–> download HALO calendar
(current version: May 2025)
skip to future missions
skip to previous missions: since 2023 | 2019 – 2022 | 2016 – 2018 | before 2016
Current HALO Mission:
NAWDIC (11/2025 – 02/2026) – Shannon, Ireland
>> North Atlantic Waveguide, Dry Intrusion, and Downstream Impact Campaign
| PI: J. Quintang (KIT/ U. Cologne)
Future HALO Missions:
COMET 3.0 (06/2026 – 09/2026) – Brazil
>> Research campaign on greenhouse gases in the Tropics
| PI: A. Fix (DLR-IPA)
WAVEGUIDE (10/2026 – 12/2026) – Kiruna, Sweden
>> Gravity Waves in Polar Night Jet
| PI: B. Kaifler (DLR-IPA)
AEROCLOUD (07/2027 – 09/2027) – OP, Germany / North America
>> AEROsol and CLOUD effects related to aviation
| PI: C. Voigt (DLR-IPA)
CONTANGO -FIRE (11/2027 – 01/2028) – Mendoza, Argentina
>> CONvection, upper Troposphere Aerosol Nucleation, Gas phase Oxidation, and influence of wildFIREs on atmospheric chemistry and climate experiment
| PI: J. Curtius (GUF); P. Hoor (U. Mainz); Y. Cheng (MPI-C)
CONIDA night (10/2028 – 12/2028) – Kiruna, Sweden
>> Contrasting Polar Night and Day
| PI: M. Wendisch (U. Leipzig)
CONIDA day (06/2029 – 07/2029) – Kiruna, Sweden
>> Contrasting Polar Night and Day
| PI: F. Ament (U. Hamburg)
STACCATO (08/2029 – 09/2029) – Walvisbay, Namibia
>> Stratocumulus Cloud Controls at the Mesoscale
| PI: F. Ament (U. Hamburg); R. Vogel (U. Hamburg); B. Stevens (MPI-M); S. Kang (MPI-M)
HYGROPEX (12/2029 – 06/2030) – Shannon, Ireland
>> The Hygropause of the Extratropics
| PI: JP. Hoor (U. Mainz); M. Hegglin (FZJ)
approved, but not yet finally scheduled
CoMet 4.0 Valise (2030) – OP, Germany
>> Carbon dioxide and Methane mission for HALO Validation of spaceborne experiments
| PI: A. Fix (DLR-IPA)
AmazonBEAT (2031) – Brazil
>> Amazonian Biogenic Emissions and ATmospheric effects
| PI: M. Pöhlker (TROPOS)
BIODUST (2031) – Cape verde
>> BIOcrusts in global DUST cycling and their effects on biogeochemical processes, climate, and health
| PI: M. Pöhlker (TROPOS); C. Pöhlker (MPI-C)
Previous HALO Missions:
HALO South (07/2025 – 10/2025) – Christchurch, New Zealand
>> The interplay of Clouds, Aerosols and Radiation above the Southern Ocean
| PI: M. Pöhlker (TROPOS)
ASCII (12/2024 – 04/2025) – OP, Germany / Kiruna, Sweden
>> Arctic Springtime Chemistry Climate Investigations
| PI: A. Engel (GUF); B.-M. Sinnhuber (KIT)
PERCUSSION (formerly EC-TOOC) (06/2024 – 11/2024) – Sal, Cape Verde / Barbados / OP, Germany
>> Persistent EarthCare underflight studies of the ITCZ and organized convection
| PI: B. Stevens (MPI-M); S. Groß (DLR-IPA)
CAFE-Pacific (10/2023 – 03/2024) – Cairns, Australia
>> Chemistry of the Atmosphere: Field Experiment over the Pacific
| PI: J. Lelieveld (MPI-C); J. Curtius (GUF)
PHILEAS (06/2023 – 10/2023) – OP, Germany / Anchorage, USA
>> Probing High Latitude Export of air from the Asian Summer Monsoon
| PI: P. Hoor (U. Mainz); M. Riese (FZJ)
2019 – 2022
CAFE-Brazil (09/2022 – 02/2023) – Manaus, Brazil
>> Chemistry of the Atmosphere: Field Experiment in Brazil
| PI: J. Lelieveld (MPI-C); J. Curtius (GUF)
CoMet 2.0 Arctic (06/2022 – 09/2022) – Edmonton, Canada
>> Research campaign on greenhouse gases in the high latitudes
| PI: A. Fix (DLR)
HALO-(AC)3 (12/2021 – 08/2021) – Kiruna, Sweden
>> Arctic Air-Mass Transformations During Warm Air Intrusions and Marine Cold Air Outbreaks
