Redondo Beach, WA
CATEGORY 2
WHAT Minor coastal flooding expected. Possible inundation of up to 0.5 feet above ground level near shorelines and low-lying areas.
WHEN From 8:00 PM to 9:00 PM PST.
IMPACTS Minor flooding of low-lying areas, parks, and roads. Isolated road closures possible.
The barometric pressure is relatively high at around 1007 hPa during the high tide, which is not indicative of severe weather conditions that could lead to significant flooding. The tide height is expected to be around 16.205 feet at the highest point, which is below the threshold of previous Category 4 and 5 events but still warrants attention due to its proximity to the Category 3 event from historical data. Wind direction and speed are not provided but would be a contributing factor if from the W/NW. NOAA's Flood Likelihood Analysis indicates a low likelihood of flooding for this date.
CATEGORY 3
WHAT Elevated risk of coastal flooding. Potential for up to 1 foot of inundation above ground level in some shorelines and low-lying areas.
WHEN From 9:00 AM to 10:00 AM PST and again from 9:00 PM to 10:00 PM PST.
IMPACTS Moderate flooding of coastal areas, parks, and roads with possible property damage in vulnerable locations. Road closures more likely.
The barometric pressure is forecasted to be around 1005 hPa during high tides, which is closer to the threshold observed during previous flood events, indicating a more significant risk for flooding compared to Day 1. The tide height is expected to be similar to Day 1, maintaining a risk for flooding. The NOAA Flood Likelihood Analysis continues to indicate a low likelihood of flooding, but the lower barometric pressure increases concern slightly compared to Day 1.
CATEGORY 4
WHAT Likely coastal flooding with potential for significant property damage. Inundation levels may reach or exceed 2 feet above ground level in some areas.
WHEN From approximately 10:00 AM to 11:00 AM PST and again from around 10:00 PM to 11:00 PM PST.
IMPACTS Likely flooding of coastal properties, parks, roads, and infrastructure with potential for significant property damage. Road closures and disruptions to local communities are likely.
On Day 3, the barometric pressure drops significantly to around 1002 hPa during high tides, which is much closer to the threshold associated with Category 4 events in historical data. This lower pressure combined with high tide levels over 16 feet raises the risk of flooding considerably. The NOAA Flood Likelihood Analysis still indicates a low likelihood of flooding; however, given the historical data and the notable drop in pressure, there is an increased risk for this day compared to the previous two days.
Residents should monitor later forecasts and be alert for possible Flood Warnings. Those living in areas prone to flooding should be prepared to take action should flooding develop. Consult local authorities or experts for final decision-making in flood-related situations and adhere to any evacuation orders or safety instructions provided by emergency services.