Heavy rainfall and flooding associated with Tropical Cyclone Seroja
![MIMIC Total Precipitable Water product [click to play animation | MP4]](https://cimss.ssec.wisc.edu/satellite-blog/images/2021/04/comp20210403.070000_tpw.png)
MIMIC Total Precipitable Water product [click to play animation | MP4]
At Kupang’s El Tari Airport, precipitation amounts included 547 mm (21.5 inches) during the 48 hours ending at 00 UTC on 05 April — with the heaviest amounts of 106 mm (4.2 inches) in 6 hours and 80 mm (3.1 inches) in 3 hours occurring during the 00-06 UTC period on 04 April when the pressure was falling as Cyclone Seroja began to slowly organize and intensify (below). Flash flooding affected much of the island, with multiple deaths being reported.
JMA 2.5-minute interval rapid scan Himawari-8 “Clean” Infrared Window (10.4 µm) images (below) revealed a few convective bursts — with cloud-top infrared brightness temperatures of -90ºC and colder (yellow pixels embedded within darker shades of purple) — in the vicinity of Kupang (station identifier WATT) between 04 UTC on 04 April and 00 UTC on 05 April.JMA Himawari-8 “Clean” Infrared Window (10.4 µm) images [click to play animation | MP4]
CMORPH estimates of 7-day precipitation (available in RealEarth) over the region show 300-400 mm over West Timor, and values exceeding 700 mm (!!) over the adjacent ocean.