Weather Alert in Hawaii
High Surf Warning issued February 7 at 3:50AM HST until February 7 at 6:00PM HST by NWS Honolulu HI
AREAS AFFECTED: Niihau; Kauai Southwest; Waianae Coast; Oahu North Shore; Maui Windward West; Kauai North; Molokai Windward; Molokai North; Molokai West; Maui Central Valley North; Windward Haleakala
DESCRIPTION: ...HIGH SURF WARNING FOR NORTH AND WEST FACING SHORES OF NIIHAU KAUAI OAHU AND MOLOKAI AND FOR NORTH FACING SHORES OF MAUI... ...HIGH SURF ADVISORY FOR WEST FACING SHORES OF THE BIG ISLAND... .A large west-northwest to northwest swell (295-315 degrees) will steadily decline today with surf heights dropping below warning thresholds later this afternoon. Along west facing shores of the Big Island, surf should steadily rise today and peak this afternoon and steadily decline tonight. * WHAT...Dangerously large breaking waves of 20 to 26 feet along north facing shores and 15 to 20 feet along west facing shores. * WHERE...Portions of Kauai, Maui, Molokai, Niihau and Oahu. * WHEN...Until 6 PM HST this evening. * IMPACTS...High. Expect very strong breaking waves and powerful currents. Waves breaking in channel entrances may make navigating the channels dangerous.
INSTRUCTION: Stay away from the shoreline along the affected coasts. Be prepared for road closures. Postpone entering or leaving channels affected by the high surf until the surf subsides.
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Weather Topic: What are Fractus Clouds?
Home - Education - Cloud Types - Fractus Clouds
Next Topic: Freezing Rain
A fractus cloud (scud) is a fragmented, tattered cloud which has
likely been sheared off of another cloud. They are accessory clouds, meaning they
develop from parent clouds, and are named in a way which describes the original
cloud which contained them.
Fractus clouds which have originated from cumulus clouds are referred to as
cumulus fractus, while fractus clouds which have originated from stratus clouds
are referred to as stratus fractus. Under certain conditions a fractus cloud might
merge with another cloud, or develop into a cumulus cloud, but usually a
fractus cloud seen by itself will dissipate rapidly.
They are often observed on the leading and trailing edges of storm clouds,
and are a display of wind activity.
Next Topic: Freezing Rain
Weather Topic: What is Graupel?
Home - Education - Precipitation - Graupel
Next Topic: Hail
Graupel is a form of precipitation that is created by atmospheric conditions
which cause supercooled water droplets to contact snow crystals and freeze to
their surface.
Sometimes known as soft hail or snow pellets, graupel is delicate and easily
destroyed by touch. Whereas hail usually falls during severe weather, graupel
doesn't require such conditions to form, and can form in mild precipitation
similar to situations which produce snowfall.
Next Topic: Hail
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