National Weather Service California Nevada River Forecast Center Department of Commerce National Oceanic and Atmospheric Administration National Weather Service

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MARK WEST CREEK - MIRABEL HEIGHTS (MWEC1)
Latitude: 38.49º NLongitude: 122.85º WElevation: 50 FeetForecast Type: Unofficial Location
Location: Sonoma County in CaliforniaBulletin Group: Russian NapaRiver Group: Russian Napa
Issuance Time: Apr 25 2026 at 8:45 AM PDTNext Issuance: Apr 26 2026 at 9:00 AM PDT
Action/Monitor: 50.5 FeetMinor Flood: 55.0 FeetModerate Flood: 59.0 FeetMajor Flood: 65.0 Feet
Please Note:

# Tabular Observed and Forecast Hydrograph Information
#
# Location: Mark West Creek - Mirabel Heights (MWEC1)
#
# File Generation Time:  04/25/2026 at 08:46 AM PDT
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  04/23/2026 at 05:00 AM PDT
# Maximum Observed Stage:                       44.15 Feet
# Maximum Observed Flow:                        478 cfs
#
# Earliest Date & Time of Maximum Forecast:     04/25/2026 at 09:00 AM PDT
# Maximum Forecast Stage:                       42.97 Feet
# Maximum Forecast Flow:                        294 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  04/20/2026 08 AM PDT           41.06             74                        Normal
  04/20/2026 09 AM PDT           41.05             73         -              Normal
  04/20/2026 10 AM PDT           41.05             73         0              Normal
  04/20/2026 11 AM PDT           41.04             73         -              Normal
  04/20/2026 12 PM PDT           41.05             73         +              Normal
  04/20/2026 01 PM PDT           41.05             73         0              Normal
  04/20/2026 02 PM PDT           41.07             74         +              Normal
  04/20/2026 03 PM PDT           41.08             75         +              Normal
  04/20/2026 04 PM PDT           41.12             77         +              Normal
  04/20/2026 05 PM PDT           41.22             83         +              Normal
  04/20/2026 06 PM PDT           42.32            196         +              Normal
  04/20/2026 07 PM PDT           43.31            345         +              Normal
  04/20/2026 08 PM PDT           43.87            429         +              Normal
  04/20/2026 09 PM PDT           44.08            465         +              Normal
  04/20/2026 10 PM PDT           44.11            470         +              Normal
  04/20/2026 11 PM PDT           44.01            452         -              Normal
  04/21/2026 12 AM PDT           43.86            428         -              Normal
  04/21/2026 01 AM PDT           43.76            412         -              Normal
  04/21/2026 02 AM PDT           43.78            415         +              Normal
  04/21/2026 03 AM PDT           43.83            423         +              Normal
  04/21/2026 04 AM PDT           43.84            425         +              Normal
  04/21/2026 05 AM PDT           43.79            417         -              Normal
  04/21/2026 06 AM PDT           43.73            408         -              Normal
  04/21/2026 07 AM PDT           43.69            402         -              Normal
  04/21/2026 08 AM PDT           43.66            398         -              Normal
  04/21/2026 09 AM PDT           43.66            398         0              Normal
  04/21/2026 10 AM PDT           43.67            399         +              Normal
  04/21/2026 11 AM PDT           43.66            398         -              Normal
  04/21/2026 12 PM PDT           43.67            399         +              Normal
  04/21/2026 01 PM PDT           43.73            408         +              Normal
  04/21/2026 02 PM PDT           43.92            437         +              Normal
  04/21/2026 03 PM PDT           44.02            454         +              Normal
  04/21/2026 04 PM PDT           44.04            457         +              Normal
  04/21/2026 05 PM PDT           44.00            450         -              Normal
  04/21/2026 06 PM PDT           43.98            447         -              Normal
  04/21/2026 07 PM PDT           43.95            442         -              Normal
  04/21/2026 08 PM PDT           43.91            436         -              Normal
  04/21/2026 09 PM PDT           43.89            432         -              Normal
  04/21/2026 10 PM PDT           43.86            428         -              Normal
  04/21/2026 11 PM PDT           43.83            423         -              Normal
  04/22/2026 12 AM PDT           43.82            422         -              Normal
  04/22/2026 01 AM PDT           43.79            417         -              Normal
  04/22/2026 02 AM PDT           43.78            415         -              Normal
  04/22/2026 03 AM PDT           43.77            414         -              Normal
  04/22/2026 04 AM PDT           43.75            411         -              Normal
  04/22/2026 05 AM PDT           43.75            411         0              Normal
  04/22/2026 06 AM PDT           43.76            412         +              Normal
  04/22/2026 07 AM PDT           43.83            423         +              Normal
  04/22/2026 08 AM PDT           43.99            448         +              Normal
