Alert archive / Hawaii / Wind Advisories in 2021
Wind Advisory 2, NWS Honolulu, HI
NWS Honolulu, HI issued this wind advisory at Jan 22, 2021, 3:33 PM HST for 4 counties in Hawaii. It took effect at Jan 22, 2021, 5:00 PM HST. It was in force for 34 hr.
The area
The counties it named.
The facts
- Issued
- Jan 22, 2021, 3:33 PM HST (01:33 UTC)
- In effect from
- Jan 22, 2021, 5:00 PM HST
- Expired
- Jan 24, 2021, 3:20 AM HST
- In force
- 34 hr
- Issued by
- NWS Honolulu, HI
Counties Hawaii County, HI, Honolulu County, HI, Kalawao County, HI, Kauai County, HI
The radar
The Molokai radar (PHMO), 38 km from the middle of the area, began a volume at 01:34 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, 1.6 hours before the alert went out and 214 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
- 161 J/kg
- Mixed-layer CIN
- -92 J/kg
- Mixed-layer LCL
- 905 m above ground
- 0-6 km bulk shear
- 23 kt
- 0-1 km storm-relative helicity
- 57 m²/s²
- 0-3 km storm-relative helicity
- 119 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.0
The text
As transmitted.
314 WWHW70 PHFO 230133 NPWHFO URGENT - WEATHER MESSAGE National Weather Service Honolulu HI 333 PM HST Fri Jan 22 2021 ...WIND ADVISORY FOR PORTIONS OF ALL ISLANDS... HIZ003>005-008-009-011-012-014-016>018-020-021-024>027-231445- /O.NEW.PHFO.WI.Y.0002.210123T0300Z-210124T1600Z/ Kauai Leeward-Kauai Mountains-Oahu South Shore-Oahu Koolau- Olomana-Waianae Mountains-Molokai Windward-Lanai Makai-Kahoolawe- Maui Windward West-Maui Leeward West-Windward Haleakala- Leeward Haleakala-South Big Island-Big Island North and East- Kohala-Big Island Interior- Including the cities of Waimea, Hanapepe, Kokee State Park, Honolulu, Waikiki, Hawaii Kai, Kapolei, Kahuku, Punaluu, Laie, Kailua, Kaneohe, Waimanalo, Makakilo, Kalaupapa, Manele, Wailuku, Lahaina, Kaanapali, Haiku, Makawao, Hana, Kihei, Makena, Pukalani, Kula, South Point, Pahala, Hilo, Volcano, Honokaa, Kamuela, Waikoloa, Bradshaw Field, and Saddle Road Above 5000 feet 333 PM HST Fri Jan 22 2021 ...WIND ADVISORY IN EFFECT UNTIL 6 AM HST SUNDAY... * WHAT...East winds 20 to 30 mph with localized gusts over 45 mph expected. Winds will be strongest over and immediately downwind of the mountains. * WHERE...Portions of Kauai, Oahu, Molokai, Lanai, Maui and the Big Island. * WHEN...Until 6 AM HST Sunday. * IMPACTS...Winds this strong are capable of downing tents or other temporary structures, as well as downing trees and causing power outages. PRECAUTIONARY/PREPAREDNESS ACTIONS... Motorists should use extra caution. && $$ M Ballard
3 follow-up statements
233 WWHW70 PHFO 231335 NPWHFO URGENT - WEATHER MESSAGE National Weather Service Honolulu HI 335 AM HST Sat Jan 23 2021 ...WIND ADVISORY FOR PORTIONS OF ALL ISLANDS... HIZ003>005-008-009-011-012-014-016>018-020-021-024>027-240245- /O.CON.PHFO.WI.Y.0002.000000T0000Z-210124T1600Z/ Kauai Leeward-Kauai Mountains-Oahu South Shore-Oahu Koolau- Olomana-Waianae Mountains-Molokai Windward-Lanai Makai-Kahoolawe- Maui Windward West-Maui Leeward West-Windward Haleakala- Leeward Haleakala-South Big Island-Big Island North and East- Kohala-Big Island Interior- Including the cities of Waimea, Hanapepe, Kokee State Park, Honolulu, Waikiki, Hawaii Kai, Kapolei, Kahuku, Punaluu, Laie, Kailua, Kaneohe, Waimanalo, Makakilo, Kalaupapa, Manele, Wailuku, Lahaina, Kaanapali, Haiku, Makawao, Hana, Kihei, Makena, Pukalani, Kula, South Point, Pahala, Hilo, Volcano, Honokaa, Kamuela, Waikoloa, Bradshaw Field, and Saddle Road Above 5000 feet 335 AM HST Sat Jan 23 2021 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 6 AM HST SUNDAY... * WHAT...East winds 20 to 30 mph, with gusts to 50 mph expected. Winds will be strongest over and immediately downwind of the mountains. * WHERE...Portions of all islands. * WHEN...Until 6 AM HST Sunday. * IMPACTS...Winds this strong are capable of downing tents or other temporary structures, as well as downing trees and causing power outages. PRECAUTIONARY/PREPAREDNESS ACTIONS... Motorists, especially those in high profile vehicles, are urged to drive with extreme caution. && $$ Birchard
