Alert archive / Louisiana / Flash Flood Warnings in 1993
Flash Flood Warning 12, NWS New Orleans, LA
NWS New Orleans, LA issued this flash flood warning at Jan 20, 1993, 3:04 PM CST for Pointe Coupee Parish, Saint Landry Parish, Louisiana. It was in force for 3 hr.
The area
The counties it named.
The facts
- Issued
- Jan 20, 1993, 3:04 PM CST (21:04 UTC)
- Expired
- Jan 20, 1993, 6:00 PM CST
- In force
- 3 hr
- Issued by
- NWS New Orleans, LA
- Area
- Whole counties
The nearest sounding before it
Lake Charles Mun, LA (KLCH), launched 12:00Z, 9.1 hours before the alert went out and 147 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
- 530 m above ground
- 0-6 km bulk shear
- 56 kt
- 0-1 km storm-relative helicity
- 146 m²/s²
- 0-3 km storm-relative helicity
- 212 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.
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 20, 10:44 AM CST, 4 hours 20 minutes before
LAZ008>010-012>014-MSZ010>014-ALZ016-201800- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE NEW ORLEANS LA 1040 AM CST WED JAN 20 1993 ...A FLASH FLOOD WATCH IS IN EFFECT FOR PARTS OF SOUTHEAST LOUISIANA... MAINLY NORTH OF LAKE PONTCHARTRAIN AND WEST INTO EAST CENTRAL LOUISIANA... A LARGE AREA OF RAIN WITH SCATTERED SHOWERS AND THUNDERSTORMS CONTINUED OVER SOUTHEAST LOUISIANA BETWEEN NEW IBERIA AND NEW ORLEANS EXTENDING NORTH ACROSS MUCH OF SOUTHERN MISSISSIPPI AND EXTREME SOUTHWEST ALABAMA. THE HEAVIEST RAINFALL WAS LOCATED OVER LAKE PONTCHARTRAIN JUST NORTH OF NEW ORLEANS LOUISIANA...AND JUST EAST OF BAY ST LOUIS MISSISSIPPI. AS PRECIPITATION CONTINUES TO PERSIST dACROSS THE WATCH AREA SOME STREET FLOODING AND FLOODING OF LOW LYING AREAS ARE POSSIBLE. THE THUNDERSTORMS WERE MOVING EAST AT 30 MILES AN HOUR.
Special weather statement, Jan 20, 11:37 AM CST, 3 hours 27 minutes before
LAZ008>010-012>014-MSZ010>014-ALZ016-201900- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE NEW ORLEANS LA 1135 AM CST WED JAN 20 1993 ...A FLASH FLOOD WATCH IS IN EFFECT FOR PARTS OF SOUTHEAST LOUISIANA... MAINLY NORTH OF LAKE PONTCHARTRAIN AND WEST INTO EAST CENTRAL LOUISIANA... A LARGE AREA OF RAIN WITH SCATTERED SHOWERS AND THUNDERSTORMS CONTINUED OVER LOUISIANA BETWEEN NEW IBERIA LOUISIANA AND PASCAGOULA MISSISSIPPI EXTENDING NORTH ACROSS MOST OF SOUTHERN MISSISSIPPI AND EXTREME SOUTHWEST ALABAMA. THE HEAVIEST RAINFALL WAS LOCATED JUST EAST OF COVINGTON LOUISIANA AND JUST NORTH OF BILOXI MISSISSIPPI. AS PRECIPITATION CONTINUES TO PERSIST ACROSS THE WATCH AREA SOME STREET FLOODING AND FLOODING OF LOW LYING AREAS ARE POSSIBLE. THE THUNDERSTORMS WERE MOVING EAST AT 30 MILES AN HOUR.
The office that day
Everything else NWS New Orleans, LA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jan 20, 9:07 AM CST | Flash Flood Warning | LIX | East Baton Rouge, East Feliciana, West Baton Rouge | 3 hr |
| Jan 20, 9:07 AM CST | Flash Flood Warning | LIX | Livingston | 3 hr |
| Jan 20, 10:28 AM CST | Flash Flood Warning | LIX | Saint Landry | 3 hr |
| Jan 20, 10:55 AM CST | Flash Flood Warning | LIX | Saint Martin | 4 hr |
| Jan 20, 11:19 AM CST | Flash Flood Warning | LIX | Pointe Coupee | 3 hr |
| Jan 20, 12:17 PM CST | Flash Flood Warning | LIX | Livingston | 3 hr |
| Jan 20, 12:17 PM CST | Flash Flood Warning | LIX | East Baton Rouge, East Feliciana, Pointe Coupee, West Baton Rouge, West Feliciana | 3 hr |
| Jan 20, 12:17 PM CST | Flash Flood Warning | LIX | Saint Landry | 3 hr |
| Jan 20, 3:04 PM CST | Flash Flood Warning | LIX | East Baton Rouge, East Feliciana, Iberville, Livingston, Saint Helena, West Baton Rouge | 3 hr |
| Jan 20, 3:04 PM CST | Flash Flood Warning | LIX | West Feliciana | 3 hr |
| Jan 20, 3:20 PM CST | Flash Flood Warning | LIX | Tangipahoa, Washington | 4 hr |
| Jan 20, 3:20 PM CST | Flash Flood Warning | LIX | Saint Martin | 4 hr |
| Jan 20, 5:43 PM CST | Flash Flood Warning | LIX | Saint Tammany | 4 hr |
| Jan 20, 5:51 PM CST | Severe Thunderstorm Warning | LIX | Saint John the Baptist, Tangipahoa | 69 min |
| Jan 20, 5:51 PM CST | Severe Thunderstorm Warning | LIX | Saint James | 69 min |
Nearby
Flash Flood Warnings in Louisiana, 1993Every flash flood warning in 1993
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.