Alert archive / Hawaii / Ashfall Warnings in 2026
Ashfall Warning 2, NWS Honolulu, HI
NWS Honolulu, HI issued this ashfall warning at Mar 10, 2026, 11:03 AM HST for Hawaii County, Hawaii. It was in force for 7 hr. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Mar 10, 2026, 11:03 AM HST (21:03 UTC)
- Expired
- Mar 10, 2026, 6:09 PM HST
- In force
- 7 hr
- Issued by
- NWS Honolulu, HI
County Hawaii County, HI
The radar
The South Shore radar (PHWA), 57 km from the middle of the area, began a volume at 21:04 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
The nearest sounding before it
Hilo, (PITO), launched 12:00Z, 9.1 hours before the alert went out and 56 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 48 J/kg
- Mixed-layer CIN
- -3 J/kg
- Mixed-layer LCL
- 744 m above ground
- 0-6 km bulk shear
- 15 kt
- 0-1 km storm-relative helicity
- -40 m²/s²
- 0-3 km storm-relative helicity
- -28 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
091 WWHW70 PHFO 102103 NPWHFO URGENT - WEATHER MESSAGE National Weather Service Honolulu HI 1103 AM HST Tue Mar 10 2026 HIZ027-102215- /O.CAN.PHFO.AF.Y.0004.000000T0000Z-260311T0300Z/ Big Island Interior- 1103 AM HST Tue Mar 10 2026 ...ASHFALL ADVISORY REPLACED WITH ASHFALL WARNING... The Ashfall Advisory has been replaced with an Ashfall Warning. Submit your reports and photos of ashfall from volcanic eruptions to the USGS Hawaiian Volcano Observatory at: Hawaiiash.science/report_form $$ HIZ052-053-110300- /O.UPG.PHFO.AF.Y.0004.000000T0000Z-260311T0300Z/ /O.NEW.PHFO.AF.W.0002.260310T2103Z-260311T0300Z/ Big Island Southeast-Big Island East- 1103 AM HST Tue Mar 10 2026 ...ASHFALL WARNING IN EFFECT UNTIL 5 PM THIS AFTERNOON FOR HAWAII VOLCANOES NATIONAL PARK AND AREAS TO THE NORTHEAST INCLUDING MOUNTAIN VIEW AND GLENWOOD, AND EXTENDING TO THE SOUTHWEST... * WHAT...A significant eruption is occurring at Kilauea with more than quarter inch of ashfall accumulation in Hawaii Volcanoes National Park and areas to the northeast including Mountain View and Glenwood, and extending to the southwest. * WHERE...Hawaii Volcanoes National Park and areas to the northeast including Mountain View and Glenwood, and extending to the southwest. * WHEN...Until 5 PM this afternoon. * IMPACTS...Disruption of services and utilities (water, sewer, electric) possible. Ash removal efforts significant. PRECAUTIONARY/PREPAREDNESS ACTIONS... Seal windows and doors. Protect electronics and cover air intakes and open water sources. Avoid driving. Remain indoors unless absolutely necessary. Use extreme caution clearing rooftops of ash. Listen to further announcements. && Submit your reports and photos of ashfall from volcanic eruptions to the USGS Hawaiian Volcano Observatory at: Hawaiiash.science/report_form $$ M BALLARD
4 follow-up statements
220 WWHW70 PHFO 102129 NPWHFO URGENT - WEATHER MESSAGE National Weather Service Honolulu HI 1129 AM HST Tue Mar 10 2026 HIZ052-053-110300- /O.CON.PHFO.AF.W.0002.000000T0000Z-260311T0300Z/ Big Island Southeast-Big Island East- 1129 AM HST Tue Mar 10 2026 ...ASHFALL WARNING REMAINS IN EFFECT UNTIL 5 PM THIS AFTERNOON FOR HAWAII VOLCANOES NATIONAL PARK AND AREAS TO THE NORTHEAST INCLUDING MOUNTAIN VIEW, VOLCANO, AND GLENWOOD, AND EXTENDING TO THE SOUTHEAST AND SOUTHWEST... * WHAT...A significant eruption is occurring at Kilauea with more than quarter inch of ashfall accumulation for Hawaii Volcanoes National Park and areas to the northeast including Mountain View, Volcano, and Glenwood, and extending to the southeast and southwest. * WHERE...Hawaii Volcanoes National Park and areas to the northeast including Mountain View, Volcano, and