The latest update to this website was 852pm Monday evening (HST)

 

Air Temperatures – The following high temperatures (F) were recorded across the state of Hawaii Monday…along with these low temperatures Monday morning: 

81 – 71  Lihue AP, Kauai
84 – 71  Honolulu AP, Oahu
83 – 65  Molokai AP, Molokai
83 – 63  Kahului AP, Maui 
85 – 73  Kona AP, Hawaii
85 – 68  Hilo AP, Hawaii 

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

6.13  Mount Waialeale, Kauai
10.32  St. Stephens, Oahu
1.21  Puu Alii, Molokai
0.94  Lanai City, Lanai
1.00  Kula Branch Stn, Maui
5.47  Pahala, Big Island

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

17  Nawiliwili, Kauai
14  Kii, Oahu
13  Makapulapai, Molokai
10  Lanai 1, Lanai
17  Maalaea Bay, Maui
17  PTA Range 17, 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 

An upper level low northeast, spinning in a counter-clockwise fashion…along with an approaching cold front well northwest
(click for larger version)

 


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

 Heavy showers and thunderstorms remain offshore to the northeast…although with a few exceptions here and there

 

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

Light southeasterly winds

 

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

Showers locally…some remain 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)

 

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 Monday comments: I’m home here in upper Kula, Maui, Hawaii

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

516am, it’s totally clear this morning here in Kula, with a low temperature of 51.5 degrees at my place.

1210pm, the totally clear skies this morning have given to way to partly to mostly cloudy skies early this afternoon. It looks some of these clouds will let go of some showers here and there.

6pm, it got very cloudy in some areas in Maui County, with rain falling locally…some of which was heavy! My high temperature here in upper Kula was 70.5 degrees. The heavy stuff focused over the mountain on Oahu however, where over 10+ inches of rain fell over the last 24 hours in a couple of places!

640pm, the rains have stopped, although now thick fog has moved over my area at the time of this writing…one of my favorite weather elements.

855pm, the heavy afternoon clouds have cleared back over my area, leaving clear to partly cloudy skies, along with a temperature here at my Kula wether of 60.8 degrees.

Significant flash flooding possible with kona low later this week / A kona low developing north of the state will bring the potential for a prolonged period of heavy rain and thunderstorms over portions of the state from Wednesday into the weekend. The slow-moving low will remain far to the north, while associated convergence bands potentially stall over the islands. Heavy showers forming within these bands may repeatedly move over the islands from the south, bringing a high potential for what could be significant flooding, especially over leeward areas.

 

Hawaii’s Broad Brush Weather Overview:  Current ongoing heavy rain event over windward Oahu should weaken this evening, but rain showers will be possible through the night. On Wednesday the weather pattern trends more unstable, as southerly winds develop over the state in response to a kona low approaching the islands from the north.

Deep unstable tropical moisture will move over all islands from the south, resulting in periods of heavy rainfall and the chance for thunderstorms. A prolonged period of heavy rain could bring significant flooding to leeward areas of select areas starting from Wednesday and likely continuing through the weekend.

Hawaii’s Weather Details:  Unstable conditions and low level southeast flow brought flash flooding to windward Oahu today, with heavy rain still ongoing during the afternoon. Rainfall totals show numerous rain gauges with 5 to 8 inches of rain during the past 12 hours. We are expecting rainfall rates to decrease this evening, but rain showers could continue along windward Oahu through the night.

An upper level low north of the state continues to produce unstable conditions over the state. A surface trough over the western end of the state will bring light east to southeast winds this evening, and light southeast to south winds on Tuesday. Overall the weather pattern for Tuesday, looks fairly similar to today, with the exception of the wind direction.

With the low level winds turning south, this should help prevent rain showers from stalling along the Koolau mountains. Showers will still be slow moving, so periods of heavy rainfall will still be possible on Tuesday, especially during the afternoon for interior and mountain areas. A more widespread rain event is expected during the second half of the week.

A strong kona low will develop north of the state, and its associated convergence boundary will heavily impact the state during the second half of the week. The moisture boundary will move into the state Tuesday night into Wednesday, with increasing chances of heavy rain as deep tropical moisture moves in from the south.

By Wednesday night, precipitable water values will likely increase across parts of the state, and the moisture boundary is expected to stall somewhere around Oahu and Maui County based on the latest guidance. Where this moisture boundary stalls (late Wednesday through Friday), will be the area where there will be high potential for flash flooding.

Although there is still uncertainty on where the convergence boundary will stall, due to the potential for significant flooding over leeward areas, a Flood Watch has been issued for the entire state starting from Wednesday and continuing through Friday. This Flood Watch will likely be extended for select islands due to another heavy rain event moving in this weekend.

Several threats are likely in this weather pattern from Wednesday onward, including flash flooding, strong thunderstorms with gusty outflow winds. But the main threat will likely be the potential for flash flooding over leeward parts of the islands. A prolonged period of heavy rain will be possible with continuous convergent bands moving in from the south, wherever the moisture boundary stalls.

Beyond Friday, latest guidance is showing even deeper tropical moisture with precipitable water values of over 2 inches moving into the western half of the state Saturday. This will increase the threat of flash flooding, especially over Kauai and Oahu on Saturday. Long story short, this is a strong kona low event that will last for many days (starting Wednesday and persisting through the weekend) and will likely impact many areas across the state. Please stay tuned to the latest forecast as the models fine tune the details.

 

Hawaii beach summer vacation travel in Big Island, Hawaii, USA. Hawaiian secluded beach destination woman relaxing lying down on white sand at tropical holiday sun tanning. Skin care suntan concept. Photos |

 

 

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:  NASA Is Helping Protect Tigers, Jaguars, and Elephants. Here’s How.

As human populations grow, habitat loss threatens many creatures. Mapping wildlife habitat using satellites is a rapidly expanding area of ecology, and NASA satellites play a crucial role in these efforts. Tigers, jaguars, and elephants are a few of the vulnerable animals whose habitats NASA is helping track from space.

“Satellites observe vast areas of Earth’s surface on daily to weekly schedules,” said Keith Gaddis, ecological conservation program manager at NASA Headquarters in Washington. “That helps scientists monitor habitats that would be logistically challenging and time-consuming to survey from the ground — crucial for animals like tigers that roam large territories.”

Here’s how NASA and its partners help protect three of Earth’s most iconic species.

Read more at NASA