A Swiss-Brazilian partnership is turning Curitiba into a living laboratory for climate resilience, sensor by sensor.
When you open a weather app, the forecast appears simple: a temperature, a weather symbol and perhaps a probability of rain. It is easy to assume these values come directly from one weather model. In reality, model output often goes through comparison, local adjustment, observation-based updates and quality control first.
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Icon
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°F
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54°
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53°
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59°
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61°
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60°
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57°
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55°
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53°
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°F
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54°
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52°
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58°
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59°
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57°
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55°
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52°
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51°
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SSE |
S |
SSW |
SSW |
SSW |
SSW |
S |
S |
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mph
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1-4
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2-5
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3-10
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5-13
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6-13
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5-12
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4-8
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4-8
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in
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-
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-
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-
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-
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0.06
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0.16
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-
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-
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%
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0%
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0%
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10%
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30%
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45%
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50%
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45%
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25%
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in
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12.4 mi
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During the night and in the first hours of the day it is mostly cloudy and for this afternoon some wet spells with showers are mixed in. The sun will not be visible. The chance of precipitation is moderate or near 50%. Temperatures peaking at 61 °F. Overnight into Monday light air is noticeable (1 to 4 mph). By day blows a light breeze (4 to 8 mph). Winds blowing at night and in the afternoon from South and in the morning from Southwest. The weather forecast for Petrova for Monday is changing rapidly and likely to be in disagreement. Check again at a later time for a more reliable forecast.
Pressure: 1009 hPa
Timezone: MSK (UTC +03:00h)
By comparing today's temperatures to 40 years of historical data we can see whether today's forecast is unusually warm (red areas) or cold (blue areas). Coloured dots show observed actual temperatures from professional and private weather stations.
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The real-time satellite image combines visible light during daytime with infrared radiation during nighttime. At night, the image is not dark as infrared radiation can detect temperature differences. Unfortunately, low clouds and fog are difficult to distinguish from ground temperatures and thus can be almost invisible during the night. Meteosat satellite images for Europe are updated in real-time every 5 minutes. GOES-16/GOES-17 (North & South America) and Himawari (Asia) images update every 10 minutes.
Precipitation is estimated from radar and satellites. Precipitation estimates from satellites are less accurate at night than during daytime.
© 2026 meteoblue, NOAA Satellites GOES-16 and EUMETSAT. Lightning data provided by nowcast.
The location marker is placed on Petrova. This animation shows the precipitation radar for the selected time range, as well as a 2h forecast. Orange crosses indicate lightning. Data provided by nowcast.de (available in USA, Europe, Australia). Drizzle or light snow fall might be invisible for the radar. Precipitation intensity is colour coded, ranging from turquoise to red.
A Swiss-Brazilian partnership is turning Curitiba into a living laboratory for climate resilience, sensor by sensor.
When you open a weather app, the forecast appears simple: a temperature, a weather symbol and perhaps a probability of rain. It is easy to assume these values come directly from one weather model. In reality, model output often goes through comparison, local adjustment, observation-based updates and quality control first.
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