Public Information Statement
Issued by NWS Omaha/Valley, NE

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NOUS43 KOAX 280251
PNSOAX
NEC155-010251-


SERVICE CHANGE NOTICE
NATIONAL WEATHER SERVICE OMAHA/VALLEY NEBRASKA
851 PM CST FRI FEB 27 2015

...CHANGE IN FLOOD STAGES ON WAHOO CREEK AT WAHOO...

TO:      FAMILY OF SERVICES /FOS/ SUBSCRIBERS...NOAA WEATHER WIRE
         SERVICE /NWWS/ SUBSCRIBERS...EMERGENCY MANAGERS WEATHER
         INFORMATION NETWORK /EMWIN/ SUBSCRIBERS...NOAA PORT
         SUBSCRIBERS...OTHER NATIONAL WEATHER SERVICE /NWS/
         CUSTOMERS AND PARTNERS...AND NWS EMPLOYEES

FROM:    JAMES MEYER
         METEOROLOGIST IN CHARGE
         WFO OMAHA/VALLEY, VALLEY NEBRASKA

SUBJECT: CHANGE IN FLOOD STAGES ON WAHOO CREEK AT WAHOO

ON OCTOBER 17, 2014 A NEW WIRE WEIGHT RIVER GAGE WAS INSTALLED AT
THIS LOCATION. WHEN THIS GAGE WAS INSTALLED, THE ZERO DATUM HAD TO BE
LOWERED BY 9.15 FEET. THE RESULT OF THIS IS THE FLOOD STAGES
PREVIOUSLY IN USE HAD TO BE RAISED BY 9 FEET. THE ZERO DATUM IS AN
ARBITARY ELEVATION USED TO DENOTE WHEN THE GAGE READS ZERO. AT THIS
SITE, THIS ELEVATION IS 1152.05 FEET. THIS CHANGE WILL BECOME
EFFECTIVE APRIL 1ST.

HERE IS A SUMMARY OF THE FLOOD STAGE CHANGES:

(WOON1) WAHOO CREEK AT WAHOO
PREVIOUS ACTION STAGE:     9.0 FT  NEW ACTION STAGE:   18.0 FT
PREVIOUS FLOOD STAGE:     11.0 FT  NEW FLOOD STAGE:    20.0 FT
PREVIOUS MODERATE STAGE:  15.0 FT  NEW MODERATE STAGE: 24.0 FT
PREVIOUS MAJOR STAGE:     20.0 FT  NEW MAJOR STAGE:    29.0 FT

THE NATIONAL WEATHER SERVICE WELCOMES FEEDBACK.  IF YOU HAVE ANY
QUESTIONS OR COMMENTS ON THE INFORMATION INCLUDED IN THIS
DOCUMENT...PLEASE CONTACT:

         DAVID PEARSON

         SENIOR SERVICE HYDROLOGIST
         NATIONAL WEATHER SERVICE FORECAST OFFICE
         6707 NORTH 288TH STREET
         VALLEY, NE 68064-9443

         PHONE: 402-359-5166 X493
         EMAIL: DAVID.PEARSON@NOAA.GOV (ALL LOWER CASE)
$$

PEARSON



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