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: Oct 15 2018 at 7:17 AM PDTNext Issuance: Oct 16 2018 at 9:00 AM PDT
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:  10/15/2018  07:17 AM PDT
# Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  10/10/2018 09 AM PDT
# Maximum Observed Stage:                       4.7 Feet
# Maximum Observed Flow:                        132 cfs
#
# Earliest Date & Time of Maximum Forecast:     10/20/2018 12 AM PDT
# Maximum Forecast Stage:                       4.7 Feet
# Maximum Forecast Flow:                        127 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  10/10/2018 07 AM PDT             4.7            128                        Normal
  10/10/2018 08 AM PDT             4.7            126         -              Normal
  10/10/2018 09 AM PDT             4.7            132         +              Normal
  10/10/2018 10 AM PDT             4.7            131         -              Normal
  10/10/2018 11 AM PDT             4.7            129         -              Normal
  10/10/2018 12 PM PDT             4.7            129         0              Normal
  10/10/2018 01 PM PDT             4.7            131         +              Normal
  10/10/2018 02 PM PDT             4.7            131         0              Normal
  10/10/2018 03 PM PDT             4.7            126         -              Normal
  10/10/2018 04 PM PDT             4.7            128         +              Normal
  10/10/2018 05 PM PDT             4.7            124         -              Normal
  10/10/2018 06 PM PDT             4.7            124         0              Normal
  10/10/2018 07 PM PDT             4.7            126         +              Normal
  10/10/2018 08 PM PDT             4.7            124         -              Normal
  10/10/2018 09 PM PDT             4.7            123         -              Normal
  10/10/2018 10 PM PDT             4.7            123         0              Normal
  10/10/2018 11 PM PDT             4.6            121         -              Normal
  10/11/2018 12 AM PDT             4.6            119         -              Normal
  10/11/2018 01 AM PDT             4.6            118         -              Normal
  10/11/2018 02 AM PDT             4.6            118         0              Normal
  10/11/2018 03 AM PDT             4.6            116         -              Normal
  10/11/2018 04 AM PDT             4.6            116         0              Normal
  10/11/2018 05 AM PDT             4.6            116         0              Normal
  10/11/2018 06 AM PDT             4.6            116         0              Normal
  10/11/2018 07 AM PDT             4.6            118         +              Normal
  10/11/2018 08 AM PDT             4.6            116         -              Normal
  10/11/2018 09 AM PDT             4.6            115         -              Normal
  10/11/2018 10 AM PDT             4.6            111         -              Normal
  10/11/2018 11 AM PDT             4.6            109         -              Normal
  10/11/2018 12 PM PDT             4.6            109         0              Normal
  10/11/2018 01 PM PDT             4.6            109         0              Normal
  10/11/2018 02 PM PDT             4.6            107         -              Normal
  10/11/2018 03 PM PDT             4.6            109         +              Normal
  10/11/2018 04 PM PDT             4.6            107         -              Normal
  10/11/2018 05 PM PDT             4.6            107         0              Normal
  10/11/2018 06 PM PDT             4.6            107         0              Normal
  10/11/2018 07 PM PDT             4.6            109         +              Normal
  10/11/2018 08 PM PDT             4.6            107         -              Normal
  10/11/2018 09 PM PDT             4.6            107         0              Normal
  10/11/2018 10 PM PDT             4.5            104         -              Normal
  10/11/2018 11 PM PDT             4.6            107         +              Normal
  10/12/2018 12 AM PDT             4.5            105         -              Normal
  10/12/2018 01 AM PDT             4.5            105         0              Normal
  10/12/2018 02 AM PDT             4.5            104         -              Normal
  10/12/2018 03 AM PDT             4.5            102         -              Normal
  10/12/2018 04 AM PDT             4.5            101         -              Normal
  10/12/2018 05 AM PDT             4.5            101         0              Normal
  10/12/2018 06 AM PDT             4.5             99         -              Normal
  10/12/2018 07 AM PDT             4.5             98         -              Normal
  10/12/2018 08 AM PDT             4.5             98         0              Normal
  10/12/2018 09 AM PDT             4.5            101         +              Normal
  10/12/2018 10 AM PDT             4.5            104         +              Normal
  10/12/2018 11 AM PDT             4.5            104         0              Normal
  10/12/2018 12 PM PDT             4.6            107         +              Normal