669 WWHW70 PHFO 240134 NPWHFO URGENT - WEATHER MESSAGE National Weather Service Honolulu HI 334 PM HST Sat Jan 23 2021 ...WIND ADVISORY FOR PORTIONS OF MAUI MOLOKAI KAHOOLAWE AND THE BIG ISLAND... ...WIND ADVISORY CANCELLED FOR KAUAI OAHU AND LANAI... HIZ003>005-008-009-011-014-026-027-240245- /O.CAN.PHFO.WI.Y.0002.000000T0000Z-210124T1600Z/ Kauai Leeward-Kauai Mountains-Oahu South Shore-Oahu Koolau- Olomana-Waianae Mountains-Lanai Makai-Kohala-Big Island Interior- Including the cities of Waimea, Hanapepe, Kokee State Park, Honolulu, Waikiki, Hawaii Kai, Kapolei, Kahuku, Punaluu, Laie, Kailua, Kaneohe, Waimanalo, Makakilo, Manele, Waikoloa, Bradshaw Field, and Saddle Road Above 5000 feet 334 PM HST Sat Jan 23 2021 ...WIND ADVISORY IS CANCELLED... Winds have fallen below advisory thresholds. Therefore the Wind Advisory has been cancelled.. $$ HIZ012-016>018-020-021-024-025-241600- /O.CON.PHFO.WI.Y.0002.000000T0000Z-210124T1600Z/ Molokai Windward-Kahoolawe-Maui Windward West-Maui Leeward West- Windward Haleakala-Leeward Haleakala-South Big Island- Big Island North and East- Including the cities of Kalaupapa, Wailuku, Lahaina, Kaanapali, Haiku, Makawao, Hana, Kihei, Makena, Pukalani, Kula, South Point, Pahala, Hilo, Volcano, Honokaa, and Kamuela 334 PM HST Sat Jan 23 2021 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 6 AM HST SUNDAY... * WHAT...East winds 20 to 30 mph, with gusts to 50 mph. * WHERE...Kahoolawe. Portions of the Big Island, including areas along the Hamakua Coast and near South Point. Portions of Maui, including areas along the northern and southern slopes of Haleakala, as well as the northern coast of West Maui. Portions of East Molokai, over and immediately downwind of the mountains. * WHEN...Until 6 AM HST Sunday. * IMPACTS...Winds this strong are capable of downing tents or other temporary structures, as well as downing trees and causing power outages. PRECAUTIONARY/PREPAREDNESS ACTIONS... Motorists, especially those in high profile vehicles, are urged to drive with extra caution. && $$
231 WWHW70 PHFO 241320 NPWHFO URGENT - WEATHER MESSAGE National Weather Service Honolulu HI 320 AM HST Sun Jan 24 2021 ...WIND ADVISORY IS CANCELLED... HIZ012-016>018-020-021-024-025-241430- /O.CAN.PHFO.WI.Y.0002.000000T0000Z-210124T1600Z/ Molokai Windward-Kahoolawe-Maui Windward West-Maui Leeward West- Windward Haleakala-Leeward Haleakala-South Big Island- Big Island North and East- Including the cities of Kalaupapa, Wailuku, Lahaina, Kaanapali, Haiku, Makawao, Hana, Kihei, Makena, Pukalani, Kula, South Point, Pahala, Hilo, Volcano, Honokaa, and Kamuela 320 AM HST Sun Jan 24 2021 ...WIND ADVISORY IS CANCELLED... Instability from a trough aloft and cloudy, wet weather have kept winds below advisory strength. $$ Donaldson
The office that day
Everything else NWS Honolulu, HI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jan 22, 4:19 PM HST | High Surf Advisory | HFO | Hawaii, Honolulu, Kauai, Kalawao | 7 days |
| Jan 23, 3:53 AM HST | Gale Watch | HFO | 24 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.