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 14 2026 at 7:53 AM PDTNext Issuance: Apr 14 2026 at 3:00 PM 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:  04/14/2026 at 07:54 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:     04/14/2026 at 08:00 AM PDT
# Maximum Forecast Stage:                       42.57 Feet
# Maximum Forecast Flow:                        230 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  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           42.96            293         -              Normal
  04/12/2026 09 AM PDT           42.92            286         -              Normal
  04/12/2026 10 AM PDT           42.89            280         -              Normal
  04/12/2026 11 AM PDT           42.87            277         -              Normal
  04/12/2026 12 PM PDT           42.90            282         +              Normal
  04/12/2026 01 PM PDT           43.05            307         +              Normal
  04/12/2026 02 PM PDT           43.27            339         +              Normal
  04/12/2026 03 PM PDT           43.42            362         +              Normal
  04/12/2026 04 PM PDT           43.44            365         +              Normal
  04/12/2026 05 PM PDT           43.37            354         -              Normal
  04/12/2026 06 PM PDT           43.30            343         -              Normal
  04/12/2026 07 PM PDT           43.25            336         -              Normal
  04/12/2026 08 PM PDT           43.18            325         -              Normal
  04/12/2026 09 PM PDT           43.13            318         -              Normal
  04/12/2026 10 PM PDT           43.09            312         -              Normal
  04/12/2026 11 PM PDT           43.06            308         -              Normal
  04/13/2026 12 AM PDT           43.03            304         -              Normal
  04/13/2026 01 AM PDT           43.03            304         0              Normal
  04/13/2026 02 AM PDT           43.03            304         0              Normal
  04/13/2026 03 AM PDT           43.04            305         +              Normal
  04/13/2026 04 AM PDT           43.03            304         -              Normal
  04/13/2026 05 AM PDT           43.05            307         +              Normal
  04/13/2026 06 AM PDT           43.03            304         -              Normal
  04/13/2026 07 AM PDT           43.04            305         +              Normal
  04/13/2026 08 AM PDT           43.04            305         0              Normal
  04/13/2026 09 AM PDT           43.03            304         -              Normal
  04/13/2026 10 AM PDT           43.03            304         0              Normal
  04/13/2026 11 AM PDT           43.04            305         +              Normal
  04/13/2026 12 PM PDT           43.03            304         -              Normal
  04/13/2026 01 PM PDT           43.02            303         -              Normal
  04/13/2026 02 PM PDT           43.00            300         -              Normal
  04/13/2026 03 PM PDT           42.99            298         -              Normal
  04/13/2026 04 PM PDT           42.96            293         -              Normal
  04/13/2026 05 PM PDT           42.95            291         -              Normal
  04/13/2026 06 PM PDT           42.93            287         -              Normal
  04/13/2026 07 PM PDT           42.89            280         -              Normal
  04/13/2026 08 PM PDT           42.88            279         -              Normal
  04/13/2026 09 PM PDT           42.87            277         -              Normal
  04/13/2026 10 PM PDT           42.84            272         -              Normal
  04/13/2026 11 PM PDT           42.82            268         -              Normal
  04/14/2026 12 AM PDT           42.80            265         -              Normal
  04/14/2026 01 AM PDT           42.78            262         -              Normal
  04/14/2026 02 AM PDT           42.76            259         -              Normal
  04/14/2026 03 AM PDT           42.74            255         -              Normal
  04/14/2026 04 AM PDT           42.72            252         -              Normal
  04/14/2026 05 AM PDT           42.71            251         -              Normal
  04/14/2026 06 AM PDT           42.66            243         -              Normal
  04/14/2026 07 AM PDT           42.62            237         -              Normal
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  04/14/2026 08 AM PDT           42.57            230                        Normal
  04/14/2026 09 AM PDT           42.53            224         -              Normal
  04/14/2026 10 AM PDT           42.48            217         -              Normal
