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Maui Now : United Airlines flights to and from Kahului Airport Cancelled on Friday

ACTIVE ALERTS:

Flash Flood Warning issued August 23 at 11:34AM HST expiring August 23 at 2:45PM HST by NWS Honolulu HI

The National Weather Service in Honolulu has extended the * Flash Flood Warning for… The island of Maui in Maui County * Until 245 PM HST. * At 1130 AM HST, heavy rain continues over east Maui from Keanae to Kipahulu. Maui County emergency managers reported that Wainapanapa Road, Ulaino Road, and Waikoloa Road near Hana are closed. Kawaipapa Stream is also running very high. Rainfall over east Maui will continue for several more hours. * Locations in the warning include but are not limited to… Haiku-Pauwela, Huelo, Pauwela, Kipahulu, Nahiku, Kaupo, Hana, Makawao and Kula.

Tropical Cyclone Statement issued August 23 at 11:13AM HST by NWS Honolulu HI

This product covers the Hawaiian islands **EYE OF LANE PASSES OVER NOAA BUOY 51002 AS THE DANGEROUS HURRICANE CONTINUES TO SLOWLY MARCH TOWARD THE MAIN HAWAIIAN ISLANDS** NEW INFORMATION ————— * CHANGES TO WATCHES AND WARNINGS: – None * CURRENT WATCHES AND WARNINGS: – A Hurricane Watch is in effect for Kauai Leeward, Kauai Mountains, Kauai Windward, and Niihau – A Hurricane Warning is in effect for Big Island Interior, Big Island North and East, Big Island Summits, Central Oahu, Haleakala Summit, Kahoolawe, Kohala, Kona, Lanai Makai, Lanai Mauka, Leeward Haleakala, Maui Central Valley, Maui Leeward West, Maui Windward West, Molokai Leeward, Molokai Windward, Oahu Koolau, Oahu North Shore, Oahu South Shore, Olomana, South Big Island, Waianae Coast, Waianae Mountains, and Windward Haleakala * STORM INFORMATION: – About 275 miles south of Honolulu or about 200 miles south-southwest of Kailua-Kona – 17.3N 157.5W – Storm Intensity 130 mph – Movement Northwest or 320 degrees at 7 mph SITUATION OVERVIEW —————— Hurricane Lane remains a major category 4 storm late this morning, with maximum sustained winds of 130 mph. As of 11 AM HST, Hurricane Lane was located around 200 miles south-southwest of Kailua-Kona, Hawaii and 275 miles south of Honolulu, Hawaii. Lane is moving toward the northwest at around 7 mph. A slow northward motion is expected to begin this afternoon and continue through Friday. A turn toward the west is expected Saturday and Sunday, with an increase in forward speed. The latest forecast track from the Central Pacific Hurricane Center brings the center of Lane dangerously close to the main Hawaiian Islands Thursday afternoon through Saturday. Regardless of the exact track, life threatening impacts are likely over many areas as this strong hurricane makes its closest approach. Do not focus on the exact forecast track or intensity of Lane. Be prepared for changes in future forecasts. Although the official forecast does not explicitly indicate Lane’s center making landfall over any of the islands, this could still occur. The onset of damaging tropical storm-force winds is expected across portions of the Big Island today, with dangerous hurricane force winds expected in some areas by tonight. In Maui County, damaging tropical storm-force winds are expected late today, with dangerous hurricane force winds expected in some areas by Friday. On Oahu, damaging tropical storm force winds are expected to develop late tonight, with dangerous hurricane force winds expected Friday into Friday night. Tropical storm or hurricane conditions are possible on Kauai on Saturday. Outer rain bands associated with Hurricane Lane are already affecting all the main Hawaiian Islands. Widespread heavy rainfall and flash flooding is ongoing over portions of the Big Island and Maui. The rain bands will continue to spread northwest through Friday. Excessive rainfall is likely which could result in life threatening flash flooding, as well as landslides and mudslides. Flooding will be possible in areas that are typically not prone to flooding. Storm total rainfall amounts of 10 to 20 inches are expected to be common across the island chain, with localized amounts in excess of 30 inches. Swells generated by Lane will produce very large life-threatening surf and dangerous rip currents along southeast, south and southwest facing shores of all of the Hawaiian islands. Large surf is likely occurring along southeast facing shores on the Big Island. Surf is expected to increase today along southwest facing shores of the Big Island as well as along south and southeast