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

 | 

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 22 2026 at 7:28 AM PDTNext Issuance: Apr 23 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:  04/22/2026 at 07:29 AM PDT
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  04/20/2026 at 10:00 PM PDT
# Maximum Observed Stage:                       44.11 Feet
# Maximum Observed Flow:                        470 cfs
#
# Earliest Date & Time of Maximum Forecast:     04/22/2026 at 07:00 PM PDT
# Maximum Forecast Stage:                       45.49 Feet
# Maximum Forecast Flow:                        797 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  04/17/2026 07 AM PDT           41.56            106                        Normal
  04/17/2026 08 AM PDT           41.55            105         -              Normal
  04/17/2026 09 AM PDT           41.54            104         -              Normal
  04/17/2026 10 AM PDT           41.55            105         +              Normal
  04/17/2026 11 AM PDT           41.54            104         -              Normal
  04/17/2026 12 PM PDT           41.52            102         -              Normal
  04/17/2026 01 PM PDT           41.51            101         -              Normal
  04/17/2026 02 PM PDT           41.50            100         -              Normal
  04/17/2026 03 PM PDT           41.50            100         0              Normal
  04/17/2026 04 PM PDT           41.48             99         -              Normal
  04/17/2026 05 PM PDT           41.47             98         -              Normal
  04/17/2026 06 PM PDT           41.46             97         -              Normal
  04/17/2026 07 PM PDT           41.45             97         -              Normal
  04/17/2026 08 PM PDT           41.44             96         -              Normal
  04/17/2026 09 PM PDT           41.43             95         -              Normal
  04/17/2026 10 PM PDT           41.42             95         -              Normal
  04/17/2026 11 PM PDT           41.43             95         +              Normal
  04/18/2026 12 AM PDT           41.40             93         -              Normal
  04/18/2026 01 AM PDT           41.39             93         -              Normal
  04/18/2026 02 AM PDT           41.38             92         -              Normal
  04/18/2026 03 AM PDT           41.37             92         -              Normal
  04/18/2026 04 AM PDT           41.36             91         -              Normal
  04/18/2026 05 AM PDT           41.36             91         0              Normal
  04/18/2026 06 AM PDT           41.35             90         -              Normal
  04/18/2026 07 AM PDT           41.34             90         -              Normal
  04/18/2026 08 AM PDT           41.33             89         -              Normal
  04/18/2026 09 AM PDT           41.33             89         0              Normal
  04/18/2026 10 AM PDT           41.32             89         -              Normal
  04/18/2026 11 AM PDT           41.31             88         -              Normal
  04/18/2026 12 PM PDT           41.30             87         -              Normal
  04/18/2026 01 PM PDT           41.31             88         +              Normal
  04/18/2026 02 PM PDT           41.33             89         +              Normal
  04/18/2026 03 PM PDT           41.33             89         0              Normal
  04/18/2026 04 PM PDT           41.28             86         -              Normal
  04/18/2026 05 PM PDT           41.29             87         +              Normal
  04/18/2026 06 PM PDT           41.27             86         -              Normal
  04/18/2026 07 PM PDT           41.27             86         0              Normal
  04/18/2026 08 PM PDT           41.26             85         -              Normal
  04/18/2026 09 PM PDT           41.29             87         +              Normal
  04/18/2026 10 PM PDT           41.28             86         -              Normal
  04/18/2026 11 PM PDT           41.25             84         -              Normal
  04/19/2026 12 AM PDT           41.24             84         -              Normal
  04/19/2026 01 AM PDT           41.23             83         -              Normal
  04/19/2026 02 AM PDT           41.23             83         0              Normal
  04/19/2026 03 AM PDT           41.22             83         -              Normal
  04/19/2026 04 AM PDT           41.21             82         -              Normal
  04/19/2026 05 AM PDT           41.21             82         0              Normal
  04/19/2026 06 AM PDT           41.20             81         -              Normal
  04/19/2026 07 AM PDT           41.20             81         0              Normal
  04/19/2026 08 AM PDT           41.19             81         -              Normal
  04/19/2026 09 AM PDT           41.19             81         0              Normal
  04/19/2026 10 AM PDT           41.18             80         -              Normal
  04/19/2026 11 AM PDT           41.18             80         0              Normal
  04/19/2026 12 PM PDT           41.18             80         0              Normal
  04/19/2026 01 PM PDT           41.21             82         +              Normal
  04/19/2026 02 PM PDT           41.17             80         -              Normal
  04/19/2026 03 PM PDT           41.18             80         +              Normal
  04/19/2026 04 PM PDT           41.16             79         -              Normal
  04/19/2026 05 PM PDT           41.15             79         -              Normal
  04/19/2026 06 PM PDT           41.14             78         -              Normal
  04/19/2026 07 PM PDT           41.15             79         +              Normal
