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 29 2026 at 7:28 AM PDTNext Issuance: Apr 30 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:  04/29/2026 at 07:29 AM PDT
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  04/24/2026 at 07:00 AM PDT
# Maximum Observed Stage:                       43.71 Feet
# Maximum Observed Flow:                        405 cfs
#
# Earliest Date & Time of Maximum Forecast:     04/29/2026 at 08:00 AM PDT
# Maximum Forecast Stage:                       41.45 Feet
# Maximum Forecast Flow:                        97 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  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           43.16            322         -              Normal
  04/25/2026 07 AM PDT           43.14            319         -              Normal
  04/25/2026 08 AM PDT           43.12            317         -              Normal
  04/25/2026 09 AM PDT           43.09            312         -              Normal
  04/25/2026 10 AM PDT           43.07            310         -              Normal
  04/25/2026 11 AM PDT           43.05            307         -              Normal
  04/25/2026 12 PM PDT           43.02            303         -              Normal
  04/25/2026 01 PM PDT           43.00            300         -              Normal
  04/25/2026 02 PM PDT           42.98            296         -              Normal
  04/25/2026 03 PM PDT           42.93            287         -              Normal
  04/25/2026 04 PM PDT           42.92            286         -              Normal
  04/25/2026 05 PM PDT           42.90            282         -              Normal
  04/25/2026 06 PM PDT           42.89            280         -              Normal
  04/25/2026 07 PM PDT           42.84            272         -              Normal
  04/25/2026 08 PM PDT           42.83            270         -              Normal
  04/25/2026 09 PM PDT           42.82            268         -              Normal
  04/25/2026 10 PM PDT           42.79            263         -              Normal
  04/25/2026 11 PM PDT           42.82            268         +              Normal
  04/26/2026 12 AM PDT           42.81            267         -              Normal
  04/26/2026 01 AM PDT           42.77            260         -              Normal
  04/26/2026 02 AM PDT           42.75            257         -              Normal
  04/26/2026 03 AM PDT           42.73            254         -              Normal
  04/26/2026 04 AM PDT           42.70            249         -              Normal
  04/26/2026 05 AM PDT           42.68            246         -              Normal
  04/26/2026 06 AM PDT           42.65            242         -              Normal
  04/26/2026 07 AM PDT           42.61            236         -              Normal
  04/26/2026 08 AM PDT           42.59            233         -              Normal
  04/26/2026 09 AM PDT           42.57            230         -              Normal
  04/26/2026 10 AM PDT           42.54            226         -              Normal
  04/26/2026 11 AM PDT           42.54            226         0              Normal
  04/26/2026 12 PM PDT           42.54            226         0              Normal
  04/26/2026 01 PM PDT           42.51            221         -              Normal
  04/26/2026 02 PM PDT           42.49            219         -              Normal
  04/26/2026 03 PM PDT           42.47            216         -              Normal
  04/26/2026 04 PM PDT           42.46            214         -              Normal
  04/26/2026 05 PM PDT           42.44            212         -              Normal
  04/26/2026 06 PM PDT           42.42            209         -              Normal
  04/26/2026 07 PM PDT           42.40            206         -              Normal
  04/26/2026 08 PM PDT           42.37            203         -              Normal
  04/26/2026 09 PM PDT           42.31            195         -              Normal
  04/26/2026 10 PM PDT           42.30            194         -              Normal
  04/26/2026 11 PM PDT           42.28            191         -              Normal
  04/27/2026 12 AM PDT           42.26            189         -              Normal
  04/27/2026 01 AM PDT           42.23            185         -              Normal
  04/27/2026 02 AM PDT           42.21            183         -              Normal
  04/27/2026 03 AM PDT           42.20            182         -              Normal
  04/27/2026 04 AM PDT           42.18            180         -              Normal
  04/27/2026 05 AM PDT           42.16            177         -              Normal