  10/12/2018 01 PM PDT             4.6            109         +              Normal
  10/12/2018 02 PM PDT             4.6            107         -              Normal
  10/12/2018 03 PM PDT             4.5            104         -              Normal
  10/12/2018 04 PM PDT             4.5            102         -              Normal
  10/12/2018 05 PM PDT             4.5            102         0              Normal
  10/12/2018 06 PM PDT             4.5            101         -              Normal
  10/12/2018 07 PM PDT             4.5            102         +              Normal
  10/12/2018 08 PM PDT             4.5            102         0              Normal
  10/12/2018 09 PM PDT             4.5            102         0              Normal
  10/12/2018 10 PM PDT             4.5            104         +              Normal
  10/12/2018 11 PM PDT             4.5            104         0              Normal
  10/13/2018 12 AM PDT             4.5            104         0              Normal
  10/13/2018 01 AM PDT             4.5            104         0              Normal
  10/13/2018 02 AM PDT             4.5            104         0              Normal
  10/13/2018 03 AM PDT             4.5            102         -              Normal
  10/13/2018 04 AM PDT             4.5            104         +              Normal
  10/13/2018 05 AM PDT             4.5            104         0              Normal
  10/13/2018 06 AM PDT             4.5            102         -              Normal
  10/13/2018 07 AM PDT             4.5            104         +              Normal
  10/13/2018 08 AM PDT             4.5            102         -              Normal
  10/13/2018 09 AM PDT             4.5            104         +              Normal
  10/13/2018 10 AM PDT             4.5            104         0              Normal
  10/13/2018 11 AM PDT             4.5            105         +              Normal
  10/13/2018 12 PM PDT             4.5            105         0              Normal
  10/13/2018 01 PM PDT             4.5            104         -              Normal
  10/13/2018 02 PM PDT             4.5            104         0              Normal
  10/13/2018 03 PM PDT             4.5            104         0              Normal
  10/13/2018 04 PM PDT             4.5            104         0              Normal
  10/13/2018 05 PM PDT             4.5            102         -              Normal
  10/13/2018 06 PM PDT             4.5            101         -              Normal
  10/13/2018 07 PM PDT             4.5            102         +              Normal
  10/13/2018 08 PM PDT             4.5            101         -              Normal
  10/13/2018 09 PM PDT             4.5            102         +              Normal
  10/13/2018 10 PM PDT             4.5            101         -              Normal
  10/13/2018 11 PM PDT             4.5            102         +              Normal
  10/14/2018 12 AM PDT             4.5            101         -              Normal
  10/14/2018 01 AM PDT             4.5            101         0              Normal
  10/14/2018 02 AM PDT             4.5            102         +              Normal
  10/14/2018 03 AM PDT             4.5            102         0              Normal
  10/14/2018 04 AM PDT             4.5            101         -              Normal
  10/14/2018 05 AM PDT             4.5            101         0              Normal
  10/14/2018 06 AM PDT             4.5            101         0              Normal
  10/14/2018 07 AM PDT             4.5            102         +              Normal
  10/14/2018 08 AM PDT             4.5            102         0              Normal
  10/14/2018 09 AM PDT             4.5            102         0              Normal
  10/14/2018 10 AM PDT             4.5            101         -              Normal
  10/14/2018 11 AM PDT             4.5            101         0              Normal
  10/14/2018 12 PM PDT             4.5            101         0              Normal
  10/14/2018 01 PM PDT             4.5            101         0              Normal
  10/14/2018 02 PM PDT             4.5             99         -              Normal
  10/14/2018 03 PM PDT             4.5            101         +              Normal
  10/14/2018 04 PM PDT             4.5             99         -              Normal
  10/14/2018 05 PM PDT             4.5             98         -              Normal
  10/14/2018 06 PM PDT             4.5            101         +              Normal
  10/14/2018 07 PM PDT             4.5            101         0              Normal
  10/14/2018 08 PM PDT             4.5            101         0              Normal
  10/14/2018 09 PM PDT             4.5            101         0              Normal
  10/14/2018 10 PM PDT             4.5            102         +              Normal
  10/14/2018 11 PM PDT             4.5            101         -              Normal
  10/15/2018 12 AM PDT             4.5            101         0              Normal
  10/15/2018 01 AM PDT             4.5            102         +              Normal
  10/15/2018 02 AM PDT             4.5            101         -              Normal
