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: May 15 2026 at 7:20 AM PDTNext Issuance: May 16 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:  05/15/2026 at 07:21 AM PDT
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  05/10/2026 at 07:00 AM PDT
# Maximum Observed Stage:                       40.54 Feet
# Maximum Observed Flow:                        51 cfs
#
# Earliest Date & Time of Maximum Forecast:     05/15/2026 at 08:00 AM PDT
# Maximum Forecast Stage:                       40.10 Feet
# Maximum Forecast Flow:                        33 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  05/10/2026 07 AM PDT           40.54             51                        Normal
  05/10/2026 08 AM PDT           40.53             51         -              Normal
  05/10/2026 09 AM PDT           40.53             51         0              Normal
  05/10/2026 10 AM PDT           40.53             51         0              Normal
  05/10/2026 11 AM PDT           40.52             51         -              Normal
  05/10/2026 12 PM PDT           40.52             51         0              Normal
  05/10/2026 01 PM PDT           40.52             51         0              Normal
  05/10/2026 02 PM PDT           40.52             51         0              Normal
  05/10/2026 03 PM PDT           40.52             51         0              Normal
  05/10/2026 04 PM PDT           40.51             50         -              Normal
  05/10/2026 05 PM PDT           40.51             50         0              Normal
  05/10/2026 06 PM PDT           40.50             50         -              Normal
  05/10/2026 07 PM PDT           40.49             49         -              Normal
  05/10/2026 08 PM PDT           40.49             49         0              Normal
  05/10/2026 09 PM PDT           40.48             49         -              Normal
  05/10/2026 10 PM PDT           40.47             48         -              Normal
  05/10/2026 11 PM PDT           40.47             48         0              Normal
  05/11/2026 12 AM PDT           40.46             48         -              Normal
  05/11/2026 01 AM PDT           40.46             48         0              Normal
  05/11/2026 02 AM PDT           40.46             48         0              Normal
  05/11/2026 03 AM PDT           40.45             48         -              Normal
  05/11/2026 04 AM PDT           40.45             48         0              Normal
  05/11/2026 05 AM PDT           40.45             48         0              Normal
  05/11/2026 06 AM PDT           40.44             47         -              Normal
  05/11/2026 07 AM PDT           40.44             47         0              Normal
  05/11/2026 08 AM PDT           40.44             47         0              Normal
  05/11/2026 09 AM PDT           40.44             47         0              Normal
  05/11/2026 10 AM PDT           40.44             47         0              Normal
  05/11/2026 11 AM PDT           40.43             47         -              Normal
  05/11/2026 12 PM PDT           40.43             47         0              Normal
  05/11/2026 01 PM PDT           40.43             47         0              Normal
  05/11/2026 02 PM PDT           40.43             47         0              Normal
  05/11/2026 03 PM PDT           40.43             47         0              Normal
  05/11/2026 04 PM PDT           40.42             46         -              Normal
  05/11/2026 05 PM PDT           40.42             46         0              Normal
  05/11/2026 06 PM PDT           40.41             46         -              Normal
  05/11/2026 07 PM PDT           40.40             45         -              Normal
  05/11/2026 08 PM PDT           40.40             45         0              Normal
  05/11/2026 09 PM PDT           40.39             45         -              Normal
  05/11/2026 10 PM PDT           40.38             44         -              Normal
  05/11/2026 11 PM PDT           40.38             44         0              Normal
  05/12/2026 12 AM PDT           40.38             44         0              Normal
  05/12/2026 01 AM PDT           40.37             44         -              Normal
  05/12/2026 02 AM PDT           40.37             44         0              Normal
  05/12/2026 03 AM PDT           40.37             44         0              Normal
  05/12/2026 04 AM PDT           40.36             43         -              Normal
  05/12/2026 05 AM PDT           40.36             43         0              Normal
  05/12/2026 06 AM PDT           40.36             43         0              Normal
  05/12/2026 07 AM PDT           40.36             43         0              Normal
  05/12/2026 08 AM PDT           40.36             43         0              Normal
  05/12/2026 09 AM PDT           40.35             43         -              Normal
  05/12/2026 10 AM PDT           40.36             43         +              Normal
  05/12/2026 11 AM PDT           40.35             43         -              Normal
  05/12/2026 12 PM PDT           40.35             43         0              Normal
