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The Effect of Targeted Dropsonde Observations during the 1999 Winter Storm Reconnaissance Program

Source: Monthly Weather Review:;2000:;volume( 128 ):;issue: 010:;page 3520

Author(s): Szunyogh, I.; Toth, Z.; Morss, R. E.; Majumdar, S. J.; Etherton, B. J.; Bishop, C. H.

Publisher: American Meteorological Society

Abstract: In this paper, the effects of targeted dropsonde observations on operational global numerical weather analyses and forecasts made at the National Centers for Environmental Prediction (NCEP) are evaluated. The data were ...

Adaptive Sampling with the Ensemble Transform Kalman Filter. Part II: Field Program Implementation

Source: Monthly Weather Review:;2002:;volume( 130 ):;issue: 005:;page 1356

Author(s): Majumdar, S. J.; Bishop, C. H.; Etherton, B. J.; Toth, Z.

Publisher: American Meteorological Society

Abstract: The practical application of the ensemble transform Kalman filter (ET KF), used in recent Winter Storm Reconnaissance (WSR) programs by the National Centers for Environmental Prediction (NCEP), is described. The ET KF ...

A Comparison of Adaptive Observing Guidance for Atlantic Tropical Cyclones

Source: Monthly Weather Review:;2006:;volume( 134 ):;issue: 009:;page 2354

Author(s): Majumdar, S. J.; Aberson, S. D.; Bishop, C. H.; Buizza, R.; Peng, M. S.; Reynolds, C. A.

Publisher: American Meteorological Society

Abstract: Airborne adaptive observations have been collected for more than two decades in the neighborhood of tropical cyclones, to attempt to improve short-range forecasts of cyclone track. However, only simple subjective strategies ...

Interpretation of Adaptive Observing Guidance for Atlantic Tropical Cyclones

Source: Monthly Weather Review:;2007:;volume( 135 ):;issue: 012:;page 4006

Author(s): Reynolds, C. A.; Peng, M. S.; Majumdar, S. J.; Aberson, S. D.; Bishop, C. H.; Buizza, R.

Publisher: American Meteorological Society

Abstract: Adaptive observing guidance products for Atlantic tropical cyclones are compared using composite techniques that allow one to quantitatively examine differences in the spatial structures of the guidance maps and relate ...

The North Pacific Experiment (NORPEX-98): Targeted Observations for Improved North American Weather Forecasts

Source: Bulletin of the American Meteorological Society:;1999:;volume( 080 ):;issue: 007:;page 1363

Author(s): Langland, R. H.; Toth, Z.; Gelaro, R.; Szunyogh, I.; Shapiro, M. A.; Majumdar, S. J.; Morss, R. E.; Rohaly, G. D.; Velden, C.; Bond, N.; Bishop, C. H.

Publisher: American Meteorological Society

Abstract: The objectives and preliminary results of an interagency field program, the North Pacific Experiment (NORPEX), which took place between 14 January and 27 February 1998, are described. NORPEX represents an effort to directly ...

THORPEX Research and the Science of Prediction

Source: Bulletin of the American Meteorological Society:;2016:;volume( 098 ):;issue: 004:;page 807

Author(s): Parsons, D. B.; Beland, M.; Burridge, D.; Bougeault, P.; Brunet, G.; Caughey, J.; Cavallo, S. M.; Charron, M.; Davies, H. C.; Niang, A. Diongue; Ducrocq, V.; Gauthier, P.; Hamill, T. M.; Harr, P. A.; Jones, S. C.; Langland, R. H.; Majumdar, S. J.; Mills, B. N.; Moncrieff, M.; Nakazawa, T.; Paccagnella, T.; Rabier, F.; Redelsperger, J.-L.; Riedel, C.; Saunders, R. W.; Shapiro, M. A.; Swinbank, R.; Szunyogh, I.; Thorncroft, C.; Thorpe, A. J.; Wang, X.; Waliser, D.; Wernli, H.; Toth, Z.

Publisher: American Meteorological Society

Abstract: he Observing System Research and Predictability Experiment (THORPEX) was a 10-yr, international research program organized by the World Meteorological Organization?s World Weather Research Program. THORPEX was motivated ...