Alert archive / Hawaii / Wind Advisories in 2021

Wind Advisory 21, NWS Honolulu, HI

December 4, 20214 counties in Hawaii

NWS Honolulu, HI issued this wind advisory at Dec 4, 2021, 3:09 PM HST for 4 counties in Hawaii. It took effect at Dec 5, 2021, 3:33 AM HST. It was in force for 42 hr.

The area

The counties it named.

The facts

Issued
Dec 4, 2021, 3:09 PM HST (01:09 UTC)
In effect from
Dec 5, 2021, 3:33 AM HST
Expired
Dec 6, 2021, 9:56 PM HST
In force
42 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 01:09 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, 1.2 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.

Skew-T log-pSkew-T log-p diagram, Lihue, at 00:00Z on 2021-12-05Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 43 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Lihue, at 00:00Z on 2021-12-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -21 square meters per square second.1939587897Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
43 J/kg
Mixed-layer CIN
-1 J/kg
Mixed-layer LCL
1101 m above ground
0-6 km bulk shear
56 kt
0-1 km storm-relative helicity
-21 m²/s²
0-3 km storm-relative helicity
36 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

275 
WWHW70 PHFO 050109 CCA
NPWHFO

URGENT - WEATHER MESSAGE...CORRECTED
National Weather Service Honolulu HI
309 PM HST Sat Dec 4 2021

...HIGH WIND WARNING FOR THE SUMMITS OF MAUI AND THE BIG ISLAND...
...WIND ADVISORY FOR ALL OF THE BIG ISLAND EXCEPT THE SUMMITS...

HIZ022-028-051415-
/O.COR.PHFO.HW.W.0003.000000T0000Z-211206T1600Z/
Haleakala Summit-Big Island Summits-
Including the cities of Haleakala National Park Above 6000 feet
and Mauna Loa and Mauna Kea Above 8000 feet
309 PM HST Sat Dec 4 2021

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 6 AM HST MONDAY...

* WHAT...Southwest winds 60 to 100 mph with localized gusts over
  125 mph over the Summits of Mauna Kea and Mauna Loa. South to
  southwest winds 40 to 60 mph, with gusts near 90 mph over the
  Haleakala Summit. 

* WHERE...Summits of Haleakala, Mauna Kea and Mauna Loa.

* WHEN...Until 6 AM HST Monday.

* 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. Haleakala summit
  above 9300 feet has been closed due to the strong winds.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

Be prepared for road closures. Postpone travel to the summits 
until conditions improve.

&&

$$

HIZ023-026-027-051>054-051415-
/O.NEW.PHFO.WI.Y.0021.211205T1600Z-211206T1600Z/
Kona-Kohala-Big Island Interior-Big Island South-
Big Island Southeast-Big Island East-Big Island North-
Including the cities of Kailua-Kona, Kealakekua, Milolii, 
Kawaihae, Waikoloa, Waikii, Puuanahulu, Bradshaw Field, 
Saddle Road Above 5000 feet, Ocean View, South Point, Pahala, 
Hilo, Volcano, Pahoa, Mountain View, Laupahoehoe, Honokaa, 
Kamuela, Waipio Valley, and Hawi
309 PM HST Sat Dec 4 2021

...WIND ADVISORY IN EFFECT FROM 6 AM SUNDAY TO 6 AM HST MONDAY...

* WHAT...South winds 20 to 35 mph with localized gusts near 50 
  mph expected.

* WHERE...All of the Big Island, except the Summits of Mauna Kea
  and Mauna Loa.

* WHEN...From 6 AM Sunday to 6 AM HST Monday.

* IMPACTS...Winds this strong can tear off shingles, knock down 
  tree branches, blow away tents and awnings and also make it 
  difficult to steer, especially for drivers of high profile 
  vehicles.

* ADDITIONAL DETAILS...Winds may be especially gusty in showers
  and thunderstorms. 

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. Secure outdoor holiday decorations.

&&

$$

Birchard
7 follow-up statements
095 
WWHW70 PHFO 051333
NPWHFO

URGENT - WEATHER MESSAGE
National Weather Service Honolulu HI
333 AM HST Sun Dec 5 2021

...HIGH WIND WARNING FOR THE SUMMITS OF MAUI AND THE BIG ISLAND...
...WIND ADVISORY FOR ALL OF THE BIG ISLAND EXCEPT THE SUMMITS...

