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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 23 2026 at 7:30 AM PDT | Next Issuance: | Apr 24 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: 04/23/2026 at 07:31 AM PDT
# Data Interval: 1 Hour
#
# Most Recent Date & Time of Maximum Observed: 04/21/2026 at 09:00 PM PDT
# Maximum Observed Stage: 3.84 Feet
# Maximum Observed Flow: 480 cfs
#
# Earliest Date & Time of Maximum Forecast: 04/23/2026 at 08:00 AM PDT
# Maximum Forecast Stage: 1.58 Feet
# Maximum Forecast Flow: 55 cfs
#
# OBSERVED
#
# Date & Time (Local) Stage (Feet) Flow (cfs) Trend Observed Status
# ---------------------------------------------------------------------------------
04/18/2026 07 AM PDT 1.04 17 Normal
04/18/2026 08 AM PDT 1.04 17 0 Normal
04/18/2026 09 AM PDT 1.04 17 0 Normal
04/18/2026 10 AM PDT 1.04 17 0 Normal
04/18/2026 11 AM PDT 1.04 17 0 Normal
04/18/2026 12 PM PDT 1.04 17 0 Normal
04/18/2026 01 PM PDT 1.03 16 - Normal
04/18/2026 02 PM PDT 1.04 17 + Normal
04/18/2026 03 PM PDT 1.03 16 - Normal
04/18/2026 04 PM PDT 1.04 17 + Normal
04/18/2026 05 PM PDT 1.04 17 0 Normal
04/18/2026 06 PM PDT 1.05 17 + Normal
04/18/2026 07 PM PDT 1.05 17 0 Normal
04/18/2026 08 PM PDT 1.06 17 + Normal
04/18/2026 09 PM PDT 1.05 17 - Normal
04/18/2026 10 PM PDT 1.05 17 0 Normal
04/18/2026 11 PM PDT 1.04 17 - Normal
04/19/2026 12 AM PDT 1.03 16 - Normal
04/19/2026 01 AM PDT 1.02 16 - Normal
04/19/2026 02 AM PDT 1.01 15 - Normal
04/19/2026 03 AM PDT 1.01 15 0 Normal
04/19/2026 04 AM PDT 1.01 15 0 Normal
04/19/2026 05 AM PDT 1.01 15 0 Normal
04/19/2026 06 AM PDT 1.01 15 0 Normal
04/19/2026 07 AM PDT 1.01 15 0 Normal
04/19/2026 08 AM PDT 1.01 15 0 Normal
04/19/2026 09 AM PDT 1.01 15 0 Normal
04/19/2026 10 AM PDT 1.01 15 0 Normal
04/19/2026 11 AM PDT 1.01 15 0 Normal
04/19/2026 12 PM PDT 1.01 15 0 Normal
04/19/2026 01 PM PDT 1.02 16 + Normal
04/19/2026 02 PM PDT 1.03 16 + Normal
04/19/2026 03 PM PDT 1.03 16 0 Normal
04/19/2026 04 PM PDT 1.04 17 + Normal
04/19/2026 05 PM PDT 1.04 17 0 Normal
04/19/2026 06 PM PDT 1.04 17 0 Normal
04/19/2026 07 PM PDT 1.03 16 - Normal
04/19/2026 08 PM PDT 1.02 16 - Normal
04/19/2026 09 PM PDT 1.01 15 - Normal
04/19/2026 10 PM PDT 1.00 15 - Normal
04/19/2026 11 PM PDT 1.00 15 0 Normal
04/20/2026 12 AM PDT 0.99 14 - Normal
04/20/2026 01 AM PDT 0.99 14 0 Normal
04/20/2026 02 AM PDT 0.99 14 0 Normal
04/20/2026 03 AM PDT 0.98 14 - Normal
04/20/2026 04 AM PDT 0.98 14 0 Normal
04/20/2026 05 AM PDT 0.98 14 0 Normal
04/20/2026 06 AM PDT 0.99 14 + Normal