Glenwood, and extending to the southeast and southwest. * WHEN...Until 5 PM this afternoon. * IMPACTS...Disruption of services and utilities (water, sewer, electric) possible. Ash removal efforts significant. PRECAUTIONARY/PREPAREDNESS ACTIONS... Seal windows and doors. Protect electronics and cover air intakes and open water sources. Avoid driving. Remain indoors unless absolutely necessary. Use extreme caution clearing rooftops of ash. Listen to further announcements. && Submit your reports and photos of ashfall from volcanic eruptions to the USGS Hawaiian Volcano Observatory at: Hawaiiash.science/report_form $$ M BALLARD
547 WWHW70 PHFO 102330 NPWHFO URGENT - WEATHER MESSAGE National Weather Service Honolulu HI 130 PM HST Tue Mar 10 2026 HIZ053-110300- /O.CAN.PHFO.AF.W.0002.000000T0000Z-260311T0300Z/ /O.NEW.PHFO.AF.Y.0005.260310T2330Z-260311T0300Z/ Big Island East- 130 PM HST Tue Mar 10 2026 ...ASHFALL ADVISORY IN EFFECT UNTIL 5 PM THIS AFTERNOON NORTH AND EAST OF VOLCANOES NATIONAL PARK, INCLUDING MOUNTAIN VIEW, GLENWOOD, KEAAU AND HILO... * WHAT...Kilauea is undergoing a minor eruption where the public will be affected by a limited hazard extent such as less than quarter inch of ashfall accumulation to the areas north and east of Volcanoes National Park, including Mountain View, Glenwood, Keaau and Hilo. * WHERE...North and east of Volcanoes National Park, including Mountain View, Glenwood, Keaau and Hilo. * WHEN...Until 5 PM this afternoon. * IMPACTS...Possible harm to crops and animals. Minor equipment and infrastructure damage. Reduced visibility. Widespread clean-up may be necessary. PRECAUTIONARY/PREPAREDNESS ACTIONS... Persons with respiratory illnesses should remain indoors to avoid inhaling the ash particles and all persons outside should cover their mouth and nose with a mask or cloth. && Submit your reports and photos of ashfall from volcanic eruptions to the USGS Hawaiian Volcano Observatory at: Hawaiiash.science/report_form $$ HIZ052-110300- /O.CON.PHFO.AF.W.0002.000000T0000Z-260311T0300Z/ Big Island Southeast- 130 PM HST Tue Mar 10 2026 ...ASHFALL WARNING REMAINS IN EFFECT UNTIL 5 PM THIS AFTERNOON HAWAII VOLCANOES NATIONAL PARK AND AREAS TO THE SOUTHEAST AND SOUTHWEST... * WHAT...A significant eruption is occurring at Kilauea with more than quarter inch of ashfall accumulation to Hawaii Volcanoes National Park and extending to the southeast and southwest. * WHERE...Hawaii Volcanoes National Park and extending to the southeast and southwest. * WHEN...Until 5 PM this afternoon. * IMPACTS...Disruption of services and utilities (water, sewer, electric) possible. Ash removal efforts significant. PRECAUTIONARY/PREPAREDNESS ACTIONS... Seal windows and doors. Protect electronics and cover air intakes and open water sources. Avoid driving. Remain indoors unless absolutely necessary. Use extreme caution clearing rooftops of ash. Listen to further announcements. && Submit your reports and photos of ashfall from volcanic eruptions to the USGS Hawaiian Volcano Observatory at: Hawaiiash.science/report_form $$ HIZ022-028-111230- /O.NEW.PHFO.HW.A.0003.260313T0400Z-260316T0400Z/ Haleakala Summit-Big Island Summits- 130 PM HST Tue Mar 10 2026 ...HIGH WIND WATCH IN EFFECT FROM THURSDAY EVENING THROUGH SUNDAY AFTERNOON... * WHAT...Southwest winds 45 to 65 mph with gusts up to 85 mph possible. * WHERE...Haleakala Summit and Big Island Summits. * WHEN...From Thursday evening through Sunday afternoon. * IMPACTS...Winds this strong can make driving and walking dangerous. The winds can forcefully open doors and damage hinges or slam doors shut, possibly causing injuries. PRECAUTIONARY/PREPAREDNESS ACTIONS... A High Wind Watch for the summits means that strong and potentially damaging winds in excess of 56 mph with frequent gusts over 66 mph are expected but not yet occurring. Take precautions now to protect property. Tie down loose objects or move them to a sheltered location. && $$ M BALLARD
