Public Tropical Cyclone Advisory
952 WTPA32 PHFO 242055 TCPCP2 BULLETIN Tropical Storm Nolo Advisory Number 17 NWS Central Pacific Hurricane Center Honolulu HI EP152026 Issued by NWS National Hurricane Center Miami FL 1100 AM HST Thu Sep 24 2026 ...TROPICAL STORM WARNING ISSUED FOR HAWAII COUNTY... ...NOLO NEARING HURRICANE STRENGTH... SUMMARY OF 1100 AM HST...2100 UTC...INFORMATION ----------------------------------------------- LOCATION...14.9N 156.1W ABOUT 285 MI...460 KM S OF SOUTH POINT HAWAII ABOUT 455 MI...735 KM SSE OF HONOLULU HAWAII MAXIMUM SUSTAINED WINDS...70 MPH...110 KM/H PRESENT MOVEMENT...N OR 360 DEGREES AT 2 MPH...4 KM/H MINIMUM CENTRAL PRESSURE...992 MB...29.30 INCHES WATCHES AND WARNINGS -------------------- CHANGES WITH THIS ADVISORY: A Tropical Storm Warning has been issued for Hawaii County. A Tropical Storm Watch has been issued for Maui County, including the islands of Maui, Lanai, Molokai and Kahoolawe. SUMMARY OF WATCHES AND WARNINGS IN EFFECT: A Hurricane Watch is in effect for... * Hawaii County A Tropical Storm Warning is in effect for... * Hawaii County A Tropical Storm Watch is in effect for... * Maui County A Hurricane Watch means that hurricane conditions are possible within the watch area. 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, generally within 48 hours. Interests elsewhere in the Hawaiian Islands should closely monitor the progress of this system as additional watches or warnings could be required. 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 1100 AM HST (2100 UTC), the center of Tropical Storm Nolo was located near latitude 14.9 North, longitude 156.1 West. Nolo is moving toward the north near 2 mph (4 km/h). A faster motion to the north or north-northeast is expected later today through Friday, followed by a sharp westward turn on Saturday in the vicinity of the Big Island. Maximum sustained winds are near 70 mph (110 km/h) with higher gusts. Nolo is forecast to become a hurricane by tonight and a major hurricane by this weekend. Tropical-storm-force winds extend outward up to 90 miles (150 km) from the center. The estimated minimum central pressure is 992 mb (29.30 inches). HAZARDS AFFECTING LAND ---------------------- Key messages for Nolo can be found in the Tropical Cyclone Discussion under AWIPS header HFOTCDCP2 and WMO header WTPA42 PHFO. WIND: Tropical storm conditions are expected to begin by late Friday in the warning area, with hurricane conditions possible by early Saturday. Tropical storm conditions are possible in the tropical storm watch area beginning on Saturday. RAINFALL: For the Big Island, Nolo will produce rainfall totals of 15 to 30 inches with maximum amounts of 35 inches. This rainfall could produce catastrophic life-threatening flooding and mudslides, especially in areas of steep terrain. For Maui, rainfall totals of 5 to 10 inches with maximum amounts of 20 inches are expected. Life-threatening flooding and mudslides are possible, especially in areas of high terrain. Across the remainder of the Hawaiian Islands, rainfall totals of 1 to 3 inches with maximum amounts of 6 inches are expected with isolated flooding possible. For a complete depiction of forecast rainfall associated with Nolo, 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 County...1 to 3 ft The deepest water will occur along the immediate coast near and to the right of the landfall location, 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 Nolo are expected to reach exposed east and south-facing shores of the Big Island by Friday, 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 200 PM HST. Next complete advisory at 500 PM HST.