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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 30 2026 at 7:54 AM PDT | Next Issuance: | May 01 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: 04/30/2026 at 07:55 AM PDT
# Data Interval: 1 Hour
#
# Most Recent Date & Time of Maximum Observed: 04/25/2026 at 07:00 AM PDT
# Maximum Observed Stage: 1.17 Feet
# Maximum Observed Flow: 23 cfs
#
# Earliest Date & Time of Maximum Forecast: 05/05/2026 at 05:00 AM PDT
# Maximum Forecast Stage: 1.01 Feet
# Maximum Forecast Flow: 15 cfs
#
# OBSERVED
#
# Date & Time (Local) Stage (Feet) Flow (cfs) Trend Observed Status
# ---------------------------------------------------------------------------------
04/25/2026 07 AM PDT 1.17 23 Normal
04/25/2026 08 AM PDT 1.16 23 - Normal
04/25/2026 09 AM PDT 1.16 23 0 Normal
04/25/2026 10 AM PDT 1.16 23 0 Normal
04/25/2026 11 AM PDT 1.15 22 - Normal
04/25/2026 12 PM PDT 1.15 22 0 Normal
04/25/2026 01 PM PDT 1.15 22 0 Normal
04/25/2026 02 PM PDT 1.15 22 0 Normal
04/25/2026 03 PM PDT 1.15 22 0 Normal
04/25/2026 04 PM PDT 1.16 23 + Normal
04/25/2026 05 PM PDT 1.16 23 0 Normal
04/25/2026 06 PM PDT 1.15 22 - Normal
04/25/2026 07 PM PDT 1.15 22 0 Normal
04/25/2026 08 PM PDT 1.14 22 - Normal
04/25/2026 09 PM PDT 1.13 21 - Normal
04/25/2026 10 PM PDT 1.12 21 - Normal
04/25/2026 11 PM PDT 1.12 21 0 Normal
04/26/2026 12 AM PDT 1.11 20 - Normal
04/26/2026 01 AM PDT 1.11 20 0 Normal
04/26/2026 02 AM PDT 1.11 20 0 Normal
04/26/2026 03 AM PDT 1.11 20 0 Normal
04/26/2026 04 AM PDT 1.11 20 0 Normal
04/26/2026 05 AM PDT 1.11 20 0 Normal
04/26/2026 06 AM PDT 1.12 21 + Normal
04/26/2026 07 AM PDT 1.13 21 + Normal
04/26/2026 08 AM PDT 1.13 21 0 Normal
04/26/2026 09 AM PDT 1.13 21 0 Normal
04/26/2026 10 AM PDT 1.12 21 - Normal
04/26/2026 11 AM PDT 1.12 21 0 Normal
04/26/2026 12 PM PDT 1.12 21 0 Normal
04/26/2026 01 PM PDT 1.12 21 0 Normal
04/26/2026 02 PM PDT 1.12 21 0 Normal
04/26/2026 03 PM PDT 1.12 21 0 Normal
04/26/2026 04 PM PDT 1.11 20 - Normal
04/26/2026 05 PM PDT 1.11 20 0 Normal
04/26/2026 06 PM PDT 1.10 19 - Normal
04/26/2026 07 PM PDT 1.10 19 0 Normal
04/26/2026 08 PM PDT 1.11 20 + Normal
04/26/2026 09 PM PDT 1.11 20 0 Normal
04/26/2026 10 PM PDT 1.11 20 0 Normal
04/26/2026 11 PM PDT 1.11 20 0 Normal
04/27/2026 12 AM PDT 1.10 19 - Normal
04/27/2026 01 AM PDT 1.09 19 - Normal
04/27/2026 02 AM PDT 1.09 19 0 Normal
04/27/2026 03 AM PDT 1.09 19 0 Normal
04/27/2026 04 AM PDT 1.08 18 - Normal
04/27/2026 05 AM PDT 1.08 18 0 Normal