639 WWHW70 PHFO 110247 NPWHFO URGENT - WEATHER MESSAGE National Weather Service Honolulu HI 447 PM HST Tue Mar 10 2026 HIZ052-110900- /O.EXT.PHFO.AF.W.0002.000000T0000Z-260311T0900Z/ Big Island Southeast- 447 PM HST Tue Mar 10 2026 ...ASHFALL WARNING NOW IN EFFECT UNTIL 11 PM THIS EVENING FOR HAWAII VOLCANOES NATIONAL PARK AND EXTENDING TO THE SOUTHEAST AND SOUTHWEST... * WHAT...A significant eruption is occurring at Kilauea with more than quarter inch of ashfall accumulation in Hawaii Volcanoes National Park and extending to the southeast and southwest. * WHERE...Hawaii Volcanoes National Park and extending to the southeast and southwest. * WHEN...Until 11 PM this evening. * IMPACTS...Disruption of services and utilities (water, sewer, electric) possible. Ash removal efforts significant. PRECAUTIONARY/PREPAREDNESS ACTIONS... Seal windows and doors. Protect electronics and cover air intakes and open water sources. Avoid driving. Remain indoors unless absolutely necessary. Use extreme caution clearing rooftops of ash. Listen to further announcements. && Submit your reports and photos of ashfall from volcanic eruptions to the USGS Hawaiian Volcano Observatory at: Hawaiiash.science/report_form $$ HIZ053-110900- /O.EXT.PHFO.AF.Y.0005.000000T0000Z-260311T0900Z/ Big Island East- 447 PM HST Tue Mar 10 2026 ...ASHFALL ADVISORY NOW IN EFFECT UNTIL 11 PM THIS EVENING NORTH AND EAST OF VOLCANOES NATIONAL PARK, INCLUDING MOUNTAIN VIEW, GLENWOOD, KEAAU AND HILO... * WHAT...Kilauea is undergoing a minor eruption where the public will be affected by a limited hazard extent such as less than quarter inch of ashfall accumulation north and east of Volcanoes National Park, including Mountain View, Glenwood, Keaau and Hilo. * WHERE...North and east of Volcanoes National Park, including Mountain View, Glenwood, Keaau and Hilo. * WHEN...Until 11 PM this evening. * IMPACTS...Possible harm to crops and animals. Minor equipment and infrastructure damage. Reduced visibility. Widespread clean-up may be necessary. PRECAUTIONARY/PREPAREDNESS ACTIONS... Persons with respiratory illnesses should remain indoors to avoid inhaling the ash particles and all persons outside should cover their mouth and nose with a mask or cloth. && Submit your reports and photos of ashfall from volcanic eruptions to the USGS Hawaiian Volcano Observatory at: Hawaiiash.science/report_form $$ HIZ022-028-111600- /O.CON.PHFO.HW.A.0003.260313T0400Z-260316T0400Z/ Haleakala Summit-Big Island Summits- 447 PM HST Tue Mar 10 2026 ...HIGH WIND WATCH REMAINS IN EFFECT FROM THURSDAY EVENING THROUGH SUNDAY AFTERNOON... * WHAT...Southwest winds 45 to 65 mph with gusts up to 85 mph possible. * WHERE...Haleakala Summit and Big Island Summits. * WHEN...From Thursday evening through Sunday afternoon. * IMPACTS...Winds this strong can make driving and walking dangerous. The winds can forcefully open doors and damage hinges or slam doors shut, possibly causing injuries. PRECAUTIONARY/PREPAREDNESS ACTIONS... A High Wind Watch for the summits means that strong and potentially damaging winds in excess of 56 mph with frequent gusts over 66 mph are expected but not yet occurring. Take precautions now to protect property. Tie down loose objects or move them to a sheltered location. && $$ M BALLARD
