MILES AN HOUR.
Special weather statement, Jan 27, 8:53 AM CST, 1 hour 24 minutes before
LAZ038>040-045-053>070-LAZ502-LAZ501-ALZ501-271535-

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE NEW ORLEANS LA
835 AM CST THU JAN 27 1994

...A FLASH FLOOD WATCH IS IN EFFECT FOR THE PORTION OF SOUTHEAST LOUISIANA
   NORTH OF A LINE FROM LAFAYETTE TO BOGALUSA...

SEVERAL CLUSTERS OF THUNDERSTORMS WERE EMBEDDED IN A WIDESPREAD AREA OF
LIGHT RAIN. THE MOST SIGNIFICANT WAS A CLUSTER OF THUNDERSTORMS FROM
40 MILES NORTHEAST OF MCCOMB MISSISSIPPI TO 40 MILES SOUTHWEST OF IT.
ANOTHER CLUSTER EXTENDED FROM OCEAN SPRINGS MISSISSIPPI SOUTHWEST TO 10 MILES
NORTHWEST OF PORT SULPHUR LOUISIANA. THERE WAS A CLUSTER OF THUNDERSTORMS
FROM HAMMOND NORTHEASTWARD 30 MILES. THE STRONGEST STORMS WERE 30 MILES
SOUTHWEST OF MCCOMB AND 10 MILES NORTH OF HAMMOND.

MOVEMENT WAS NORTHEAST AT 45 MILES AN HOUR.
Special weather statement, Jan 27, 9:35 AM CST, 42 minutes before
LAZ038>040-045-053>070-LAZ502-LAZ501-ALZ501-271635-

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE NEW ORLEANS LA
935 AM CST THU JAN 27 1994

...A FLASH FLOOD WATCH IS IN EFFECT FOR THE PORTION OF SOUTHEAST LOUISIANA
   NORTH OF A LINE FROM LAFAYETTE TO BOGALUSA...

A BAND OF STRONG THUNDERTORMS WITH VERY HEAVY RAIN WAS OCCURRING ABOUT
15 MILES NORTH OF BATON ROUGE LOUISIANA EXTENDING EAST TO NEAR TYLERTOWN
MISSISSIPPI.

THESE THUNDERSTORMS MAY PRODUCE STRONG GUSTY WINDS...FREQUENT LIGHTNING...
HEAVY RAIN AND POSSIBLY SOME SMALL HAIL.

OTHERWISE A LARGE AREA RAIN WITH EMBEDDED SHOWERS AND THUNDERSTORMS
CONTINUED OVER SOUTHEAST LOUISIANA BETWEEN OPELOUSAS AND BRETON SOUND
EXTENDING NORTH ACROSS MOST OF SOUTHERN MISSISSIPI AND SOUTHWEST ALABAMA.

THE THUNDERSTORMS WERE MOVING NORTHEAST 45 MILES AN HOUR.
Special weather statement, Jan 27, 9:41 AM CST, 36 minutes before
LAZ038>040-045-053>070-LAZ502-LAZ501-ALZ501-271635-

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE NEW ORLEANS LA
935 AM CST THU JAN 27 1994

...A FLASH FLOOD WATCH IS IN EFFECT FOR THE PORTION OF SOUTHEAST LOUISIANA
   NORTH OF A LINE FROM LAFAYETTE TO BOGALUSA...

A BAND OF STRONG THUNDERTORMS WITH VERY HEAVY RAIN WAS OCCURRING ABOUT
15 MILES NORTH OF BATON ROUGE LOUISIANA EXTENDING EAST TO NEAR TYLERTOWN
MISSISSIPPI.

THESE THUNDERSTORMS MAY PRODUCE STRONG GUSTY WINDS...FREQUENT LIGHTNING...
HEAVY RAIN AND POSSIBLY SOME SMALL HAIL.

OTHERWISE A LARGE AREA RAIN WITH EMBEDDED SHOWERS AND THUNDERSTORMS
CONTINUED OVER SOUTHEAST LOUISIANA BETWEEN OPELOUSAS AND BRETON SOUND
EXTENDING NORTH ACROSS MOST OF SOUTHERN MISSISSIPI AND SOUTHWEST ALABAMA.

THE THUNDERSTORMS WERE MOVING NORTHEAST 45 MILES AN HOUR.

The office that day

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

IssuedProductOfficeCountiesLasted
Jan 26, 11:02 PM CSTSevere Thunderstorm WarningLIXSaint Martin58 min
Jan 27, 12:07 AM CSTSevere Thunderstorm WarningLIXWest Baton Rouge68 min
Jan 27, 1:22 AM CSTSevere Thunderstorm WarningLIXSaint Martin53 min
Jan 27, 1:40 AM CSTSevere Thunderstorm WarningLIXIberia, Saint Martin65 min
Jan 27, 4:30 AM CSTSevere Thunderstorm WarningLIXSaint Tammany, Washington60 min
Jan 27, 10:17 AM CSTFlash Flood WarningLIXEast Feliciana, Saint Helena93 min
Jan 27, 4:00 PM CSTFlash Flood WarningLIXAvoyelles4 hr
Jan 27, 5:32 PM CSTFlash Flood WarningLIXEast Feliciana, Saint Helena, West Feliciana4 hr
Jan 27, 5:47 PM CSTSevere Thunderstorm WarningLIXEast Baton Rouge, East Feliciana, Saint Helena, West Baton Rouge58 min
Jan 27, 5:47 PM CSTSevere Thunderstorm WarningLIXIberville58 min

Nearby

Flash Flood Warnings in Louisiana, 1994Every flash flood warning in 1994

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.