Dark city surfaces like roofs and roads absorb and radiate heat, leaving cities up to 3 °C
hotter than surrounding areas.
On average, a city with at least a million residents can be 1 to 3 degrees C
hotter than surrounding areas.
Cities may be as much as 12 degrees C
hotter than surrounding areas in the evening hours, because cities release built - up heat back out among buildings and avenues.
Not exact matches
Frank said the study focused on urban
areas because the infrastructure in cities causes them to be a few degrees
hotter than surrounding rural
areas.
Here's a potential jolt to urbanites: Some big cities, particularly those located in
hot and humid environments, actually birth more thunderstorms
than surrounding rural
areas.
According to the U.S. Environmental Protection Agency, urban
areas regularly record air temperatures as much as 6 ° Celsius (10 ° Fahrenheit)
hotter than the
surrounding suburban and rural
areas.
A new study of the effect of land use changes on surface temperatures demonstrates what anyone who lives in a city intuitively knows: Urban
areas are
hotter than the
surrounding countryside — the heat island effect has been