  10/15/2018 03 AM PDT             4.5            101         0              Normal
  10/15/2018 04 AM PDT             4.5            102         +              Normal
  10/15/2018 05 AM PDT             4.5            102         0              Normal
  10/15/2018 06 AM PDT             4.5            103         +              Normal
  10/15/2018 07 AM PDT             4.5            104         +              Normal
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  10/15/2018 08 AM PDT             4.5            104                        Normal
  10/15/2018 09 AM PDT             4.5            105         +              Normal
  10/15/2018 10 AM PDT             4.6            106         +              Normal
  10/15/2018 11 AM PDT             4.6            106         0              Normal
  10/15/2018 12 PM PDT             4.6            107         +              Normal
  10/15/2018 01 PM PDT             4.6            107         0              Normal
  10/15/2018 02 PM PDT             4.6            108         +              Normal
  10/15/2018 03 PM PDT             4.6            108         0              Normal
  10/15/2018 04 PM PDT             4.6            108         0              Normal
  10/15/2018 05 PM PDT             4.6            109         +              Normal
  10/15/2018 06 PM PDT             4.6            110         +              Normal
  10/15/2018 07 PM PDT             4.6            110         0              Normal
  10/15/2018 08 PM PDT             4.6            110         0              Normal
  10/15/2018 09 PM PDT             4.6            111         +              Normal
  10/15/2018 10 PM PDT             4.6            111         0              Normal
  10/15/2018 11 PM PDT             4.6            112         +              Normal
  10/16/2018 12 AM PDT             4.6            112         0              Normal
  10/16/2018 01 AM PDT             4.6            113         +              Normal
  10/16/2018 02 AM PDT             4.6            113         0              Normal
  10/16/2018 03 AM PDT             4.6            113         0              Normal
  10/16/2018 04 AM PDT             4.6            113         0              Normal
  10/16/2018 05 AM PDT             4.6            113         0              Normal
  10/16/2018 06 AM PDT             4.6            114         +              Normal
  10/16/2018 07 AM PDT             4.6            114         0              Normal
  10/16/2018 08 AM PDT             4.6            114         0              Normal
  10/16/2018 09 AM PDT             4.6            114         0              Normal
  10/16/2018 10 AM PDT             4.6            114         0              Normal
  10/16/2018 11 AM PDT             4.6            114         0              Normal
  10/16/2018 12 PM PDT             4.6            114         0              Normal
  10/16/2018 01 PM PDT             4.6            114         0              Normal
  10/16/2018 02 PM PDT             4.6            114         0              Normal
  10/16/2018 03 PM PDT             4.6            114         0              Normal
  10/16/2018 04 PM PDT             4.6            114         0              Normal
  10/16/2018 05 PM PDT             4.6            115         +              Normal
  10/16/2018 06 PM PDT             4.6            115         0              Normal
  10/16/2018 07 PM PDT             4.6            115         0              Normal
  10/16/2018 08 PM PDT             4.6            115         0              Normal
  10/16/2018 09 PM PDT             4.6            116         +              Normal
  10/16/2018 10 PM PDT             4.6            116         0              Normal
  10/16/2018 11 PM PDT             4.6            116         0              Normal
  10/17/2018 12 AM PDT             4.6            117         +              Normal
  10/17/2018 01 AM PDT             4.6            117         0              Normal
  10/17/2018 02 AM PDT             4.6            117         0              Normal
  10/17/2018 03 AM PDT             4.6            118         +              Normal
  10/17/2018 04 AM PDT             4.6            118         0              Normal
  10/17/2018 05 AM PDT             4.6            118         0              Normal
  10/17/2018 06 AM PDT             4.6            118         0              Normal
  10/17/2018 07 AM PDT             4.6            118         0              Normal
  10/17/2018 08 AM PDT             4.6            118         0              Normal
  10/17/2018 09 AM PDT             4.6            119         +              Normal
  10/17/2018 10 AM PDT             4.6            119         0              Normal
  10/17/2018 11 AM PDT             4.6            119         0              Normal
  10/17/2018 12 PM PDT             4.6            119         0              Normal
  10/17/2018 01 PM PDT             4.6            119         0              Normal
  10/17/2018 02 PM PDT             4.6            119         0              Normal
  10/17/2018 03 PM PDT             4.6            119         0              Normal
  10/17/2018 04 PM PDT             4.6            119         0              Normal
