Flood Watch

Redondo Beach, WA

Day 1: 2024-09-29

CATEGORY 2

WHAT Minor coastal flooding expected. Possible inundation of up to 1 foot above ground level near shorelines and low-lying areas.

*WHEN From 02:00 AM to 04:00 AM PST and from 02:00 PM to 04:00 PM PST.

IMPACTS Minor flooding of low-lying areas, parks, and roads. Isolated road closures possible.

ADDITIONAL DETAILS...

The high tide at 02:12 AM on 2024-09-29 is expected to reach a height of approximately 16.753 feet with a barometric pressure of around 1005.99 hPa. The high tide at 03:06 PM on the same day is expected to reach approximately 18.906 feet with a barometric pressure of around 1008.04 hPa. These conditions are similar to the Category 3 event on 12/27/2023 but with slightly higher barometric pressure, reducing the likelihood of severe flooding.

Day 2: 2024-09-30

CATEGORY 1

WHAT No significant flooding expected.

WHEN No specific time frame for high risk.

IMPACTS No significant impacts anticipated.

ADDITIONAL DETAILS...

The high tide at 03:06 AM on 2024-09-30 is expected to reach a height of approximately 17.103 feet with a barometric pressure of around 1018.65 hPa. The high tide at 04:00 PM on the same day is expected to reach approximately 18.813 feet with a barometric pressure of around 1018.63 hPa. The high barometric pressure significantly reduces the risk of flooding despite the high tide levels.

Day 3: 2024-10-01

CATEGORY 2

WHAT Minor coastal flooding expected. Possible inundation of up to 1 foot above ground level near shorelines and low-lying areas.

WHEN From 03:00 AM to 05:00 AM PST and from 03:00 PM to 05:00 PM PST.

IMPACTS Minor flooding of low-lying areas, parks, and roads. Isolated road closures possible.

ADDITIONAL DETAILS...

The high tide at 03:48 AM on 2024-10-01 is expected to reach a height of approximately 17.407 feet with a barometric pressure of around 1013.95 hPa. The high tide at 04:18 PM on the same day is expected to reach approximately 18.743 feet with a barometric pressure of around 1012.72 hPa. These conditions are similar to the Category 3 event on 12/27/2023 but with higher barometric pressure, reducing the likelihood of severe flooding.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

You 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.


Forecast Reasoning:

Day 1 (2024-09-29):

  1. Barometric Pressure: The pressures are relatively high (1005.99 hPa and above), which suggests less severe weather conditions.
  2. Tide Height: High tides reaching up to approximately 18.906 feet.
  3. Wind Direction: Not specified but assumed moderate based on historical data.
  4. NOAA Likelihood: Low likelihood (0%) for this date.
  5. Historical Comparison: Similar conditions to Category 3 event but with higher pressure, leading to Category 2 classification.

Day 2 (2024-09-30):

  1. Barometric Pressure: Very high pressures (1018.63 hPa and above), indicating stable weather.
  2. Tide Height: High tides reaching up to approximately 18.813 feet.
  3. Wind Direction: Not specified but assumed moderate based on historical data.
  4. NOAA Likelihood: Low likelihood (0%) for this date.
  5. Historical Comparison: Conditions are less severe than any historical flood events, leading to Category 1 classification.

Day 3 (2024-10-01):

  1. Barometric Pressure: High pressures (1012.72 hPa and above), suggesting stable weather.
  2. Tide Height: High tides reaching up to approximately 18.743 feet.
  3. Wind Direction: Not specified but assumed moderate based on historical data.
  4. NOAA Likelihood: Low likelihood (0%) for this date.
  5. Historical Comparison: Similar conditions to Category 3 event but with higher pressure, leading to Category 2 classification.

By following these steps and considering all available data, the flood potential for each day has been categorized accordingly, ensuring an accurate and reliable forecast for Redondo Beach, WA over the next three days.