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 12 2026 at 9:20 AM PDTNext Issuance: Apr 13 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:  04/12/2026 at 09:21 AM PDT
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  04/11/2026 at 10:00 PM PDT
# Maximum Observed Stage:                       43.70 Feet
# Maximum Observed Flow:                        403 cfs
#
# Earliest Date & Time of Maximum Forecast:     04/12/2026 at 06:00 PM PDT
# Maximum Forecast Stage:                       43.04 Feet
# Maximum Forecast Flow:                        305 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  04/07/2026 09 AM PDT           39.94             27                        Normal
  04/07/2026 10 AM PDT           39.93             26         -              Normal
  04/07/2026 11 AM PDT           39.93             26         0              Normal
  04/07/2026 12 PM PDT           39.94             27         +              Normal
  04/07/2026 01 PM PDT           39.93             26         -              Normal
  04/07/2026 02 PM PDT           39.94             27         +              Normal
  04/07/2026 03 PM PDT           39.93             26         -              Normal
  04/07/2026 04 PM PDT           39.93             26         0              Normal
  04/07/2026 05 PM PDT           39.93             26         0              Normal
  04/07/2026 06 PM PDT           39.93             26         0              Normal
  04/07/2026 07 PM PDT           39.92             26         -              Normal
  04/07/2026 08 PM PDT           39.92             26         0              Normal
  04/07/2026 09 PM PDT           39.91             25         -              Normal
  04/07/2026 10 PM PDT           39.91             25         0              Normal
  04/07/2026 11 PM PDT           39.91             25         0              Normal
  04/08/2026 12 AM PDT           39.91             25         0              Normal
  04/08/2026 01 AM PDT           39.90             25         -              Normal
  04/08/2026 02 AM PDT           39.90             25         0              Normal
  04/08/2026 03 AM PDT           39.90             25         0              Normal
  04/08/2026 04 AM PDT           39.90             25         0              Normal
  04/08/2026 05 AM PDT           39.90             25         0              Normal
  04/08/2026 06 AM PDT           39.89             24         -              Normal
  04/08/2026 07 AM PDT           39.90             25         +              Normal
  04/08/2026 08 AM PDT           39.89             24         -              Normal
  04/08/2026 09 AM PDT           39.89             24         0              Normal
  04/08/2026 10 AM PDT           39.90             25         +              Normal
  04/08/2026 11 AM PDT           39.90             25         0              Normal
  04/08/2026 12 PM PDT           39.90             25         0              Normal
  04/08/2026 01 PM PDT           39.90             25         0              Normal
  04/08/2026 02 PM PDT           39.90             25         0              Normal
  04/08/2026 03 PM PDT           39.90             25         0              Normal
  04/08/2026 04 PM PDT           39.90             25         0              Normal
  04/08/2026 05 PM PDT           39.89             24         -              Normal
  04/08/2026 06 PM PDT           39.89             24         0              Normal
  04/08/2026 07 PM PDT           39.89             24         0              Normal
  04/08/2026 08 PM PDT           39.88             24         -              Normal
  04/08/2026 09 PM PDT           39.88             24         0              Normal
  04/08/2026 10 PM PDT           39.87             23         -              Normal
  04/08/2026 11 PM PDT           39.87             23         0              Normal
  04/09/2026 12 AM PDT           39.87             23         0              Normal
  04/09/2026 01 AM PDT           39.86             23         -              Normal
  04/09/2026 02 AM PDT           39.86             23         0              Normal
  04/09/2026 03 AM PDT           39.86             23         0              Normal
  04/09/2026 04 AM PDT           39.86             23         0              Normal
  04/09/2026 05 AM PDT           39.86             23         0              Normal
  04/09/2026 06 AM PDT           39.86             23         0              Normal
  04/09/2026 07 AM PDT           39.85             22         -              Normal
  04/09/2026 08 AM PDT           39.85             22         0              Normal
  04/09/2026 09 AM PDT           39.85             22         0              Normal
  04/09/2026 10 AM PDT           39.86             23         +              Normal
  04/09/2026 11 AM PDT           39.86             23         0              Normal
  04/09/2026 12 PM PDT           39.86             23         0              Normal
  04/09/2026 01 PM PDT           39.86             23         0              Normal
  04/09/2026 02 PM PDT           39.86             23         0              Normal