04/20/2026 07 AM PDT 0.99 14 0 Normal
04/20/2026 08 AM PDT 1.00 15 + Normal
04/20/2026 09 AM PDT 1.01 15 + Normal
04/20/2026 10 AM PDT 1.01 15 0 Normal
04/20/2026 11 AM PDT 1.01 15 0 Normal
04/20/2026 12 PM PDT 1.01 15 0 Normal
04/20/2026 01 PM PDT 1.00 15 - Normal
04/20/2026 02 PM PDT 1.00 15 0 Normal
04/20/2026 03 PM PDT 1.00 15 0 Normal
04/20/2026 04 PM PDT 0.99 14 - Normal
04/20/2026 05 PM PDT 0.99 14 0 Normal
04/20/2026 06 PM PDT 0.99 14 0 Normal
04/20/2026 07 PM PDT 1.00 15 + Normal
04/20/2026 08 PM PDT 1.00 15 0 Normal
04/20/2026 09 PM PDT 1.00 15 0 Normal
04/20/2026 10 PM PDT 1.01 15 + Normal
04/20/2026 11 PM PDT 1.02 16 + Normal
04/21/2026 12 AM PDT 1.04 17 + Normal
04/21/2026 01 AM PDT 1.12 21 + Normal
04/21/2026 02 AM PDT 1.42 41 + Normal
04/21/2026 03 AM PDT 2.05 107 + Normal
04/21/2026 04 AM PDT 2.67 205 + Normal
04/21/2026 05 AM PDT 3.12 302 + Normal
04/21/2026 06 AM PDT 3.31 346 + Normal
04/21/2026 07 AM PDT 3.43 374 + Normal
04/21/2026 08 AM PDT 3.29 342 - Normal
04/21/2026 09 AM PDT 3.08 293 - Normal
04/21/2026 10 AM PDT 2.92 256 - Normal
04/21/2026 11 AM PDT 2.83 237 - Normal
04/21/2026 12 PM PDT 2.83 237 0 Normal
04/21/2026 01 PM PDT 2.79 228 - Normal
04/21/2026 02 PM PDT 2.70 211 - Normal
04/21/2026 03 PM PDT 2.61 194 - Normal
04/21/2026 04 PM PDT 2.55 183 - Normal
04/21/2026 05 PM PDT 2.59 190 + Normal
04/21/2026 06 PM PDT 2.54 181 - Normal
04/21/2026 07 PM PDT 2.50 174 - Normal
04/21/2026 08 PM PDT 3.39 365 + Normal
04/21/2026 09 PM PDT 3.84 480 + Normal
04/21/2026 10 PM PDT 3.51 394 - Normal
04/21/2026 11 PM PDT 3.29 342 - Normal
04/22/2026 12 AM PDT 3.08 293 - Normal
04/22/2026 01 AM PDT 2.93 258 - Normal
04/22/2026 02 AM PDT 2.78 226 - Normal
04/22/2026 03 AM PDT 2.63 197 - Normal
04/22/2026 04 AM PDT 2.51 176 - Normal
04/22/2026 05 AM PDT 2.40 157 - Normal
04/22/2026 06 AM PDT 2.30 142 - Normal
04/22/2026 07 AM PDT 2.22 130 - Normal
04/22/2026 08 AM PDT 2.15 120 - Normal
04/22/2026 09 AM PDT 2.09 112 - Normal
04/22/2026 10 AM PDT 2.05 107 - Normal
04/22/2026 11 AM PDT 2.02 103 - Normal
04/22/2026 12 PM PDT 1.99 99 - Normal
04/22/2026 01 PM PDT 1.99 99 0 Normal
04/22/2026 02 PM PDT 1.97 97 - Normal
04/22/2026 03 PM PDT 1.95 95 - Normal
04/22/2026 04 PM PDT 1.93 92 - Normal
04/22/2026 05 PM PDT 1.91 90 - Normal
04/22/2026 06 PM PDT 1.88 87 - Normal
04/22/2026 07 PM PDT 1.87 85 - Normal
04/22/2026 08 PM PDT 1.88 87 + Normal
04/22/2026 09 PM PDT 1.93 92 + Normal
04/22/2026 10 PM PDT 1.94 93 + Normal
04/22/2026 11 PM PDT 1.91 90 - Normal
