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Originating from an extremely large disturbance in the Philippines sea during late June, Danas’ predecessor tracked generally westward and entered the South China sea as a disorganized, large gyre.
The disturbance that spawned Danas in late June 2025. Source: meteologix.com
The disturbance developed vigorous deep convection while establishing a decent outflow pattern, and by July 4th it had been classified by JMA and JTWC, receiving the name Danas. An ASCAT pass at this time showed ~30kt winds encircling the storm’s center, although these winds would not fully wrap for a while.
Danas intensifying over the South China Sea. Source: cyclonicwx.com
ASCAT pass taken around the end of the gif, showing Danas with a well defined albeit asymmetric core. Source: manati.star.nesdis.noaa.gov
Danas would quickly consolidate and undergo rapid intensification, achieving typhoon status and even managing to clear a brief yet well defined eye. Rapid intensification ensued soon after the storm mixed out a well defined dry slot, which allowed it to take in the warm moist air more easily. The eye struggled to clear at first due to extremely powerful vortical hot towers, which wrapped around the storm’s center and obscured the eye with cirrus clouds. Danas developed an extremely strong core on radar imagery taken from Taiwan.
Infrared satellite image loop showcasing the rapid clearing of Danas' eye. Source: tropicaltidbits.com
Typhoon Danas clearing an eye soon before its landfall in Taiwan. Source: dapiya.top
Visible satellite loop showcasing Danas rapidly clearing an eye on its approach to Taiwan. Source: tropicaltidbits.com
Radar image taken not long before Danas' first landfall in Taiwan, in which the storm exhibits a powerful core. Source.gov.tw
On July 6th the strong typhoon would make landfall in the central-western portion of Taiwan, marking the first typhoon to do so since Wayne in 1986. The storm made its impact known to local residents as atypically powerful winds for a storm of its strength battered the island from an unusual direction.
Typhoon Danas making landfall in the south western portions of Taiwan. Source: tropicaltidbits.com
The typhoon would quickly succumb against Taiwan’s harsh terrain and rapidly weaken into a broad and weak tropical storm. After emerging back into open waters, the typhoon would briefly recover strength and organization, once again becoming a tropical storm strength TC. The system would mark its final impact as it made landfall in China, soon after which Danas degraded into a remnant low overland.
Typhoon Danas looking disorganized over the mountainous terrain of Taiwan. Source: tropicaltidbits.com
Danas reorganizing as it crosses over open waters, whilst heading for its final landfall in China. Source: tropicaltidbits.com
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Danas rapidly intensifying over the South China Sea. Source: cyclonic.wx
Danas making its final landfall in China. Source: tropicaltidbits.com
