#hiwx — Public Fediverse posts
Live and recent posts from across the Fediverse tagged #hiwx, aggregated by home.social.
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#NWS #flood #nwsflashflood #FlashFloodWarning Flash Flood Warning for Kauai, HI #HIwx
FFWHFOThe National Weather Service in Honolulu has issued a
* Flash Flood Warning for...
The island of Kauai in Kauai County* Until 115 PM HST.
* At 1017 AM HST, areas of heavy rain have been moving over Kauai
from southeast to northwest over the past couple of hours with rain
rates around 1 to 2 inches per hour. Water levels at the Hanalei
River gage upstream of the bridge have risen significantly over the
past hour and flooding is expected further downstream toward
Hanalei town, including portions of Kuhio Highway near the bridge.HAZARD...Flash flooding caused by heavy rain.
SOURCE...Gauges reported.
IMPACT...Flash flooding of small creeks and streams, urban areas,
highways, streets and underpasses as well as other poor
drainage and low-lying areas.* Some locations that will experience flash flooding include...
Hanalei, Princeville, Kilauea, Wainiha, Haena, Na Pali State Park
and Kalihiwai. -
#Lowell #TropicalOutlook #SevereWeather #HIwx #Kauai
From County of Hawaii on FB: This is a Civil Defense Message
This is a Hurricane Lowell Information Update for Monday September 7th at 6:30am.
As of 5:00 am this morning, Hurricane Lowell remains a category 3 hurricane with sustained winds of up to 115 mph. Gradual weakening is expected through tomorrow.Lowell is currently located approximately 375 miles southwest of Lihue and 405 miles southwest of Honolulu and moving north northeast at 14mph.
Although Lowell is passing far to the west of Hawaii Island, it is forecast to continue to present with high surf and possibly heavy rains and flooding conditions.A Flood Watch remains in effect for Hawaii Island through tomorrow afternoon. Parts of Hawaii Island may see rainfall amounts from 4 to 8 inches with locally higher amounts up to 12 inches. Residents in flood prone areas are advised to take precautions and in particular those areas of the Kau district that were severely impacted by Hurricane Lala.
A high surf advisory remains in effect for the south and east facing shores of all islands and the west facing shores of Hawaii Island through tomorrow night.
Please continue to monitor local radio broadcasts for official updates and advisories in your area.
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Depending on which model verifies better, Ni'ihai most certainly is going to get some serious wind, and Jurassic Park (er... the top of the mountains in Kauai) as well. #HurricaneLowell #hurricane #HIwx #Hawaii
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Oooh, this accelerated quickly. Good luck to at least one follower on vacation there right now 😬
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#NWS #flood #nwsflashflood #FlashFloodWarning Flash Flood Warning for Oahu in Honolulu, HI #HIwx
At 437 PM HST, Doppler radar indicated that moderate to locally heavy
showers have diminished over the Koolau Mountains and portions of
windward Oahu, with the heaviest rain falling at a rate of up to 1
inch per hour. Water levels in the Waiahole and Waikane Streams have
declined considerably, though Oahu Department of Emergency Management
recently reported that Kamehameha Highway remains closed at Waikane
and Waiahole.HAZARD...Flash flooding caused by heavy rain.
SOURCE...Emergency management reported.
IMPACT...Flash flooding of small creeks and streams, urban areas,
highways, streets and underpasses as well as other poor
drainage and low-lying areas.Some locations that will experience flash flooding include...
Honolulu, Kahaluu, Waiahole, Ahuimanu, Waikane, Kaneohe, Kaaawa,
Aiea, Kaneohe Marine Base, Halawa, Moanalua and Pearl City. -
Hmm, looks like flooding in Oahu. A little surprised Oahu is getting hit.
Local Storm Report
Source: Emergency Mngr (202609070226-PHFO-NWHW50-LSRHFO)
UTC Valid: 2026-09-07T01:00:00Z
Remark: Oahu Dept of Emergency Management reported closure of Kamehameha Hwy in the Waiahole Stream and Waikane Stream area. Police reported up to 2.5 feet of water over the road. -
Hawaii DOT: Travel Advisory 9/6/26: HDOT reminds travelers that airlines may be cancelling flights Sept. 6 & 7 in advance of Hurricane Lowell. Airports will remain open unless unsafe conditions arise. Travelers should check with their airline on flight status prior to heading to the airport.
