Don’t let clouds block your eclipse view

A website guide to predicting the clouds

NASA's 2024 Total Solar Eclipse data to estimate the Viewability of the April 2024 Total Solar eclipse using 30 years of historical cloudiness observations taken at the Nation's airports. This is not a forecast, but rather a tool that leverages the expertise of NOAA and NASA scientists to provide typical atmospheric comfort and cloud conditions during the time of peak totality.

Witnessing a total solar eclipse is a breathtaking experience, but pesky clouds can ruin the show.

Choosing the best location for viewing the eclipse should focus on where the cloud cover will be lowest for skygazers.

These websites can be your secret weapon for maximizing your chances of clear skies on the big day!

Planning ahead: months or years in advance

Over longer timeframes, climatology stands as the primary tool for estimating cloud conditions.

Climatology relies on historical weather data compiled over years or decades to gauge the likelihood of cloud cover on a given day and time. It does not predict an actual forecast.

  • Climate is Your Friend: Use websites like NOAA’s National Centers for Environmental Information (NCEI) to explore historical cloud cover data for your region. This helps understand the usual cloud patterns for the eclipse timeframe.
  • Example: Planning for the April 8th eclipse? Check NCEI data to see if April typically brings clear skies to your area.

As a climatological general rule: For Jacksonville, during the winter months, cloud cover tends to be lower compared to the summer months. The contrast in average cloud cover between winter and summer in North Florida can significantly impact the viewing experience of an eclipse.

Forecast models improve accuracy closer to the event but climatology maps can help narrow down average cloud conditions months out.

Getting closer: weeks before the eclipse

As the event draws nearer, long-range global models become increasingly valuable. These models provide forecasts regarding the movement of major weather systems, such as low-pressure areas and fronts, which can influence cloud cover.

  • Long-Range Forecasts: Websites like NOAA offer forecasts extending up to a week. These can give you a heads-up on major weather systems that might bring clouds.

Nailing down the details: days leading up

Transitioning to shorter-range regional models as the target date approaches within a few days becomes imperative. These models offer higher-resolution forecasts tailored to our specific areas, providing more detailed predictions of cloud cover patterns.

  • Regional Models for High-Resolution Details: As the eclipse nears, switch to models that are shorter range but more detailed. These provide more specific cloud cover predictions for your area.
  • Pro Tip: Look for models that account for the eclipse itself, like NOAA’s HRRR model.

The Big Day: Real-Time Cloud Watch

  • Satellite Images are Your Eyes in the Sky: Websites like NOAA and SSEC offer real-time satellite imagery. These constantly updated images give you the latest cloud cover picture.
  • Combine with Ground Data: For the most accurate view, use satellite images alongside weather station data to get a complete picture of cloud cover at eclipse time.

By using these website tools strategically, you can become a cloud-forecasting pro and significantly increase your chances of witnessing the total solar eclipse in all its glory!


About the Author

After covering the weather from every corner of Florida and doing marine research in the Gulf, Mark Collins settled in Jacksonville to forecast weather for The First Coast.

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