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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: | Apr 20 2026 at 6:54 AM PDT | Next Issuance: | Apr 21 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: 04/20/2026 at 06:55 AM PDT
# Data Interval: 1 Hour
#
# Most Recent Date & Time of Maximum Observed: 04/15/2026 at 07:00 AM PDT
# Maximum Observed Stage: 42.27 Feet
# Maximum Observed Flow: 190 cfs
#
# Earliest Date & Time of Maximum Forecast: 04/22/2026 at 06:00 AM PDT
# Maximum Forecast Stage: 43.37 Feet
# Maximum Forecast Flow: 354 cfs
#
# OBSERVED
#
# Date & Time (Local) Stage (Feet) Flow (cfs) Trend Observed Status
# ---------------------------------------------------------------------------------
04/15/2026 06 AM PDT 42.27 190 Normal
04/15/2026 07 AM PDT 42.27 190 0 Normal
04/15/2026 08 AM PDT 42.24 187 - Normal
04/15/2026 09 AM PDT 42.23 185 - Normal
04/15/2026 10 AM PDT 42.20 182 - Normal
04/15/2026 11 AM PDT 42.18 180 - Normal
04/15/2026 12 PM PDT 42.17 178 - Normal
04/15/2026 01 PM PDT 42.15 176 - Normal
04/15/2026 02 PM PDT 42.14 175 - Normal
04/15/2026 03 PM PDT 42.12 173 - Normal
04/15/2026 04 PM PDT 42.11 172 - Normal
04/15/2026 05 PM PDT 42.09 169 - Normal
04/15/2026 06 PM PDT 42.08 168 - Normal
04/15/2026 07 PM PDT 42.05 165 - Normal
04/15/2026 08 PM PDT 42.04 164 - Normal
04/15/2026 09 PM PDT 42.03 163 - Normal
04/15/2026 10 PM PDT 42.01 161 - Normal
04/15/2026 11 PM PDT 42.00 160 - Normal
04/16/2026 12 AM PDT 41.98 157 - Normal
04/16/2026 01 AM PDT 41.96 154 - Normal
04/16/2026 02 AM PDT 41.94 151 - Normal
04/16/2026 03 AM PDT 41.93 150 - Normal
04/16/2026 04 AM PDT 41.93 150 0 Normal
04/16/2026 05 AM PDT 41.92 148 - Normal
04/16/2026 06 AM PDT 41.93 150 + Normal
04/16/2026 07 AM PDT 41.87 142 - Normal
04/16/2026 08 AM PDT 41.85 139 - Normal
04/16/2026 09 AM PDT 41.84 138 - Normal
04/16/2026 10 AM PDT 41.83 136 - Normal
04/16/2026 11 AM PDT 41.82 135 - Normal
04/16/2026 12 PM PDT 41.81 134 - Normal
04/16/2026 01 PM PDT 41.80 133 - Normal
04/16/2026 02 PM PDT 41.79 131 - Normal
04/16/2026 03 PM PDT 41.77 129 - Normal
04/16/2026 04 PM PDT 41.76 128 - Normal
04/16/2026 05 PM PDT 41.76 128 0 Normal
04/16/2026 06 PM PDT 41.73 124 - Normal
04/16/2026 07 PM PDT 41.72 123 - Normal
04/16/2026 08 PM PDT 41.70 121 - Normal
04/16/2026 09 PM PDT 41.68 119 - Normal
04/16/2026 10 PM PDT 41.67 117 - Normal
04/16/2026 11 PM PDT 41.65 115 - Normal
04/17/2026 12 AM PDT 41.64 114 - Normal
04/17/2026 01 AM PDT 41.63 113 - Normal
04/17/2026 02 AM PDT 41.62 112 - Normal
04/17/2026 03 AM PDT 41.61 111 - Normal
