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LIBRIS Formathandbok  (Information om MARC21)
FältnamnIndikatorerMetadata
00004188naa a2200409 4500
001oai:DiVA.org:uu-410128
003SwePub
008200603s2020 | |||||||||||000 ||eng|
024a https://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-4101282 URI
024a https://doi.org/10.1002/qj.37122 DOI
040 a (SwePub)uu
041 a engb eng
042 9 SwePub
072 7a ref2 swepub-contenttype
072 7a art2 swepub-publicationtype
100a Titley, Helen A.u Met Off, Weather Sci, Exeter, Devon, England;Univ Reading, Dept Geog & Environm Sci, Reading, Berks, England4 aut
2451 0a A global evaluation of multi-model ensemble tropical cyclone track probability forecasts
264 c 2020-01
264 1b Wiley,c 2020
338 a electronic2 rdacarrier
520 a At the Met Office, dynamic ensemble forecasts from the Met Office Global and Regional Ensemble Prediction System (MOGREPS-G), the European Centre for Medium-Range Weather Forecasts Ensemble (ECMWFENS) and National Centers for Environmental Prediction Global Ensemble Forecast System (NCEP GEFS) global ensemble forecast models are post-processed to identify and track tropical cyclones. The ensemble members from each model are also combined into a 108-member multi-model ensemble. Track probability forecasts are produced for named tropical cyclones showing the probability of a location being within 120 km of a named tropical cyclone at any point in the next 7 days, and also broken down into each 24-hour forecast period. This study presents the verification of these named-storm track probabilities over a two-year period across all global tropical cyclone basins, and compares the results from basin to basin. The combined multi-model ensemble is found to increase the skill and value of the track probability forecasts over the best-performing individual ensemble (ECMWF ENS), for both overall 7-day track probability forecasts and 24-hour track probabilities. Basin-based and storm-based verification illustrates that the best performing individual ensemble can change from basin to basin and from storm to storm, but that the multi-model ensemble adds skill in every basin, and is also able to match the best performing individual ensemble in terms of overall probabilistic forecast skill in several high-profile case-studies. This study helps to illustrate the potential value and skill to be gained if operational tropical cyclone forecasting can continue to migrate away from a deterministic-focused forecasting environment to one where the probabilistic situation-based uncertainty information provided by the dynamic multi-model ensembles can be incorporated into operational forecasts and warnings.
650 7a NATURVETENSKAPx Geovetenskap och miljövetenskapx Meteorologi och atmosfärforskning0 (SwePub)105082 hsv//swe
650 7a NATURAL SCIENCESx Earth and Related Environmental Sciencesx Meteorology and Atmospheric Sciences0 (SwePub)105082 hsv//eng
653 a ensembles
653 a probabilistic forecasting
653 a tropical cyclones
653 a uncertainty
653 a verification
700a Bowyer, Rebecca L.u Met Off, Weather Sci, Exeter, Devon, England4 aut
700a Cloke, Hannah L.u Uppsala universitet,Luft-, vatten- och landskapslära,Univ Reading, Dept Geog & Environm Sci, Reading, Berks, England;Univ Reading, Dept Meteorol, Reading, Berks, England;CNDS, Ctr Nat Hazards & Disaster Sci, Uppsala, Sweden4 aut0 (Swepub:uu)hancl168
710a Met Off, Weather Sci, Exeter, Devon, England;Univ Reading, Dept Geog & Environm Sci, Reading, Berks, Englandb Met Off, Weather Sci, Exeter, Devon, England4 org
773t Quarterly Journal of the Royal Meteorological Societyd : Wileyg 146:726, s. 531-545q 146:726<531-545x 0035-9009x 1477-870X
856u https://doi.org/10.1002/qj.3712y Fulltext
856u https://uu.diva-portal.org/smash/get/diva2:1434473/FULLTEXT01.pdfx primaryx Raw objecty fulltext:print
856u https://rmets.onlinelibrary.wiley.com/doi/pdfdirect/10.1002/qj.3712
8564 8u https://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-410128
8564 8u https://doi.org/10.1002/qj.3712

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