National Weather Service California Nevada River Forecast Center Department of Commerce National Oceanic and Atmospheric Administration National Weather Service
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MAD RIVER - ARCATA (ARCC1)
Latitude: 40.91º NLongitude: 124.06º WElevation: 13 Feet
Location: Humboldt County in CaliforniaRiver Group: North Coast
Issuance Time: Jan 20 2018 at 8:47 AM PSTNext Issuance: Jan 21 2018 at 9:00 AM PST
Monitor Stage: 15.0 FeetFlood Stage: 22.0 Feet

# Tabular River Observed & Forecast - Hydrograph Information
#
# File Generation Time:  01/20/2018  08:48 AM PST
# Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  01/19/2018 04 AM PST
# Maximum Observed Stage:                       10.5 Feet
# Maximum Observed Flow:                        5502 cfs
#
# Earliest Date & Time of Maximum Forecast:     01/24/2018 10 PM PST
# Maximum Forecast Stage:                       12.0 Feet
# Maximum Forecast Flow:                        8827 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  01/15/2018 08 AM PST             6.9            514                        Normal
  01/15/2018 09 AM PST             6.9            509         -              Normal
  01/15/2018 10 AM PST             6.9            505         -              Normal
  01/15/2018 11 AM PST             6.9            509         +              Normal
  01/15/2018 12 PM PST             6.9            496         -              Normal
  01/15/2018 01 PM PST             6.9            500         +              Normal
  01/15/2018 02 PM PST             6.8            491         -              Normal
  01/15/2018 03 PM PST             6.8            487         -              Normal
  01/15/2018 04 PM PST             6.8            479         -              Normal
  01/15/2018 05 PM PST             6.8            479         0              Normal
  01/15/2018 06 PM PST             6.8            474         -              Normal
  01/15/2018 07 PM PST             6.8            487         +              Normal
  01/15/2018 08 PM PST             6.8            483         -              Normal
  01/15/2018 09 PM PST             6.8            487         +              Normal
  01/15/2018 10 PM PST             6.9            496         +              Normal
  01/15/2018 11 PM PST             6.8            491         -              Normal
  01/16/2018 12 AM PST             6.9            500         +              Normal
  01/16/2018 01 AM PST             6.9            509         +              Normal
  01/16/2018 02 AM PST             6.9            505         -              Normal
  01/16/2018 03 AM PST             6.9            518         +              Normal
  01/16/2018 04 AM PST             7.0            541         +              Normal
  01/16/2018 05 AM PST             7.0            576         +              Normal
  01/16/2018 06 AM PST             7.1            602         +              Normal
  01/16/2018 07 AM PST             7.2            659         +              Normal
  01/16/2018 08 AM PST             7.3            707         +              Normal
  01/16/2018 09 AM PST             7.3            764         +              Normal
  01/16/2018 10 AM PST             7.4            811         +              Normal
  01/16/2018 11 AM PST             7.5            854         +              Normal
  01/16/2018 12 PM PST             7.5            877         +              Normal
  01/16/2018 01 PM PST             7.5            895         +              Normal
  01/16/2018 02 PM PST             7.6            930         +              Normal
  01/16/2018 03 PM PST             7.6            977         +              Normal
  01/16/2018 04 PM PST             7.6            977         0              Normal
  01/16/2018 05 PM PST             7.7           1076         +              Normal
  01/16/2018 06 PM PST             7.8           1162         +              Normal
  01/16/2018 07 PM PST             7.8           1151         -              Normal
  01/16/2018 08 PM PST             7.8           1118         -              Normal
  01/16/2018 09 PM PST             7.7           1108         -              Normal
  01/16/2018 10 PM PST             7.7           1097         -              Normal
  01/16/2018 11 PM PST             7.7           1076         -              Normal
  01/17/2018 12 AM PST             7.7           1076         0              Normal
  01/17/2018 01 AM PST             7.7           1016         -              Normal
  01/17/2018 02 AM PST             7.6            987         -              Normal
  01/17/2018 03 AM PST             7.6            940         -              Normal
  01/17/2018 04 AM PST             7.6            940         0              Normal
  01/17/2018 05 AM PST             7.6            921         -              Normal
  01/17/2018 06 AM PST             7.5            895         -              Normal
  01/17/2018 07 AM PST             7.5            877         -              Normal
  01/17/2018 08 AM PST             7.5            854         -              Normal
  01/17/2018 09 AM PST             7.4            825         -              Normal
  01/17/2018 10 AM PST             7.4            811         -              Normal