  04/09/2026 03 PM PDT           39.86             23         0              Normal
  04/09/2026 04 PM PDT           39.86             23         0              Normal
  04/09/2026 05 PM PDT           39.86             23         0              Normal
  04/09/2026 06 PM PDT           39.86             23         0              Normal
  04/09/2026 07 PM PDT           39.86             23         0              Normal
  04/09/2026 08 PM PDT           39.85             22         -              Normal
  04/09/2026 09 PM PDT           39.85             22         0              Normal
  04/09/2026 10 PM PDT           39.85             22         0              Normal
  04/09/2026 11 PM PDT           39.84             22         -              Normal
  04/10/2026 12 AM PDT           39.84             22         0              Normal
  04/10/2026 01 AM PDT           39.84             22         0              Normal
  04/10/2026 02 AM PDT           39.84             22         0              Normal
  04/10/2026 03 AM PDT           39.84             22         0              Normal
  04/10/2026 04 AM PDT           39.84             22         0              Normal
  04/10/2026 05 AM PDT           39.84             22         0              Normal
  04/10/2026 06 AM PDT           39.86             23         +              Normal
  04/10/2026 07 AM PDT           39.88             24         +              Normal
  04/10/2026 08 AM PDT           39.89             24         +              Normal
  04/10/2026 09 AM PDT           39.89             24         0              Normal
  04/10/2026 10 AM PDT           39.90             25         +              Normal
  04/10/2026 11 AM PDT           41.18             80         +              Normal
  04/10/2026 12 PM PDT           41.74            125         +              Normal
  04/10/2026 01 PM PDT           41.65            115         -              Normal
  04/10/2026 02 PM PDT           41.37             92         -              Normal
  04/10/2026 03 PM PDT           41.21             82         -              Normal
  04/10/2026 04 PM PDT           41.26             85         +              Normal
  04/10/2026 05 PM PDT           41.61            111         +              Normal
  04/10/2026 06 PM PDT           41.86            140         +              Normal
  04/10/2026 07 PM PDT           41.89            144         +              Normal
  04/10/2026 08 PM PDT           41.87            142         -              Normal
  04/10/2026 09 PM PDT           41.82            135         -              Normal
  04/10/2026 10 PM PDT           41.74            125         -              Normal
  04/10/2026 11 PM PDT           41.71            122         -              Normal
  04/11/2026 12 AM PDT           41.71            122         0              Normal
  04/11/2026 01 AM PDT           41.67            117         -              Normal
  04/11/2026 02 AM PDT           41.61            111         -              Normal
  04/11/2026 03 AM PDT           41.53            103         -              Normal
  04/11/2026 04 AM PDT           41.48             99         -              Normal
  04/11/2026 05 AM PDT           41.44             96         -              Normal
  04/11/2026 06 AM PDT           41.40             93         -              Normal
  04/11/2026 07 AM PDT           41.36             91         -              Normal
  04/11/2026 08 AM PDT           41.33             89         -              Normal
  04/11/2026 09 AM PDT           41.31             88         -              Normal
  04/11/2026 10 AM PDT           41.29             87         -              Normal
  04/11/2026 11 AM PDT           41.27             86         -              Normal
  04/11/2026 12 PM PDT           41.25             84         -              Normal
  04/11/2026 01 PM PDT           41.23             83         -              Normal
  04/11/2026 02 PM PDT           41.21             82         -              Normal
  04/11/2026 03 PM PDT           41.21             82         0              Normal
  04/11/2026 04 PM PDT           41.23             83         +              Normal
  04/11/2026 05 PM PDT           41.29             87         +              Normal
  04/11/2026 06 PM PDT           41.33             89         +              Normal
  04/11/2026 07 PM PDT           41.35             90         +              Normal
  04/11/2026 08 PM PDT           42.26            189         +              Normal
  04/11/2026 09 PM PDT           43.31            345         +              Normal
  04/11/2026 10 PM PDT           43.70            403         +              Normal
  04/11/2026 11 PM PDT           43.54            381         -              Normal
  04/12/2026 12 AM PDT           43.19            327         -              Normal
  04/12/2026 01 AM PDT           42.91            284         -              Normal
  04/12/2026 02 AM PDT           42.80            265         -              Normal
  04/12/2026 03 AM PDT           42.84            272         +              Normal
