Public Tropical Cyclone Advisory
433 WTPA32 PHFO 141443 TCPCP2 BULLETIN Tropical Storm Lala Advisory Number 9 NWS Central Pacific Hurricane Center Honolulu HI CP012026 Issued by NWS National Hurricane Center Miami FL 500 AM HST Fri Aug 14 2026 ...NEW WATCHES AND WARNING ISSUED FOR THE HAWAIIAN ISLANDS... SUMMARY OF 500 AM HST...1500 UTC...INFORMATION ---------------------------------------------- LOCATION...16.7N 149.5W ABOUT 420 MI...680 KM ESE OF HILO HAWAII ABOUT 635 MI...1020 KM ESE OF HONOLULU HAWAII MAXIMUM SUSTAINED WINDS...60 MPH...95 KM/H PRESENT MOVEMENT...WNW OR 290 DEGREES AT 12 MPH...19 KM/H MINIMUM CENTRAL PRESSURE...997 MB...29.44 INCHES WATCHES AND WARNINGS -------------------- CHANGES WITH THIS ADVISORY: The Tropical Storm Watch for Maui County has been upgraded to a Tropical Storm Warning. A Tropical Storm Watch has been issued for Oahu and Kauai Counties. SUMMARY OF WATCHES AND WARNINGS IN EFFECT: A Hurricane Warning is in effect for... * Hawaii County A Tropical Storm Warning is in effect for... * Maui County, including the islands of Maui, Lanai, Molokai and Kahoolawe A Tropical Storm Watch is in effect for... * Oahu * Kauai County, including the islands of Kauai and Niihau A Hurricane Warning means that hurricane conditions are expected somewhere within the warning area. A warning is typically issued 36 hours before the anticipated first occurrence of tropical-storm-force winds, conditions that make outside preparations difficult or dangerous. Preparations to protect life and property should be rushed to completion. A Tropical Storm Warning means that tropical storm conditions are expected somewhere within the warning area within 36 hours. A Tropical Storm Watch means that tropical storm conditions are possible within the watch area, in this case within the next 36 to 48 hours. Interests in the Papahanaumokuakea Marine National Monument should monitor the progress of Lala. For storm information specific to your area, including possible inland watches and warnings, please monitor products issued by your local National Weather Service forecast office. DISCUSSION AND OUTLOOK ---------------------- At 500 AM HST (1500 UTC), the center of Tropical Storm Lala was located near latitude 16.7 North, longitude 149.5 West. Lala is moving toward the west-northwest near 12 mph (19 km/h). This general motion is expected to continue, taking the core of Lala near the Big Island of Hawaii on Saturday and then south of the smaller islands on Sunday. Maximum sustained winds remain near 60 mph (95 km/h) with higher gusts. Steady strengthening is forecast, and Lala is expected to become a hurricane as it approaches the Big Island. Tropical-storm-force winds extend outward up to 205 miles (335 km) north of the center. The estimated minimum central pressure is 997 mb (29.44 inches). HAZARDS AFFECTING LAND ---------------------- Key messages for Tropical Storm Lala can be found in the Tropical Cyclone Discussion under AWIPS header HFOTCPCP2 and WMO header WTPA42 PHFO. WIND: Hurricane conditions are expected on the Big Island of Hawaii on Saturday, with tropical storm conditions expected in Maui County Saturday night. Tropical storm conditions are possible in Oahu and Kauai Counties on Sunday. Wind speeds atop and on the windward sides of slopes and mountains are often up to 30 percent stronger than the near-surface winds indicated in this advisory, and in some elevated locations could be even greater. RAINFALL: Tropical Storm Lala is expected to produce rainfall totals of 8 to 12 inches across Maui and the Big Island, with maximum totals of 25 inches possible across the Big Island. Rainfall totals of 2 to 4 inches with maximum amounts of 8 inches is expected across the remainder of the island chain. This rainfall may produce life-threatening flooding and mudslides, especially in areas of steep terrain. For a complete depiction of forecast rainfall associated with Lala, please see the National Weather Service Storm Total Rainfall Graphic available at hurricanes.gov/graphics_cp2.shtml?rainqpf STORM SURGE: The combination of a dangerous storm surge and the tide will cause normally dry areas near the coast to be flooded by rising waters moving inland from the shoreline. The water could reach the following heights above ground somewhere in the indicated areas if the peak surge occurs at the time of high tide... Hawaii...1 to 3 ft The deepest water will occur along the immediate coast, where the surge will be accompanied by large and dangerous waves. Surge-related flooding depends on the relative timing of the surge and the tidal cycle, and can vary greatly over short distances. For information specific to your area, please see products issued by your local National Weather Service forecast office. For a complete depiction of areas at risk of storm surge inundation, please see the National Weather Service Peak Storm Surge Graphic, available at hurricanes.gov/graphics_cp2.shtml?peakSurge. SURF: Swells generated by Lala are expected to reach the east-facing shores of the state today, spreading westward and building through the weekend. These swells are likely to cause life-threatening surf and rip current conditions. Please consult products from your local weather office. NEXT ADVISORY ------------- Next intermediate advisory at 800 AM HST. Next complete advisory at 1100 AM HST.