04/27/2026 06 AM PDT 1.08 18 0 Normal
04/27/2026 07 AM PDT 1.08 18 0 Normal
04/27/2026 08 AM PDT 1.08 18 0 Normal
04/27/2026 09 AM PDT 1.08 18 0 Normal
04/27/2026 10 AM PDT 1.08 18 0 Normal
04/27/2026 11 AM PDT 1.09 19 + Normal
04/27/2026 12 PM PDT 1.09 19 0 Normal
04/27/2026 01 PM PDT 1.09 19 0 Normal
04/27/2026 02 PM PDT 1.09 19 0 Normal
04/27/2026 03 PM PDT 1.09 19 0 Normal
04/27/2026 04 PM PDT 1.08 18 - Normal
04/27/2026 05 PM PDT 1.07 18 - Normal
04/27/2026 06 PM PDT 1.07 18 0 Normal
04/27/2026 07 PM PDT 1.06 17 - Normal
04/27/2026 08 PM PDT 1.06 17 0 Normal
04/27/2026 09 PM PDT 1.05 17 - Normal
04/27/2026 10 PM PDT 1.05 17 0 Normal
04/27/2026 11 PM PDT 1.04 17 - Normal
04/28/2026 12 AM PDT 1.04 17 0 Normal
04/28/2026 01 AM PDT 1.04 17 0 Normal
04/28/2026 02 AM PDT 1.04 17 0 Normal
04/28/2026 03 AM PDT 1.04 17 0 Normal
04/28/2026 04 AM PDT 1.05 17 + Normal
04/28/2026 05 AM PDT 1.05 17 0 Normal
04/28/2026 06 AM PDT 1.05 17 0 Normal
04/28/2026 07 AM PDT 1.05 17 0 Normal
04/28/2026 08 AM PDT 1.04 17 - Normal
04/28/2026 09 AM PDT 1.04 17 0 Normal
04/28/2026 10 AM PDT 1.04 17 0 Normal
04/28/2026 11 AM PDT 1.04 17 0 Normal
04/28/2026 12 PM PDT 1.03 16 - Normal
04/28/2026 01 PM PDT 1.03 16 0 Normal
04/28/2026 02 PM PDT 1.03 16 0 Normal
04/28/2026 03 PM PDT 1.03 16 0 Normal
04/28/2026 04 PM PDT 1.04 17 + Normal
04/28/2026 05 PM PDT 1.05 17 + Normal
04/28/2026 06 PM PDT 1.05 17 0 Normal
04/28/2026 07 PM PDT 1.04 17 - Normal
04/28/2026 08 PM PDT 1.04 17 0 Normal
04/28/2026 09 PM PDT 1.04 17 0 Normal
04/28/2026 10 PM PDT 1.04 17 0 Normal
04/28/2026 11 PM PDT 1.04 17 0 Normal
04/29/2026 12 AM PDT 1.03 16 - Normal
04/29/2026 01 AM PDT 1.02 16 - Normal
04/29/2026 02 AM PDT 1.01 15 - Normal
04/29/2026 03 AM PDT 1.01 15 0 Normal
04/29/2026 04 AM PDT 1.00 15 - Normal
04/29/2026 05 AM PDT 1.00 15 0 Normal
04/29/2026 06 AM PDT 1.00 15 0 Normal
04/29/2026 07 AM PDT 1.00 15 0 Normal
04/29/2026 08 AM PDT 1.00 15 0 Normal
04/29/2026 09 AM PDT 1.00 15 0 Normal
04/29/2026 10 AM PDT 1.00 15 0 Normal
04/29/2026 11 AM PDT 1.00 15 0 Normal
04/29/2026 12 PM PDT 1.00 15 0 Normal
04/29/2026 01 PM PDT 1.00 15 0 Normal
04/29/2026 02 PM PDT 1.01 15 + Normal
04/29/2026 03 PM PDT 1.01 15 0 Normal
04/29/2026 04 PM PDT 1.02 16 + Normal
04/29/2026 05 PM PDT 1.02 16 0 Normal
04/29/2026 06 PM PDT 1.02 16 0 Normal
04/29/2026 07 PM PDT 1.01 15 - Normal
04/29/2026 08 PM PDT 1.00 15 - Normal
04/29/2026 09 PM PDT 0.99 14 - Normal
04/29/2026 10 PM PDT 0.99 14 0 Normal
04/29/2026 11 PM PDT 0.98 14 - Normal
