Weather Alert in Hawaii
Flood Advisory issued February 7 at 3:23PM HST until February 7 at 5:30PM HST by NWS Honolulu HI
AREAS AFFECTED: Hawaii in Hawaii, HI
DESCRIPTION: * WHAT...Flooding caused by excessive rainfall continues. * WHERE...The island of Hawaii in Hawaii County. * WHEN...Until 530 PM HST. * IMPACTS...Minor flooding on roads, poor drainage areas, and in streams. * ADDITIONAL DETAILS... - At 323 PM HST, radar indicated heavy rain over the North Kohala District of the Big Island. Rain rates have decreased to around 1 inch per hour. The heaviest rain is still falling in Waipio Valley. - Some locations that will experience flooding include... Kapaau, Pololu Valley, Waimanu Valley, Waipio Valley, Halaula, Kohala Ranch, Kamuela, Kukuihaele and Hawi.
INSTRUCTION: Stay away from streams, drainage ditches and low lying areas prone to flooding. A Flood Watch is also in effect for all Hawaiian Islands through Monday afternoon.
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Weather Topic: What is Sleet?
Home - Education - Precipitation - Sleet
Next Topic: Snow
Sleet is a form of precipitation in which small ice pellets are the primary
components. These ice pellets are smaller and more translucent than hailstones,
and harder than graupel. Sleet is caused by specific atmospheric conditions and
therefore typically doesn't last for extended periods of time.
The condition which leads to sleet formation requires a warmer body of air to be
wedged in between two sub-freezing bodies of air. When snow falls through a warmer
layer of air it melts, and as it falls through the next sub-freezing body of air
it freezes again, forming ice pellets known as sleet. In some cases, water
droplets don't have time to freeze before reaching the surface and the result is
freezing rain.
Next Topic: Snow
Weather Topic: What are Stratocumulus Clouds?
Home - Education - Cloud Types - Stratocumulus Clouds
Next Topic: Stratus Clouds
Stratocumulus clouds are similar to altocumulus clouds in their
fluffy appearance, but have a slightly darker shade due to their additional mass.
A good way to distinguish the two cloud types is to hold your hand out and measure
the size of an individual cloud; if it is the size of your thumb it is generally
an altocumulus cloud, if it is the size of your hand it is generally a
stratocumulus cloud.
It is uncommon for stratocumulus clouds to produce precipitation, but if they do
it is usually a light rain or snow.
Next Topic: Stratus Clouds
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