A cold front with good upper level support pushed its way through the island chain around the Christmas holiday, bringing periods of heavy precipitation, isolated thunderstorms, and strong to high winds.  The weather system caused a flash flood and felled trees and power poles, especially on the Garden Isle of Kauai.  No significant injuries were reported.

Heavy Rain in KAUAI, HAWAII
From 24-DEC-19 17:52:00 to 24-DEC-19 23:33:00 (HST-10)
Location: POKII
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Official NWS Observations

Strong Wind in KAUAI WINDWARD, HAWAII
From 24-DEC-19 23:05:00 to 24-DEC-19 23:05:00 (HST-10)
Magnitude: 39.00 EG
Property damage: 2.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Winds downed power lines on North Papalina Road in Kalaheo on Kauai.

Flash Flood in KAUAI, HAWAII
From 25-DEC-19 04:45:00 to 25-DEC-19 12:50:00 (HST-10)
Location: PRINCEVILLE
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Kuhio Highway was closed near the Hanalei Bridge due to the Hanalei River overflowing its banks.

Strong Wind in KAUAI WINDWARD, HAWAII
From 25-DEC-19 05:30:00 to 25-DEC-19 05:30:00 (HST-10)
Magnitude: 41.00 EG
Property damage: 8.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Strong gusty winds toppled 4 power poles along Kuhio Highway at mile marker 24, near the Hanalei Transfer Station.  This closed the roadway for a time at that location.

Strong Wind in KAUAI LEEWARD, HAWAII
From 25-DEC-19 05:30:00 to 25-DEC-19 05:30:00 (HST-10)
Magnitude: 38.00 EG
Property damage: 0.00K
Crop damage: 1.00K
Reported by: Emergency Manager

Kamualii Highway near Mamo Road in Kekaha on Kauai was closed due to a downed tree.

Strong Wind in KAUAI WINDWARD, HAWAII
From 25-DEC-19 05:30:00 to 25-DEC-19 05:30:00 (HST-10)
Magnitude: 36.00 EG
Property damage: 0.00K
Crop damage: 1.00K
Reported by: Emergency Manager

Waipouli Road near Olohena Road in Kapaa on Kauai was closed due to a downed tree.

High Wind in OAHU KOOLAU, HAWAII
From 25-DEC-19 08:58:00 to 25-DEC-19 08:58:00 (HST-10)
Magnitude: 55.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Other Federal Agency

Winds gusted to 63 mph at Maakua Ridge near Hauula on Oahu.

Debris Flow in HONOLULU, HAWAII
From 25-DEC-19 11:39:00 to 25-DEC-19 11:39:00 (HST-10)
Location: MAUNAWILI
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

On Oahu, a rock slide occurred along Pali Highway near the tunnel, closing the Kailua-bound lanes for a time starting at Waokanaka Street.

Heavy Rain in HONOLULU, HAWAII
From 25-DEC-19 12:07:00 to 25-DEC-19 16:57:00 (HST-10)
Location: MOKULEIA
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Official NWS Observations

Heavy Rain in MAUI, HAWAII
From 25-DEC-19 20:56:00 to 25-DEC-19 23:44:00 (HST-10)
Location: HONOKOHAU
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Official NWS Observations

Heavy Rain in HAWAII, HAWAII
From 26-DEC-19 01:10:00 to 26-DEC-19 03:57:00 (HST-10)
Location: HONAUNAU NATIONAL PK
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Official NWS Observations

Heavy Rain in HAWAII, HAWAII
From 27-DEC-19 03:06:00 to 27-DEC-19 05:33:00 (HST-10)
Location: HAWI
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Official NWS Observations

High Wind in BIG ISLAND SUMMIT, HAWAII
From 25-DEC-19 12:29:00 to 26-DEC-19 02:59:00 (HST-10)
Magnitude: 72.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Winds, mainly from the southwest, gusted over 80 mph for a time over the Big Island summits of Mauna Kea and Mauna Loa.