Weather Alerts for Happy Valley, Wailuku, Hawaii - The Weather Channel | Weather.com
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Weather Alerts-

High Severity Alert

Flash Flood Warning

Until Sat 11:00 am HST

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1 of 6

Action Recommended

Avoid the subject event as per the instructions

Issued By

Honolulu - HI, US, National Weather Service

Affected Area

Maui County

Description

The National Weather Service in Honolulu has extended the Flash Flood Warning for... The island of Maui in Maui County Until 1100 AM HST. At 700 AM HST, radar indicated moderate rain over the island of Maui. Stream levels remain elevated, and although there is a temporary decrease in rainfall, more heavy rain can be observed to the southwest approaching the island. The heaviest rain was falling over the south-facing slopes of Mount Haleakala between Makena and Hamoa. Additionally, Emergency Management has reported several roads closed across the island due to flooding. HAZARD...Flash flooding caused by heavy rain. SOURCE...Radar. IMPACT...Flooding in drainages, streams, rivers, roads, properties, and other low-lying areas. Public road closures possible in some areas. Landslides are possible in steep terrain. Some locations that will experience flash flooding include... The entire island of Maui. PRECAUTIONARY/PREPAREDNESS ACTIONS... Stay away from streams, rivers, drainage ditches, and culverts, even if they are currently dry. Do not cross fast flowing or rising water in your vehicle, or on foot. Turn around, don't drown. The heavy rains may cause rock and mudslides in steep terrain areas. This warning may need to be extended beyond 1100 AM HST if flooding; persists.; FLASH FLOOD...RADAR INDICATED
High Severity Alert

Flash Flood Warning

Until Sat 11:00 am HST

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2 of 6

Action Recommended

Avoid the subject event as per the instructions

Issued By

Honolulu - HI, US, National Weather Service

Affected Area

Maui County

Description

The National Weather Service in Honolulu has extended the Flash Flood Warning for... The island of Molokai in Maui County Until 1100 AM HST. At 705 AM HST, radar indicated moderate rain over Molokai, with rain falling at a rate of half an inch per hour. Although rainfall rates remain low, Emergency Management reported that high water continues to flow over Kamehameha Highway near mile marker 6, and that it is currently closed to vehicular traffic. Additional rain is expected to move in from the southwest HAZARD...Flash flooding caused by heavy rain. SOURCE...Radar. IMPACT...Flooding in drainages, streams, rivers, roads, properties, and other low-lying areas. Public road closures possible in some areas. Landslides are possible in steep terrain. Some locations that will experience flash flooding include... The entire island of Molokai. PRECAUTIONARY/PREPAREDNESS ACTIONS... Stay away from streams, rivers, drainage ditches, and culverts, even if they are currently dry. Do not cross fast flowing or rising water in your vehicle, or on foot. Turn around, don't drown. The heavy rains may cause rock and mudslides in steep terrain areas. This warning may need to be extended beyond 1100 AM HST if flooding; persists.; FLASH FLOOD...RADAR INDICATED
High Severity Alert

High Wind Warning

Until Sun 6:00 am HST

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3 of 6

Action Recommended

Make preparations per the instructions

Issued By

Honolulu - HI, US, National Weather Service

Affected Area

Kauai County, Oahu and Maui County

Description

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 6 AM HST SUNDAY KAUAI COUNTY, OAHU, MAUI COUNTY... WHAT...Southwest winds 25 to 40 mph with gusts up to 60 mph. WHERE...Kauai County, Oahu and Maui County. WHEN...Until 6 AM HST Sunday. IMPACTS...Damaging winds may blow down trees and power lines and damage roofs. Power outages are possible. Travel will be difficult, especially for high profile vehicles. PRECAUTIONARY/PREPAREDNESS ACTIONS... Strong winds may lead to property damage. Hazardous driving conditions due to powerful cross winds will pose a serious risk for drivers, especially for light weight and high profile vehicles. Loose outdoor items should be brought inside or secured properly. Motorists, especially those in high profile vehicles, are urged to drive with extreme caution.
Moderate Severity Alert

