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

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WALKER RIVER - MASON AT SNYDER LANE (MASN2)
Latitude: 38.92º NLongitude: 119.19º WElevation: 4420 Feet
Location: Lyon County in NevadaRiver Group: Eastern Sierra
Issuance Time: Feb 15 2019 at 3:04 PM PSTNext Issuance: Feb 16 2019 at 9:00 AM PST
Monitor Stage: 9.3 FeetFlood Stage: 9.8 Feet

SPECIAL NOTE:Provisional rating under development due to recent sediment removal. Increased uncertainty exists for both observed and forecast flows.

# Tabular River Observed & Forecast - Hydrograph Information
#
# File Generation Time:  02/15/2019  03:04 PM PST
# Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  02/15/2019 11 AM PST
# Maximum Observed Stage:                       5.2 Feet
# Maximum Observed Flow:                        213 cfs
#
# Earliest Date & Time of Maximum Forecast:     02/15/2019 06 PM PST
# Maximum Forecast Stage:                       5.2 Feet
# Maximum Forecast Flow:                        212 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  02/10/2019 03 PM PST             4.5             84                        Normal
  02/10/2019 04 PM PST             4.5             86         +              Normal
  02/10/2019 05 PM PST             4.5             86         0              Normal
  02/10/2019 06 PM PST             4.5             86         0              Normal
  02/10/2019 07 PM PST             4.5             87         +              Normal
  02/10/2019 08 PM PST             4.5             87         0              Normal
  02/10/2019 09 PM PST             4.5             86         -              Normal
  02/10/2019 10 PM PST             4.5             89         +              Normal
  02/10/2019 11 PM PST             4.5             91         +              Normal
  02/11/2019 12 AM PST             4.5             92         +              Normal
  02/11/2019 01 AM PST             4.5             92         0              Normal
  02/11/2019 02 AM PST             4.5             92         0              Normal
  02/11/2019 03 AM PST             4.5             91         -              Normal
  02/11/2019 04 AM PST             4.5             90         -              Normal
  02/11/2019 05 AM PST             4.5             88         -              Normal
  02/11/2019 06 AM PST             4.5             87         -              Normal
  02/11/2019 07 AM PST             4.5             87         0              Normal
  02/11/2019 08 AM PST             4.5             86         -              Normal
  02/11/2019 09 AM PST             4.5             86         0              Normal
  02/11/2019 10 AM PST             4.5             86         0              Normal
  02/11/2019 11 AM PST             4.5             87         +              Normal
  02/11/2019 12 PM PST             4.5             92         +              Normal
  02/11/2019 01 PM PST             4.5             98         +              Normal
  02/11/2019 02 PM PST             4.6             99         +              Normal
  02/11/2019 03 PM PST             4.5             95         -              Normal
  02/11/2019 04 PM PST             4.5             93         -              Normal
  02/11/2019 05 PM PST             4.5             91         -              Normal
  02/11/2019 06 PM PST             4.5             89         -              Normal
  02/11/2019 07 PM PST             4.5             87         -              Normal
  02/11/2019 08 PM PST             4.4             83         -              Normal
  02/11/2019 09 PM PST             4.4             83         0              Normal
  02/11/2019 10 PM PST             4.4             83         0              Normal
  02/11/2019 11 PM PST             4.4             83         0              Normal
  02/12/2019 12 AM PST             4.4             83         0              Normal
  02/12/2019 01 AM PST             4.5             84         +              Normal
  02/12/2019 02 AM PST             4.5             87         +              Normal
  02/12/2019 03 AM PST             4.5             86         -              Normal
  02/12/2019 04 AM PST             4.5             86         0              Normal
  02/12/2019 05 AM PST             4.5             93         +              Normal
  02/12/2019 06 AM PST             4.5             87         -              Normal
  02/12/2019 07 AM PST             4.4             82         -              Normal
  02/12/2019 08 AM PST             4.4             83         +              Normal
  02/12/2019 09 AM PST             4.4             80         -              Normal
  02/12/2019 10 AM PST             4.5             95         +              Normal
  02/12/2019 11 AM PST             4.5             84         -              Normal
  02/12/2019 12 PM PST             4.5             89         +              Normal
  02/12/2019 01 PM PST             4.5             95         +              Normal
  02/12/2019 02 PM PST             4.5             95         0              Normal
