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Improvements in For...
Improvements in Forecasting Intense Rainfall : Results from the FRANC (Forecasting Rainfall Exploiting New Data Assimilation Techniques and Novel Observations of Convection) Project
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- Dance, Sarah L. (author)
- Univ Reading, Dept Meteorol, Reading RG6 6BB, Berks, England;Univ Reading, Dept Math & Stat, Reading RG6 6AX, Berks, England
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- Ballard, Susan P. (author)
- Univ Reading, MetOff Reading, Meteorol Bldg, Reading RG6 6BB, Berks, England
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- Bannister, Ross N. (author)
- Univ Reading, Dept Meteorol, Reading RG6 6BB, Berks, England
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- Clark, Peter (author)
- Univ Reading, Dept Meteorol, Reading RG6 6BB, Berks, England
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- Cloke, Hannah L. (author)
- Uppsala universitet,Luft-, vatten- och landskapslära,Univ Reading, Dept Meteorol, Reading RG6 6BB, Berks, England;Univ Reading, Dept Geog & Environm Sci, Reading RG6 6AB, Berks, England
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- Darlington, Timothy (author)
- Met Off, Fitzroy Rd, Exeter EX1 3PB, Devon, England
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- Flack, David L. A. (author)
- Univ Reading, Dept Meteorol, Reading RG6 6BB, Berks, England;UPMC Univ Paris 06, Sorbonne Univ, Univ Paris Saclay,LMD,IPSL, PSL Res Univ,Ecole Polytech,Dept Geosci,ENS,CNRS, Paris, France
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- Gray, Suzanne L. (author)
- Univ Reading, Dept Meteorol, Reading RG6 6BB, Berks, England
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- Hawkness-Smith, Lee (author)
- Univ Reading, MetOff Reading, Meteorol Bldg, Reading RG6 6BB, Berks, England
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- Husnoo, Nawal (author)
- Met Off, Fitzroy Rd, Exeter EX1 3PB, Devon, England
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- Illingworth, Anthony J. (author)
- Univ Reading, Dept Meteorol, Reading RG6 6BB, Berks, England
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- Kelly, Graeme A. (author)
- Univ Reading, MetOff Reading, Meteorol Bldg, Reading RG6 6BB, Berks, England
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- Lean, Humphrey W. (author)
- Univ Reading, MetOff Reading, Meteorol Bldg, Reading RG6 6BB, Berks, England
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- Li, Dingmin (author)
- Univ Reading, MetOff Reading, Meteorol Bldg, Reading RG6 6BB, Berks, England
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- Nichols, Nancy K. (author)
- Univ Reading, Dept Meteorol, Reading RG6 6BB, Berks, England;Univ Reading, Dept Math & Stat, Reading RG6 6AX, Berks, England
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- Nicol, John C. (author)
- Univ Reading, Dept Meteorol, Reading RG6 6BB, Berks, England
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- Oxley, Andrew (author)
- Univ Surrey, Dept Math, Guildford GU2 7XH, Surrey, England
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- Plant, Robert S. (author)
- Univ Reading, Dept Meteorol, Reading RG6 6BB, Berks, England
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- Roberts, Nigel M. (author)
- Univ Reading, MetOff Reading, Meteorol Bldg, Reading RG6 6BB, Berks, England
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- Roulstone, Ian (author)
- Univ Surrey, Dept Math, Guildford GU2 7XH, Surrey, England
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- Simonin, David (author)
- Univ Reading, MetOff Reading, Meteorol Bldg, Reading RG6 6BB, Berks, England
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- Thompson, Robert J. (author)
- Univ Reading, Dept Meteorol, Reading RG6 6BB, Berks, England
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- Waller, Joanne A. (author)
- Univ Reading, Dept Meteorol, Reading RG6 6BB, Berks, England
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(creator_code:org_t)
- 2019-03-07
- 2019
- English.
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In: Atmosphere. - : MDPI. - 2073-4433. ; 10:3
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https://uu.diva-port... (primary) (Raw object)
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https://doi.org/10.3...
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Abstract
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- The FRANC project (Forecasting Rainfall exploiting new data Assimilation techniques and Novel observations of Convection) has researched improvements in numerical weather prediction of convective rainfall via the reduction of initial condition uncertainty. This article provides an overview of the project's achievements. We highlight new radar techniques: correcting for attenuation of the radar return; correction for beams that are over 90% blocked by trees or towers close to the radar; and direct assimilation of radar reflectivity and refractivity. We discuss the treatment of uncertainty in data assimilation: new methods for estimation of observation uncertainties with novel applications to Doppler radar winds, Atmospheric Motion Vectors, and satellite radiances; a new algorithm for implementation of spatially-correlated observation error statistics in operational data assimilation; and innovative treatment of moist processes in the background error covariance model. We present results indicating a link between the spatial predictability of convection and convective regimes, with potential to allow improved forecast interpretation. The research was carried out as a partnership between University researchers and the Met Office (UK). We discuss the benefits of this approach and the impact of our research, which has helped to improve operational forecasts for convective rainfall events.
Subject headings
- NATURVETENSKAP -- Geovetenskap och miljövetenskap -- Meteorologi och atmosfärforskning (hsv//swe)
- NATURAL SCIENCES -- Earth and Related Environmental Sciences -- Meteorology and Atmospheric Sciences (hsv//eng)
Keyword
- flooding
- convection
- intense rainfall
- radar reflectivity
- radar refractivity
- Doppler radar winds
- data assimilation
- observation uncertainty
- initial condition uncertainty
- predictability
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Atmosphere
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To the university's database
- By the author/editor
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Dance, Sarah L.
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Ballard, Susan P ...
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Bannister, Ross ...
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Clark, Peter
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Cloke, Hannah L.
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Darlington, Timo ...
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show more...
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Flack, David L. ...
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Gray, Suzanne L.
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Hawkness-Smith, ...
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Husnoo, Nawal
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Illingworth, Ant ...
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Kelly, Graeme A.
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Lean, Humphrey W ...
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Li, Dingmin
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Nichols, Nancy K ...
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Nicol, John C.
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Oxley, Andrew
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Plant, Robert S.
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Roberts, Nigel M ...
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Roulstone, Ian
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Simonin, David
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Thompson, Robert ...
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Waller, Joanne A ...
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- About the subject
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- NATURAL SCIENCES
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NATURAL SCIENCES
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and Earth and Relate ...
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and Meteorology and ...
- Articles in the publication
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Atmosphere
- By the university
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Uppsala University