626
FGUS56 KRSA 200003
RVFRN
RUSSIAN AND NAPA RIVER FORECAST
NATIONAL WEATHER SERVICE / CALIFORNIA NEVADA RFC / SACRAMENTO CA
CALIFORNIA DEPARTMENT OF WATER RESOURCES / SACRAMENTO CA
402 PM PST FRI DEC 19 2025
NEXT ISSUANCE: SATURDAY, DECEMBER 20, 2025 AT 9AM PST
FORECASTS THROUGH: WEDNESDAY, DECEMBER 24, 2025 AT 4AM PST
ATTENTION... THE FOLLOWING STAGES OF PARTICULAR SIGNIFICANCE
HAVE OCCURRED OR ARE FORECAST TO OCCUR:
MINOR FLOOD STAGE:
RUSSIAN RIVER - HOPLAND (HOPC1) IN 104 HRS
***********************************************************************
SPECIAL NOTES- RE-ISSUED TO INCLUDE LATEST OBS FLOW VALUES.
***********************************************************************
RIVER
LOCATION STAGE FLOW TIME DATE LEAD
(NWSLI) (FT) (CFS) (PT) (MM/DD/YY) TIME
-------------------- ------- -------- ---- ---------- ------
NAVARRO RIVER OBS 2.5 73 AT 3PM 12/19/25 (18)
NAVARRO >MI 23.0 NOT EXPECTED
(NVRC1) >MD 30.0 NOT EXPECTED
>MJ 34.0 NOT EXPECTED
MAX 15.9 6,100 AT 4AM 12/24/25 IN 108 HRS
RUSSIAN RIVER OBS 1.5 265 AT 3PM 12/19/25 (18)
HOPLAND >MI 15.0 BY 12AM 12/24/25 IN 104 HRS
(HOPC1) >MD 23.0 NOT EXPECTED
>MJ 26.0 NOT EXPECTED
MAX 15.5 7,130 AT 4AM 12/24/25 IN 108 HRS
RUSSIAN RIVER OBS 0.7 312 AT 3PM 12/19/25 (24)
HEALDSBURG >AS 20.0 NOT EXPECTED
(HEAC1) >MI 23.0 NOT EXPECTED
>MD 27.0 NOT EXPECTED
>MJ 29.0 NOT EXPECTED
MAX 13.1 16,900 AT 4AM 12/24/25 IN 108 HRS
RUSSIAN RIVER OBS 5.6 AT 3PM 12/19/25 (24)
GUERNEVILLE >AS 29.0 NOT EXPECTED
(GUEC1) >MI 32.0 NOT EXPECTED
>MD 35.0 NOT EXPECTED
>MJ 40.0 NOT EXPECTED
MAX 21.7 AT 4AM 12/24/25 IN 108 HRS
NAPA RIVER OBS 1.5 8 AT 3PM 12/19/25 (18)
SAINT HELENA >AS 16.0 NOT EXPECTED
(SHEC1) >MI 18.0 NOT EXPECTED
>MD 20.0 NOT EXPECTED
>MJ 22.0 NOT EXPECTED
MAX 8.8 2,260 AT 4AM 12/24/25 IN 108 HRS
NAPA RIVER OBS 2.6 12 AT 3PM 12/19/25 (24)
NAPA >AS 22.0 NOT EXPECTED
(APCC1) >MI 25.0 NOT EXPECTED
>MD 26.0 NOT EXPECTED
>MJ 28.0 NOT EXPECTED
MAX 13.4 3,430 AT 4AM 12/24/25 IN 108 HRS
DEFINITIONS:
OBS MOST RECENT OBSERVATION (MAY BE ESTIMATED)
AS ACTION/MONITOR STAGE
MI MINOR FLOOD STAGE
MD MODERATE FLOOD STAGE
MJ MAJOR FLOOD STAGE
MAX MAXIMUM FORECAST WITHIN PERIOD
LEAD TIME FORECASTS WITHIN THIS PERIOD (HOURS) ARE CONSIDERED
RELIABLE ENOUGH TO INITIATE PHYSICAL MITIGATION EFFORTS.
