The latest update to this website was at 8pm Monday evening (HST)

 

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

84 / 73  Lihue AP, Kauai
85 / 78  Honolulu AP, Oahu
86 / 72  Molokai AP, Molokai
86 / 72  Kahului AP, Maui
87 / 73  Kona AP, Big Island
85 / 69  Hilo AP, Big Island

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

0.43  Kapahi, Kauai
0.03  Poamoho RG 1, Oahu
0.00  Molokai
0.00  Lanai
0.01  Kula 1, Maui
0.11  Kawainui Stream, Big Island

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

13  Port Allen, Kauai
12  Waianae Harbor, Oahu
10  Makapulapai, Molokai
13  Lanai 1, Lanai
11  Kahului AP, Maui
16  PTA Keamuku, Big Island

Hawaii’s Mountains – Here’s a link to the live webcam on the summit of our tallest mountain Mauna Kea (~13,800 feet high) on the Big Island of Hawaii. 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 

Thunderstorms well south of Hawaii, with a counter-clockwise rotating low pressure system far northeast…with its associated cold front just north of Kauai
(click for larger version)


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

High Cirrus clouds coming up from the south at times

 

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

Weak cold front just north of Kauai

 

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

A few 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 Sunday comments: 

Good day everyone, I hope you have a great Monday wherever you happen to be spending it.

I’m here in Bend, Oregon, and Bob will be driving me to Portland early this morning, as I have a flight home to Kahului, Maui. On the one hand I am anxious to leave, as there is so much wild fire smoke in the air here in Bend, with varying amounts of smoke on a daily basis. On the other hand, I’m going to miss spending so much quality time with Bob for the last week or so! We love walking and hiking out in nature! His wife returns on Wednesday, which he’s looking forward to of course.

I’m back on Maui after a 5.5 hour flight from Portland. It was very warm in Oregon everyday, and it feels warm here on Maui as well. I must say that I’m looking forward to the cooler temperatures of Autumn!

There’s such a great deep orange afterglow now in the western horizon, after the sunset a while ago!

8pm HST, the air temperature has dropped quickly this evening, and already here at my Kula weather tower my thermometer is showing a cool 58.8 degrees.

 

Hawaii’s Broad Brush Weather Overview:  Daytime sea breezes and nighttime land breezes will bring clouds and showers over island interiors during the day and clearing at night. A weak cold front will stall and dissipate near Kauai Tuesday into Wednesday, bringing a bit more showers to Kauai. Trade winds return Thursday through the weekend.

Hawaii’s Weather Details:  A nearly stationary, low pressure system is located well northeast of Hawaii. An associated weak cold front passes within 100 miles north of Kauai moving southward slowly. This synoptic setup is creating a light wind regime over Hawaii.

Current visible satellite and radar show partly sunny to mostly cloudy skies concentrated over the islands due to the sea breezes taking over from the trade winds. Tonight, land breezes will set up and suppress cloud cover over the islands…leading to a clear morning in most areas.

The daytime sea breeze and nighttime land breeze pattern, with afternoon clouds and clearing at night will continue through Wednesday. The front will stall near Kauai Tuesday into Wednesday, bringing a bit more clouds and showers across the Garden Isle than the other islands.

The front will not have any upper level support and in the process of dissipating as it reaches Kauai, so significant precipitation is not expected. Statewide, most of the showers will occur during the afternoons through Wednesday.

Trade winds will build in Thursday and push the frontal remnant to the west. Models show clouds and showers increasing Thursday into the weekend, in conjunction with the return of the trades. The tropical upper tropospheric trough sets up west of the state, which may provide a little bit of enhancement to the incoming showers. Showers will focus over windward and mountain areas…once the trades kick in.

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:  Trade winds will diminish, then become light and variable through Tuesday, as a front approaches and stalls near Kauai. The front will weaken into a trough and shift westward by the middle of the week, allowing the trade wind to return and gradually strengthen. High pressure building northeast of the state will bring fresh to strong trade winds back to the waters Thursday through the weekend.

