River Forecast
Issued by NWS

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845
FGUS56 KRSA 220007
RVFRN

RUSSIAN AND NAPA RIVER FORECAST
NATIONAL WEATHER SERVICE / CALIFORNIA NEVADA RFC / SACRAMENTO CA
CALIFORNIA DEPARTMENT OF WATER RESOURCES / SACRAMENTO CA
404 PM PST THU NOV 21 2024

NEXT ISSUANCE:     THURSDAY, NOVEMBER 21, 2024 AT  9PM PST

FORECASTS THROUGH: TUESDAY, NOVEMBER 26, 2024 AT  5AM PST

ATTENTION... THE FOLLOWING STAGES OF PARTICULAR SIGNIFICANCE
             HAVE OCCURRED OR ARE FORECAST TO OCCUR:

MINOR FLOOD STAGE:
        NAVARRO RIVER - NAVARRO (NVRC1) IN 14 HRS *
        RUSSIAN RIVER - HOPLAND (HOPC1) IN 3 HRS *
        RUSSIAN RIVER - GUERNEVILLE (GUEC1) IN 32 HRS
ACTION/MONITOR STAGE:
        NAPA RIVER - SAINT HELENA (SHEC1) IN 2 HRS *

***********************************************************************
SPECIAL NOTES- Napa River at Saint Helena is expected to rise above monitor
stage momentarily.  Precipitation across Sonoma and Napa has come in heavier
than forecasted.  Will continue to monitor with next scheduled update at 9PM.
***********************************************************************

RIVER
   LOCATION               STAGE    FLOW      TIME    DATE         LEAD
   (NWSLI)                (FT)     (CFS)     (PT)  (MM/DD/YY)     TIME
--------------------     ------- --------    ----  ----------    ------
NAVARRO RIVER        OBS   18.7    7,980 AT   4PM   11/21/24      (18)
   NAVARRO           >MI   23.0          BY   6AM   11/22/24 IN  14 HRS*
   (NVRC1)           >MD   30.0          NOT EXPECTED
                     >MJ   34.0          NOT EXPECTED
                     MAX   27.1   16,000 AT   1PM   11/22/24 IN  21 HRS

RUSSIAN RIVER        OBS   14.7    6,950 AT   4PM   11/21/24      (18)
   HOPLAND           >MI   15.0          BY   7PM   11/21/24 IN   3 HRS*
   (HOPC1)           >MD   23.0          NOT EXPECTED
                     >MJ   26.0          NOT EXPECTED
                     MAX   18.7   11,800 AT   2PM   11/22/24 IN  22 HRS

RUSSIAN RIVER        OBS   14.7   21,400 AT   4PM   11/21/24      (24)
   HEALDSBURG        >AS   20.0          NOT EXPECTED
   (HEAC1)           >MI   23.0          NOT EXPECTED
                     >MD   27.0          NOT EXPECTED
                     >MJ   29.0          NOT EXPECTED
                     MAX   19.5   36,400 AT  11PM   11/22/24 IN  31 HRS

RUSSIAN RIVER        OBS   18.6          AT   4PM   11/21/24      (24)
   GUERNEVILLE       >AS   29.0          BY   3PM   11/22/24 IN  23 HRS*
   (GUEC1)           >MI   32.0          BY  12AM   11/23/24 IN  32 HRS
                     >MD   35.0          NOT EXPECTED
                     >MJ   40.0          NOT EXPECTED
                     MAX   32.6          AT   5AM   11/23/24 IN  37 HRS

NAPA RIVER           OBS   15.7    6,410 AT   4PM   11/21/24      (18)
   SAINT HELENA      >AS   16.0          BY   6PM   11/21/24 IN   2 HRS*
   (SHEC1)           >MI   18.0          NOT EXPECTED
                     >MD   20.0          NOT EXPECTED
                     >MJ   22.0          NOT EXPECTED
                     MAX   16.5    6,990 AT   6PM   11/21/24 IN   2 HRS*

NAPA RIVER           OBS   10.8    2,120 AT   4PM   11/21/24      (24)
   NAPA              >AS   22.0          NOT EXPECTED
   (APCC1)           >MI   25.0          NOT EXPECTED
                     >MD   26.0          NOT EXPECTED
                     >MJ   28.0          NOT EXPECTED
                     MAX   16.2    5,210 AT   9PM   11/21/24 IN   5 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        11/22/2024 @ 0000 UTC