  01/17/2018 11 AM PST             7.4            811         0              Normal
  01/17/2018 12 PM PST             7.4            798         -              Normal
  01/17/2018 01 PM PST             7.4            784         -              Normal
  01/17/2018 02 PM PST             7.4            784         0              Normal
  01/17/2018 03 PM PST             7.4            771         -              Normal
  01/17/2018 04 PM PST             7.3            751         -              Normal
  01/17/2018 05 PM PST             7.3            744         -              Normal
  01/17/2018 06 PM PST             7.3            738         -              Normal
  01/17/2018 07 PM PST             7.3            713         -              Normal
  01/17/2018 08 PM PST             7.3            713         0              Normal
  01/17/2018 09 PM PST             7.2            688         -              Normal
  01/17/2018 10 PM PST             7.2            688         0              Normal
  01/17/2018 11 PM PST             7.2            694         +              Normal
  01/18/2018 12 AM PST             7.2            676         -              Normal
  01/18/2018 01 AM PST             7.3            719         +              Normal
  01/18/2018 02 AM PST             7.3            744         +              Normal
  01/18/2018 03 AM PST             7.4            784         +              Normal
  01/18/2018 04 AM PST             7.4            818         +              Normal
  01/18/2018 05 AM PST             7.5            861         +              Normal
  01/18/2018 06 AM PST             7.5            895         +              Normal
  01/18/2018 07 AM PST             7.7           1097         +              Normal
  01/18/2018 08 AM PST             8.1           1516         +              Normal
  01/18/2018 09 AM PST             8.4           1952         +              Normal
  01/18/2018 10 AM PST             8.6           2152         +              Normal
  01/18/2018 11 AM PST             8.7           2368         +              Normal
  01/18/2018 12 PM PST             8.8           2507         +              Normal
  01/18/2018 01 PM PST             9.0           2865         +              Normal
  01/18/2018 02 PM PST             9.1           3017         +              Normal
  01/18/2018 03 PM PST             9.2           3208         +              Normal
  01/18/2018 04 PM PST             9.3           3324         +              Normal
  01/18/2018 05 PM PST             9.5           3637         +              Normal
  01/18/2018 06 PM PST             9.6           3881         +              Normal
  01/18/2018 07 PM PST             9.8           4155         +              Normal
  01/18/2018 08 PM PST            10.0           4501         +              Normal
  01/18/2018 09 PM PST            10.2           4807         +              Normal
  01/18/2018 10 PM PST            10.3           5032         +              Normal
  01/18/2018 11 PM PST            10.4           5206         +              Normal
  01/19/2018 12 AM PST            10.4           5324         +              Normal
  01/19/2018 01 AM PST            10.4           5304         -              Normal
  01/19/2018 02 AM PST            10.5           5344         +              Normal
  01/19/2018 03 AM PST            10.4           5324         -              Normal
  01/19/2018 04 AM PST            10.5           5502         +              Normal
  01/19/2018 05 AM PST            10.4           5284         -              Normal
  01/19/2018 06 AM PST            10.4           5245         -              Normal
  01/19/2018 07 AM PST            10.3           5070         -              Normal
  01/19/2018 08 AM PST            10.2           4918         -              Normal
  01/19/2018 09 AM PST            10.2           4844         -              Normal
  01/19/2018 10 AM PST            10.2           4807         -              Normal
  01/19/2018 11 AM PST            10.1           4589         -              Normal
  01/19/2018 12 PM PST            10.0           4482         -              Normal
  01/19/2018 01 PM PST             9.9           4370         -              Normal
  01/19/2018 02 PM PST             9.9           4298         -              Normal
  01/19/2018 03 PM PST             9.8           4190         -              Normal
  01/19/2018 04 PM PST             9.8           4138         -              Normal
  01/19/2018 05 PM PST             9.8           4068         -              Normal
  01/19/2018 06 PM PST             9.7           3965         -              Normal
  01/19/2018 07 PM PST             9.6           3864         -              Normal
  01/19/2018 08 PM PST             9.6           3798         -              Normal
  01/19/2018 09 PM PST             9.5           3717         -              Normal
  01/19/2018 10 PM PST             9.6           3733         +              Normal
  01/19/2018 11 PM PST             9.5           3583         -              Normal
  01/20/2018 12 AM PST             9.5           3565         -              Normal
  01/20/2018 01 AM PST             9.4           3495         -              Normal