* EVENT EXCEEDS AS/MI/MD/MJ WITHIN LEAD TIME PERIOD
SIM 12/19/2025 @ 2358 UTC
NOTE: ALL TIMES IN SHEF ENCODED MESSAGES BELOW ARE UTC
.A NVRC1 20251219 Z DH23/HG 2.5
.ER NVRC1 20251220 Z DH01/DC202512192358/DUE/HGIFE/DIH01
.ER1 2.52/ 2.54/ 2.57/ 2.60/ 2.64/ 2.68/ 2.73/ 2.78/
.ER2 2.84/ 2.88/ 2.92/ 2.94/ 2.94/ 2.91/ 2.87/ 2.81/
.ER3 2.75/ 2.68/ 2.61/ 2.56/ 2.52/ 2.48/ 2.44/ 2.40/
.ER4 2.36/ 2.32/ 2.29/ 2.26/ 2.24/ 2.23/ 2.24/ 2.27/
.ER5 2.34/ 2.46/ 2.66/ 2.95/ 3.38/ 3.74/ 4.16/ 4.67/
.ER6 5.26/ 5.93/ 6.54/ 7.15/ 7.68/ 8.18/ 8.64/ 8.99/
.ER7 9.29/ 9.55/ 10.01/ 10.28/ 10.48/ 10.65/ 10.80/ 11.02/
.ER8 11.10/ 11.16/ 11.19/ 11.20/ 11.20/ 11.18/ 11.13/ 11.05/
.ER9 10.95/ 10.88/ 10.78/ 10.65/ 10.51/ 10.35/ 10.17/ 9.98/
.ER10 9.79/ 9.62/ 9.53/ 9.44/ 9.35/ 9.25/ 9.16/ 9.07/
.ER11 8.99/ 8.92/ 8.86/ 8.82/ 8.80/ 8.81/ 8.85/ 8.92/
.ER12 9.03/ 9.18/ 9.36/ 9.57/ 10.03/ 10.36/ 10.67/ 11.24/
.ER13 11.59/ 11.94/ 12.31/ 12.71/ 13.14/ 13.58/ 14.01/ 14.41/
.ER14 14.80/ 15.19/ 15.57/ 15.95/
.A HOPC1 20251219 Z DH23/HG 1.5
.ER HOPC1 20251220 Z DH01/DC202512192358/DUE/HGIFE/DIH01
.ER1 2.50/ 5.04/ 6.94/ 7.98/ 8.15/ 7.91/ 7.50/ 7.12/
.ER2 6.70/ 6.26/ 5.80/ 5.33/ 4.87/ 4.40/ 4.00/ 3.69/
.ER3 3.46/ 3.28/ 3.12/ 2.98/ 2.84/ 2.71/ 2.60/ 2.50/
.ER4 2.41/ 2.35/ 2.31/ 2.29/ 2.31/ 2.41/ 2.77/ 3.41/
.ER5 4.13/ 4.93/ 5.68/ 6.41/ 7.14/ 7.78/ 8.32/ 8.76/
.ER6 9.12/ 9.36/ 9.50/ 9.61/ 9.70/ 9.80/ 9.91/ 10.01/
.ER7 10.10/ 10.18/ 10.25/ 10.30/ 10.31/ 10.29/ 10.27/ 10.23/
.ER8 10.19/ 10.11/ 9.99/ 9.84/ 9.68/ 9.52/ 9.35/ 9.16/
.ER9 8.94/ 8.69/ 8.45/ 8.22/ 8.01/ 7.84/ 7.70/ 7.57/
.ER10 7.45/ 7.34/ 7.25/ 7.19/ 7.15/ 7.14/ 7.14/ 7.17/
.ER11 7.25/ 7.38/ 7.58/ 7.88/ 8.19/ 8.49/ 8.79/ 9.11/
.ER12 9.44/ 9.80/ 10.15/ 10.50/ 10.88/ 11.32/ 11.89/ 12.47/
.ER13 12.95/ 13.32/ 13.69/ 14.10/ 14.49/ 14.77/ 14.99/ 15.20/
