Alert archive / Louisiana / River Flood Warnings / 2021
River Flood Warnings in Louisiana, September 2021
35 river flood warnings in September 2021. An alert counts here when it covered any part of the state, so the counties below add up to more than the state. The archive of river flood warnings reaches back to 2005.
River Flood Warnings by county
Each county as a circle sized by its count in September 2021. Tap one for its archive.
- River Flood Warnings
- 35
- Busiest day
- September 15, 202110 river flood warnings
Over time
By day
Days in UTC, the clock the archive keeps.
The alerts
Every alert, in the order issued. Times are local, Central Time. Each opens its own page with the text, the map, the radar and the sounding.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 8, 9:52 AM CDT | River Flood Warning | LCH | Calcasieu | 49 hr |
| Sep 8, 9:52 AM CDT | River Flood Warning | LCH | Calcasieu | 11 days |
| Sep 13, 9:44 AM CDT | River Flood Warning | LCH | Lafayette, Saint Martin, Vermilion | 3 days |
| Sep 13, 9:44 AM CDT | River Flood Warning | LCH | Lafayette, Saint Landry, Saint Martin | 3 days |
| Sep 13, 9:47 AM CDT | River Flood Warning | LCH | Calcasieu | 21 days |
| Sep 13, 9:51 AM CDT | River Flood Warning | LCH | Calcasieu | 4 days |
| Sep 13, 9:52 AM CDT | River Flood Warning | LCH | Acadia, Evangeline, Saint Landry | 8 days |
| Sep 14, 8:28 AM CDT | River Flood Warning | LCH | Rapides | 5 days |
| Sep 14, 8:28 AM CDT | River Flood Warning | LCH | Allen, Beauregard | 5 days |
| Sep 14, 9:34 AM CDT | River Flood Warning | LIX | Saint Tammany | 54 hr |
| Sep 14, 9:34 AM CDT | River Flood Warning | LIX | Saint Tammany | 72 hr |
| Sep 14, 9:34 AM CDT | River Flood Warning | LIX | Tangipahoa | 7 days |
| Sep 15, 7:55 AM CDT | River Flood Warning | LIX | Saint Tammany | 4 days |
| Sep 15, 7:55 AM CDT | River Flood Warning | LIX | Saint Tammany | 49 hr |
| Sep 15, 8:37 AM CDT | River Flood Warning | LIX | Tangipahoa | 28 hr |
| Sep 15, 8:59 AM CDT | River Flood Warning | LIX | East Baton Rouge | 28 hr |
| Sep 15, 9:02 AM CDT | River Flood Warning | LIX | Saint Tammany | 6 days |
| Sep 15, 9:04 AM CDT | River Flood Warning | LIX | Saint Helena | 4 days |
| Sep 15, 9:08 AM CDT | River Flood Warning | LIX | Saint Tammany, Washington | 5 days |
| Sep 15, 9:08 AM CDT | River Flood Warning | LIX | Saint Tammany | 7 days |
| Sep 15, 3:39 PM CDT | River Flood Warning | LIX | Livingston | 42 hr |
| Sep 15, 3:39 PM CDT | River Flood Warning | LIX | Washington | 21 hr |
| Sep 16, 9:59 AM CDT | River Flood Warning | LCH | Acadia, Allen, Evangeline, Jefferson Davis | 21 days |
| Sep 16, 9:59 AM CDT | River Flood Warning | LCH | Allen, Calcasieu, Jefferson Davis | 4 days |
| Sep 16, 9:59 AM CDT | River Flood Warning | LCH | Acadia, Jefferson Davis, Vermilion | 7 days |
| Sep 16, 7:00 PM CDT | River Flood Warning | LIX | Ascension, Livingston | 29 hr |
| Sep 17, 10:02 AM CDT | River Flood Warning | LCH | Allen | 60 hr |
| Sep 18, 6:02 AM CDT | River Flood Warning | LIX | Saint Helena | 53 hr |
| Sep 18, 8:19 AM CDT | River Flood Warning | LIX | Livingston | 69 hr |
| Sep 24, 9:21 AM CDT | River Flood Warning | LCH | Calcasieu | 48 hr |
| Sep 28, 12:41 PM CDT | River Flood Warning | LCH | Calcasieu | 14 days |
| Sep 28, 2:11 PM CDT | River Flood Warning | LCH | Rapides | 43 hr |
| Sep 28, 7:41 PM CDT | River Flood Warning | LCH | Acadia, Jefferson Davis, Vermilion | 7 days |
| Sep 29, 6:38 AM CDT | River Flood Warning | LCH | Calcasieu | 4 days |
| Sep 29, 7:37 PM CDT | River Flood Warning | LCH | Beauregard, Calcasieu | 4 days |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Calcasieu Parish9
- Saint Tammany Parish7
- Acadia Parish4
- Allen Parish4
- Jefferson Davis Parish4
- Vermilion Parish3
- Livingston Parish3
- Lafayette Parish2
- Saint Martin Parish2
- Saint Landry Parish2
- Evangeline Parish2
- Rapides Parish2
- Beauregard Parish2
- Tangipahoa Parish2
- Saint Helena Parish2
- Washington Parish2
- East Baton Rouge Parish1
- Ascension Parish1
Nearby
Alerts in force nowTornadoes on recordThe radar archive20202022
Sources
National Weather Service watches, warnings, advisories and statements from the Iowa Environmental Mesonet's VTEC archive, which reconstructs tornado, severe thunderstorm, flash flood and marine warnings back to 1986 from the NWS text archive. Storm Prediction Center watches and mesoscale discussions from SPC's archive through the Mesonet. County centers from the US Census Bureau. Warning verification from the Mesonet's Cow. Rebuilt daily.