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: Apr 22 2019 at 7:57 AM PDTNext Issuance: Apr 23 2019 at 9:00 AM PDT
Monitor Stage: 15.0 FeetFlood Stage: 22.0 Feet

# Tabular River Observed & Forecast - Hydrograph Information
#
# File Generation Time:  04/22/2019  07:58 AM PDT
# Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  04/17/2019 07 AM PDT
# Maximum Observed Stage:                       8.9 Feet
# Maximum Observed Flow:                        1697 cfs
#
# Earliest Date & Time of Maximum Forecast:     04/22/2019 08 AM PDT
# Maximum Forecast Stage:                       8.3 Feet
# Maximum Forecast Flow:                        1142 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  04/17/2019 07 AM PDT             8.9           1697                        Normal
  04/17/2019 08 AM PDT             8.9           1678         -              Normal
  04/17/2019 09 AM PDT             8.9           1669         -              Normal
  04/17/2019 10 AM PDT             8.9           1669         0              Normal
  04/17/2019 11 AM PDT             8.9           1659         -              Normal
  04/17/2019 12 PM PDT             8.8           1613         -              Normal
  04/17/2019 01 PM PDT             8.9           1650         +              Normal
  04/17/2019 02 PM PDT             8.9           1669         +              Normal
  04/17/2019 03 PM PDT             8.9           1640         -              Normal
  04/17/2019 04 PM PDT             8.8           1622         -              Normal
  04/17/2019 05 PM PDT             8.8           1622         0              Normal
  04/17/2019 06 PM PDT             8.8           1613         -              Normal
  04/17/2019 07 PM PDT             8.8           1565         -              Normal
  04/17/2019 08 PM PDT             8.8           1575         +              Normal
  04/17/2019 09 PM PDT             8.8           1547         -              Normal
  04/17/2019 10 PM PDT             8.8           1603         +              Normal
  04/17/2019 11 PM PDT             8.8           1575         -              Normal
  04/18/2019 12 AM PDT             8.8           1547         -              Normal
  04/18/2019 01 AM PDT             8.8           1547         0              Normal
  04/18/2019 02 AM PDT             8.7           1528         -              Normal
  04/18/2019 03 AM PDT             8.7           1528         0              Normal
  04/18/2019 04 AM PDT             8.7           1519         -              Normal
  04/18/2019 05 AM PDT             8.7           1501         -              Normal
  04/18/2019 06 AM PDT             8.7           1510         +              Normal
  04/18/2019 07 AM PDT             8.7           1501         -              Normal
  04/18/2019 08 AM PDT             8.7           1492         -              Normal
  04/18/2019 09 AM PDT             8.7           1474         -              Normal
  04/18/2019 10 AM PDT             8.7           1474         0              Normal
  04/18/2019 11 AM PDT             8.7           1474         0              Normal
  04/18/2019 12 PM PDT             8.6           1439         -              Normal
  04/18/2019 01 PM PDT             8.6           1439         0              Normal
  04/18/2019 02 PM PDT             8.7           1456         +              Normal
  04/18/2019 03 PM PDT             8.7           1456         0              Normal
  04/18/2019 04 PM PDT             8.6           1439         -              Normal
  04/18/2019 05 PM PDT             8.6           1439         0              Normal
  04/18/2019 06 PM PDT             8.7           1448         +              Normal
  04/18/2019 07 PM PDT             8.6           1430         -              Normal
  04/18/2019 08 PM PDT             8.6           1413         -              Normal
  04/18/2019 09 PM PDT             8.6           1430         +              Normal
  04/18/2019 10 PM PDT             8.6           1421         -              Normal
  04/18/2019 11 PM PDT             8.6           1387         -              Normal
  04/19/2019 12 AM PDT             8.6           1387         0              Normal
  04/19/2019 01 AM PDT             8.6           1404         +              Normal
  04/19/2019 02 AM PDT             8.6           1379         -              Normal
  04/19/2019 03 AM PDT             8.6           1379         0              Normal
  04/19/2019 04 AM PDT             8.6           1379         0              Normal
  04/19/2019 05 AM PDT             8.6           1370         -              Normal
  04/19/2019 06 AM PDT             8.6           1370         0              Normal
  04/19/2019 07 AM PDT             8.6           1387         +              Normal
  04/19/2019 08 AM PDT             8.6           1362         -              Normal
  04/19/2019 09 AM PDT             8.6           1370         +              Normal
  04/19/2019 10 AM PDT             8.6           1370         0              Normal
  04/19/2019 11 AM PDT             8.6           1413         +              Normal
  04/19/2019 12 PM PDT             8.6           1404         -              Normal