  02/12/2019 03 PM PST             4.5             92         -              Normal
  02/12/2019 04 PM PST             4.5             87         -              Normal
  02/12/2019 05 PM PST             4.5             86         -              Normal
  02/12/2019 06 PM PST             4.4             83         -              Normal
  02/12/2019 07 PM PST             4.4             79         -              Normal
  02/12/2019 08 PM PST             4.4             79         0              Normal
  02/12/2019 09 PM PST             4.4             79         0              Normal
  02/12/2019 10 PM PST             4.4             76         -              Normal
  02/12/2019 11 PM PST             4.4             74         -              Normal
  02/13/2019 12 AM PST             4.4             74         0              Normal
  02/13/2019 01 AM PST             4.4             75         +              Normal
  02/13/2019 02 AM PST             4.4             79         +              Normal
  02/13/2019 03 AM PST             4.4             80         +              Normal
  02/13/2019 04 AM PST             4.4             82         +              Normal
  02/13/2019 05 AM PST             4.4             83         +              Normal
  02/13/2019 06 AM PST             4.5             84         +              Normal
  02/13/2019 07 AM PST             4.5             86         +              Normal
  02/13/2019 08 AM PST             4.5             91         +              Normal
  02/13/2019 09 AM PST             4.5             93         +              Normal
  02/13/2019 10 AM PST             4.5             96         +              Normal
  02/13/2019 11 AM PST             4.5             98         +              Normal
  02/13/2019 12 PM PST             4.6            102         +              Normal
  02/13/2019 01 PM PST             4.6            101         -              Normal
  02/13/2019 02 PM PST             4.6            102         +              Normal
  02/13/2019 03 PM PST             4.6            102         0              Normal
  02/13/2019 04 PM PST             4.6             99         -              Normal
  02/13/2019 05 PM PST             4.6            102         +              Normal
  02/13/2019 06 PM PST             4.6            107         +              Normal
  02/13/2019 07 PM PST             4.6            110         +              Normal
  02/13/2019 08 PM PST             4.6            111         +              Normal
  02/13/2019 09 PM PST             4.6            110         -              Normal
  02/13/2019 10 PM PST             4.6            110         0              Normal
  02/13/2019 11 PM PST             4.6            111         +              Normal
  02/14/2019 12 AM PST             4.6            111         0              Normal
  02/14/2019 01 AM PST             4.6            111         0              Normal
  02/14/2019 02 AM PST             4.6            113         +              Normal
  02/14/2019 03 AM PST             4.6            113         0              Normal
  02/14/2019 04 AM PST             4.7            116         +              Normal
  02/14/2019 05 AM PST             4.7            116         0              Normal
  02/14/2019 06 AM PST             4.7            116         0              Normal
  02/14/2019 07 AM PST             4.7            118         +              Normal
  02/14/2019 08 AM PST             4.7            124         +              Normal
  02/14/2019 09 AM PST             4.7            121         -              Normal
  02/14/2019 10 AM PST             4.7            123         +              Normal
  02/14/2019 11 AM PST             4.7            121         -              Normal
  02/14/2019 12 PM PST             4.7            126         +              Normal
  02/14/2019 01 PM PST             4.8            141         +              Normal
  02/14/2019 02 PM PST             4.8            142         +              Normal
  02/14/2019 03 PM PST             4.8            144         +              Normal
  02/14/2019 04 PM PST             4.8            146         +              Normal
  02/14/2019 05 PM PST             4.9            149         +              Normal
  02/14/2019 06 PM PST             4.9            149         0              Normal
  02/14/2019 07 PM PST             4.9            159         +              Normal
  02/14/2019 08 PM PST             5.0            169         +              Normal
  02/14/2019 09 PM PST             5.0            168         -              Normal
  02/14/2019 10 PM PST             5.0            169         +              Normal
  02/14/2019 11 PM PST             5.0            169         0              Normal
  02/15/2019 12 AM PST             5.0            176         +              Normal
  02/15/2019 01 AM PST             5.0            176         0              Normal
  02/15/2019 02 AM PST             5.0            180         +              Normal
  02/15/2019 03 AM PST             5.1            186         +              Normal
  02/15/2019 04 AM PST             5.1            193         +              Normal
