He advance of the frontal system through the central area of the country will leave heavy rains. This has been ratified by the Chilean Meteorological Directorate in its most recent weather alarmvalid for this Thursday, June 20.
According to the official institution of national meteorology in its alarm AAA4/2024, intense rainfall in a short period of time between the regions of Maule and Ñuble product of the cold frontal system that advances through the national territory.
The affected areas include the coastline, coastal mountain range, valley and foothills of both regions, with amounts that could reach 60 mm throughout the day. The details of the rainfall forecast by the DMC, by area, are as follows:
- Maule Region
- coastal zone: 40 mm to 50 mm
- coastal mountain range zone: 45 mm to 55 mm
- Valley zone: 45 mm to 60 mm
- premountain zone: 50 mm to 60 mm
- Ñuble Region
- coastal zone: 40 mm to 50 mm
- coastal mountain range zone: 45 mm to 55 mm
- Valley zone: 45 mm to 55 mm
- premountain zone: 50 mm to 60 mm.
We remember that a weather alarm is issued when “they are forecast meteorological phenomena with a degree of intense severitywith very high potential to generate material and life risks to people“. Given the maximum level of meteorological alert, the Meteorological Directorate of Chile calls on the population to stay informed, comply with the instructions generated by the authorities and to be prepared for extraordinary measures.
More than 10 millimeters of rain per hour
According to information extracted from ECMWF and GFS modelthe rainfall that occurs during the advance of the frontal system through the central zone of the country will have maximum rates that will be between 8 and 10 mm/h on average.
Meteored forecasts indicate that these precipitation volumes will remain constant during the advance of the frontal band towards the central north. Sectors of O’Higgins should also receive abundant rainfall during the afternoon of this Thursday (20th).
The Showers will also be intense over the regions of Valparaíso and Metropolitanawhere they could exceed 10 mm/h in some sectors of the coastal and coastal mountain range of the Valparaíso Region, according to the most recent estimates of both models. In these regions, peak rainfall is expected between early morning and the morning of Friday, June 21.
Given the intensity of the rains in the sections of the O’Higgins, Metropolitan and Valparaíso regions, the DMC issued another weather alarmbefore the rainfall that will occur on Friday the 21st.
The precipitation amounts predicted by the Meteorological Directorate of Chile, for the north-central part of the country, are the following:
| Region – Zone | Predicted rainfall range (mm) |
|---|---|
| Valparaíso – Coast | 40 to 50 |
| Valparaíso – Coastal Mountain Range | 40 to 50 |
| Valparaíso – Precordillera and precordilleran valleys | 40 to 50 |
| Metropolitan – Cordillera Costa | 40 to 50 |
| Metropolitan – Valley | 40 to 50 |
| Metropolitan – Precordillera | 40 to 50 |
| O’Higgins – Coast | 40 to 50 |
| O’Higgins – Coastal Mountain Range | 45 to 55 |
| O’Higgins – Valle | 45 to 55 |
| O’Higgins – Precordillera | 45 to 55 |
| Information extracted from the AAA5/2024 weather alarm issued by the Chilean Meteorological Directorate. | |
Sources and references of the news:
– Meteorological Directorate of Chile. AAA4/2024 Meteorological Alarm, AAA5/2024 Meteorological Alarm
