Alert archive / Hawaii / Ashfall Advisories in 2018
Ashfall Advisory 2, NWS Honolulu, HI
NWS Honolulu, HI issued this ashfall advisory at May 17, 2018, 5:17 AM HST. It was in force for 6 hr.
The area
The counties it named.
The facts
- Issued
- May 17, 2018, 5:17 AM HST (15:17 UTC)
- Expired
- May 17, 2018, 11:21 AM HST
- In force
- 6 hr
- Issued by
- NWS Honolulu, HI
The text
As transmitted.
219 WWHW70 PHFO 171517 NPWHFO URGENT - WEATHER MESSAGE National Weather Service Honolulu HI 517 AM HST Thu May 17 2018 ...ASHFALL ADVISORY IN EFFECT FOR KAU DISTRICT OF BIG ISLAND... HIZ024-172200- /O.NEW.PHFO.AF.Y.0002.180517T1517Z-180517T2200Z/ South Big Island- 517 AM HST Thu May 17 2018 ...ASHFALL ADVISORY IN EFFECT UNTIL 8 AM HST FRIDAY... The National Weather Service in Honolulu has issued an Ashfall Advisory, which is in effect until 8 AM HST Friday. * ERUPTION...Kilauea Volcano Summit (19.4N 155.3W) at 442 AM HST. Radar estimates the height of the plume around 25,000 feet. * LOCATION...Volcanic ash is expected to reach the region to the southwest and west of the Kilauea Volcano Summit (Halemaumau Crater), including cities of Wood Valley, Pahala, Punaluu, Naalehu, and Hawaiian Oceanview Estates. * TIMING...This advisory may need to be extended if volcanic ashfall emissions persist. * IMPACTS...Due to the sustained but low-level nature of ash production from Halemaumau Crater, ash accumulation less than one quarter of an inch is possible over the advisory area. Eye and respiratory irritants with low level impacts for most people. PRECAUTIONARY/PREPAREDNESS ACTIONS... For more information on the status of Kilauea Volcano, please see https://volcanoes.usgs.gov/volcanoes/kilauea/status.html Persons with respiratory illnesses should remain indoors to avoid inhaling the ash particles and all persons outside should cover their mouth and nose with a mask or cloth. For health and safety recommendations, please visit the Hawaii Interagency Vog Information Dashboard at https://vog.ivhhn.org && $$ RCB
4 follow-up statements
017 WWHW70 PHFO 171601 NPWHFO URGENT - WEATHER MESSAGE National Weather Service Honolulu HI 601 AM HST Thu May 17 2018 ...ASHFALL ADVISORY IN EFFECT FOR KAU DISTRICT OF BIG ISLAND... HIZ024-172200- /O.CON.PHFO.AF.Y.0002.000000T0000Z-180517T2200Z/ South Big Island- 601 AM HST Thu May 17 2018 ...ASHFALL ADVISORY IN EFFECT UNTIL 8 AM HST FRIDAY... The National Weather Service in Honolulu has issued an Ashfall Advisory, which is in effect until 8 AM HST Friday. * ERUPTION...Kilauea Volcano Summit (19.4N 155.3W) approximately 400 AM HST. Radar estimates the height of the plume around 30,000 feet. * LOCATION...Volcanic ash is expected to reach immediate vicinity of the Kilauea Volcano Summit (Halemaumau Crater), including Volcano and Glenwood. * TIMING...This advisory may need to be extended if volcanic ashfall emissions persist. * IMPACTS...Due to the sustained but low-level nature of ash production from Halemaumau Crater, ash accumulation less than one quarter of an inch is possible over the advisory area. Eye and respiratory irritants with low level impacts for most people. PRECAUTIONARY/PREPAREDNESS ACTIONS... For more information on the status of Kilauea Volcano, please see https://volcanoes.usgs.gov/volcanoes/kilauea/status.html Persons with respiratory illnesses should remain indoors to avoid inhaling the ash particles and all persons outside should cover their mouth and nose with a mask or cloth. For health and safety recommendations, please visit the Hawaii Interagency Vog Information Dashboard at https://vog.ivhhn.org && $$ RCB
517 WWHW70 PHFO 171605 CCA NPWHFO URGENT - WEATHER MESSAGE...CORRECTED National Weather Service Honolulu HI 605 AM HST Thu May 17 2018 ...ASHFALL ADVISORY IN EFFECT FOR KAU DISTRICT OF BIG ISLAND... HIZ024-172200- /O.COR.PHFO.AF.Y.0002.000000T0000Z-180517T2200Z/ South Big Island- 605 AM HST Thu May 17 2018 ...ASHFALL ADVISORY IN EFFECT UNTIL 12 PM HST TODAY... The National Weather Service in Honolulu has issued an Ashfall Advisory, which is in effect until 12 PM HST today. * ERUPTION...Kilauea Volcano Summit (19.4N 155.3W) approximately 400 AM HST. Radar estimates the height of the plume around 30,000 feet. * LOCATION...Volcanic ash is expected to reach immediate vicinity of the Kilauea Volcano Summit (Halemaumau Crater), including Volcano and Glenwood. * TIMING...This advisory may need to be extended if volcanic ashfall emissions persist. * IMPACTS...Due to the sustained but low-level nature of ash production from Halemaumau Crater, ash accumulation less than one quarter of an inch is possible over the advisory area. Eye and respiratory irritants with low level impacts for most people. PRECAUTIONARY/PREPAREDNESS ACTIONS... For more information on the status of Kilauea Volcano, please see https://volcanoes.usgs.gov/volcanoes/kilauea/status.html Persons with respiratory illnesses should remain indoors to avoid inhaling the ash particles and all persons outside should cover their mouth and nose with a mask or cloth. For health and safety recommendations, please visit the Hawaii Interagency Vog Information Dashboard at https://vog.ivhhn.org && $$ RCB
