National Weather Service California-Nevada River Forecast Center Department of Commerce National Oceanic and Atmospheric Administration National Weather Service

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ARROYO DE LA LAGUNA - VERONA (ADLC1)
Latitude: 37.63º NLongitude: 121.88º WElevation: 280 FeetForecast Type: Unofficial Location
Location: Alameda County in CaliforniaBulletin Group: Central CoastRiver Group: South Bay
Issuance Time: Nov 02 2026 at 12:53 PM PSTNext Issuance: Nov 03 2026 at 9:00 AM PST
Action: N/A Minor Flood: 15.0 FeetModerate Flood: 17.0 FeetMajor Flood: N/A


# Tabular Observed and Forecast Hydrograph Information
#
# Location: Arroyo De La Laguna - Verona (ADLC1)
#
# File Generation Time:  11/02/2026 at 12:54 PM PST
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  11/01/2026 at 11:00 AM PST
# Maximum Observed Stage:                       1.96 Feet
# Maximum Observed Flow:                        97 cfs
#
# Earliest Date & Time of Maximum Forecast:     11/03/2026 at 08:00 PM PST
# Maximum Forecast Stage:                       1.64 Feet
# Maximum Forecast Flow:                        64 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  10/28/2026 01 PM PDT            0.81             10                        Normal
  10/28/2026 02 PM PDT            0.72              7         -              Normal
  10/28/2026 03 PM PDT            0.72              7         0              Normal
  10/28/2026 04 PM PDT            0.72              7         0              Normal
  10/28/2026 05 PM PDT            0.72              7         0              Normal
  10/28/2026 06 PM PDT            0.72              7         0              Normal
  10/28/2026 07 PM PDT            0.72              7         0              Normal
  10/28/2026 08 PM PDT            0.72              7         0              Normal
  10/28/2026 09 PM PDT            0.72              7         0              Normal
  10/28/2026 10 PM PDT            0.71              7         -              Normal
  10/28/2026 11 PM PDT            0.73              7         +              Normal
  10/29/2026 12 AM PDT            0.73              7         0              Normal
  10/29/2026 01 AM PDT            0.73              7         0              Normal
  10/29/2026 02 AM PDT            0.73              7         0              Normal
  10/29/2026 03 AM PDT            0.74              8         +              Normal
  10/29/2026 04 AM PDT            0.74              8         0              Normal
  10/29/2026 05 AM PDT            0.75              8         +              Normal
  10/29/2026 06 AM PDT            0.75              8         0              Normal
  10/29/2026 07 AM PDT            0.75              8         0              Normal
  10/29/2026 08 AM PDT            0.74              8         -              Normal
  10/29/2026 09 AM PDT            0.74              8         0              Normal
  10/29/2026 10 AM PDT            0.74              8         0              Normal
  10/29/2026 11 AM PDT            0.74              8         0              Normal
  10/29/2026 12 PM PDT            0.74              8         0              Normal
  10/29/2026 01 PM PDT            0.75              8         +              Normal
  10/29/2026 02 PM PDT            0.75              8         0              Normal
  10/29/2026 03 PM PDT            0.75              8         0              Normal
  10/29/2026 04 PM PDT            0.75              8         0              Normal
  10/29/2026 05 PM PDT            0.74              8         -              Normal
  10/29/2026 06 PM PDT            0.74              8         0              Normal
  10/29/2026 07 PM PDT            0.74              8         0              Normal
  10/29/2026 08 PM PDT            0.73              7         -              Normal
  10/29/2026 09 PM PDT            0.73              7         0              Normal
  10/29/2026 10 PM PDT            0.73              7         0              Normal
  10/29/2026 11 PM PDT            0.73              7         0              Normal
  10/30/2026 12 AM PDT            0.73              7         0              Normal
  10/30/2026 01 AM PDT            0.73              7         0              Normal
  10/30/2026 02 AM PDT            0.73              7         0              Normal
  10/30/2026 03 AM PDT            0.73              7         0              Normal
  10/30/2026 04 AM PDT            0.74              8         +              Normal
  10/30/2026 05 AM PDT            0.74              8         0              Normal
  10/30/2026 06 AM PDT            0.74              8         0              Normal
  10/30/2026 07 AM PDT            0.74              8         0              Normal
  10/30/2026 08 AM PDT            0.74              8         0              Normal
  10/30/2026 09 AM PDT            0.74              8         0              Normal
  10/30/2026 10 AM PDT            0.73              7         -              Normal
  10/30/2026 11 AM PDT            0.73              7         0              Normal
  10/30/2026 12 PM PDT            0.73              7         0              Normal
