Official Sources:

Volcanic activity
Mexico
On 20 March 2020, the Mexico National Center for the Prevention (CENAPRED) reported that the Popocatépetl Volcano, located approximately 50 miles outside of Mexico City, registered 138 exhalations accompanied by ash. In addition, there were 106 minutes of low-amplitude tremor in the past 24 hours and ash fall was dispersed to the northeast. The report is available in Spanish at: CENAPRED

Unofficial Sources:

Severe weather
Mexico
On 19 March 2020, media reported the overflow of the Piedras Verdes river affecting 200 persons and 50 homes in Casas Grandes municipality, Chihuahua, Mexico. The report is available in Spanish at: Acronoticias Noticias.

Unofficial Sources:

Severe weather
Mexico
On 18 March 2020, media reported heavy rains that resulted in the damage of water pipes, leaving 2,000 families without water in Monclova and Asturias, Coahuila, Mexico. The report is available in Spanish at: Zócalo Noticias.

Official Sources:

Volcanic Activity
Guatemala
On 16 March 2020, the Guatemala National Coordinator for the Reduction of Disasters (CONRED), reported that the Santiaguito Volcano has been generating weak explosions and releasing a column of ash rising 3,300 meters high above sea level and dispersing to the southwest. The report is available in Spanish at: CONRED.

Official Sources:

Volcanic Activity
Mexico
On 18 March 2020, the Mexico National Center for the Prevention of Disasters (CENAPRED) reported that the Popocatépetl Volcano, located approximately 50 miles outside of Mexico City, registered 182 exhalations accompanied by ash; ash fall was dispersed towards the Southeast-South-Southwest sectors. There is a report of slight ash fall in the municipalities of Tetela del Volcán, San Andrés Hueyapan and Ocuituco. The report is available in Spanish at: CENAPRED.

Official Sources:

Severe Weather
Brazil (Update)
On 5 March 2020, the São Paulo Department of Civil Defense (DCSP) reported 32 deaths and 46 disappearances to date, caused by heavy rains that hit the Baixada Santista region of São Paulo State on Tuesday 3 March 2020. The deaths and disappearances occurred in the following municipalities: Guarujá (26 deaths and 41 missing), Santos (4 deaths and 4 missing), and São Vicente (2 deaths and 1 missing). In addition, there were another 55 persons have been displaced from Guarujá and Santos municipalities. The report is available in Portuguese at: DCSP.

Volcanic Activity
Mexico
On 6 March 2019, the National Center for Disaster Prevention (CENAPRED) reported that the Popocatépetl Volcano, located approximately 50 miles outside of Mexico City, registered 134 exhalations accompanied by ash and 1 explosion. Ash fall was dispersed towards the north-east. The report is available in Spanish at: CENAPRED.