.ER14 15.35/ 15.44/ 15.48/ 15.52/
.A HEAC1 20251219 Z DH23/HG 0.7
.ER HEAC1 20251220 Z DH01/DC202512192358/DUE/HGIFE/DIH01
.ER1 0.67/ 0.67/ 0.67/ 0.67/ 0.68/ 0.69/ 0.69/ 0.70/
.ER2 0.70/ 0.71/ 0.71/ 0.72/ 0.72/ 0.75/ 0.82/ 0.94/
.ER3 1.11/ 1.31/ 1.54/ 1.82/ 2.04/ 2.24/ 2.45/ 2.62/
.ER4 2.75/ 2.85/ 2.91/ 2.95/ 2.97/ 2.98/ 2.99/ 3.02/
.ER5 3.06/ 3.13/ 3.19/ 3.24/ 3.33/ 3.48/ 3.65/ 3.82/
.ER6 3.99/ 4.16/ 4.36/ 4.70/ 5.18/ 5.88/ 6.61/ 7.26/
.ER7 7.76/ 8.15/ 8.46/ 8.69/ 8.89/ 9.07/ 9.22/ 9.35/
.ER8 9.46/ 9.56/ 9.65/ 9.72/ 9.77/ 9.78/ 9.77/ 9.74/
.ER9 9.69/ 9.62/ 9.52/ 9.39/ 9.26/ 9.11/ 8.95/ 8.78/
.ER10 8.61/ 8.46/ 8.31/ 8.18/ 8.06/ 7.94/ 7.84/ 7.75/
.ER11 7.68/ 7.63/ 7.61/ 7.62/ 7.68/ 7.80/ 7.97/ 8.16/
.ER12 8.37/ 8.61/ 8.84/ 9.05/ 9.26/ 9.46/ 9.68/ 9.90/
.ER13 10.13/ 10.39/ 10.63/ 10.89/ 11.16/ 11.44/ 11.71/ 11.98/
.ER14 12.26/ 12.54/ 12.81/ 13.08/
.A HEAC1 20251221 Z DH00/HIIFE 1
.A GUEC1 20251219 Z DH23/HG 5.6
.ER GUEC1 20251220 Z DH01/DC202512192358/DUE/HGIFE/DIH01
.ER1 5.60/ 5.60/ 5.60/ 5.60/ 5.60/ 5.60/ 5.60/ 5.60/
.ER2 5.60/ 5.60/ 5.60/ 5.60/ 5.60/ 5.60/ 5.60/ 5.60/
.ER3 5.60/ 5.60/ 5.60/ 5.60/ 5.60/ 5.60/ 5.60/ 5.60/
.ER4 5.60/ 5.60/ 5.60/ 5.60/ 5.60/ 5.60/ 5.60/ 5.61/
.ER5 5.84/ 6.07/ 6.25/ 6.41/ 6.54/ 6.67/ 6.79/ 6.91/
.ER6 7.04/ 7.21/ 7.41/ 7.67/ 7.99/ 8.34/ 8.65/ 8.97/
.ER7 9.28/ 9.68/ 10.14/ 10.68/ 11.33/ 12.02/ 12.66/ 13.27/
.ER8 13.84/ 14.36/ 14.82/ 15.24/ 15.62/ 15.97/ 16.29/ 16.55/
.ER9 16.78/ 17.00/ 17.19/ 17.36/ 17.50/ 17.61/ 17.68/ 17.73/
.ER10 17.75/ 17.74/ 17.71/ 17.65/ 17.58/ 17.48/ 17.38/ 17.27/
.ER11 17.16/ 17.06/ 16.96/ 16.86/ 16.78/ 16.70/ 16.64/ 16.61/
.ER12 16.61/ 16.63/ 16.69/ 16.79/ 16.92/ 17.09/ 17.30/ 17.55/
.ER13 17.82/ 18.12/ 18.42/ 18.72/ 19.04/ 19.38/ 19.74/ 20.12/
