Alert archive / Hawaii / High Wind Warnings in 2021
High Wind Warning 2, NWS Honolulu, HI
NWS Honolulu, HI issued this high wind warning at Nov 28, 2021, 1:53 PM HST for Hawaii County, Hawaii. It took effect at Nov 28, 2021, 8:00 PM HST. It was in force for 20 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
- Nov 28, 2021, 1:53 PM HST (23:53 UTC)
- In effect from
- Nov 28, 2021, 8:00 PM HST
- Expired
- Nov 29, 2021, 3:52 PM HST
- In force
- 20 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 23:55 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, 11.9 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
- 45 J/kg
- Mixed-layer CIN
- -431 J/kg
- Mixed-layer LCL
- 713 m above ground
- 0-6 km bulk shear
- 23 kt
- 0-1 km storm-relative helicity
- -2 m²/s²
- 0-3 km storm-relative helicity
- 22 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
157 WWHW70 PHFO 282353 NPWHFO URGENT - WEATHER MESSAGE National Weather Service Honolulu HI 153 PM HST Sun Nov 28 2021 HIZ028-300015- /O.UPG.PHFO.HW.A.0001.211129T0600Z-211130T0400Z/ /O.NEW.PHFO.HW.W.0002.211129T0600Z-211130T0000Z/ Big Island Summits- Including the city of Mauna Loa and Mauna Kea Above 8000 feet 153 PM HST Sun Nov 28 2021 ...HIGH WIND WARNING IN EFFECT FROM 8 PM THIS EVENING TO 2 PM HST MONDAY... * WHAT...North winds 50 to 60 mph with gusts up to 65 mph are expected. * WHERE...Big Island summits of Mauna Kea and Mauna Loa. * WHEN...From this evening through early Monday afternoon. * IMPACTS...Winds this strong can blow away unsecured objects and make it difficult to drive, especially for high profile vehicles. PRECAUTIONARY/PREPAREDNESS ACTIONS... Be prepared for road-closures. Postpone travel to the summits until conditions improve. && $$ HIZ022-300000- /O.NEW.PHFO.WI.Y.0019.211129T0600Z-211130T0000Z/ Haleakala Summit- Including the city of Haleakala National Park Above 6000 feet 153 PM HST Sun Nov 28 2021 ...WIND ADVISORY IN EFFECT FROM 8 PM THIS EVENING TO 2 PM HST MONDAY... * WHAT...Northeast winds 45 to 50 mph with gusts around 55 mph are expected. * WHERE...Haleakala Summit. * WHEN...From this evening through early Monday afternoon. * IMPACTS...Winds this strong can blow away unsecured objects and make it difficult to drive, especially for high profile vehicles. PRECAUTIONARY/PREPAREDNESS ACTIONS... Consider postponing travel to the summits until conditions improve. If you must travel to the summits, use extra caution walking and driving. Be careful opening or closing doors. && $$
2 follow-up statements
189 WWHW70 PHFO 291336 NPWHFO URGENT - WEATHER MESSAGE National Weather Service Honolulu HI 336 AM HST Mon Nov 29 2021 HIZ028-300245- /O.EXT.PHFO.HW.W.0002.000000T0000Z-211130T0400Z/ Big Island Summits- Including the city of Mauna Loa and Mauna Kea Above 8000 feet 336 AM HST Mon Nov 29 2021 ...HIGH WIND WARNING NOW IN EFFECT UNTIL 6 PM HST THIS EVENING... * WHAT...North winds 50 to 60 mph with gusts up to 65 mph are expected. * WHERE...Big Island summits of Mauna Kea and Mauna Loa. * WHEN...Until 6 PM HST this evening. * IMPACTS...Winds this strong can blow away unsecured objects and make it difficult to drive, especially for high profile vehicles. PRECAUTIONARY/PREPAREDNESS ACTIONS... Be prepared for road-closures. Postpone travel to the summits until conditions improve. A High Wind Warning means that winds at the summits are expected to be at least 56 mph, with gusts over 66 mph. Take necessary precautions to protect property. Travel to summit areas should be delayed until winds subside. && $$ HIZ003-004-006-011-015>018-026-029-031>034-036>044-046-048>050- 054-300245- /O.EXB.PHFO.WI.Y.0019.000000T0000Z-211130T0400Z/ Kauai Southwest-Kauai Mountains-Waianae Coast-Waianae Mountains- Lanai Mauka-Kahoolawe-Maui Windward West-Maui Leeward West-Kohala- Kauai North-Kauai South-East Honolulu-Honolulu Metro-Ewa Plain- Koolau Leeward-Molokai Windward-Molokai Southeast-Molokai North- Molokai West-Molokai Leeward South-Lanai Windward-Lanai Leeward- Lanai South-Maui Central Valley