| PI: M. Wendisch (U. Leipzig)
CIRRUS-HL (02/2021 – 08/2021) – OP, Germany
>> Research Campaign on Ice Clouds and Contrails
| PI: C. Voigt (DLR)
BLUESKY / CAFE-EU (02/2020 – 06/2020) – OP, Germany
>> Examination of the atmosphere during the Coronavirus lockdown
| PI: J. Lelieveld (MPI-C); J. Curtius (GUF)
EUREC4A (12/2019 – 02/2020) – Barbados
>> Elucidating the Role of Cloud-Circulation Coupling in Climate
| PI: B. Stevens (MPI-M)
SouthTRAC (07/2019 – 12/2019) – Rio Grande, Argentina
>> Transport and Composition of the Southern Hemisphere UTLS
| PI: M. Rapp (DLR)
2016 – 2018
CAFE-Africa (06/2018 – 09/2018) – Sal, Cape Verde
>> Atmospheric oxidation capacity over the tropical and South Atlantic Ocean
| PI: J. Lelieveld (MPI-C)
CoMet(04/2018 – 06/2018) – OP, Germany
>> Atmospheric composition: Sources and sinks of carbon dioxide and methane
| PI: A. Fix (DLR-IPA)
EMeRGe-Asia (02/2018 – 05/2018) -Tainan, Taiwan
>> Air chemistry: Transport and transformation of pollutants from megacities
| PI: J. Burrows (U. Bremen)
WISE (08/2017 – 10/2017) – Shannon, Ireland
>> Dynamics & chemistry of mid-latitude upper troposphere / lower stratosphere
| PI: M. Riese (FZJ); P. Hoor ( U. Mainz)
EMeRGe-EU (05/2017 – 08/2017) – OP, Germany
>> Air chemistry: Transport and transformation of pollutants from megacities
| PI: J. Burrows (U. Bremen)
NAWDEX (09/2016 – 10/2016) – Keflavik, Iceland
>> Mid-latitude dynamic meteorology: North Atlantic waveguide and downstream impact experiment
| PI: G. Craig (LMU)
NARVAL 2 (06/2016 – 08/2016) – Barbados
>> Remote sensing for validation studies: Organized convection in the deep tropics
| PI: B. Stevens (MPI-M)
iLOADS (03/2016 – 04/2016) – OP, Germany
>> Structural load analysis of HALO
| PI: W. Krüger (DLR-AE)
POLSTRACC/GW-LCYCLE/SALSA (PGS) (11/2015 – 03/2016) – OP, Germany / Kiruna, Sweden
>> Dynamics & chemistry of Arctic upper troposphere / lower stratosphere
| PI: H. Oelhaf (KIT); B.-M. Sinnhuber (KIT); M. Rapp (DLR-IPA); A. Engel (GUF)
before 2016:
OMO (11/2014 – 09/2015) – OP, German / Pahos, Cyprus / Gan, Maledives
>> Oxidation mechansim observations in the extratropical free troposphere
| PI: J. Lelieveld (MPI-C); H. Harder (MPI-C)
CharmF (04/2015 – 05/2015) – OP, Germany
>> STest Campaign for CHARM-F
| PI: A. Amediek (DLR-IPA)
ACRIDICON-CHUVA (06/2014 – 10/2014) -Manaus, Brazil
>> Aerosol, Cloud, Precipitation, Radiation Interactions and Dynamics of Convective Cloud Systems
| PI: M.O. Andreae (MPI-C); M. Wendisch (U. Leipzig); U. Pöschl (MPI-C)
ML-CIRRUS (02/2014 – 04/2014) – OP, Germany
>> Formation, Lifetime, Properties and Radiative Impact of Mid-Latitude Cirrus Clouds
| PI: C. Voigt (DLR-IPA)
NARVAL (12/2013 – 01/2014) – OP, Germany
>> North Atlantic Rainfall VALidation
| PI: B. Stevens (MPI-M)
TACTS & ESMVal (06/2012 – 10/2012) – OP, Germany
>> Transport and compositon in the UT/LMS Seasonal Change: Transition from summer to autumn Earth System Model Validation
| PI: A. Engel (GUF); H. Schlager (DLR-IPA)
GEOHALO (06/2012) – OP, Germany
>> Geophysical Investigation of the Mediterranean using HALO (Gravimetry / Magnetometry)
| PI: M. Scheinert (TU Dresden)
HALO-TECHNO (2010) – OP, Germany
>> HALO technical test mission
skip to future missions
skip to previous missions: since 2023 | 2019 – 2022 | 2016 – 2018 | before 2016
–> download HALO calendar
(current version: May 2025)