  01/20/2018 02 AM PST             9.4           3477         -              Normal
  01/20/2018 03 AM PST             9.4           3391         -              Normal
  01/20/2018 04 AM PST             9.4           3408         +              Normal
  01/20/2018 05 AM PST             9.3           3274         -              Normal
  01/20/2018 06 AM PST             9.2           3208         -              Normal
  01/20/2018 07 AM PST             9.2           3176         -              Normal
  01/20/2018 08 AM PST             9.2           3098         -              Normal
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  01/20/2018 09 AM PST             9.1           3030                        Normal
  01/20/2018 10 AM PST             9.1           2975         -              Normal
  01/20/2018 11 AM PST             9.1           2931         -              Normal
  01/20/2018 12 PM PST             9.1           2896         -              Normal
  01/20/2018 01 PM PST             9.0           2868         -              Normal
  01/20/2018 02 PM PST             9.0           2848         -              Normal
  01/20/2018 03 PM PST             9.0           2832         -              Normal
  01/20/2018 04 PM PST             9.0           2820         -              Normal
  01/20/2018 05 PM PST             9.0           2808         -              Normal
  01/20/2018 06 PM PST             9.0           2793         -              Normal
  01/20/2018 07 PM PST             9.0           2772         -              Normal
  01/20/2018 08 PM PST             9.0           2744         -              Normal
  01/20/2018 09 PM PST             8.9           2707         -              Normal
  01/20/2018 10 PM PST             8.9           2664         -              Normal
  01/20/2018 11 PM PST             8.9           2618         -              Normal
  01/21/2018 12 AM PST             8.9           2573         -              Normal
  01/21/2018 01 AM PST             8.8           2528         -              Normal
  01/21/2018 02 AM PST             8.8           2486         -              Normal
  01/21/2018 03 AM PST             8.8           2446         -              Normal
  01/21/2018 04 AM PST             8.7           2409         -              Normal
  01/21/2018 05 AM PST             8.7           2375         -              Normal
  01/21/2018 06 AM PST             8.7           2343         -              Normal
  01/21/2018 07 AM PST             8.7           2312         -              Normal
  01/21/2018 08 AM PST             8.7           2281         -              Normal
  01/21/2018 09 AM PST             8.6           2251         -              Normal
  01/21/2018 10 AM PST             8.6           2224         -              Normal
  01/21/2018 11 AM PST             8.6           2200         -              Normal
  01/21/2018 12 PM PST             8.6           2184         -              Normal
  01/21/2018 01 PM PST             8.6           2178         -              Normal
  01/21/2018 02 PM PST             8.6           2189         +              Normal
  01/21/2018 03 PM PST             8.6           2225         +              Normal
  01/21/2018 04 PM PST             8.7           2295         +              Normal
  01/21/2018 05 PM PST             8.7           2412         +              Normal
  01/21/2018 06 PM PST             8.9           2615         +              Normal
  01/21/2018 07 PM PST             9.1           2975         +              Normal
  01/21/2018 08 PM PST             9.4           3534         +              Normal
  01/21/2018 09 PM PST             9.9           4236         +              Normal
  01/21/2018 10 PM PST            10.3           5063         +              Normal
  01/21/2018 11 PM PST            10.7           5784         +              Normal
  01/22/2018 12 AM PST            11.0           6501         +              Normal
  01/22/2018 01 AM PST            11.3           7103         +              Normal
  01/22/2018 02 AM PST            11.4           7409         +              Normal
  01/22/2018 03 AM PST            11.5           7535         +              Normal
  01/22/2018 04 AM PST            11.5           7536         +              Normal
  01/22/2018 05 AM PST            11.4           7427         -              Normal
  01/22/2018 06 AM PST            11.3           7201         -              Normal
  01/22/2018 07 AM PST            11.2           6851         -              Normal
  01/22/2018 08 AM PST            11.0           6421         -              Normal
  01/22/2018 09 AM PST            10.8           5964         -              Normal
  01/22/2018 10 AM PST            10.6           5635         -              Normal
  01/22/2018 11 AM PST            10.4           5270         -              Normal
  01/22/2018 12 PM PST            10.2           4904         -              Normal
  01/22/2018 01 PM PST            10.0           4552         -              Normal
  01/22/2018 02 PM PST             9.9           4231         -              Normal
  01/22/2018 03 PM PST             9.7           3961         -              Normal