  04/22/2026 09 AM PDT           44.10            469         +              Normal
  04/22/2026 10 AM PDT           44.14            476         +              Normal
  04/22/2026 11 AM PDT           44.13            474         -              Normal
  04/22/2026 12 PM PDT           44.09            467         -              Normal
  04/22/2026 01 PM PDT           44.04            457         -              Normal
  04/22/2026 02 PM PDT           44.02            454         -              Normal
  04/22/2026 03 PM PDT           43.98            447         -              Normal
  04/22/2026 04 PM PDT           43.98            447         0              Normal
  04/22/2026 05 PM PDT           43.99            448         +              Normal
  04/22/2026 06 PM PDT           44.00            450         +              Normal
  04/22/2026 07 PM PDT           44.01            452         +              Normal
  04/22/2026 08 PM PDT           44.03            455         +              Normal
  04/22/2026 09 PM PDT           44.05            459         +              Normal
  04/22/2026 10 PM PDT           44.06            461         +              Normal
  04/22/2026 11 PM PDT           44.08            465         +              Normal
  04/23/2026 12 AM PDT           44.11            470         +              Normal
  04/23/2026 01 AM PDT           44.14            476         +              Normal
  04/23/2026 02 AM PDT           44.13            474         -              Normal
  04/23/2026 03 AM PDT           44.14            476         +              Normal
  04/23/2026 04 AM PDT           44.14            476         0              Normal
  04/23/2026 05 AM PDT           44.15            478         +              Normal
  04/23/2026 06 AM PDT           44.13            474         -              Normal
  04/23/2026 07 AM PDT           44.12            472         -              Normal
  04/23/2026 08 AM PDT           44.12            472         0              Normal
  04/23/2026 09 AM PDT           44.13            474         +              Normal
  04/23/2026 10 AM PDT           44.12            472         -              Normal
  04/23/2026 11 AM PDT           44.10            469         -              Normal
  04/23/2026 12 PM PDT           44.10            469         0              Normal
  04/23/2026 01 PM PDT           44.08            465         -              Normal
  04/23/2026 02 PM PDT           44.04            457         -              Normal
  04/23/2026 03 PM PDT           44.02            454         -              Normal
  04/23/2026 04 PM PDT           44.09            467         +              Normal
  04/23/2026 05 PM PDT           44.02            454         -              Normal
  04/23/2026 06 PM PDT           43.99            448         -              Normal
  04/23/2026 07 PM PDT           43.99            448         0              Normal
  04/23/2026 08 PM PDT           43.95            442         -              Normal
  04/23/2026 09 PM PDT           43.97            445         +              Normal
  04/23/2026 10 PM PDT           43.92            437         -              Normal
  04/23/2026 11 PM PDT           43.90            434         -              Normal
  04/24/2026 12 AM PDT           43.87            429         -              Normal
  04/24/2026 01 AM PDT           43.85            426         -              Normal
  04/24/2026 02 AM PDT           43.83            423         -              Normal
  04/24/2026 03 AM PDT           43.81            420         -              Normal
  04/24/2026 04 AM PDT           43.78            415         -              Normal
  04/24/2026 05 AM PDT           43.76            412         -              Normal
  04/24/2026 06 AM PDT           43.73            408         -              Normal
  04/24/2026 07 AM PDT           43.71            405         -              Normal
  04/24/2026 08 AM PDT           43.69            402         -              Normal
  04/24/2026 09 AM PDT           43.66            398         -              Normal
  04/24/2026 10 AM PDT           43.63            393         -              Normal
  04/24/2026 11 AM PDT           43.61            390         -              Normal
  04/24/2026 12 PM PDT           43.58            386         -              Normal
  04/24/2026 01 PM PDT           43.57            385         -              Normal
  04/24/2026 02 PM PDT           43.55            382         -              Normal
  04/24/2026 03 PM PDT           43.53            379         -              Normal
  04/24/2026 04 PM PDT           43.46            368         -              Normal
  04/24/2026 05 PM PDT           43.46            368         0              Normal
  04/24/2026 06 PM PDT           43.45            367         -              Normal
  04/24/2026 07 PM PDT           43.41            360         -              Normal
  04/24/2026 08 PM PDT           43.39            357         -              Normal
  04/24/2026 09 PM PDT           43.36            352         -              Normal
  04/24/2026 10 PM PDT           43.33            348         -              Normal
  04/24/2026 11 PM PDT           43.31            345         -              Normal
  04/25/2026 12 AM PDT           43.29            342         -              Normal
  04/25/2026 01 AM PDT           43.26            337         -              Normal