HIZ022-028-060245-
/O.CON.PHFO.HW.W.0003.000000T0000Z-211206T1600Z/
Haleakala Summit-Big Island Summits-
Including the cities of Haleakala National Park Above 6000 feet
and Mauna Loa and Mauna Kea Above 8000 feet
333 AM HST Sun Dec 5 2021

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 6 AM HST MONDAY...

* WHAT...Southwest winds 60 to 100 mph with localized gusts over 
  125 mph over the Summits of Mauna Kea and Mauna Loa. South to 
  southwest winds 40 to 60 mph, with gusts near 90 mph over the 
  Haleakala Summit.

* WHERE...Summits of Haleakala, Mauna Kea and Mauna Loa.

* WHEN...Until 6 AM HST Monday.

* 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. Haleakala summit
  above 9300 feet has been closed due to the strong winds.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Be prepared for road closures. Postpone travel to the summits
until conditions improve.

&&

$$

HIZ023-026-027-051>054-060245-
/O.EXT.PHFO.WI.Y.0021.211205T1333Z-211206T1600Z/
Kona-Kohala-Big Island Interior-Big Island South-
Big Island Southeast-Big Island East-Big Island North-
Including the cities of Kailua-Kona, Kealakekua, Milolii, 
Kawaihae, Waikoloa, Waikii, Puuanahulu, Bradshaw Field, 
Saddle Road Above 5000 feet, Ocean View, South Point, Pahala, 
Hilo, Volcano, Pahoa, Mountain View, Laupahoehoe, Honokaa, 
Kamuela, Waipio Valley, and Hawi
333 AM HST Sun Dec 5 2021

...WIND ADVISORY NOW IN EFFECT UNTIL 6 AM HST MONDAY...

* WHAT...South winds 20 to 35 mph with localized gusts near 50 
  mph expected.

* WHERE...All of the Big Island, except the Summits of Mauna Kea 
  and Mauna Loa.

* WHEN...Until 6 AM HST Monday.

* IMPACTS...Winds this strong can tear off shingles, knock down 
  tree branches, blow away tents and awnings and also make it 
  difficult to steer, especially for drivers of high profile 
  vehicles.

* ADDITIONAL DETAILS...Winds may be especially gusty in showers 
  and thunderstorms.

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. Secure outdoor holiday decorations.

&&

$$

Gibbs
094 
WWHW70 PHFO 060136
NPWHFO

URGENT - WEATHER MESSAGE
National Weather Service Honolulu HI
336 PM HST Sun Dec 5 2021

...HIGH WIND WARNING FOR THE SUMMITS OF MAUI AND THE BIG ISLAND
THROUGH 6 AM HST MONDAY... 
...WIND ADVISORY FOR THE REST OF THE BIG ISLAND AND FOR MAUI 
MOLOKAI OAHU LANAI AND KAHOOLAWE THROUGH 6 AM HST MONDAY...

HIZ022-028-061445-
/O.CON.PHFO.HW.W.0003.000000T0000Z-211206T1600Z/
Haleakala Summit-Big Island Summits-
Including the cities of Haleakala National Park Above 6000 feet
and Mauna Loa and Mauna Kea Above 8000 feet
336 PM HST Sun Dec 5 2021

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 6 AM HST MONDAY...

* WHAT...South to southwest winds 40 to 60 mph with localized
  gusts to 80 mph over the summits of Mauna Kea, Mauna Loa, and
  Haleakala. 

* WHERE...Summits of Haleakala, Mauna Kea and Mauna Loa.

* WHEN...Until 6 AM HST Monday.

* 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...

Be prepared for road closures. Postpone travel to the summits
until conditions improve.