04/30/2026 12 AM PDT 0.97 13 - Normal
04/30/2026 01 AM PDT 0.97 13 0 Normal
04/30/2026 02 AM PDT 0.97 13 0 Normal
04/30/2026 03 AM PDT 0.97 13 0 Normal
04/30/2026 04 AM PDT 0.97 13 0 Normal
04/30/2026 05 AM PDT 0.98 14 + Normal
04/30/2026 06 AM PDT 0.98 14 0 Normal
04/30/2026 07 AM PDT 0.98 14 0 Normal
#
# FORECAST
#
# Date & Time (Local) Stage (Feet) Flow (cfs) Trend Forecast Status
# ---------------------------------------------------------------------------------
04/30/2026 08 AM PDT 0.98 14 Normal
04/30/2026 09 AM PDT 0.97 13 - Normal
04/30/2026 10 AM PDT 0.97 13 0 Normal
04/30/2026 11 AM PDT 0.97 13 0 Normal
04/30/2026 12 PM PDT 0.97 13 0 Normal
04/30/2026 01 PM PDT 0.96 13 - Normal
04/30/2026 02 PM PDT 0.96 13 0 Normal
04/30/2026 03 PM PDT 0.96 13 0 Normal
04/30/2026 04 PM PDT 0.95 13 - Normal
04/30/2026 05 PM PDT 0.95 13 0 Normal
04/30/2026 06 PM PDT 0.95 13 0 Normal
04/30/2026 07 PM PDT 0.95 13 0 Normal
04/30/2026 08 PM PDT 0.94 12 - Normal
04/30/2026 09 PM PDT 0.94 12 0 Normal
04/30/2026 10 PM PDT 0.94 12 0 Normal
04/30/2026 11 PM PDT 0.94 12 0 Normal
05/01/2026 12 AM PDT 0.93 12 - Normal
05/01/2026 01 AM PDT 0.93 12 0 Normal
05/01/2026 02 AM PDT 0.93 12 0 Normal
05/01/2026 03 AM PDT 0.92 12 - Normal
05/01/2026 04 AM PDT 0.92 12 0 Normal
05/01/2026 05 AM PDT 0.92 12 0 Normal
05/01/2026 06 AM PDT 0.92 12 0 Normal
05/01/2026 07 AM PDT 0.91 11 - Normal
05/01/2026 08 AM PDT 0.91 11 0 Normal
05/01/2026 09 AM PDT 0.91 11 0 Normal
05/01/2026 10 AM PDT 0.90 11 - Normal
05/01/2026 11 AM PDT 0.90 11 0 Normal
05/01/2026 12 PM PDT 0.90 11 0 Normal
05/01/2026 01 PM PDT 0.90 11 0 Normal
05/01/2026 02 PM PDT 0.89 10 - Normal
05/01/2026 03 PM PDT 0.89 10 0 Normal
05/01/2026 04 PM PDT 0.89 10 0 Normal
05/01/2026 05 PM PDT 0.88 10 - Normal
05/01/2026 06 PM PDT 0.88 10 0 Normal
05/01/2026 07 PM PDT 0.88 10 0 Normal
05/01/2026 08 PM PDT 0.87 10 - Normal
05/01/2026 09 PM PDT 0.87 10 0 Normal
05/01/2026 10 PM PDT 0.87 10 0 Normal
05/01/2026 11 PM PDT 0.86 9 - Normal
05/02/2026 12 AM PDT 0.86 9 0 Normal
05/02/2026 01 AM PDT 0.86 9 0 Normal
05/02/2026 02 AM PDT 0.85 9 - Normal
05/02/2026 03 AM PDT 0.85 9 0 Normal
05/02/2026 04 AM PDT 0.85 9 0 Normal
05/02/2026 05 AM PDT 0.84 9 - Normal
05/02/2026 06 AM PDT 0.84 9 0 Normal
05/02/2026 07 AM PDT 0.84 9 0 Normal
05/02/2026 08 AM PDT 0.84 9 0 Normal
05/02/2026 09 AM PDT 0.83 8 - Normal
05/02/2026 10 AM PDT 0.83 8 0 Normal
05/02/2026 11 AM PDT 0.83 8 0 Normal
05/02/2026 12 PM PDT 0.83 8 0 Normal
05/02/2026 01 PM PDT 0.83 8 0 Normal
