The ALERTABLU Application provides information about the Itajaí-Açu River, rainfall and floods in real time. This application has several functionalities, such as: monitoring the river level and its state of vigilance (attention, alert and readiness).
If the river level is in the ready state, the system will show the level forecast for the next hour.
In addition, it is possible to register places to monitor and if the place is with its quota within the forecast at the level, the application will alert the user about the forecast. There are also alerts of changes in weather and landslides.

Check information about Rio, floods, quotas, weather and temperature.
You can search for Shelters and the closest one by the GPS of the cellphone, it brings in a list the distance in meters, clickable phone and link in Google Maps.
Get Weather Warnings with emergency rainfall information for the next few hours.
Precipitation Conditions and Rainfall Probability listed by Regions, with descriptive status and colors according to their levels.
Traffic Notifications - Information on the state of Transit in Blumenau.

New layout, more beautiful and features with better ease of use.
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What's New

-Now, in the main menu, there is the option of "Risk Maps", with details and help. Risk maps are useful for advising on a particular risk in a region in the Blumenau city.
- On the Weather Forecast screen, in the "Maximum and Minimum" Temperatures area, selecting this brings up a screen with the history of the air temperature in Blumenau in a graph and option in the list.
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Additional Information

May 7, 2021
Varies with device
Current Version
Varies with device
Requires Android
Varies with device
Content Rating
Offered By
Município de Blumenau
Prefeitura de Blumenau - Av. Castelo Branco, 2 - Praça Victor Konder - Centro - CEP 89010-904 - Blumenau - SC - Brasil, SEGT - Secretaria Municipal de Gestão e Transparência - Sala 41, 4o Andar
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