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This is a Civil Defense message.

This is a weather update for Thursday afternoon, November 18 at 4:15

The National Weather Service has issued a flash flood watch for Hawai’i Island effective tonight Thursday evening November 18 through Friday November 19.

A flash flood watch means that weather conditions may develop that leads to flash flooding.

Due to the flash flood watch the following are issued.

There is a possibility of heavy rain. All residents in flood prone areas are asked to be on the alert and prepare for possible flooding conditions.

All motorists are asked to drive with caution and be on the alert for debris, runoff and ponding of water. Be aware that road closures and slowdowns can occur without any warning.

Again, the National Weather Service has issued a flash flood watch for Hawai’i Island effective tonight through tomorrow. Heavy rains are possible for this period.

This is your Hawai’i County Civil Defense

Hawaii County Civil Defense Friday (Nov 19) Audio Message

MARINE WEATHER STATEMENT
NATIONAL WEATHER SERVICE HONOLULU HI
340 AM HST FRI NOV 19 2010

KAUAI NORTHWEST WATERS-KAUAI WINDWARD WATERS-KAUAI LEEWARD WATERS- KAUAI CHANNEL-OAHU WINDWARD WATERS-OAHU LEEWARD WATERS- KAIWI CHANNEL-MAUI COUNTY WINDWARD WATERS- MAUI COUNTY LEEWARD WATERS-MAALAEA BAY-PAILOLO CHANNEL- ALENUIHAHA CHANNEL-BIG ISLAND WINDWARD WATERS- BIG ISLAND LEEWARD WATERS-BIG ISLAND SOUTHEAST WATERS-
340 AM HST FRI NOV 19 2010

AN UPPER LEVEL TROUGH AND ASSOCIATED SURFACE BOUNDARY ARE CURRENTLY PASSING ACROSS THE STATE. THE RESULTANT UNSTABLE ATMOSPHERE AND ABUNDANT MOISTURE IS EXPECTED TO PRODUCE CONTINUING HEAVY SHOWERS AND ISOLATED THUNDERSTORMS THROUGH MUCH OF THE DAY. FOR THE MORNING…ALL COASTAL WATERS AROUND THE HAWAIIAN ISLANDS WILL LIKELY BE AFFECTED…WHEREAS BY THIS AFTERNOON MUCH OF THE ACTIVITY WILL BE SHIFTING EAST AND MOSTLY IMPACTING THE EASTERN SIDE OF THE STATE.

WITH THE HEAVY SHOWERS AND ISOLATED THUNDERSTORMS…MARINERS CAN EXPECT GUSTY OUTFLOW WINDS…LOCALLY CHOPPY SEAS…DANGEROUS LIGHTNING…AND REDUCED VISIBILITY IN THE HEAVY RAIN. THUNDERSTORMS CAN PRODUCE SUDDEN WATERSPOUTS…WHICH CAN EASILY OVERTURN SMALL BOATS AND CREATE LOCALLY HAZARDOUS SEAS.

MONITOR NOAA WEATHER RADIO FOR THE LATEST INFORMATION…FORECASTS…AND WARNINGS.

MARINE WEATHER STATEMENT
NATIONAL WEATHER SERVICE HONOLULU HI
1220 AM HST FRI NOV 19 2010

KAUAI NORTHWEST WATERS-KAUAI WINDWARD WATERS-KAUAI LEEWARD WATERS- KAUAI CHANNEL-OAHU WINDWARD WATERS-OAHU LEEWARD WATERS- KAIWI CHANNEL-MAUI COUNTY WINDWARD WATERS- MAUI COUNTY LEEWARD WATERS-MAALAEA BAY-PAILOLO CHANNEL- ALENUIHAHA CHANNEL-BIG ISLAND LEEWARD WATERS-
1220 AM HST FRI NOV 19 2010

A PASSING COLD FRONT WILL RESULT IN AN UNSTABLE ATMOSPHERE THIS MORNING AND ABUNDANT MOISTURE ACROSS THE AREA. SCATTERED THUNDERSTORMS AND FREQUENT HEAVY SHOWERS ARE EXPECTED AROUND ALL COASTAL HAWAIIAN WATERS EXCEPT FOR THE EASTERN WATERS OF THE BIG ISLAND EARLY THIS MORNING.

MARINERS CAN EXPECT GUSTY WINDS…LOCALLY HIGHER SEAS…DANGEROUS LIGHTNING…AND REDUCED VISIBILITY IN HEAVY RAIN. THUNDERSTORMS CAN PRODUCE SUDDEN WATERSPOUTS…WHICH CAN EASILY OVERTURN SMALL BOATS AND CREATE LOCALLY HAZARDOUS SEAS.

MONITOR NOAA WEATHER RADIO FOR THE LATEST INFORMATION…FORECASTS…AND WARNINGS.