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NOUS43 KDMX 062108
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IAZ004>007-015>017-023>028-033>039-044>050-057>062-070>075-
081>086-092>097-070915-

PUBLIC INFORMATION STATEMENT
NATIONAL WEATHER SERVICE DES MOINES IA
305 PM CST MON FEB 6 2012

...CHANGES TO FLOOD WARNING AND FORECAST SERVICES...

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

FROM:     JEFFREY ZOGG
          SENIOR HYDROLOGIST...NWS DES MOINES IA

SUBJECT:  CHANGE TO FLOOD STAGE...MODERATE FLOOD STAGE AND MAJOR 
          FLOOD STAGE FOR 44 LOCATIONS...EFFECTIVE WEDNESDAY...
          MARCH 14 2012...AT 12 PM CST


PER COORDINATION WITH LOCAL...STATE AND FEDERAL OFFICIALS...THE
NWS IN DES MOINES WILL CHANGE THE FLOOD STAGE...MODERATE FLOOD
STAGE AND MAJOR FLOOD STAGE FOR 44 RIVER FORECAST
POINTS...EFFECTIVE AT THE DATE AND TIME MENTIONED ABOVE.

PLEASE NOTE THAT THE FLOOD STAGE WILL CHANGE BY SEVERAL FEET AT
SEVERAL LOCATIONS.

NWS DES MOINES WILL PROVIDE RIVER FLOOD WARNINGS WHEN THE RIVER
IS EXPECTED TO REACH OR EXCEED FLOOD STAGE. REFERENCES TO
MINOR...MODERATE AND MAJOR FLOODING ARE PROVIDED IN RIVER FLOOD
WARNINGS. MINOR FLOODING BEGINS AT FLOOD STAGE.

THE TABLE BELOW SHOWS THE NEW VALUES FOR FLOOD STAGE...MODERATE
FLOOD STAGE AND MAJOR FLOOD STAGE. THE CHANGES FROM THE PRESENT
VALUES ARE GIVEN AFTER THE SLASHES. IF A GIVEN VALUE IS NOT
CHANGING...IT IS DENOTED BY NC. NOTE THAT THERE ARE THREE
LOCATIONS IN THE BELOW TABLE WHERE NO CHANGES ARE OCCURRING.
THESE LOCATIONS WERE INCLUDED FOR COMPLETENESS IN THE TABLE.


HERE ARE SOME EXAMPLES USING THE TABLE BELOW...

FOR THE SQUAW CREEK AT AMES LINCOLN WAY...THE NEW FLOOD STAGE
WILL BE 10 FEET...OR 1 FOOT HIGHER THAN THE PRESENT FLOOD STAGE.
THE NEW MODERATE FLOOD STAGE WILL BE 14 FEET...OR 2 FEET HIGHER
THAN THE PRESENT MODERATE FLOOD STAGE. THE NEW MAJOR FLOOD STAGE
WILL BE 15.5 FEET...OR 0.5 FEET HIGHER THAN THE PRESENT MAJOR
FLOOD STAGE.

FOR THE WALNUT CREEK AT DES MOINES 63RD STREET...THE NEW FLOOD
STAGE WILL BE 14 FEET...OR 1 FOOT HIGHER THAN THE PRESENT FLOOD
STAGE. THERE WILL BE NO CHANGE TO MODERATE FLOOD STAGE. THERE
WILL BE NO CHANGE TO MAJOR FLOOD STAGE.


...TABLE OF NEW VALUES FOR FLOOD STAGE...MODERATE FLOOD STAGE 
AND MAJOR FLOOD STAGE...

ARE VALUES ARE IN FEET /FT/.
                                                         NEW       NEW
                                               NEW    MODERATE    MAJOR
                                              FLOOD     FLOOD     FLOOD
                                              STAGE     STAGE     STAGE
SITE                                           AND       AND       AND
ID     LOCATION NAME                         CHANGE    CHANGE    CHANGE
                                              /FT/      /FT/      /FT/

