Weather Alert in Hawaii
High Surf Advisory issued February 7 at 3:35PM HST until February 8 at 6:00AM 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 ADVISORY FOR NORTH AND WEST FACING SHORES OF NIIHAU KAUAI OAHU AND MOLOKAI FOR NORTH FACING SHORES OF MAUI AND FOR WEST FACING SHORES OF THE BIG ISLAND THROUGH TONIGHT... .A large west-northwest to northwest swell (295-315 degrees) will decline tonight, with surf dropping below advisory thresholds Sunday morning. * WHAT...Surf of 10 to 16 feet along north facing shores of Niihau, Kauai, Oahu, Molokai, and Maui. Surf of 7 to 12 feet along west facing shores of Niihau, Kauai, Oahu, and Molokai. * WHERE...Portions of Kauai, Maui, Molokai, Niihau and Oahu. * WHEN...Until 6 AM HST Sunday. * IMPACTS...Moderate. Strong breaking waves and strong currents will make swimming dangerous.
INSTRUCTION: Heed all advice from ocean safety officials. When in doubt, don't go out.
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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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