&&

$$

HIZ006-007-009>011-015>018-032>050-061445-
/O.EXA.PHFO.WI.Y.0021.000000T0000Z-211206T1600Z/
Waianae Coast-Oahu North Shore-Olomana-Central Oahu-
Waianae Mountains-Lanai Mauka-Kahoolawe-Maui Windward West-
Maui Leeward West-East Honolulu-Honolulu Metro-Ewa Plain-
Koolau Windward-Koolau Leeward-Molokai Windward-Molokai Southeast-
Molokai North-Molokai West-Molokai Leeward South-Lanai Windward-
Lanai Leeward-Lanai South-Maui Central Valley North-
Maui Central Valley South-Windward Haleakala-Kipahulu-
South Maui/Upcountry-South Haleakala-
Including the cities of Nanakuli, Waianae, Makaha, Waialua, 
Haleiwa, Pupukea, Kailua, Kaneohe, Waimanalo, Mililani, Wahiawa, 
Pearl City, Makakilo, Lanai City, Wailuku, Lahaina, Kaanapali, 
Hawaii Kai, Aina Haina, Kahala, Honolulu, Waikiki, Kapolei, 
Kahuku, Laie, Punaluu, Kahaluu, Ahuimanu, Nuuanu, Manoa, Palolo, 
Kalaupapa, Halawa Valley, Pukoo, Hoolehua, Kepuhi, Kaunakakai, 
Maunaloa, Shipwreck Beach, Kaumalapau Harbor, Manele, Kahului, 
Maalaea, Haiku, Makawao, Hana, Hamoa, Kihei, Makena, Pukalani, 
Kula, Ulupalakua, Kipahulu, and Kaupo
336 PM HST Sun Dec 5 2021

...WIND ADVISORY IN EFFECT UNTIL 6 AM HST MONDAY...

* WHAT...South to southwest winds 15 to 30 mph with localized 
  gusts to 50 mph.

* WHERE...Portions of Kahoolawe, Lanai, Maui, Molokai and Oahu.

* WHEN...Until 6 AM HST Monday. Winds will increase across Maui
  County this evening and around midnight on Oahu.

* IMPACTS...Winds this strong can tear off shingles, knock down 
  tree branches, blow away tents and awnings and also make it 
  difficult to steer, especially for drivers of high profile 
  vehicles.

* ADDITIONAL DETAILS...Winds may be especially gusty in showers 
  and thunderstorms.

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. 

&&

$$

HIZ023-026-027-051>054-061445-
/O.CON.PHFO.WI.Y.0021.000000T0000Z-211206T1600Z/
Kona-Kohala-Big Island Interior-Big Island South-
Big Island Southeast-Big Island East-Big Island North-
Including the cities of Kailua-Kona, Kealakekua, Milolii, 
Kawaihae, Waikoloa, Waikii, Puuanahulu, Bradshaw Field, 
Saddle Road Above 5000 feet, Ocean View, South Point, Pahala, 
Hilo, Volcano, Pahoa, Mountain View, Laupahoehoe, Honokaa, 
Kamuela, Waipio Valley, and Hawi
336 PM HST Sun Dec 5 2021

...WIND ADVISORY REMAINS IN EFFECT UNTIL 6 AM HST MONDAY...

* WHAT...South winds 20 to 35 mph with localized gusts near 50 
  mph expected.

* WHERE...All of the Big Island, except the Summits of Mauna Kea 
  and Mauna Loa.

* WHEN...Until 6 AM HST Monday.

* IMPACTS...Winds this strong can tear off shingles, knock down
  tree branches, blow away tents and awnings and also make it
  difficult to steer, especially for drivers of high profile
  vehicles. Numerous power outages have been reported on the Big
  Island.

* ADDITIONAL DETAILS...Winds may be especially gusty in showers 
  and thunderstorms.

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. Secure outdoor holiday decorations.

&&

$$
855 
WWHW70 PHFO 061324
NPWHFO

URGENT - WEATHER MESSAGE
National Weather Service Honolulu HI
324 AM HST Mon Dec 6 2021

...HIGH WIND WARNING FOR THE SUMMITS OF MAUI AND THE BIG ISLAND
THROUGH 6 AM HST MONDAY... ...WIND ADVISORY FOR THE REST OF THE
BIG ISLAND AND FOR MAUI MOLOKAI OAHU LANAI AND KAHOOLAWE THROUGH
6 AM HST MONDAY...

