000
NOUS45 KBYZ 132141
PNSBYZ
MTZ029>034-036-037-040-042-056>058-063>068-138-139-141-169>173-
228-235-WYZ198-199-152145-

PUBLIC INFORMATION STATEMENT
NATIONAL WEATHER SERVICE BILLINGS MT
241 PM MST MON JAN 13 2020

...NEW FLOOD STAGE FOR THE MUSSELSHELL RIVER NEAR SHAWMUT...

THE NATIONAL WEATHER SERVICE FORECAST OFFICE IN BILLINGS, 
MONTANA, IN COORDINATION WITH LOCAL EMERGENCY MANAGEMENT 
OFFICIALS, HAS DETERMINED THAT THE CURRENT FLOOD STAGE FOR THE 
MUSSELSHELL RIVER NEAR SHAWMUT IS TOO LOW. THE CURRENT FOOD STAGE 
IS RESULTING IN UNNECESSARY WARNINGS DURING HIGH FLOW PERIODS. 
THEREFORE, A NEW FLOOD STAGE HAS BEEN ESTABLISHED FOR THIS 
LOCATION. 

STARTING MARCH 1ST, 2020 THE NEW FLOOD STAGE WILL BE AS FOLLOWS:

RIVER                 FORECAST POINT     SITE ID   FLOOD STAGE

MUSSELSHELL RIVER     SHAWMUT            SHAM8     8.0 FEET


THE NATIONAL WEATHER SERVICE DEFINES FLOOD STAGE AS THE RIVER 
LEVEL THAT BEGINS TO IMPACT LIFE AND/OR PROPERTY. RIVER FLOOD 
WARNINGS WILL BE ISSUED BY THE NATIONAL WEATHER SERVICE IN 
BILLINGS WHEN THE RIVER LEVEL REACHES, OR IS EXPECTED TO REACH OR 
EXCEED, FLOOD STAGE. 

THESE SITE(S) CAN BE ACCESSED ON THE ADVANCED HYDROLOGIC 
PREDICTION SERVICE, OR AHPS. AHPS ALLOWS USERS TO SEE THE OBSERVED
AND FORECAST DATA FOR POINTS ALONG RIVERS AND STREAMS, INCLUDING 
THE POINT(S) LISTED ABOVE. GRAPHICAL DISPLAY OF THIS INFORMATION 
CAN BE FOUND ON THE INTERNET AT, WATER.WEATHER.GOV . 

INFORMATION PROVIDED ON THE AHPS WEB PAGE INCLUDES:

   1) GRAPHS SHOWING CURRENT AND FORECAST RIVER LEVELS
   2) GRAPHS SHOWING CHANCES OR PROBABILITIES OF EXCEEDING CERTAIN 
      LEVELS, FLOW, AND VOLUME 
   3) IMPACT INFORMATION WHICH IS A DESCRIPTION OF WHAT HAPPENS
      WHEN THE WATER REACHES CERTAIN LEVELS 
   4) HISTORICAL CREST LEVELS AND DATES 
   5) A MAP AND SOMETIMES PHOTOGRAPHS SHOWING THE LOCATION OF THE GAUGE 
   6) FEMA NATIONAL FLOOD HAZARD MAPPING 


IF YOU HAVE ANY QUESTIONS OR COMMENTS ON THIS CHANGE, PLEASE CONTACT:

TOM FRIEDERS
WARNING COORDINATION METEOROLOGIST
NATIONAL WEATHER SERVICE BILLINGS MT
PHONE: 406-652-0851
EMAIL: TOM.FRIEDERS@NOAA.GOV


$$

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