Weather

Severe thunderstorms cause island wide power outages

At 2:27 a.m., a severe thunderstorm was located 20 miles southwest of Kihei, moving northeast at 30 mph. At 3:12 a.m., another one was located near Kaupo, moving east at 35 mph. Radar indicates 60 mph wind gusts. Damage to roofs, siding and trees will be possible. Tornadoes and hail are also possible. Locations impacted include Kaupo, Huelo, Kipahulu, Nahiku, …

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Inbound Heavy Showers prompt Flash Flood Watch for Maui County

Heavy showers associated with an upper trough and cold front moving down the island chain could result in flash flooding Monday through Tuesday. Heavy rain could become widespread and cause streams to quickly overflow their banks, leading to life-threatening flash flooding. The National Weather Service has ISSUED a FLASH FLOOD WATCH for MAUI COUNTY, in effect from 6:00 a.m. Monday …

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More rain in the forecast as the work week begins

Stronger southerly winds and more rain are in the forecast as the work week begins. After light winds in the morning, expect stronger SW winds at 15-25 mph by the afternoon. Southerly winds will bring up moisture from the tropics, increasing humidity levels, and showers. While there will be some sunshine in the morning, increasing clouds and showers will move …

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NWS issue Flash Flood Warning for Maui

At 3:45 pm, a gage on Kahakuloa Stream reported a rapid rise in water levels which may result in an overflow onto Kahikili Highway at Kahakuloa. Heavy rainfall has been persistent over the West Maui Mountains and has also recently developed over the Haleakala Highway which will produce hazardous driving conditions. Locations in the warning include but are not limited …

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Increasing winds and possible heavy showers forecasted late this weekend

Strengthening trade winds will bring moisture over Hawaii from the east which will interact with an approaching upper-level trough from the north. Windward and mauka showers will increase in coverage as the moisture arrives overnight and Thursday. The upper trough will destabilize the atmosphere over us Thursday night or Friday allowing for locally heavy passing showers at times through the …

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Heavy rains Upcountry prompt Flood Advisory for Maui

At 1:47 PM, radar indicated heavy rain over Upcountry Maui from Haiku to Keokea. Rain rates were 1 to 2 inches per hour with the higher rates near Haiku and Haliimaile. The Upcountry rainfall is expected to continue through the afternoon hours. Locations in the advisory include but are not limited to Haliimaile, Pauwela, Kipahulu, Paia, Makawao, Keokea, Haiku-Pauwela, Huelo, …

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NWS issues a Coastal Flood Advisory for Maui County

The National Weather Service in Honolulu has issued a “Special Weather Statement” for “Coastal Flooding” for the County of Maui.  This includes Lanai, Molokai, and Maui. Coastal flooding associated with King tides will be a possibility the next couple of days. The greatest potential for coastal flooding impacts will be during the midday over the next couple of days, and in the mid …

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Hurricanes in Eastern Pacific could cross paths

Island Weather forecasters are keeping an eye on three storms in the Eastern Pacific. Greg has weakened to a tropical depression. Hurricane Irwin has gained strength. It is about 855 miles west-southwest of the southern tip of Baja California. Maximum sustained winds are near 90 mph with higher gusts. Gradual weakening is forecast during the next few days. It is …

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Pocket of heavy rain triggers Flood Advisory for Maui

At 2:31 PM, radar indicated heavy rain over the leeward slopes of Haleakala. The rain is nearly stationary. Rain was falling at a rate of 1 to 2 inches per hour. The National Weather Service in Honolulu has issued a Flood advisory for the island of Maui until 5:30 PM. Locations in the advisory include but are not limited to: …

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