  02/15/2019 05 AM PST             5.1            193         0              Normal
  02/15/2019 06 AM PST             5.1            199         +              Normal
  02/15/2019 07 AM PST             5.2            205         +              Normal
  02/15/2019 08 AM PST             5.2            211         +              Normal
  02/15/2019 09 AM PST             5.2            211         0              Normal
  02/15/2019 10 AM PST             5.2            213         +              Normal
  02/15/2019 11 AM PST             5.2            213         0              Normal
  02/15/2019 12 PM PST             5.2            211         -              Normal
  02/15/2019 01 PM PST             5.2            210         -              Normal
  02/15/2019 02 PM PST             5.2            209         -              Normal
  02/15/2019 03 PM PST             5.2            209         0              Normal
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  02/15/2019 04 PM PST             5.2            209                        Normal
  02/15/2019 05 PM PST             5.2            210         +              Normal
  02/15/2019 06 PM PST             5.2            212         +              Normal
  02/15/2019 07 PM PST             5.2            212         0              Normal
  02/15/2019 08 PM PST             5.2            212         0              Normal
  02/15/2019 09 PM PST             5.2            211         -              Normal
  02/15/2019 10 PM PST             5.2            210         -              Normal
  02/15/2019 11 PM PST             5.2            209         -              Normal
  02/16/2019 12 AM PST             5.2            207         -              Normal
  02/16/2019 01 AM PST             5.2            204         -              Normal
  02/16/2019 02 AM PST             5.2            202         -              Normal
  02/16/2019 03 AM PST             5.1            199         -              Normal
  02/16/2019 04 AM PST             5.1            196         -              Normal
  02/16/2019 05 AM PST             5.1            194         -              Normal
  02/16/2019 06 AM PST             5.1            191         -              Normal
  02/16/2019 07 AM PST             5.1            188         -              Normal
  02/16/2019 08 AM PST             5.1            185         -              Normal
  02/16/2019 09 AM PST             5.1            182         -              Normal
  02/16/2019 10 AM PST             5.0            180         -              Normal
  02/16/2019 11 AM PST             5.0            177         -              Normal
  02/16/2019 12 PM PST             5.0            174         -              Normal
  02/16/2019 01 PM PST             5.0            172         -              Normal
  02/16/2019 02 PM PST             5.0            169         -              Normal
  02/16/2019 03 PM PST             5.0            166         -              Normal
  02/16/2019 04 PM PST             5.0            164         -              Normal
  02/16/2019 05 PM PST             4.9            161         -              Normal
  02/16/2019 06 PM PST             4.9            159         -              Normal
  02/16/2019 07 PM PST             4.9            157         -              Normal
  02/16/2019 08 PM PST             4.9            155         -              Normal
  02/16/2019 09 PM PST             4.9            152         -              Normal
  02/16/2019 10 PM PST             4.9            150         -              Normal
  02/16/2019 11 PM PST             4.9            148         -              Normal
  02/17/2019 12 AM PST             4.9            147         -              Normal
  02/17/2019 01 AM PST             4.8            145         -              Normal
  02/17/2019 02 AM PST             4.8            143         -              Normal
  02/17/2019 03 AM PST             4.8            141         -              Normal
  02/17/2019 04 AM PST             4.8            139         -              Normal
  02/17/2019 05 AM PST             4.8            138         -              Normal
  02/17/2019 06 AM PST             4.8            136         -              Normal
  02/17/2019 07 AM PST             4.8            134         -              Normal
  02/17/2019 08 AM PST             4.8            133         -              Normal
  02/17/2019 09 AM PST             4.8            131         -              Normal
  02/17/2019 10 AM PST             4.7            129         -              Normal
  02/17/2019 11 AM PST             4.7            128         -              Normal
  02/17/2019 12 PM PST             4.7            126         -              Normal
  02/17/2019 01 PM PST             4.7            124         -              Normal
  02/17/2019 02 PM PST             4.7            123         -              Normal
  02/17/2019 03 PM PST             4.7            121         -              Normal
  02/17/2019 04 PM PST             4.7            119         -              Normal
