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ARROYO DE LA LAGUNA - VERONA (ADLC1)
| Latitude: 37.63º N | Longitude: 121.88º W | Elevation: 280 Feet | | Forecast Type: Unofficial Location |
| Location: Alameda County in California | Bulletin Group: Central Coast | River Group: South Bay |
| Issuance Time: | Apr 16 2026 at 7:27 AM PDT | Next Issuance: | Apr 17 2026 at 9:00 AM PDT
| |
| Action/Monitor: N/A | Minor Flood: 15.0 Feet | Moderate Flood: 17.0 Feet | Major Flood: N/A |
# Tabular Observed and Forecast Hydrograph Information
#
# Location: Arroyo De La Laguna - Verona (ADLC1)
#
# File Generation Time: 04/16/2026 at 07:29 AM PDT
# Data Interval: 1 Hour
#
# Most Recent Date & Time of Maximum Observed: 04/11/2026 at 10:00 PM PDT
# Maximum Observed Stage: 5.65 Feet
# Maximum Observed Flow: 1025 cfs
#
# Earliest Date & Time of Maximum Forecast: 04/20/2026 at 04:00 PM PDT
# Maximum Forecast Stage: 2.46 Feet
# Maximum Forecast Flow: 166 cfs
#
# OBSERVED
#
# Date & Time (Local) Stage (Feet) Flow (cfs) Trend Observed Status
# ---------------------------------------------------------------------------------
04/11/2026 07 AM PDT 2.41 158 Normal
04/11/2026 08 AM PDT 2.27 136 - Normal
04/11/2026 09 AM PDT 2.17 121 - Normal
04/11/2026 10 AM PDT 2.10 112 - Normal
04/11/2026 11 AM PDT 2.05 106 - Normal
04/11/2026 12 PM PDT 2.00 99 - Normal
04/11/2026 01 PM PDT 1.95 93 - Normal
04/11/2026 02 PM PDT 1.92 90 - Normal
04/11/2026 03 PM PDT 1.89 87 - Normal
04/11/2026 04 PM PDT 1.89 87 0 Normal
04/11/2026 05 PM PDT 2.07 108 + Normal
04/11/2026 06 PM PDT 2.25 133 + Normal
04/11/2026 07 PM PDT 2.36 150 + Normal
04/11/2026 08 PM PDT 2.83 236 + Normal
04/11/2026 09 PM PDT 4.66 716 + Normal
04/11/2026 10 PM PDT 5.65 1025 + Normal
04/11/2026 11 PM PDT 4.83 767 - Normal
04/12/2026 12 AM PDT 3.78 464 - Normal
04/12/2026 01 AM PDT 3.33 351 - Normal
04/12/2026 02 AM PDT 3.11 299 - Normal
04/12/2026 03 AM PDT 3.00 273 - Normal
04/12/2026 04 AM PDT 3.01 275 + Normal
04/12/2026 05 AM PDT 3.10 297 + Normal
04/12/2026 06 AM PDT 3.14 306 + Normal
04/12/2026 07 AM PDT 3.50 391 + Normal
04/12/2026 08 AM PDT 3.33 351 - Normal
04/12/2026 09 AM PDT 3.26 334 - Normal
04/12/2026 10 AM PDT 3.52 396 + Normal
04/12/2026 11 AM PDT 3.34 353 - Normal
04/12/2026 12 PM PDT 3.13 304 - Normal
04/12/2026 01 PM PDT 2.94 260 - Normal
04/12/2026 02 PM PDT 2.84 238 - Normal
04/12/2026 03 PM PDT 2.79 227 - Normal
04/12/2026 04 PM PDT 2.93 257 + Normal
04/12/2026 05 PM PDT 3.12 301 + Normal
04/12/2026 06 PM PDT 3.15 308 + Normal
04/12/2026 07 PM PDT 3.09 294 - Normal
04/12/2026 08 PM PDT 2.90 251 - Normal
04/12/2026 09 PM PDT 2.78 225 - Normal
