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MARK WEST CREEK - MIRABEL HEIGHTS (MWEC1)
| Latitude: 38.49º N | Longitude: 122.85º W | Elevation: 50 Feet | | Forecast Type: Unofficial Location |
| Location: Sonoma County in California | Bulletin Group: Russian Napa | River Group: Russian Napa |
| Issuance Time: | May 15 2026 at 7:20 AM PDT | Next Issuance: | May 16 2026 at 9:00 AM PDT
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| Action/Monitor: 50.5 Feet | Minor Flood: 55.0 Feet | Moderate Flood: 59.0 Feet | Major Flood: 65.0 Feet |
# 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.
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