  05/12/2026 01 PM PDT           40.35             43         0              Normal
  05/12/2026 02 PM PDT           40.35             43         0              Normal
  05/12/2026 03 PM PDT           40.34             42         -              Normal
  05/12/2026 04 PM PDT           40.34             42         0              Normal
  05/12/2026 05 PM PDT           40.34             42         0              Normal
  05/12/2026 06 PM PDT           40.33             42         -              Normal
  05/12/2026 07 PM PDT           40.32             42         -              Normal
  05/12/2026 08 PM PDT           40.32             42         0              Normal
  05/12/2026 09 PM PDT           40.31             41         -              Normal
  05/12/2026 10 PM PDT           40.31             41         0              Normal
  05/12/2026 11 PM PDT           40.30             41         -              Normal
  05/13/2026 12 AM PDT           40.30             41         0              Normal
  05/13/2026 01 AM PDT           40.29             40         -              Normal
  05/13/2026 02 AM PDT           40.29             40         0              Normal
  05/13/2026 03 AM PDT           40.28             40         -              Normal
  05/13/2026 04 AM PDT           40.29             40         +              Normal
  05/13/2026 05 AM PDT           40.28             40         -              Normal
  05/13/2026 06 AM PDT           40.28             40         0              Normal
  05/13/2026 07 AM PDT           40.28             40         0              Normal
  05/13/2026 08 AM PDT           40.28             40         0              Normal
  05/13/2026 09 AM PDT           40.27             40         -              Normal
  05/13/2026 10 AM PDT           40.27             40         0              Normal
  05/13/2026 11 AM PDT           40.27             40         0              Normal
  05/13/2026 12 PM PDT           40.27             40         0              Normal
  05/13/2026 01 PM PDT           40.27             40         0              Normal
  05/13/2026 02 PM PDT           40.26             39         -              Normal
  05/13/2026 03 PM PDT           40.26             39         0              Normal
  05/13/2026 04 PM PDT           40.26             39         0              Normal
  05/13/2026 05 PM PDT           40.25             39         -              Normal
  05/13/2026 06 PM PDT           40.24             38         -              Normal
  05/13/2026 07 PM PDT           40.24             38         0              Normal
  05/13/2026 08 PM PDT           40.23             38         -              Normal
  05/13/2026 09 PM PDT           40.22             38         -              Normal
  05/13/2026 10 PM PDT           40.21             37         -              Normal
  05/13/2026 11 PM PDT           40.21             37         0              Normal
  05/14/2026 12 AM PDT           40.20             37         -              Normal
  05/14/2026 01 AM PDT           40.20             37         0              Normal
  05/14/2026 02 AM PDT           40.19             36         -              Normal
  05/14/2026 03 AM PDT           40.19             36         0              Normal
  05/14/2026 04 AM PDT           40.19             36         0              Normal
  05/14/2026 05 AM PDT           40.18             36         -              Normal
  05/14/2026 06 AM PDT           40.18             36         0              Normal
  05/14/2026 07 AM PDT           40.18             36         0              Normal
  05/14/2026 08 AM PDT           40.18             36         0              Normal
  05/14/2026 09 AM PDT           40.18             36         0              Normal
  05/14/2026 10 AM PDT           40.18             36         0              Normal
  05/14/2026 11 AM PDT           40.18             36         0              Normal
  05/14/2026 12 PM PDT           40.18             36         0              Normal
  05/14/2026 01 PM PDT           40.18             36         0              Normal
  05/14/2026 02 PM PDT           40.18             36         0              Normal
  05/14/2026 03 PM PDT           40.17             36         -              Normal
  05/14/2026 04 PM PDT           40.16             35         -              Normal
  05/14/2026 05 PM PDT           40.16             35         0              Normal
  05/14/2026 06 PM PDT           40.16             35         0              Normal
  05/14/2026 07 PM PDT           40.16             35         0              Normal
  05/14/2026 08 PM PDT           40.15             35         -              Normal
  05/14/2026 09 PM PDT           40.15             35         0              Normal
  05/14/2026 10 PM PDT           40.14             35         -              Normal
  05/14/2026 11 PM PDT           40.13             34         -              Normal
  05/15/2026 12 AM PDT           40.13             34         0              Normal
  05/15/2026 01 AM PDT           40.12             34         -              Normal
  05/15/2026 02 AM PDT           40.12             34         0              Normal
