Cyclogenesis off Uruguay and southern Brazil

Cyclogenesis off Uruguay and southern Brazil

2 April 2020 15:50 UTC and 29 April 13:20 UTC

Cyclogenesis off Uruguay and southern Brazil
Cyclogenesis off Uruguay and southern Brazil

Explosive cyclogenesis off the Uruguay coast and near southern Brazil in early April could be seen in satellite imagery.

Last Updated

04 May 2023

Published on

02 April 2020

By Néstor Santayana (INUMET) and José Prieto (EUMETSAT)

On 2 and 3 April, a cyclogenesis with explosive characteristics developed near the coast of Uruguay and southern Brazil. It deepened intensely, reaching 19 mb in 24 hours with a centre of less than 985 hPa.

Image comparison

GOES-16 Airmass RGB compare1
compare2
 

Figure 1: GOES-16 composites for ABI channels around 1.6 µm,0.8 µm,0.5 µm (left) and Airmass RGB (right), 2 April 15:50 UTC.

Image comparison

GOES-16 phase-solar RGB compare1
compare2
 

Figure 2: GOES-16 ABI airmass RGB (left) and phase-solar RGB (right) for 30 June at 17:10 UTC. The phase-solar RGB is based on R=0.86 µm-1.6 µm, G=0.8 µm, B=0.64 µm-0.86 µm.