An upper trough in the vicinity of the Hawaiian Islands brought heavy rain and flash flooding to Kauai and Oahu.  There were no reports of serious injuries.  The cost of damages was not available.

Flash Flood in HONOLULU, HAWAII
From 06-MAR-12 15:30:00 to 06-MAR-12 16:06:00 (HST-10)
Location: WAIALAE
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

City Emergency Management reported the closure of Diamond Head Road due to a debris flow from flooding.

Lightning in HONOLULU, HAWAII
From 05-MAR-12 21:50:00 to 05-MAR-12 22:00:00 (HST-10)
Location: WAIKIKI
Property damage: 10.00K
Crop damage: 0.00K
Reported by: Broadcast Media

Lightning was reported to have struck the roof of the Ilikai Hotel, causing a structure fire.

Hail in HONOLULU, HAWAII
From 06-MAR-12 09:27:00 to 06-MAR-12 09:37:00 (HST-10)
Location: KAHALA
Magnitude: 1.50 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail fell from Kahala to Waimanalo on Oahu.  Largest hail stones, based on photos, were about 1.5 inches on the long axis.

Heavy Rain in HONOLULU, HAWAII
From 02-MAR-12 12:45:00 to 03-MAR-12 00:33:00 (HST-10)
Location: KAHUKU
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Official NWS Observations

Flash Flood in KAUAI, HAWAII
From 03-MAR-12 22:25:00 to 06-MAR-12 16:06:00 (HST-10)
Location: PRINCEVILLE
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Hanalei River Bridge reported closed around 1025PM.

Flash Flood in KAUAI, HAWAII
From 03-MAR-12 22:25:00 to 06-MAR-12 16:06:00 (HST-10)
Location: OMAO
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Portion of Kaumualii Highway closed between mile marker 4 and Maluhia Junction.

Flash Flood in KAUAI, HAWAII
From 04-MAR-12 04:45:00 to 06-MAR-12 16:06:00 (HST-10)
Location: OMAO
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Portion of Kaumualii Highway closed between mile marker 4 and Maluhia Road.

Flash Flood in KAUAI, HAWAII
From 04-MAR-12 09:00:00 to 06-MAR-12 16:06:00 (HST-10)
Location: KOLOA
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Wailani and Wailaau roads closed.

Flash Flood in KAUAI, HAWAII
From 04-MAR-12 09:00:00 to 06-MAR-12 16:06:00 (HST-10)
Location: HANAMAULU
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Power outages reported near Lihue Airport.

Flash Flood in KAUAI, HAWAII
From 04-MAR-12 09:00:00 to 06-MAR-12 16:06:00 (HST-10)
Location: KAPAA
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Hauaala Road closed in the vicinity of the Keapana Bridge.

Flash Flood in KAUAI, HAWAII
From 04-MAR-12 09:00:00 to 06-MAR-12 16:06:00 (HST-10)
Location: PRINCEVILLE
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Kuhio Highway closed in the vicinity of the Hanalei Bridge.

Flash Flood in KAUAI, HAWAII
From 04-MAR-12 09:00:00 to 06-MAR-12 16:06:00 (HST-10)
Location: PRINCEVILLE
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Kuhio Highway closed in the vicinity of the Hanalei Bridge.

Flash Flood in KAUAI, HAWAII
From 04-MAR-12 09:00:00 to 06-MAR-12 16:06:00 (HST-10)
Location: KALIHIWAI
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Southbound lane of Kalihiwai Bridge closed because of high water.

Flash Flood in KAUAI, HAWAII
From 04-MAR-12 11:35:00 to 06-MAR-12 16:06:00 (HST-10)
Location: HANALEI
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Kuhio Highway closed near Haena Beach Park due to flooding.

Flash Flood in KAUAI, HAWAII
From 05-MAR-12 04:15:00 to 06-MAR-12 16:06:00 (HST-10)
Location: HANALEI
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Debris flow blocking both lanes of Kuhio Highway.

Flash Flood in KAUAI, HAWAII
From 05-MAR-12 13:27:00 to 06-MAR-12 16:06:00 (HST-10)
Location: WAILUA HOMESTEADS
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Kamalu Road closed near Wailua Homesteads Park because of flooding.

Flash Flood in KAUAI, HAWAII
From 05-MAR-12 13:27:00 to 06-MAR-12 16:06:00 (HST-10)
Location: KAPAA
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Olohena Road closed at the bridge near Kapaa Middle School because of high water.

Flash Flood in HONOLULU, HAWAII
From 05-MAR-12 06:20:00 to 06-MAR-12 16:06:00 (HST-10)
Location: WAIKANE
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Broadcast Media

Waikane Stream overflowed because of heavy rain.  Kamehameha Highway was then closed in both directions near Waikane and Waiahole.

Flash Flood in HONOLULU, HAWAII
From 05-MAR-12 03:20:00 to 06-MAR-12 16:06:00 (HST-10)
Location: MANOA
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: NWS Employee

Water from heavy rain washed under a home in Manoa, and there was minor flooding on the road.

Flash Flood in HONOLULU, HAWAII
From 05-MAR-12 07:25:00 to 06-MAR-12 16:06:00 (HST-10)
Location: KAILUA
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Kapaa Quarry Road was closed due to flooding.

Flash Flood in HONOLULU, HAWAII
From 05-MAR-12 06:54:00 to 06-MAR-12 16:06:00 (HST-10)
Location: TANTALUS
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Broadcast Media

Tree downed on Tantalus Drive obstructing the road near the 3600 block.

Flash Flood in HONOLULU, HAWAII
From 06-MAR-12 09:15:00 to 06-MAR-12 16:06:00 (HST-10)
Location: HAWAII KAI
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Flash flooding caused a debris flow that partially closed Kalanianaole Highway near the Halona Blow Hole near Sandy Beach.

Flash Flood in HONOLULU, HAWAII
From 06-MAR-12 13:45:00 to 06-MAR-12 16:06:00 (HST-10)
Location: KAILUA
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: County Official

Oahu Department of Emergency Management reported more flooding along Kapaa Quarry Road.