  04/25/2026 02 AM PDT           43.25            336         -              Normal
  04/25/2026 03 AM PDT           43.23            333         -              Normal
  04/25/2026 04 AM PDT           43.21            330         -              Normal
  04/25/2026 05 AM PDT           43.18            325         -              Normal
  04/25/2026 06 AM PDT           43.13            318         -              Normal
  04/25/2026 07 AM PDT           43.07            310         -              Normal
  04/25/2026 08 AM PDT           43.02            303         -              Normal
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  04/25/2026 09 AM PDT           42.97            294                        Normal
  04/25/2026 10 AM PDT           42.91            284         -              Normal
  04/25/2026 11 AM PDT           42.86            275         -              Normal
  04/25/2026 12 PM PDT           42.81            267         -              Normal
  04/25/2026 01 PM PDT           42.75            257         -              Normal
  04/25/2026 02 PM PDT           42.70            249         -              Normal
  04/25/2026 03 PM PDT           42.65            242         -              Normal
  04/25/2026 04 PM PDT           42.59            233         -              Normal
  04/25/2026 05 PM PDT           42.54            226         -              Normal
  04/25/2026 06 PM PDT           42.49            219         -              Normal
  04/25/2026 07 PM PDT           42.44            212         -              Normal
  04/25/2026 08 PM PDT           42.38            204         -              Normal
  04/25/2026 09 PM PDT           42.35            200         -              Normal
  04/25/2026 10 PM PDT           42.32            196         -              Normal
  04/25/2026 11 PM PDT           42.28            191         -              Normal
  04/26/2026 12 AM PDT           42.25            188         -              Normal
  04/26/2026 01 AM PDT           42.22            184         -              Normal
  04/26/2026 02 AM PDT           42.19            181         -              Normal
  04/26/2026 03 AM PDT           42.15            176         -              Normal
  04/26/2026 04 AM PDT           42.12            173         -              Normal
  04/26/2026 05 AM PDT           42.09            169         -              Normal
  04/26/2026 06 AM PDT           42.06            166         -              Normal
  04/26/2026 07 AM PDT           42.03            163         -              Normal
  04/26/2026 08 AM PDT           42.00            160         -              Normal
  04/26/2026 09 AM PDT           41.97            156         -              Normal
  04/26/2026 10 AM PDT           41.94            151         -              Normal
  04/26/2026 11 AM PDT           41.91            147         -              Normal
  04/26/2026 12 PM PDT           41.88            143         -              Normal
  04/26/2026 01 PM PDT           41.84            138         -              Normal
  04/26/2026 02 PM PDT           41.81            134         -              Normal
  04/26/2026 03 PM PDT           41.78            130         -              Normal
  04/26/2026 04 PM PDT           41.76            128         -              Normal
  04/26/2026 05 PM PDT           41.73            124         -              Normal
  04/26/2026 06 PM PDT           41.70            121         -              Normal
  04/26/2026 07 PM PDT           41.67            117         -              Normal
  04/26/2026 08 PM PDT           41.64            114         -              Normal
  04/26/2026 09 PM PDT           41.61            111         -              Normal
  04/26/2026 10 PM PDT           41.58            108         -              Normal
  04/26/2026 11 PM PDT           41.55            105         -              Normal
  04/27/2026 12 AM PDT           41.53            103         -              Normal
  04/27/2026 01 AM PDT           41.50            100         -              Normal
  04/27/2026 02 AM PDT           41.48             99         -              Normal
  04/27/2026 03 AM PDT           41.45             97         -              Normal
  04/27/2026 04 AM PDT           41.42             95         -              Normal
  04/27/2026 05 AM PDT           41.40             93         -              Normal
  04/27/2026 06 AM PDT           41.37             92         -              Normal
  04/27/2026 07 AM PDT           41.35             90         -              Normal
  04/27/2026 08 AM PDT           41.32             89         -              Normal
  04/27/2026 09 AM PDT           41.30             87         -              Normal
  04/27/2026 10 AM PDT           41.27             86         -              Normal
  04/27/2026 11 AM PDT           41.25             84         -              Normal
  04/27/2026 12 PM PDT           41.22             83         -              Normal
  04/27/2026 01 PM PDT           41.20             81         -              Normal
  04/27/2026 02 PM PDT           41.18             80         -              Normal
  04/27/2026 03 PM PDT           41.15             79         -              Normal
  04/27/2026 04 PM PDT           41.13             78         -              Normal
