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 Feet
Location: Alameda County in CaliforniaBulletin Group: Central CoastRiver Group: South Bay
Issuance Time: May 04 2025 at 10:10 AM PDTNext Issuance: May 05 2025 at 9:00 AM PDT
Action/Monitor: 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:  05/04/2025 at 10:11 AM PDT
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  04/30/2025 at 02:00 AM PDT
# Maximum Observed Stage:                       1.03 Feet
# Maximum Observed Flow:                        14 cfs
#
# Earliest Date & Time of Maximum Forecast:     05/04/2025 at 11:00 AM PDT
# Maximum Forecast Stage:                       1.01 Feet
# Maximum Forecast Flow:                        13 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  04/29/2025 10 AM PDT            1.03             14                        Normal
  04/29/2025 11 AM PDT            1.03             14         0              Normal
  04/29/2025 12 PM PDT            1.02             13         -              Normal
  04/29/2025 01 PM PDT            1.02             13         0              Normal
  04/29/2025 02 PM PDT            1.02             13         0              Normal
  04/29/2025 03 PM PDT            1.02             13         0              Normal
  04/29/2025 04 PM PDT            1.02             13         0              Normal
  04/29/2025 05 PM PDT            1.02             13         0              Normal
  04/29/2025 06 PM PDT            1.03             14         +              Normal
  04/29/2025 07 PM PDT            1.03             14         0              Normal
  04/29/2025 08 PM PDT            1.02             13         -              Normal
  04/29/2025 09 PM PDT            1.02             13         0              Normal
  04/29/2025 10 PM PDT            1.02             13         0              Normal
  04/29/2025 11 PM PDT            1.03             14         +              Normal
  04/30/2025 12 AM PDT            1.03             14         0              Normal
  04/30/2025 01 AM PDT            1.03             14         0              Normal
  04/30/2025 02 AM PDT            1.03             14         0              Normal
  04/30/2025 03 AM PDT            1.02             13         -              Normal
  04/30/2025 04 AM PDT            1.02             13         0              Normal
  04/30/2025 05 AM PDT            1.01             13         -              Normal
  04/30/2025 06 AM PDT            1.00             12         -              Normal
  04/30/2025 07 AM PDT            1.00             12         0              Normal
  04/30/2025 08 AM PDT            1.00             12         0              Normal
  04/30/2025 09 AM PDT            1.00             12         0              Normal
  04/30/2025 10 AM PDT            0.99             12         -              Normal
  04/30/2025 11 AM PDT            0.99             12         0              Normal
  04/30/2025 12 PM PDT            1.00             12         +              Normal
  04/30/2025 01 PM PDT            1.01             13         +              Normal
  04/30/2025 02 PM PDT            1.01             13         0              Normal
  04/30/2025 03 PM PDT            1.02             13         +              Normal
  04/30/2025 04 PM PDT            1.02             13         0              Normal
  04/30/2025 05 PM PDT            1.02             13         0              Normal
  04/30/2025 06 PM PDT            1.02             13         0              Normal
  04/30/2025 07 PM PDT            1.01             13         -              Normal
  04/30/2025 08 PM PDT            1.01             13         0              Normal
  04/30/2025 09 PM PDT            1.00             12         -              Normal
  04/30/2025 10 PM PDT            1.00             12         0              Normal
  04/30/2025 11 PM PDT            0.99             12         -              Normal
  05/01/2025 12 AM PDT            0.99             12         0              Normal
  05/01/2025 01 AM PDT            0.99             12         0              Normal
  05/01/2025 02 AM PDT            0.98             11         -              Normal
  05/01/2025 03 AM PDT            0.98             11         0              Normal
  05/01/2025 04 AM PDT            0.98             11         0              Normal
  05/01/2025 05 AM PDT            0.99             12         +              Normal
  05/01/2025 06 AM PDT            1.00             12         +              Normal
  05/01/2025 07 AM PDT            1.00             12         0              Normal
  05/01/2025 08 AM PDT            1.00             12         0              Normal
  05/01/2025 09 AM PDT            1.00             12         0              Normal
  05/01/2025 10 AM PDT            1.00             12         0              Normal
  05/01/2025 11 AM PDT            1.00             12         0              Normal
  05/01/2025 12 PM PDT            0.99             12         -              Normal
  05/01/2025 01 PM PDT            0.99             12         0              Normal
