Alert archive / Hawaii / Wind Advisories in 2021
Wind Advisory 20, NWS Honolulu, HI
NWS Honolulu, HI issued this wind advisory at Dec 2, 2021, 3:26 PM HST for Kauai County, Kalawao County, Hawaii. It took effect at Dec 3, 2021, 3:10 AM HST. It was in force for 33 hr.
The area
The counties it named.
The facts
- Issued
- Dec 2, 2021, 3:26 PM HST (01:26 UTC)
- In effect from
- Dec 3, 2021, 3:10 AM HST
- Expired
- Dec 4, 2021, 11:48 AM HST
- In force
- 33 hr
- Issued by
- NWS Honolulu, HI
Counties Kalawao County, HI, Kauai County, HI
The radar
The Molokai radar (PHMO), 130 km from the middle of the area, began a volume at 01:27 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
Lihue, (PHLI), launched 00:00Z, 1.4 hours before the alert went out and 114 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
- 159 J/kg
- Mixed-layer CIN
- -15 J/kg
- Mixed-layer LCL
- 845 m above ground
- 0-6 km bulk shear
- 22 kt
- 0-1 km storm-relative helicity
- -3 m²/s²
- 0-3 km storm-relative helicity
- 18 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
036 WWHW70 PHFO 030126 NPWHFO URGENT - WEATHER MESSAGE National Weather Service Honolulu HI 326 PM HST Thu Dec 2 2021 ...HIGH WIND WARNING FOR THE BIG ISLAND SUMMITS... HIZ028-031430- /O.UPG.PHFO.HW.A.0002.211204T0400Z-211206T1600Z/ /O.NEW.PHFO.HW.W.0003.211204T0400Z-211206T1600Z/ Big Island Summits- Including the city of Mauna Loa and Mauna Kea Above 8000 feet 326 PM HST Thu Dec 2 2021 ...HIGH WIND WARNING IN EFFECT FROM 6 PM FRIDAY TO 6 AM HST MONDAY... * WHAT...Southwest winds 50 to 80 mph with localized gusts over 100 mph expected. * WHERE...Big Island Summits. * WHEN...From 6 PM Friday to 6 AM HST Monday. * IMPACTS...Winds this strong will make driving and walking extremely dangerous. The winds can cause significant damage or injuries. PRECAUTIONARY/PREPAREDNESS ACTIONS... Be prepared for road-closures. Postpone travel to the summits until conditions improve. && $$ HIZ001-003-004-029>031-031430- /O.NEW.PHFO.WI.Y.0020.211203T1600Z-211204T0400Z/ Niihau-Kauai Southwest-Kauai Mountains-Kauai North-Kauai East- Kauai South- Including the cities of Waimea, Waimea Canyon State Park, Hanapepe, Kekaha, Barking Sands, Kokee State Park, Princeville, Hanalei, Na Pali State Park, Lihue, Kapaa, Anahola, Poipu, Kalaheo, and Koloa 326 PM HST Thu Dec 2 2021 ...WIND ADVISORY IN EFFECT FROM 6 AM TO 6 PM HST FRIDAY... * WHAT...North winds 30 to 35 mph with localized gusts over 55 mph expected. * WHERE...Portions of Kauai and Niihau Hawaii. * WHEN...From 6 AM to 6 PM HST Friday. * IMPACTS...Winds this strong can tear off shingles, knock down tree branches, blow away tents and awnings and make it difficult to steer, especially for drivers of high profile vehicles. PRECAUTIONARY/PREPAREDNESS ACTIONS... Watch out for falling tree branches when walking or driving. Make sure tents and awnings are secure or take them down. Be prepared for power outages. && $$ HIZ022-031430- /O.NEW.PHFO.WI.Y.0020.211204T0400Z-211206T1600Z/ Haleakala Summit- Including the city of Haleakala National Park Above 6000 feet 326 PM HST Thu Dec 2 2021 ...WIND ADVISORY IN EFFECT FROM 6 PM FRIDAY TO 6 AM HST MONDAY... * WHAT...Southwest winds 35 to 55 mph with localized gusts over 65 mph expected. * WHERE...Haleakala Summit. * WHEN...From 6 PM Friday to 6 AM HST Monday. * IMPACTS...Winds this strong can make driving and walking difficult. The winds can forcefully open doors and damage hinges or slam doors shut, possibly causing injuries. PRECAUTIONARY/PREPAREDNESS ACTIONS... Consider postponing travel to the summits until conditions improve. If you must travel to the summits, use extra caution walking and driving. Be careful opening or closing doors. && $$ BURKE
5 follow-up statements