  04/12/2026 04 AM PDT           42.97            294         +              Normal
  04/12/2026 05 AM PDT           43.07            310         +              Normal
  04/12/2026 06 AM PDT           43.07            310         0              Normal
  04/12/2026 07 AM PDT           43.02            303         -              Normal
  04/12/2026 08 AM PDT           42.97            294         -              Normal
  04/12/2026 09 AM PDT           42.90            282         -              Normal
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  04/12/2026 10 AM PDT           42.82            268                        Normal
  04/12/2026 11 AM PDT           42.75            257         -              Normal
  04/12/2026 12 PM PDT           42.61            236         -              Normal
  04/12/2026 01 PM PDT           42.48            217         -              Normal
  04/12/2026 02 PM PDT           42.34            199         -              Normal
  04/12/2026 03 PM PDT           42.32            196         -              Normal
  04/12/2026 04 PM PDT           42.29            193         -              Normal
  04/12/2026 05 PM PDT           42.27            190         -              Normal
  04/12/2026 06 PM PDT           43.04            305         +              Normal
  04/12/2026 07 PM PDT           42.91            284         -              Normal
  04/12/2026 08 PM PDT           42.75            257         -              Normal
  04/12/2026 09 PM PDT           42.59            233         -              Normal
  04/12/2026 10 PM PDT           42.44            212         -              Normal
  04/12/2026 11 PM PDT           42.30            194         -              Normal
  04/13/2026 12 AM PDT           42.17            178         -              Normal
  04/13/2026 01 AM PDT           42.06            166         -              Normal
  04/13/2026 02 AM PDT           41.97            156         -              Normal
  04/13/2026 03 AM PDT           41.88            143         -              Normal
  04/13/2026 04 AM PDT           41.82            135         -              Normal
  04/13/2026 05 AM PDT           41.76            128         -              Normal
  04/13/2026 06 AM PDT           41.72            123         -              Normal
  04/13/2026 07 AM PDT           41.68            119         -              Normal
  04/13/2026 08 AM PDT           41.65            115         -              Normal
  04/13/2026 09 AM PDT           41.63            113         -              Normal
  04/13/2026 10 AM PDT           41.61            111         -              Normal
  04/13/2026 11 AM PDT           41.59            109         -              Normal
  04/13/2026 12 PM PDT           41.57            107         -              Normal
  04/13/2026 01 PM PDT           41.56            106         -              Normal
  04/13/2026 02 PM PDT           41.55            105         -              Normal
  04/13/2026 03 PM PDT           41.53            103         -              Normal
  04/13/2026 04 PM PDT           41.52            102         -              Normal
  04/13/2026 05 PM PDT           41.50            100         -              Normal
  04/13/2026 06 PM PDT           41.49             99         -              Normal
  04/13/2026 07 PM PDT           41.47             98         -              Normal
  04/13/2026 08 PM PDT           41.45             97         -              Normal
  04/13/2026 09 PM PDT           41.44             96         -              Normal
  04/13/2026 10 PM PDT           41.42             95         -              Normal
  04/13/2026 11 PM PDT           41.40             93         -              Normal
  04/14/2026 12 AM PDT           41.38             92         -              Normal
  04/14/2026 01 AM PDT           41.36             91         -              Normal
  04/14/2026 02 AM PDT           41.33             89         -              Normal
  04/14/2026 03 AM PDT           41.30             87         -              Normal
  04/14/2026 04 AM PDT           41.28             86         -              Normal
  04/14/2026 05 AM PDT           41.25             84         -              Normal
  04/14/2026 06 AM PDT           41.23             83         -              Normal
  04/14/2026 07 AM PDT           41.20             81         -              Normal
  04/14/2026 08 AM PDT           41.17             80         -              Normal
  04/14/2026 09 AM PDT           41.14             78         -              Normal
  04/14/2026 10 AM PDT           41.11             77         -              Normal
  04/14/2026 11 AM PDT           41.09             76         -              Normal
  04/14/2026 12 PM PDT           41.06             74         -              Normal
  04/14/2026 01 PM PDT           41.03             72         -              Normal
  04/14/2026 02 PM PDT           41.00             71         -              Normal
  04/14/2026 03 PM PDT           40.97             69         -              Normal
  04/14/2026 04 PM PDT           40.94             68         -              Normal