South-Kipahulu- South Maui/Upcountry-South Haleakala-Big Island North- Including the cities of Waimea, Waimea Canyon State Park, Hanapepe, Kekaha, Barking Sands, Kokee State Park, Nanakuli, Waianae, Makaha, Makakilo, Lanai City, Wailuku, Lahaina, Kaanapali, Kawaihae, Waikoloa, Waikii, Puuanahulu, Princeville, Hanalei, Na Pali State Park, Poipu, Kalaheo, Koloa, Hawaii Kai, Aina Haina, Kahala, Honolulu, Waikiki, Kapolei, Nuuanu, Manoa, Palolo, Kalaupapa, Halawa Valley, Pukoo, Hoolehua, Kepuhi, Kaunakakai, Maunaloa, Shipwreck Beach, Kaumalapau Harbor, Manele, Maalaea, Hamoa, Kihei, Makena, Pukalani, Kula, Ulupalakua, Kipahulu, Kaupo, Honokaa, Kamuela, Waipio Valley, and Hawi 336 AM HST Mon Nov 29 2021 ...WIND ADVISORY IN EFFECT UNTIL 6 PM HST THIS EVENING... * WHAT...Northeast winds 30 to 40 mph with gusts around 55 mph are expected. * WHERE...Leeward and mountain portions of Kahoolawe, Kauai, Lanai, Maui, Molokai, Oahu and the Big Island Hawaii. * WHEN...Until 6 PM HST this evening. * IMPACTS...Winds this strong can blow away unsecured objects and make it difficult to drive, especially for high profile vehicles. PRECAUTIONARY/PREPAREDNESS ACTIONS... Watch out for falling tree branches when walking or driving. Make sure tents and awnings are secure or take them down. Be prepared for power outages. && $$ HIZ022-300245- /O.EXT.PHFO.WI.Y.0019.000000T0000Z-211130T0400Z/ Haleakala Summit- Including the city of Haleakala National Park Above 6000 feet 336 AM HST Mon Nov 29 2021 ...WIND ADVISORY NOW IN EFFECT UNTIL 6 PM HST THIS EVENING... * WHAT...Northeast winds 45 to 50 mph with gusts around 60 mph are expected. * WHERE...Haleakala Summit. * WHEN...Until 6 PM HST this evening. * IMPACTS...Winds this strong can blow away unsecured objects and make it difficult to drive, especially for high profile vehicles. 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. && $$ RCB
558 WWHW70 PHFO 300152 NPWHFO URGENT - WEATHER MESSAGE National Weather Service Honolulu HI 352 PM HST Mon Nov 29 2021 HIZ028-300300- /O.CAN.PHFO.HW.W.0002.000000T0000Z-211130T0400Z/ Big Island Summits- Including the city of Mauna Loa and Mauna Kea Above 8000 feet 352 PM HST Mon Nov 29 2021 ...HIGH WIND WARNING IS CANCELLED... Winds at the summits have eased. $$ HIZ003-004-006-011-015>018-022-026-029-031>034-036>044-046- 048>050-054-300300- /O.CAN.PHFO.WI.Y.0019.000000T0000Z-211130T0400Z/ Kauai Southwest-Kauai Mountains-Waianae Coast-Waianae Mountains- Lanai Mauka-Kahoolawe-Maui Windward West-Maui Leeward West- Haleakala Summit-Kohala-Kauai North-Kauai South-East Honolulu- Honolulu Metro-Ewa Plain-Koolau Leeward-Molokai Windward- Molokai Southeast-Molokai North-Molokai West- Molokai Leeward South-Lanai Windward-Lanai Leeward-Lanai South- Maui Central Valley South-Kipahulu-South Maui/Upcountry- South Haleakala-Big Island North- Including the cities of Waimea, Waimea Canyon State Park, Hanapepe, Kekaha, Barking Sands, Kokee State Park, Nanakuli, Waianae, Makaha, Makakilo, Lanai City, Wailuku, Lahaina, Kaanapali, Haleakala National Park Above 6000 feet, Kawaihae, Waikoloa, Waikii, Puuanahulu, Princeville, Hanalei, Na Pali State Park, Poipu, Kalaheo, Koloa, Hawaii Kai, Aina Haina, Kahala, Honolulu, Waikiki, Kapolei, Nuuanu, Manoa, Palolo, Kalaupapa, Halawa Valley, Pukoo, Hoolehua, Kepuhi, Kaunakakai, Maunaloa, Shipwreck Beach, Kaumalapau Harbor, Manele, Maalaea, Hamoa, Kihei, Makena, Pukalani, Kula, Ulupalakua, Kipahulu, Kaupo, Honokaa, Kamuela, Waipio Valley, and Hawi 352 PM HST Mon Nov 29 2021 ...WIND ADVISORY IS CANCELLED... Winds have dropped below advisory levels. $$
The office that day
Everything else NWS Honolulu, HI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Nov 27, 3:35 PM HST | Small Craft Advisory | HFO | 3 days | |
| Nov 28, 3:52 AM HST | High Wind Watch | HFO | Hawaii | 10 hr |
| Nov 28, 1:53 PM HST | Wind Advisory | HFO | Hawaii, Honolulu, Kauai, Kalawao | 26 hr |
Nearby
High Wind Warnings in Hawaii, 2021Every high wind warning in 2021
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.