  04/27/2026 05 PM PDT           41.11             77         -              Normal
  04/27/2026 06 PM PDT           41.08             75         -              Normal
  04/27/2026 07 PM PDT           41.06             74         -              Normal
  04/27/2026 08 PM PDT           41.04             73         -              Normal
  04/27/2026 09 PM PDT           41.02             72         -              Normal
  04/27/2026 10 PM PDT           40.99             70         -              Normal
  04/27/2026 11 PM PDT           40.97             69         -              Normal
  04/28/2026 12 AM PDT           40.95             69         -              Normal
  04/28/2026 01 AM PDT           40.93             68         -              Normal
  04/28/2026 02 AM PDT           40.91             67         -              Normal
  04/28/2026 03 AM PDT           40.89             66         -              Normal
  04/28/2026 04 AM PDT           40.87             65         -              Normal
  04/28/2026 05 AM PDT           40.85             64         -              Normal
  04/28/2026 06 AM PDT           40.83             63         -              Normal
  04/28/2026 07 AM PDT           40.81             62         -              Normal
  04/28/2026 08 AM PDT           40.79             61         -              Normal
  04/28/2026 09 AM PDT           40.77             60         -              Normal
  04/28/2026 10 AM PDT           40.75             60         -              Normal
  04/28/2026 11 AM PDT           40.73             59         -              Normal
  04/28/2026 12 PM PDT           40.71             58         -              Normal
  04/28/2026 01 PM PDT           40.69             57         -              Normal
  04/28/2026 02 PM PDT           40.68             57         -              Normal
  04/28/2026 03 PM PDT           40.66             56         -              Normal
  04/28/2026 04 PM PDT           40.64             55         -              Normal
  04/28/2026 05 PM PDT           40.62             54         -              Normal
  04/28/2026 06 PM PDT           40.61             54         -              Normal
  04/28/2026 07 PM PDT           40.59             53         -              Normal
  04/28/2026 08 PM PDT           40.58             53         -              Normal
  04/28/2026 09 PM PDT           40.56             52         -              Normal
  04/28/2026 10 PM PDT           40.54             51         -              Normal
  04/28/2026 11 PM PDT           40.53             51         -              Normal
  04/29/2026 12 AM PDT           40.51             50         -              Normal
  04/29/2026 01 AM PDT           40.50             50         -              Normal
  04/29/2026 02 AM PDT           40.48             49         -              Normal
  04/29/2026 03 AM PDT           40.47             48         -              Normal
  04/29/2026 04 AM PDT           40.45             48         -              Normal
  04/29/2026 05 AM PDT           40.44             47         -              Normal
  04/29/2026 06 AM PDT           40.43             47         -              Normal
  04/29/2026 07 AM PDT           40.41             46         -              Normal
  04/29/2026 08 AM PDT           40.40             45         -              Normal
  04/29/2026 09 AM PDT           40.39             45         -              Normal
  04/29/2026 10 AM PDT           40.37             44         -              Normal
  04/29/2026 11 AM PDT           40.36             43         -              Normal
  04/29/2026 12 PM PDT           40.35             43         -              Normal
  04/29/2026 01 PM PDT           40.34             42         -              Normal
  04/29/2026 02 PM PDT           40.32             42         -              Normal
  04/29/2026 03 PM PDT           40.31             41         -              Normal
  04/29/2026 04 PM PDT           40.30             41         -              Normal
  04/29/2026 05 PM PDT           40.29             40         -              Normal
  04/29/2026 06 PM PDT           40.27             40         -              Normal
  04/29/2026 07 PM PDT           40.26             39         -              Normal
  04/29/2026 08 PM PDT           40.25             39         -              Normal
  04/29/2026 09 PM PDT           40.24             38         -              Normal
  04/29/2026 10 PM PDT           40.23             38         -              Normal
  04/29/2026 11 PM PDT           40.22             38         -              Normal
  04/30/2026 12 AM PDT           40.21             37         -              Normal
  04/30/2026 01 AM PDT           40.20             37         -              Normal
  04/30/2026 02 AM PDT           40.19             36         -              Normal
  04/30/2026 03 AM PDT           40.17             36         -              Normal
  04/30/2026 04 AM PDT           40.16             35         -              Normal
  04/30/2026 05 AM PDT           40.15             35         -              Normal
#
# NOTE 1: Stages are rounded to the nearest hundredth (.01) of a foot.
# NOTE 2: Flows are rounded to the nearest (1) cfs.
# NOTE 3: Trends are determined using hourly change in unrounded stage and flow.
# NOTE 4: Maximum Values are determined using unrounded stage and flow.