facing shores from Maui County to Kauai County, with the surf becoming extremely large tonight through Saturday. Surf heights as large as 10 to 20 feet are expected along the Kau and Puna coasts of the Big Island, 10 to 15 feet along the Kona coast, and 10 to 20 feet along south and southeast facing coasts from Kauai County to Maui County. The combination of storm surge and large breaking waves is expected to raise water levels well above normal tide levels as Hurricane Lane makes its closest approach. Water levels could reach 2 to 4 feet above normal along southeast, south and southwest facing shores from Kauai to Maui, as well as southeast, south, southwest and west facing shores of the Big Island, provided that Lane makes landfall. This is expected to result in significant beach erosion and overwash onto vulnerable coastal roadways today through Saturday as Lane makes its closest approach, particularly for vulnerable low-lying coastal areas during and around the time of the normal high tide cycles. Tornadoes and large waterspouts will be possible with Lane, mainly along and to the right of the track of the hurricane. POTENTIAL IMPACTS —————– * FLOODING RAIN: Protect against life-threatening rainfall flooding having possible devastating impacts across the Hawaiian islands. Potential impacts include: – Extreme rainfall flooding may prompt numerous evacuations and rescues. – Rivers and tributaries may overwhelmingly overflow their banks in many places with deep moving water. Small streams, creeks, canals, arroyos, and ditches may become raging rivers. In mountain areas, deadly runoff may rage down valleys while increasing susceptibility to rockslides and mudslides. Flood control systems and barriers may become stressed. – Flood waters can enter numerous structures within multiple communities, some structures becoming uninhabitable or washed away. Numerous places where flood waters may cover escape routes. Streets and parking lots become rivers of raging water with underpasses submerged. Driving conditions become very dangerous. Numerous road and bridge closures with some weakened or washed out. * WIND: Protect against dangerous wind having possible significant impacts across Maui County, Oahu, and western and southern sections of the Big Island. Potential impacts in this area include: – Some damage to roofing and siding materials, along with damage to porches, awnings, carports, and sheds. A few buildings experiencing window, door, and garage door failures. Mobile homes damaged, especially if unanchored. Unsecured lightweight objects become dangerous projectiles. – Several large trees snapped or uprooted, but with greater numbers in places where trees are shallow rooted. Several fences and roadway signs blown over. – Some roads impassable from large debris, and more within urban or heavily wooded places. A few bridges, causeways, and access routes impassable. – Scattered power and communications outages, but more prevalent in areas with above ground lines. Also, protect against hazardous wind having possible limited impacts across northern and eastern sections of the Big Island and Kauai. * SURGE: Protect against life-threatening surge having possible significant impacts across southeast, south and southwest facing coastlines. Potential impacts in this area include: – Areas of inundation with storm surge flooding accentuated by waves. Damage to several buildings, mainly near the coast. – Sections of near-shore escape routes and secondary roads become weakened or washed out, especially in usually vulnerable low spots. – Major beach erosion with heavy surf breaching dunes. Strong and numerous rip currents. – Moderate damage to marinas, docks, boardwalks, and piers. Several small craft broken away from moorings, especially in unprotected anchorages. Elsewhere across the Hawaiian islands, little to no surge impact is expected at this time. * TORNADOES: Protect against a tornado event having possible limited impacts across the Hawaiian islands. Potential impacts include: – The occurrence of isolated tornadoes can hinder the execution of emergency plans during tropical events. – A few places may experience tornado damage, along with power and communications disruptions. – Locations could realize roofs peeled off buildings, chimneys toppled, mobile homes pushed off foundations or overturned, large tree tops and branches snapped off, shallow-rooted trees knocked over, moving vehicles blown off roads, and small boats pulled from moorings.