  04/14/2026 11 AM PDT           42.44            212         -              Normal
  04/14/2026 12 PM PDT           42.40            206         -              Normal
  04/14/2026 01 PM PDT           42.36            201         -              Normal
  04/14/2026 02 PM PDT           42.32            196         -              Normal
  04/14/2026 03 PM PDT           42.28            191         -              Normal
  04/14/2026 04 PM PDT           42.24            187         -              Normal
  04/14/2026 05 PM PDT           42.20            182         -              Normal
  04/14/2026 06 PM PDT           42.16            177         -              Normal
  04/14/2026 07 PM PDT           42.12            173         -              Normal
  04/14/2026 08 PM PDT           42.08            168         -              Normal
  04/14/2026 09 PM PDT           42.04            164         -              Normal
  04/14/2026 10 PM PDT           42.00            160         -              Normal
  04/14/2026 11 PM PDT           41.95            153         -              Normal
  04/15/2026 12 AM PDT           41.91            147         -              Normal
  04/15/2026 01 AM PDT           41.87            142         -              Normal
  04/15/2026 02 AM PDT           41.82            135         -              Normal
  04/15/2026 03 AM PDT           41.78            130         -              Normal
  04/15/2026 04 AM PDT           41.74            125         -              Normal
  04/15/2026 05 AM PDT           41.69            120         -              Normal
  04/15/2026 06 AM PDT           41.65            115         -              Normal
  04/15/2026 07 AM PDT           41.60            110         -              Normal
  04/15/2026 08 AM PDT           41.55            105         -              Normal
  04/15/2026 09 AM PDT           41.51            101         -              Normal
  04/15/2026 10 AM PDT           41.46             97         -              Normal
  04/15/2026 11 AM PDT           41.42             95         -              Normal
  04/15/2026 12 PM PDT           41.37             92         -              Normal
  04/15/2026 01 PM PDT           41.32             89         -              Normal
  04/15/2026 02 PM PDT           41.27             86         -              Normal
  04/15/2026 03 PM PDT           41.23             83         -              Normal
  04/15/2026 04 PM PDT           41.18             80         -              Normal
  04/15/2026 05 PM PDT           41.13             78         -              Normal
  04/15/2026 06 PM PDT           41.08             75         -              Normal
  04/15/2026 07 PM PDT           41.03             72         -              Normal
  04/15/2026 08 PM PDT           40.98             70         -              Normal
  04/15/2026 09 PM PDT           40.94             68         -              Normal
  04/15/2026 10 PM PDT           40.89             66         -              Normal
  04/15/2026 11 PM PDT           40.84             63         -              Normal
  04/16/2026 12 AM PDT           40.79             61         -              Normal
  04/16/2026 01 AM PDT           40.74             59         -              Normal
  04/16/2026 02 AM PDT           40.69             57         -              Normal
  04/16/2026 03 AM PDT           40.64             55         -              Normal
  04/16/2026 04 AM PDT           40.59             53         -              Normal
  04/16/2026 05 AM PDT           40.54             51         -              Normal
  04/16/2026 06 AM PDT           40.53             51         -              Normal
  04/16/2026 07 AM PDT           40.52             51         -              Normal
  04/16/2026 08 AM PDT           40.51             50         -              Normal
  04/16/2026 09 AM PDT           40.50             50         -              Normal
  04/16/2026 10 AM PDT           40.49             49         -              Normal
  04/16/2026 11 AM PDT           40.48             49         -              Normal
  04/16/2026 12 PM PDT           40.47             48         -              Normal
  04/16/2026 01 PM PDT           40.47             48         0              Normal
  04/16/2026 02 PM PDT           40.46             48         -              Normal
  04/16/2026 03 PM PDT           40.45             48         -              Normal
  04/16/2026 04 PM PDT           40.44             47         -              Normal
  04/16/2026 05 PM PDT           40.43             47         -              Normal
  04/16/2026 06 PM PDT           40.43             47         0              Normal
  04/16/2026 07 PM PDT           40.42             46         -              Normal
  04/16/2026 08 PM PDT           40.41             46         -              Normal
