Catastrophic Flooding Persists in Hawaii; Upcoming Pattern Shift to Bring Heavy Mountain Snow to the West
A Kona Low is pulling in deep tropical moisture across the Hawaiian Islands, and producing heavy rain with significant flooding and potential for landslides. Two powerful Gulf of Alaska storms will produce areas of heavy snow and gusty winds, including a broad area of blizzard conditions across southeastern Alaska. These Alaska storms will shift to the western U.S. with heavy mountain snow.
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Hazardous Weather Conditions
For More Weather Information:
This
Afternoon
ESE 16kt
< 1ftTonight
E 12kt
< 1ftWednesday
E 17kt
< 1ftWednesday
Night
E 20kt
< 1ftThursday
E 18kt
< 1ftThursday
Night
E 17kt
< 1ftFriday
E 16kt
< 1ftFriday
Night
E 16kt
< 1ftSaturday
E 16kt
< 1ft
High and low forecast temperature values represent air temperature.
Associated Zone Forecast which includes this point
Last Update: 6:00 am HST Dec 7, 2021
Forecast Valid: 3pm HST Dec 7, 2021-6pm HST Dec 13, 2021
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Detailed Forecast
...SMALL CRAFT ADVISORY IN EFFECT THROUGH EARLY THURSDAY
Synopsis: PHZ100-080800-
929 AM HST Tue Dec 7 2021
.Synopsis for Hawaiian coastal waters...
A convergent band over the central and western waters will
continue to produce locally heavy showers and isolated
thunderstorms through tonight. High pressure will build in north
of the area beginning Wednesday with trade wind weather making a
return.
$$
This Afternoon
ESE wind around 16 kt, with gusts as high as 22 kt. Scattered showers. . Waves 1 ft or less.
Tonight
E wind around 12 kt. Scattered showers. . Waves 1 ft or less.
Wednesday
E wind around 17 kt, with gusts as high as 24 kt. Scattered showers, mainly before noon. . Waves 1 ft or less.
Wednesday Night
E wind 15 to 20 kt, with gusts as high as 28 kt. Scattered showers. . Waves 1 ft or less.
Thursday
E wind around 18 kt, with gusts as high as 25 kt. Scattered showers. . Waves 1 ft or less.
Thursday Night
E wind 15 to 17 kt, with gusts as high as 23 kt. Scattered showers. . Waves 1 ft or less.
Friday
E wind around 16 kt, with gusts as high as 22 kt. Scattered showers, mainly before noon. . Waves 1 ft or less.
Friday Night
E wind 14 to 16 kt, with gusts as high as 22 kt. Scattered showers. . Waves 1 ft or less.
Saturday
E wind 14 to 16 kt, with gusts as high as 22 kt. Scattered showers. . Waves 1 ft or less.
*Notices:
- This forecast is for a single location. For safety concerns, mariners should be aware of the weather over a larger area. Forecast information for a larger area can be found within the zone forecast and the NDFD graphics.
- The forecast conditions at a particular point may not exceed the criteria of a Small Craft Advisory, Gale, Storm etc. These watches/warnings/advisories are issued for the entire zone in which the point resides and mariners should act accordingly.
Additional Forecasts and Information
ABOUT THIS FORECAST
| Point Forecast: | 20.71°N 156°W |
| Last Update: | 6:00 am HST Dec 7, 2021 |
| Forecast Valid: | 3pm HST Dec 7, 2021-6pm HST Dec 13, 2021 |
| Forecast Discussion | |
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RADAR & SATELLITE IMAGES