067 WWHW70 PHFO 110409 NPWHFO URGENT - WEATHER MESSAGE National Weather Service Honolulu HI 609 PM HST Tue Mar 10 2026 HIZ052-110900- /O.CAN.PHFO.AF.W.0002.000000T0000Z-260311T0900Z/ /O.EXA.PHFO.AF.Y.0005.000000T0000Z-260311T0900Z/ Big Island Southeast- 609 PM HST Tue Mar 10 2026 ...ASHFALL ADVISORY IN EFFECT UNTIL 11 PM HST THIS EVENING HAWAII VOLCANOES NATIONAL PARK AND EXTENDING TO THE SOUTHEAST AND SOUTHWEST... ...ASHFALL WARNING IS CANCELLED... * WHAT...The significant eruption from earlier have decreased and reports from the communities surrounding Kilauea summit indicate that fallout has decreased in size and frequency. Minor accumulation of ashfall is still expected through this evening. * WHERE...Big Island Southeast. * WHEN...Until 11 PM HST this evening. * IMPACTS...Possible harm to crops and animals. Minor equipment and infrastructure damage. Reduced visibility. Widespread clean-up may be necessary. PRECAUTIONARY/PREPAREDNESS ACTIONS... Persons with respiratory illnesses should remain indoors to avoid inhaling the ash particles and all persons outside should cover their mouth and nose with a mask or cloth. && Submit your reports and photos of ashfall from volcanic eruptions to the USGS Hawaiian Volcano Observatory at: Hawaiiash.science/report_form $$ HIZ053-110900- /O.CON.PHFO.AF.Y.0005.000000T0000Z-260311T0900Z/ Big Island East- 609 PM HST Tue Mar 10 2026 ...ASHFALL ADVISORY REMAINS IN EFFECT UNTIL 11 PM HST THIS EVENING NORTH AND EAST OF VOLCANOES NATIONAL PARK, INCLUDING MOUNTAIN VIEW, GLENWOOD, KEAAU AND HILO... * WHAT...The significant eruption from earlier have decreased and reports from the communities surrounding Kilauea summit indicate that fallout has decreased in size and frequency. Minor accumulation of ashfall is still expected through this evening for north and east of Volcanoes National Park, including Mountain View, Glenwood, Keaau and Hilo. * WHERE...Big Island East. * WHEN...Until 11 PM HST this evening. * IMPACTS...Possible harm to crops and animals. Minor equipment and infrastructure damage. Reduced visibility. Widespread clean-up may be necessary. PRECAUTIONARY/PREPAREDNESS ACTIONS... 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. && Submit your reports and photos of ashfall from volcanic eruptions to the USGS Hawaiian Volcano Observatory at: Hawaiiash.science/report_form $$ HIZ022-028-111715- /O.CON.PHFO.HW.A.0003.260313T0400Z-260316T0400Z/ Haleakala Summit-Big Island Summits- 609 PM HST Tue Mar 10 2026 ...HIGH WIND WATCH REMAINS IN EFFECT FROM THURSDAY EVENING THROUGH SUNDAY AFTERNOON... * WHAT...Southwest winds 45 to 65 mph with gusts up to 85 mph possible. * WHERE...Haleakala Summit and Big Island Summits. * WHEN...From Thursday evening through Sunday afternoon. * IMPACTS...Winds this strong can make driving and walking dangerous. The winds can forcefully open doors and damage hinges or slam doors shut, possibly causing injuries. PRECAUTIONARY/PREPAREDNESS ACTIONS... A High Wind Watch for the summits means that strong and potentially damaging winds in excess of 56 mph with frequent gusts over 66 mph are expected but not yet occurring. Take precautions now to protect property. Tie down loose objects or move them to a sheltered location. && $$ KINO
The office that day
Everything else NWS Honolulu, HI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 9, 3:39 PM HST | Small Craft Advisory | HFO | 48 hr | |
| Mar 10, 10:40 AM HST | Ashfall Advisory | HFO | Hawaii | 23 min |
| Mar 10, 1:30 PM HST | Ashfall Advisory | HFO | Hawaii | 6 hr |
| Mar 10, 1:30 PM HST | High Wind Watch | HFO | Hawaii, Honolulu, Kauai, Kalawao | 61 hr |
Nearby
Ashfall Warnings in Hawaii, 2026Every ashfall warning in 2026
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.