04/17/2026 04 AM PDT 41.59 109 - Normal
04/17/2026 05 AM PDT 41.59 109 0 Normal
04/17/2026 06 AM PDT 41.57 107 - Normal
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 41.06 74 - Normal
#
# FORECAST
#
# Date & Time (Local) Stage (Feet) Flow (cfs) Trend Forecast Status
# ---------------------------------------------------------------------------------
04/20/2026 07 AM PDT 41.05 73 Normal
04/20/2026 08 AM PDT 41.05 73 0 Normal
04/20/2026 09 AM PDT 41.05 73 0 Normal
04/20/2026 10 AM PDT 41.05 73 0 Normal
04/20/2026 11 AM PDT 41.05 73 0 Normal
04/20/2026 12 PM PDT 41.06 74 + Normal
04/20/2026 01 PM PDT 41.08 75 + Normal
04/20/2026 02 PM PDT 41.10 76 + Normal
04/20/2026 03 PM PDT 41.13 78 + Normal
04/20/2026 04 PM PDT 41.16 79 + Normal
04/20/2026 05 PM PDT 41.20 81 + Normal
04/20/2026 06 PM PDT 41.23 83 + Normal
04/20/2026 07 PM PDT 41.25 84 + Normal
04/20/2026 08 PM PDT 41.26 85 + Normal
04/20/2026 09 PM PDT 41.27 86 + Normal
04/20/2026 10 PM PDT 41.27 86 0 Normal
04/20/2026 11 PM PDT 41.27 86 0 Normal
04/21/2026 12 AM PDT 41.28 86 + Normal
04/21/2026 01 AM PDT 41.28 86 0 Normal
04/21/2026 02 AM PDT 41.27 86 - Normal
04/21/2026 03 AM PDT 41.27 86 0 Normal
04/21/2026 04 AM PDT 41.26 85 - Normal
04/21/2026 05 AM PDT 41.26 85 0 Normal
04/21/2026 06 AM PDT 41.26 85 0 Normal
04/21/2026 07 AM PDT 41.28 86 + Normal
04/21/2026 08 AM PDT 41.31 88 + Normal
04/21/2026 09 AM PDT 41.37 92 + Normal
04/21/2026 10 AM PDT 41.43 95 + Normal
04/21/2026 11 AM PDT 41.50 100 + Normal
04/21/2026 12 PM PDT 41.59 109 + Normal
04/21/2026 01 PM PDT 41.73 124 + Normal
04/21/2026 02 PM PDT 41.93 150 + Normal
04/21/2026 03 PM PDT 42.15 176 + Normal
04/21/2026 04 PM PDT 42.38 204 + Normal
04/21/2026 05 PM PDT 42.60 234 + Normal
04/21/2026 06 PM PDT 42.79 263 + Normal
04/21/2026 07 PM PDT 42.93 287 + Normal
04/21/2026 08 PM PDT 42.99 298 + Normal
04/21/2026 09 PM PDT 43.02 303 + Normal
04/21/2026 10 PM PDT 43.03 304 + Normal
04/21/2026 11 PM PDT 43.04 305 + Normal
04/22/2026 12 AM PDT 43.08 311 + Normal
04/22/2026 01 AM PDT 43.12 317 + Normal
04/22/2026 02 AM PDT 43.18 325 + Normal
04/22/2026 03 AM PDT 43.24 334 + Normal
04/22/2026 04 AM PDT 43.30 343 + Normal
04/22/2026 05 AM PDT 43.34 349 + Normal
04/22/2026 06 AM PDT 43.37 354 + Normal
04/22/2026 07 AM PDT 43.37 354 0 Normal
04/22/2026 08 AM PDT 43.34 349 - Normal
04/22/2026 09 AM PDT 43.30 343 - Normal
04/22/2026 10 AM PDT 43.27 339 - Normal
04/22/2026 11 AM PDT 43.24 334 - Normal
04/22/2026 12 PM PDT 43.22 331 - Normal
04/22/2026 01 PM PDT 43.21 330 - Normal
04/22/2026 02 PM PDT 43.20 328 - Normal
04/22/2026 03 PM PDT 43.20 328 0 Normal
