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Storm-Scale NWP: Scientific and Operational Challenges for the Next Decade. COMET Faculty Course on Hydrometeorology 16 June 2000 Boulder, Colorado. Kelvin K. Droegemeier School of Meteorology and Center for Analysis and Prediction of Storms University of Oklahoma. 10 km. 3 km. 1 km.
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Storm-Scale NWP:Scientific and Operational Challenges for the Next Decade COMET Faculty Course on Hydrometeorology16 June 2000Boulder, Colorado Kelvin K. DroegemeierSchool of Meteorology and Center for Analysis and Prediction of StormsUniversity of Oklahoma
10 km 3 km 1 km 20 km CONUS Ensembles The Future of Operational NWP
10 km 3 km 10 km 3 km 3 km 3 km 20 km CONUS Ensembles The Future of Operational NWP
New Concept: Abilene + NEXRAD NCEP FSL AWC NCDC OSF TPC
Meso-scale NWP • The prediction of the general characteristics associated with mesoscale weather phenomena WSR-88D CREF (02 UTC 30 Nov 1999) 6-hour ARPS Forecast at 9 km resolution
Storm-scale NWP • The prediction of explicit updraft/downdrafts and related features (e.g., gust fronts, meso-cyclones) NEXRAD Radar Observations ARPS 90 min Forecast (3 km)
What Resolution is Requiredfor Hydrologic Applications? 375 m Grid Downscaled to 375 m
Spatial Accuracy is Key -- Ensembles 3 km ARPS Forecast Valid 00Z Monday, 16 June 1997 Amarillo Fort Worth
Storm-Scale Ensembles in Action Amarillo Fort Worth 5-Member, 3 km ARPS Ensemble
Storm-Scale Ensembles in Action Amarillo Fort Worth 5-Member, 3 km ARPS Ensemble