Gale Warning

Until Sun 6:00 am HST

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4 of 6

Action Recommended

Avoid the subject event as per the instructions

Issued By

Honolulu - HI, US, National Weather Service

Affected Area

Oahu Windward Waters, Kaiwi Channel, Maui County Windward Waters, Maui County Leeward Waters, Maalaea Bay, Pailolo Channel and Alenuihaha Channel

Description

...GALE WARNING REMAINS IN EFFECT UNTIL 6 AM HST SUNDAY... ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 6 AM TO 6 PM HST SUNDAY... WHAT...For the Gale Warning, southwest winds 20 to 30 kt with gusts up to 45 kt and seas 11 to 16 feet. For the Small Craft Advisory, southwest winds 15 to 20 kt with gusts up to 30 kt and seas 6 to 11 feet expected. WHERE...Oahu Windward Waters, Kaiwi Channel, Maui County Windward Waters, Maui County Leeward Waters, Maalaea Bay, Pailolo Channel and Alenuihaha Channel. WHEN...For the Gale Warning, until 6 AM HST Sunday. For the Small Craft Advisory, from 6 AM to 6 PM HST Sunday. IMPACTS...Strong winds will cause hazardous seas which could capsize or damage vessels. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Gale Warning means winds of 34 to 47 knots are imminent or occurring. Operating a vessel in gale conditions requires experience and properly equipped vessels. It is highly recommended that mariners without the proper experience seek safe harbor prior to the onset of gale conditions.
Moderate Severity Alert

Flood Watch

Until Mon 6:00 am HST

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5 of 6

Action Recommended

Avoid the subject event as per the instructions

Issued By

Honolulu - HI, US, National Weather Service

Affected Area

Maui, Molokai, Lanai, and Kahoolawe

Description

WHAT...Flash flooding caused by excessive rainfall is possible. WHERE...Maui, Molokai, Lanai, and Kahoolawe. WHEN...Through late Sunday night. IMPACTS...Significant flooding may occur due to the overflow of streams and drainages. Roads in several areas may be closed, along with property damage in urban or low lying spots due to runoff. Landslides may also occur in areas with steep terrain. ADDITIONAL DETAILS... - Considerable flash flooding is possible as a large and powerful kona storm northwest of the state draws deep tropical moisture across the islands. Persistent bands of heavy rain and thunderstorms may produce intense rainfall rates, leading to rapid rises in streams and flooding of roads and low lying areas. PRECAUTIONARY/PREPAREDNESS ACTIONS... You should monitor later forecasts and be prepared to take action should Flash Flood Warnings be issued.

More Information

...FLOOD WATCH FOR KAUAI THROUGH THIS AFTERNOON... ...FLOOD WATCH FOR OAHU THROUGH TONIGHT... ...FLOOD WATCH FOR MAUI COUNTY AND THE BIG ISLAND THROUGH SUNDAY NIGHT...
Low Severity Alert

Small Craft Advisory

From Sun 6:00 am until 6:00 pm HST

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6 of 6

Action Recommended

Avoid the subject event as per the instructions

Issued By

Honolulu - HI, US, National Weather Service

Affected Area

Oahu Windward Waters, Kaiwi Channel, Maui County Windward Waters, Maui County Leeward Waters, Maalaea Bay, Pailolo Channel and Alenuihaha Channel

Description

...GALE WARNING REMAINS IN EFFECT UNTIL 6 AM HST SUNDAY... ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 6 AM TO 6 PM HST SUNDAY... WHAT...For the Gale Warning, southwest winds 20 to 30 kt with gusts up to 45 kt and seas 11 to 16 feet. For the Small Craft Advisory, southwest winds 15 to 20 kt with gusts up to 30 kt and seas 6 to 11 feet expected. WHERE...Oahu Windward Waters, Kaiwi Channel, Maui County Windward Waters, Maui County Leeward Waters, Maalaea Bay, Pailolo Channel and Alenuihaha Channel. WHEN...For the Gale Warning, until 6 AM HST Sunday. For the Small Craft Advisory, from 6 AM to 6 PM HST Sunday. IMPACTS...Strong winds will cause hazardous seas which could capsize or damage vessels. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Gale Warning means winds of 34 to 47 knots are imminent or occurring. Operating a vessel in gale conditions requires experience and properly equipped vessels. It is highly recommended that mariners without the proper experience seek safe harbor prior to the onset of gale conditions.
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