04/22/2026 04 PM PDT 43.19 327 - Normal
04/22/2026 05 PM PDT 43.18 325 - Normal
04/22/2026 06 PM PDT 43.15 321 - Normal
04/22/2026 07 PM PDT 43.12 317 - Normal
04/22/2026 08 PM PDT 43.08 311 - Normal
04/22/2026 09 PM PDT 43.04 305 - Normal
04/22/2026 10 PM PDT 43.00 300 - Normal
04/22/2026 11 PM PDT 42.96 293 - Normal
04/23/2026 12 AM PDT 42.92 286 - Normal
04/23/2026 01 AM PDT 42.88 279 - Normal
04/23/2026 02 AM PDT 42.84 272 - Normal
04/23/2026 03 AM PDT 42.80 265 - Normal
04/23/2026 04 AM PDT 42.76 259 - Normal
04/23/2026 05 AM PDT 42.72 252 - Normal
04/23/2026 06 AM PDT 42.68 246 - Normal
04/23/2026 07 AM PDT 42.64 240 - Normal
04/23/2026 08 AM PDT 42.60 234 - Normal
04/23/2026 09 AM PDT 42.56 228 - Normal
04/23/2026 10 AM PDT 42.53 224 - Normal
04/23/2026 11 AM PDT 42.49 219 - Normal
04/23/2026 12 PM PDT 42.45 213 - Normal
04/23/2026 01 PM PDT 42.42 209 - Normal
04/23/2026 02 PM PDT 42.38 204 - Normal
04/23/2026 03 PM PDT 42.35 200 - Normal
04/23/2026 04 PM PDT 42.31 195 - Normal
04/23/2026 05 PM PDT 42.28 191 - Normal
04/23/2026 06 PM PDT 42.24 187 - Normal
04/23/2026 07 PM PDT 42.21 183 - Normal
04/23/2026 08 PM PDT 42.17 178 - Normal
04/23/2026 09 PM PDT 42.14 175 - Normal
04/23/2026 10 PM PDT 42.10 171 - Normal
04/23/2026 11 PM PDT 42.07 167 - Normal
04/24/2026 12 AM PDT 42.02 162 - Normal
04/24/2026 01 AM PDT 41.99 159 - Normal
04/24/2026 02 AM PDT 41.95 153 - Normal
04/24/2026 03 AM PDT 41.92 148 - Normal
04/24/2026 04 AM PDT 41.88 143 - Normal
04/24/2026 05 AM PDT 41.84 138 - Normal
04/24/2026 06 AM PDT 41.81 134 - Normal
04/24/2026 07 AM PDT 41.78 130 - Normal
04/24/2026 08 AM PDT 41.75 127 - Normal
04/24/2026 09 AM PDT 41.73 124 - Normal
04/24/2026 10 AM PDT 41.70 121 - Normal
04/24/2026 11 AM PDT 41.67 117 - Normal
04/24/2026 12 PM PDT 41.64 114 - Normal
04/24/2026 01 PM PDT 41.61 111 - Normal
04/24/2026 02 PM PDT 41.58 108 - Normal
04/24/2026 03 PM PDT 41.55 105 - Normal
04/24/2026 04 PM PDT 41.52 102 - Normal
04/24/2026 05 PM PDT 41.50 100 - Normal
04/24/2026 06 PM PDT 41.47 98 - Normal
04/24/2026 07 PM PDT 41.44 96 - Normal
04/24/2026 08 PM PDT 41.42 95 - Normal
04/24/2026 09 PM PDT 41.39 93 - Normal
04/24/2026 10 PM PDT 41.37 92 - Normal
04/24/2026 11 PM PDT 41.34 90 - Normal
04/25/2026 12 AM PDT 41.32 89 - Normal
04/25/2026 01 AM PDT 41.29 87 - Normal
04/25/2026 02 AM PDT 41.27 86 - Normal
04/25/2026 03 AM PDT 41.25 84 - Normal
04/25/2026 04 AM PDT 41.22 83 - Normal
04/25/2026 05 AM PDT 41.20 81 - 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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