HIZ022-028-070230-
/O.CAN.PHFO.HW.W.0003.000000T0000Z-211206T1600Z/
/O.EXB.PHFO.WI.Y.0021.000000T0000Z-211207T0400Z/
Haleakala Summit-Big Island Summits-
Including the cities of Haleakala National Park Above 6000 feet
and Mauna Loa and Mauna Kea Above 8000 feet
324 AM HST Mon Dec 6 2021

...WIND ADVISORY IN EFFECT UNTIL 6 PM HST THIS EVENING...
...HIGH WIND WARNING IS CANCELLED...

* WHAT...South winds 40 to 50 mph with gusts to 60 mph.

* WHERE...Summits of Haleakala on Maui, and the summits of Mauna
  Kea and Mauna Loa on the Big Island.

* WHEN...Until 6 PM HST this evening.

* 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...

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.

&&

$$

HIZ001-003-004-029>031-070230-
/O.EXB.PHFO.WI.Y.0021.000000T0000Z-211207T0400Z/
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
324 AM HST Mon Dec 6 2021

...WIND ADVISORY IN EFFECT UNTIL 6 PM HST THIS EVENING...

* WHAT...South winds 20 to 35 mph with gusts to 50 mph.

* WHERE...The islands of Kauai and Niihau.

* 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 also make it 
  difficult to steer, especially for drivers of high profile 
  vehicles.

* ADDITIONAL DETAILS...Winds may be especially gusty in showers
  and along north slopes of mountain ranges.

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. 

&&

$$

HIZ006-007-009>011-015>018-023-026-027-032>054-070230-
/O.EXT.PHFO.WI.Y.0021.000000T0000Z-211207T0400Z/
Waianae Coast-Oahu North Shore-Olomana-Central Oahu-
Waianae Mountains-Lanai Mauka-Kahoolawe-Maui Windward West-
Maui Leeward West-Kona-Kohala-Big Island Interior-East Honolulu-
Honolulu Metro-Ewa Plain-Koolau Windward-Koolau Leeward-
Molokai Windward-Molokai Southeast-Molokai North-Molokai West-
Molokai Leeward South-Lanai Windward-Lanai Leeward-Lanai South-
Maui Central Valley North-Maui Central Valley South-
Windward Haleakala-Kipahulu-South Maui/Upcountry-South Haleakala-
Big Island South-Big Island Southeast-Big Island East-
Big Island North-
Including the cities of Nanakuli, Waianae, Makaha, Waialua, 
Haleiwa, Pupukea, Kailua, Kaneohe, Waimanalo, Mililani, Wahiawa, 
Pearl City, Makakilo, Lanai City, Wailuku, Lahaina, Kaanapali, 
Kailua-Kona, Kealakekua, Milolii, Kawaihae, Waikoloa, Waikii, 
Puuanahulu, Bradshaw Field, Saddle Road Above 5000 feet, 
Hawaii Kai, Aina Haina, Kahala, Honolulu, Waikiki, Kapolei, 
Kahuku, Laie, Punaluu, Kahaluu, Ahuimanu, Nuuanu, Manoa, Palolo, 
Kalaupapa, Halawa Valley, Pukoo, Hoolehua, Kepuhi, Kaunakakai, 
Maunaloa, Shipwreck Beach, Kaumalapau Harbor, Manele, Kahului, 
Maalaea, Haiku, Makawao, Hana, Hamoa, Kihei, Makena, Pukalani, 
Kula, Ulupalakua, Kipahulu, Kaupo, Ocean View, South Point, 
Pahala, Hilo, Volcano, Pahoa, Mountain View, Laupahoehoe, 
Honokaa, Kamuela, Waipio Valley, and Hawi
324 AM HST Mon Dec 6 2021

...WIND ADVISORY NOW IN EFFECT UNTIL 6 PM HST THIS EVENING...

* WHAT...South winds 20 to 35 mph with gusts to 50 mph.

* WHERE...The islands of Oahu, Molokai, Lanai, Maui and Kahoolawe.
  Kahoolawe, Lanai, Maui, Molokai and Oahu.

* 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 also make it 
  difficult to steer, especially for drivers of high profile 
  vehicles.

* ADDITIONAL DETAILS...Winds may be especially gusty in showers
  and along north slopes of mountain ranges.

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.

