Lower Mississippi River (LMR) Dredging Update 111218

The Corps of Engineers Mississippi Valley New Orleans (MVN) has completed the Fiscal Year 2018 dredging operations on the Crossings Above New Orleans.  The dustpan dredge WALLACE McGEORGE has now departed the Crossings. The industry cutterhead dredge R.S. WEEKS (Weeks Marine) continues dredging 12 million cubic yards (mcy) of material from the HDDA.

The Carrollton Gauge reading at 1612 hours today was 10.26 feet.

The Baton Rouge Gauge reading was unavailable at the time of this notice.

The graph below is reproduced from NOAA’s National Weather Service website and represents an experimental product to account for the complexity of accurately predicting long-range precipitation.  This forecast projects stage levels based on expected precipitation for 2 days (top) and 16 days (bottom) and was developed within the North American Ensemble Forecast System (NAEFS) computer model and highlights Quantitative Precipitation Forecasts (QPF).  Along with the forecasts, a shaded area is also provided to indicate uncertainty for the forecast each day in the future.   These plots are experimental and not an official forecast product.

NORL1_67_28d_forecast_error_plot.png

DUSTPAN DREDGES ON THE CROSSINGS ABOVE NEW ORLEANS:

WALLACE McGEORGE: The industry dustpan dredge WALLACE McGEORGE completed dredging at Granada Crossing (Mile 205 Above Head of Passes [AHP]) on Friday, November 9, 2018. The WALLACE McGEORGE began dredging on the Crossings on Friday, May 11, 2018.

CUTTERHEAD DREDGE AT THE HOPPER DREDGE DISPOSAL AREA (HDDA):

R.S. WEEKS: The industry cutterhead dredge R.S. WEEK commenced dredging in the HDDA on Saturday, November 3, 2018. The contract calls for Weeks Marine to remove 12 mcy of material from the HDDA. The material is being beneficially used in the Pass-a-Loutre Wildlife Management Area on the eastern side of the Ship Channel. The beneficial use of material removed from the HDDA is expected to restore approximately 1,000 acres of new marsh in this critical deltaic environment.