Alert archive / Hawaii / Wind Advisories in 2021
Wind Advisory 8, NWS Honolulu, HI
NWS Honolulu, HI issued this wind advisory at Feb 24, 2021, 8:49 AM HST for Hawaii County, Kalawao County, Hawaii. It was in force for 55 hr.
The area
The counties it named.
The facts
- Issued
- Feb 24, 2021, 8:49 AM HST (18:49 UTC)
- Expired
- Feb 26, 2021, 3:32 PM HST
- In force
- 55 hr
- Issued by
- NWS Honolulu, HI
Counties Hawaii County, HI, Kalawao County, HI
The radar
The Kamuela/Kohala Apt radar (PHKM), 57 km from the middle of the area, began a volume at 18:51 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, 6.8 hours before the alert went out and 150 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
- 85 J/kg
- Mixed-layer CIN
- -7 J/kg
- Mixed-layer LCL
- 681 m above ground
- 0-6 km bulk shear
- 4 kt
- 0-1 km storm-relative helicity
- -67 m²/s²
- 0-3 km storm-relative helicity
- -47 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
308 WWHW70 PHFO 241849 NPWHFO URGENT - WEATHER MESSAGE National Weather Service Honolulu HI 849 AM HST Wed Feb 24 2021 ...WIND ADVISORY IN EFFECT FOR PORTIONS OF MAUI COUNTY AND THE BIG ISLAND... HIZ012-013-016>021-024>027-250800- /O.NEW.PHFO.WI.Y.0008.210224T1849Z-210226T0400Z/ Molokai Windward-Molokai Leeward-Kahoolawe-Maui Windward West- Maui Leeward West-Maui Central Valley-Windward Haleakala- Leeward Haleakala-South Big Island-Big Island North and East- Kohala-Big Island Interior- Including the cities of Kalaupapa, Kaunakakai, Wailuku, Lahaina, Kaanapali, Kahului, Haiku, Makawao, Hana, Kihei, Makena, Pukalani, Kula, South Point, Pahala, Hilo, Volcano, Honokaa, Kamuela, Waikoloa, Bradshaw Field, and Saddle Road Above 5000 feet 849 AM HST Wed Feb 24 2021 ...WIND ADVISORY IN EFFECT UNTIL 6 PM HST THURSDAY... * WHAT...East winds 20 to 30 mph with localized gusts to 50 mph. * WHERE...Portions of Kahoolawe, Maui, Molokai and the Big Island. * WHEN...Until 6 PM HST Thursday. * IMPACTS...Winds this strong are capable of downing temporary structures, trees, and causing localized power outages. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Wind Advisory means that sustained winds of at least 30 mph, or gusts of at least 50 mph, are expected. Motorists should use extra caution. && $$ Gibbs
5 follow-up statements
351 WWHW70 PHFO 250131 NPWHFO URGENT - WEATHER MESSAGE National Weather Service Honolulu HI 331 PM HST Wed Feb 24 2021 ...WIND ADVISORY IN EFFECT FOR PORTIONS OF MAUI COUNTY AND THE BIG ISLAND... HIZ012-013-016>021-024>027-251445- /O.CON.PHFO.WI.Y.0008.000000T0000Z-210226T0400Z/ Molokai Windward-Molokai Leeward-Kahoolawe-Maui Windward West- Maui Leeward West-Maui Central Valley-Windward Haleakala- Leeward Haleakala-South Big Island-Big Island North and East- Kohala-Big Island Interior- Including the cities of Kalaupapa, Kaunakakai, Wailuku, Lahaina, Kaanapali, Kahului, Haiku, Makawao, Hana, Kihei, Makena, Pukalani, Kula, South Point, Pahala, Hilo, Volcano, Honokaa, Kamuela, Waikoloa, Bradshaw Field, and Saddle Road Above 5000 feet 331 PM HST Wed Feb 24 2021 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 6 PM HST THURSDAY... * WHAT...East winds 20 to 30 mph with localized gusts to 50 mph. * WHERE...Portions of Kahoolawe, Maui, Molokai and the Big Island. * WHEN...Until 6 PM HST Thursday. * IMPACTS...Winds this strong are capable of downing temporary structures, trees, and causing localized power outages. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Wind Advisory means that sustained winds of at least 30 mph, or gusts of at least 50 mph, are expected. Motorists should use extra caution. && $$ Gibbs
751 WWHW70 PHFO 251316 NPWHFO URGENT - WEATHER MESSAGE National Weather Service Honolulu HI 316 AM HST Thu Feb 25 2021 ...WIND ADVISORY IN EFFECT FOR PORTIONS OF MAUI COUNTY AND THE BIG ISLAND... HIZ012-013-016>021-024>027-260230- /O.CON.PHFO.WI.Y.0008.000000T0000Z-210226T0400Z/ Molokai Windward-Molokai Leeward-Kahoolawe-Maui Windward West- Maui Leeward West-Maui Central Valley-Windward Haleakala- Leeward Haleakala-South Big Island-Big Island North and East- Kohala-Big Island Interior- Including the cities of Kalaupapa, Kaunakakai, Wailuku, Lahaina, Kaanapali, Kahului, Haiku, Makawao, Hana, Kihei, Makena, Pukalani, Kula, South Point, Pahala, Hilo, Volcano, Honokaa, Kamuela, Waikoloa, Bradshaw Field, and Saddle Road Above 5000 feet 316 AM HST Thu Feb 25 2021 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 6 PM THIS EVENING... * WHAT...East winds 20 to 30 mph with localized gusts to 55 mph. * WHERE...Kahoolawe, Molokai and parts of Maui and the Big Island. * WHEN...Until 6 PM Thursday. * IMPACTS...Winds this strong are capable of downing temporary structures, trees, and causing localized power outages. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving. Avoid walking under trees. Secure loose outdoor objects. && $$ Donaldson
