Weather Alert in Hawaii
Flood Advisory issued February 8 at 3:03PM HST until February 8 at 6:00PM HST by NWS Honolulu HI
AREAS AFFECTED: Hawaii in Hawaii, HI
DESCRIPTION: * WHAT...Flooding caused by excessive rainfall. * WHERE...The island of Hawaii in Hawaii County. * WHEN...Until 600 PM HST. * IMPACTS...Minor flooding on roads, poor drainage areas, and in streams. Some low-water crossings may become impassable. * ADDITIONAL DETAILS... - At 257 PM HST, radar indicated heavy rain over portions of the coastal and upslope areas of the Hamakua and Hilo districts. The heaviest rain was falling at a rate of 1 to 2 inches per hour, mainly between Hawi and Laupahoehoe. This could result in flooding in stream channels and along portions of Highway 19. - Some locations that will experience flooding include... Kapaau, Honokaa, Paauilo, Kukuihaele, Waipio Valley, Kamuela, Waimanu Valley, Ookala, Laupahoehoe, Pololu Valley, Ninole, Kohala Ranch, Halaula, Hakalau, Honomu, Hawi, Pepeekeo, Papaikou, Mahukona and Paukaa.
INSTRUCTION: Stay away from streams, drainage ditches and low lying areas prone to flooding. A Flood Watch is also in effect until 6 PM HST Monday.
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Weather Topic: What are Contrails?
Home - Education - Cloud Types - Contrails
Next Topic: Cumulonimbus Clouds
A contrail is an artificial cloud, created by the passing of an
aircraft.
Contrails form because water vapor in the exhaust of aircraft engines is suspended
in the air under certain temperatures and humidity conditions. These contrails
are called exhaust contrails.
Another type of contrail can form due to a temporary reduction in air pressure
moving over the plane's surface, causing condensation.
These are called aerodynamic contrails.
When you can see your breath on a cold day, it is also because of condensation.
The reason contrails last longer than the condensation from your breath is
because the water in contrails freezes into ice particles.
Next Topic: Cumulonimbus Clouds
Weather Topic: What are Cumulus Clouds?
Home - Education - Cloud Types - Cumulus Clouds
Next Topic: Drizzle
Cumulus clouds are fluffy and textured with rounded tops, and
may have flat bottoms. The border of a cumulus cloud
is clearly defined, and can have the appearance of cotton or cauliflower.
Cumulus clouds form at low altitudes (rarely above 2 km) but can grow very tall,
becoming cumulus congestus and possibly the even taller cumulonimbus clouds.
When cumulus clouds become taller, they have a greater chance of producing precipitation.
Next Topic: Drizzle
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