Mesoscale Parallel Experiment Log

Experiment
North American NEMS/NMMB parallel run
Parallel Slot
NAMX
Control Slot
Ops NAM
Start date of parallel experiment
12Z 2015/01/26
End date of parallel experiment
12Z 2017/03/21
Experiment changes log
Background links
Evaluation of parallel results

Parallel NAM real-time run (last 4 cycles)

NCO Parallel Model Analysis and Guidance Page (click NAM for 12 km domain, NAM-HIRES for CONUS/Alaska nests
12 km parent parallel NAM hourly graphics
3 km parallel CONUS Nest hourly graphics
3 km parallel Alaska Nest hourly graphics
Forecast maps : Parallel 3 km CONUS nest hourly regional graphics from 1-60 h (00z/12z run)
Forecast maps : Parallel 3 km CONUS nest hourly regional graphics from 1-60 h (06z/18z run)

Ops vs parallel NAM real-time run comparisons

Forecast maps vs Ops NAM (most recent 00z/12z run)
Forecast maps vs Ops NAM (most recent 06z/12z run)
Forecast maps : Ops NAM vs NAMX forecast trends (dprog/dt)
Forecast maps : Ops 4 km CONUS nest vs parallel 3 km CONUS nest (most recent 00z/12z run)
Forecast maps : Ops 4 km CONUS nest vs parallel 3 km CONUS nest (most recent 06z/18z run)
Forecast maps : Ops vs parallel CONUS nest forecast trends (dprog/dt)
Forecast maps : Ops 6 km Alaska nest vs parallel 3 km Alaska nest (00z/12z run)
Forecast maps : Ops 6 km Alaska nest vs parallel 3 km Alaska nest (06z/18z run)
Forecast maps : Ops 3 km Hawaii nest vs parallel 3 km Hawaii nest (latest run)
Forecast maps : Ops 3 km Puerto Rico nest vs parallel 3 km Puerto Rico nest (latest run)
Forecast maps : Ops Fire Weather nest vs parallel Fire Weather (latest run with a one week archive)

Forecast maps : Ops vs parallel CONUS nest Simulated Reflectivity (0-24 h), 6 day archive

Forecast maps : Hourly (1-60 h) ops vs parallel NAM model forecast soundings at station locations, 5 day archive

Grid vs. RAOB/sfc Observation verification stats : Time series for the last 7-30 days

Daily forecast stats for NAM, NAMX
Daily forecast stats for NAMX, Ops NEST, NESTX

Cumulative QPF Verification Scores for the last 30 days

NAM vs NAMX 24-h ETS/bias, 3/6/24-h fractional skill scores

Miscellaneous Verification Pages

NAM Parallel and ops NAM 500 mb Height Forecasts vs GDAS analysis
Ops NAM, NAMX vs Ops NDAS vs RTMA Analysis

Cumulative statistics (QPF ETS/Bias, Forecast vs RAOB/Surface Observations bias/RMS error):

1) 12km NAM: Seasonal statistics during experimental testing (final version frozen on 19 July 2016)

Ops NAM vs Pll NAM Verification of precipitation and against rawinsondes / surface data (12/01/15-02/29/16)
Ops NAM vs Pll NAM Verification of precipitation and against rawinsondes / surface data (03/01/16-05/31/16)
Ops NAM vs Pll NAM Verification of precipitation and against rawinsondes / surface data (06/01/16-08/31/16)

2) 12km NAM: Seasonal Statistics since parallel NAM was frozen on 19 July 2016

Ops NAM vs Pll NAM Verification of precipitation and against rawinsondes / surface data (07/19/16-08/28/16)
Ops NAM vs Pll NAM Verification of precipitation and against rawinsondes / surface data (09/01/16-11/30/16)
Ops NAM vs Pll NAM Verification of precipitation and against rawinsondes / surface data (12/01/16-02/28/17)

3) CONUS/Alaska nests: Seasonal statistics during experimental testing (final version frozen on 19 July 2016)

NAM nests (Ops vs Pll) Verification of precipitation and against raob/surface data (12/01/15-02/29/16)
NAM nests (Ops vs Pll) Verification of precipitation and against raob/surface data (03/01/16-05/31/16)
NAM nests (Ops vs Pll) Verification of precipitation and against raob/surface data (06/01/16-08/31/16)

4) CONUS/Alaska nests: Seasonal Statistics since parallel NAM was frozen on 19 July 2016

NAM Nests (Ops vs Pll) Verification of precipitation and against raob/surface data (07/19/16-08/29/16)
NAM Nests (Ops vs Pll) Verification of precipitation and against raob/surface data (09/01/16-11/30/16)
NAM Nests (Ops vs Pll) Verification of precipitation and against raob/surface data (12/01/16-02/28/17)

5) QPF Verification : Seasonal 6-hourly Fractional Skill Scores

Seasonal 6-Hourly Fractional Skill Scores for NAMv4 : December 2015 - Present

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