297
NOUS45 KBOU 151838
PNSBOU
COZ030>051-142300-
SERVICE CHANGE NOTICE
NATIONAL WEATHER SERVICE DENVER/BOULDER CO
1238 PM MDT FRI MAY 15 2026
TO:
FAMILY OF SERVICES/FOS/ SUBSCRIBERS...NOAA WEATHER WIRE SERVICE
/NWWS/ SUBSCRIBERS...EMERGENCY MANAGERS WEATHER INFORMATION NETWORK
/EMWIN/ SUBSCRIBERS...NOAAPORT SUBSCRIBERS...NATIONAL WEATHER
SERVICE /NWS/ PARTNERS AND OTHER USERS...AND NWS EMPLOYEES
FROM:
ALDIS STRAUTINS
SENIOR SERVICE HYDROLOGIST
NWS DENVER/BOULDER CO
SUBJECT:
NEW FORECAST SERVICE FOR:
SOUTH PLATTE RIVER NEAR MERINO IN LOGAN COUNTY IN NORTHEAST COLORADO
(MRIC2)
BEGINNING AT NOON ON WEDNESDAY, JUNE 17, 2026, NOAA'S NATIONAL
WEATHER SERVICE (NWS) OFFICE IN DENVER/BOULDER, CO WILL COMMENCE THE
PROVISION OF NEW RIVER FORECAST SERVICE FOR ONE LOCATION IN ITS
SERVICE AREA:
THE SOUTH PLATTE RIVER NEAR MERINO, COLORADO (MRIC2)
THE NEW FORECAST SERVICES AT THE MERINO, CO GAUGE LOCATION (MRIC2)
WILL REPLACE THE FORECAST SERVICES PREVIOUSLY PROVIDED BY THE
ATWOOD, CO GAUGE LOCATION (ATWC2), AS THE ATWOOD, CO GAUGE IS BEING
DISCONTINUED. THE MERINO GAUGE SITE IS 6 MILES UPSTREAM OF THE
ATWOOD GAUGE SITE. THE NEW RIVER FORECAST AND FLOOD WARNING
SERVICES, BASED ON DATA FROM THE MERINO GAUGE WILL PROVIDE FLOODING
FORECASTS FOR AREAS UPSTREAM OF MERINO, FROM THE WASHINGTON AND
LOGAN COUNTY LINE DOWNSTREAM THROUGH STERLING, TO NEAR ILIFF. THESE
NEW FORECAST SERVICES HAVE BEEN COORDINATED WITH OFFICIALS IN LOGAN
COUNTY.
AT MERINO (MRIC2) THE FOLLOWING CATEGORIES HAVE BEEN ESTABLISHED:
ACTION STAGE: 9.0 FEET
FLOOD STAGE: 11.5 FEET
MODERATE FLOOD STAGE: 13.0 FEET
MAJOR FLOOD STAGE: 14.5 FEET.
FORECASTS WILL BE ISSUED WHEN WATER LEVELS ARE EXPECTED TO EXCEED 9
FEET. ADVISORIES WILL ALSO BE ISSUED WHEN WATER LEVELS ARE EXPECTED
TO EXCEED 9.0 FEET. FLOOD WARNINGS WILL BE ISSUED WHEN WATER LEVELS
ARE EXPECTED TO REACH OR EXCEED THE FLOOD STAGE LEVEL OF 11.5 FEET.
AT NOON ON JUNE 17TH, NWS DENVER/BOULDER WILL BEGIN TO ISSUE
HYDROLOGIC PRODUCTS AS NECESSARY THAT MAY INCLUDE SPECIFIC RIVER
FORECASTS AT TIMES OF HIGH WATER. THE HYDROLOGIC PRODUCTS ARE LISTED
IN THE FOLLOWING TABLE:
PRODUCT TYPE WMO HEADER PRODUCT IDENTIFIER
HYDROLOGIC OUTLOOK FGUS75 KBOU MKEESFBOU
FLOOD WATCH WGUS65 KBOU DENFFABOU
FLOOD WARNING WGUS45 KBOU DENFLWBOU
FLOOD STATEMENT WGUS85 KBOU DENFLSBOU
HYDROLOGIC STATEMENT FGUS85 KBOUDENRVSBOU
RIVER SUMMARY SRUS45 KBOU DENRVABOU
AN EXPLICIT LIST OF AFFECTED PRODUCTS AND SAMPLE PRODUCTS ARE POSTED
AT: PRODUCTS.WEATHER.GOV/VIEWLIST.PHP
THE NWS LOCATION IDENTIFIER (NWSLI) FOR THIS LOCATION IS MRIC2.
IN ADDITION TO THE TEXT INFORMATION DETAILED ABOVE, GRAPHICAL
DEPICTIONS OF RIVER AND FLOOD INFORMATION WILL BE AVAILABLE DIRECTLY
AT THE WEBSITE WWW.WATER.NOAA.GOV/WFO/BOU. THIS CAN ALSO BE FOUND
UNDER THE "RIVERS AND LAKES" OPTION ON THE MAIN NWS DENVER/BOULDER
WEB PAGE AT: WWW.WEATHER.GOV/BOU/.
IF YOU HAVE ANY QUESTIONS OR COMMENTS ON THIS NEW SERVICE, PLEASE
CONTACT:
ALDIS STRAUTINS, SENIOR SERVICE HYDROLOGIST
NATIONAL WEATHER SERVICE FORECAST OFFICE
DENVER/BOULDER, CO
325 BROADWAY
BOULDER, CO 80305
PHONE: 303-494-3210 EXT. 493
E-MAIL: ALDIS.STRAUTINS@NOAA.GOV
THIS AND OTHER NWS SERVICE CHANGE NOTICES ARE AVAILABLE ONLINE AT:
HTTP:://WWW.WEATHER.GOV/OM/NOTIF.HTM
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