  04/27/2026 06 AM PDT           42.14            175         -              Normal
  04/27/2026 07 AM PDT           42.12            173         -              Normal
  04/27/2026 08 AM PDT           42.10            171         -              Normal
  04/27/2026 09 AM PDT           42.08            168         -              Normal
  04/27/2026 10 AM PDT           42.07            167         -              Normal
  04/27/2026 11 AM PDT           42.05            165         -              Normal
  04/27/2026 12 PM PDT           42.04            164         -              Normal
  04/27/2026 01 PM PDT           42.02            162         -              Normal
  04/27/2026 02 PM PDT           42.01            161         -              Normal
  04/27/2026 03 PM PDT           41.99            159         -              Normal
  04/27/2026 04 PM PDT           41.99            159         0              Normal
  04/27/2026 05 PM PDT           41.94            151         -              Normal
  04/27/2026 06 PM PDT           41.94            151         0              Normal
  04/27/2026 07 PM PDT           41.93            150         -              Normal
  04/27/2026 08 PM PDT           41.90            146         -              Normal
  04/27/2026 09 PM PDT           41.88            143         -              Normal
  04/27/2026 10 PM PDT           41.87            142         -              Normal
  04/27/2026 11 PM PDT           41.85            139         -              Normal
  04/28/2026 12 AM PDT           41.83            136         -              Normal
  04/28/2026 01 AM PDT           41.82            135         -              Normal
  04/28/2026 02 AM PDT           41.81            134         -              Normal
  04/28/2026 03 AM PDT           41.79            131         -              Normal
  04/28/2026 04 AM PDT           41.78            130         -              Normal
  04/28/2026 05 AM PDT           41.76            128         -              Normal
  04/28/2026 06 AM PDT           41.75            127         -              Normal
  04/28/2026 07 AM PDT           41.74            125         -              Normal
  04/28/2026 08 AM PDT           41.72            123         -              Normal
  04/28/2026 09 AM PDT           41.71            122         -              Normal
  04/28/2026 10 AM PDT           41.70            121         -              Normal
  04/28/2026 11 AM PDT           41.70            121         0              Normal
  04/28/2026 12 PM PDT           41.69            120         -              Normal
  04/28/2026 01 PM PDT           41.68            119         -              Normal
  04/28/2026 02 PM PDT           41.66            116         -              Normal
  04/28/2026 03 PM PDT           41.65            115         -              Normal
  04/28/2026 04 PM PDT           41.64            114         -              Normal
  04/28/2026 05 PM PDT           41.61            111         -              Normal
  04/28/2026 06 PM PDT           41.61            111         0              Normal
  04/28/2026 07 PM PDT           41.59            109         -              Normal
  04/28/2026 08 PM PDT           41.58            108         -              Normal
  04/28/2026 09 PM PDT           41.56            106         -              Normal
  04/28/2026 10 PM PDT           41.54            104         -              Normal
  04/28/2026 11 PM PDT           41.53            103         -              Normal
  04/29/2026 12 AM PDT           41.52            102         -              Normal
  04/29/2026 01 AM PDT           41.52            102         0              Normal
  04/29/2026 02 AM PDT           41.53            103         +              Normal
  04/29/2026 03 AM PDT           41.52            102         -              Normal
  04/29/2026 04 AM PDT           41.50            100         -              Normal
  04/29/2026 05 AM PDT           41.49             99         -              Normal
  04/29/2026 06 AM PDT           41.47             98         -              Normal
  04/29/2026 07 AM PDT           41.46             97         -              Normal
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  04/29/2026 08 AM PDT           41.45             97                        Normal
  04/29/2026 09 AM PDT           41.43             95         -              Normal
  04/29/2026 10 AM PDT           41.42             95         -              Normal
  04/29/2026 11 AM PDT           41.40             93         -              Normal
  04/29/2026 12 PM PDT           41.39             93         -              Normal
  04/29/2026 01 PM PDT           41.38             92         -              Normal
