The latest update to this website was at 653pm Tuesday (HST)

 

Here are the highest temperatures Tuesday…and the lowest Tuesday:

80 – 67  Lihue AP, Kauai
80 – 66  Molokai AP, Molokai
86 – 63  Kahului AP, Maui
84 – 73  Kona AP, Big Island
85 – 69  Hilo, AP, Big Island

>>> There are lots of new locations that measure rainfall and winds now, here’s a map of all areas for your reference

Here are the latest 24-hour precipitation totals (inches) for each of the islands as of Tuesday evening:

1.26  Wailua, Kauai
3.02  Hawaii Kai GC, Oahu
1.20  Puu Alii, Molokai
1.10  Lanai City, Lanai
2.30  Kula Branch Stn, Maui
3.06  Kaiaulu Puu Waawaa, Big Island

The following numbers represent the strongest wind gusts (mph) as of Tuesday evening:

23  Barking Sands, Kauai
12  Paakea, Oahu
10  Anapuka, Molokai
07  Lanai 1, Lanai
22  Kahului AP, Maui
23  Hilo AP, Big Island

Hawaii’s Mountains – Here’s a link to the live webcams on the summit of our tallest mountain Mauna Kea (~13,800 feet high) on the Big Island of Hawaii, and atop the Haleakala Crater (~10,023 feet) on Maui. These webcams are available during the daylight hours here in the islands, and at night whenever there’s a big moon shining down. Also, at night you will be able to see the stars, and the sunrise and sunset too…depending upon weather conditions.

 

https://weather.gc.ca/data/satellite/goes_gwdisk11_1070_100.jpg

Big Blue…click twice for largest version

 

https://cdn.star.nesdis.noaa.gov/GOES17/ABI/SECTOR/tpw/13/GOES17-TPW-13-900x540.gif 

 A low pressure system northeast of Hawaii…high clouds moving by to the south of Hawaii


https://cdn.star.nesdis.noaa.gov/GOES17/ABI/SECTOR/hi/GEOCOLOR/GOES17-HI-GEOCOLOR-600x600.gif

Low clouds being carried our way on the east-southeast winds

 

https://cdn.star.nesdis.noaa.gov/GOES17/ABI/SECTOR/hi/13/GOES17-HI-13-600x600.gif

Towering cumulus northeast

 

https://radar.weather.gov/ridge/standard/HAWAII_loop.gif

Localized showers…some are heavy

 

https://www.weather.gov/images/hfo/satellite/Kauai_VIS_loop.gif

Kauai and Oahu (Satellite)

 

https://radar.weather.gov/ridge/standard/PHKI_loop.gif

Kauai and Oahu (Radar)

 

https://www.weather.gov/images/hfo/satellite/Oahu-Maui_VIS_loop.gif

Oahu and Maui County (Satellite)

 

https://radar.weather.gov/ridge/standard/PHMO_loop.gif

Oahu and Maui County (Radar)

 

https://www.weather.gov/images/hfo/satellite/Hawaii_VIS_loop.gif

 Maui, Kahoolawe, Lanai, and the Big Island (Satellite)

 

https://radar.weather.gov/ridge/standard/PHKM_loop.gif

Maui County and the Big Island (Radar)

 

https://radar.weather.gov/ridge/standard/PHWA_loop.gif

Big Island (Radar)

 

Model showing precipitation through 8-days (you can slow this animation down)

 

 


Please open this link to see details on any current Watches, Warnings and Advisories noted above

 

