Tropical Cyclone Local Statement for Niihau; Kauai Southwest; Kauai Mountains +40 more

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HLSHFO This product covers the Hawaiian islands **LINGERING TROPICAL STORM CONDITIONS ACROSS KAUAI COUNTY** NEW INFORMATION --------------- * CHANGES TO WATCHES AND WARNINGS: None * CURRENT WATCHES AND WARNINGS: A Tropical Storm Warning is in effect for Kauai East, Kauai Mountains, Kauai North, Kauai South, Kauai Southwest, and Niihau * STORM INFORMATION: About 170 miles west-southwest of Lihue 20.7N 161.6W Storm Intensity 65 mph Movement West or 265 degrees at 16 mph SITUATION OVERVIEW ------------------ Areas of heavy rain leading to flash flooding, elevated winds, and high surf continue this evening across portions of the state as Tropical Storm Lala continues to move away from the islands. The center of Tropical Storm Lala is located southwest of Kauai and will continue to move west away from the state through this evening. A Tropical Storm Warning is still in effect for Kauai County and surrounding coastal waters. Impacts can extend well beyond the center of the tropical storm so continue to stay aware of the latest forecast and current weather conditions. Over the past 3 hours the heaviest rainfall associated with Tropical Storm Lala occurred over the islands of Kauai, Oahu, and the eastern part of Maui. Outer rain bands from Lala have the potential to bring periods of locally heavy rain to Maui County, Oahu, and Kauai County through early Monday morning. Saturated soil from receiving 15 to 35 inches over the Big Island over last 24 hours will keep the flood threat elevated. Lala is expected to produce additional rainfall of 1 to 3 inches across the Big Island with an additional 2 to 4, locally up to 6, inches of rain for the smaller islands. While the highest rainfall amounts will be focused over windward areas and higher terrain, leeward areas will also have a significant flood risk. Winds will remain elevated for Kauai County into this evening. Elsewhere winds have decreased with sustained winds up to 20 mph and gusts 30 to locally up to 40 mph. Winds will continue to decrease into Monday morning. East swell generated by Lala will remain elevated near Kauai this evening. Beach erosion and overwash are still possible across vulnerable coastal infrastructure near Kauai. Elsewhere, ocean conditions continue to improve. POTENTIAL IMPACTS ----------------- * WIND: Potential impacts from the main wind event continue for Kauai County. Remain well sheltered from hazardous wind having additional limited impacts. If realized, these impacts include: Damage to porches, awnings, carports, sheds, and unanchored mobile homes. Unsecured lightweight objects blown about. Many large tree limbs broken off. A few trees snapped or uprooted, but with greater numbers in places where trees are shallow rooted. Some fences and roadway signs blown over. A few roads impassable from debris, particularly within urban or heavily wooded places. Hazardous driving conditions on bridges and other elevated roadways. Scattered power and communications outages. Elsewhere across the Hawaiian islands, little to no impact is anticipated. * SURGE: Little to no impacts are anticipated at this time across the Hawaiian islands. * FLOODING RAIN: Potential impacts from the flooding rain linger across Kauai, Oahu, and Maui County. Remain well guarded against dangerous flood waters having additional impacts. If realized, these impacts include: Moderate rainfall flooding may prompt several evacuations and rescues. Rivers and tributaries may quickly become swollen with swifter currents and overspill their banks in a few places, especially in usually vulnerable spots. Small streams, creeks, canals, arroyos, and ditches overflow. Flood waters can enter some structures or weaken foundations. Several places may experience expanded areas of rapid inundation at underpasses, low-lying spots, and poor drainage areas. Some streets and parking lots take on moving water as storm drains and retention ponds overflow. Driving conditions become hazardous. Some road and bridge closures. Impacts from the flooding rain across Kauai, Oahu, and Maui County have the potential to continue into Monday morning. Remain well guarded against locally hazardous flood waters having additional limited impacts. * TORNADOES: Potential impacts from tornadoes linger for Kauai County. Remain well braced against a tornado event having possible limited impacts. If realized, these 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. Elsewhere across the Hawaiian islands, little to no impact is anticipated. PRECAUTIONARY/PREPAREDNESS ACTIONS ---------------------------------- * EVACUATIONS: Follow the advice of local officials * OTHER PREPAREDNESS INFORMATION: Keep your cell phone charged and in power-saving mode. If you lose power, use it sparingly and mainly for personal emergencies and check-ins. Do not be a thrill seeker or risk your life for senseless photos or videos. If you are prone to flooding, be prepared for the possibility of a quick and dramatic rise in water levels. * ADDITIONAL SOURCES OF INFORMATION: For information on appropriate preparations see ready.gov For information on creating an emergency plan see getagameplan.org For additional disaster preparedness information see redcross.org NEXT UPDATE ----------- The next local statement will be issued by the National Weather Service in Honolulu HI around 8 PM HST, or sooner if conditions warrant.