NOTE:      ALL TIMES IN SHEF ENCODED MESSAGES BELOW ARE UTC

.A  NVRC1 20241122 Z DH00/HG   18.7
.ER NVRC1 20241122 Z DH01/DC202411220000/DUE/HGIFE/DIH01
.ER1    18.7/  18.8/  19.0/  19.2/  19.4/  19.6/  19.8/  20.1/  20.4/  20.8/
.ER2    21.4/  22.0/  22.7/  23.6/  24.5/  25.3/  25.9/  26.4/  26.8/  27.1/
.ER3    27.1/  27.1/  26.7/  26.2/  25.3/  24.2/  23.0/  21.9/  21.0/  20.2/
.ER4    19.6/  19.1/  18.6/  18.2/  17.7/  17.3/  16.9/  16.6/  16.2/  15.8/
.ER5    15.5/  15.2/  14.8/  14.4/  14.0/  13.7/  13.3/  13.0/  12.7/  12.4/
.ER6    12.1/  11.8/  11.6/  11.4/  11.2/  11.1/  11.0/  10.8/  10.7/  10.5/
.ER7    10.4/  10.3/  10.1/  10.0/   9.9/   9.8/   9.7/   9.6/   9.5/   9.4/
.ER8     9.3/   9.2/   9.2/   9.1/   9.0/   9.0/   8.9/   8.9/   8.9/   8.9/
.ER9     9.0/   9.0/   9.1/   9.2/   9.2/   9.3/   9.4/   9.5/   9.6/   9.7/
.ER10    9.7/   9.8/   9.8/   9.9/   9.9/  10.0/  10.0/  10.1/  10.1/  10.1/
.ER11   10.2/  10.2/  10.2/  10.2/  10.3/  10.3/  10.3/  10.3/  10.3/

.A  HOPC1 20241122 Z DH00/HG   14.7
.ER HOPC1 20241122 Z DH01/DC202411220000/DUE/HGIFE/DIH01
.ER1    14.7/  15.0/  15.1/  15.1/  15.2/  15.4/  15.7/  16.0/  16.1/  16.0/
.ER2    16.0/  15.9/  15.8/  15.9/  16.2/  16.7/  17.1/  17.6/  18.0/  18.4/
.ER3    18.6/  18.7/  18.5/  18.0/  17.5/  16.7/  16.0/  15.3/  14.3/  13.6/
.ER4    13.2/  12.9/  12.7/  12.5/  12.3/  12.1/  11.8/  11.6/  11.4/  11.2/
.ER5    10.9/  10.6/  10.3/  10.0/   9.8/   9.5/   9.3/   9.0/   8.8/   8.5/
.ER6     8.3/   8.1/   7.9/   7.7/   7.5/   7.3/   7.1/   7.0/   6.8/   6.7/
.ER7     6.6/   6.5/   6.4/   6.3/   6.2/   6.1/   6.0/   5.9/   5.8/   5.8/
.ER8     5.7/   5.7/   5.7/   5.8/   5.8/   5.9/   6.0/   6.1/   6.3/   6.4/
.ER9     6.6/   6.7/   6.9/   7.0/   7.2/   7.3/   7.4/   7.5/   7.6/   7.7/
.ER10    7.7/   7.7/   7.7/   7.7/   7.8/   7.8/   7.8/   7.8/   7.9/   7.9/
.ER11    7.9/   7.9/   8.0/   8.0/   8.0/   8.0/   8.0/   7.9/   7.9/

.A  HEAC1 20241122 Z DH00/HG   14.7
.ER HEAC1 20241122 Z DH01/DC202411220000/DUE/HGIFE/DIH01
.ER1    14.7/  15.2/  15.7/  16.2/  16.5/  16.7/  16.8/  16.7/  16.6/  16.4/
.ER2    16.3/  16.2/  16.2/  16.2/  16.1/  16.1/  16.1/  16.2/  16.4/  16.7/
.ER3    17.2/  17.6/  17.9/  18.2/  18.4/  18.6/  18.8/  19.1/  19.3/  19.4/
.ER4    19.5/  19.4/  19.1/  18.7/  18.3/  17.8/  17.3/  16.8/  16.3/  15.8/
.ER5    15.2/  14.7/  14.3/  13.8/  13.4/  13.0/  12.7/  12.3/  12.0/  11.7/
.ER6    11.3/  11.0/  10.8/  10.5/  10.2/  10.0/   9.8/   9.6/   9.3/   9.1/
.ER7     8.9/   8.7/   8.6/   8.4/   8.3/   8.1/   8.0/   7.9/   7.8/   7.7/
.ER8     7.6/   7.5/   7.4/   7.3/   7.2/   7.2/   7.1/   7.1/   7.0/   7.0/
.ER9     7.0/   7.0/   7.0/   7.0/   7.1/   7.1/   7.2/   7.3/   7.4/   7.4/
.ER10    7.5/   7.7/   7.7/   7.8/   7.9/   8.0/   8.1/   8.1/   8.2/   8.2/
.ER11    8.2/   8.3/   8.3/   8.3/   8.4/   8.4/   8.4/   8.5/   8.5/

