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Thunderstorms, Heavy Rain, Snow & Flooding Possible Today

December 23, 2014, 1:00 AM HST
* Updated December 23, 7:52 AM
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Alerts

Throughout the current weather event, all weather alerts will be posted HERE.

**Click directly on the images below to make them larger. Charts include: Big Island high/low forecasted temperatures, projected winds, chance of cloud cover, projected localized weather conditions, vog/SO2 forecast and expected wave heights.**

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Today,  Tuesday, December 23, 2014

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Today, we expect partly to mostly cloudy skies with scattered showers and thunderstorms in the morning for windward and mauka areas and these conditions likely in the afternoon. For leeward spots, isolated showers and thunderstorms are forecasted in the morning with showers and thunderstorms likely in the afternoon. Locally heavy rainfall is also possible. High temperatures should fall in the range of 75° to 80° with east winds from 15 to 20 mph. If thunderstorms develop they will be accompanied by gusty winds.

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Sunrise: 6:51 a.m.

Sunset: 5:48 p.m.

UV index at 5 (“moderate” exposure level)

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Tonight

Mostly cloudy skies are expected tonight for the Big Island with showers and thunderstorms likely. Heavy rain is also possible. Winds will be around 15 to 20 mph out of the east. Low temperatures from 66° to 71° degrees.

Moonrise: 8:19 a.m.

Moonset: 7:59 p.m.

Next Full Moon: Jan. 4 at 6:54 p.m.

Next New Moon: Jan. 20 at 3:14 a.m.

 

Looking Ahead 

The leading edge of a slow-moving front will remain near the Big Island through today. When combined with a disturbance high in the atmosphere conditions are expected to be quite messy bringing widespread showers, strong winds, lightning, thunderstorms, hail and flooding conditions. Locally heavy showers are also possible. The threat for this potentially severe weather exists through Wednesday as the disturbance flaring up thunderstorms becomes a cutoff low and lingers in our area. The front is expected to fall apart on Tuesday but a surface low might develop which could suck moisture out of the south and up over the islands. The forecast is still a bit uncertain when it comes to the surface low developing and will be tweaked as it becomes more certain.

 

Almanac for Hilo Airport

Maximum Temperature for today: 

Normal 79°

Record 87° / Set in 1964

 

Minimum Temperature for today:

Normal 65°

Record 55° / Set in 1977

**Click here for your detailed Big Island surf report.**

Image: NOAA / NWS

Image: NOAA / NWS

Image: NOAA / NWS

Image: NOAA / NWS

Image: NOAA / NWS

Image: NOAA / NWS

Image: NOAA / NWS

Image: NOAA / NWS

Image: NOAA / NWS

Image: NOAA / NWS

Image: NOAA / NWS

Image: NOAA / NWS

Image: UHSOEST

Image: UHSOEST

Image: NOAA / NWS

Image: NOAA / NWS

Image: NOAA / NWS

Image: NOAA / NWS

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