&&

$$

RCB
221 
WWHW70 PHFO 061328 AAA
NPWHFO

URGENT - WEATHER MESSAGE...UPDATED
National Weather Service Honolulu HI
328 AM HST Mon Dec 6 2021

...WIND ADVISORY REMAINS IN EFFECT UNTIL 6 PM HST THIS EVENING FOR
ALL HAWAIIAN ISLANDS...

HIZ001-003-004-006-007-009>011-015>018-022-023-026>054-070230-
/O.CON.PHFO.WI.Y.0021.000000T0000Z-211207T0400Z/
Niihau-Kauai Southwest-Kauai Mountains-Waianae Coast-
Oahu North Shore-Olomana-Central Oahu-Waianae Mountains-
Lanai Mauka-Kahoolawe-Maui Windward West-Maui Leeward West-
Haleakala Summit-Kona-Kohala-Big Island Interior-
Big Island Summits-Kauai North-Kauai East-Kauai South-
East Honolulu-Honolulu Metro-Ewa Plain-Koolau Windward-
Koolau Leeward-Molokai Windward-Molokai Southeast-Molokai North-
Molokai West-Molokai Leeward South-Lanai Windward-Lanai Leeward-
Lanai South-Maui Central Valley North-Maui Central Valley South-
Windward Haleakala-Kipahulu-South Maui/Upcountry-South Haleakala-
Big Island South-Big Island Southeast-Big Island East-
Big Island North-
Including the cities of Waimea, Waimea Canyon State Park, 
Hanapepe, Kekaha, Barking Sands, Kokee State Park, Nanakuli, 
Waianae, Makaha, Waialua, Haleiwa, Pupukea, Kailua, Kaneohe, 
Waimanalo, Mililani, Wahiawa, Pearl City, Makakilo, Lanai City, 
Wailuku, Lahaina, Kaanapali, 
Haleakala National Park Above 6000 feet, Kailua-Kona, Kealakekua,
Milolii, Kawaihae, Waikoloa, Waikii, Puuanahulu, Bradshaw Field, 
Saddle Road Above 5000 feet, 
Mauna Loa and Mauna Kea Above 8000 feet, Princeville, Hanalei, 
Na Pali State Park, Lihue, Kapaa, Anahola, Poipu, Kalaheo, Koloa,
Hawaii Kai, Aina Haina, Kahala, Honolulu, Waikiki, Kapolei, 
Kahuku, Laie, Punaluu, Kahaluu, Ahuimanu, Nuuanu, Manoa, Palolo, 
Kalaupapa, Halawa Valley, Pukoo, Hoolehua, Kepuhi, Kaunakakai, 
Maunaloa, Shipwreck Beach, Kaumalapau Harbor, Manele, Kahului, 
Maalaea, Haiku, Makawao, Hana, Hamoa, Kihei, Makena, Pukalani, 
Kula, Ulupalakua, Kipahulu, Kaupo, Ocean View, South Point, 
Pahala, Hilo, Volcano, Pahoa, Mountain View, Laupahoehoe, 
Honokaa, Kamuela, Waipio Valley, and Hawi
328 AM HST Mon Dec 6 2021

...WIND ADVISORY REMAINS IN EFFECT UNTIL 6 PM HST THIS EVENING...

* WHAT...South winds 20 to 35 mph with gusts to 50 mph.

* WHERE...The islands of Oahu, Molokai, Lanai, Maui and 
  Kahoolawe. Kahoolawe, Lanai, Maui, Molokai and Oahu.

* 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 also make it 
  difficult to steer, especially for drivers of high profile 
  vehicles.

* ADDITIONAL DETAILS...Winds may be especially gusty in showers 
  and along north slopes of mountain ranges.

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.

&&

$$
320 
WWHW70 PHFO 061826
NPWHFO

URGENT - WEATHER MESSAGE
National Weather Service Honolulu HI
826 AM HST Mon Dec 6 2021

...WIND ADVISORY REMAINS IN EFFECT UNTIL 6 PM HST THIS EVENING
FOR ALL HAWAIIAN ISLANDS...