05/02/2026 02 PM PDT 0.83 8 0 Normal
05/02/2026 03 PM PDT 0.83 8 0 Normal
05/02/2026 04 PM PDT 0.83 8 0 Normal
05/02/2026 05 PM PDT 0.83 8 0 Normal
05/02/2026 06 PM PDT 0.83 8 0 Normal
05/02/2026 07 PM PDT 0.83 8 0 Normal
05/02/2026 08 PM PDT 0.83 8 0 Normal
05/02/2026 09 PM PDT 0.83 8 0 Normal
05/02/2026 10 PM PDT 0.83 8 0 Normal
05/02/2026 11 PM PDT 0.82 8 - Normal
05/03/2026 12 AM PDT 0.82 8 0 Normal
05/03/2026 01 AM PDT 0.82 8 0 Normal
05/03/2026 02 AM PDT 0.82 8 0 Normal
05/03/2026 03 AM PDT 0.82 8 0 Normal
05/03/2026 04 AM PDT 0.82 8 0 Normal
05/03/2026 05 AM PDT 0.82 8 0 Normal
05/03/2026 06 AM PDT 0.82 8 0 Normal
05/03/2026 07 AM PDT 0.82 8 0 Normal
05/03/2026 08 AM PDT 0.82 8 0 Normal
05/03/2026 09 AM PDT 0.82 8 0 Normal
05/03/2026 10 AM PDT 0.82 8 0 Normal
05/03/2026 11 AM PDT 0.81 8 - Normal
05/03/2026 12 PM PDT 0.81 8 0 Normal
05/03/2026 01 PM PDT 0.81 8 0 Normal
05/03/2026 02 PM PDT 0.81 8 0 Normal
05/03/2026 03 PM PDT 0.81 8 0 Normal
05/03/2026 04 PM PDT 0.81 8 0 Normal
05/03/2026 05 PM PDT 0.81 8 0 Normal
05/03/2026 06 PM PDT 0.81 8 0 Normal
05/03/2026 07 PM PDT 0.81 8 0 Normal
05/03/2026 08 PM PDT 0.81 8 0 Normal
05/03/2026 09 PM PDT 0.81 8 0 Normal
05/03/2026 10 PM PDT 0.81 8 0 Normal
05/03/2026 11 PM PDT 0.81 8 0 Normal
05/04/2026 12 AM PDT 0.81 8 0 Normal
05/04/2026 01 AM PDT 0.80 8 - Normal
05/04/2026 02 AM PDT 0.80 8 0 Normal
05/04/2026 03 AM PDT 0.80 8 0 Normal
05/04/2026 04 AM PDT 0.80 8 0 Normal
05/04/2026 05 AM PDT 0.80 8 0 Normal
05/04/2026 06 AM PDT 0.80 8 0 Normal
05/04/2026 07 AM PDT 0.80 8 0 Normal
05/04/2026 08 AM PDT 0.80 8 0 Normal
05/04/2026 09 AM PDT 0.80 8 0 Normal
05/04/2026 10 AM PDT 0.80 8 0 Normal
05/04/2026 11 AM PDT 0.80 8 0 Normal
05/04/2026 12 PM PDT 0.80 8 0 Normal
05/04/2026 01 PM PDT 0.80 8 0 Normal
05/04/2026 02 PM PDT 0.80 8 0 Normal
05/04/2026 03 PM PDT 0.82 8 + Normal
05/04/2026 04 PM PDT 0.84 9 + Normal
05/04/2026 05 PM PDT 0.87 10 + Normal
05/04/2026 06 PM PDT 0.88 10 + Normal
05/04/2026 07 PM PDT 0.90 11 + Normal
05/04/2026 08 PM PDT 0.92 12 + Normal
05/04/2026 09 PM PDT 0.92 12 0 Normal
05/04/2026 10 PM PDT 0.92 12 0 Normal
05/04/2026 11 PM PDT 0.91 11 - Normal
05/05/2026 12 AM PDT 0.92 12 + Normal
05/05/2026 01 AM PDT 0.92 12 0 Normal
05/05/2026 02 AM PDT 0.94 12 + Normal
05/05/2026 03 AM PDT 0.96 13 + Normal
05/05/2026 04 AM PDT 0.99 14 + Normal
05/05/2026 05 AM PDT 1.01 15 + 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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