  02/17/2019 05 PM PST             4.7            118         -              Normal
  02/17/2019 06 PM PST             4.7            116         -              Normal
  02/17/2019 07 PM PST             4.7            115         -              Normal
  02/17/2019 08 PM PST             4.7            114         -              Normal
  02/17/2019 09 PM PST             4.6            112         -              Normal
  02/17/2019 10 PM PST             4.6            111         -              Normal
  02/17/2019 11 PM PST             4.6            110         -              Normal
  02/18/2019 12 AM PST             4.6            109         -              Normal
  02/18/2019 01 AM PST             4.6            108         -              Normal
  02/18/2019 02 AM PST             4.6            107         -              Normal
  02/18/2019 03 AM PST             4.6            106         -              Normal
  02/18/2019 04 AM PST             4.6            105         -              Normal
  02/18/2019 05 AM PST             4.6            104         -              Normal
  02/18/2019 06 AM PST             4.6            103         -              Normal
  02/18/2019 07 AM PST             4.6            102         -              Normal
  02/18/2019 08 AM PST             4.6            101         -              Normal
  02/18/2019 09 AM PST             4.6            100         -              Normal
  02/18/2019 10 AM PST             4.6            100         0              Normal
  02/18/2019 11 AM PST             4.6             99         -              Normal
  02/18/2019 12 PM PST             4.6             99         0              Normal
  02/18/2019 01 PM PST             4.5             98         -              Normal
  02/18/2019 02 PM PST             4.5             97         -              Normal
  02/18/2019 03 PM PST             4.5             96         -              Normal
  02/18/2019 04 PM PST             4.5             95         -              Normal
  02/18/2019 05 PM PST             4.5             94         -              Normal
  02/18/2019 06 PM PST             4.5             94         0              Normal
  02/18/2019 07 PM PST             4.5             93         -              Normal
  02/18/2019 08 PM PST             4.5             93         0              Normal
  02/18/2019 09 PM PST             4.5             92         -              Normal
  02/18/2019 10 PM PST             4.5             92         0              Normal
  02/18/2019 11 PM PST             4.5             91         -              Normal
  02/19/2019 12 AM PST             4.5             91         0              Normal
  02/19/2019 01 AM PST             4.5             91         0              Normal
  02/19/2019 02 AM PST             4.5             90         -              Normal
  02/19/2019 03 AM PST             4.5             90         0              Normal
  02/19/2019 04 AM PST             4.5             90         0              Normal
  02/19/2019 05 AM PST             4.5             90         0              Normal
  02/19/2019 06 AM PST             4.5             89         -              Normal
  02/19/2019 07 AM PST             4.5             89         0              Normal
  02/19/2019 08 AM PST             4.5             89         0              Normal
  02/19/2019 09 AM PST             4.5             89         0              Normal
  02/19/2019 10 AM PST             4.5             89         0              Normal
  02/19/2019 11 AM PST             4.5             89         0              Normal
  02/19/2019 12 PM PST             4.5             88         -              Normal
  02/19/2019 01 PM PST             4.5             88         0              Normal
  02/19/2019 02 PM PST             4.5             88         0              Normal
  02/19/2019 03 PM PST             4.5             88         0              Normal
  02/19/2019 04 PM PST             4.5             88         0              Normal
  02/19/2019 05 PM PST             4.5             88         0              Normal
  02/19/2019 06 PM PST             4.5             87         -              Normal
  02/19/2019 07 PM PST             4.5             87         0              Normal
  02/19/2019 08 PM PST             4.5             87         0              Normal
  02/19/2019 09 PM PST             4.5             87         0              Normal
  02/19/2019 10 PM PST             4.5             87         0              Normal
  02/19/2019 11 PM PST             4.5             87         0              Normal
  02/20/2019 12 AM PST             4.5             87         0              Normal
  02/20/2019 01 AM PST             4.5             86         -              Normal
  02/20/2019 02 AM PST             4.5             86         0              Normal
  02/20/2019 03 AM PST             4.5             86         0              Normal
  02/20/2019 04 AM PST             4.5             86         0              Normal
  02/20/2019 05 AM PST             4.5             86         0              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.