Presentation

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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AvatarStrateole_2@strateole_2·
19h

#Strateole2 balloon records of #HungaTongaHungaHaapai eruption on Jan. 15th. Impressive infrasound signals in the stratosphere!
@CNES @INSU_CNRS @IPSL_outreach @ISAE_officiel @esa_aeolus

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Avatar🌍 Terre & 🌌 Univers - CNRS@INSU_CNRS·
7 Dec

#Décryptage
Un tour du monde pour observer le #climat 🌏? Les derniers ballons de la seconde campagne Stratéole-2 se sont envolés cette semaine. 🎈
On vous explique tout ici ⤵️
https://www.insu.cnrs.fr/fr/cnrsinfo/strateole-2-un-tour-du-monde-en-ballons-en-85-jours
#lmd_ipsl

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AvatarStrateole_2@strateole_2·
15 Nov

And this is the launch of the second #Strateole2 balloon in this beautiful Seychelles night. Both balloons will fly near 20 km of altitude for months (hopefully), surfing stratospheric waves around the Earth.
@IPSL_outreach @CNES @INSU_CNRS

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AvatarStrateole_2@strateole_2·
15 Nov

Green light for the 13th #Strateole2 flight tonight. Stars above us, convection approaching from the east.
@IPSL_outreach @latmos_ipsl @Scripps_Ocean @meteofrance

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AvatarStrateole_2@strateole_2·
8 Nov

+2 balloon flights tonight. 11 launched so far. And more to come! #Strateole2 continues.
@IPSL_outreach @Strateole2USA @INSU_CNRS @CNES @LASPatCU

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AvatarStrateole_2@strateole_2·
2 Nov

Yesterday night, we flew the 7th #Strateole2 balloon from Seychelles. @INSU_CNRS instruments onboard will measure greenhouse gases all across the tropics.
The same day, Flight #2 had sadly to be terminated because of the loss of one com link in the gondola.
@CNES @IPSL_outreach

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AvatarStrateole_2@strateole_2·
29 Oct

The #Strateole2 campaign continues with the smooth launch (zero wind!) of its 6th long-duration balloon. This one carries the same instruments than the 1st (unfortunate) flight.
We hope the best for flight #6. So far so good...! @INSU_CNRS @IPSL_outreach @CNES

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