Alert archive / Louisiana / Flash Flood Warnings in 2021
Flash Flood Warning 115, NWS New Orleans, LA
NWS New Orleans, LA issued this flash flood warning at Sep 13, 2021, 6:53 PM CDT for East Baton Rouge Parish, Louisiana. It was in force for 82 min. 1 report came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Sep 13, 2021, 6:53 PM CDT (23:53 UTC)
- Expired
- Sep 13, 2021, 8:15 PM CDT
- In force
- 82 min
- Issued by
- NWS New Orleans, LA
- Area
- Storm-based polygon
- Flood severity
- None
County East Baton Rouge Parish, LA
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Sep 13, 7:10 PM CDT | FLASH FLOOD | 1 N Gardere, LA | STREET FLOODING REPORTED VIA SOCIAL MEDIA. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Slidell Radar S, LA (KSIL), launched 12:00Z, 11.9 hours before the alert went out and 139 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
- 461 J/kg
- Mixed-layer CIN
- -42 J/kg
- Mixed-layer LCL
- 832 m above ground
- 0-6 km bulk shear
- 11 kt
- 0-1 km storm-relative helicity
- 34 m²/s²
- 0-3 km storm-relative helicity
- 85 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
692
WGUS54 KLIX 132353
FFWLIX
LAC033-140115-
/O.NEW.KLIX.FF.W.0115.210913T2353Z-210914T0115Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service New Orleans LA
653 PM CDT Mon Sep 13 2021
The National Weather Service in New Orleans has issued a
* Flash Flood Warning for...
South Central East Baton Rouge Parish in southeastern Louisiana...
* Until 815 PM CDT.
* At 653 PM CDT, Doppler radar indicated thunderstorms producing
heavy rain across the warned area. Between 3 and 4 inches of rain
have fallen. Additional rainfall amounts of 1 to 2 inches are
possible in the warned area. Flash flooding is ongoing or expected
to begin shortly.
HAZARD...Flash flooding caused by thunderstorms.
SOURCE...Radar.
IMPACT...Flash flooding of small creeks and streams, urban
areas, highways, streets and underpasses as well as
other poor drainage and low-lying areas.
* Some locations that will experience flash flooding include...
Baton Rouge, Oak Hills Place, Gardere, Westminster and Village St.
George.
This includes the following Interstates...
Interstate 10 in Louisiana near mile marker 161.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Please report observed flooding to local emergency services or law
enforcement and request they pass this information to the National
Weather Service when you can do so safely.
&&
LAT...LON 3040 9116 3041 9115 3042 9113 3041 9109
3035 9108 3033 9111 3035 9117 3039 9117
FLASH FLOOD...RADAR INDICATED
$$
PGThe office that day
Everything else NWS New Orleans, LA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 13, 4:01 AM CDT | Special Marine Warning | LIX | 59 min | |
| Sep 13, 2:45 PM CDT | Flash Flood Watch | LIX | Assumption, East Baton Rouge, East Feliciana, Iberville, Orleans, Pointe Coupee and 9 more | 5 days |
| Sep 13, 3:29 PM CDT | Small Craft Advisory | LIX | 40 hr | |
| Sep 13, 6:20 PM CDT | Areal Flood Advisory | LIX | East Baton Rouge, Iberville, West Baton Rouge | 115 min |
Nearby
Flash Flood Warnings in Louisiana, 2021Every flash flood warning in 2021
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive.