NDLI: Comparison of the SPC Storm-Scale Ensemble of Opportunity to other Convection-Allowing Ensembles for Severe Weather Forecasting

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Comparison of the SPC Storm-Scale Ensemble of Opportunity to other Convection-Allowing Ensembles for Severe Weather Forecasting

Content Provider	Semantic Scholar
Author	Jirak, Israel L.
Copyright Year	2016
Abstract	The Storm Prediction Center (SPC) has been generating the Storm-Scale Ensemble of Opportunity (SSEO; http://www.spc.noaa.gov/exper/sseo/) in realtime since 2011. Since that time, the SSEO has proven its utility in SPC operations on a year-round basis and has fared quite well when compared to formally designed convection-allowing ensembles during past Spring Forecasting Experiments (SFEs) in the NOAA Hazardous Weather Testbed (HWT). As such, the SPC SSEO is generally considered the standard against which other convection-allowing ensembles are compared and provides a baseline for the performance of a future operational convection-allowing ensemble. The 2016 HWT SFE (SFE2016) was conducted from 2 May – 3 June with a focus on testing various aspects of convection-allowing ensemble design. As part of SFE2016, a group of similarly configured convectionallowing models (CAMs) was contributed by community collaborators to comprise the Community-Leveraged Unified Ensemble (CLUE). A few of the CLUE subsets, including ensemble Kalman filter (EnKF)-based systems, were available for comparison with the SSEO during SFE2016 for severe weather forecasting. The basic configuration of the convection-allowing ensembles can be found in the following section (with detailed information available in the operations plan: http://hwt.nssl.noaa.gov/Spring_2016/HWT_SFE2016_o perations_plan_final.pdf). Results from the comparison of CLUE subsets to the SSEO during SFE2016 are presented in the third section, followed by conclusions and discussion.
File Format	PDF HTM / HTML
Alternate Webpage(s)	https://www.spc.noaa.gov/publications/jirak/sseocomp.pdf
Alternate Webpage(s)	https://ams.confex.com/ams/28SLS/webprogram/Manuscript/Paper300910/SLS2016_SSEO_exabs.pdf
Alternate Webpage(s)	https://ams.confex.com/ams/28SLS/webprogram/Handout/Paper300910/Jirak_2016_SLS_Poster.pdf
Language	English
Access Restriction	Open
Content Type	Text
Resource Type	Article

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