Hurricane Warning issued August 23 at 10:57AM HST by NWS Honolulu HI

* LOCATIONS AFFECTED – Pukoo – Halawa Valley – Kalaupapa * WIND – LATEST LOCAL FORECAST: Equivalent Tropical Storm force wind – Peak Wind Forecast: 30-40 mph with gusts to 55 mph – POTENTIAL THREAT TO LIFE AND PROPERTY: Potential for wind 58 to 73 mph – The wind threat has remained nearly steady from the previous assessment. – PLAN: Plan for dangerous wind of equivalent strong tropical storm force due to possible forecast changes in track, size, or intensity. – PREPARE: Remaining efforts to protect life and property should be completed as soon as possible. Prepare for significant wind damage. – ACT: Move to safe shelter before the wind becomes hazardous. – POTENTIAL IMPACTS: Significant – Some damage to roofing and siding materials, along with damage to porches, awnings, carports, and sheds. A few buildings experiencing window, door, and garage door failures. Mobile homes damaged, especially if unanchored. Unsecured lightweight objects become dangerous projectiles. – Several large trees snapped or uprooted, but with greater numbers in places where trees are shallow rooted. Several fences and roadway signs blown over. – Some roads impassable from large debris, and more within urban or heavily wooded places. A few bridges, causeways, and access routes impassable. – Scattered power and communications outages, but more prevalent in areas with above ground lines. * STORM SURGE – LATEST LOCAL FORECAST: Localized storm surge possible – Peak Storm Surge Inundation: The potential for up to 2 feet above ground somewhere within surge prone areas – Window of concern: through early Friday morning – POTENTIAL THREAT TO LIFE AND PROPERTY: Potential for storm surge flooding greater than 1 foot above ground – The storm surge threat has remained nearly steady from the previous assessment. – PLAN: Shelter against storm surge flooding greater than 1 foot above ground. – PREPARE: All flood preparations should be complete. Expect flooding of low-lying roads and property. – ACT: Stay away from storm surge prone areas. Continue to follow the instructions of local officials. – POTENTIAL IMPACTS: Unfolding – Potential impacts from the main surge event are unfolding. * FLOODING RAIN – LATEST LOCAL FORECAST: Flash Flood Watch is in effect – Peak Rainfall Amounts: Additional 10-15 inches, with locally higher amounts – POTENTIAL THREAT TO LIFE AND PROPERTY: Potential for extreme flooding rain – The flooding rain threat has remained nearly steady from the previous assessment. – PLAN: Emergency plans should include the potential for extreme flooding from heavy rain. Evacuations and rescues are likely. – PREPARE: Urgently consider protective actions from extreme and widespread rainfall flooding. – ACT: Heed any flood watches and warnings. Failure to take action will likely result in serious injury or loss of life. – POTENTIAL IMPACTS: Devastating to Catastrophic – Extreme rainfall flooding may prompt numerous evacuations and rescues. – Rivers and tributaries may overwhelmingly overflow their banks in many places with deep moving water. Small streams, creeks, canals, arroyos, and ditches may become raging rivers. In mountain areas, deadly runoff may rage down valleys while increasing susceptibility to rockslides and mudslides. Flood control systems and barriers may become stressed. – Flood waters can enter numerous structures within multiple communities, some structures becoming uninhabitable or washed away. Numerous places where flood waters may cover escape routes. Streets and parking lots become rivers of raging water with underpasses submerged. Driving conditions become very dangerous. Numerous road and bridge closures with some weakened or washed out. * TORNADO – LATEST LOCAL FORECAST: – Situation is somewhat favorable for tornadoes – POTENTIAL THREAT TO LIFE AND PROPERTY: Potential for a few tornadoes – The tornado threat has remained nearly steady from the previous assessment. – PLAN: Emergency plans should include the potential for a few tornadoes. – PREPARE: If your shelter is particularly vulnerable to tornadoes, prepare to relocate to safe shelter before hazardous weather arrives. – ACT: If a tornado warning is issued, be ready to shelter quickly. – POTENTIAL IMPACTS: Limited – The occurrence of isolated tornadoes can hinder the execution of emergency plans during tropical events. – A few places may experience tornado damage, along with power and communications disruptions. – Locations could realize roofs peeled off buildings, chimneys toppled, mobile homes pushed off foundations or overturned, large tree tops and branches snapped off, shallow-rooted trees knocked over, moving vehicles blown off roads, and small boats pulled from moorings. * FOR MORE INFORMATION: – http://www.prh.noaa.gov/hnl

High Surf Warning issued August 23 at 6:26AM HST expiring August 24 at 6:00PM HST by NWS Honolulu HI

Life-threatening surf will impact south facing shores of all Hawaiian Islands through Friday as Hurricane Lane approaches. * SURF…7 to 10 feet, rising to 10 to 15 feet by tonight, then 12 to 20 feet Friday. * TIMING…peaking tonight through Friday. * IMPACTS…Extreme…Ocean water sweeping over shorelines and large breaking waves affecting harbor entrances. Damage to coastal properties and infrastructure, including roadways, docks, piers, ramps, and boats.