04/23/2026 12 AM PDT 1.86 84 - Normal
04/23/2026 01 AM PDT 1.80 78 - Normal
04/23/2026 02 AM PDT 1.75 73 - Normal
04/23/2026 03 AM PDT 1.71 69 - Normal
04/23/2026 04 AM PDT 1.67 65 - Normal
04/23/2026 05 AM PDT 1.62 59 - Normal
04/23/2026 06 AM PDT 1.60 57 - Normal
04/23/2026 07 AM PDT 1.59 56 - Normal
#
# FORECAST
#
# Date & Time (Local) Stage (Feet) Flow (cfs) Trend Forecast Status
# ---------------------------------------------------------------------------------
04/23/2026 08 AM PDT 1.58 55 Normal
04/23/2026 09 AM PDT 1.57 54 - Normal
04/23/2026 10 AM PDT 1.56 53 - Normal
04/23/2026 11 AM PDT 1.55 52 - Normal
04/23/2026 12 PM PDT 1.54 51 - Normal
04/23/2026 01 PM PDT 1.53 50 - Normal
04/23/2026 02 PM PDT 1.53 50 0 Normal
04/23/2026 03 PM PDT 1.52 50 - Normal
04/23/2026 04 PM PDT 1.51 49 - Normal
04/23/2026 05 PM PDT 1.51 49 0 Normal
04/23/2026 06 PM PDT 1.50 48 - Normal
04/23/2026 07 PM PDT 1.49 47 - Normal
04/23/2026 08 PM PDT 1.49 47 0 Normal
04/23/2026 09 PM PDT 1.48 46 - Normal
04/23/2026 10 PM PDT 1.47 45 - Normal
04/23/2026 11 PM PDT 1.46 44 - Normal
04/24/2026 12 AM PDT 1.46 44 0 Normal
04/24/2026 01 AM PDT 1.45 43 - Normal
04/24/2026 02 AM PDT 1.44 42 - Normal
04/24/2026 03 AM PDT 1.44 42 0 Normal
04/24/2026 04 AM PDT 1.43 42 - Normal
04/24/2026 05 AM PDT 1.42 41 - Normal
04/24/2026 06 AM PDT 1.41 40 - Normal
04/24/2026 07 AM PDT 1.41 40 0 Normal
04/24/2026 08 AM PDT 1.40 39 - Normal
04/24/2026 09 AM PDT 1.39 38 - Normal
04/24/2026 10 AM PDT 1.39 38 0 Normal
04/24/2026 11 AM PDT 1.38 38 - Normal
04/24/2026 12 PM PDT 1.37 37 - Normal
04/24/2026 01 PM PDT 1.36 36 - Normal
04/24/2026 02 PM PDT 1.35 35 - Normal
04/24/2026 03 PM PDT 1.35 35 0 Normal
04/24/2026 04 PM PDT 1.34 35 - Normal
04/24/2026 05 PM PDT 1.33 34 - Normal
04/24/2026 06 PM PDT 1.32 33 - Normal
04/24/2026 07 PM PDT 1.31 32 - Normal
04/24/2026 08 PM PDT 1.30 32 - Normal
04/24/2026 09 PM PDT 1.30 32 0 Normal
04/24/2026 10 PM PDT 1.29 31 - Normal
04/24/2026 11 PM PDT 1.28 30 - Normal
04/25/2026 12 AM PDT 1.27 30 - Normal
04/25/2026 01 AM PDT 1.26 29 - Normal
04/25/2026 02 AM PDT 1.25 28 - Normal
04/25/2026 03 AM PDT 1.24 28 - Normal
04/25/2026 04 AM PDT 1.24 28 0 Normal
04/25/2026 05 AM PDT 1.23 27 - Normal
04/25/2026 06 AM PDT 1.22 26 - Normal
04/25/2026 07 AM PDT 1.21 26 - Normal
04/25/2026 08 AM PDT 1.21 26 0 Normal
04/25/2026 09 AM PDT 1.20 25 - Normal
04/25/2026 10 AM PDT 1.20 25 0 Normal
04/25/2026 11 AM PDT 1.20 25 0 Normal
04/25/2026 12 PM PDT 1.20 25 0 Normal
04/25/2026 01 PM PDT 1.20 25 0 Normal
