Alert archive / Louisiana / Flash Flood Warnings in 1992
Flash Flood Warning 1, NWS New Orleans, LA
NWS New Orleans, LA issued this flash flood warning at Mar 5, 1992, 8:14 AM CST for Saint Tammany Parish, Tangipahoa Parish, Washington Parish, Louisiana. It was in force for 4 hr.
The area
The counties it named.
The facts
- Issued
- Mar 5, 1992, 8:14 AM CST (14:14 UTC)
- Expired
- Mar 5, 1992, 12:15 PM CST
- In force
- 4 hr
- Issued by
- NWS New Orleans, LA
- Area
- Whole counties
Counties Saint Tammany Parish, LA, Tangipahoa Parish, LA, Washington Parish, LA
The nearest sounding before it
Slidell Radar S, LA (KSIL), launched 12:00Z, 2.2 hours before the alert went out and 59 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
- NaN m above ground
- 0-6 km bulk shear
- 43 kt
- 0-1 km storm-relative helicity
- 210 m²/s²
- 0-3 km storm-relative helicity
- 265 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 6.5
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KNEW 051415 FFWNEW LAC103-105-117-051815- BULLETIN - EBS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE NEW ORLEANS LA 814 AM CST THU MAR 5 1992 THE NATIONAL WEATHER SERVICE IN NEW ORLEANS HAS ISSUED A FLASH FLOOD WARNING EFFECTIVE UNTIL 1215 PM CST FOR RESIDENTS IN THE FOLLOWING PARISHES IN SOUTHEAST LOUISIANA ...NORTHERN ST.TAMMANY PARISH...TANGIPAHOA PARISH...WASHINGTON PARI PRECIPITATION ESTIMATES FROM NATIONAL WEATHER SERVICE RADAR AND RAINFALL OBSERVATIONS INDICATE THAT 3 TO 5 INCHES OF RAIN HAS FALLEN OVER MUCH OF TANGIPAHOA...WASHINGTON...AND NORTHERN TANGIPAHOA PARISHES SINCE 3 AM THIS MORNING. THERE HAVE BEEN REPORTS OF CREEKS FLOWING OUT OF THEIR BANKS IN TANGIPAHOA PARISH...FLOODING ROADWAYS NEAR BRIDGES AND LOW AREAS. AT 815 AM NATIONAL WEATHER SERVICE RADAR CONTINUED TO INDICATE STRONG THUNDERSTORMS MOVING ACROSS TANGIPAHOA INTO WASHINGTON AND NORTHERN ST. TAMMANY PARISHES. DO NOT DRIVE YOUR VEHICL E 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, Mar 5, 4:52 AM CST, 3 hours 22 minutes before
LAZ008-006-009-051200- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BATON ROUGE LA 445 AM CST THU MAR 5 1992 ...A SEVERE THUNDERSTORM WATCH IS IN EFFECT UNTIL 9 AM CST... ...A FLASH FLOOD WATCH REMAINS IN EFFECT THROUGH THIS MORNING... AT 445 AM RADAR SHOWED STRONG THUNDERSTORMS WITH VERY RAINFALL CONTINUE NEAR MELVILLE AND PORT BARRE TO NEAR BATON ROUGE AND CLINTON. THESE STRONG THUNDERSTORMS WILL CAUSE FLOODING OF ALL LOW LYING AREAS SUCH AS STREETS AND UNDERPASSES. MOTORISTS SHOULD ALLOW EXTRA TIME TO REACH WORK AND SCHOOL. THUNDERSTORMS WILL CONTINUE MOVING THROUGH MOST OF EAST CENTRAL LOUISIANA THROUGH THE MORNING RUSH HOURS. PEOPLE SHOULD REMAIN ALERT THROUGH THE MORNING qTO POSSIBLE SEVERE WEATHER AND BE READY TO MOVE TO A SAFE PLACE QUICKLY.
Special weather statement, Mar 5, 6:06 AM CST, 2 hours 8 minutes before
LAZ008-006-009-051330- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BATON ROUGE LA 605 AM CST THU MAR 5 1992 ...A SEVERE THUNDERSTORM WATCH IS IN EFFECT UNTIL 9 AM CST... ...A FLASH FLOOD WATCH REMAINS IN EFFECT THROUGH THIS MORNING... AT 600 AM RADAR SHOWED STRONG THUNDERSTORMS CONTINUE BY NEW ROADS AND BETWEEN BATON ROUGE AND CLINTON. ELSEWHERE RAIN EXTENDED SOUTH OF MARKSVILLE TO LAFAYETTE THROUGH BATON ROUGE INTO MISSISSIPPI. THE STRONG THUNDERSTORMS WERE MOVING NORTHEAST AT 35 MPH. THE THUNDERSTORMS WILL CONTINUE WITH HEAVY RAIN AND STREET FLOODING THROUGH THE MORNING RUSH HOURS...ALLOW EXTRA TIME FOR TRAVELING TO WORK AND SCHOOL. PEOPLE SHOULD REMAIN ALERT THROUGH THE MORkNING TO POSSIBLE SEVERE WEATHER AND BE READY TO MOVE TO A SAFE PLACE QUICKLY.