ROWI4  IOWA R NEAR ROWAN                    12.5/+1.5   15/+1     17/+0.5
MIWI4  IOWA R AT MARSHALLTOWN                 19/+1     23/+4     26/+5
WVLI4  CEDAR R AT WAVERLY                     12/+0.5   17/+2     19/+2
JANI4  CEDAR R AT JANESVILLE                  13/+2     15/+2     18/+3
FNHI4  W FK CEDAR R AT FINCHFORD              17/+5     18/+4     20/+4
MCWI4  WINNEBAGO R AT MASON CITY              10/+3   14.5/+4.5 15.5/+1.5
SHRI4  SHELL ROCK R AT SHELL ROCK           13.5/+1.5   18/+5     20/+5
NHRI4  BEAVER CR AT NEW HARTFORD              12/+2     13/+1     14/NC
CEDI4  CEDAR R AT CEDAR FALLS                 88/NC     90/NC     93/NC
ALOI4  CEDAR R AT WATERLOO                    13/+1     19/+4     21/+2
AMEI4  S SKUNK R NEAR AMES W RIVERSIDE RD   12.5/-1.5   16/+1   16.5/+0.5
AMWI4  SQUAW CR AT AMES LINCOLN WAY           10/+1     14/+2   15.5/+0.5
AESI4  S SKUNK R NEAR AMES HWY 30           21.5/+1.5 23.5/+0.5 24.5/+0.5
CFXI4  S SKUNK R AT COLFAX                    18/+1     19/NC     21/NC
OOAI4  S SKUNK R NEAR OSKALOOSA             24.5/NC   28.5/+2.5   30/NC
ESVI4  W FK DES MOINES R AT ESTHERVILLE        8/+1     13/+3   14.5/+0.5
EMTI4  W FK DES MOINES R AT EMMETSBURG        11/+1     13/+2     15/+2
HBTI4  W FK DES MOINES R AT HUMBOLDT          10/+2     13/+4     14/+2
AGNI4  E FK DES MOINES R NEAR ALGONA          17/+3     18/+1     22/NC
DAKI4  E FK DES MOINES R AT DAKOTA CITY       20/NC     24/+2     28/+4
FODI4  DES MOINES R AT FORT DODGE           10.5/NC     16/+3     17/+3
WBCI4  BOONE R NEAR WEBSTER CITY              14/+2     17/+2     19/+2
STRI4  DES MOINES R NEAR STRATFORD            21/+7     25/+7     27/+5
GRMI4  BEAVER CR NEAR GRIMES                  14/+2     16/+2     17/+1
DMOI4  DES MOINES R AT DES MOINES 2ND AVE     23/NC     26/+1     30/+3
EFWI4  N RACCOON R NEAR JEFFERSON             19/NC     21/+1     23/+2
PROI4  N RACCOON R NEAR PERRY                 15/NC     18/+1     20/NC
REDI4  S RACCOON R AT REDFIELD                20/NC     24/NC     27/NC
VNMI4  RACCOON R AT VAN METER                 17/+1     22/+3     23/+2
DMWI4  RACCOON R AT DES MOINES HWY 28         36/+4     38/+2     40/+0.5
CLVI4  WALNUT CR AT CLIVE I-80/35             12/+1     14/+2     15/+1
DOSI4  WALNUT CR AT DES MOINES 63RD ST        14/+1     15/NC     17/NC
DEMI4  RACCOON R AT DES MOINES FLEUR DR       12/NC     16/+2     25/+5
DESI4  DES MOINES R AT DES MOINES SE 6TH ST   24/NC     26/NC     30/NC
DFMI4  FOURMILE CR AT DES MOINES EASTON BL  12.5/+0.5   14/+1     16/+1
NRWI4  NORTH R NEAR NORWALK                   22/+4     25/+2     26/+1
IDNI4  MIDDLE R NEAR INDIANOLA                23/+4     26/+2     28/+3
AKWI4  SOUTH R NEAR ACKWORTH                  29/+3     30/+1     32/+1
BSSI4  CEDAR CR NEAR BUSSEY                   25/+7     30/+4     32/+4
EDYI4  DES MOINES R NEAR EDDYVILLE            61/NC     68/+2     70/+1
OTMI4  DES MOINES R AT OTTUMWA                11/NC     15/+3     19/+4
ATCI4  E NISHNABOTNA R NEAR ATLANTIC          19/+2     23/+2     24/+2
BDFI4  E FK 102 R AT BEDFORD                  24/+3     25/+3     26/+3
DVSI4  THOMPSON R AT DAVIS CITY               12/+3     20/+8     24/+5
CHTI4  CHARITON R NEAR CHARITON             19.5/+1.5   26/+5     29/+6
PRMI4  S FK CHARITON R NEAR PROMISE CITY      25/+7     28/+4     31/+4
MOLI4  CHARITON R NEAR MOULTON                36/+1     37/+1     38/+1


.OTHER INFORMATION...

MORE INFORMATION IS AVAILABLE ON OUR WEB SITE... 
HTTP://WWW.WEATHER.GOV/DESMOINES .


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

     JEFFREY ZOGG
     NATIONAL WEATHER SERVICE FORECAST OFFICE
     9607 NW BEAVER DRIVE
     JOHNSTON IOWA 50131-1908

     PHONE 515-270-4501 X493

$$

ZOGG