  04/19/2026 08 PM PDT           41.14             78         -              Normal
  04/19/2026 09 PM PDT           41.14             78         0              Normal
  04/19/2026 10 PM PDT           41.13             78         -              Normal
  04/19/2026 11 PM PDT           41.12             77         -              Normal
  04/20/2026 12 AM PDT           41.11             77         -              Normal
  04/20/2026 01 AM PDT           41.09             76         -              Normal
  04/20/2026 02 AM PDT           41.10             76         +              Normal
  04/20/2026 03 AM PDT           41.09             76         -              Normal
  04/20/2026 04 AM PDT           41.08             75         -              Normal
  04/20/2026 05 AM PDT           41.07             74         -              Normal
  04/20/2026 06 AM PDT           41.07             74         0              Normal
  04/20/2026 07 AM PDT           41.06             74         -              Normal
  04/20/2026 08 AM PDT           41.06             74         0              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           43.72            406         +              Normal
  04/21/2026 12 PM PDT           43.73            408         +              Normal
  04/21/2026 01 PM PDT           43.73            408         0              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           43.92            437         +              Normal
  04/22/2026 07 AM PDT           44.09            467         +              Normal
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  04/22/2026 08 AM PDT           44.27            502                        Normal
  04/22/2026 09 AM PDT           44.46            541         +              Normal
  04/22/2026 10 AM PDT           44.65            581         +              Normal
  04/22/2026 11 AM PDT           44.85            625         +              Normal
  04/22/2026 12 PM PDT           45.04            670         +              Normal
  04/22/2026 01 PM PDT           45.19            710         +              Normal
  04/22/2026 02 PM PDT           45.29            738         +              Normal
  04/22/2026 03 PM PDT           45.37            761         +              Normal
  04/22/2026 04 PM PDT           45.42            776         +              Normal
  04/22/2026 05 PM PDT           45.46            788         +              Normal
  04/22/2026 06 PM PDT           45.48            794         +              Normal
  04/22/2026 07 PM PDT           45.49            797         +              Normal
  04/22/2026 08 PM PDT           45.47            791         -              Normal
  04/22/2026 09 PM PDT           45.45            785         -              Normal
  04/22/2026 10 PM PDT           45.42            776         -              Normal
  04/22/2026 11 PM PDT           45.40            770         -              Normal
  04/23/2026 12 AM PDT           45.38            764         -              Normal
  04/23/2026 01 AM PDT           45.36            758         -              Normal
  04/23/2026 02 AM PDT           45.34            752         -              Normal
  04/23/2026 03 AM PDT           45.33            750         -              Normal
  04/23/2026 04 AM PDT           45.33            750         0              Normal
  04/23/2026 05 AM PDT           45.33            750         0              Normal
  04/23/2026 06 AM PDT           45.28            735         -              Normal
  04/23/2026 07 AM PDT           45.23            721         -              Normal
  04/23/2026 08 AM PDT           45.18            708         -              Normal
  04/23/2026 09 AM PDT           45.12            691         -              Normal
  04/23/2026 10 AM PDT           45.08            681         -              Normal
  04/23/2026 11 AM PDT           45.03            668         -              Normal
  04/23/2026 12 PM PDT           44.98            655         -              Normal
  04/23/2026 01 PM PDT           44.94            646         -              Normal
  04/23/2026 02 PM PDT           44.89            634         -              Normal
  04/23/2026 03 PM PDT           44.85            625         -              Normal
  04/23/2026 04 PM PDT           44.81            616         -              Normal
  04/23/2026 05 PM PDT           44.77            607         -              Normal
  04/23/2026 06 PM PDT           44.73            598         -              Normal
  04/23/2026 07 PM PDT           44.68            587         -              Normal
  04/23/2026 08 PM PDT           44.64            579         -              Normal
  04/23/2026 09 PM PDT           44.60            571         -              Normal
  04/23/2026 10 PM PDT           44.55            560         -              Normal
  04/23/2026 11 PM PDT           44.51            552         -              Normal
  04/24/2026 12 AM PDT           44.47            543         -              Normal
  04/24/2026 01 AM PDT           44.42            533         -              Normal
  04/24/2026 02 AM PDT           44.37            522         -              Normal
  04/24/2026 03 AM PDT           44.33            514         -              Normal
  04/24/2026 04 AM PDT           44.28            504         -              Normal
  04/24/2026 05 AM PDT           44.23            494         -              Normal
  04/24/2026 06 AM PDT           44.19            486         -              Normal
  04/24/2026 07 AM PDT           44.14            476         -              Normal
  04/24/2026 08 AM PDT           44.09            467         -              Normal
  04/24/2026 09 AM PDT           44.05            459         -              Normal
