Alert archive / Louisiana / Flash Flood Warnings in 1997

Flash Flood Warning 12, NWS Lake Charles, LA

June 10, 1997St. Mary Parish, Louisiana

NWS Lake Charles, LA issued this flash flood warning at Jun 10, 1997, 10:14 PM CDT for St. Mary Parish, Louisiana. 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 10, 1997, 10:14 PM CDT (03:14 UTC)
Expired: Jun 11, 1997, 12:15 AM CDT
In force: 2 hr
Issued by: NWS Lake Charles, LA
Area: Whole counties

County St. Mary Parish, LA

The nearest sounding before it

Lake Charles Mun, LA (KLCH), launched 00:00Z, 3.2 hours before the alert went out and 175 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: 617 J/kg
Mixed-layer CIN: -11 J/kg
Mixed-layer LCL: 1338 m above ground
0-6 km bulk shear: 14 kt
0-1 km storm-relative helicity: 3 m²/s²
0-3 km storm-relative helicity: 44 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 KLCH 110316
FFWLCH
LAC101-110515-
 
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE LAKE CHARLES LA
1014 PM CDT TUE JUN 10 1997
 
THE NATIONAL WEATHER SERVICE IN LAKE CHARLES HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL 1215 AM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN SOUTH CENTRAL LOUISIANA
 
   ...ST. MARY PARISH
 
AT 1015 PM DOPPLER RADAR INDICATED RAINFALL IN EXCESS OF 4 INCHES HAD
ALREADY FALLEN IN MUCH OF ST MARY PARISH AND HEAVY RAIN IS EXPECTED
TO CONTINUE UNTIL 11PM WITH UP TO 2 INCHES OF ADDITIONAL RAINFALL
EXPECTED. ST MARY SHERRIFF'S OFFICE REPORTS WATER RISING INTO AREAS
WHICH HAD PREVIOUS NEVER FLOODED.  SOME ROADS MAY BECOME IMPASSABLE
AND RESIDENCES MAY BE THREATENED BY RISING WATER...PARTICULARLY IN
THE CHARENTON...BALDWIN...AND FRANKLIN AREAS.
 
DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY.  THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO
CROSS SAFELY.  VEHICLES CAUGHT IN RISING WATER SHOULD BE
ABANDONED QUICKLY.  MOVE 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.

NWS Lake Charles, LA wrote its last area forecast discussion before this flash flood warning went out at Jun 10, 8:10 PM CDT, 2 hours 4 minutes earlier.

Area forecast discussion, Jun 10, 8:10 PM CDT, 2 hours 4 minutes before

SOUTHEAST TEXAS..SOUTHWEST AND CENTRAL LOUISIANA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE LAKE CHARLES LA
810 PM CDT TUE JUN 10 1997

AFTER 2ND DAY IN A ROW WITH FUNNEL CLOUDS IN THE AREA ARND 530 PM...
TSTMS HAVE DIMINISHED OVR ALL XCPT ACADIANA WHERE THEY ARE IN THE
PROCESS OF WKNG. MANY OUTFLO BNDRYS LEFT BEHIND TO BUILD ON TOMORROW.
TEMPS LK GOOD...WL DECOUPLE TNITE WITH A LACK OF CLD COVER AND LGT
WINDS. 00Z LCH SNDG VERIFIED ETAS MDT INSTABILITY WITH A K-INDEX OF
29. STLT LOOP SHOWS AREA RAPIDLY LOSING CONVECTION. BLV WE CAN GO
WITHOUT POPS FOR REMAINDER OF TONIGHT. LACK OF ONSHORE FLO SHUD
KEEP NOCTURNAL TSTMS OFF THE COAST TOWARD MORNING.
11

Nearby

Flash Flood Warnings in Louisiana, 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.