  10/30/2026 01 PM PDT            0.73              7         0              Normal
  10/30/2026 02 PM PDT            0.73              7         0              Normal
  10/30/2026 03 PM PDT            0.73              7         0              Normal
  10/30/2026 04 PM PDT            0.73              7         0              Normal
  10/30/2026 05 PM PDT            0.73              7         0              Normal
  10/30/2026 06 PM PDT            0.73              7         0              Normal
  10/30/2026 07 PM PDT            0.73              7         0              Normal
  10/30/2026 08 PM PDT            0.73              7         0              Normal
  10/30/2026 09 PM PDT            0.73              7         0              Normal
  10/30/2026 10 PM PDT            0.73              7         0              Normal
  10/30/2026 11 PM PDT            0.74              8         +              Normal
  10/31/2026 12 AM PDT            0.74              8         0              Normal
  10/31/2026 01 AM PDT            0.74              8         0              Normal
  10/31/2026 02 AM PDT            0.75              8         +              Normal
  10/31/2026 03 AM PDT            0.75              8         0              Normal
  10/31/2026 04 AM PDT            0.75              8         0              Normal
  10/31/2026 05 AM PDT            0.75              8         0              Normal
  10/31/2026 06 AM PDT            0.75              8         0              Normal
  10/31/2026 07 AM PDT            0.75              8         0              Normal
  10/31/2026 08 AM PDT            0.75              8         0              Normal
  10/31/2026 09 AM PDT            0.74              8         -              Normal
  10/31/2026 10 AM PDT            0.74              8         0              Normal
  10/31/2026 11 AM PDT            0.74              8         0              Normal
  10/31/2026 12 PM PDT            0.73              7         -              Normal
  10/31/2026 01 PM PDT            0.73              7         0              Normal
  10/31/2026 02 PM PDT            0.73              7         0              Normal
  10/31/2026 03 PM PDT            0.73              7         0              Normal
  10/31/2026 04 PM PDT            0.73              7         0              Normal
  10/31/2026 05 PM PDT            0.73              7         0              Normal
  10/31/2026 06 PM PDT            0.73              7         0              Normal
  10/31/2026 07 PM PDT            0.73              7         0              Normal
  10/31/2026 08 PM PDT            0.73              7         0              Normal
  10/31/2026 09 PM PDT            0.73              7         0              Normal
  10/31/2026 10 PM PDT            0.74              8         +              Normal
  10/31/2026 11 PM PDT            0.74              8         0              Normal
  11/01/2026 12 AM PDT            0.74              8         0              Normal
  11/01/2026 01 AM PDT            0.75              8         +              Normal
  11/01/2026 01 AM PST            0.75              8         0              Normal
  11/01/2026 02 AM PST            0.75              8         0              Normal
  11/01/2026 03 AM PST            0.75              8         0              Normal
  11/01/2026 04 AM PST            0.75              8         0              Normal
  11/01/2026 05 AM PST            0.75              8         0              Normal
  11/01/2026 06 AM PST            0.76              8         +              Normal
  11/01/2026 07 AM PST            0.76              8         0              Normal
  11/01/2026 08 AM PST            0.78              9         +              Normal
  11/01/2026 09 AM PST            1.06             21         +              Normal
  11/01/2026 10 AM PST            1.86             86         +              Normal
  11/01/2026 11 AM PST            1.96             97         +              Normal
  11/01/2026 12 PM PST            1.86             86         -              Normal
  11/01/2026 01 PM PST            1.74             73         -              Normal
  11/01/2026 02 PM PST            1.64             64         -              Normal
  11/01/2026 03 PM PST            1.60             60         -              Normal
  11/01/2026 04 PM PST            1.60             60         0              Normal
  11/01/2026 05 PM PST            1.58             58         -              Normal
  11/01/2026 06 PM PST            1.55             56         -              Normal
  11/01/2026 07 PM PST            1.52             53         -              Normal
  11/01/2026 08 PM PST            1.48             50         -              Normal
  11/01/2026 09 PM PST            1.46             49         -              Normal
  11/01/2026 10 PM PST            1.44             47         -              Normal
  11/01/2026 11 PM PST            1.42             46         -              Normal
  11/02/2026 12 AM PST            1.39             43         -              Normal
  11/02/2026 01 AM PST            1.35             40         -              Normal
