Tag: hst

Official

Flood Advisory issued April 29 at 12:38PM HST until April 29 at 3:30PM HST by NWS Honolulu HI

* WHAT...Flooding caused by excessive rainfall. * WHERE...The island of Oahu in Honolulu County. * WHEN...Until 330 PM HST. * IMPACTS...Minor flooding on roads, poor drainage areas, and in streams. * ADDITIONAL DETAILS... - At 1231 PM HST, radar indicated areas of moderate to heavy showers persistently developing over areas east of the Waianae Mountains. With the heavier showers, rain was falling at a rate of 1 to 2 inches per hour. Additional areas of heavy rain is possible through this evening. - Some locations that will experience flooding include... Honolulu, Waipio, Waiahole, Waikane, Pearl City, Aiea, Kahaluu, Ahuimanu, Halawa
Official

Flood Watch issued April 22 at 2:12PM HST until April 23 at 6:00PM HST by NWS Honolulu HI

...FLOOD WATCH FOR KAUAI AND NIIHAU THROUGH WEDNESDAY AFTERNOON... * WHAT...Flash flooding caused by excessive rainfall is possible. * WHERE...Kauai and Niihau. * WHEN...Through Wednesday afternoon. * IMPACTS...Flood prone roads and other low lying areas may be closed due to elevated runoff and overflowing streams. Urban areas may receive more significant flooding and property damage due to rapid runoff. * ADDITIONAL DETAILS... - Moist southerly flow associated with a low pressure system approaching from the west will bring an increase in heavy showers and isolated thunderstorms around Kauai tonight through Wednesday.
Official

Flood Watch issued April 22 at 3:02AM HST until April 23 at 6:00PM HST by NWS Honolulu HI

...FLOOD WATCH FOR KAUAI AND NIIHAU... * WHAT...Flash flooding caused by excessive rainfall continues to be possible. * WHERE...Niihau and Kauai. * WHEN...From noon HST today through Wednesday afternoon. * IMPACTS...Flood prone roads and other low lying areas may be closed due to elevated runoff and overflowing streams. Urban areas may receive more significant flooding and property damage due to rapid runoff. * ADDITIONAL DETAILS... - The potential for heavy showers and isolated thunderstorms will increase around Kauai as a low pressure system approaches, and stalls just west of the state. Moist southerly flow will bring an increase of showers
Official

Special Marine Warning issued April 18 at 2:40PM HST until April 18 at 3:15PM HST by NWS Honolulu HI

SMWHFO The National Weather Service in Honolulu has issued a * Special Marine Warning for... Kaiwi Channel... Oahu Windward Waters... * Until 315 PM HST. * At 238 PM HST, a cluster of strong thunderstorm were located over Mokulua Islands, or near Kaneohe Marine Base, moving northwest at 15 knots. HAZARD...Wind gusts 34 knots or greater. SOURCE...Radar. IMPACT...Small craft could be damaged in briefly higher winds and suddenly higher waves. * Locations impacted include... FAD Buoy U, FAD Buoy T, Mokulua Islands, Laie Point, and Heeia Kea Boat Harbor.
Official

Special Marine Warning issued April 18 at 1:55PM HST until April 18 at 3:00PM HST by NWS Honolulu HI

SMWHFO The National Weather Service in Honolulu has issued a * Special Marine Warning for... Kaiwi Channel... * Until 300 PM HST. * At 154 PM HST, a strong thunderstorm was located 8 nm east of Makapuu Point, moving northwest at 15 knots. HAZARD...Wind gusts 34 knots or greater and small hail. SOURCE...Radar. IMPACT...Small craft could be damaged in briefly higher winds and suddenly higher waves. * The strong thunderstorm will remain over mainly open waters.
Official

Flash Flood Warning issued April 18 at 8:17AM HST until April 18 at 11:15AM HST by NWS Honolulu HI

FFWHFO The National Weather Service in Honolulu has issued a * Flash Flood Warning for... The island of Kauai in Kauai County * Until 1115 AM HST. * At 817 AM HST, radar indicated heavy rain over interior Kauai with rates of 1 to 3 inches per hour. Water has been reported over the Hanalei River Bridge by Emergency Management. Flash flooding is ongoing or expected to begin shortly. HAZARD...Flash flooding caused by heavy rain. SOURCE...Emergency management. IMPACT...Flooding in drainages, streams, rivers, roads, properties, and other low-lying areas. Public road closures possible in some areas. Landslides are possible in steep
Official

Winter Weather Advisory issued April 18 at 2:35AM HST until April 19 at 6:00AM HST by NWS Honolulu HI

A slow moving upper level trough will move through the islands early morning Saturday, bringing periods of snow to the Big Island summits. * WHAT...Snow. Additional snow accumulations up to two inches. * WHERE...Big Island Summits. * WHEN...Until 6 AM HST Saturday. * IMPACTS...Travel could be very difficult. Blowing snow will significantly reduce visibility at times, with periods of zero visibility.
Official

Winter Weather Advisory issued April 17 at 2:09AM HST until April 18 at 6:00PM HST by NWS Honolulu HI

A slow moving upper level trough will move through the islands today through Friday, bringing periods of snow to the Big Island summits. * WHAT...Snow expected. Total snow accumulations 3 to 5 inches. * WHERE...Big Island Summits above 11,000 feet. * WHEN...From noon today to 6 PM HST Friday. * IMPACTS...Travel could be very difficult. Blowing snow will significantly reduce visibility at times, with periods of zero visibility.