Hawaii County, Hawaii
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Watch/Warnings
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The National Weather Service's Watches, Warnings and Advisories by state counties include: Thunderstorm, Tornado, Flood, Flash Flood, Winter Storm, High Wind, Gale, Small Aircraft, High Surf, Marine, Heat, Air Quality, Ashfall, Hazardous, and Special Statements.
Weather Alerts: Hawaii County, Hawaii
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Flash Flood Watch
HIZ001>027-210245-
/O.CON.PHFO.FF.A.0011.000000T0000Z-180421T0400Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Niihau-Kauai Windward-Kauai Leeward-Kauai Mountains-
Oahu South Shore-Waianae Coast-Oahu North Shore-Oahu Koolau-
Olomana-Central Oahu-Waianae Mountains-Molokai Windward-
Molokai Leeward-Lanai Makai-Lanai Mauka-Kahoolawe-
Maui Windward West-Maui Leeward West-Maui Central Valley-
Windward Haleakala-Leeward Haleakala-Haleakala Summit-Kona-
South Big Island-Big Island North and East-Kohala-
Big Island Interior-
331 AM HST Fri Apr 20 2018

...FLASH FLOOD WATCH REMAINS IN EFFECT THROUGH THIS AFTERNOON...

The Flash Flood Watch continues for

* the entire state of Hawaii.

* Through this afternoon

* The remnants of an old front lingering across the state, in
combination with an upper level trough moving overhead, will
continue the threat for heavy rainfall and flash flooding.

* Rapidly rising water levels may occur on area streams and
significant flooding may occur in low lying and poor drainage
areas.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Flash Flood Watch means that conditions may develop that lead
to flash flooding. Flash flooding is very dangerous. Monitor the
forecast and be prepared to take action if you see rising water
or if Flash Flood Warnings are issued.

&&

$$
Winter Storm Warning
HIZ028-210245-
/O.EXT.PHFO.WS.W.0003.000000T0000Z-180421T1600Z/
Big Island Summits-
331 AM HST Fri Apr 20 2018

...WINTER STORM WARNING NOW IN EFFECT UNTIL 6 AM HST SATURDAY...

* WHAT...Heavy snow occurring. Plan on difficult travel
conditions. Additional snow accumulations of 4 to 6 inches are
expected.

* WHERE...Big Island Summits.

* WHEN...Until 6 AM Saturday.

* ADDITIONAL DETAILS...Be prepared for significant reductions in
visibility at times.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Winter Storm Warning for snow means severe winter weather
conditions are occurring. Strong winds are also possible. This
will make travel very hazardous or impossible.

$$
National Weather Service

Providing "weather, water cycle, and climate forecasts and warnings for the United States, its territories, adjacent waters and ocean areas, for the protection of life and property and the enhancement of the national economy."
Weather Alerts by Type
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Additional Severe Weather Maps
Severe Outlook Today
Severe Outlook Today
WSI's Severe Outlook Map displays current Watches, Warnings and Advisories via County Fill colors.
Severe Outlook Tomorrow
Severe Outlook Tomorrow
WSI's Severe Outlook Forecast Map displaying projected Watches, Warnings and Advisories.
THUNDERcast
THUNDERcast
The THUNDERcast map shows areas of probability for regional or national thunderstorms for the current day.
1Km Storm Watch
1Km Storm Watch
The 1Km map allows you to view 1 kilometer (km) resolution radar imagery both nationally and regionally.
Metro Storm Watch
Metro Storm Watch
The Metro map allows you to view 1 kilometer (km) resolution radar imagery.
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