.A  GUEC1 20241122 Z DH00/HG   18.6
.ER GUEC1 20241122 Z DH01/DC202411220000/DUE/HGIFE/DIH01
.ER1    18.6/  19.6/  20.7/  21.7/  22.7/  23.6/  24.5/  25.3/  26.0/  26.5/
.ER2    27.0/  27.4/  27.7/  27.9/  28.1/  28.2/  28.3/  28.4/  28.5/  28.6/
.ER3    28.7/  28.9/  29.1/  29.4/  29.7/  30.0/  30.3/  30.7/  31.1/  31.4/
.ER4    31.7/  32.0/  32.3/  32.4/  32.5/  32.6/  32.6/  32.6/  32.5/  32.4/
.ER5    32.2/  32.1/  31.8/  31.6/  31.3/  31.0/  30.7/  30.3/  30.0/  29.6/
.ER6    29.1/  28.7/  28.3/  27.8/  27.3/  26.9/  26.4/  25.9/  25.4/  24.9/
.ER7    24.4/  23.9/  23.4/  22.9/  22.4/  21.9/  21.4/  20.9/  20.4/  19.9/
.ER8    19.4/  18.9/  18.5/  18.0/  17.5/  17.1/  16.7/  16.4/  16.1/  15.8/
.ER9    15.5/  15.2/  15.0/  14.8/  14.7/  14.6/  14.5/  14.4/  14.3/  14.3/
.ER10   14.2/  14.2/  14.3/  14.3/  14.3/  14.4/  14.5/  14.5/  14.6/  14.7/
.ER11   14.8/  14.9/  15.0/  15.0/  15.1/  15.2/  15.3/  15.3/  15.4/
.A  GUEC1 20241123 Z DH00/HIIFE 1

.A  SHEC1 20241122 Z DH00/HG   15.7
.ER SHEC1 20241122 Z DH01/DC202411220000/DUE/HGIFE/DIH01
.ER1    15.7/  16.5/  15.3/  13.3/  11.7/  10.6/   9.7/   9.1/   8.7/   8.3/
.ER2     8.0/   7.7/   7.5/   7.3/   7.2/   7.4/   7.6/   7.7/   7.8/   8.0/
.ER3     8.4/   9.1/   9.6/   9.7/   9.5/   9.4/   9.3/   9.1/   8.9/   8.8/
.ER4     8.7/   8.4/   8.0/   7.7/   7.3/   7.0/   6.8/   6.7/   6.6/   6.5/
.ER5     6.3/   6.1/   5.9/   5.7/   5.5/   5.3/   5.2/   5.0/   4.8/   4.7/
.ER6     4.5/   4.4/   4.3/   4.2/   4.1/   4.0/   4.0/   3.9/   3.8/   3.8/
.ER7     3.7/   3.7/   3.6/   3.6/   3.5/   3.5/   3.4/   3.4/   3.3/   3.3/
.ER8     3.2/   3.2/   3.2/   3.3/   3.3/   3.4/   3.4/   3.4/   3.5/   3.6/
.ER9     3.8/   3.9/   4.0/   4.1/   4.2/   4.3/   4.4/   4.5/   4.5/   4.6/
.ER10    4.6/   4.7/   4.8/   4.8/   4.8/   4.8/   4.8/   4.8/   4.8/   4.8/
.ER11    4.8/   4.9/   5.0/   5.1/   5.2/   5.2/   5.2/   5.2/   5.1/

.A  APCC1 20241122 Z DH00/HG   10.8
.ER APCC1 20241122 Z DH01/DC202411220000/DUE/HGIFE/DIH01
.ER1    10.8/  13.4/  14.9/  15.9/  16.2/  16.2/  16.0/  15.5/  15.0/  14.2/
.ER2    13.7/  13.2/  12.7/  12.3/  12.0/  11.7/  11.4/  11.3/  11.4/  11.6/
.ER3    11.8/  12.0/  12.3/  12.7/  13.2/  13.7/  14.2/  14.5/  14.6/  14.6/
.ER4    14.5/  14.3/  14.1/  13.9/  13.7/  13.4/  13.0/  12.6/  12.1/  11.7/
.ER5    11.4/  11.2/  10.9/  10.5/  10.2/  10.0/   9.7/   9.5/   9.2/   8.9/
.ER6     8.7/   8.4/   8.2/   8.0/   7.8/   7.6/   7.4/   7.2/   7.1/   7.0/
.ER7     6.8/   6.7/   6.6/   6.6/   6.5/   6.4/   6.4/   6.3/   6.3/   6.2/
.ER8     6.1/   6.1/   6.0/   6.0/   6.0/   5.9/   5.9/   5.9/   5.9/   6.0/
.ER9     6.0/   6.1/   6.2/   6.3/   6.4/   6.6/   6.8/   6.9/   7.1/   7.2/
.ER10    7.3/   7.5/   7.6/   7.7/   7.8/   7.9/   8.0/   8.0/   8.1/   8.1/
.ER11    8.1/   8.2/   8.2/   8.3/   8.4/   8.5/   8.5/   8.6/   8.6/

END