Immediate

Responsive action SHOULD be taken immediately

Local Area Emergency Extreme Hawaii | Effective 03-21-2026 00:16

Public safety alert, emergency alert, and weather alert<br /> Description:<br /> From Oahu Emergency Management: The remaining road of out Waialua at risk of failing in the event of more rain. Leave now while conditions are safe to prevent becoming stuck. Impacted area includes: All of Waialua west (Kaena side) of Kaukonahua Stream. Access INTO Waialua ends as of 9:30pm. Vehicles only allowed to EXIT after that. Evacuate now to avoid isolation. Instruction:

Flash Flood Warning Hawaii | Effective 03/20/2026 23:42

Public safety alert, emergency alert, and weather alert<br /> Description:<br /> FFWHFO The National Weather Service in Honolulu has extended the * Flash Flood Warning for...<br /> The island of Oahu in Honolulu County * Until midnight HST tonight. * At 842 PM HST, emergency management reported closed roads on the<br /> windward side of the island due to earlier flooding. Latest radar<br /> shows a decrease in shower intensity, however additional bands of<br /> moderate to locally heavy showers will likely move in from the<br /> south.

Flash Flood Warning Hawaii | Effective 03/20/2026 22:49

Public safety alert, emergency alert, and weather alert<br /> Description:<br /> FFWHFO The National Weather Service in Honolulu has extended the * Flash Flood Warning for...<br /> The island of Oahu in Honolulu County * Until 1100 PM HST. * At 749 PM HST, emergency management reported numerous closed roads<br /> due to flooding from earlier today. Latest radar shows a decrease<br /> in shower intensity, but heavy showers will be possible tonight.<br /> The Wahiawa Reservoir remains elevated and will continue to be a<br />

Flood Warning Washington | Effective 03/20/2026 22:36

Public safety alert, emergency alert, and weather alert<br /> Description:<br /> ...The Flood Warning continues for the following rivers in<br /> Washington... Stillaguamish River At Arlington affecting Snohomish County. * WHAT...Minor flooding is occurring. * WHERE...Stillaguamish River at Arlington. * WHEN...Until late tomorrow morning. * IMPACTS...At 14.0 feet, the Stillaguamish River will locally spill<br /> over its banks. Minor flooding around Silvana will occur...<br /> including over Pioneer Highway. A stage of 14 feet on the<br />

Flash Flood Warning Hawaii | Effective 03/20/2026 21:49

Public safety alert, emergency alert, and weather alert<br /> Description:<br /> At 649 PM HST, radar indicated moderate to locally heavy rain over<br /> parts of leeward and east Oahu. Rain was falling at a rate of 0.5 to<br /> 1.5 inches per hour. Additional bands of moderate to locally heavy<br /> showers will be possible through tonight. Flash Flooding is ongoing,<br /> or is expected to begin shortly. HAZARD...Flash flooding caused by heavy rain. SOURCE...Radar. IMPACT...Flooding in drainages, streams, rivers, roads,<br />

Flood Warning Washington | Effective 03/20/2026 20:47

Public safety alert, emergency alert, and weather alert<br /> Description:<br /> ...The Flood Warning is extended for the following rivers in<br /> Washington... Nooksack River At Ferndale affecting Whatcom County. * WHAT...Minor flooding is forecast. * WHERE...Nooksack River at Ferndale. * WHEN...Until Sunday morning. * IMPACTS...At 18.0 feet, the river begins overtopping its banks<br /> within the City of Ferndale flooding low-lying areas within the<br /> City and low pasture lands along the river from near Ferndale<br /> downstream to the mouth.

Flash Flood Warning Hawaii | Effective 03/20/2026 20:47

Public safety alert, emergency alert, and weather alert<br /> Description:<br /> FFWHFO The National Weather Service in Honolulu has extended the * Flash Flood Warning for...<br /> The island of Oahu in Honolulu County * Until 900 PM HST. * At 547 PM HST, radar indicated moderate rain over parts of leeward<br /> and east Oahu. Rain was falling at a rate of 0.25 to 0.75 inches<br /> per hour. Although rain rates are modest due to the recent<br /> rainfall, severe ponding of water will be possible over select<br />

Flash Flood Warning Hawaii | Effective 03/20/2026 19:46

Public safety alert, emergency alert, and weather alert<br /> Description:<br /> FFWHFO The National Weather Service in Honolulu has extended the * Flash Flood Warning for...<br /> The island of Oahu in Honolulu County * Until 800 PM HST. * At 446 PM HST, emergency management reported several roads still<br /> closed due to flooding from earlier today. Latest radar as of 445<br /> PM is showing moderate to locally heavy showers with rain rates of<br /> 0.25 to 1 inch per hour with the heaviest rain over Wahiawa. The<br />

Flood Warning Washington | Effective 03/20/2026 19:53

Public safety alert, emergency alert, and weather alert<br /> Description:<br /> ...The Flood Warning is extended for the following rivers in<br /> Washington... Skykomish River Near Gold Bar affecting Snohomish County. * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Skykomish River near Gold Bar. * WHEN...Until tomorrow afternoon. * IMPACTS...At 16.0 feet, the Skykomish River will cause minor<br /> flooding of low pasture lands and some roads along the river...<br />

Flood Warning Washington | Effective 03/20/2026 19:58

Public safety alert, emergency alert, and weather alert<br /> Description:<br /> ...The Flood Warning is extended for the following rivers in<br /> Washington... Snohomish River Near Monroe affecting Snohomish County. * WHAT...Major flooding is occurring and major flooding is forecast. * WHERE...Snohomish River near Monroe. * WHEN...Until early Sunday morning. * IMPACTS...At 17.0 feet, the Snohomish River will cause major<br /> flooding...inundating farm land...roads...and some residential<br />
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