HONOLULU (HawaiiNewsNow) - UPDATE 8:00 p.m. SUNDAY:
While rain continues to fall over parts of the state, the heavier rains have diminished, and the National Weather Service has cancelled the flood advisories that were posted for Oahu and Molokai.
UPDATE 6:00 p.m. SUNDAY:
The National Weather Service in Honolulu has issued a Flood Advisory for Molokai until 8 p.m.
Forecasters said at 5:06 p.m., radar showed heavy rain and thundershowers moving over western and central Molokai.
While individual showers were moving toward the northeast at 20 miles per hour, the line of showers is moving east at ten miles per hour.
Rainfall rates near two inches per hour can be expected in the heaviest rain.
Other locations in the advisory include but are not limited to Maunaloa, Molokai Airport, Kualapuu, Kepuhi, Kalaupapa and Hoolehua.
UPDATE 4:45 p.m. SUNDAY:
The National Weather Service in Honolulu has extended the Flood Advisory for Oahu until 7:45 p.m.
Forecasters said at 4:30 p.m., radar showed light to moderate rain over nearly all of Oahu.
Heavy rainfall is no longer occurring nor expected, but stream levels remain elevated after two to three inches of rainfall. Ponding of water also continues along area roadways.
UPDATE 1:45 p.m. SUNDAY:
The Flood Advisory for Oahu has been extended again, until 4:45 p.m.
The National Weather Service said at 1:36 p.m., radar showed light to moderate rain over most of Oahu. Some areas had no rainfall at all. However, ponding of water is present along area roadways, and radar shows more rain approaching Oahu from the south.
The advisory covers the entire island of Oahu. It may be extended if heavy rain persists.
A Flash Flood Watch also remains in effect for Oahu until 6 p.m.
UPDATE 10:45 a.m. SUNDAY:
The National Weather Service in Honolulu has extended the Flood Advisory for the island of Oahu until 1:45 p.m.
At 10:20 a.m., radar showed clusters of heavy showers and thundershowers moving rapidly from north to south across the island of Oahu, with additional showers offshore. Rainfall rates of 2 to 3 inches per hour will occur with the heaviest rain.
This Flood Advisory covers the entire island of Oahu. This advisory may need to be extended beyond 1:45 p.m. or upgraded to a warning, if Heavy Rain persists.
UPDATE 9:05 a.m. SUNDAY:
A Flash Flood Watch for Niihau and Kauai has been canceled. The National Weather Service says the a band of heavy rain has moved east of Kauai County.
UPDATE 8:40 a.m. SUNDAY:
Severe Thunderstorm Watch for Honolulu County is canceled. Oahu Flood Advisory continues.
UPDATE 7:45 a.m. SUNDAY:
Severe Thunderstorm Watch remains valid until noon today for Oahu.
A Severe Thunderstorm Watch means conditions are favorable for severe thunderstorms in and close to the watch area. Persons in these areas should be on the lookout for threatening weather conditions and listen for later statements and possible warnings.
Severe thunderstorms produce damaging winds of 58 mph or higher. Or destructive hail the size of quarters or larger.
The National Weather Service has also issued a Flood Advisory for the Oahu until 10:45 am.
At 7:36 a.m. radar showed pockets of heavy showers moving rapidly from north to south across the island of Oahu, with additional Heavy showers and thunderstorms approaching.
Rainfall rates of 1 to 2 inches per hour will occur with the heaviest rain.
This Flood Advisory covers the entire island of Oahu. This advisory may need to be extended beyond 10:45 a.m., or upgraded to a warning, if Heavy Rain persists.
UPDATE 7:00 a.m. SUNDAY:
The National Weather Service in Honolulu has issued a Flash Flood Warning for Kauai County until 9:15 a.m.
At 5:54 a.m., county officials report the road near the Hanalei River Bridge remains closed due to flooding from previous heavy rains. Although rainfall has tapered off over the remainder of the island, water levels in some streams remain elevated.
Other locations in the warning include but are not limited to Haena, Wainiha, and the Na Pali State Park. This Flash Flood Warning replaces the Pre-existing warning that was in effect for the island of Kauai in Kauai County. This warning may need to be extended beyond 9:15 am HST if Flash Flooding persists.
A Flash Flood Warning means that flash flooding is imminent or already occurring. Move to higher ground now.
The Flash Flood Warning may be extended if heavy rain persists.
A Flash Flood Watch also remains in effect for Kauai, Niihau and Oahu until 6 p.m. Sunday.
UPDATE 4 p.m. SATURDAY
The National Weather Service has issued a Severe Thunderstorm Watch for Kauai and Niihau through midnight Saturday night, saying weather conditions are favorable for strong thunderstorms.
Forecasters said the thunderstorms could bring damaging winds, frequent lightning and small hail.
The weather service also issued a Severe Thunderstorm Watch 3 for waters around Kauai and Niihau until midnight Saturday night.
A Flash Flood Watch also remains in effect until 6 p.m. Sunday for Kauai, Niihau and Oahu.
According to forecasters, an area of convergence between south and southeast winds brought locally heavy rain ahead of a slow-moving cold front to the west of the islands. The front is moving very slowly, and so will showers in the convergence zone ahead of it. Most of those showers could fall on Oahu through Sunday.
The rain should begin diminishing Sunday as the front weakens.
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