Alert archive / Hawaii / Wind Advisories in 2018
Wind Advisory 2, NWS Honolulu, HI
NWS Honolulu, HI issued this wind advisory at Jan 17, 2018, 3:37 AM HST for 4 counties in Hawaii. It was in force for 48 hr.
The area
The counties it named.
The facts
- Issued
- Jan 17, 2018, 3:37 AM HST (13:37 UTC)
- Expired
- Jan 19, 2018, 3:22 AM HST
- In force
- 48 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 13:40 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 12:00Z, 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
- 114 J/kg
- Mixed-layer CIN
- -8 J/kg
- Mixed-layer LCL
- 809 m above ground
- 0-6 km bulk shear
- 12 kt
- 0-1 km storm-relative helicity
- -9 m²/s²
- 0-3 km storm-relative helicity
- -34 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
336 WWHW70 PHFO 171337 NPWHFO URGENT - WEATHER MESSAGE National Weather Service Honolulu HI 337 AM HST Wed Jan 17 2018 ...STRONG TRADE WINDS MAKE A RETURN TO THE ALOHA STATE... .A strong area of high pressure will pass by to the north of the islands over the next couple of days, resulting in windy trades through Thursday night and possibly into Friday. The trade winds will strengthen today and tonight, peak on Thursday, then trend down Thursday night and Friday. Much of the state will likely see advisory level winds on Thursday. HIZ014-015-019-025-026-180400- /O.NEW.PHFO.WI.Y.0002.180117T1337Z-180119T0400Z/ Lanai Makai-Lanai Mauka-Maui Central Valley- Big Island North and East-Kohala- 337 AM HST Wed Jan 17 2018 ...WIND ADVISORY IN EFFECT UNTIL 6 PM HST THURSDAY... The National Weather Service in Honolulu has issued a Wind Advisory, which is in effect until 6 PM HST Thursday. * WINDS...Northeast 25 to 35 mph with localized gusts up to 55 mph for Lanai, the central valley of Maui, and leeward Kohala and the Kohala mountain areas on the Big Island. * TIMING...Through early Thursday evening. * IMPACTS...Winds this strong can down tree branches and cause periodic power outages. Driving will also be difficult. 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. && $$
5 follow-up statements
716 WWHW70 PHFO 180124 NPWHFO URGENT - WEATHER MESSAGE National Weather Service Honolulu HI 324 PM HST Wed Jan 17 2018 ...STRONG AND GUSTY TRADE WINDS THROUGH THURSDAY... .A strong area of high pressure will pass north of the islands over the next couple of days, resulting in windy trades through Thursday and possibly into Friday over some locations. Trade winds will strengthen through tonight, peak on Thursday, then trend down Thursday night and Friday. The strongest winds will occur over and downwind of terrain. HIZ001>013-016>018-020-021-023-024-027-181430- /O.EXA.PHFO.WI.Y.0002.000000T0000Z-180119T0400Z/ Niihau-Kauai Windward-Kauai Leeward-Kauai Mountains- Oahu South Shore-Waianae Coast-Oahu North Shore-Oahu Koolau- Olomana-Central Oahu-Waianae Mountains-Molokai Windward- Molokai Leeward-Kahoolawe-Maui Windward West-Maui Leeward West- Windward Haleakala-Leeward Haleakala-Kona-South Big Island- Big Island Interior- 324 PM HST Wed Jan 17 2018 ...WIND ADVISORY IN EFFECT UNTIL 6 PM HST THURSDAY... The National Weather Service in Honolulu has issued a Wind Advisory, which is in effect until 6 PM HST Thursday. * WINDS...East 20 to 30 mph with localized gusts up to 50 mph. The strongest winds will occur over and downwind of terrain and will peak on Thursday. * TIMING...Through Thursday afternoon. This advisory may need to be extended if conditions persist. * IMPACTS...Winds this strong can down tree branches and cause periodic power outages. Driving will also be difficult. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Wind Advisory means that sustained winds of at least 30 mph, or gusts of at least 50 mph, are expected. Motorists should use extra caution. && $$ HIZ014-015-019-025-026-181430- /O.CON.PHFO.WI.Y.0002.000000T0000Z-180119T0400Z/ Lanai Makai-Lanai Mauka-Maui Central Valley- Big Island North and East-Kohala- 324 PM HST Wed Jan 17 2018 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 6 PM HST THURSDAY... * WINDS...East 25 to 35 mph with localized gusts up to 55 mph. The strongest winds will occur over and downwind of terrain and will peak on Thursday. * TIMING...Through Thursday afternoon. This advisory may need to be extended if conditions persist. * IMPACTS...Winds this strong can down tree branches and cause periodic power outages. Driving will also be difficult. 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. && $$ Wroe
