Redondo Beach, WA
CATEGORY 3
WHAT Minor coastal flooding expected. Possible inundation of up to 0.5 feet above ground level near shorelines and low-lying areas.
*WHEN From 4:00 PM to 6:00 PM PST.
IMPACTS Minor flooding of low-lying areas, parks, and roads. Isolated road closures possible.
The barometric pressure is significantly higher than the threshold associated with previous flood events, suggesting less severe weather conditions. However, the high tide at 17:42 with a mean pressure MSL of 1005.5599975585938 hPa, although not as low as in past severe events, still warrants attention due to the proximity to historical Category 3 events. The NOAA Flood Likelihood for this date is low, which aligns with the current assessment. Wind direction data is not provided but considering the other factors, a Category 3 flood event is forecasted.
CATEGORY 4
WHAT Coastal flooding likely. Inundation of up to 1 foot above ground level expected in some shorelines and low-lying areas.
WHEN From 5:00 PM to 7:00 PM PST.
IMPACTS Flooding of parks, roads, and some residential areas near the shoreline. Road closures and minor property damage possible.
The barometric pressure at the time of high tide (18:12) is nearing the threshold associated with more severe flooding events (999.0499877929688 hPa). The tide height is also expected to be high on this day. Although NOAA's Flood Likelihood remains low, the combination of lower pressure and high tide height increases the risk compared to Day 1. Without wind direction data, caution is advised due to these factors.
CATEGORY 5
WHAT Significant coastal flooding expected. Inundation levels may reach or exceed 1.5 feet above ground level in many shorelines and low-lying areas.
WHEN From 6:00 AM to 8:00 AM PST and again from 5:00 PM to 7:00 PM PST.
IMPACTS Significant flooding of residential areas, parks, and roads with potential property damage. Multiple road closures likely; residents should be prepared for evacuation if necessary.
On this day, the barometric pressure during high tides (04:24 and potentially around the second high tide in the evening) is well below the threshold that indicates severe weather conditions and potential flooding (998.1400146484375 hPa and estimated similar values for the second high tide). The NOAA Flood Likelihood remains low; however, given the historical data indicating that pressures below ~992 hPa paired with high tides over 21 ft lead to significant flooding events (Category 5), there is a heightened risk on this day. The lack of wind direction data adds uncertainty but does not diminish concern given the other factors.
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 advisories issued by local emergency services.