Weather Alerts-

Special Marine Warning

From Mon 9:41 am until 11:15 am HST

1 of 3

Action Recommended

Avoid the subject event as per the instructions

Issued By

Honolulu - HI, US, National Weather Service

Affected Area

Big Island Windward Waters

Description

The National Weather Service in Honolulu has issued a Special Marine Warning for... Alenuihaha Channel... Big Island Windward Waters... Maui County Windward Waters... Until 1115 AM HST. At 940 AM HST, severe thunderstorms capable of producing waterspouts were located east and southeast of Maui along a line extending from 22 nm east of FAD Buoy FF to 6 nm south of Hamoa, moving south at 10 knots. HAZARD...Waterspouts and wind gusts to 40 knots. SOURCE...Radar. IMPACT...Waterspouts can easily overturn boats and create locally hazardous seas. Small craft could be damaged in briefly higher winds and suddenly higher waves. Locations impacted include... FAD Buoy M and FAD Buoy Nl. PRECAUTIONARY/PREPAREDNESS ACTIONS... Prepare for gusty winds, steep and fast-building seas, and blinding downpours. Stay low or go below, and make sure all on board are wearing life jackets. Thunderstorms can produce sudden waterspouts. Waterspouts can easily overturn boats and create locally hazardous seas. Seek safe harbor immediately. Frequent lightning is occurring with these storms. If caught on the open water, stay below deck if possible. WATERSPOUT...POSSIBLE; HAIL...0.00IN; WIND...40KTS

Flood Advisory

From Mon 9:59 am until 1:00 pm HST

2 of 3

Action Recommended

Avoid the subject event as per the instructions

Issued By

Honolulu - HI, US, National Weather Service

Affected Area

The island of Hawaii in Hawaii County

Description

...FLOOD ADVISORY IN EFFECT UNTIL 1 PM HST THIS AFTERNOON FOR THE ISLAND OF HAWAII IN HAWAII COUNTY... WHAT...Flooding caused by excessive rainfall. WHERE...The island of Hawaii in Hawaii County. WHEN...Until 100 PM HST. IMPACTS...Minor flooding on roads, poor drainage areas, and in streams. Ponding of water in urban or other areas is occurring or is imminent. ADDITIONAL DETAILS... - At 957 AM HST, radar indicated heavy rain over Kona and Kohala areas. Rain was falling at a rate of 1 to 2 inches per hour. - Some locations that will experience flooding include... Kailua-Kona, Captain Cook, Waikoloa Village, Kapaau, Puuanahulu, Puako, Kalaoa, Holualoa, Kawaihae, Honalo, Kamuela, Kahaluu-Keauhou, Kohala Ranch, Kainaliu, Kealakekua, Honaunau, Waimanu Valley, Waipio Valley, Pololu Valley and Kukuihaele. PRECAUTIONARY/PREPAREDNESS ACTIONS... Stay away from streams, drainage ditches and low lying areas prone to flooding. A Flood Watch is also in effect for Big Island until 6pm HST today. This advisory may need to be extended beyond 100 PM HST if flooding; persists.

Flood Watch

Until Mon 6:00 pm HST

3 of 3

Action Recommended

Avoid the subject event as per the instructions

Issued By

Honolulu - HI, US, National Weather Service

Affected Area

The Big Island

Description

WHAT...Flash flooding caused by excessive rainfall continues to be possible. WHERE...The Big Island. WHEN...Through this afternoon. IMPACTS...Flood prone roads and other low lying areas may be closed due to elevated runoff and overflowing streams due to excessive rain over saturated ground. Urban areas may receive more significant flooding and property damage due to rapid runoff. ADDITIONAL DETAILS... - Unstable tropical moisture left from the departing kona low and troughing aloft will bring possible heavy rain and isolated thunderstorms through the afternoon hours. A large band of thunderstorms continues to approach the Big Island from the west-southwest direction, which may produce another round of heavy rainfall later today. PRECAUTIONARY/PREPAREDNESS ACTIONS... You should monitor later forecasts and be prepared to take action should Flash Flood Warnings be issued.

More Information

...FLOOD WATCH IN EFFECT THROUGH THIS AFTERNOON FOR THE BIG ISLAND OF HAWAII...

Radar

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