Special weather statement, Mar 5, 7:34 AM CST, 40 minutes before
LAZ008-006-009-051500- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BATON ROUGE LA 735 AM CST THU MAR 5 1992 ...A SEVERAL THUNDERSTORM WARNING IN EFFECT UNTIL 815 AM FOR WEST FELICIANA PARISH... ...A SEVERE THUNDERSTORM WATCH IS IN EFFECT UNTIL 9 AM CST... ...A FLASH FLOOD WATCH REMAINS IN EFFECT THROUGH THIS MORNING... AT 735 AM RADAR SHOWED VERY STRONG THUNDERSTORMS OVER BATON ROUGE TO ST. FRANCISVILLE MOVING NORTHEAST AT 35 MPH. RAIN CONTINUED NEAR LAFAYETTE THROUGH BATON ROUGE INTO MISSISSIPPI. SEVERAL REPORTS OF PEA SIZE HAIL WITH THE THUNDERSTORM OVER BATON ROUGE. THE THUNDERSTORMS WILL CONTINUE WITH HEAVY RAIN AND STREET FLOODING THROUGH THE MORNING RUSH HOURS...ALLOW EXT>RA TIME FOR TRAVELING TO WORK AND SCHOOL. PEOPLE SHOULD REMAIN ALERT THROUGH THE MORNING TO POSSIBLE SEVERE WEATHER AND BE READY TO MOVE TO A SAFE PLACE QUICKLY.
The office that day
Everything else NWS New Orleans, LA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 5, 12:16 AM CST | Tornado Warning | LIX | Saint Landry | 59 min |
| Mar 5, 1:30 AM CST | Severe Thunderstorm Warning | LIX | Pointe Coupee, Saint Landry | 60 min |
| Mar 5, 2:23 AM CST | Severe Thunderstorm Warning | LIX | East Feliciana, West Feliciana | 67 min |
| Mar 5, 3:08 AM CST | Severe Thunderstorm Warning | LIX | Saint Helena | 52 min |
| Mar 5, 3:31 AM CST | Severe Thunderstorm Warning | LIX | Tangipahoa | 59 min |
| Mar 5, 3:50 AM CST | Severe Thunderstorm Warning | LIX | East Baton Rouge, East Feliciana, West Baton Rouge | 55 min |
| Mar 5, 3:55 AM CST | Severe Thunderstorm Warning | LIX | Washington | 65 min |
| Mar 5, 4:41 AM CST | Severe Thunderstorm Warning | LIX | Tangipahoa | 49 min |
| Mar 5, 5:13 AM CST | Severe Thunderstorm Warning | LIX | Washington | 62 min |
| Mar 5, 5:49 AM CST | Severe Thunderstorm Warning | LIX | Tangipahoa, Washington | 56 min |
| Mar 5, 7:19 AM CST | Severe Thunderstorm Warning | LIX | Saint Tammany | 56 min |
| Mar 5, 7:19 AM CST | Severe Thunderstorm Warning | LIX | West Feliciana | 56 min |
| Mar 5, 7:54 AM CST | Severe Thunderstorm Warning | LIX | Iberia, Saint Martin | 66 min |
| Mar 5, 8:03 AM CST | Severe Thunderstorm Warning | LIX | St. Mary | 57 min |
| Mar 5, 8:15 AM CST | Tornado Warning | LIX | Iberville | 45 min |
| Mar 5, 8:15 AM CST | Tornado Warning | LIX | Saint Landry | 45 min |
| Mar 5, 8:27 AM CST | Severe Thunderstorm Warning | LIX | Tangipahoa | 63 min |
| Mar 5, 8:29 AM CST | Tornado Warning | LIX | Pointe Coupee | 27 min |
| Mar 5, 8:42 AM CST | Severe Thunderstorm Warning | LIX | Livingston | 48 min |
| Mar 5, 9:30 AM CST | Severe Thunderstorm Warning | LIX | Saint Tammany, Tangipahoa | 60 min |
| Mar 5, 9:55 AM CST | Severe Thunderstorm Warning | LIX | Jefferson, Orleans, Plaquemines, Saint Bernard | 65 min |
| Mar 5, 10:34 AM CST | Severe Thunderstorm Warning | LIX | Saint Tammany | 41 min |
Nearby
Flash Flood Warnings in Louisiana, 1992Every flash flood warning in 1992
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.