  05/01/2025 02 PM PDT            0.99             12         0              Normal
  05/01/2025 03 PM PDT            0.99             12         0              Normal
  05/01/2025 04 PM PDT            0.99             12         0              Normal
  05/01/2025 05 PM PDT            0.99             12         0              Normal
  05/01/2025 06 PM PDT            1.00             12         +              Normal
  05/01/2025 07 PM PDT            0.99             12         -              Normal
  05/01/2025 08 PM PDT            0.99             12         0              Normal
  05/01/2025 09 PM PDT            0.99             12         0              Normal
  05/01/2025 10 PM PDT            0.99             12         0              Normal
  05/01/2025 11 PM PDT            1.00             12         +              Normal
  05/02/2025 12 AM PDT            1.00             12         0              Normal
  05/02/2025 01 AM PDT            1.00             12         0              Normal
  05/02/2025 02 AM PDT            0.99             12         -              Normal
  05/02/2025 03 AM PDT            0.99             12         0              Normal
  05/02/2025 04 AM PDT            0.99             12         0              Normal
  05/02/2025 05 AM PDT            0.98             11         -              Normal
  05/02/2025 06 AM PDT            0.99             12         +              Normal
  05/02/2025 07 AM PDT            0.99             12         0              Normal
  05/02/2025 08 AM PDT            0.99             12         0              Normal
  05/02/2025 09 AM PDT            0.99             12         0              Normal
  05/02/2025 10 AM PDT            0.99             12         0              Normal
  05/02/2025 11 AM PDT            0.99             12         0              Normal
  05/02/2025 12 PM PDT            0.99             12         0              Normal
  05/02/2025 01 PM PDT            0.99             12         0              Normal
  05/02/2025 02 PM PDT            0.99             12         0              Normal
  05/02/2025 03 PM PDT            1.00             12         +              Normal
  05/02/2025 04 PM PDT            1.01             13         +              Normal
  05/02/2025 05 PM PDT            1.01             13         0              Normal
  05/02/2025 06 PM PDT            1.01             13         0              Normal
  05/02/2025 07 PM PDT            1.00             12         -              Normal
  05/02/2025 08 PM PDT            0.99             12         -              Normal
  05/02/2025 09 PM PDT            0.99             12         0              Normal
  05/02/2025 10 PM PDT            0.98             11         -              Normal
  05/02/2025 11 PM PDT            0.98             11         0              Normal
  05/03/2025 12 AM PDT            0.98             11         0              Normal
  05/03/2025 01 AM PDT            0.98             11         0              Normal
  05/03/2025 02 AM PDT            0.98             11         0              Normal
  05/03/2025 03 AM PDT            0.99             12         +              Normal
  05/03/2025 04 AM PDT            0.99             12         0              Normal
  05/03/2025 05 AM PDT            0.99             12         0              Normal
  05/03/2025 06 AM PDT            0.99             12         0              Normal
  05/03/2025 07 AM PDT            0.99             12         0              Normal
  05/03/2025 08 AM PDT            0.98             11         -              Normal
  05/03/2025 09 AM PDT            0.98             11         0              Normal
  05/03/2025 10 AM PDT            0.99             12         +              Normal
  05/03/2025 11 AM PDT            0.99             12         0              Normal
  05/03/2025 12 PM PDT            0.99             12         0              Normal
  05/03/2025 01 PM PDT            0.99             12         0              Normal
  05/03/2025 02 PM PDT            1.00             12         +              Normal
  05/03/2025 03 PM PDT            1.00             12         0              Normal
  05/03/2025 04 PM PDT            1.00             12         0              Normal
  05/03/2025 05 PM PDT            1.01             13         +              Normal
  05/03/2025 06 PM PDT            1.01             13         0              Normal
  05/03/2025 07 PM PDT            1.01             13         0              Normal
  05/03/2025 08 PM PDT            1.02             13         +              Normal
  05/03/2025 09 PM PDT            1.02             13         0              Normal
  05/03/2025 10 PM PDT            1.01             13         -              Normal
  05/03/2025 11 PM PDT            1.01             13         0              Normal
  05/04/2025 12 AM PDT            1.01             13         0              Normal
  05/04/2025 01 AM PDT            1.01             13         0              Normal
  05/04/2025 02 AM PDT            1.00             12         -              Normal
  05/04/2025 03 AM PDT            1.00             12         0              Normal