  11/02/2026 02 AM PST            1.31             37         -              Normal
  11/02/2026 03 AM PST            1.28             35         -              Normal
  11/02/2026 04 AM PST            1.23             31         -              Normal
  11/02/2026 05 AM PST            1.19             28         -              Normal
  11/02/2026 06 AM PST            1.15             26         -              Normal
  11/02/2026 07 AM PST            1.11             23         -              Normal
  11/02/2026 08 AM PST            1.08             22         -              Normal
  11/02/2026 09 AM PST            1.05             20         -              Normal
  11/02/2026 10 AM PST            1.02             18         -              Normal
  11/02/2026 11 AM PST            1.00             17         -              Normal
  11/02/2026 12 PM PST            0.99             17         -              Normal
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  11/02/2026 01 PM PST            0.98             17                        Normal
  11/02/2026 02 PM PST            0.97             16         -              Normal
  11/02/2026 03 PM PST            0.97             16         0              Normal
  11/02/2026 04 PM PST            0.96             16         -              Normal
  11/02/2026 05 PM PST            0.95             15         -              Normal
  11/02/2026 06 PM PST            0.95             15         0              Normal
  11/02/2026 07 PM PST            0.94             15         -              Normal
  11/02/2026 08 PM PST            0.94             15         0              Normal
  11/02/2026 09 PM PST            0.93             14         -              Normal
  11/02/2026 10 PM PST            0.93             14         0              Normal
  11/02/2026 11 PM PST            0.92             14         -              Normal
  11/03/2026 12 AM PST            0.92             14         0              Normal
  11/03/2026 01 AM PST            0.91             13         -              Normal
  11/03/2026 02 AM PST            0.91             13         0              Normal
  11/03/2026 03 AM PST            0.90             13         -              Normal
  11/03/2026 04 AM PST            0.90             13         0              Normal
  11/03/2026 05 AM PST            0.89             13         -              Normal
  11/03/2026 06 AM PST            0.89             13         0              Normal
  11/03/2026 07 AM PST            0.88             12         -              Normal
  11/03/2026 08 AM PST            0.87             12         -              Normal
  11/03/2026 09 AM PST            0.87             12         0              Normal
  11/03/2026 10 AM PST            0.87             12         0              Normal
  11/03/2026 11 AM PST            0.90             13         +              Normal
  11/03/2026 12 PM PST            0.98             17         +              Normal
  11/03/2026 01 PM PST            1.12             24         +              Normal
  11/03/2026 02 PM PST            1.26             33         +              Normal
  11/03/2026 03 PM PST            1.36             41         +              Normal
  11/03/2026 04 PM PST            1.42             46         +              Normal
  11/03/2026 05 PM PST            1.48             50         +              Normal
  11/03/2026 06 PM PST            1.56             57         +              Normal
  11/03/2026 07 PM PST            1.63             63         +              Normal
  11/03/2026 08 PM PST            1.64             64         +              Normal
  11/03/2026 09 PM PST            1.62             62         -              Normal
  11/03/2026 10 PM PST            1.59             59         -              Normal
  11/03/2026 11 PM PST            1.55             56         -              Normal
  11/04/2026 12 AM PST            1.47             49         -              Normal
  11/04/2026 01 AM PST            1.39             43         -              Normal
  11/04/2026 02 AM PST            1.32             38         -              Normal
  11/04/2026 03 AM PST            1.25             32         -              Normal
  11/04/2026 04 AM PST            1.19             28         -              Normal
  11/04/2026 05 AM PST            1.12             24         -              Normal
  11/04/2026 06 AM PST            1.06             21         -              Normal
  11/04/2026 07 AM PST            1.00             17         -              Normal
  11/04/2026 08 AM PST            0.94             15         -              Normal
  11/04/2026 09 AM PST            0.89             13         -              Normal
  11/04/2026 10 AM PST            0.85             11         -              Normal
  11/04/2026 11 AM PST            0.81             10         -              Normal
  11/04/2026 12 PM PST            0.77              8         -              Normal
  11/04/2026 01 PM PST            0.74              8         -              Normal
  11/04/2026 02 PM PST            0.71              7         -              Normal
