Weather Alert in Hawaii
High Surf Warning issued February 6 at 3:36PM HST until February 7 at 6:00PM HST by NWS Honolulu HI
AREAS AFFECTED: Niihau; Kauai Southwest; Waianae Coast; Oahu North Shore; Kauai North; Molokai Windward; Molokai North; Molokai West
DESCRIPTION: ...HIGH SURF WARNING FOR NORTH AND WEST FACING SHORES OF NIIHAU KAUAI OAHU AND MOLOKAI AND FOR NORTH FACING SHORES OF MAUI THROUGH 6 PM HST SATURDAY... ...HIGH SURF ADVISORY FOR WEST FACING SHORES OF THE BIG ISLAND FROM 6 AM HST SATURDAY THROUGH 6 PM HST SATURDAY... .A large west-northwest to northwest swell (295-315 degrees) will build down the island chain through the evening and peak late tonight into early Saturday. The swell will decline sharply Saturday afternoon and evening, with surf expected to fall below headline levels by Sunday morning. * WHAT...Along north facing shores of Niihau, Kauai, Oahu, and Molokai, surf building to 20 to 30 feet tonight and continuing into early Saturday. Along west facing shores of Niihau, Kauai, Oahu, and Molokai, surf building to 15 to 22 feet tonight and continuing into Saturday. * WHERE...North and west facing shores of Niihau, Kauai, Oahu, and Molokai. * WHEN...Until 6 PM HST Saturday. * 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 Nimbostratus Clouds?
Home - Education - Cloud Types - Nimbostratus Clouds
Next Topic: Precipitation
A nimbostratus cloud is similar to a stratus cloud in its formless,
smooth appearance. However, a nimbostratus cloud is darker than a stratus cloud,
because it is thicker.
Unlike a stratus cloud, a nimbostratus cloud typically brings with it the threat
of moderate to heavy precipitation. In some cases, the precipitation may evaporate
before reaching the ground, a phenomenon known as virga.
Next Topic: Precipitation
Weather Topic: What is Rain?
Home - Education - Precipitation - Rain
Next Topic: Shelf Clouds
Precipitation in the form of water droplets is called rain.
Rain generally has a tendency to fall with less intensity over a greater period
of time, and when rainfall is more severe it is usually less sustained.
Rain is the most common form of precipitation and happens with greater frequency
depending on the season and regional influences. Cities have been shown to have
an observable effect on rainfall, due to an effect called the urban heat island.
Compared to upwind, monthly rainfall between twenty and forty miles downwind of
cities is 30% greater.
Next Topic: Shelf Clouds
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