04/25/2026 02 PM PDT 1.20 25 0 Normal
04/25/2026 03 PM PDT 1.19 25 - Normal
04/25/2026 04 PM PDT 1.19 25 0 Normal
04/25/2026 05 PM PDT 1.19 25 0 Normal
04/25/2026 06 PM PDT 1.19 25 0 Normal
04/25/2026 07 PM PDT 1.19 25 0 Normal
04/25/2026 08 PM PDT 1.19 25 0 Normal
04/25/2026 09 PM PDT 1.18 24 - Normal
04/25/2026 10 PM PDT 1.18 24 0 Normal
04/25/2026 11 PM PDT 1.18 24 0 Normal
04/26/2026 12 AM PDT 1.18 24 0 Normal
04/26/2026 01 AM PDT 1.18 24 0 Normal
04/26/2026 02 AM PDT 1.18 24 0 Normal
04/26/2026 03 AM PDT 1.18 24 0 Normal
04/26/2026 04 AM PDT 1.17 23 - Normal
04/26/2026 05 AM PDT 1.17 23 0 Normal
04/26/2026 06 AM PDT 1.17 23 0 Normal
04/26/2026 07 AM PDT 1.17 23 0 Normal
04/26/2026 08 AM PDT 1.17 23 0 Normal
04/26/2026 09 AM PDT 1.17 23 0 Normal
04/26/2026 10 AM PDT 1.16 23 - Normal
04/26/2026 11 AM PDT 1.16 23 0 Normal
04/26/2026 12 PM PDT 1.16 23 0 Normal
04/26/2026 01 PM PDT 1.16 23 0 Normal
04/26/2026 02 PM PDT 1.16 23 0 Normal
04/26/2026 03 PM PDT 1.16 23 0 Normal
04/26/2026 04 PM PDT 1.15 22 - Normal
04/26/2026 05 PM PDT 1.15 22 0 Normal
04/26/2026 06 PM PDT 1.15 22 0 Normal
04/26/2026 07 PM PDT 1.15 22 0 Normal
04/26/2026 08 PM PDT 1.15 22 0 Normal
04/26/2026 09 PM PDT 1.15 22 0 Normal
04/26/2026 10 PM PDT 1.14 22 - Normal
04/26/2026 11 PM PDT 1.14 22 0 Normal
04/27/2026 12 AM PDT 1.14 22 0 Normal
04/27/2026 01 AM PDT 1.14 22 0 Normal
04/27/2026 02 AM PDT 1.14 22 0 Normal
04/27/2026 03 AM PDT 1.14 22 0 Normal
04/27/2026 04 AM PDT 1.13 21 - Normal
04/27/2026 05 AM PDT 1.13 21 0 Normal
04/27/2026 06 AM PDT 1.13 21 0 Normal
04/27/2026 07 AM PDT 1.13 21 0 Normal
04/27/2026 08 AM PDT 1.13 21 0 Normal
04/27/2026 09 AM PDT 1.12 21 - Normal
04/27/2026 10 AM PDT 1.12 21 0 Normal
04/27/2026 11 AM PDT 1.12 21 0 Normal
04/27/2026 12 PM PDT 1.12 21 0 Normal
04/27/2026 01 PM PDT 1.12 21 0 Normal
04/27/2026 02 PM PDT 1.12 21 0 Normal
04/27/2026 03 PM PDT 1.11 20 - Normal
04/27/2026 04 PM PDT 1.11 20 0 Normal
04/27/2026 05 PM PDT 1.11 20 0 Normal
04/27/2026 06 PM PDT 1.11 20 0 Normal
04/27/2026 07 PM PDT 1.11 20 0 Normal
04/27/2026 08 PM PDT 1.11 20 0 Normal
04/27/2026 09 PM PDT 1.10 19 - Normal
04/27/2026 10 PM PDT 1.10 19 0 Normal
04/27/2026 11 PM PDT 1.10 19 0 Normal
04/28/2026 12 AM PDT 1.10 19 0 Normal
04/28/2026 01 AM PDT 1.10 19 0 Normal
04/28/2026 02 AM PDT 1.09 19 - Normal
04/28/2026 03 AM PDT 1.09 19 0 Normal
04/28/2026 04 AM PDT 1.09 19 0 Normal
04/28/2026 05 AM PDT 1.09 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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