  04/19/2019 01 PM PDT             8.6           1421         +              Normal
  04/19/2019 02 PM PDT             8.6           1404         -              Normal
  04/19/2019 03 PM PDT             8.6           1396         -              Normal
  04/19/2019 04 PM PDT             8.6           1387         -              Normal
  04/19/2019 05 PM PDT             8.6           1379         -              Normal
  04/19/2019 06 PM PDT             8.6           1370         -              Normal
  04/19/2019 07 PM PDT             8.6           1362         -              Normal
  04/19/2019 08 PM PDT             8.5           1354         -              Normal
  04/19/2019 09 PM PDT             8.5           1345         -              Normal
  04/19/2019 10 PM PDT             8.6           1370         +              Normal
  04/19/2019 11 PM PDT             8.5           1337         -              Normal
  04/20/2019 12 AM PDT             8.5           1345         +              Normal
  04/20/2019 01 AM PDT             8.5           1337         -              Normal
  04/20/2019 02 AM PDT             8.5           1345         +              Normal
  04/20/2019 03 AM PDT             8.5           1337         -              Normal
  04/20/2019 04 AM PDT             8.5           1345         +              Normal
  04/20/2019 05 AM PDT             8.5           1321         -              Normal
  04/20/2019 06 AM PDT             8.5           1321         0              Normal
  04/20/2019 07 AM PDT             8.5           1329         +              Normal
  04/20/2019 08 AM PDT             8.5           1313         -              Normal
  04/20/2019 09 AM PDT             8.5           1313         0              Normal
  04/20/2019 10 AM PDT             8.5           1313         0              Normal
  04/20/2019 11 AM PDT             8.5           1296         -              Normal
  04/20/2019 12 PM PDT             8.5           1288         -              Normal
  04/20/2019 01 PM PDT             8.5           1288         0              Normal
  04/20/2019 02 PM PDT             8.5           1313         +              Normal
  04/20/2019 03 PM PDT             8.5           1296         -              Normal
  04/20/2019 04 PM PDT             8.5           1304         +              Normal
  04/20/2019 05 PM PDT             8.5           1296         -              Normal
  04/20/2019 06 PM PDT             8.5           1296         0              Normal
  04/20/2019 07 PM PDT             8.5           1296         0              Normal
  04/20/2019 08 PM PDT             8.5           1304         +              Normal
  04/20/2019 09 PM PDT             8.5           1296         -              Normal
  04/20/2019 10 PM PDT             8.5           1296         0              Normal
  04/20/2019 11 PM PDT             8.5           1288         -              Normal
  04/21/2019 12 AM PDT             8.5           1280         -              Normal
  04/21/2019 01 AM PDT             8.5           1288         +              Normal
  04/21/2019 02 AM PDT             8.5           1288         0              Normal
  04/21/2019 03 AM PDT             8.5           1288         0              Normal
  04/21/2019 04 AM PDT             8.5           1304         +              Normal
  04/21/2019 05 AM PDT             8.5           1288         -              Normal
  04/21/2019 06 AM PDT             8.5           1280         -              Normal
  04/21/2019 07 AM PDT             8.4           1265         -              Normal
  04/21/2019 08 AM PDT             8.4           1265         0              Normal
  04/21/2019 09 AM PDT             8.4           1265         0              Normal
  04/21/2019 10 AM PDT             8.4           1257         -              Normal
  04/21/2019 11 AM PDT             8.4           1249         -              Normal
  04/21/2019 12 PM PDT             8.4           1249         0              Normal
  04/21/2019 01 PM PDT             8.4           1234         -              Normal
  04/21/2019 02 PM PDT             8.4           1234         0              Normal
  04/21/2019 03 PM PDT             8.4           1218         -              Normal
  04/21/2019 04 PM PDT             8.4           1211         -              Normal
  04/21/2019 05 PM PDT             8.4           1218         +              Normal
  04/21/2019 06 PM PDT             8.4           1218         0              Normal
  04/21/2019 07 PM PDT             8.4           1196         -              Normal
  04/21/2019 08 PM PDT             8.4           1196         0              Normal
  04/21/2019 09 PM PDT             8.3           1172         -              Normal
  04/21/2019 10 PM PDT             8.3           1180         +              Normal
  04/21/2019 11 PM PDT             8.3           1180         0              Normal
  04/22/2019 12 AM PDT             8.3           1180         0              Normal
  04/22/2019 01 AM PDT             8.3           1149         -              Normal
  04/22/2019 02 AM PDT             8.3           1172         +              Normal
