Post on 18-Jan-2018
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NATIONAL WEATHER SERVICE
JACKSON, MS
NEW ORLEANS/BATON ROUGE, LA
Pearl River Basin Watershed Town Hall March 17, 2015
http://www.weather.gov/janhttp://www.weather.gov/lix
PEARL RIVER BASIN
WFO JACKSON RESPONSIBILITY
WFO NEW ORLEANS/BATON ROUGERESPONSIBILITY
Weather Service Forecast OfficePEARL RIVER OPERATIONS
Collects And Quality Controls Hydrologic Data.
Coordinates Daily River Forecasts With The Lower Mississippi River Forecast Center (LMRFC).
WFO Jackson Coordinates Forecasts With LMRFC And Pearl River Valley Water Supply District (PRVWSD –Ross Barnett Reservoir).
Issues Flood Warnings And Flood Statements.
WFO Jackson Hosts High Flow Coordination Conference Calls For PRVWSD Operations And Jackson Forecast.
Briefs County/Parish Emergency Managers And Conducts Media Interviews.
RIVER AND RAIN GAGESUpper Pearl River
RIVER FORECAST POINTS
Rain Gage Network
Hourly rain gages
Out of service rain gages
Removed Rain Gages
Daily Rain Gages
River Gages
Forecast Gage
PEARL RIVER HIGH FLOW COORDINATION
CONFERENCE CALLS Purpose
Criterion
Procedures
PURPOSE OF COORDINATION CALLS To Discuss Differences In Ross Barnett Inflow Forecasts
Between The Vicksburg Corps of Engineers And The Lower Mississippi River Forecast Center .
To Receive A Briefing From United States Geological Survey On The River Gage Network And Gage Rating Status.
To Provide The Best Possible Information To The Pearl River Valley Water Supply District (Ross Barnett) To Assist Them With Reservoir Operations During Flood Events.
To Help Ensure All Agencies Are On The Same Page During A Flood.
CONFERENCE CALL CRITERION Criterion For Starting Coordination Calls
When Inflows Or Outflows Are Projected To Be Over 30,000 CFS. (Equates To 31-32 Foot River On the Jackson River Gage)
Those Involved: Weather Forecast Office (WFO) Jackson Weather Forecast Office (WFO) New Orleans – Baton Rouge Lower Mississippi River Forecast Center (LMRFC) USGS – Mississippi Water Science Center U.S. Army Corps Of Engineers (Vicksburg District) Pearl River Valley Water Supply District (PRVWSD) Bill Frederick – NWS Liaison To Mississippi Valley Division Of
The Corps of Engineers
CONFERENCE CALL PROCEDURES WFO JAN : Rainfall And Weather Forecast
USGS : Gage And Rating Status
LMRFC : Ross Barnett Inflow Forecasts And Jackson River Forecast
USACE Vicksburg District : Ross Barnett Inflow Forecasts
PRVWSD : Gives Report On Probable Reservoir Operations Based On Current Information.
Agree On An Official Jackson Forecast Based On Reservoir Operations.
Set Next Conference Call