04/12/2026 10 PM PDT 2.77 223 - Normal
04/12/2026 11 PM PDT 2.85 240 + Normal
04/13/2026 12 AM PDT 2.78 225 - Normal
04/13/2026 01 AM PDT 2.61 192 - Normal
04/13/2026 02 AM PDT 2.49 171 - Normal
04/13/2026 03 AM PDT 2.41 158 - Normal
04/13/2026 04 AM PDT 2.34 146 - Normal
04/13/2026 05 AM PDT 2.29 139 - Normal
04/13/2026 06 AM PDT 2.38 153 + Normal
04/13/2026 07 AM PDT 2.44 163 + Normal
04/13/2026 08 AM PDT 2.35 148 - Normal
04/13/2026 09 AM PDT 2.23 130 - Normal
04/13/2026 10 AM PDT 2.14 117 - Normal
04/13/2026 11 AM PDT 2.08 109 - Normal
04/13/2026 12 PM PDT 2.04 104 - Normal
04/13/2026 01 PM PDT 2.00 99 - Normal
04/13/2026 02 PM PDT 1.97 96 - Normal
04/13/2026 03 PM PDT 1.93 91 - Normal
04/13/2026 04 PM PDT 1.90 88 - Normal
04/13/2026 05 PM PDT 1.86 83 - Normal
04/13/2026 06 PM PDT 1.83 80 - Normal
04/13/2026 07 PM PDT 1.80 77 - Normal
04/13/2026 08 PM PDT 1.77 74 - Normal
04/13/2026 09 PM PDT 1.74 71 - Normal
04/13/2026 10 PM PDT 1.72 69 - Normal
04/13/2026 11 PM PDT 1.69 66 - Normal
04/14/2026 12 AM PDT 1.67 64 - Normal
04/14/2026 01 AM PDT 1.65 62 - Normal
04/14/2026 02 AM PDT 1.63 59 - Normal
04/14/2026 03 AM PDT 1.61 57 - Normal
04/14/2026 04 AM PDT 1.59 55 - Normal
04/14/2026 05 AM PDT 1.57 53 - Normal
04/14/2026 06 AM PDT 1.54 50 - Normal
04/14/2026 07 AM PDT 1.51 48 - Normal
04/14/2026 08 AM PDT 1.49 46 - Normal
04/14/2026 09 AM PDT 1.47 44 - Normal
04/14/2026 10 AM PDT 1.46 43 - Normal
04/14/2026 11 AM PDT 1.46 43 0 Normal
04/14/2026 12 PM PDT 1.45 42 - Normal
04/14/2026 01 PM PDT 1.43 41 - Normal
04/14/2026 02 PM PDT 1.42 40 - Normal
04/14/2026 03 PM PDT 1.40 38 - Normal
04/14/2026 04 PM PDT 1.40 38 0 Normal
04/14/2026 05 PM PDT 1.39 38 - Normal
04/14/2026 06 PM PDT 1.39 38 0 Normal
04/14/2026 07 PM PDT 1.37 36 - Normal
04/14/2026 08 PM PDT 1.36 35 - Normal
04/14/2026 09 PM PDT 1.35 35 - Normal
04/14/2026 10 PM PDT 1.33 33 - Normal
04/14/2026 11 PM PDT 1.33 33 0 Normal
04/15/2026 12 AM PDT 1.32 32 - Normal
04/15/2026 01 AM PDT 1.32 32 0 Normal
04/15/2026 02 AM PDT 1.31 32 - Normal
04/15/2026 03 AM PDT 1.31 32 0 Normal
04/15/2026 04 AM PDT 1.29 30 - Normal
04/15/2026 05 AM PDT 1.28 30 - Normal
04/15/2026 06 AM PDT 1.28 30 0 Normal
04/15/2026 07 AM PDT 1.27 29 - Normal
04/15/2026 08 AM PDT 1.26 28 - Normal
04/15/2026 09 AM PDT 1.25 28 - Normal
04/15/2026 10 AM PDT 1.25 28 0 Normal
04/15/2026 11 AM PDT 1.24 27 - Normal
04/15/2026 12 PM PDT 1.24 27 0 Normal
04/15/2026 01 PM PDT 1.23 26 - Normal
04/15/2026 02 PM PDT 1.23 26 0 Normal
04/15/2026 03 PM PDT 1.23 26 0 Normal
04/15/2026 04 PM PDT 1.24 27 + Normal
04/15/2026 05 PM PDT 1.25 28 + Normal
