Weather Alert in Hawaii
High Surf Advisory issued February 24 at 3:21AM HST until February 24 at 6:00PM HST by NWS Honolulu HI
AREAS AFFECTED: Maui Leeward West; Kohala; Molokai West; Lanai Windward
DESCRIPTION: ...HIGH SURF WARNING FOR NORTH AND EAST FACING SHORES OF NIIHAU KAUAI OAHU MOLOKAI MAUI AND BIG ISLAND THROUGH THIS AFTERNOON... ...HIGH SURF ADVISORY FOR WEST FACING SHORES OF MOLOKAI MAUI AND BIG ISLAND AND FOR NORTH FACING SHORES OF LANAI THROUGH THIS AFTERNOON... .A long period north-northeast (010-030 degrees) has peaked overnight and will hold through the morning hours, producing much larger than normal surf across some coastlines, especially in windward areas. The swell will gradually decline late this afternoon through Friday. * WHAT...Along west facing shores of the Big Island in the Kohala Districts, surf peaking at 7 to 10 feet before declining late this afternoon. Along west facing shores of Maui, surf peaking at 12 to 16 feet. Along west facing shores of Molokai and north facing shores of Lanai, surf peaking at 12 to 16 feet this morning before slowly declining late this afternoon. * WHERE...West facing shores of Molokai, Maui, and Big Island and for north facing shores of Lanai. * WHEN...Until 6 PM HST this evening. * 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 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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