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The rain build in intensity as the afternoon wears on. Some of
these thunderstorms can be very intense, often generating high winds
(sometimes as much as 70 mph/110 kph) and flash flooding in the
arroyos.
If the thunderstorms begin early enough, wave after wave of
thunderstorms may arrive, each thunderstorm created from hot moisture
from areas of the desert floor which are not cloud-covered. As these
thunderstorms are highly localized (only a few square miles in size),
there are always desert locations nearby which continue to be heated
by the hot sun in order to maintain the formation of more storms
throughout the day. |