  05/15/2026 03 AM PDT           40.12             34         0              Normal
  05/15/2026 04 AM PDT           40.11             34         -              Normal
  05/15/2026 05 AM PDT           40.11             34         0              Normal
  05/15/2026 06 AM PDT           40.11             34         0              Normal
  05/15/2026 07 AM PDT           40.10             33         -              Normal
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  05/15/2026 08 AM PDT           40.10             33                        Normal
  05/15/2026 09 AM PDT           40.10             33         0              Normal
  05/15/2026 10 AM PDT           40.09             33         -              Normal
  05/15/2026 11 AM PDT           40.09             33         0              Normal
  05/15/2026 12 PM PDT           40.09             33         0              Normal
  05/15/2026 01 PM PDT           40.08             33         -              Normal
  05/15/2026 02 PM PDT           40.08             33         0              Normal
  05/15/2026 03 PM PDT           40.08             33         0              Normal
  05/15/2026 04 PM PDT           40.08             33         0              Normal
  05/15/2026 05 PM PDT           40.07             32         -              Normal
  05/15/2026 06 PM PDT           40.06             32         -              Normal
  05/15/2026 07 PM PDT           40.06             32         0              Normal
  05/15/2026 08 PM PDT           40.06             32         0              Normal
  05/15/2026 09 PM PDT           40.06             32         0              Normal
  05/15/2026 10 PM PDT           40.05             32         -              Normal
  05/15/2026 11 PM PDT           40.05             32         0              Normal
  05/16/2026 12 AM PDT           40.05             32         0              Normal
  05/16/2026 01 AM PDT           40.04             31         -              Normal
  05/16/2026 02 AM PDT           40.04             31         0              Normal
  05/16/2026 03 AM PDT           40.04             31         0              Normal
  05/16/2026 04 AM PDT           40.04             31         0              Normal
  05/16/2026 05 AM PDT           40.03             31         -              Normal
  05/16/2026 06 AM PDT           40.03             31         0              Normal
  05/16/2026 07 AM PDT           40.03             31         0              Normal
  05/16/2026 08 AM PDT           40.03             31         0              Normal
  05/16/2026 09 AM PDT           40.02             31         -              Normal
  05/16/2026 10 AM PDT           40.02             31         0              Normal
  05/16/2026 11 AM PDT           40.02             31         0              Normal
  05/16/2026 12 PM PDT           40.02             31         0              Normal
  05/16/2026 01 PM PDT           40.01             30         -              Normal
  05/16/2026 02 PM PDT           40.01             30         0              Normal
  05/16/2026 03 PM PDT           40.01             30         0              Normal
  05/16/2026 04 PM PDT           40.01             30         0              Normal
  05/16/2026 05 PM PDT           40.00             30         -              Normal
  05/16/2026 06 PM PDT           40.00             30         0              Normal
  05/16/2026 07 PM PDT           40.00             30         0              Normal
  05/16/2026 08 PM PDT           39.99             29         -              Normal
  05/16/2026 09 PM PDT           39.99             29         0              Normal
  05/16/2026 10 PM PDT           39.99             29         0              Normal
  05/16/2026 11 PM PDT           39.99             29         0              Normal
  05/17/2026 12 AM PDT           39.98             29         -              Normal
  05/17/2026 01 AM PDT           39.98             29         0              Normal
  05/17/2026 02 AM PDT           39.98             29         0              Normal
  05/17/2026 03 AM PDT           39.98             29         0              Normal
  05/17/2026 04 AM PDT           39.98             29         0              Normal
  05/17/2026 05 AM PDT           39.97             28         -              Normal
  05/17/2026 06 AM PDT           39.97             28         0              Normal
  05/17/2026 07 AM PDT           39.97             28         0              Normal
  05/17/2026 08 AM PDT           39.96             28         -              Normal
  05/17/2026 09 AM PDT           39.96             28         0              Normal
  05/17/2026 10 AM PDT           39.96             28         0              Normal
  05/17/2026 11 AM PDT           39.96             28         0              Normal
  05/17/2026 12 PM PDT           39.95             27         -              Normal
  05/17/2026 01 PM PDT           39.95             27         0              Normal
  05/17/2026 02 PM PDT           39.95             27         0              Normal
  05/17/2026 03 PM PDT           39.95             27         0              Normal
  05/17/2026 04 PM PDT           39.94             27         -              Normal
