Strateole 2

Strateole-2 is a French-US project to study climate processes in the Tropical Tropopause Layer (TTL) and in the lower stratosphere. The project originality pertains to the use of CNES superpressure balloons, capable of drifting for several months between 18 and 20 km altitude.

Strateole-2 will release a total of nearly 50 long-duration balloons in three separate campaigns between 2019 and 2024. Balloons are released from Mahé international airport, Seychelles, with the local support of Seychelles Meteorological Authority.

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A long-duration balloon project at the tropical tropopause to advance our understanding of climate processes

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ESA EarthObservation@ESA_EO·

27 May

Around the world in (a bit less then) 80 days!
Read more about @strateole_2's successful first campaign and its scientific aims: https://earth.esa.int/eogateway/news/around-the-world-in-eight-balloons-with-strateole-2 https://twitter.com/esa_aeolus/status/1265317590336929794

esa aeolus mission@esa_aeolus

What does it take to fly eight superpressure balloons around the world?🎈🌍🤔 From gargantuan diplomatic feats to wayward balloons and technical mishaps, read all about @strateole_2's successful first campaign and all the challenges it faced along the way👉https://earth.esa.int/eogateway/news/around-the-world-in-eight-balloons-with-strateole-2

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Strateole_2 @strateole_2·

26 May

#Strateole2 06_STR1 payloads shortly after their landing in Mali!

Walid Le Berbère@Walid_Leberbere

#Mopti
La semaine dernière un avion a parachuté ces deux appareils près du village de #Diguiciré à 40 km au nord-ouest de #Tenenkou, selon des sources locales des éléments de la Katiba Macina seraient venu l'incendié quelques heures après..... #Sahel

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Strateole_2 @strateole_2·

25 Feb

Believe it or not: #Strateole2 "grey" balloon celebrated today Jules Verne's novel by completing a stratospheric round-the-world journey in exactly 80 days!
@IPSL_outreach @esa_aeolus @Scripps_Ocean @gps_hammer @CNES @meteofrance @Strateole2USA @LASPatCU @NSF @latmos_ipsl

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ECMWF@ECMWF·

6 Feb

We started monitoring data from the #Strateole2 balloons. Upper balloons designed to study the equatorial upper troposphere&lower stratosphere providing wind and temperature. Thanks: @NSF @INSU_CNRS @Scripps_Ocean @salcandido @CNES @strateole_2
Details: https://webstr2.lmd.polytechnique.fr/#/

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Stratéole 2 USA @Strateole2USA·

17 Jan

50 RACHuTS profiles and counting! These are first of its kind profiles of temperature #TSEN, aerosol #ROPC, and water vapor #FLASHB 2 km through the #TTL. Lots of great data ratcheting in. Even early evidence of sub-visible cirrus clouds.

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Strateole_2 @strateole_2·

14 Jan

After 56 d + 19 hr of flight, a #Strateole2 balloon just performed the first circumnavigation around the Earth. @CNES long-duration balloons are truly unique to explore the lower stratosphere worldwide!
@INSU_CNRS @IPSL_outreach @Strateole2USA @meteofrance @latmos_ipsl @LASPatCU

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Strateole_2 @strateole_2·

7 Dec

The 8th and last #Strateole2 long-duration balloon has been launched tonight from Seychelles. Thanks to all @CNES and science teams for this great campaign! Lots of achievements and lessons learned for next time.
@IPSL_outreach @latmos_ipsl @meteofrance @LASPatCU @Scripps_Ocean

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Strateole_2 @strateole_2·

6 Dec

And a second balloon the same night, with this time the @Scripps_Ocean ROC as well as @latmos_ipsl Boldair and Becool instruments. Thanks to @CNES team for this great #Strateole2 night!
@IPSL_outreach @NSF @meteofrance @INSU_CNRS @Strateole2USA

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Strateole_2 @strateole_2·

5 Dec

After 1 week of disruption due to the presence of tropical storm Belna in the vicinity of Seychelles, #Strateole2 launches have resumed. TTL2 balloon carrying @LASPatCU Floats and @INSU_CNRS pico-SDLA instruments is in the air!
@CNES @latmos_ipsl @IPSL_outreach @NSF @meteofrance

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