  04/29/2026 02 PM PDT           41.37             92         -              Normal
  04/29/2026 03 PM PDT           41.35             90         -              Normal
  04/29/2026 04 PM PDT           41.34             90         -              Normal
  04/29/2026 05 PM PDT           41.33             89         -              Normal
  04/29/2026 06 PM PDT           41.31             88         -              Normal
  04/29/2026 07 PM PDT           41.30             87         -              Normal
  04/29/2026 08 PM PDT           41.29             87         -              Normal
  04/29/2026 09 PM PDT           41.28             86         -              Normal
  04/29/2026 10 PM PDT           41.27             86         -              Normal
  04/29/2026 11 PM PDT           41.26             85         -              Normal
  04/30/2026 12 AM PDT           41.24             84         -              Normal
  04/30/2026 01 AM PDT           41.23             83         -              Normal
  04/30/2026 02 AM PDT           41.22             83         -              Normal
  04/30/2026 03 AM PDT           41.21             82         -              Normal
  04/30/2026 04 AM PDT           41.20             81         -              Normal
  04/30/2026 05 AM PDT           41.19             81         -              Normal
  04/30/2026 06 AM PDT           41.18             80         -              Normal
  04/30/2026 07 AM PDT           41.17             80         -              Normal
  04/30/2026 08 AM PDT           41.16             79         -              Normal
  04/30/2026 09 AM PDT           41.15             79         -              Normal
  04/30/2026 10 AM PDT           41.14             78         -              Normal
  04/30/2026 11 AM PDT           41.13             78         -              Normal
  04/30/2026 12 PM PDT           41.12             77         -              Normal
  04/30/2026 01 PM PDT           41.11             77         -              Normal
  04/30/2026 02 PM PDT           41.10             76         -              Normal
  04/30/2026 03 PM PDT           41.09             76         -              Normal
  04/30/2026 04 PM PDT           41.08             75         -              Normal
  04/30/2026 05 PM PDT           41.07             74         -              Normal
  04/30/2026 06 PM PDT           41.06             74         -              Normal
  04/30/2026 07 PM PDT           41.05             73         -              Normal
  04/30/2026 08 PM PDT           41.04             73         -              Normal
  04/30/2026 09 PM PDT           41.03             72         -              Normal
  04/30/2026 10 PM PDT           41.02             72         -              Normal
  04/30/2026 11 PM PDT           41.01             71         -              Normal
  05/01/2026 12 AM PDT           41.00             71         -              Normal
  05/01/2026 01 AM PDT           41.00             71         0              Normal
  05/01/2026 02 AM PDT           40.99             70         -              Normal
  05/01/2026 03 AM PDT           40.98             70         -              Normal
  05/01/2026 04 AM PDT           40.97             69         -              Normal
  05/01/2026 05 AM PDT           40.96             69         -              Normal
  05/01/2026 06 AM PDT           40.95             69         -              Normal
  05/01/2026 07 AM PDT           40.95             69         0              Normal
  05/01/2026 08 AM PDT           40.94             68         -              Normal
  05/01/2026 09 AM PDT           40.93             68         -              Normal
  05/01/2026 10 AM PDT           40.92             67         -              Normal
  05/01/2026 11 AM PDT           40.91             67         -              Normal
  05/01/2026 12 PM PDT           40.91             67         0              Normal
  05/01/2026 01 PM PDT           40.90             66         -              Normal
  05/01/2026 02 PM PDT           40.89             66         -              Normal
  05/01/2026 03 PM PDT           40.88             65         -              Normal
  05/01/2026 04 PM PDT           40.88             65         0              Normal
  05/01/2026 05 PM PDT           40.87             65         -              Normal
  05/01/2026 06 PM PDT           40.86             64         -              Normal
  05/01/2026 07 PM PDT           40.85             64         -              Normal
  05/01/2026 08 PM PDT           40.85             64         0              Normal
  05/01/2026 09 PM PDT           40.84             63         -              Normal