  05/04/2025 04 AM PDT            1.00             12         0              Normal
  05/04/2025 05 AM PDT            1.00             12         0              Normal
  05/04/2025 06 AM PDT            1.01             13         +              Normal
  05/04/2025 07 AM PDT            1.01             13         0              Normal
  05/04/2025 08 AM PDT            1.01             13         0              Normal
  05/04/2025 09 AM PDT            1.01             13         0              Normal
  05/04/2025 10 AM PDT            1.01             13         0              Normal
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  05/04/2025 11 AM PDT            1.01             13                        Normal
  05/04/2025 12 PM PDT            1.01             13         0              Normal
  05/04/2025 01 PM PDT            1.01             13         0              Normal
  05/04/2025 02 PM PDT            1.01             13         0              Normal
  05/04/2025 03 PM PDT            1.01             13         0              Normal
  05/04/2025 04 PM PDT            1.01             13         0              Normal
  05/04/2025 05 PM PDT            1.01             13         0              Normal
  05/04/2025 06 PM PDT            1.01             13         0              Normal
  05/04/2025 07 PM PDT            1.01             13         0              Normal
  05/04/2025 08 PM PDT            1.01             13         0              Normal
  05/04/2025 09 PM PDT            1.01             13         0              Normal
  05/04/2025 10 PM PDT            1.01             13         0              Normal
  05/04/2025 11 PM PDT            1.01             13         0              Normal
  05/05/2025 12 AM PDT            1.01             13         0              Normal
  05/05/2025 01 AM PDT            1.01             13         0              Normal
  05/05/2025 02 AM PDT            1.01             13         0              Normal
  05/05/2025 03 AM PDT            1.01             13         0              Normal
  05/05/2025 04 AM PDT            1.01             13         0              Normal
  05/05/2025 05 AM PDT            1.01             13         0              Normal
  05/05/2025 06 AM PDT            1.01             13         0              Normal
  05/05/2025 07 AM PDT            1.01             13         0              Normal
  05/05/2025 08 AM PDT            1.01             13         0              Normal
  05/05/2025 09 AM PDT            1.01             13         0              Normal
  05/05/2025 10 AM PDT            1.01             13         0              Normal
  05/05/2025 11 AM PDT            1.01             13         0              Normal
  05/05/2025 12 PM PDT            1.01             13         0              Normal
  05/05/2025 01 PM PDT            1.01             13         0              Normal
  05/05/2025 02 PM PDT            1.01             13         0              Normal
  05/05/2025 03 PM PDT            1.01             13         0              Normal
  05/05/2025 04 PM PDT            1.01             13         0              Normal
  05/05/2025 05 PM PDT            1.01             13         0              Normal
  05/05/2025 06 PM PDT            1.01             13         0              Normal
  05/05/2025 07 PM PDT            1.01             13         0              Normal
  05/05/2025 08 PM PDT            1.01             13         0              Normal
  05/05/2025 09 PM PDT            1.01             13         0              Normal
  05/05/2025 10 PM PDT            1.01             13         0              Normal
  05/05/2025 11 PM PDT            1.01             13         0              Normal
  05/06/2025 12 AM PDT            1.01             13         0              Normal
  05/06/2025 01 AM PDT            1.01             13         0              Normal
  05/06/2025 02 AM PDT            1.01             13         0              Normal
  05/06/2025 03 AM PDT            1.01             13         0              Normal
  05/06/2025 04 AM PDT            1.01             13         0              Normal
  05/06/2025 05 AM PDT            1.01             13         0              Normal
  05/06/2025 06 AM PDT            1.01             13         0              Normal
  05/06/2025 07 AM PDT            1.01             13         0              Normal
  05/06/2025 08 AM PDT            1.01             13         0              Normal
  05/06/2025 09 AM PDT            1.01             13         0              Normal
  05/06/2025 10 AM PDT            1.01             13         0              Normal
  05/06/2025 11 AM PDT            1.01             13         0              Normal
  05/06/2025 12 PM PDT            1.01             13         0              Normal
  05/06/2025 01 PM PDT            1.01             13         0              Normal
  05/06/2025 02 PM PDT            1.01             13         0              Normal
  05/06/2025 03 PM PDT            1.01             13         0              Normal
  05/06/2025 04 PM PDT            1.01             13         0              Normal