280 WWHW70 PHFO 031310 NPWHFO URGENT - WEATHER MESSAGE National Weather Service Honolulu HI 310 AM HST Fri Dec 3 2021 ...HIGH WIND WARNING FOR THE BIG ISLAND SUMMITS... HIZ028-040215- /O.CON.PHFO.HW.W.0003.211204T0400Z-211206T1600Z/ Big Island Summits- Including the city of Mauna Loa and Mauna Kea Above 8000 feet 310 AM HST Fri Dec 3 2021 ...HIGH WIND WARNING REMAINS IN EFFECT FROM 6 PM THIS EVENING TO 6 AM HST MONDAY... * WHAT...Southwest winds 50 to 80 mph with localized gusts over 100 mph expected. * WHERE...Big Island Summits. * WHEN...From 6 PM this evening to 6 AM HST Monday. * IMPACTS...Winds this strong will make driving and walking extremely dangerous. The winds can cause significant damage or injuries. PRECAUTIONARY/PREPAREDNESS ACTIONS... Be prepared for road-closures. Postpone travel to the summits until conditions improve. && $$ HIZ001-003-004-029>031-040215- /O.EXT.PHFO.WI.Y.0020.211203T1310Z-211204T0400Z/ Niihau-Kauai Southwest-Kauai Mountains-Kauai North-Kauai East- Kauai South- Including the cities of Waimea, Waimea Canyon State Park, Hanapepe, Kekaha, Barking Sands, Kokee State Park, Princeville, Hanalei, Na Pali State Park, Lihue, Kapaa, Anahola, Poipu, Kalaheo, and Koloa 310 AM HST Fri Dec 3 2021 ...WIND ADVISORY NOW IN EFFECT UNTIL 6 PM HST THIS EVENING... * WHAT...North winds 30 to 35 mph with localized gusts over 55 mph expected. * WHERE...Portions of Kauai and Niihau Hawaii. * WHEN...Until 6 PM HST this evening. * IMPACTS...Winds this strong can tear off shingles, knock down tree branches, blow away tents and awnings and make it difficult to steer, especially for drivers of high profile vehicles. PRECAUTIONARY/PREPAREDNESS ACTIONS... Watch out for falling tree branches when walking or driving. Make sure tents and awnings are secure or take them down. Be prepared for power outages. && $$ HIZ022-040215- /O.CON.PHFO.WI.Y.0020.211204T0400Z-211206T1600Z/ Haleakala Summit- Including the city of Haleakala National Park Above 6000 feet 310 AM HST Fri Dec 3 2021 ...WIND ADVISORY REMAINS IN EFFECT FROM 6 PM THIS EVENING TO 6 AM HST MONDAY... * WHAT...Southwest winds 35 to 55 mph with localized gusts over 65 mph expected. * WHERE...Haleakala Summit. * WHEN...From 6 PM this evening to 6 AM HST Monday. * IMPACTS...Winds this strong can make driving and walking difficult. The winds can forcefully open doors and damage hinges or slam doors shut, possibly causing injuries. PRECAUTIONARY/PREPAREDNESS ACTIONS... Consider postponing travel to the summits until conditions improve. If you must travel to the summits, use extra caution walking and driving. Be careful opening or closing doors. && $$
057 WWHW70 PHFO 040144 NPWHFO URGENT - WEATHER MESSAGE National Weather Service Honolulu HI 344 PM HST Fri Dec 3 2021 HIZ028-050415- /O.EXT.PHFO.HW.W.0003.211204T0144Z-211206T1600Z/ Big Island Summits- Including the city of Mauna Loa and Mauna Kea Above 8000 feet 344 PM HST Fri Dec 3 2021 ...HIGH WIND WARNING NOW IN EFFECT UNTIL 6 AM HST MONDAY... * WHAT...Southwest winds 50 to 80 mph with localized gusts over 100 mph expected. * WHERE...Big Island Summits. * WHEN...Until 6 AM HST Monday. * IMPACTS...Winds this strong will make driving and walking extremely dangerous. The winds can cause significant damage or injuries. PRECAUTIONARY/PREPAREDNESS ACTIONS... Be prepared for road-closures. Postpone travel to the summits until conditions improve. && $$ HIZ001-003-004-029>031-040800- /O.EXT.PHFO.WI.Y.0020.000000T0000Z-211204T0800Z/ Niihau-Kauai Southwest-Kauai Mountains-Kauai North-Kauai East- Kauai South- Including the cities of Waimea, Waimea Canyon State Park, Hanapepe, Kekaha, Barking Sands, Kokee State Park, Princeville, Hanalei, Na Pali State Park, Lihue, Kapaa, Anahola, Poipu, Kalaheo, and Koloa 344 