  10/17/2018 05 PM PDT             4.6            119         0              Normal
  10/17/2018 06 PM PDT             4.6            120         +              Normal
  10/17/2018 07 PM PDT             4.6            120         0              Normal
  10/17/2018 08 PM PDT             4.6            120         0              Normal
  10/17/2018 09 PM PDT             4.6            120         0              Normal
  10/17/2018 10 PM PDT             4.6            120         0              Normal
  10/17/2018 11 PM PDT             4.6            121         +              Normal
  10/18/2018 12 AM PDT             4.6            121         0              Normal
  10/18/2018 01 AM PDT             4.6            121         0              Normal
  10/18/2018 02 AM PDT             4.7            122         +              Normal
  10/18/2018 03 AM PDT             4.7            122         0              Normal
  10/18/2018 04 AM PDT             4.7            122         0              Normal
  10/18/2018 05 AM PDT             4.7            122         0              Normal
  10/18/2018 06 AM PDT             4.7            122         0              Normal
  10/18/2018 07 AM PDT             4.7            122         0              Normal
  10/18/2018 08 AM PDT             4.7            122         0              Normal
  10/18/2018 09 AM PDT             4.7            122         0              Normal
  10/18/2018 10 AM PDT             4.7            122         0              Normal
  10/18/2018 11 AM PDT             4.7            122         0              Normal
  10/18/2018 12 PM PDT             4.7            122         0              Normal
  10/18/2018 01 PM PDT             4.7            122         0              Normal
  10/18/2018 02 PM PDT             4.7            122         0              Normal
  10/18/2018 03 PM PDT             4.7            122         0              Normal
  10/18/2018 04 PM PDT             4.7            122         0              Normal
  10/18/2018 05 PM PDT             4.7            122         0              Normal
  10/18/2018 06 PM PDT             4.7            123         +              Normal
  10/18/2018 07 PM PDT             4.7            123         0              Normal
  10/18/2018 08 PM PDT             4.7            123         0              Normal
  10/18/2018 09 PM PDT             4.7            123         0              Normal
  10/18/2018 10 PM PDT             4.7            123         0              Normal
  10/18/2018 11 PM PDT             4.7            124         +              Normal
  10/19/2018 12 AM PDT             4.7            124         0              Normal
  10/19/2018 01 AM PDT             4.7            124         0              Normal
  10/19/2018 02 AM PDT             4.7            124         0              Normal
  10/19/2018 03 AM PDT             4.7            124         0              Normal
  10/19/2018 04 AM PDT             4.7            125         +              Normal
  10/19/2018 05 AM PDT             4.7            125         0              Normal
  10/19/2018 06 AM PDT             4.7            125         0              Normal
  10/19/2018 07 AM PDT             4.7            125         0              Normal
  10/19/2018 08 AM PDT             4.7            125         0              Normal
  10/19/2018 09 AM PDT             4.7            125         0              Normal
  10/19/2018 10 AM PDT             4.7            125         0              Normal
  10/19/2018 11 AM PDT             4.7            125         0              Normal
  10/19/2018 12 PM PDT             4.7            125         0              Normal
  10/19/2018 01 PM PDT             4.7            125         0              Normal
  10/19/2018 02 PM PDT             4.7            125         0              Normal
  10/19/2018 03 PM PDT             4.7            125         0              Normal
  10/19/2018 04 PM PDT             4.7            125         0              Normal
  10/19/2018 05 PM PDT             4.7            125         0              Normal
  10/19/2018 06 PM PDT             4.7            125         0              Normal
  10/19/2018 07 PM PDT             4.7            125         0              Normal
  10/19/2018 08 PM PDT             4.7            125         0              Normal
  10/19/2018 09 PM PDT             4.7            126         +              Normal
  10/19/2018 10 PM PDT             4.7            126         0              Normal
  10/19/2018 11 PM PDT             4.7            126         0              Normal
  10/20/2018 12 AM PDT             4.7            127         +              Normal
  10/20/2018 01 AM PDT             4.7            127         0              Normal
  10/20/2018 02 AM PDT             4.7            127         0              Normal
  10/20/2018 03 AM PDT             4.7            127         0              Normal
  10/20/2018 04 AM PDT             4.7            127         0              Normal
  10/20/2018 05 AM PDT             4.7            127         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.