  11/04/2026 03 PM PST            0.69              6         -              Normal
  11/04/2026 04 PM PST            0.67              6         -              Normal
  11/04/2026 05 PM PST            0.65              5         -              Normal
  11/04/2026 06 PM PST            0.63              5         -              Normal
  11/04/2026 07 PM PST            0.62              5         -              Normal
  11/04/2026 08 PM PST            0.60              4         -              Normal
  11/04/2026 09 PM PST            0.58              4         -              Normal
  11/04/2026 10 PM PST            0.57              4         -              Normal
  11/04/2026 11 PM PST            0.56              3         -              Normal
  11/05/2026 12 AM PST            0.55              3         -              Normal
  11/05/2026 01 AM PST            0.55              3         0              Normal
  11/05/2026 02 AM PST            0.55              3         0              Normal
  11/05/2026 03 AM PST            0.54              3         -              Normal
  11/05/2026 04 AM PST            0.54              3         0              Normal
  11/05/2026 05 AM PST            0.54              3         0              Normal
  11/05/2026 06 AM PST            0.54              3         0              Normal
  11/05/2026 07 AM PST            0.54              3         0              Normal
  11/05/2026 08 AM PST            0.54              3         0              Normal
  11/05/2026 09 AM PST            0.54              3         0              Normal
  11/05/2026 10 AM PST            0.54              3         0              Normal
  11/05/2026 11 AM PST            0.54              3         0              Normal
  11/05/2026 12 PM PST            0.53              3         -              Normal
  11/05/2026 01 PM PST            0.53              3         0              Normal
  11/05/2026 02 PM PST            0.53              3         0              Normal
  11/05/2026 03 PM PST            0.53              3         0              Normal
  11/05/2026 04 PM PST            0.53              3         0              Normal
  11/05/2026 05 PM PST            0.53              3         0              Normal
  11/05/2026 06 PM PST            0.53              3         0              Normal
  11/05/2026 07 PM PST            0.53              3         0              Normal
  11/05/2026 08 PM PST            0.53              3         0              Normal
  11/05/2026 09 PM PST            0.53              3         0              Normal
  11/05/2026 10 PM PST            0.53              3         0              Normal
  11/05/2026 11 PM PST            0.52              3         -              Normal
  11/06/2026 12 AM PST            0.52              3         0              Normal
  11/06/2026 01 AM PST            0.52              3         0              Normal
  11/06/2026 02 AM PST            0.52              3         0              Normal
  11/06/2026 03 AM PST            0.52              3         0              Normal
  11/06/2026 04 AM PST            0.52              3         0              Normal
  11/06/2026 05 AM PST            0.52              3         0              Normal
  11/06/2026 06 AM PST            0.52              3         0              Normal
  11/06/2026 07 AM PST            0.52              3         0              Normal
  11/06/2026 08 AM PST            0.52              3         0              Normal
  11/06/2026 09 AM PST            0.51              3         -              Normal
  11/06/2026 10 AM PST            0.51              3         0              Normal
  11/06/2026 11 AM PST            0.51              3         0              Normal
  11/06/2026 12 PM PST            0.51              3         0              Normal
  11/06/2026 01 PM PST            0.51              3         0              Normal
  11/06/2026 02 PM PST            0.51              3         0              Normal
  11/06/2026 03 PM PST            0.51              3         0              Normal
  11/06/2026 04 PM PST            0.51              3         0              Normal
  11/06/2026 05 PM PST            0.51              3         0              Normal
  11/06/2026 06 PM PST            0.51              3         0              Normal
  11/06/2026 07 PM PST            0.50              3         -              Normal
  11/06/2026 08 PM PST            0.50              3         0              Normal
  11/06/2026 09 PM PST            0.50              3         0              Normal
  11/06/2026 10 PM PST            0.50              3         0              Normal
  11/06/2026 11 PM PST            0.50              3         0              Normal
  11/07/2026 12 AM PST            0.50              3         0              Normal
  11/07/2026 01 AM PST            0.50              3         0              Normal
  11/07/2026 02 AM PST            0.50              3         0              Normal
  11/07/2026 03 AM PST            0.50              3         0              Normal
  11/07/2026 04 AM PST            0.49              2         -              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.