817 WWHW70 PHFO 180955 NPWHFO URGENT - WEATHER MESSAGE National Weather Service Honolulu HI 1155 PM HST Wed Jan 17 2018 ...STRONG AND GUSTY TRADE WINDS THROUGH THURSDAY... .A strong area of high pressure will pass north of the islands over the next couple of days, resulting in windy trades through Thursday and possibly into Friday over some locations. Trade winds will strengthen through tonight, peak on Thursday, then trend down Thursday night and Friday. The strongest winds will occur over and downwind of terrain. HIZ026-182300- /O.UPG.PHFO.WI.Y.0002.000000T0000Z-180119T0400Z/ /O.NEW.PHFO.HW.W.0001.180118T0955Z-180119T0400Z/ Kohala- 1155 PM HST Wed Jan 17 2018 ...HIGH WIND WARNING IN EFFECT UNTIL 6 PM HST THURSDAY... The National Weather Service in Honolulu has issued a High Wind Warning, which is in effect until 6 PM HST Thursday. The Wind Advisory is no longer in effect. * WINDS...East 25 to 45 mph with localized gusts over 60 mph. The strongest winds will occur over and downwind of the highest terrain. * TIMING...Through Thursday afternoon. This warning may need to be extended if conditions persist. * IMPACTS...Winds this strong can down tree branches and cause periodic power outages. Driving will also be difficult. PRECAUTIONARY/PREPAREDNESS ACTIONS... A high wind warning means that winds are expected to be at least 40 mph with gusts over 60 mph. Stay away from downed power lines. && $$ HIZ001>021-023>025-027-182300- /O.CON.PHFO.WI.Y.0002.000000T0000Z-180119T0400Z/ Niihau-Kauai Windward-Kauai Leeward-Kauai Mountains- Oahu South Shore-Waianae Coast-Oahu North Shore-Oahu Koolau- Olomana-Central Oahu-Waianae Mountains-Molokai Windward- Molokai Leeward-Lanai Makai-Lanai Mauka-Kahoolawe- Maui Windward West-Maui Leeward West-Maui Central Valley- Windward Haleakala-Leeward Haleakala-Kona-South Big Island- Big Island North and East-Big Island Interior- 1155 PM HST Wed Jan 17 2018 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 6 PM HST THURSDAY... * WINDS...East 20 to 40 mph with localized gusts over 50 mph. The strongest winds will occur over and downwind of the highest terrain. * TIMING...Through Thursday afternoon. This advisory may need to be extended if conditions persist. * IMPACTS...Winds this strong can down tree branches and cause periodic power outages. Driving will also be difficult. 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. && $$
410 WWHW70 PHFO 181334 NPWHFO URGENT - WEATHER MESSAGE National Weather Service Honolulu HI 334 AM HST Thu Jan 18 2018 ...STRONG AND GUSTY TRADE WINDS THROUGH TODAY... .A strong area of high pressure will pass north of the islands through Friday, resulting in windy trades through today and possibly into Friday over some locations. Trade winds will peak today, then trend down tonight and Friday. The strongest winds will occur over and downwind of terrain. HIZ026-190245- /O.CON.PHFO.HW.W.0001.000000T0000Z-180119T0400Z/ Kohala- 334 AM HST Thu Jan 18 2018 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 6 PM HST THIS EVENING... * WINDS...East 25 to 40 mph with localized gusts over 60 mph. The strongest winds will occur over and downwind of the highest terrain. * TIMING...Through this afternoon. This warning may need to be extended if conditions persist. * IMPACTS...Winds this strong can down tree branches and cause periodic power outages. Driving will also be difficult. PRECAUTIONARY/PREPAREDNESS ACTIONS... A high wind warning means that winds are expected to be at least 40 mph with gusts over 60 mph. Stay away from downed power lines. && $$ HIZ001>021-023>025-027-190245- /O.CON.PHFO.WI.Y.0002.000000T0000Z-180119T0400Z/ Niihau-Kauai Windward-Kauai Leeward-Kauai Mountains- Oahu South Shore-Waianae Coast-Oahu North Shore-Oahu Koolau- Olomana-Central Oahu-Waianae Mountains-Molokai Windward- Molokai Leeward-Lanai Makai-Lanai Mauka-Kahoolawe- Maui Windward West-Maui Leeward West-Maui Central Valley- Windward Haleakala-Leeward Haleakala-Kona-South Big Island- Big Island North and East-Big Island Interior- 334 AM HST Thu Jan 18 2018 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 6 PM HST THIS EVENING... * WINDS...East 20 to 40 mph with localized gusts over 50 mph. The strongest winds will occur over and downwind of the highest terrain. * TIMING...Through this afternoon. This advisory may need to be extended if conditions persist. * IMPACTS...Winds this strong can down tree branches and cause periodic power outages. Driving will also be difficult. 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. && $$