  04/22/2019 03 AM PDT             8.3           1149         -              Normal
  04/22/2019 04 AM PDT             8.3           1149         0              Normal
  04/22/2019 05 AM PDT             8.3           1127         -              Normal
  04/22/2019 06 AM PDT             8.3           1149         +              Normal
  04/22/2019 07 AM PDT             8.3           1145         -              Normal
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  04/22/2019 08 AM PDT             8.3           1142                        Normal
  04/22/2019 09 AM PDT             8.3           1138         -              Normal
  04/22/2019 10 AM PDT             8.3           1134         -              Normal
  04/22/2019 11 AM PDT             8.3           1131         -              Normal
  04/22/2019 12 PM PDT             8.3           1127         -              Normal
  04/22/2019 01 PM PDT             8.3           1124         -              Normal
  04/22/2019 02 PM PDT             8.3           1120         -              Normal
  04/22/2019 03 PM PDT             8.2           1117         -              Normal
  04/22/2019 04 PM PDT             8.2           1114         -              Normal
  04/22/2019 05 PM PDT             8.2           1110         -              Normal
  04/22/2019 06 PM PDT             8.2           1107         -              Normal
  04/22/2019 07 PM PDT             8.2           1104         -              Normal
  04/22/2019 08 PM PDT             8.2           1101         -              Normal
  04/22/2019 09 PM PDT             8.2           1098         -              Normal
  04/22/2019 10 PM PDT             8.2           1095         -              Normal
  04/22/2019 11 PM PDT             8.2           1091         -              Normal
  04/23/2019 12 AM PDT             8.2           1088         -              Normal
  04/23/2019 01 AM PDT             8.2           1085         -              Normal
  04/23/2019 02 AM PDT             8.2           1083         -              Normal
  04/23/2019 03 AM PDT             8.2           1080         -              Normal
  04/23/2019 04 AM PDT             8.2           1077         -              Normal
  04/23/2019 05 AM PDT             8.2           1074         -              Normal
  04/23/2019 06 AM PDT             8.2           1071         -              Normal
  04/23/2019 07 AM PDT             8.2           1068         -              Normal
  04/23/2019 08 AM PDT             8.2           1065         -              Normal
  04/23/2019 09 AM PDT             8.2           1062         -              Normal
  04/23/2019 10 AM PDT             8.2           1059         -              Normal
  04/23/2019 11 AM PDT             8.2           1056         -              Normal
  04/23/2019 12 PM PDT             8.2           1054         -              Normal
  04/23/2019 01 PM PDT             8.2           1051         -              Normal
  04/23/2019 02 PM PDT             8.2           1048         -              Normal
  04/23/2019 03 PM PDT             8.1           1046         -              Normal
  04/23/2019 04 PM PDT             8.1           1043         -              Normal
  04/23/2019 05 PM PDT             8.1           1040         -              Normal
  04/23/2019 06 PM PDT             8.1           1037         -              Normal
  04/23/2019 07 PM PDT             8.1           1035         -              Normal
  04/23/2019 08 PM PDT             8.1           1032         -              Normal
  04/23/2019 09 PM PDT             8.1           1029         -              Normal
  04/23/2019 10 PM PDT             8.1           1027         -              Normal
  04/23/2019 11 PM PDT             8.1           1024         -              Normal
  04/24/2019 12 AM PDT             8.1           1021         -              Normal
  04/24/2019 01 AM PDT             8.1           1019         -              Normal
  04/24/2019 02 AM PDT             8.1           1016         -              Normal
  04/24/2019 03 AM PDT             8.1           1014         -              Normal
  04/24/2019 04 AM PDT             8.1           1011         -              Normal
  04/24/2019 05 AM PDT             8.1           1008         -              Normal
  04/24/2019 06 AM PDT             8.1           1006         -              Normal
  04/24/2019 07 AM PDT             8.1           1003         -              Normal
  04/24/2019 08 AM PDT             8.1           1001         -              Normal
  04/24/2019 09 AM PDT             8.1            998         -              Normal
  04/24/2019 10 AM PDT             8.1            996         -              Normal
  04/24/2019 11 AM PDT             8.1            993         -              Normal
  04/24/2019 12 PM PDT             8.1            990         -              Normal
  04/24/2019 01 PM PDT             8.1            988         -              Normal
  04/24/2019 02 PM PDT             8.1            985         -              Normal
  04/24/2019 03 PM PDT             8.1            983         -              Normal