  05/01/2026 10 PM PDT           40.83             63         -              Normal
  05/01/2026 11 PM PDT           40.83             63         0              Normal
  05/02/2026 12 AM PDT           40.82             63         -              Normal
  05/02/2026 01 AM PDT           40.81             62         -              Normal
  05/02/2026 02 AM PDT           40.80             62         -              Normal
  05/02/2026 03 AM PDT           40.80             62         0              Normal
  05/02/2026 04 AM PDT           40.79             61         -              Normal
  05/02/2026 05 AM PDT           40.78             61         -              Normal
  05/02/2026 06 AM PDT           40.78             61         0              Normal
  05/02/2026 07 AM PDT           40.77             60         -              Normal
  05/02/2026 08 AM PDT           40.77             60         0              Normal
  05/02/2026 09 AM PDT           40.76             60         -              Normal
  05/02/2026 10 AM PDT           40.75             60         -              Normal
  05/02/2026 11 AM PDT           40.75             60         0              Normal
  05/02/2026 12 PM PDT           40.74             59         -              Normal
  05/02/2026 01 PM PDT           40.73             59         -              Normal
  05/02/2026 02 PM PDT           40.73             59         0              Normal
  05/02/2026 03 PM PDT           40.72             58         -              Normal
  05/02/2026 04 PM PDT           40.72             58         0              Normal
  05/02/2026 05 PM PDT           40.71             58         -              Normal
  05/02/2026 06 PM PDT           40.70             58         -              Normal
  05/02/2026 07 PM PDT           40.70             58         0              Normal
  05/02/2026 08 PM PDT           40.69             57         -              Normal
  05/02/2026 09 PM PDT           40.69             57         0              Normal
  05/02/2026 10 PM PDT           40.68             57         -              Normal
  05/02/2026 11 PM PDT           40.67             56         -              Normal
  05/03/2026 12 AM PDT           40.67             56         0              Normal
  05/03/2026 01 AM PDT           40.66             56         -              Normal
  05/03/2026 02 AM PDT           40.66             56         0              Normal
  05/03/2026 03 AM PDT           40.65             56         -              Normal
  05/03/2026 04 AM PDT           40.65             56         0              Normal
  05/03/2026 05 AM PDT           40.64             55         -              Normal
  05/03/2026 06 AM PDT           40.64             55         0              Normal
  05/03/2026 07 AM PDT           40.63             55         -              Normal
  05/03/2026 08 AM PDT           40.63             55         0              Normal
  05/03/2026 09 AM PDT           40.62             54         -              Normal
  05/03/2026 10 AM PDT           40.62             54         0              Normal
  05/03/2026 11 AM PDT           40.61             54         -              Normal
  05/03/2026 12 PM PDT           40.60             54         -              Normal
  05/03/2026 01 PM PDT           40.60             54         0              Normal
  05/03/2026 02 PM PDT           40.59             53         -              Normal
  05/03/2026 03 PM PDT           40.59             53         0              Normal
  05/03/2026 04 PM PDT           40.59             53         0              Normal
  05/03/2026 05 PM PDT           40.58             53         -              Normal
  05/03/2026 06 PM PDT           40.57             53         -              Normal
  05/03/2026 07 PM PDT           40.57             53         0              Normal
  05/03/2026 08 PM PDT           40.56             52         -              Normal
  05/03/2026 09 PM PDT           40.56             52         0              Normal
  05/03/2026 10 PM PDT           40.55             52         -              Normal
  05/03/2026 11 PM PDT           40.55             52         0              Normal
  05/04/2026 12 AM PDT           40.54             51         -              Normal
  05/04/2026 01 AM PDT           40.54             51         0              Normal
  05/04/2026 02 AM PDT           40.53             51         -              Normal
  05/04/2026 03 AM PDT           40.53             51         0              Normal
  05/04/2026 04 AM PDT           40.52             51         -              Normal
  05/04/2026 05 AM PDT           40.52             51         0              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.