04/15/2026 06 PM PDT 1.25 28 0 Normal
04/15/2026 07 PM PDT 1.24 27 - Normal
04/15/2026 08 PM PDT 1.23 26 - Normal
04/15/2026 09 PM PDT 1.21 25 - Normal
04/15/2026 10 PM PDT 1.20 25 - Normal
04/15/2026 11 PM PDT 1.19 24 - Normal
04/16/2026 12 AM PDT 1.19 24 0 Normal
04/16/2026 01 AM PDT 1.19 24 0 Normal
04/16/2026 02 AM PDT 1.19 24 0 Normal
04/16/2026 03 AM PDT 1.19 24 0 Normal
04/16/2026 04 AM PDT 1.19 24 0 Normal
04/16/2026 05 AM PDT 1.18 23 - Normal
04/16/2026 06 AM PDT 1.17 23 - Normal
04/16/2026 07 AM PDT 1.17 23 0 Normal
#
# FORECAST
#
# Date & Time (Local) Stage (Feet) Flow (cfs) Trend Forecast Status
# ---------------------------------------------------------------------------------
04/16/2026 08 AM PDT 1.16 22 Normal
04/16/2026 09 AM PDT 1.16 22 0 Normal
04/16/2026 10 AM PDT 1.16 22 0 Normal
04/16/2026 11 AM PDT 1.15 22 - Normal
04/16/2026 12 PM PDT 1.15 22 0 Normal
04/16/2026 01 PM PDT 1.15 22 0 Normal
04/16/2026 02 PM PDT 1.14 21 - Normal
04/16/2026 03 PM PDT 1.14 21 0 Normal
04/16/2026 04 PM PDT 1.14 21 0 Normal
04/16/2026 05 PM PDT 1.13 21 - Normal
04/16/2026 06 PM PDT 1.13 21 0 Normal
04/16/2026 07 PM PDT 1.12 20 - Normal
04/16/2026 08 PM PDT 1.12 20 0 Normal
04/16/2026 09 PM PDT 1.12 20 0 Normal
04/16/2026 10 PM PDT 1.11 19 - Normal
04/16/2026 11 PM PDT 1.11 19 0 Normal
04/17/2026 12 AM PDT 1.11 19 0 Normal
04/17/2026 01 AM PDT 1.10 19 - Normal
04/17/2026 02 AM PDT 1.10 19 0 Normal
04/17/2026 03 AM PDT 1.09 18 - Normal
04/17/2026 04 AM PDT 1.09 18 0 Normal
04/17/2026 05 AM PDT 1.09 18 0 Normal
04/17/2026 06 AM PDT 1.08 18 - Normal
04/17/2026 07 AM PDT 1.08 18 0 Normal
04/17/2026 08 AM PDT 1.07 17 - Normal
04/17/2026 09 AM PDT 1.07 17 0 Normal
04/17/2026 10 AM PDT 1.07 17 0 Normal
04/17/2026 11 AM PDT 1.06 17 - Normal
04/17/2026 12 PM PDT 1.06 17 0 Normal
04/17/2026 01 PM PDT 1.05 17 - Normal
04/17/2026 02 PM PDT 1.05 17 0 Normal
04/17/2026 03 PM PDT 1.05 17 0 Normal
04/17/2026 04 PM PDT 1.04 16 - Normal
04/17/2026 05 PM PDT 1.04 16 0 Normal
04/17/2026 06 PM PDT 1.03 16 - Normal
04/17/2026 07 PM PDT 1.03 16 0 Normal
04/17/2026 08 PM PDT 1.02 15 - Normal
04/17/2026 09 PM PDT 1.02 15 0 Normal
04/17/2026 10 PM PDT 1.02 15 0 Normal
04/17/2026 11 PM PDT 1.01 15 - Normal
04/18/2026 12 AM PDT 1.01 15 0 Normal
04/18/2026 01 AM PDT 1.00 14 - Normal
04/18/2026 02 AM PDT 1.00 14 0 Normal
04/18/2026 03 AM PDT 0.99 14 - Normal
04/18/2026 04 AM PDT 0.99 14 0 Normal
04/18/2026 05 AM PDT 0.98 13 - Normal
04/18/2026 06 AM PDT 0.98 13 0 Normal
04/18/2026 07 AM PDT 0.97 13 - Normal
04/18/2026 08 AM PDT 0.97 13 0 Normal
04/18/2026 09 AM PDT 0.97 13 0 Normal
04/18/2026 10 AM PDT 0.96 13 - Normal