Flash Flood Watch issued August 23 at 6:01AM HST expiring August 25 at 6:00AM HST by NWS Honolulu HI

Deep tropical moisture associated with Lane will continue to spread across the island chain from the southeast, with increased potential for heavy rainfall and flooding. The Flash Flood Watch continues for * Entire State of Hawaii. * Through late Friday night * Abundant moisture from Hurricane Lane is moving across the Big Island and Maui, and will continue to spread across the rest of the islands through Friday. Heavy rainfall is expected, especially along southeast and east facing slopes. Storm total rainfall amounts greater than 20 inches are possible. The flooding threat will increase as Hurricane Lane approaches. * In addition to flood prone areas, heavy rain events of this size may cause flooding in areas outside of designated flood zones. Low spots in roads will become dangerous and impassible due to severe runoff. High amounts of debris in streams and gulches may clog bridges and culverts resulting in dangerous flooding outside the normal channels and significant property damage.

Tropical Cyclone Statement issued August 23 at 5:59AM HST by NWS Honolulu HI

This product covers the Hawaiian islands **LANE APPROACHING THE HAWAIIAN ISLANDS AS A MAJOR CATEGORY 4 HURRICANE** NEW INFORMATION ————— * CHANGES TO WATCHES AND WARNINGS: – None * CURRENT WATCHES AND WARNINGS: – A Hurricane Watch is in effect for Kauai Leeward, Kauai Mountains, Kauai Windward, and Niihau – A Hurricane Warning is in effect for Big Island Interior, Big Island North and East, Big Island Summits, Central Oahu, Haleakala Summit, Kahoolawe, Kohala, Kona, Lanai Makai, Lanai Mauka, Leeward Haleakala, Maui Central Valley, Maui Leeward West, Maui Windward West, Molokai Leeward, Molokai Windward, Oahu Koolau, Oahu North Shore, Oahu South Shore, Olomana, South Big Island, Waianae Coast, Waianae Mountains, and Windward Haleakala * STORM INFORMATION: – About 310 miles south of Honolulu or about 210 miles south-southwest of Kailua-Kona – 16.9N 157.4W – Storm Intensity 130 mph – Movement Northwest or 320 degrees at 7 mph SITUATION OVERVIEW —————— Hurricane Lane remains a major category 4 storm early this morning, with maximum sustained winds of 130 mph. As of 5 AM, Hurricane Lane was located around 210 miles south-southwest of Kailua-Kona, Hawaii and 305 miles south of Honolulu, Hawaii. Lane is moving northwest at around 7 mph. This general motion is expected to continue today with a turn toward the north-northwest, followed by a turn toward the north tonight through Friday with a decrease in forward speed. A turn back toward the west is then expected Saturday and Sunday. The latest forecast track from the Central Pacific Hurricane Center brings the center of Lane dangerously close to the Hawaiian Islands during the Thursday through Saturday time frame. Regardless of the exact track, life threatening impacts are likely over many areas as this strong hurricane makes its closest approach. All individuals in Hawaii are urged not to focus on the exact forecast track or intensity of Lane, and be prepared for adjustments in future forecast updates. Although the official forecast does not explicitly indicate Lane’s center making landfall over any of the islands, this could still occur. The onset of damaging tropical storm-force winds are expected to develop across portions of the Big Island later this morning, with dangerous hurricane force winds expected by tonight. In Maui County, damaging tropical storm-force winds are expected late today or tonight, with dangerous hurricane force winds expected in some areas by Friday. On Oahu, damaging tropical storm force winds are expected to develop late tonight, with dangerous hurricane force winds expected Friday into Friday night. A Hurricane or Tropical Storm Warning may needed for Kauai County as Lane draws closer. Outer rain bands associated with Hurricane Lane are already affecting the Big Island and Maui, with widespread heavy rainfall and flash flooding ongoing over windward portions of the Big Island. The rain bands will continue to spread from southeast to northwest across the other islands today through Friday. Excessive rainfall is likely which could result in life threatening flash flooding, as well as landslides and mudslides. Flooding from these heavy rains will also be possible in areas that are typically not prone to flooding. Storm total rainfall amounts of 10 to 20 inches are expected to be common across the island chain, with localized amounts in excess of 30 inches. Swells generated by Lane will produce very large life-threatening surf and dangerous rip currents along south, southeast and southwest facing shores of all of the Hawaiian islands. Large surf is already occurring along