  04/14/2026 05 PM PDT           40.92             67         -              Normal
  04/14/2026 06 PM PDT           40.89             66         -              Normal
  04/14/2026 07 PM PDT           40.86             64         -              Normal
  04/14/2026 08 PM PDT           40.84             63         -              Normal
  04/14/2026 09 PM PDT           40.81             62         -              Normal
  04/14/2026 10 PM PDT           40.78             61         -              Normal
  04/14/2026 11 PM PDT           40.76             60         -              Normal
  04/15/2026 12 AM PDT           40.73             59         -              Normal
  04/15/2026 01 AM PDT           40.70             58         -              Normal
  04/15/2026 02 AM PDT           40.68             57         -              Normal
  04/15/2026 03 AM PDT           40.65             56         -              Normal
  04/15/2026 04 AM PDT           40.63             55         -              Normal
  04/15/2026 05 AM PDT           40.60             54         -              Normal
  04/15/2026 06 AM PDT           40.58             53         -              Normal
  04/15/2026 07 AM PDT           40.56             52         -              Normal
  04/15/2026 08 AM PDT           40.53             51         -              Normal
  04/15/2026 09 AM PDT           40.51             50         -              Normal
  04/15/2026 10 AM PDT           40.49             49         -              Normal
  04/15/2026 11 AM PDT           40.47             48         -              Normal
  04/15/2026 12 PM PDT           40.45             48         -              Normal
  04/15/2026 01 PM PDT           40.42             46         -              Normal
  04/15/2026 02 PM PDT           40.40             45         -              Normal
  04/15/2026 03 PM PDT           40.38             44         -              Normal
  04/15/2026 04 PM PDT           40.36             43         -              Normal
  04/15/2026 05 PM PDT           40.34             42         -              Normal
  04/15/2026 06 PM PDT           40.33             42         -              Normal
  04/15/2026 07 PM PDT           40.31             41         -              Normal
  04/15/2026 08 PM PDT           40.29             40         -              Normal
  04/15/2026 09 PM PDT           40.27             40         -              Normal
  04/15/2026 10 PM PDT           40.26             39         -              Normal
  04/15/2026 11 PM PDT           40.24             38         -              Normal
  04/16/2026 12 AM PDT           40.22             38         -              Normal
  04/16/2026 01 AM PDT           40.21             37         -              Normal
  04/16/2026 02 AM PDT           40.19             36         -              Normal
  04/16/2026 03 AM PDT           40.18             36         -              Normal
  04/16/2026 04 AM PDT           40.16             35         -              Normal
  04/16/2026 05 AM PDT           40.15             35         -              Normal
  04/16/2026 06 AM PDT           40.13             34         -              Normal
  04/16/2026 07 AM PDT           40.12             34         -              Normal
  04/16/2026 08 AM PDT           40.11             34         -              Normal
  04/16/2026 09 AM PDT           40.09             33         -              Normal
  04/16/2026 10 AM PDT           40.08             33         -              Normal
  04/16/2026 11 AM PDT           40.07             32         -              Normal
  04/16/2026 12 PM PDT           40.06             32         -              Normal
  04/16/2026 01 PM PDT           40.05             32         -              Normal
  04/16/2026 02 PM PDT           40.03             31         -              Normal
  04/16/2026 03 PM PDT           40.02             31         -              Normal
  04/16/2026 04 PM PDT           40.01             30         -              Normal
  04/16/2026 05 PM PDT           40.00             30         -              Normal
  04/16/2026 06 PM PDT           39.99             29         -              Normal
  04/16/2026 07 PM PDT           39.98             29         -              Normal
  04/16/2026 08 PM PDT           39.97             28         -              Normal
  04/16/2026 09 PM PDT           39.96             28         -              Normal
  04/16/2026 10 PM PDT           39.95             27         -              Normal
  04/16/2026 11 PM PDT           39.94             27         -              Normal
  04/17/2026 12 AM PDT           39.93             26         -              Normal
  04/17/2026 01 AM PDT           39.92             26         -              Normal
  04/17/2026 02 AM PDT           39.91             25         -              Normal
  04/17/2026 03 AM PDT           39.90             25         -              Normal
  04/17/2026 04 AM PDT           39.90             25         0              Normal
  04/17/2026 05 AM PDT           39.89             24         -              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.