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Advances in Continuously Profiling the Thermodynamic State of the Boundary Layer: Integration of Measurements and Methods

Source: Journal of Atmospheric and Oceanic Technology:;2008:;volume( 025 ):;issue: 008:;page 1251

Author(s): Löhnert, Ulrich; Crewell, S.; Krasnov, O.; O’Connor, E.; Russchenberg, H.

Publisher: American Meteorological Society

Abstract: This paper describes advances in ground-based thermodynamic profiling of the lower troposphere through sensor synergy. The well-documented integrated profiling technique (IPT), which uses a microwave profiler, a cloud ...

The Evaluation of CloudSat and CALIPSO Ice Microphysical Products Using Ground-Based Cloud Radar and Lidar Observations

Source: Journal of Atmospheric and Oceanic Technology:;2010:;volume( 027 ):;issue: 005:;page 793

Author(s): Protat, A.; Delanoë, J.; O’Connor, E. J.; L’Ecuyer, T. S.

Publisher: American Meteorological Society

Abstract: In this paper, the statistical properties of tropical ice clouds (ice water content, visible extinction, effective radius, and total number concentration) derived from 3 yr of ground-based radar?lidar retrievals from the ...

CloudSat as a Global Radar Calibrator

Source: Journal of Atmospheric and Oceanic Technology:;2010:;volume( 028 ):;issue: 003:;page 445

Author(s): Protat, A.; Bouniol, D.; O’Connor, E. J.; Klein Baltink, H.; Verlinde, J.; Widener, K.

Publisher: American Meteorological Society

Abstract: The calibration of the CloudSat spaceborne cloud radar has been thoroughly assessed using very accurate internal link budgets before launch, comparisons with predicted ocean surface backscatter at 94 GHz, direct comparisons ...

CORRIGENDUM

Source: Journal of Atmospheric and Oceanic Technology:;2011:;volume( 028 ):;issue: 005:;page 734

Author(s): Protat, A.; Delanoë, J.; O’Connor, E. J.; L’Ecuyer, T. S.

Publisher: American Meteorological Society

Exploiting Existing Ground-Based Remote Sensing Networks to Improve High-Resolution Weather Forecasts

Source: Bulletin of the American Meteorological Society:;2015:;volume( 096 ):;issue: 012:;page 2107

Author(s): Illingworth, A. J.; Cimini, D.; Gaffard, C.; Haeffelin, M.; Lehmann, V.; Löhnert, U.; O’Connor, E. J.; Ruffieux, D.

Publisher: American Meteorological Society

Abstract: new generation of high-resolution (1 km) forecast models promises to revolutionize the prediction of hazardous weather such as windstorms, flash floods, and poor air quality. To realize this promise, a dense observing ...

Assessment of Cloudsat Reflectivity Measurements and Ice Cloud Properties Using Ground-Based and Airborne Cloud Radar Observations

Source: Journal of Atmospheric and Oceanic Technology:;2009:;volume( 026 ):;issue: 009:;page 1717

Author(s): Protat, A.; Bouniol, D.; Delanoë, J.; O’Connor, E.; May, P. T.; Plana-Fattori, A.; Hasson, A.; Görsdorf, U.; Heymsfield, A. J.

Publisher: American Meteorological Society

Abstract: A quantitative assessment of Cloudsat reflectivities and basic ice cloud properties (cloud base, top, and thickness) is conducted in the present study from both airborne and ground-based observations. Airborne observations ...

How Can Existing Ground-Based Profiling Instruments Improve European Weather Forecasts?

Source: Bulletin of the American Meteorological Society:;2018:;volume 100:;issue 004:;page 605

Author(s): Illingworth, A. J.; Cimini, D.; Haefele, A.; Haeffelin, M.; Hervo, M.; Kotthaus, S.; Löhnert, U.; Martinet, P.; Mattis, I.; O’Connor, E. J.; Potthast, R.

Publisher: American Meteorological Society

Abstract: AbstractTo realize the promise of improved predictions of hazardous weather such as flash floods, wind storms, fog, and poor air quality from high-resolution mesoscale models, the forecast models must be initialized with ...

An Overview of the Urban Boundary Layer Atmosphere Network in Helsinki

Source: Bulletin of the American Meteorological Society:;2013:;volume( 094 ):;issue: 011:;page 1675

Author(s): Wood, C. R.; Järvi, L.; Kouznetsov, R. D.; Nordbo, A.; Joffre, S.; Drebs, A.; Vihma, T.; Hirsikko, A.; Suomi, I.; Fortelius, C.; O'Connor, E.; Moiseev, D.; Haapanala, S.; Moilanen, J.; Kangas, M.; Karppinen, A.; Vesala, T.; Kukkonen, J.

Publisher: American Meteorological Society

Abstract: nki Urban Boundary-Layer Atmosphere Network (UrBAN: http://urban.fmi.fi) is a dedicated research-grade observational network where the physical processes in the atmosphere above the city are studied. Helsinki UrBAN is the ...

JOYCE: Jülich Observatory for Cloud Evolution

Source: Bulletin of the American Meteorological Society:;2014:;volume( 096 ):;issue: 007:;page 1157

Author(s): Löhnert, U.; Schween, J. H.; Acquistapace, C.; Ebell, K.; Maahn, M.; Barrera-Verdejo, M.; Hirsikko, A.; Bohn, B.; Knaps, A.; O’Connor, E.; Simmer, C.; Wahner, A.; Crewell, S.

Publisher: American Meteorological Society

Abstract: he Jülich Observatory for Cloud Evolution (JOYCE), located at Forschungszentrum Jülich in the most western part of Germany, is a recently established platform for cloud research. The main objective of JOYCE is to provide ...

Cloudnet

Source: Bulletin of the American Meteorological Society:;2007:;volume( 088 ):;issue: 006:;page 883

Author(s): Illingworth, A. J.; Hogan, R. J.; O'Connor, E. J.; Bouniol, D.; Delanoë, J.; Pelon, J.; Protat, A.; Brooks, M. E.; Gaussiat, N.; Wilson, D. R.; Donovan, D. P.; Baltink, H. Klein; van Zadelhoff, G-J.; Eastment, J. D.; Goddard, J. W. F.; Wrench, C. L.; Haeffelin, M.; Krasnov, O. A.; Russchenberg, H. W. J.; Piriou, J-M.; Vinit, F.; Seifert, A.; Tompkins, A. M.; Willén, U.

Publisher: American Meteorological Society

Abstract: The Cloudnet project aims to provide a systematic evaluation of clouds in forecast and climate models by comparing the model output with continuous ground-based observations of the vertical profiles of cloud properties. ...