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Hawaii News Now: Kauai County outlines critical safety plans as Hurricane Lowell nears
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#NWS #flood #nwsflashflood #FlashFloodWarning Flash Flood Warning for Oahu in Honolulu, HI #HIwx
At 356 PM HST, Doppler radar indicated moderate to locally heavy
showers continue over the Koolau Mountains and portions of windward
Oahu, with the heaviest rain falling at a rate of 1 to 2 inches per
hour. Water levels in the Waiahole and Waikane Streams have declined
slightly but remain high enough to support water overflowing onto
Kamehameha Highway.HAZARD...Flash flooding caused by heavy rain.
SOURCE...Gauges reported.
IMPACT...Flash flooding of small creeks and streams, urban areas,
highways, streets and underpasses as well as other poor
drainage and low-lying areas.Some locations that will experience flash flooding include...
Honolulu, Kahaluu, Waiahole, Ahuimanu, Waikane, Kaneohe, Kaaawa,
Aiea, Kaneohe Marine Base, Halawa, Moanalua and Pearl City. -
#NWS #flood #nwsflashflood #FlashFloodWarning Flash Flood Warning for Oahu in Honolulu, HI #HIwx
At 316 PM HST, Doppler radar indicated moderate to locally heavy
showers over windward Oahu, with the heaviest rain falling at a rate
of 1 to 2 inches per hour over the central and northern Koolau
Mountains. Water levels in the Waiahole and Waikane Streams indicate
that water is likely overflowing onto Kamehameha Highway.HAZARD...Flash flooding caused by heavy rain.
SOURCE...Gauges reported.
IMPACT...Flash flooding of small creeks and streams, urban areas,
highways, streets and underpasses as well as other poor
drainage and low-lying areas.Some locations that will experience flash flooding include...
Honolulu, Kahaluu, Waiahole, Ahuimanu, Waikane, Kaneohe, Kaaawa,
Aiea, Kaneohe Marine Base, Halawa, Moanalua and Pearl City. -
#NWS #flood #nwsflashflood #FlashFloodWarning Flash Flood Warning for Oahu in Honolulu, HI #HIwx
FFWHFOThe National Weather Service in Honolulu has issued a
* Flash Flood Warning for...
The island of Oahu in Honolulu County* Until 530 PM HST.
* At 247 PM HST, Doppler radar indicated moderate to locally heavy
showers over windward Oahu, with the heaviest rain falling at a
rate of 1 to 3 inches per hour over the central Koolau Mountains.
Rapid rises in water levels in the Waiahole and Waikane Streams
indicate that flash flooding is ongoing or expected to begin
shortly.HAZARD...Flash flooding caused by heavy rain.
SOURCE...Gauges reported.
IMPACT...Flash flooding of small creeks and streams, urban areas,
highways, streets and underpasses as well as other poor
drainage and low-lying areas.* Some locations that will experience flash flooding include...
Honolulu, Kahaluu, Waiahole, Ahuimanu, Waikane, Kaneohe, Kaaawa,
Aiea, Kaneohe Marine Base, Halawa, Moanalua and Pearl City. -
#Lowell #TropicalOutlook #SevereWeather #HIwx
From NWS Honolulu on FB: A Tropical Storm Watch is now in effect for Kauai County and any preparations for damaging winds should be complete by midday Monday. Large swells from Lowell are expected to produce coastal flooding of low lying areas late Monday into Monday night across south and west facing shores. 1 to 3 feet of storm surge will be possible over Kauai. Heavy rain bands associated with Lowell will begin to impact the state late Sunday and a Flood Watch has been issued for the entire state. The heaviest rainfall is expected to be on Kauai and southeast slopes of the Big Island.
FYI @ai6yr @uccawx -
HURRICANE LOWELL KEY MESSAGES:
1. Lowell is forecast to pass west of Kauai County late Monday into
early Tuesday. A Tropical Storm Watch has been issued for Kauai County, including Kauai and Niihau, where tropical storm conditions are possible beginning Monday. A Hurricane Watch has been issued for portions of the Papahanaumokuakea Marine National Monument from Nihoa to French Frigate Shoals.2. Heavy rainfall associated with Hurricane Lowell will begin to impact the Hawaiian Islands Sunday afternoon and continue through early next week. Periods of heavy rain may produce significant flash flooding and mudslides, especially on Kauai and portions of the Big Island.