788 WWHW70 PHFO 171755 NPWHFO URGENT - WEATHER MESSAGE National Weather Service Honolulu HI 755 AM HST Thu May 17 2018 HIZ025-180400- /O.EXB.PHFO.AF.Y.0002.000000T0000Z-180518T0400Z/ Big Island North and East- 755 AM HST Thu May 17 2018 ...ASHFALL ADVISORY IN EFFECT UNTIL 6 PM HST THIS EVENING... The National Weather Service in Honolulu has issued an Ashfall Advisory, which is in effect until 6 PM HST this evening. * ERUPTION...An explosive eruption occurred at the summit of Kilauea Volcano (19.4N 155.3W) at approximately 415 am. Data from the Big Island radars showed the ash cloud reached to nearly 30000 feet shortly after the initial explosion. * LOCATION...Volcanic ash is expected to reach immediate vicinity of the Kilauea Volcano Summit (Halemaumau Crater), including Volcano and Glenwood. If additional large explosions occur, winds aloft could push the resulting ash to communities of lower Puna such as Pahoa and Kapoho, south to the shoreline. * TIMING...This advisory may need to be extended if volcanic eruptions persist. * IMPACTS...Ash accumulation less than one quarter of an inch is possible over the advisory area. Eye and respiratory irritants with low level impacts for most people. PRECAUTIONARY/PREPAREDNESS ACTIONS... For more information on the status of Kilauea Volcano, please see https://volcanoes.usgs.gov/volcanoes/kilauea/status.html Persons with respiratory illnesses should remain indoors to avoid inhaling the ash particles and all persons outside should cover their mouth and nose with a mask or cloth. For health and safety recommendations, please visit the Hawaii Interagency Vog Information Dashboard at https://vog.ivhhn.org For more information on the current status of Kilauea Volcano, see https://volcanoes.usgs.gov/volcanoes/kilauea/status.html. An Ashfall Advisory means that ash accumulation of less than one quarter inch is expected somewhere within the advisory area. Persons with respiratory illnesses should remain indoors to avoid inhaling the ash particles and all persons outside should cover their mouth and nose with a mask or cloth. && $$ HIZ024-180400- /O.EXT.PHFO.AF.Y.0002.000000T0000Z-180518T0400Z/ South Big Island- 755 AM HST Thu May 17 2018 ...ASHFALL ADVISORY NOW IN EFFECT UNTIL 6 PM HST THIS EVENING... * ERUPTION...An explosive eruption occurred at the summit of Kilauea Volcano (19.4N 155.3W) at approximately 415 am. Data from the Big Island radars showed the ash cloud reached to nearly 30000 feet shortly after the initial explosion. * LOCATION...In Ka'u, volcanic ash is expected to reach immediate vicinity of the Kilauea Volcano Summit (Halemaumau Crater). * TIMING...This advisory may need to be extended if volcanic eruptions continue. * IMPACTS...Ash accumulation less than one quarter of an inch is possible over the advisory area. Eye and respiratory irritants with low level impacts for most people. PRECAUTIONARY/PREPAREDNESS ACTIONS... For more information on the status of Kilauea Volcano, please see https://volcanoes.usgs.gov/volcanoes/kilauea/status.html Persons with respiratory illnesses should remain indoors to avoid inhaling the ash particles and all persons outside should cover their mouth and nose with a mask or cloth. For health and safety recommendations, please visit the Hawaii Interagency Vog Information Dashboard at https://vog.ivhhn.org && $$ R Ballard
388 WWHW70 PHFO 172121 NPWHFO URGENT - WEATHER MESSAGE National Weather Service Honolulu HI 1121 AM HST Thu May 17 2018 HIZ024-025-172230- /O.CAN.PHFO.AF.Y.0002.000000T0000Z-180518T0400Z/ South Big Island-Big Island North and East- 1121 AM HST Thu May 17 2018 ...ASHFALL ADVISORY IS CANCELLED... The National Weather Service in Honolulu has cancelled the Ashfall Advisory. Webcams, radar, and surface reports suggest that the significant ash from the brief explosive eruption of Halemaumau at approximately 415 am has settled out of the atmosphere. Hawaii Volcano Observatory cautions that additional explosions are possible today, however. Please see the Special Weather Statement which replaces this advisory. $$ R Ballard
The office that day
Everything else NWS Honolulu, HI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 17, 6:33 AM HST | Marine Ashfall Advisory | HFO | 5 hr |
Nearby
Ashfall Advisories in Hawaii, 2018Every ashfall advisory in 2018
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text.