  04/24/2026 10 AM PDT           43.99            448         -              Normal
  04/24/2026 11 AM PDT           43.95            442         -              Normal
  04/24/2026 12 PM PDT           43.90            434         -              Normal
  04/24/2026 01 PM PDT           43.85            426         -              Normal
  04/24/2026 02 PM PDT           43.80            418         -              Normal
  04/24/2026 03 PM PDT           43.76            412         -              Normal
  04/24/2026 04 PM PDT           43.71            405         -              Normal
  04/24/2026 05 PM PDT           43.66            398         -              Normal
  04/24/2026 06 PM PDT           43.62            392         -              Normal
  04/24/2026 07 PM PDT           43.57            385         -              Normal
  04/24/2026 08 PM PDT           43.52            378         -              Normal
  04/24/2026 09 PM PDT           43.48            372         -              Normal
  04/24/2026 10 PM PDT           43.43            364         -              Normal
  04/24/2026 11 PM PDT           43.39            357         -              Normal
  04/25/2026 12 AM PDT           43.34            349         -              Normal
  04/25/2026 01 AM PDT           43.30            343         -              Normal
  04/25/2026 02 AM PDT           43.25            336         -              Normal
  04/25/2026 03 AM PDT           43.21            330         -              Normal
  04/25/2026 04 AM PDT           43.16            322         -              Normal
  04/25/2026 05 AM PDT           43.12            317         -              Normal
  04/25/2026 06 AM PDT           43.08            311         -              Normal
  04/25/2026 07 AM PDT           43.04            305         -              Normal
  04/25/2026 08 AM PDT           42.99            298         -              Normal
  04/25/2026 09 AM PDT           42.95            291         -              Normal
  04/25/2026 10 AM PDT           42.91            284         -              Normal
  04/25/2026 11 AM PDT           42.87            277         -              Normal
  04/25/2026 12 PM PDT           42.83            270         -              Normal
  04/25/2026 01 PM PDT           42.79            263         -              Normal
  04/25/2026 02 PM PDT           42.75            257         -              Normal
  04/25/2026 03 PM PDT           42.71            251         -              Normal
  04/25/2026 04 PM PDT           42.67            245         -              Normal
  04/25/2026 05 PM PDT           42.63            239         -              Normal
  04/25/2026 06 PM PDT           42.59            233         -              Normal
  04/25/2026 07 PM PDT           42.56            228         -              Normal
  04/25/2026 08 PM PDT           42.52            223         -              Normal
  04/25/2026 09 PM PDT           42.48            217         -              Normal
  04/25/2026 10 PM PDT           42.45            213         -              Normal
  04/25/2026 11 PM PDT           42.41            208         -              Normal
  04/26/2026 12 AM PDT           42.37            203         -              Normal
  04/26/2026 01 AM PDT           42.34            199         -              Normal
  04/26/2026 02 AM PDT           42.30            194         -              Normal
  04/26/2026 03 AM PDT           42.27            190         -              Normal
  04/26/2026 04 AM PDT           42.24            187         -              Normal
  04/26/2026 05 AM PDT           42.20            182         -              Normal
  04/26/2026 06 AM PDT           42.17            178         -              Normal
  04/26/2026 07 AM PDT           42.14            175         -              Normal
  04/26/2026 08 AM PDT           42.10            171         -              Normal
  04/26/2026 09 AM PDT           42.07            167         -              Normal
  04/26/2026 10 AM PDT           42.04            164         -              Normal
  04/26/2026 11 AM PDT           42.01            161         -              Normal
  04/26/2026 12 PM PDT           41.98            157         -              Normal
  04/26/2026 01 PM PDT           41.95            153         -              Normal
  04/26/2026 02 PM PDT           41.92            148         -              Normal
  04/26/2026 03 PM PDT           41.89            144         -              Normal
  04/26/2026 04 PM PDT           41.86            140         -              Normal
  04/26/2026 05 PM PDT           41.83            136         -              Normal
  04/26/2026 06 PM PDT           41.80            133         -              Normal
  04/26/2026 07 PM PDT           41.77            129         -              Normal
  04/26/2026 08 PM PDT           41.75            127         -              Normal
  04/26/2026 09 PM PDT           41.72            123         -              Normal
  04/26/2026 10 PM PDT           41.69            120         -              Normal
  04/26/2026 11 PM PDT           41.66            116         -              Normal
  04/27/2026 12 AM PDT           41.64            114         -              Normal
  04/27/2026 01 AM PDT           41.61            111         -              Normal
  04/27/2026 02 AM PDT           41.59            109         -              Normal
  04/27/2026 03 AM PDT           41.56            106         -              Normal
  04/27/2026 04 AM PDT           41.54            104         -              Normal
  04/27/2026 05 AM PDT           41.51            101         -              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.