Discover and read the best of Twitter Threads about #Himawari8

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The first #stratospheric #volcanic #eruption of 2022, at #HungaTongaHungaHaapai (#Tonga) on Jan 13-14. #Sentinel5P #TROPOMI & @NASA's Aura/OMI both measure ~0.05 Tg SO₂ in the #volcanic cloud - not enough for #climate impacts. @CopernicusEU @NASAEarth @volcanessa @MetService
Another spectacular #eruption of Hunga #Tonga-Hunga Ha'apai at ~04:00 UTC on Jan 15. #Himawari8 data via @CIRA_CSU.
First look at SO₂ in the Jan 15 #eruption cloud measured by @eumetsat MetOp/GOME-2. So far, the SO₂ columns do not appear to be extreme; generally <20 Dobson Units (DU). For a Pinatubo-scale event we'd expect SO₂ columns >100 DU. More data soon.
Read 5 tweets
Clouds in Assam cleared a little bit today which allowed us to see #Brahmaputra River which has been flowing in severe flood condition! (Brown area in middle)

With a width of almost a dozen km, even coarse res satellites could capture it clearly

#Himawari8 Anim in tweet below Image
Animated view of North East India today
Looks like fire is still raging in the Baghjan oil field.. Image
Read 3 tweets
Farmers in NW India are about to begin harvesting rice crop. #Aqua #MODIS NDVI for Sep historically largest this year--indicating a whooping crop prod>12 m tons. Given traditional crop residue burning practice, it means an intense fire season with ~16000 incidences in Oct & Nov
@NASAEarth @NASAGoddard @moesgoi @rajeevan61 @jayashreenandi @VishnuNDTV @parthaabosu @airqualityindia @m_parrington @robertdfield @UrbanEmissions @iainmarlow @USRAedu @SmokeyBot @urbansciencesIN @avoiland @vinoj_iisc @jmccarty_geo This is an initial estimate based on 16-day Sep data from #Aqua #MODIS. I will revise it with monthly observations once they are available (likely in 2nd week of Oct), however not expecting major change in results.
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