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CHAPTER 1
WEATHER & WATER CONDITIONS
Before a boating outing check the weather conditions. As we all know
the weather can change rapidly in many parts of the country. It does
so sometimes without being predicted. NOAA weather radio reports
are continuously available on designated frequencies installed on VHF
radios and various handheld devices. Also, many local radio stations
carry weather reports.
Cloud Formations
Clouds indicate the type
of current weather and
upcoming changes in
the weather. Knowing
the type of cloud
formations can assist
you in choosing the
appropriate boating day
or if already on the water
will help you understand
any upcomingweather
changes
Flat clouds (stratus)
normally indicate stable
air. Cumulus clouds
indicate unstable air.
Many times a “cotton ball” or cumulus cloud builds vertical height in
the afternoon and the result is a thunderstorm with increased winds and
waves; sometimes these storms are quite violent. You can fi nd additional
information on weather (meteorology) at your local library.
20,000 Ft.
6,500 Ft.
HIGH CLOUDS
MIDDLE CLOUDS
LOW CLOUDS
catspaw
nibostratus
stratus
cumulus
stratocumulus
cumulonimbus
(thunderstorm)
cirrus
cirrostratus
cirrocumulus
altostratus
altocumulus
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