HIZ001-003-004-006-007-009>011-015>018-022-023-026>054-070400-
/O.CON.PHFO.WI.Y.0021.000000T0000Z-211207T0400Z/
Niihau-Kauai Southwest-Kauai Mountains-Waianae Coast-
Oahu North Shore-Olomana-Central Oahu-Waianae Mountains-
Lanai Mauka-Kahoolawe-Maui Windward West-Maui Leeward West-
Haleakala Summit-Kona-Kohala-Big Island Interior-
Big Island Summits-Kauai North-Kauai East-Kauai South-
East Honolulu-Honolulu Metro-Ewa Plain-Koolau Windward-
Koolau Leeward-Molokai Windward-Molokai Southeast-Molokai North-
Molokai West-Molokai Leeward South-Lanai Windward-Lanai Leeward-
Lanai South-Maui Central Valley North-Maui Central Valley South-
Windward Haleakala-Kipahulu-South Maui/Upcountry-South Haleakala-
Big Island South-Big Island Southeast-Big Island East-
Big Island North-
Including the cities of Waimea, Waimea Canyon State Park, 
Hanapepe, Kekaha, Barking Sands, Kokee State Park, Nanakuli, 
Waianae, Makaha, Waialua, Haleiwa, Pupukea, Kailua, Kaneohe, 
Waimanalo, Mililani, Wahiawa, Pearl City, Makakilo, Lanai City, 
Wailuku, Lahaina, Kaanapali, 
Haleakala National Park Above 6000 feet, Kailua-Kona, Kealakekua,
Milolii, Kawaihae, Waikoloa, Waikii, Puuanahulu, Bradshaw Field, 
Saddle Road Above 5000 feet, 
Mauna Loa and Mauna Kea Above 8000 feet, Princeville, Hanalei, 
Na Pali State Park, Lihue, Kapaa, Anahola, Poipu, Kalaheo, Koloa,
Hawaii Kai, Aina Haina, Kahala, Honolulu, Waikiki, Kapolei, 
Kahuku, Laie, Punaluu, Kahaluu, Ahuimanu, Nuuanu, Manoa, Palolo, 
Kalaupapa, Halawa Valley, Pukoo, Hoolehua, Kepuhi, Kaunakakai, 
Maunaloa, Shipwreck Beach, Kaumalapau Harbor, Manele, Kahului, 
Maalaea, Haiku, Makawao, Hana, Hamoa, Kihei, Makena, Pukalani, 
Kula, Ulupalakua, Kipahulu, Kaupo, Ocean View, South Point, 
Pahala, Hilo, Volcano, Pahoa, Mountain View, Laupahoehoe, 
Honokaa, Kamuela, Waipio Valley, and Hawi
826 AM HST Mon Dec 6 2021

...WIND ADVISORY REMAINS IN EFFECT UNTIL 6 PM HST THIS EVENING...

* WHAT...South winds 20 to 35 mph with gusts to 50 mph. For
  summits of Big Island and Haleakala, south winds 30 to 45 mph
  with gusts to 60 mph.

* WHERE...The islands of Oahu, Molokai, Lanai, Maui and 
  Kahoolawe. Kahoolawe, Lanai, Maui, Molokai and Oahu.

* 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 also make it 
  difficult to steer, especially for drivers of high profile 
  vehicles.

* ADDITIONAL DETAILS...Winds may be especially gusty in showers
  and thunderstorms.

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.

&&

$$
933 
WWHW70 PHFO 070130
NPWHFO

URGENT - WEATHER MESSAGE
National Weather Service Honolulu HI
330 PM HST Mon Dec 6 2021

...WIND ADVISORY REMAINS IN EFFECT FOR THE SUMMITS OF BIG ISLAND
TILL 6AM HST TUESDAY...

...WIND ADVISORY IS CANCELLED FOR ALL OTHER AREAS...

