National Weather Service United States Department of Commerce
NOUS44 KLCH 132015

Public Information Statement
National Weather Service Lake Charles LA
315 PM CDT Wed Oct 13 2021

...Calcasieu River at Oakdale Flood Level Changes...

-Family of Services
-NOAA Weather Wire Service
-Emergency Managers Weather Information Network
-Other NWS partners, users, and NWS employees

From: Jonathan Brazzell
      Service Hydrologist
      Weather Forecast Office Lake Charles, LA

Subject: Change to River Forecast Service Locations along the Calcasieu 
River in Allen Parish.

Effective at 1200 Coordinated Universal Time on Wednesday November
17th 2021, the National Weather Service will increase the flood
stages to match the new USGS datum at the Oakdale river forecast
point (OKDL1). With the new real-time gaging information from the
USGS, the flood categories and impacts will need to be raised 5
feet from current levels. Forecasts & information will be available
on the internet at
and through all standard NWS dissemination methods.

The following flood stages will have to be changed to reflect the
new gage zero datum at Oakdale.

Action Stage            From 10 ft to 15 ft
Minor flood stage       From 12 ft to 17 ft
Moderate flood stage    From 16 ft to 21 ft
Major flood stage       From 22 ft to 27 ft

These new flood stages and categories will be referenced in flood
warnings, flood statements, and flood advisories for this

Fore more information, please contact:
Jonathan Brazzell
NWS Weather Forecast Office
Lake Charles, LA
(337) 477-5285