Application to field experiments - RECYF Recherche et EXpérimentation sur les CYclogénèses et les Fronts

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Application to field experiments

Warm Conveyor Belts in the NAWDEX campaign

by Marie Mazoyer and Philippe Arbogast published in the Météo-France 2018 Research Report (ISSN : 2116-4541) Warm Conveyor Belts (WCBs) are dynamically important airstreams in mid-latitude cyclones. They correspond to the ascent of warm and humid air masses from the lower (...)

Constant level drifting balloons in HyMeX and deployment strategies

by Alexis Doerenbecher and Fabien Bernard published in the Météo-France 2012 Research Report (ISSN : 2116-438X) During the Special Observing Period (SOP ) number 1 (SOP1) of HyMeX (Hydrological cycle in the Mediterranean eXperiment), about fifteen Boundary Layer (...)

An overview of the deployment of boundary layer balloons in HyMeX

by Alexis Doerenbecher published in the Météo-France 2013 Research Report (ISSN : 2116-438X) Some 30 CNES (French National Center for Space Studies) instrumented boundary layer pressurized balloons were deployed during the HyMeX (Hydrological cycle in the (...)

Kalman Filter Sensitivity for HyMeX SOP1 (fix)

The Kalman Filter Sensitivity method is used to compute the sensitive areas that are defined as follows. Case A : Lead-time is 42h, optimization is 24h. Case B : Lead-time is 54h, optimization is 18h. Case C : Lead-time is 66h, optimization is (...)

Ensemble sensitivity within HYMEX

This section presents daily computations of sensitivity analysis. Sensitivity of Moisture and meridional wind at the final time with respect to wind and temperature at the initial time are calculated. Sensitivity of 850 hPa Moisture wrt to : 850 hPa moisture 850 hPa (...)

FASTEX 1997

The FASTEX campaign, that took place in January-February 1997 over the whole Northern Atlantic region, was the first exercise for the real-time adaptive observation. In this campaign, adaptive observation was the approach chosen to observe the early stages of development (...)

DTS 2008 and 2009

The Data Targeting System : a test of feasibility of operational adaptive observation The concept of guiding a component of the atmospheric in-situ observing system over Europe depending on the meteorological situation has entered a new phase : EUCOS has implemented an (...)

TReC 2003

The TReC /TOST -2003 is the re-start of fields-campaigns with adaptive observation in Europe, 7 years after FASTEX . The TReC 2003 was held from September to December 2003. The objectives were different from FASTEX : to test the feasibility of an adaptive network (...)

COPS 2007

The campaign COPS was an international field observing campaign which took place in the upper Rhine valley, on the Black Forest and Vosges, during the summer of 2007. During this campaign, some reconnaissance flights (called "upstream" flights) were done by the DLR ’s Falcon (...)

CONCORDIASI 2010

The CONCORDIASI experiment is part of the International Polar Year (IPY 2007-2008). Its primary objective is to study the assimilation of raw radiances collected by the IASI instrument (onboard the polar satellite MetOp-1) above the icy surface of Antarctica. To this end, (...)

HyMeX 2012

The international and multi-disciplinary project HyMeX (2012-2022) will comprise an important observation campaign in the Mediterranean region. The overarching theme of HyMeX is too fully understand and close the water cycle in the Mediterranean region at various space an (...)