3. Large swells from Lowell are expected to produce life-threatening surf and rip current conditions across portions of the Hawaiian Islands during the next several days. Surf along exposed portions of Kauai County could also produce coastal flooding and inundation of low-lying areas late Monday into Monday night.
https://www.nhc.noaa.gov/text/refresh/HFOTCDCP4+shtml/060235.shtml
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Lowell Local Watch/Warning Statement/Advisory Number 40
National Weather Service Honolulu HI EP122026
438 PM HST Sat Sep 5 2026HIZ030-061045-
/O.NEW.PHFO.TR.A.2012.260906T0238Z-000000T0000Z/
Kauai East-
438 PM HST Sat Sep 5 2026...TROPICAL STORM WATCH IN EFFECT...
A Tropical Storm Watch means tropical storm-force winds are possible
somewhere within this area within the next 48 hours* LOCATIONS AFFECTED
- Lihue
- Wailua
- Anahola* WIND
- LATEST LOCAL FORECAST: Below tropical storm force wind
- Peak Wind Forecast: 15-25 mph with gusts to 40 mph- THREAT TO LIFE AND PROPERTY THAT INCLUDES TYPICAL FORECAST
UNCERTAINTY IN TRACK, SIZE AND INTENSITY: Potential for wind 39
to 57 mph
- PLAN: Plan for hazardous wind of equivalent tropical storm
force.
- PREPARE: Efforts to protect property should now be
underway. Prepare for limited wind damage.
- ACT: Act now to complete preparations before the wind
becomes hazardous.- POTENTIAL IMPACTS: Limited
- Damage to porches, awnings, carports, sheds, and unanchored
mobile homes. Unsecured lightweight objects blown about.
- Many large tree limbs broken off. A few trees snapped or
uprooted, but with greater numbers in places where trees
are shallow rooted. Some fences and roadway signs blown
over.
- A few roads impassable from debris, particularly within
urban or heavily wooded places. Hazardous driving
conditions on bridges and other elevated roadways.
- Scattered power and communications outages.(continued)
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The Garden Island: Hurricane Lowell’s expected turn resembles paths of Iniki, Dot
(paywall)
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#Lowell #TropicalOutlook #SevereWeather #HIwx
This is a Civil Defense message for Saturday 09-05-2026 at 11:45 AM.
The National Weather Service High Surf Advisory for southeast and southwest facing shores of Hawaii Island has been extended through Sunday evening.
A High Surf Advisory means surf is higher than normal, shore break, and dangerous currents could cause injury or death.
Beach-goers, swimmers, and surfers should heed all advice given by ocean safety officials and exercise caution when entering the water.
Due to the high surf, the following County Park & Recreation facilities are closed;
Honaunau Boat Ramp
Kahalu`u Beach Park
La`aloa Beach Park
Old As Strip
Kohanaiki Beach Park
Mahukona Wharf
This is your Hawaii County Civil Defense Agency.
For more information, please visit the County of Hawaii Hazard Impact Map
https://www.arcgis.com/apps/dashboards/5865229bcba74020992b372ef18b6f17
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NHC: ..LOWELL TURNING TOWARD THE WEST-NORTHWEST... ...WATCHES WILL LIKELY BE REQUIRED FOR KAUAI COUNTY AND PORTIONS OF THE PAPAHANAUMOKUAKEA MARINE NATIONAL MONUMENT LATER TODAY...
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#Lowell #TropicalOutlook #SevereWeather #HIwx
This is a Civil Defense Message.
This is a Hurricane Lowell Information Update for Saturday 09-05-2026 at 07:49 AM.
As of 5:00 am this morning, Hurricane Lowell remained a category 4 hurricane with sustained winds of up to 150 mph.
Lowell is currently located approximately 630 miles south southwest of Lihue and 625 miles south southwest of Honolulu and moving in a westerly direction at 7mph.
Although Lowell is passing far to the west of Hawaii Island, it is expected to bring high surf and possibly heavy rains and flooding conditions. Heavy rains could begin to affect some areas starting tomorrow afternoon.
A high surf advisory is in effect for the south and east facing shores of all islands and the west facing shores of Hawaii Island through tomorrow night.
Fluctuations in hurricane intensity are possible over the coming days and conditions will be monitored closely.
Please continue to monitor local radio broadcasts in your area for official updates and advisories.
Thank you for listening and have a safe day,
This is your Hawaii County Civil Defense Agency
For more information, please visit the County of Hawaii Hazard Impact Map.
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Like a large oil tanker passing your kayak close... 😬 #HurricaneLowell #HIwx
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Lowell is going to be a close shave... a very close shave. #HurricaneLowell #HIwx