https://www.weather.gov/images/hfo/graphics/pmsl.gif

~~~ Hawaii Weather Narrative ~~~

 

Glenn’s Monday comments:  I’m here in Corte Madera, Marin County, California, at my friend Linda’s on a working vacation.

This was my last day here in Marin County, as I fly back to Maui Wednesday morning. I must say that I’ll miss being here, although I look forward to being back home, and seeing all my friends again.

I can see the sliver moon, just before I hit the hay. I’m going to bed early, as I have my alarm set for 415am, so I can get up and do some weather work before catching the Marin Airporter down to the San Francisco AP.

Weather Wit of the day:  Farmers Almanac – An annual manual

 

Hawaii’s Broad Brush Weather Overview:  A moist unstable airmass will hold through today. Light to gentle winds will allow for sea breezes to develop in the afternoon and land breezes overnight. A cold upper level low will develop just east of the state today increasing the chance of locally heavy showers and a few thunderstorms this afternoon.

Land breezes will keep most shower activity over the coastal waters or near the coast at night. Trade winds are expected to return Wednesday, reaching breezy levels Friday into early next week, along with a more typical windward and mountain shower pattern.

Hawaii’s Weather Details:  A weak surface trough is meandering between Kauai and Oahu, while high pressure is centered far northeast of the island chain. Winds remain light across the state, with land breezes holding through the early morning hours. Satellite and radar imagery shows thick clouds and scattered moderate to locally heavy showers mostly over the coastal waters surrounding Oahu. Light to moderate showers have been fairly persistent along the southeast coast of the Big Island due to the southeast flow over and near the Big Island.

The winds will shift out of a more easterly direction as the day progresses, which will allow showers to ease later today in this area. A deep upper low will move southward just east of the state today. This will increase the instability, particularly east of Kauai, where heavy showers and thunderstorms will be possible during the afternoon hours, as sea breezes become more developed, favoring interior and leeward areas. Land breezes will develop shortly after sunset that could help push shower activity out over the coastal waters or areas near the immediate coast overnight.

Wednesday will serve as a transition day, where gentle to moderate trades will gradually build back as the surface trough dissipates west of the state, allowing drier air to slowly filter in from the east. The airmass will also gradually become more stable as the upper level low shifts eastward and opens up to a trough, allowing a mid level ridge to build over the state.

Moderate to locally breezy trades are expected to return Friday then hold through early next week, as a pair of strong high pressure systems move north of the state. Expect showers to favor windward and mountain areas, particularly during the overnight and early morning hours.

Volcanic emissions and light background east southeast flow will keep vog in place over most of the state through today. The returning trades should clear the vog out of the smaller islands by later Wednesday.

Here’s a near real-time Wind Profile of the Pacific Ocean – along with a Closer View of the islands / Here’s the latest Weather Map / Vog map animation

Hawaii’s Marine Environment:  A trough of low pressure near Kauai will linger and continue to weaken the high pressure ridge over the Hawaiian Islands, maintaining a light and variable wind regime. This boundary combined with an upper level disturbance will increase the potential for showers and thunderstorms over the coastal and offshore waters. Trades will build back in Wednesday onward, strengthening to Small Craft Advisory levels for the typical windier coastal waters around Maui and the Big Island by Thursday.

A small northwest swell will slowly fade. Surf along north and west facing shores should remain near or below average levels for this time of year. By Thursday, a moderate long period north-northwest swell is expected to arrive, producing surf above the seasonal average. This north-northwest swell will slowly decline over the weekend.

Multiple small south swells will maintain small background southerly energy. A bump up in south-southwest swell energy will arrive on Wednesday, peak Thursday producing moderate surf, and then slowly fade through the weekend. However, a mix of reinforcing south-southwest swell and new south-southeast swell energy will arrive this weekend, and should help maintain surf near or above the summer average. Then another pulse of south-southwest swell energy will arrive early next week.

Weak upstream trade wind flow will keep surf on the small side for east facing shores. An increase is expected by Wednesday as the trade winds return. Trade winds should strengthen on Friday with rough and choppy surf expected along east facing shores through the weekend.

 

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World-wide Tropical Cyclone Activity

 

Atlantic Ocean:  There are no active tropical cyclones

Caribbean Sea:  There are no active tropical cyclones

Gulf of Mexico:  There are no active tropical cyclones

Northeastern Pacific:  There are no active tropical cyclones

Here’s the link to the National Hurricane Center (NHC)

North Central Pacific:  There are no active tropical cyclones

Here’s the link to the Central Pacific Hurricane Center (CPHC)

Northwest Pacific Ocean:  There are no active tropical cyclones

Southwest Pacific Ocean:  There are no active tropical cyclones

North and South Indian Ocean:  There are no active tropical cyclones

Arabian Sea:  There are no active tropical cyclones

Here’s a link to the Joint Typhoon Warning Center (JTWC)

>>> Here’s a link to the Pacific Disaster Center’s (PDC Global) Weather Wall website

 

Interesting:  To Help Growers and the Grid, Build Solar on Farmland, Research Says

Two new studies suggest that devoting a small fraction of U.S. farmland to solar power would be a boon both for the energy system and for farmers themselves.

In the U.S., some 46,000 square miles of farmland, an area roughly the size of Pennsylvania, is currently used for growing corn for ethanol fuel. New research investigated the impact of using a small measure of this land for solar instead.

Only a small fraction of the farms now growing corn for ethanol lie close enough to a transmission line to be suitable for a solar array. Together, these farms cover just 1,500 square miles, researchers estimate, and yet, if they were used for solar power, they would generate as much energy yearly as all the U.S. farms growing corn for fuel. The findings were published in the Proceedings of the National Academy of Sciences.

Read more at: Yale Environment 360

Wildflowers grow beneath a solar array in Minnesota.