As Europe recovers from an exceptional heatwave and meteorologists continue to monitor the potential for more heat, the PET map helps cities identify heat stress before it becomes a public health emergency.
Heatwaves are among Europe's most significant weather hazards, affecting millions of people as well as infrastructure, agriculture, and energy systems. But what actually causes a heatwave? Why do some persist for days or even weeks? And how do meteorologists forecast them?
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°F
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-5°
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-7°
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-8°
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-12°
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-15°
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-14°
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-8°
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-7°
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°F
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-26°
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-33°
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-36°
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-34°
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-32°
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-33°
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-31°
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-27°
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WSW |
W |
WSW |
WSW |
WSW |
WSW |
WSW |
WSW |
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mph
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25-34
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34-46
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37-50
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27-39
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16-23
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22-26
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27-38
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22-33
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in
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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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0%
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0%
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0%
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0%
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0%
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0%
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in
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No precipitation expected |
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12.4 mi
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Until noon the sky remains overcast, but most clouds give way after noon. The sun will not be visible. Temperatures peaking at -5 °F. During the night and in the first hours of the day winds near gale force (32 to 39 mph). Friday afternoon a strong breeze is blowing (25 to 32 mph). Gusts to 52 mph are possible. Winds blowing at night and in the morning from West and during the afternoon from Southwest. The weather forecast for Siple Island for Friday is likely to be accurate.
Pressure: 985 hPa
Timezone: NZST (UTC +12:00h)
High wind speeds expected for Siple Island. More Weather Maps
The animation shows the wind conditions of the storm at 200m above ground, which corresponds well with expected gusts at the surface. Choose other time steps to see the forecast of the storm.
You can embed this meteogram into your own website. Customize it here.
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 Siple Island. 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.
As Europe recovers from an exceptional heatwave and meteorologists continue to monitor the potential for more heat, the PET map helps cities identify heat stress before it becomes a public health emergency.
Heatwaves are among Europe's most significant weather hazards, affecting millions of people as well as infrastructure, agriculture, and energy systems. But what actually causes a heatwave? Why do some persist for days or even weeks? And how do meteorologists forecast them?
Pranke Island 
Mount Siple
Thurston Glacier
Hulbe Glacier
Nereson Glacier
Vornberger Glacier
Burtis Island
Cherry Island
Dart, Cape
Armour Peninsula
Lauff Island
Maher Island
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