The latest update to this website was at 6pm Sunday (HST)

 

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

81  / 68  Lihue AP, Kauai
84 / 59   Molokai AP, Molokai
84 / 60  Kahului AP, Maui
83 / 71   Kona AP, Big Island
82 / 65   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 Sunday evening:

2.05  Mount Waialeale, Kauai
0.15  Maunawili, Oahu
0.00  Molokai
0.00  Lanai City, Lanai
0.00  Maui
0.35  Keahuolu, Big Island

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

12  Moloaa Dairy, Kauai
15  Waianae Harbor, Oahu
23  Molokai AP, Molokai
14  Lanai 1, Lanai
21  Kahului AP, Maui
20  Upolu 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 cold front is located to the north


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

Low clouds being carried in on the lighter wind flow

 

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

Clouds associated with low pressure to our north…are visible 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 Sunday comments:  I’m home here in upper Kula, Maui, Hawaii. I hope you have a good day wherever you happen to be spending it.

It’s clear here in upper Kula early this morning, while my low temperature was a chilly 47.5 degrees.

1pm, it’s mostly sunny to partly sunny here on Maui, with some cloudy areas around the slopes of the Haleakala Crater slopes.

Weather Wit of the day:  Smog – Industrial strength air

 

Hawaii’s Broad Brush Weather Overview:  Light to occasionally moderate east to southeasterly winds are expected to continue through most of the week and into next weekend, with only slight variations in speed and direction. In this flow, clouds and showers will favor windward areas overnight and leeward and interior areas in the afternoon where sea breezes develop.

Overall, shower activity will be limited. However, moisture from a cold front expected to stall just north of Kauai may bring an up increase in showers to the western end of the state tonight into Monday, and an upper level low pressure disturbance may bring another increase in showers by mid-week.

Hawaii’s Weather Details:  Model guidance shows low-level winds holding from the east-southeast through Monday, as the surface ridge weakens and sags southward over the islands, in response to an approaching cold front. This front is forecast to weaken and stall just north of the state tonight into Monday.

The bulk of the moisture and instability associated with the front is expected to stay north of the islands. This, combined with warm air aloft, will help suppress overall rainfall chances during this period. Should the front drift farther south than currently forecast, shower coverage could increase across Kauai by Monday. Otherwise, light showers will continue to favor windward slopes overnight and into the early mornings, with some interior and leeward cloud buildups and showers possible in the afternoons where sea breezes develop.

This general early spring weather pattern may persist well into the upcoming week, supported by a progressive setup aloft, and another similar system taking shape far northwest of the islands Tuesday through mid-week. Light trades may briefly return Monday night before veering back to the east-southeast as the next front lifts northeastward, staying well away from the islands.

By late in the new week, this zonal and progressive flow north of the state may become disrupted. Guidance suggest a buckle aloft with a broad cutoff low forming far west. If this scenario plays out, it would support a continuation of dry and stable conditions, with light to moderate east-southeast winds into next weekend.

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:  Moderate to locally fresh east-southeast winds will continue to ease, and remain suppressed through Monday. This is in response to the surface ridge weakening and settling southward into the area, as a cold front approaches. This front is expected to stall just north of Kauai into Monday, resulting in light to moderate winds across the area through Monday, with the lightest winds near Kauai. Winds will then increase slightly and shift out of the southeast across much of the island chain by Tuesday, as low pressure develops far northwest of the state. Little change is expected in this pattern through Thursday.

A long-period northwest (305-325 degrees) swell that has been rising at the offshore buoys will rapidly build down the island chain, peak tonight through early Monday, then gradually ease Tuesday through mid-week. Surf heights will near warning levels through its peak, and could reach these levels if the swell ends up coming in larger than predicted.

An advisory may be needed for exposed west facing shores of the Big Island tonight through Monday. A Small Craft Advisory has been issued for exposed waters during the height of the swell. The swell will gradually ease Tuesday through mid-week while shifting out of the north.

Choppy east shore surf, already below seasonal averages, will drop further as trades ease and are expected to remain small through the upcoming week. South shore surf will remain seasonably small, though a small rise is possible around mid-week.

 

 

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:  Viruses Identified in Red Tide Blooms for the First Time

A new study led by researchers at the University of South Florida shines light on the environmental drivers of red tide blooms.

Published in the American Society for Microbiology’s journal mSphere, the study is among the first to identify viruses associated with Karenia brevis, the single-celled organism that causes red tide. By testing water samples collected along the offshore of southwest Florida, the researchers found several viruses — including one new viral species — present in K. brevis blooms.

Identifying viruses associated with red tide can help researchers better understand environmental factors that can cause blooms to increase and decrease. The study marks an initial step toward exploring how viruses could control red tide.

“We know that viruses play an important role in the dynamics of harmful algal blooms, but we haven’t known which viruses might be associated with Karenia brevis blooms,” said Jean Lim, the study’s lead author and a postdoctoral researcher at the USF College of Marine Science (CMS). “Now that we’ve identified several viruses in these blooms, we can work to determine which viruses might have an influence on these events.”

Read more at University of South Florida

Image: Karenia brevis, the single-celled organism that causes red tide.