992 WWHW70 PHFO 190146 NPWHFO URGENT - WEATHER MESSAGE National Weather Service Honolulu HI 346 PM HST Thu Jan 18 2018 ...STRONG AND GUSTY TRADE WINDS THROUGH TONIGHT... .A strong high north of the islands will produce windy weather through tonight and possibly into Friday for some areas. Winds will subside starting tonight. The strongest winds will occur over and downwind of terrain. HIZ026-191500- /O.EXT.PHFO.HW.W.0001.000000T0000Z-180119T1600Z/ Kohala- 346 PM HST Thu Jan 18 2018 ...HIGH WIND WARNING NOW IN EFFECT UNTIL 600 AM FRIDAY... * LOCATIONS...Over the Kohala district of the Big Island with the strongest winds over and downslope to the west of the mountains including Kamuela, Waikoloa and Kawaihae. * WINDS...East 25 to 45 mph with localized gusts over 60 mph. * TIMING...Through late tonight. This warning may need to be extended if conditions persist. * IMPACTS...Winds this strong can damage roofs and knock down trees and utility lines. Driving will also be difficult. PRECAUTIONARY/PREPAREDNESS ACTIONS... Avoid travel if possible. Postpone hikes in the forest and tent- camping. Stay away from downed power lines and be prepared for power outages. Secure lawn furniture and other outdoor objects that could be blown around. Be careful opening and closing doors. && $$ HIZ001>021-023>025-027-191500- /O.EXT.PHFO.WI.Y.0002.000000T0000Z-180119T1600Z/ Niihau-Kauai Windward-Kauai Leeward-Kauai Mountains- Oahu South Shore-Waianae Coast-Oahu North Shore-Oahu Koolau- Olomana-Central Oahu-Waianae Mountains-Molokai Windward- Molokai Leeward-Lanai Makai-Lanai Mauka-Kahoolawe- Maui Windward West-Maui Leeward West-Maui Central Valley- Windward Haleakala-Leeward Haleakala-Kona-South Big Island- Big Island North and East-Big Island Interior- 346 PM HST Thu Jan 18 2018 ...WIND ADVISORY NOW IN EFFECT UNTIL 600 AM FRIDAY... * LOCATIONS...for all areas except the summits of Haleakala, Mauna Kea and Mauna Loa and for the Kohala District of the Big Island where a High Wind Warning is in effect. Winds will be strongest over and downslope to the west of the mountains on all the mountains including the central valley of Maui, central Oahu and the Waianae coast of Oahu. * WINDS...East 20 to 40 mph with localized gusts over 50 mph. * TIMING...Through late tonight. This advisory may need to be extended if conditions persist. * IMPACTS...Winds this strong can down tree branches and cause power outages. Driving will also be difficult. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra care when driving. Postpone hikes in the forest. Tie down tents or tarps securely. Be prepared for power outages. Secure lawn furniture and other outdoor objects that could be blown around. Be careful opening and closing doors. && $$ Donaldson
070 WWHW70 PHFO 191322 NPWHFO URGENT - WEATHER MESSAGE National Weather Service Honolulu HI 322 AM HST Fri Jan 19 2018 ...LOCALLY STRONG WINDS CONTINUE ACROSS KOHALA TODAY... .Strong and gusty winds will continue to blow across the Kohala district of the Big Island this morning and into the afternoon. HIZ026-200230- /O.CAN.PHFO.HW.W.0001.000000T0000Z-180119T1600Z/ /O.NEW.PHFO.WI.Y.0003.180119T1322Z-180120T0400Z/ Kohala- 322 AM HST Fri Jan 19 2018 ...WIND ADVISORY IN EFFECT UNTIL 6 PM HST THIS EVENING... ...HIGH WIND WARNING IS CANCELLED... The National Weather Service in Honolulu has issued a Wind Advisory, which is in effect until 6 PM HST this evening. The High Wind Warning has been cancelled. * LOCATIONS...Over the Kohala district of the Big Island with the strongest winds over and downslope to the west of the mountains including Kamuela, Waikoloa and Kawaihae. * WINDS...Northeast 25 to 40 mph with localized gusts over 50 mph. * TIMING...Through this afternoon. * IMPACTS...Winds this strong can down tree branches and cause power outages. Driving will also be difficult. PRECAUTIONARY/PREPAREDNESS ACTIONS... Avoid travel if possible. Postpone hikes in the forest and tent- camping. Stay away from downed power lines and be prepared for power outages. Secure lawn furniture and other outdoor objects that could be blown around. Be careful opening and closing doors. && $$ HIZ001>021-023>025-027-191430- /O.CAN.PHFO.WI.Y.0002.000000T0000Z-180119T1600Z/ Niihau-Kauai Windward-Kauai Leeward-Kauai Mountains- Oahu South Shore-Waianae Coast-Oahu North Shore-Oahu Koolau- Olomana-Central Oahu-Waianae Mountains-Molokai Windward- Molokai Leeward-Lanai Makai-Lanai Mauka-Kahoolawe- Maui Windward West-Maui Leeward West-Maui Central Valley- Windward Haleakala-Leeward Haleakala-Kona-South Big Island- Big Island North and East-Big Island Interior- 322 AM HST Fri Jan 19 2018 ...WIND ADVISORY IS CANCELLED... The National Weather Service in Honolulu has cancelled the Wind Advisory. Strong wind speeds have decreased across the state as the high pressure center to the northeast continues to move away from the islands. $$
The office that day
Everything else NWS Honolulu, HI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jan 17, 3:32 AM HST | Gale Warning | HFO | 48 hr | |
| Jan 17, 8:35 AM HST | High Surf Warning | HFO | Honolulu, Kauai, Kalawao | 11 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.