HIZ001-003-004-006-007-009>011-015>018-022-023-026-027-029>054-
070230-
/O.CAN.PHFO.WI.Y.0021.000000T0000Z-211207T0400Z/
Niihau-Kauai Southwest-Kauai Mountains-Waianae Coast-
Oahu North Shore-Olomana-Central Oahu-Waianae Mountains-
Lanai Mauka-Kahoolawe-Maui Windward West-Maui Leeward West-
Haleakala Summit-Kona-Kohala-Big Island Interior-Kauai North-
Kauai East-Kauai South-East Honolulu-Honolulu Metro-Ewa Plain-
Koolau Windward-Koolau Leeward-Molokai Windward-Molokai Southeast-
Molokai North-Molokai West-Molokai Leeward South-Lanai Windward-
Lanai Leeward-Lanai South-Maui Central Valley North-
Maui Central Valley South-Windward Haleakala-Kipahulu-
South Maui/Upcountry-South Haleakala-Big Island South-
Big Island Southeast-Big Island East-Big Island North-
Including the cities of Waimea, Waimea Canyon State Park, 
Hanapepe, Kekaha, Barking Sands, Kokee State Park, Nanakuli, 
Waianae, Makaha, Waialua, Haleiwa, Pupukea, Kailua, Kaneohe, 
Waimanalo, Mililani, Wahiawa, Pearl City, Makakilo, Lanai City, 
Wailuku, Lahaina, Kaanapali, 
Haleakala National Park Above 6000 feet, Kailua-Kona, Kealakekua,
Milolii, Kawaihae, Waikoloa, Waikii, Puuanahulu, Bradshaw Field, 
Saddle Road Above 5000 feet, Princeville, Hanalei, 
Na Pali State Park, Lihue, Kapaa, Anahola, Poipu, Kalaheo, Koloa,
Hawaii Kai, Aina Haina, Kahala, Honolulu, Waikiki, Kapolei, 
Kahuku, Laie, Punaluu, Kahaluu, Ahuimanu, Nuuanu, Manoa, Palolo, 
Kalaupapa, Halawa Valley, Pukoo, Hoolehua, Kepuhi, Kaunakakai, 
Maunaloa, Shipwreck Beach, Kaumalapau Harbor, Manele, Kahului, 
Maalaea, Haiku, Makawao, Hana, Hamoa, Kihei, Makena, Pukalani, 
Kula, Ulupalakua, Kipahulu, Kaupo, Ocean View, South Point, 
Pahala, Hilo, Volcano, Pahoa, Mountain View, Laupahoehoe, 
Honokaa, Kamuela, Waipio Valley, and Hawi
330 PM HST Mon Dec 6 2021

...WIND ADVISORY IS CANCELLED...

Winds have dropped below advisory thresholds. But some localized 
gusty winds will remain possible.

$$

HIZ028-071430-
/O.EXT.PHFO.WI.Y.0021.000000T0000Z-211207T1600Z/
Big Island Summits-
Including the city of Mauna Loa and Mauna Kea Above 8000 feet
330 PM HST Mon Dec 6 2021

...WIND ADVISORY NOW IN EFFECT UNTIL 6 AM HST TUESDAY...

* WHAT...Southeast winds 30 to 50 mph with localized gusts over 
  60 mph.

* WHERE...Big Island Summits.

* WHEN...Until 6 AM HST Tuesday.

* 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.

&&

$$
084 
WWHW70 PHFO 070756
NPWHFO

URGENT - WEATHER MESSAGE
National Weather Service Honolulu HI
956 PM HST Mon Dec 6 2021

...WIND ADVISORY CANCELLED FOR MAUNA KEA AND MAUNA LOA SUMMITS...

HIZ028-070900-
/O.CAN.PHFO.WI.Y.0021.000000T0000Z-211207T1600Z/
Big Island Summits-
Including the city of Mauna Loa and Mauna Kea Above 8000 feet
956 PM HST Mon Dec 6 2021

...WIND ADVISORY IS CANCELLED...

Winds have diminished below Advisory-levels, and are expected to
remain that way.

$$
 
Birchard

The office that day

Everything else NWS Honolulu, HI issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Dec 5, 4:33 AM HSTAreal Flood AdvisoryHFOHawaii111 min
Dec 5, 9:30 AM HSTAreal Flood AdvisoryHFOHawaii6 hr
Dec 5, 9:40 AM HSTAreal Flood AdvisoryHFOHonolulu80 min
Dec 5, 11:51 AM HSTAreal Flood AdvisoryHFOKalawao3 hr
Dec 5, 12:24 PM HSTAreal Flood AdvisoryHFOKalawao4 hr

Nearby

Wind Advisories in Hawaii, 2021Every wind advisory 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.