PM HST Fri Dec 3 2021 ...WIND ADVISORY NOW IN EFFECT UNTIL 10 PM HST THIS EVENING... * WHAT...North winds 30 to 35 mph with localized gusts over 55 mph expected. * WHERE...Portions of Kauai and Niihau Hawaii. * WHEN...Until 10 PM HST this evening. * IMPACTS...Winds this strong can tear off shingles, knock down tree branches, blow away tents and awnings and make it difficult to steer, especially for drivers of high profile vehicles. PRECAUTIONARY/PREPAREDNESS ACTIONS... Watch out for falling tree branches when walking or driving. Make sure tents and awnings are secure or take them down. Be prepared for power outages. && $$ HIZ022-050415- /O.EXT.PHFO.WI.Y.0020.211204T0144Z-211206T1600Z/ Haleakala Summit- Including the city of Haleakala National Park Above 6000 feet 344 PM HST Fri Dec 3 2021 ...WIND ADVISORY NOW IN EFFECT UNTIL 6 AM HST MONDAY... * WHAT...Southwest winds 35 to 55 mph with localized gusts over 65 mph expected. * WHERE...Haleakala Summit. * WHEN...Until 6 AM HST Monday. * IMPACTS...Winds this strong can make driving and walking difficult. The winds can forcefully open doors and damage hinges or slam doors shut, possibly causing injuries. PRECAUTIONARY/PREPAREDNESS ACTIONS... Consider postponing travel to the summits until conditions improve. If you must travel to the summits, use extra caution walking and driving. Be careful opening or closing doors. && $$
828 WWHW70 PHFO 040801 NPWHFO URGENT - WEATHER MESSAGE National Weather Service Honolulu HI 1001 PM HST Fri Dec 3 2021 HIZ001-003-004-029>031-040915- /O.EXP.PHFO.WI.Y.0020.000000T0000Z-211204T0800Z/ Niihau-Kauai Southwest-Kauai Mountains-Kauai North-Kauai East- Kauai South- Including the cities of Waimea, Waimea Canyon State Park, Hanapepe, Kekaha, Barking Sands, Kokee State Park, Princeville, Hanalei, Na Pali State Park, Lihue, Kapaa, Anahola, Poipu, Kalaheo, and Koloa 1001 PM HST Fri Dec 3 2021 ...WIND ADVISORY IS CANCELLED... The strong northerly winds over Kauai and Niihau have eased this evening. $$ HIZ028-042115- /O.CON.PHFO.HW.W.0003.000000T0000Z-211206T1600Z/ Big Island Summits- Including the city of Mauna Loa and Mauna Kea Above 8000 feet 1001 PM HST Fri Dec 3 2021 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 6 AM HST MONDAY... * WHAT...Southwest winds 50 to 80 mph with localized gusts over 100 mph expected. * WHERE...Big Island Summits. * WHEN...Until 6 AM HST Monday. * IMPACTS...Winds this strong will make driving and walking extremely dangerous. The winds can cause significant damage or injuries. PRECAUTIONARY/PREPAREDNESS ACTIONS... Be prepared for road-closures. Postpone travel to the summits until conditions improve. && $$ HIZ022-042115- /O.CON.PHFO.WI.Y.0020.000000T0000Z-211206T1600Z/ Haleakala Summit- Including the city of Haleakala National Park Above 6000 feet 1001 PM HST Fri Dec 3 2021 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 6 AM HST MONDAY... * WHAT...Southwest winds 35 to 55 mph with localized gusts over 65 mph expected. * WHERE...Haleakala Summit. * WHEN...Until 6 AM HST Monday. * IMPACTS...Winds this strong can make driving and walking difficult. The winds can forcefully open doors and damage hinges or slam doors shut, possibly causing injuries. PRECAUTIONARY/PREPAREDNESS ACTIONS... Consider postponing travel to the summits until conditions improve. If you must travel to the summits, use extra caution walking and driving. Be careful opening or closing doors. && $$
