The latest update to this website was at 340pm Tuesday (HST)

 

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

83 / 74  Lihue AP, Kauai
m / m  Honolulu AP, Oahu
m / m  Molokai AP, Molokai
83 / 71  Kahului AP, Maui
84 / 73  Kona AP, Big Island
85 / 62  Hilo AP, Big Island

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

0.25  Waialae, Kauai
0.75  Waiawa, Oahu
0.84  Puu Alii, Molokai
0.62  Lanai City, Lanai
0.35  Ulupalakua, Maui
0.98  Waiaha Stream, Big Island

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

36  Lihue, Kauai
31  Kii, Oahu
32  Makapulapai, Molokai
28  Lanai 1, Lanai
35  Kahului AP, Maui
18  Hilo Harbor, 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 cold front is approaching from the northwest


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

Variable clouds across the state

 

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

Low clouds arriving on the Kona winds…a few deeper clouds to the north

 

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

Localized showers

 

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)

 

https://www.weather.gov/wwamap/png/hfo.png

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 Tuesday comments:  I’m home here in upper Kula, Maui, Hawaii. I hope you have a good Tuesday wherever you happen to be spending it.

It’s cloudy, with a low temperature of 54 degrees according to my outside temperature sensor.

837am, the low clouds are keeping the leeward sides on the cloudy side, while the windward sides remain mostly clear…which is typical with the southwest Kona winds blowing this morning.

103pm, unfortunately our skies over Maui County are filled with vog again!

Weather Wit of the day: Do you know how Eskimos dress? As quickly as possible!

 

Hawaii’s Broad Brush Weather Overview:  A cold front will continue to approach the islands, bringing moist southerly winds and increasing rainfall chances. The front will reach Kauai tonight, then stall and diminish around Oahu and Molokai Wednesday through Thursday.

Lingering residual moisture combined with an upper disturbance over the area will keep rainfall chances around through the second half of the week. As trade winds gradually return, the focus of rainfall will shift to windward and mountain areas later in the week through early next week.

Hawaii’s Weather Details:  Current radar and satellite imagery show scattered showers streaming into leeward areas locally, on the southwesterly kona winds. These breezy southwesterly winds will persist across the western half of the state through the day today in advance of an approaching cold front.

With wind profiles showing 25 to 30 knots in a layer from 2,000 to 8,000 feet above the surface over Kauai and Molokai , strong downsloping winds may impact windward areas across mainly Oahu through this evening.

Moisture caught up in the southwesterly flow will continue to deliver periodic showers to south- and west- facing slopes through the day, especially if the bands of moisture currently seen on satellite imagery streaming through the Kauai and Kaiwi Channels shift over land areas later today.

Short-term model guidance shows a trough diving southeast and sweeping across the Central Pacific today into tomorrow, and pushing its associated cold front through the western end of the state. This cold front is expected to move across Kauai this evening before stalling near Oahu and Molokai tomorrow night into Thursday. Breezy northwesterly winds will fill in behind the front across Kauai this evening, then veer out of the north, then northeast tomorrow into tomorrow night as it moves over Oahu.

While most of the dynamics and deeper moisture are expected to remain north of the state, increasing lift and pooling low-level moisture along the frontal boundary will enhance the potential for some much needed rainfall across the islands, particularly over the dry leeward areas.

East-northeasterly trades will return Thursday through the weekend, helping to focus clouds and showers over windward areas. However, as another trough dives southeast across the island chain Thursday night into Friday, and then forms a cutoff low over the state this weekend, instability associated with this feature, along with ample upstream moisture will help to enhance showers across the area.

Additional instability from the cold pool aloft may lead to a few heavier showers or even isolated thunderstorms, particularly from Oahu to the Big Island later this week, as the upper trough moves into the area and begins to close off. For the Big Island summits, this setup could support periods of wintry precipitation from late Thursday through early Saturday.

Heading into next week, the upper level low will get caught up in the westerly flow aloft and move east of the state, bringing a return to more typical trade wind weather.

Fire weather:  No critical fire weather conditions are expected through the week, due to increasing moisture and rain chances associated with a front forecast to move into the area and stall Tuesday through mid-week.

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:  Overlapping large to extra large NW swells will maintain High Surf Warning-level surf along most north and west facing shores through Thursday. Swell at the buoys will trend up through tonight, with peak surf likely occurring on Wednesday. As some of this swell is being generated by an extensive fetch of west to NW winds passing just north of the islands, a wide range of wave periods is expected.

This NW swell will gradually diminish from Thursday into Saturday, with surf falling below High Surf Advisory heights by Saturday. A moderate NW swell is possible Sunday. Locally strong southwest kona winds will bring choppy wind waves to south and west facing shores (especially on Kauai and Oahu).

Combined high seas have prompted a Small Craft Advisory for all Hawaiian coastal waters (except Maalaea Bay) through Thursday. Additionally, SW winds will become strong over Kauai and Oahu waters, as an approaching front tightens the gradient between it and a ridge near the Big Island. The front is expected to stall as it moves over Kauai and Oahu tonight/Wednesday, with moderate north to NE winds developing behind the front. A ridge over Big Island and Maui waters will support light and variable winds.

Moisture along the stalled front will combine with a developing low aloft, to bring the potential for some locally heavy downpours and isolated thunderstorms as the island atmosphere becomes increasingly unstable from late Wednesday into the weekend. High pressure building north of the islands will support moderate to locally strong NE to easterly trade winds from Wednesday night into Friday. Long term guidance favors a continued trade wind flow through next weekend.

 

Secret Beach and Lava Pools | A Surprise Among Kauai Beaches - Kauai Vacation Rentals

 

 

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:  From E-waste to Gold: A Pathway to CO2 Sustainability

A Cornell-led research team has developed a method for extracting gold from electronics waste, then using the recovered precious metal as a catalyst for converting carbon dioxide (CO2), a greenhouse gas, to organic materials.

The method could provide a sustainable use for some of the approximately 50 million tons of e-waste discarded each year, only 20% of which is recycled, according to Amin Zadehnazari, a postdoctoral researcher in the lab of Alireza Abbaspourrad, the Yongkeun Joh Associate Professor of Food Chemistry and Ingredient Technology in the College of Agriculture and Life Sciences.

Zadehnazari synthesized a pair of vinyl-linked covalent organic frameworks (VCOFs) to remove gold ions and nanoparticles from circuit boards in discarded electronic devices. One of his VCOFs was shown to selectively capture 99.9% of the gold and very little of other metals, including nickel and copper, from the devices.

“We can then use the gold-loaded COFs to convert CO2 into useful chemicals,” Zadehnazari said. “By transforming CO2 into value-added materials, we not only reduce waste disposal demands, we also provide both environmental and practical benefits. It’s kind of a win-win for the environment.”

Read more at Cornell University