  04/24/2019 04 PM PDT             8.1            980         -              Normal
  04/24/2019 05 PM PDT             8.0            978         -              Normal
  04/24/2019 06 PM PDT             8.0            975         -              Normal
  04/24/2019 07 PM PDT             8.0            973         -              Normal
  04/24/2019 08 PM PDT             8.0            971         -              Normal
  04/24/2019 09 PM PDT             8.0            968         -              Normal
  04/24/2019 10 PM PDT             8.0            966         -              Normal
  04/24/2019 11 PM PDT             8.0            963         -              Normal
  04/25/2019 12 AM PDT             8.0            961         -              Normal
  04/25/2019 01 AM PDT             8.0            958         -              Normal
  04/25/2019 02 AM PDT             8.0            956         -              Normal
  04/25/2019 03 AM PDT             8.0            954         -              Normal
  04/25/2019 04 AM PDT             8.0            951         -              Normal
  04/25/2019 05 AM PDT             8.0            949         -              Normal
  04/25/2019 06 AM PDT             8.0            946         -              Normal
  04/25/2019 07 AM PDT             8.0            944         -              Normal
  04/25/2019 08 AM PDT             8.0            942         -              Normal
  04/25/2019 09 AM PDT             8.0            940         -              Normal
  04/25/2019 10 AM PDT             8.0            937         -              Normal
  04/25/2019 11 AM PDT             8.0            935         -              Normal
  04/25/2019 12 PM PDT             8.0            933         -              Normal
  04/25/2019 01 PM PDT             8.0            930         -              Normal
  04/25/2019 02 PM PDT             8.0            928         -              Normal
  04/25/2019 03 PM PDT             8.0            926         -              Normal
  04/25/2019 04 PM PDT             8.0            924         -              Normal
  04/25/2019 05 PM PDT             8.0            922         -              Normal
  04/25/2019 06 PM PDT             8.0            919         -              Normal
  04/25/2019 07 PM PDT             8.0            917         -              Normal
  04/25/2019 08 PM PDT             8.0            915         -              Normal
  04/25/2019 09 PM PDT             7.9            913         -              Normal
  04/25/2019 10 PM PDT             7.9            911         -              Normal
  04/25/2019 11 PM PDT             7.9            909         -              Normal
  04/26/2019 12 AM PDT             7.9            907         -              Normal
  04/26/2019 01 AM PDT             7.9            906         -              Normal
  04/26/2019 02 AM PDT             7.9            904         -              Normal
  04/26/2019 03 AM PDT             7.9            903         -              Normal
  04/26/2019 04 AM PDT             7.9            901         -              Normal
  04/26/2019 05 AM PDT             7.9            899         -              Normal
  04/26/2019 06 AM PDT             7.9            897         -              Normal
  04/26/2019 07 AM PDT             7.9            895         -              Normal
  04/26/2019 08 AM PDT             7.9            894         -              Normal
  04/26/2019 09 AM PDT             7.9            892         -              Normal
  04/26/2019 10 AM PDT             7.9            890         -              Normal
  04/26/2019 11 AM PDT             7.9            888         -              Normal
  04/26/2019 12 PM PDT             7.9            886         -              Normal
  04/26/2019 01 PM PDT             7.9            885         -              Normal
  04/26/2019 02 PM PDT             7.9            883         -              Normal
  04/26/2019 03 PM PDT             7.9            881         -              Normal
  04/26/2019 04 PM PDT             7.9            879         -              Normal
  04/26/2019 05 PM PDT             7.9            878         -              Normal
  04/26/2019 06 PM PDT             7.9            876         -              Normal
  04/26/2019 07 PM PDT             7.9            874         -              Normal
  04/26/2019 08 PM PDT             7.9            873         -              Normal
  04/26/2019 09 PM PDT             7.9            871         -              Normal
  04/26/2019 10 PM PDT             7.9            870         -              Normal
  04/26/2019 11 PM PDT             7.9            868         -              Normal
  04/27/2019 12 AM PDT             7.9            867         -              Normal
  04/27/2019 01 AM PDT             7.9            865         -              Normal
  04/27/2019 02 AM PDT             7.9            864         -              Normal
  04/27/2019 03 AM PDT             7.9            862         -              Normal
  04/27/2019 04 AM PDT             7.9            861         -              Normal
  04/27/2019 05 AM PDT             7.9            860         -              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.