526 NOHW40 PHFO 220139 PNSHFO HIZ001-003-004-006-007-009>011-015>018-022-023-026>054-221330- Public Information Statement National Weather Service Honolulu HI 330 PM HST Fri Apr 21 2023 ...FRONT BRINGS WINDS AND RAIN TO HAWAII... A strong cold front swept across Kauai County Tuesday night and Oahu and Maui County on Wednesday, before stalling and weakening near Hawaii County Wednesday night. Southerly winds and heavy rain developed ahead of the front, with thunderstorms bringing even gustier winds and rain closer to the front. The first reports of flash flooding occurred on the Big Island Tuesday evening when Highway 11 was closed near Kawa Flats. On Wednesday, Piilani Highway was unpassable between mile markers 29 and 31 due to flood waters. Wind damage was greatest on Oahu Tuesday night, associated with convection near the cold front, with reports of uprooted trees and widespread power outages. The following are notable rainfall totals for the 48-hr period ending at 8 AM HST, April 20. All amounts are in inches. These totals are considered preliminary for information purposes only. Location 48-hr total ...Kauai... Mount Waialeale (USGS) 5.00 North Wailua Ditch (USGS) 4.58 Waiahi Rain Gage (USGS) 3.78 ...Oahu... Poamoho 4.72 Waiawa Correction Facility 4.46 Luluku 3.37 Maunawili 3.35 ...Maui... Kepuni (USGS) 5.43 Ulupalakua Ranch 4.40 Puu Kukui (USGS) 4.37 ...Big Island... Pali 2 15.29 Pahala 4.44 Lower Kahuku 4.20 Kapapala Ranch 3.13 The following are peak wind gusts from April 18 to 19, 2023. Wind gusts are in miles per hour (MPH). ...HIGHEST WIND REPORTS... Location Speed Time/Date ...Kauai... Nawiliwili 40 MPH 0448 PM 04/18 Lihue Airport 40 MPH 0453 PM 04/18 Moloaa Dairy 33 MPH 0645 AM 04/18 Barking Sands 33 MPH 0218 PM 04/18 ...Oahu... Honolulu Harbor 50 MPH 0145 AM 04/19 Kalaeloa Airport 48 MPH 0144 AM 04/19 Honolulu Airport 47 MPH 0147 AM 04/19 Makapuu Beach 47 MPH 0301 AM 04/19 Kaneohe Mcas 46 MPH 0210 AM 04/19 Schofield East 43 MPH 1158 PM 04/18 Kuaokala 39 MPH 1236 PM 04/18 Mokuleia 39 MPH 0303 AM 04/19 Kaneohe 37 MPH 0230 AM 04/19 Pearl City 37 MPH 0205 AM 04/19 Laniakea 37 MPH 1249 PM 04/18 Wheeler Air Force Base 36 MPH 0239 AM 04/19 Schofield Barracks 35 MPH 1157 PM 04/18 Makua Range 34 MPH 1258 PM 04/18 Oahu Forest NWR (USFWS) 34 MPH 0936 AM 04/18 Laie 30 MPH 0128 AM 04/19 ...Maui County... Makapulapai 57 MPH 0315 AM 04/19 Kihei 47 MPH 0600 AM 04/19 Kahului Airport 46 MPH 0226 AM 04/19 KULA 43 MPH 0345 AM 04/19 Molokai Airport 39 MPH 0136 AM 04/19 AH6GR Maui 37 MPH 0321 AM 04/19 Kanaha WF 37 MPH 0312 AM 04/19 Lanai Airport 35 MPH 0456 AM 04/19 Kealia Pond (USFWS) 31 MPH 0620 AM 04/19 ...Big Island... Kailua Kona Airport 39 MPH 0151 PM 04/19 Kaloko-Honokohau 31 MPH 0615 AM 04/19 Hilo 31 MPH 0120 PM 04/19 Observations are collected from a variety of sources with varying equipment and exposures. We thank all volunteer weather observers for their dedication. Not all data listed are considered official. $$