Weather Alert in Hawaii

Recent Locations: Tampa, FL   Santa Ana, CA   Honolulu, HI  
Current Alerts for Honolulu, HI: Flood Watch

High Surf Advisory issued February 22 at 3:02PM 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 FROM NOON MONDAY THROUGH TUESDAY AFTERNOON... ...HIGH SURF ADVISORY FOR WEST FACING SHORES OF MOLOKAI MAUI AND BIG ISLAND AND FOR NORTH FACING SHORES OF LANAI MONDAY NIGHT THROUGH TUESDAY... .A long period north-northeast swell will build on Monday and peak Monday night and Tuesday. This large swell from 010 to 030 degrees will produce much larger than normal surf across some coastlines, especially in windward areas. The swell will gradually decline Tuesday night through Friday. * WHAT...Along west facing shores of the Big Island in the Kohala Districts, surf building to 6 to 10 feet Monday night and Tuesday. Along west facing shores of Maui, surf building to 8 to 15 feet Monday night and Tuesday. Along west facing shores of Molokai and north facing shores of Lanai, surf building to 10 to 16 feet Monday night and Tuesday. * WHERE...West facing shores of Molokai, Maui, and Big Island and for north facing shores of Lanai. * WHEN...From 6 PM Monday to 6 PM HST Tuesday. * 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 is Condensation?

Home - Education - Precipitation - Condensation

Condensation Next Topic: Contrails

Condensation is the process which creates clouds, and therefore it is a crucial process in the water cycle. Condensation is the change of matter from a state of gas into a state of liquid, and it happens because water molecules release heat into the atmosphere and become organized into a more closely packed structure, what we might see as water droplets.

Water is always present in the air around us as a vapor, but it's too small for us to see. When water undergoes the process of condensation it becomes organized into visible water droplets. You've probably seen condensation happen before on the surface of a cold drink!

Next Topic: Contrails

Weather Topic: What are Cumulonimbus Clouds?

Home - Education - Cloud Types - Cumulonimbus Clouds

Cumulonimbus Clouds Next Topic: Cumulus Clouds

The final form taken by a growing cumulus cloud is the cumulonimbus cloud, which is very tall and dense. The tower of a cumulonimbus cloud can soar 23 km into the atmosphere, although most commonly they stop growing at an altitude of 6 km.

Even small cumulonimbus clouds appear very large in comparison to other cloud types. They can signal the approach of stormy weather, such as thunderstorms or blizzards.

Next Topic: Cumulus Clouds

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