Exceptional heatwave in Phoenix, Arizona, United States, throughout July 2023

Sentinel-3 SLSTR LST acquired on 01 July 2023 at 17:50:51 UTC
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Sentinel-2 MSI acquired on 26 July 2023 at 18:09:21 UTC
Sentinel-3 SLSTR LST acquired on 31 July 2023 at 17:11:14 UTC
Author(s): Sentinel Vision team, VisioTerra, France - svp@visioterra.fr
Keyword(s): Climate change, heatwave, land cover, United States, USA
Fig. 1 - COP-DEM - The city of Phoenix is located in Arizona, southwest of USA, in the Sonoran Desert
2D view
Fig. 2 - S2 (26.07.2023) - Phoenix experienced the whole of July 2023 with an average daily temperature (combining night and day) above 43°C.
2D view
Fig. 3 - S2 (26.07.2023) - Red band: NDWI-SM, Green band: NDVI, Blue band: NDWI-OW.
2D view
This colour composite shows an approximate Land Cover. Natural vegetation and irrigated cropland are mostly located near watercourses.
Fig. 4 - S3 SLSTR (01->31.07.2023) - Mean of morning soil surface temperature, only cloudless days have been kept.
2D view
Elevation, open water & vegetated areas show as colder spots, as opposed to bare soil which encompass the hottest areas. Crossing the desert, the Gila river displays a low discharge volume, limiting its ability to sustain irrigated vegetation which act as mildness oases.
The views expressed herein can in no way be taken to reflect the official opinion of the European Space Agency or the European Union.
Contains modified Copernicus Sentinel data 2025, processed by VisioTerra.
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