  05/17/2026 05 PM PDT           39.94             27         0              Normal
  05/17/2026 06 PM PDT           39.94             27         0              Normal
  05/17/2026 07 PM PDT           39.93             26         -              Normal
  05/17/2026 08 PM PDT           39.93             26         0              Normal
  05/17/2026 09 PM PDT           39.93             26         0              Normal
  05/17/2026 10 PM PDT           39.93             26         0              Normal
  05/17/2026 11 PM PDT           39.92             26         -              Normal
  05/18/2026 12 AM PDT           39.92             26         0              Normal
  05/18/2026 01 AM PDT           39.92             26         0              Normal
  05/18/2026 02 AM PDT           39.92             26         0              Normal
  05/18/2026 03 AM PDT           39.91             25         -              Normal
  05/18/2026 04 AM PDT           39.91             25         0              Normal
  05/18/2026 05 AM PDT           39.91             25         0              Normal
  05/18/2026 06 AM PDT           39.91             25         0              Normal
  05/18/2026 07 AM PDT           39.90             25         -              Normal
  05/18/2026 08 AM PDT           39.90             25         0              Normal
  05/18/2026 09 AM PDT           39.90             25         0              Normal
  05/18/2026 10 AM PDT           39.90             25         0              Normal
  05/18/2026 11 AM PDT           39.89             24         -              Normal
  05/18/2026 12 PM PDT           39.89             24         0              Normal
  05/18/2026 01 PM PDT           39.89             24         0              Normal
  05/18/2026 02 PM PDT           39.89             24         0              Normal
  05/18/2026 03 PM PDT           39.88             24         -              Normal
  05/18/2026 04 PM PDT           39.88             24         0              Normal
  05/18/2026 05 PM PDT           39.88             24         0              Normal
  05/18/2026 06 PM PDT           39.87             23         -              Normal
  05/18/2026 07 PM PDT           39.87             23         0              Normal
  05/18/2026 08 PM PDT           39.87             23         0              Normal
  05/18/2026 09 PM PDT           39.87             23         0              Normal
  05/18/2026 10 PM PDT           39.86             23         -              Normal
  05/18/2026 11 PM PDT           39.86             23         0              Normal
  05/19/2026 12 AM PDT           39.86             23         0              Normal
  05/19/2026 01 AM PDT           39.86             23         0              Normal
  05/19/2026 02 AM PDT           39.85             22         -              Normal
  05/19/2026 03 AM PDT           39.85             22         0              Normal
  05/19/2026 04 AM PDT           39.85             22         0              Normal
  05/19/2026 05 AM PDT           39.85             22         0              Normal
  05/19/2026 06 AM PDT           39.84             22         -              Normal
  05/19/2026 07 AM PDT           39.84             22         0              Normal
  05/19/2026 08 AM PDT           39.84             22         0              Normal
  05/19/2026 09 AM PDT           39.84             22         0              Normal
  05/19/2026 10 AM PDT           39.83             21         -              Normal
  05/19/2026 11 AM PDT           39.83             21         0              Normal
  05/19/2026 12 PM PDT           39.83             21         0              Normal
  05/19/2026 01 PM PDT           39.83             21         0              Normal
  05/19/2026 02 PM PDT           39.82             21         -              Normal
  05/19/2026 03 PM PDT           39.82             21         0              Normal
  05/19/2026 04 PM PDT           39.82             21         0              Normal
  05/19/2026 05 PM PDT           39.81             21         -              Normal
  05/19/2026 06 PM PDT           39.81             21         0              Normal
  05/19/2026 07 PM PDT           39.81             21         0              Normal
  05/19/2026 08 PM PDT           39.80             20         -              Normal
  05/19/2026 09 PM PDT           39.80             20         0              Normal
  05/19/2026 10 PM PDT           39.80             20         0              Normal
  05/19/2026 11 PM PDT           39.80             20         0              Normal
  05/20/2026 12 AM PDT           39.79             20         -              Normal
  05/20/2026 01 AM PDT           39.79             20         0              Normal
  05/20/2026 02 AM PDT           39.79             20         0              Normal
  05/20/2026 03 AM PDT           39.79             20         0              Normal
  05/20/2026 04 AM PDT           39.78             19         -              Normal
  05/20/2026 05 AM PDT           39.78             19         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.