04/18/2026 11 AM PDT 0.96 13 0 Normal
04/18/2026 12 PM PDT 0.95 12 - Normal
04/18/2026 01 PM PDT 0.95 12 0 Normal
04/18/2026 02 PM PDT 0.94 12 - Normal
04/18/2026 03 PM PDT 0.94 12 0 Normal
04/18/2026 04 PM PDT 0.93 12 - Normal
04/18/2026 05 PM PDT 0.93 12 0 Normal
04/18/2026 06 PM PDT 0.92 11 - Normal
04/18/2026 07 PM PDT 0.92 11 0 Normal
04/18/2026 08 PM PDT 0.91 11 - Normal
04/18/2026 09 PM PDT 0.90 10 - Normal
04/18/2026 10 PM PDT 0.90 10 0 Normal
04/18/2026 11 PM PDT 0.89 10 - Normal
04/19/2026 12 AM PDT 0.89 10 0 Normal
04/19/2026 01 AM PDT 0.88 10 - Normal
04/19/2026 02 AM PDT 0.88 10 0 Normal
04/19/2026 03 AM PDT 0.87 9 - Normal
04/19/2026 04 AM PDT 0.86 9 - Normal
04/19/2026 05 AM PDT 0.86 9 0 Normal
04/19/2026 06 AM PDT 0.85 9 - Normal
04/19/2026 07 AM PDT 0.84 8 - Normal
04/19/2026 08 AM PDT 0.84 8 0 Normal
04/19/2026 09 AM PDT 0.83 8 - Normal
04/19/2026 10 AM PDT 0.83 8 0 Normal
04/19/2026 11 AM PDT 0.82 8 - Normal
04/19/2026 12 PM PDT 0.82 8 0 Normal
04/19/2026 01 PM PDT 0.82 8 0 Normal
04/19/2026 02 PM PDT 0.82 8 0 Normal
04/19/2026 03 PM PDT 0.82 8 0 Normal
04/19/2026 04 PM PDT 0.81 8 - Normal
04/19/2026 05 PM PDT 0.81 8 0 Normal
04/19/2026 06 PM PDT 0.81 8 0 Normal
04/19/2026 07 PM PDT 0.81 8 0 Normal
04/19/2026 08 PM PDT 0.81 8 0 Normal
04/19/2026 09 PM PDT 0.81 8 0 Normal
04/19/2026 10 PM PDT 0.80 7 - Normal
04/19/2026 11 PM PDT 0.80 7 0 Normal
04/20/2026 12 AM PDT 0.80 7 0 Normal
04/20/2026 01 AM PDT 0.80 7 0 Normal
04/20/2026 02 AM PDT 0.81 8 + Normal
04/20/2026 03 AM PDT 0.84 8 + Normal
04/20/2026 04 AM PDT 0.88 10 + Normal
04/20/2026 05 AM PDT 0.92 11 + Normal
04/20/2026 06 AM PDT 0.95 12 + Normal
04/20/2026 07 AM PDT 1.03 16 + Normal
04/20/2026 08 AM PDT 1.20 25 + Normal
04/20/2026 09 AM PDT 1.46 43 + Normal
04/20/2026 10 AM PDT 1.73 70 + Normal
04/20/2026 11 AM PDT 1.99 98 + Normal
04/20/2026 12 PM PDT 2.20 126 + Normal
04/20/2026 01 PM PDT 2.33 145 + Normal
04/20/2026 02 PM PDT 2.42 159 + Normal
04/20/2026 03 PM PDT 2.45 164 + Normal
04/20/2026 04 PM PDT 2.46 166 + Normal
04/20/2026 05 PM PDT 2.46 166 0 Normal
04/20/2026 06 PM PDT 2.46 166 0 Normal
04/20/2026 07 PM PDT 2.46 166 0 Normal
04/20/2026 08 PM PDT 2.44 163 - Normal
04/20/2026 09 PM PDT 2.40 156 - Normal
04/20/2026 10 PM PDT 2.37 151 - Normal
04/20/2026 11 PM PDT 2.33 145 - Normal
04/21/2026 12 AM PDT 2.30 140 - Normal
04/21/2026 01 AM PDT 2.25 133 - Normal
04/21/2026 02 AM PDT 2.22 129 - Normal
04/21/2026 03 AM PDT 2.23 130 + Normal
04/21/2026 04 AM PDT 2.28 137 + Normal
04/21/2026 05 AM PDT 2.35 148 + 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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