Public Information Statement
Issued by NWS Northern Indiana

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NOUS43 KIWX 082149
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INZ003>009-012>018-020-022>027-032>034-MIZ077>081-OHZ001-002-004-
005-015-016-024-025-100000-

SERVICE CHANGE NOTICE
NATIONAL WEATHER SERVICE NORTHERN INDIANA
600 PM EDT FRI AUG 8 2014



TO:SUBSCRIBERS
-FAMILY OF SERVICES
-NOAA WEATHER WIRE SERVICE
-EMERGENCY MANAGERS WEATHER INFORMATION NETWORK
OTHER NWS PARTNERS...USERS AND EMPLOYEES

FROM:MARK FRAZIER
METEOROLOGIST IN CHARGE
WEATHER FORECAST OFFICE NORTHERN INDIANA

SUBJECT:CHANGE IN GAUGE ZERO ELEVATION FOR THE RIVER GAUGE
AT NORTH MANCHESTER ON THE EEL RIVER /NMCI3/


EFFECTIVE AT 1200 COORDINATED UNIVERSAL TIME ON APRIL 10 2013 THE
UNITED STATES GEOLOGICAL SURVEY /USGS/ CHANGED THE GAUGE ZERO /GAUGE
DATUM/ ELEVATION FOR THE RIVER GAUGE AT NORTH MANCHESTER ON THE EEL
RIVER FROM 732.65 FEET ABOVE NATIONAL GEODETIC VERTICAL DATUM OF 1929
/NGVD29/ TO 730.65 NGVD29 AND EQUAL TO NORTH AMERICAN VERTICAL DATUM
OF 1988 /NAVD88/. FOR THIS LOCATION...GAUGE ZERO IS THE ELEVATION AT
WHICH RIVER STAGE IS ZERO FEET.  THE GAUGE WAS MOVED TO THE WABASH
STREET BRIDGE.

THIS CHANGE WAS MADE DUE TO THE REMOVAL OF A LOW WATER DAM IN NORTH
MANCHESTER AND AS PART OF A RECENT INITIATIVE TO MODERIZE VERTICAL
DATUMS ASSOCIATED WITH THE STREAM GAUGING EQUIPMENT.  THIS CHANGE IN
THE GAUGE ZERO DID NOT REQUIRE A CHANGE IN FLOOD STAGE...FLOOD
CATEGORIES OR FLOOD IMPACT STAGE LEVELS.

OBSERVATIONS AND FORECASTS WILL REMAIN AS STAGE REPORTS IN FEET ABOVE
GAUGE ZERO FOR THE STREAM GAUGE AT NORTH MANCHESTER ON THE EEL RIVER
AND CAN BE USED BY PERSONS BETWEEN COLUMBIA CITY INDIANA AND DENVER INDIANA.

THE NATIONAL WEATHER SERVICE WELCOMES PUBLIC FEEDBACK.  IF YOU HAVE
ANY QUESTIONS OR COMMENTS ON THE CHANGE?PLEASE CONTACT:

MIKE REHBEIN
SERVICE HYDROLOGIST
NATIONAL WEATHER SERVICE FORECAST OFFICE
7506 E 850 N
SYRACUSE IN  46567

PHONE:  574-834-1104  EXT. 493
EMAIL:  MICHAEL.REHBEIN@NOAA.GOV

$$






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