Alert archive / Louisiana / Flash Flood Warnings in 1997
Flash Flood Warning 1, NWS New Orleans, LA
NWS New Orleans, LA issued this flash flood warning at Feb 13, 1997, 12:22 AM CST for Lafourche Parish, Terrebonne 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
- Feb 13, 1997, 12:22 AM CST (06:22 UTC)
- Expired
- Feb 13, 1997, 2:30 AM CST
- In force
- 2 hr
- Issued by
- NWS New Orleans, LA
- Area
- Whole counties
Counties Lafourche Parish, LA, Terrebonne Parish, LA
The nearest sounding before it
Slidell Radar S, LA (KSIL), launched 00:00Z, 6.4 hours before the alert went out and 128 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.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 536 m above ground
- 0-6 km bulk shear
- 74 kt
- 0-1 km storm-relative helicity
- 690 m²/s²
- 0-3 km storm-relative helicity
- 1324 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KNEW 130624 FFWNEW LAC057-109-130830- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE NEW ORLEANS LA 1222 AM CST THU FEB 13 1997 THE NATIONAL WEATHER SERVICE IN NEW ORLEANS HAS ISSUED A FLASH FLOOD WARNING EFFECTIVE UNTIL 230 AM CST FOR RESIDENTS IN THE FOLLOWING LOCATIONS... IN SOUTHEAST LOUISIANA ...LAFOURCHE PARISH...TERREBONNE PARISH AT 1217 AM CST...LAFOURCHE PARISH SHERIFF'S OFFICE REPORTED MUCH OF HIGHWAY 1 FROM THIBODAUX TO GOLDEN MEADOW IS COVERED BY FLOOD WATERS. HOUMA POLICE DEPARTMENT REPORTED A FEW HOMES WITH WATER IN THEM AND NUMEROUS STREETS FLOODED IN THE HOUMA AREA. HEAVY RAINS WILL CONTINUE IN THE WARNED AREA UNTIL ABOUT 2 AM CST. 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.
In the hours before
Special weather statement, Feb 13, 12:10 AM CST, 12 minutes before
LAZ061-062-064-060-058-040-038-130915- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE NEW ORLEANS LA 1210 AM CST THU FEB 13 1997 ...HIGH WIND GUSTS CAN BE EXPECTED ON THE ELEVATED HIGHWAYS IN AND AROUND THE NEW ORLEANS METRO AREA... STRONG WIND GUSTS NEAR 50 MPH WERE AFFECTING THE NEW ORLEANS METRO AREA JUST ABOVE THE GROUND LEVEL. AS A RESULT...DRIVING WILL BE HAZARDOUS WHILE CROSSING THE ELEVATED PORTIONS OF I-10...THE MISSISSIPPI RIVER BRIDGES AND THE LAKE PONTCHARTRAIN SPANS. AT MIDNIGHT...ORLEANS PARISH OFFICIALS REPORTED A COUPLE OF VEHICLES MAY HAVE BEEN BLOWN OFF I-10. RADAR INDICATED WINDS NEAR 50 MPH OCCURRING JUST A FEW HUNDRED FEET ABOVE THE GROUND. MOTORISTS ARE URGED TO USE EXTREME CAUTION WHILE TRAVELLING ACROSS THE REGION TONIGHT. HOLD THE STEERING WHEEL WITH BOTH HANDS AND MAINTAIN A SAFE SPEED AND DISTANCE FROM OTHER VEHICLES. THE HIGH WINDS SHOULD DIMINISH AROUND SUNRISE. &
Special weather statement, Feb 13, 12:16 AM CST, 6 minutes before
LAZ061-062-064-060-058-040-038-130915- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE NEW ORLEANS LA 1210 AM CST THU FEB 13 1997 ...HIGH WIND GUSTS CAN BE EXPECTED ON THE ELEVATED HIGHWAYS IN AND AROUND THE NEW ORLEANS METRO AREA... STRONG WIND GUSTS NEAR 50 MPH WERE AFFECTING THE NEW ORLEANS METRO AREA JUST ABOVE THE GROUND LEVEL. AS A RESULT...DRIVING WILL BE HAZARDOUS WHILE CROSSING THE ELEVATED PORTIONS OF I-10...THE MISSISSIPPI RIVER BRIDGES AND THE LAKE PONTCHARTRAIN SPANS. AT MIDNIGHT...ORLEANS PARISH OFFICIALS REPORTED A COUPLE OF VEHICLES MAY HAVE BEEN BLOWN OFF I-10. RADAR INDICATED WINDS NEAR 50 MPH OCCURRING JUST A FEW HUNDRED FEET ABOVE THE GROUND. MOTORISTS ARE URGED TO USE EXTREME CAUTION WHILE TRAVELLING ACROSS THE REGION TONIGHT. HOLD THE STEERING WHEEL WITH BOTH HANDS AND MAINTAIN A SAFE SPEED AND DISTANCE FROM OTHER VEHICLES. THE HIGH WINDS SHOULD DIMINISH AROUND SUNRISE. &
The office that day
Everything else NWS New Orleans, LA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 12, 11:43 PM CST | Severe Thunderstorm Warning | LIX | Lafourche, Terrebonne | 32 min |
| Feb 13, 12:24 AM CST | Severe Thunderstorm Warning | LIX | Jefferson, Saint Charles | 51 min |
| Feb 13, 1:04 AM CST | Severe Thunderstorm Warning | LIX | Orleans, Plaquemines | 26 min |
| Feb 13, 1:29 AM CST | Severe Thunderstorm Warning | LIX | Saint Bernard | 31 min |
Nearby
Flash Flood Warnings in Louisiana, 1997Every 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.