  04/16/2026 09 PM PDT           40.40             45         -              Normal
  04/16/2026 10 PM PDT           40.40             45         0              Normal
  04/16/2026 11 PM PDT           40.39             45         -              Normal
  04/17/2026 12 AM PDT           40.38             44         -              Normal
  04/17/2026 01 AM PDT           40.37             44         -              Normal
  04/17/2026 02 AM PDT           40.37             44         0              Normal
  04/17/2026 03 AM PDT           40.36             43         -              Normal
  04/17/2026 04 AM PDT           40.35             43         -              Normal
  04/17/2026 05 AM PDT           40.34             42         -              Normal
  04/17/2026 06 AM PDT           40.34             42         0              Normal
  04/17/2026 07 AM PDT           40.33             42         -              Normal
  04/17/2026 08 AM PDT           40.32             42         -              Normal
  04/17/2026 09 AM PDT           40.32             42         0              Normal
  04/17/2026 10 AM PDT           40.31             41         -              Normal
  04/17/2026 11 AM PDT           40.30             41         -              Normal
  04/17/2026 12 PM PDT           40.30             41         0              Normal
  04/17/2026 01 PM PDT           40.29             40         -              Normal
  04/17/2026 02 PM PDT           40.29             40         0              Normal
  04/17/2026 03 PM PDT           40.28             40         -              Normal
  04/17/2026 04 PM PDT           40.27             40         -              Normal
  04/17/2026 05 PM PDT           40.27             40         0              Normal
  04/17/2026 06 PM PDT           40.26             39         -              Normal
  04/17/2026 07 PM PDT           40.26             39         0              Normal
  04/17/2026 08 PM PDT           40.25             39         -              Normal
  04/17/2026 09 PM PDT           40.24             38         -              Normal
  04/17/2026 10 PM PDT           40.24             38         0              Normal
  04/17/2026 11 PM PDT           40.23             38         -              Normal
  04/18/2026 12 AM PDT           40.23             38         0              Normal
  04/18/2026 01 AM PDT           40.22             38         -              Normal
  04/18/2026 02 AM PDT           40.22             38         0              Normal
  04/18/2026 03 AM PDT           40.21             37         -              Normal
  04/18/2026 04 AM PDT           40.21             37         0              Normal
  04/18/2026 05 AM PDT           40.20             37         -              Normal
  04/18/2026 06 AM PDT           40.20             37         0              Normal
  04/18/2026 07 AM PDT           40.19             36         -              Normal
  04/18/2026 08 AM PDT           40.19             36         0              Normal
  04/18/2026 09 AM PDT           40.18             36         -              Normal
  04/18/2026 10 AM PDT           40.18             36         0              Normal
  04/18/2026 11 AM PDT           40.17             36         -              Normal
  04/18/2026 12 PM PDT           40.17             36         0              Normal
  04/18/2026 01 PM PDT           40.17             36         0              Normal
  04/18/2026 02 PM PDT           40.16             35         -              Normal
  04/18/2026 03 PM PDT           40.16             35         0              Normal
  04/18/2026 04 PM PDT           40.15             35         -              Normal
  04/18/2026 05 PM PDT           40.15             35         0              Normal
  04/18/2026 06 PM PDT           40.14             35         -              Normal
  04/18/2026 07 PM PDT           40.14             35         0              Normal
  04/18/2026 08 PM PDT           40.13             34         -              Normal
  04/18/2026 09 PM PDT           40.13             34         0              Normal
  04/18/2026 10 PM PDT           40.12             34         -              Normal
  04/18/2026 11 PM PDT           40.12             34         0              Normal
  04/19/2026 12 AM PDT           40.11             34         -              Normal
  04/19/2026 01 AM PDT           40.11             34         0              Normal
  04/19/2026 02 AM PDT           40.10             33         -              Normal
  04/19/2026 03 AM PDT           40.10             33         0              Normal
  04/19/2026 04 AM PDT           40.10             33         0              Normal
  04/19/2026 05 AM PDT           40.09             33         -              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.