090 WWHW70 PHFO 260131 NPWHFO URGENT - WEATHER MESSAGE National Weather Service Honolulu HI 331 PM HST Thu Feb 25 2021 ...WIND ADVISORY IN EFFECT FOR PORTIONS OF MAUI COUNTY AND THE BIG ISLAND... HIZ012-013-016>021-024>027-261445- /O.EXT.PHFO.WI.Y.0008.000000T0000Z-210227T0400Z/ Molokai Windward-Molokai Leeward-Kahoolawe-Maui Windward West- Maui Leeward West-Maui Central Valley-Windward Haleakala- Leeward Haleakala-South Big Island-Big Island North and East- Kohala-Big Island Interior- Including the cities of Kalaupapa, Kaunakakai, Wailuku, Lahaina, Kaanapali, Kahului, Haiku, Makawao, Hana, Kihei, Makena, Pukalani, Kula, South Point, Pahala, Hilo, Volcano, Honokaa, Kamuela, Waikoloa, Bradshaw Field, and Saddle Road Above 5000 feet 331 PM HST Thu Feb 25 2021 ...WIND ADVISORY NOW IN EFFECT UNTIL 6 PM HST FRIDAY... * WHAT...East winds 20 to 30 mph with localized gusts to 50 mph. * WHERE...Kahoolawe, Molokai and parts of Maui and the Big Island. * WHEN...Until 6 PM HST Friday. * IMPACTS...Winds this strong are capable of downing temporary structures, trees, and causing localized power outages. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving. Avoid walking under trees. Secure loose outdoor objects. && $$ Wroe
133 WWHW70 PHFO 261312 NPWHFO URGENT - WEATHER MESSAGE National Weather Service Honolulu HI 312 AM HST Fri Feb 26 2021 ...WIND ADVISORY IN EFFECT FOR PORTIONS OF MAUI COUNTY AND THE BIG ISLAND... HIZ012-013-016>021-024>027-270215- /O.CON.PHFO.WI.Y.0008.000000T0000Z-210227T0400Z/ Molokai Windward-Molokai Leeward-Kahoolawe-Maui Windward West- Maui Leeward West-Maui Central Valley-Windward Haleakala- Leeward Haleakala-South Big Island-Big Island North and East- Kohala-Big Island Interior- Including the cities of Kalaupapa, Kaunakakai, Wailuku, Lahaina, Kaanapali, Kahului, Haiku, Makawao, Hana, Kihei, Makena, Pukalani, Kula, South Point, Pahala, Hilo, Volcano, Honokaa, Kamuela, Waikoloa, Bradshaw Field, and Saddle Road Above 5000 feet 312 AM HST Fri Feb 26 2021 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 6 PM HST THIS EVENING... * WHAT...East winds 20 to 30 mph with localized gusts to 45 mph. * WHERE...Kahoolawe, Molokai and parts of Maui and the Big Island. * WHEN...Until 6 PM HST today. * IMPACTS...Winds this strong are capable of downing temporary structures, trees, and causing localized power outages. PRECAUTIONARY/PREPAREDNESS ACTIONS... Motorists should use extra caution. && $$
883 WWHW70 PHFO 270132 NPWHFO URGENT - WEATHER MESSAGE National Weather Service Honolulu HI 332 PM HST Fri Feb 26 2021 ...WIND ADVISORY CANCELLED... HIZ012-013-016>021-024>027-270245- /O.CAN.PHFO.WI.Y.0008.000000T0000Z-210227T0400Z/ Molokai Windward-Molokai Leeward-Kahoolawe-Maui Windward West- Maui Leeward West-Maui Central Valley-Windward Haleakala- Leeward Haleakala-South Big Island-Big Island North and East- Kohala-Big Island Interior- Including the cities of Kalaupapa, Kaunakakai, Wailuku, Lahaina, Kaanapali, Kahului, Haiku, Makawao, Hana, Kihei, Makena, Pukalani, Kula, South Point, Pahala, Hilo, Volcano, Honokaa, Kamuela, Waikoloa, Bradshaw Field, and Saddle Road Above 5000 feet 332 PM HST Fri Feb 26 2021 ...WIND ADVISORY IS CANCELLED... Trade winds will continue to be strong and gusty through Saturday, but are expected to be below Wind Advisory thresholds. Winds may increase again later in the weekend, becoming locally windy once again. $$ Birchard
The office that day
Everything else NWS Honolulu, HI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 24, 3:34 AM HST | Gale Watch | HFO | 6 hr | |
| Feb 24, 9:04 AM HST | Gale Warning | HFO | 54 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.