  01/22/2018 04 PM PST             9.6           3760         -              Normal
  01/22/2018 05 PM PST             9.5           3587         -              Normal
  01/22/2018 06 PM PST             9.4           3438         -              Normal
  01/22/2018 07 PM PST             9.3           3313         -              Normal
  01/22/2018 08 PM PST             9.3           3211         -              Normal
  01/22/2018 09 PM PST             9.2           3132         -              Normal
  01/22/2018 10 PM PST             9.2           3076         -              Normal
  01/22/2018 11 PM PST             9.1           3039         -              Normal
  01/23/2018 12 AM PST             9.1           3016         -              Normal
  01/23/2018 01 AM PST             9.1           3004         -              Normal
  01/23/2018 02 AM PST             9.1           3002         -              Normal
  01/23/2018 03 AM PST             9.1           3011         +              Normal
  01/23/2018 04 AM PST             9.1           3031         +              Normal
  01/23/2018 05 AM PST             9.2           3061         +              Normal
  01/23/2018 06 AM PST             9.2           3099         +              Normal
  01/23/2018 07 AM PST             9.2           3144         +              Normal
  01/23/2018 08 AM PST             9.2           3193         +              Normal
  01/23/2018 09 AM PST             9.3           3242         +              Normal
  01/23/2018 10 AM PST             9.3           3291         +              Normal
  01/23/2018 11 AM PST             9.3           3338         +              Normal
  01/23/2018 12 PM PST             9.4           3381         +              Normal
  01/23/2018 01 PM PST             9.4           3420         +              Normal
  01/23/2018 02 PM PST             9.4           3454         +              Normal
  01/23/2018 03 PM PST             9.4           3487         +              Normal
  01/23/2018 04 PM PST             9.4           3521         +              Normal
  01/23/2018 05 PM PST             9.5           3560         +              Normal
  01/23/2018 06 PM PST             9.5           3611         +              Normal
  01/23/2018 07 PM PST             9.5           3685         +              Normal
  01/23/2018 08 PM PST             9.6           3788         +              Normal
  01/23/2018 09 PM PST             9.7           3911         +              Normal
  01/23/2018 10 PM PST             9.7           4046         +              Normal
  01/23/2018 11 PM PST             9.8           4186         +              Normal
  01/24/2018 12 AM PST             9.9           4306         +              Normal
  01/24/2018 01 AM PST             9.9           4406         +              Normal
  01/24/2018 02 AM PST            10.0           4487         +              Normal
  01/24/2018 03 AM PST            10.0           4550         +              Normal
  01/24/2018 04 AM PST            10.1           4597         +              Normal
  01/24/2018 05 AM PST            10.1           4633         +              Normal
  01/24/2018 06 AM PST            10.1           4665         +              Normal
  01/24/2018 07 AM PST            10.1           4698         +              Normal
  01/24/2018 08 AM PST            10.1           4738         +              Normal
  01/24/2018 09 AM PST            10.2           4793         +              Normal
  01/24/2018 10 AM PST            10.2           4873         +              Normal
  01/24/2018 11 AM PST            10.3           5001         +              Normal
  01/24/2018 12 PM PST            10.4           5213         +              Normal
  01/24/2018 01 PM PST            10.6           5550         +              Normal
  01/24/2018 02 PM PST            10.8           6016         +              Normal
  01/24/2018 03 PM PST            11.1           6772         +              Normal
  01/24/2018 04 PM PST            11.4           7367         +              Normal
  01/24/2018 05 PM PST            11.6           7842         +              Normal
  01/24/2018 06 PM PST            11.9           8389         +              Normal
  01/24/2018 07 PM PST            12.0           8653         +              Normal
  01/24/2018 08 PM PST            12.0           8774         +              Normal
  01/24/2018 09 PM PST            12.0           8824         +              Normal
  01/24/2018 10 PM PST            12.0           8827         +              Normal
  01/24/2018 11 PM PST            12.0           8785         -              Normal
  01/25/2018 12 AM PST            12.0           8688         -              Normal
  01/25/2018 01 AM PST            11.9           8534         -              Normal
  01/25/2018 02 AM PST            11.8           8351         -              Normal
  01/25/2018 03 AM PST            11.8           8155         -              Normal
  01/25/2018 04 AM PST            11.7           7972         -              Normal

# NOTE 1: Stages are rounded to the nearest tenth (.1) 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/or flow.
# NOTE 4: Maximum Values are determined using unrounded stage and/or flow.