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On-line calibration of the vertical distribution of ensemble spread

✍ Scribed by Flowerdew, Jonathan; Bowler, Neill E.

Book ID
121714256
Publisher
John Wiley and Sons
Year
2013
Tongue
English
Weight
218 KB
Volume
139
Category
Article
ISSN
0035-9009

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Improving the use of observations to cal
Improving the use of observations to calibrate ensemble spread
✍ Jonathan Flowerdew; Neill E. Bowler πŸ“‚ Article πŸ“… 2011 πŸ› John Wiley and Sons 🌐 English βš– 471 KB

## Abstract The Met Office Global and Regional Ensemble Prediction System (MOGREPS) uses an online inflation factor calculation to calibrate the spread of the ensemble in space and time and counteract the tendency of the Ensemble Transform Kalman Filter (ETKF) to underestimate analysis uncertainty.