southeast facing shores of the Big Island. Surf is expected to increase today along southwest facing shores of the Big Island as well as along south and southeast facing shores from Maui County to Kauai County, with the surf becoming extremely large tonight through Saturday. Surf heights as large as 15 to 25 feet are expected along the Kau and Puna coasts of the Big Island, 10 to 15 feet along the Kona coast, and 12 to 20 feet along south and southeast facing coasts from Kauai County to Maui County. The combination of storm surge and large breaking waves is expected to raise water levels well above normal tide levels as Hurricane Lane makes its closest approach. Water levels could reach 2 to 4 feet above normal along south and west facing shores from Kauai to Maui, as well as southeast facing shores of the Big Island, with water levels as high as 3 to 5 feet above normal along west facing shores of the Big Island, provided that Lane makes landfall. This is expected to result in significant beach erosion and overwash onto vulnerable coastal roadways today through Saturday as Lane makes its closest approach, particularly for vulnerable low-lying coastal areas during and around the time of the normal high tide cycles. Tornadoes and large waterspouts will be possible with Lane, mainly along and to the right of the track of the hurricane. POTENTIAL IMPACTS —————– * FLOODING RAIN: Protect against life-threatening rainfall flooding having possible devastating impacts across the Hawaiian islands. Potential impacts include: – Extreme rainfall flooding may prompt numerous evacuations and rescues. – Rivers and tributaries may overwhelmingly overflow their banks in many places with deep moving water. Small streams, creeks, canals, arroyos, and ditches may become raging rivers. In mountain areas, deadly runoff may rage down valleys while increasing susceptibility to rockslides and mudslides. Flood control systems and barriers may become stressed. – Flood waters can enter numerous structures within multiple communities, some structures becoming uninhabitable or washed away. Numerous places where flood waters may cover escape routes. Streets and parking lots become rivers of raging water with underpasses submerged. Driving conditions become very dangerous. Numerous road and bridge closures with some weakened or washed out. * WIND: Protect against dangerous wind having possible significant impacts across Maui County, Oahu, and western and southern sections of the Big Island. Potential impacts in this area include: – Some damage to roofing and siding materials, along with damage to porches, awnings, carports, and sheds. A few buildings experiencing window, door, and garage door failures. Mobile homes damaged, especially if unanchored. Unsecured lightweight objects become dangerous projectiles. – Several large trees snapped or uprooted, but with greater numbers in places where trees are shallow rooted. Several fences and roadway signs blown over. – Some roads impassable from large debris, and more within urban or heavily wooded places. A few bridges, causeways, and access routes impassable. – Scattered power and communications outages, but more prevalent in areas with above ground lines. Also, protect against hazardous wind having possible limited impacts across the northern and eastern sections of the Big Island and Kauai. * SURGE: Protect against life-threatening surge having possible significant impacts across southeast, south and southwest facing coastlines. Potential impacts in this area include: – Areas of inundation with storm surge flooding accentuated by waves. Damage to several buildings, mainly near the coast. – Sections of near-shore escape routes and secondary roads become weakened or washed out, especially in usually vulnerable low spots. – Major beach erosion with heavy surf breaching dunes. Strong and numerous rip currents. – Moderate damage to marinas, docks, boardwalks, and piers. Several small craft broken away from moorings, especially in unprotected anchorages. Elsewhere across the Hawaiian islands, little to no surge impact is expected at this time. * TORNADOES: Protect against a tornado event having possible limited impacts across the Hawaiian islands. Potential impacts include: – The occurrence of isolated tornadoes can hinder the execution of emergency plans during tropical events. – A few places may experience tornado damage, along with power and communications disruptions. – Locations could realize roofs peeled off buildings, chimneys toppled, mobile homes pushed off foundations or overturned, large tree tops and branches snapped off, shallow-rooted trees knocked over, moving vehicles blown off roads, and small boats pulled from moorings.

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