  05/06/2025 05 PM PDT            1.01             13         0              Normal
  05/06/2025 06 PM PDT            1.01             13         0              Normal
  05/06/2025 07 PM PDT            1.00             12         -              Normal
  05/06/2025 08 PM PDT            1.00             12         0              Normal
  05/06/2025 09 PM PDT            1.00             12         0              Normal
  05/06/2025 10 PM PDT            1.00             12         0              Normal
  05/06/2025 11 PM PDT            1.00             12         0              Normal
  05/07/2025 12 AM PDT            1.00             12         0              Normal
  05/07/2025 01 AM PDT            1.00             12         0              Normal
  05/07/2025 02 AM PDT            1.00             12         0              Normal
  05/07/2025 03 AM PDT            1.00             12         0              Normal
  05/07/2025 04 AM PDT            1.00             12         0              Normal
  05/07/2025 05 AM PDT            1.00             12         0              Normal
  05/07/2025 06 AM PDT            1.00             12         0              Normal
  05/07/2025 07 AM PDT            1.00             12         0              Normal
  05/07/2025 08 AM PDT            1.00             12         0              Normal
  05/07/2025 09 AM PDT            1.00             12         0              Normal
  05/07/2025 10 AM PDT            1.00             12         0              Normal
  05/07/2025 11 AM PDT            1.00             12         0              Normal
  05/07/2025 12 PM PDT            1.00             12         0              Normal
  05/07/2025 01 PM PDT            1.00             12         0              Normal
  05/07/2025 02 PM PDT            1.00             12         0              Normal
  05/07/2025 03 PM PDT            1.00             12         0              Normal
  05/07/2025 04 PM PDT            1.00             12         0              Normal
  05/07/2025 05 PM PDT            1.00             12         0              Normal
  05/07/2025 06 PM PDT            1.00             12         0              Normal
  05/07/2025 07 PM PDT            1.00             12         0              Normal
  05/07/2025 08 PM PDT            1.00             12         0              Normal
  05/07/2025 09 PM PDT            1.00             12         0              Normal
  05/07/2025 10 PM PDT            1.00             12         0              Normal
  05/07/2025 11 PM PDT            1.00             12         0              Normal
  05/08/2025 12 AM PDT            1.00             12         0              Normal
  05/08/2025 01 AM PDT            1.00             12         0              Normal
  05/08/2025 02 AM PDT            1.00             12         0              Normal
  05/08/2025 03 AM PDT            1.00             12         0              Normal
  05/08/2025 04 AM PDT            1.00             12         0              Normal
  05/08/2025 05 AM PDT            1.00             12         0              Normal
  05/08/2025 06 AM PDT            1.00             12         0              Normal
  05/08/2025 07 AM PDT            1.00             12         0              Normal
  05/08/2025 08 AM PDT            1.00             12         0              Normal
  05/08/2025 09 AM PDT            1.00             12         0              Normal
  05/08/2025 10 AM PDT            1.00             12         0              Normal
  05/08/2025 11 AM PDT            1.00             12         0              Normal
  05/08/2025 12 PM PDT            1.00             12         0              Normal
  05/08/2025 01 PM PDT            1.00             12         0              Normal
  05/08/2025 02 PM PDT            1.00             12         0              Normal
  05/08/2025 03 PM PDT            1.00             12         0              Normal
  05/08/2025 04 PM PDT            1.00             12         0              Normal
  05/08/2025 05 PM PDT            1.00             12         0              Normal
  05/08/2025 06 PM PDT            1.00             12         0              Normal
  05/08/2025 07 PM PDT            1.00             12         0              Normal
  05/08/2025 08 PM PDT            1.00             12         0              Normal
  05/08/2025 09 PM PDT            1.00             12         0              Normal
  05/08/2025 10 PM PDT            1.00             12         0              Normal
  05/08/2025 11 PM PDT            1.00             12         0              Normal
  05/09/2025 12 AM PDT            1.00             12         0              Normal
  05/09/2025 01 AM PDT            1.00             12         0              Normal
  05/09/2025 02 AM PDT            1.00             12         0              Normal
  05/09/2025 03 AM PDT            1.00             12         0              Normal
  05/09/2025 04 AM PDT            1.00             12         0              Normal
  05/09/2025 05 AM PDT            1.00             12         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.