.ER14 20.52/ 20.91/ 21.29/ 21.68/
.A SHEC1 20251219 Z DH23/HG 1.5
.ER SHEC1 20251220 Z DH01/DC202512192358/DUE/HGIFE/DIH01
.ER1 1.50/ 1.53/ 1.57/ 1.61/ 1.63/ 1.64/ 1.64/ 1.63/
.ER2 1.62/ 1.61/ 1.60/ 1.59/ 1.58/ 1.57/ 1.56/ 1.55/
.ER3 1.54/ 1.53/ 1.53/ 1.52/ 1.51/ 1.51/ 1.51/ 1.50/
.ER4 1.50/ 1.50/ 1.51/ 1.53/ 1.55/ 1.58/ 1.60/ 1.65/
.ER5 1.78/ 2.02/ 2.36/ 2.79/ 3.25/ 3.71/ 4.15/ 4.65/
.ER6 4.93/ 5.08/ 5.18/ 5.27/ 5.37/ 5.44/ 5.48/ 5.48/
.ER7 5.48/ 5.51/ 5.60/ 5.69/ 5.73/ 5.74/ 5.76/ 5.78/
.ER8 5.80/ 5.80/ 5.80/ 5.79/ 5.80/ 5.80/ 5.78/ 5.70/
.ER9 5.57/ 5.43/ 5.33/ 5.25/ 5.20/ 5.16/ 5.14/ 5.12/
.ER10 5.10/ 5.08/ 5.08/ 5.09/ 5.14/ 5.18/ 5.22/ 5.27/
.ER11 5.37/ 5.62/ 5.98/ 6.31/ 6.56/ 6.73/ 6.81/ 6.79/
.ER12 6.71/ 6.64/ 6.61/ 6.61/ 6.66/ 6.77/ 6.91/ 7.03/
.ER13 7.13/ 7.22/ 7.33/ 7.47/ 7.62/ 7.74/ 7.86/ 7.97/
.ER14 8.12/ 8.36/ 8.59/ 8.76/
.A APCC1 20251219 Z DH23/HG 2.6
.ER APCC1 20251220 Z DH01/DC202512192358/DUE/HGIFE/DIH01
.ER1 2.68/ 2.74/ 2.81/ 2.86/ 2.90/ 2.92/ 2.93/ 2.92/
.ER2 2.91/ 2.90/ 2.89/ 2.90/ 2.89/ 2.88/ 2.87/ 2.86/
.ER3 2.85/ 2.83/ 2.82/ 2.80/ 2.79/ 2.78/ 2.77/ 2.77/
.ER4 2.78/ 2.81/ 2.84/ 2.87/ 2.90/ 2.94/ 2.99/ 3.05/
.ER5 3.12/ 3.18/ 3.23/ 3.27/ 3.32/ 3.37/ 3.43/ 3.52/
.ER6 3.65/ 3.85/ 4.32/ 4.93/ 5.52/ 6.00/ 6.40/ 6.80/
.ER7 7.26/ 7.70/ 8.04/ 8.29/ 8.51/ 8.72/ 8.90/ 9.06/
.ER8 9.18/ 9.27/ 9.34/ 9.42/ 9.49/ 9.55/ 9.59/ 9.61/
.ER9 9.62/ 9.61/ 9.57/ 9.51/ 9.43/ 9.35/ 9.26/ 9.18/
.ER10 9.10/ 9.03/ 8.98/ 8.94/ 8.91/ 8.90/ 8.91/ 8.94/
.ER11 8.97/ 9.03/ 9.13/ 9.29/ 9.53/ 9.81/ 10.09/ 10.35/
.ER12 10.60/ 10.79/ 10.91/ 10.98/ 11.02/ 11.04/ 11.09/ 11.17/
.ER13 11.29/ 11.44/ 11.58/ 11.72/ 11.88/ 12.08/ 12.32/ 12.57/
.ER14 12.79/ 12.97/ 13.16/ 13.39/
.A APCC1 20251221 Z DH00/HIIFE 1
END
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