Operational
Implementation
of Winter 2004 Meso Eta Change Package
Improving Precipitation Assimilation Ying Lin
Bias Adjustment of Hourly Analyses for EDAS
Impact in 32km Parallels: Oct 6 Dec 4 2003
Instantaneous solar fluxes 1-h later than observed in operational Eta (e.g., sunset)
Instantaneous solar fluxes corrected in parallel Eta (e.g., sunset)
Instantaneous solar fluxes 1-h later than observed in operational Eta (e.g., sunrise)
Instantaneous solar fluxes corrected in parallel Eta (e.g., sunrise)
Minor Bug Fix for Longwave Fog
60-h Forecast Fields Valid 12Z 6 Nov 2003
Change in Input
Precipitation
Type to Noah LSM
30-h Forecast from 00Z 5 February 2004
30-h Forecast from 00Z 5 February 2004
36-h Forecast from 00Z 5 February 2004
Impact of Lackmann change on Eta snow cover
Assimilation of GOES-12 radiances
PBL Mixing (S2)
Test
coupling to Eta TKE Kh (m2/s)
Eta-12 Parallel (blue) vs Ops Eta (red) QPF Scores : 1/10/ 2/18/04
48-h forecast RMS fits to CONUS raobs : 1/10 2/24/04
Changes to output product suite
Rime Factor (left) & Percent Frozen Precipitation (right) from Eta microphysics