The SADC Climate Services Centre has issued a weather advisory urging the public to expect heavy rainfall as Tropical Cyclone BATSIRAI is evolving over the southwest Indian Ocean. Pindula News presents the advisory:
HEAVY RAINFALL ADVISORY
ISSUE NUMBER: 02 OF 2021/22IMMRELEASE DATE: 31/01/2022 RAINFALL EASON: 2021/22
1. The Tropical Cyclone BATSIRAI is evolving over the southwest Indian Ocean is very likely to affect the islands of the Republic of Mauritius during the next 3 days.
2. Heavy rainfall expected over other regions of the SADC due to Tropical Cyclone BATSIRAI and active weather systems.
Analysis of model outputs from the following sources: European Centre for Medium-Range Weather Forecasting (ECMWF), Joint Typhoon Warning Centre (JTWC), Regional Specialized Meteorological Centre (RSMC) La Reunion and the SADC Climate Services Centre WRF-GFS, show that tropical cyclone BATSIRAI was located at 0000UTC near 16.3S 64.5E and is moving towards the west-north-west.
It is expected to first affect Rodrigues and then St Brandon (islands of Republic of Mauritius) later today.
The TC BATSIRAI is evolving in a favourable environment and is expected to intensify further into an Intense Tropical Cyclone and affect main island Mauritius between 01 and 02 February 2022.
Additionally, active weather systems are influencing other parts of SADC.
WARNING ZONE…heavy rainfall expected over the SADC region due to a tropical cyclone BATSIRAI and other weather systems during the period of 31January to 04 February 2022.
The tropical cyclone BATSIRAI will move towards the west. On this trajectory, there is a possibility that BATSI RAI may also affect central parts of Madagascar. However, the level of uncertainty at present is relatively high.
Other parts of SADC region that will experience increased rainfall during the next couples of days include Comoros, Seychelles, northern Malawi, Namibia, whole United Republic of Tanzania, Zambia, Democratic Republic of Congo, east Angola, and parts of South Africa, Botswana and Zimbabwe.
Heavy rainfall expected over the SADC region due to a tropical disturbance BATSIRAI and other weather systems during the period of 31January to 4 February 2022 (Source: SADC-CSC WRF-GFS Model and JTWC (tracks))
For more information on TC BATSIRAI, please visit the websites of RSMC Reunion (http://www.meteofrance. re/cyclone/activite-cyclonique-en-cours) and Mauritius Meteorological Services (http://metservice.intnet.mu).
National Meteorological and Hydrological Services are requested to closely monitor the heavy rainfall events and update relevant institutions such as Disaster Risk Management Agencies at Member States level to support preparedness and response measures to protect lives and property.
The next advisory will be issued when there is need to update information on the current evolving tropical system over the Indian Ocean, which will have a direct impact on the SADC Region.