Surf along north-facing shores will steadily lower Monday. A moderate north swell will arrive Monday night, peak late Tuesday through early Wednesday, then gradually decline through the end of the work week. The lack of strong trades over and upstream of the state, will keep east shore surf tiny through mid-week, aside from the locations exposed to the previously mentioned north swell.

The return of fresh to strong trades over and upstream of the islands Thursday will allow east shore surf to gradually build back to near normal levels by the weekend. South shore surf will remain small this week, with mainly background swells moving through. A small south-southwest swell could give south shore surf a boost by the weekend.

 

Vancouver to Hawaii: Tips for booking trips, what to see - Vancouver Is Awesome

 

 

World-wide Tropical Cyclone Activity

 

Atlantic Ocean:  There are no active tropical cyclones

>>> Central Tropical Atlantic:

Invest 92L

An elongated area of low pressure over the central tropical Atlantic is producing limited shower activity. Environmental conditions appear only marginally conducive for some slight development during the next couple of days, but a tropical depression could still form during that time while the system meanders over the central tropical Atlantic.

* Formation chance through 48 hours…medium…40 percent
* Formation chance through 7 days…medium…40 percent

>>> Eastern and Central Tropical Atlantic:

A trough of low pressure located several hundred miles southwest of the Cabo Verde Islands is expected to merge in a couple of days with a strong tropical wave currently located just offshore of the western coast of Africa. Environmental conditions appear favorable for gradual development of this system, and a tropical depression will likely form during the latter part of this week while the system moves west-northwestward at 10 to 15 mph.

* Formation chance through 48 hours…low…30 percent
* Formation chance through 7 days…high…70 percent

Caribbean Sea:  There are no active tropical cyclone

Gulf of Mexico: 

Tropical Cyclone 06L (Francine)…which is located about 420 miles south-southwest of Cameron, Louisiana

FRANCINE EXPECTED TO BECOME A HURRICANE SOON…STORM SURGE AND HURRICANE WARNINGS ARE IN EFFECT FOR THE LOUISIANA COASTFrancine is moving toward the north-northwest near 5 mph. A continued slow north-northwest motion is expected through Tuesday morning, followed by a turn to the northeast with an increase in forward speed. On the forecast track, Francine is anticipated to be just offshore of the coasts of northeastern Mexico and southern Texas through Tuesday, and make landfall in Louisiana on Wednesday. Maximum sustained winds remain near 65 mph with higher gusts. Francine will likely become a hurricane early Tuesday, with significant strengthening expected before it reaches the coast. Tropical-storm-force winds extend outward up to 140 miles from the center.

Northeastern Pacific:  There are no active tropical cyclones

>>> Offshore of Southwestern Mexico:

An area of low pressure is forecast to form during the middle part of the week, near or just to the south of the coast of southwestern Mexico. Environmental conditions are forecast to be conducive for some gradual development of this system, and a tropical depression could form during the middle to latter part of this week while it moves generally north-northwestward, near the coast of southwestern Mexico.

* Formation chance through 48 hours…low…near 0 percent
* Formation chance through 7 days…medium…60 percent

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

North Central Pacific:  There are no active tropical cyclone

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:  New Research from Swansea University Shines a Light on How Solar Power and Farming can Coexist

In a recent study published in Solar RRL, academics from the University’s Department of Physics have been exploring the effect of semi-transparent PV materials placed over crops – an exemplary application of agrivoltaics (solar panels combined with agricultural settings).

As part of this work, the team has developed an innovative freeware tool that predicts the light transmission, absorption, and power generation of different PV materials nearly anywhere on the globe using geographical, physical, and electrical measurements.

Austin Kay, lead author of the study and a PhD candidate at Swansea University, said: “This technology, which allows us to compare many types of PV material, could help us determine how we balance food production and renewable energy generation.”

Read more at: Swansea University