809 WWHW70 PHFO 041342 NPWHFO URGENT - WEATHER MESSAGE National Weather Service Honolulu HI 342 AM HST Sat Dec 4 2021 HIZ028-050245- /O.CON.PHFO.HW.W.0003.000000T0000Z-211206T1600Z/ Big Island Summits- Including the city of Mauna Loa and Mauna Kea Above 8000 feet 342 AM HST Sat Dec 4 2021 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 6 AM HST MONDAY... * WHAT...Southwest winds 50 to 80 mph with localized gusts over 100 mph expected. * WHERE...Big Island Summits. * WHEN...Until 6 AM HST Monday. * IMPACTS...Winds this strong will make driving and walking extremely dangerous. The winds can cause significant damage or injuries. PRECAUTIONARY/PREPAREDNESS ACTIONS... Be prepared for road-closures. Postpone travel to the summits until conditions improve. && $$ HIZ022-050245- /O.CON.PHFO.WI.Y.0020.000000T0000Z-211206T1600Z/ Haleakala Summit- Including the city of Haleakala National Park Above 6000 feet 342 AM HST Sat Dec 4 2021 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 6 AM HST MONDAY... * WHAT...Southwest winds 35 to 55 mph with localized gusts over 65 mph expected. * WHERE...Haleakala Summit. * WHEN...Until 6 AM HST Monday. * IMPACTS...Winds this strong can make driving and walking difficult. The winds can forcefully open doors and damage hinges or slam doors shut, possibly causing injuries. PRECAUTIONARY/PREPAREDNESS ACTIONS... Consider postponing travel to the summits until conditions improve. If you must travel to the summits, use extra caution walking and driving. Be careful opening or closing doors. && $$
818 WWHW70 PHFO 042148 NPWHFO URGENT - WEATHER MESSAGE National Weather Service Honolulu HI 1148 AM HST Sat Dec 4 2021 ...HIGH WIND WARNING FOR THE SUMMITS OF HALEAKALA MAUNA LOA AND MAUNA KEA... HIZ022-051100- /O.UPG.PHFO.WI.Y.0020.000000T0000Z-211206T1600Z/ /O.EXA.PHFO.HW.W.0003.000000T0000Z-211206T1600Z/ Haleakala Summit- Including the city of Haleakala National Park Above 6000 feet 1148 AM HST Sat Dec 4 2021 ...HIGH WIND WARNING IN EFFECT UNTIL 6 AM HST MONDAY... * WHAT...Southwest winds 45 to 65 mph with localized gusts over 90 mph. * WHERE...Haleakala Summit. * WHEN...Until 6 AM HST Monday. * IMPACTS...Winds this strong can make driving and walking difficult. The winds can forcefully open doors and damage hinges or slam doors shut, possibly causing injuries. PRECAUTIONARY/PREPAREDNESS ACTIONS... Be prepared for road-closures. Postpone travel to the summits until conditions improve. && $$ HIZ028-051100- /O.CON.PHFO.HW.W.0003.000000T0000Z-211206T1600Z/ Big Island Summits- Including the city of Mauna Loa and Mauna Kea Above 8000 feet 1148 AM HST Sat Dec 4 2021 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 6 AM HST MONDAY... * WHAT...Southwest winds 50 to 80 mph with localized gusts over 100 mph. * WHERE...Big Island Summits. * WHEN...Until 6 AM HST Monday. * IMPACTS...Winds this strong will make driving and walking extremely dangerous. The winds can cause significant damage or injuries. PRECAUTIONARY/PREPAREDNESS ACTIONS... Be prepared for road-closures. Postpone travel to the summits until conditions improve. && $$ Kino
The office that day
Everything else NWS Honolulu, HI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 2, 3:04 PM HST | Flood Watch | HFO | Hawaii, Honolulu, Kauai, Kalawao | 5 days |
| Dec 2, 3:24 PM HST | Areal Flood Advisory | HFO | Kauai | 3 hr |
| Dec 2, 3:26 PM HST | Blizzard Warning | HFO | Hawaii | 3 days |
| Dec 2, 3:26 PM HST | High Wind Warning | HFO | Hawaii, Kalawao | 3 days |
| Dec 2, 3:32 PM HST | Gale Warning | HFO | 30 hr | |
| Dec 2, 3:32 PM HST | Small Craft Advisory | HFO | 14 days | |
| Dec 2, 4:02 PM HST | Areal Flood Advisory | HFO | Hawaii | 3 hr |
| Dec 3, 5:16 AM HST | Areal Flood Advisory | HFO | Kalawao | 3 hr |
| Dec 3, 9:08 AM HST | High Surf Warning | HFO | Hawaii, Honolulu, Kauai, Kalawao | 66 hr |
| Dec 3, 9:08 AM HST | High Surf Advisory | HFO | Hawaii, Honolulu, Kauai, Kalawao | 66 hr |
| Dec 3, 1:32 PM HST | Areal Flood Advisory | HFO | Kalawao | 3 hr |
Nearby
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.