Conditions: Baltimore, Maryland, 07/16/2024 06:20:03 am


Mostly Clear


Dew Point
Relative Humidity


Feels Like


Wind (SW)


Air Pressure


Sun Rise

05:54 AM

Sun Set

08:31 PM

Day Length

14:37 Hours


1 min 20 sec loss

Moon Rise

04:25 PM

Moon Set

01:21 AM

Next: Full Moon

Jul 21,2024

Moon Phase

Waxing Gibbous

Average Low



Average High
Record Low




Record High
Winter Weather

La Nina Winters

La Niña Winter Weather Pattern

The storm track from the Pacific Ocean tends to take a northern route, diving across the central plains, then up the Ohio Valley.

I want to emphasize that this is the NOAA map for a ‘typical La Niña’ storm pattern. It is not static for the entire season.

I put the yellow box over the Mid Atlantic. We are in a region that can be on the edge of the storm track. There are other factors that can shift this south and colder for us, or west and warmer. It is possible to average a warm pattern, and still get a few strong cold storms.

La Niña Winter History: Baltimore

These state generated from the National Weather Service are not supportive of a snowy winter.   The caveat is that this is only from 1950 to 2017.  There are quality weather records back to 1882. But the La Niña years historically are more extrapolation, since that pattern was not thoroughly studied by scientists then.

However, within this data there are exceptions and other factors that may not have teamed up together before. I will continue to explore them for my formal outlook.

Important To Note:

La Niñas are not all the same. The intensity ‘weak’, ‘moderate’, and ‘strong’ can yield different results for our region.



Video: La Niña Explained

From NOAA’s National Ocean Service


Warmer than normal 65% of the La Niña Winters.

Cooler than normal 35% of La Niña Winters.

  • Weak La Niña is even chances.
  • Moderate La Niña is most likely to bring colder temperatures.


This is total precipitation for rain and snow.

Overall there is an even split. But this chart can be confusing. A Moderate La Niña has had 4 of 6 times been below average, but the chart has the largest total. This is because when there is an above average pattern, it can be WAY ABOVE AVERAGE to offset the total comparison.


If you have Faith in the Flakes, this might not be what you want to see. But there is a silver lining. While most years show below normal snow, there have been some big exceptions.

  • 1996- January Blizzard was in a La Nina year. This also accounted for most of the snow that winter.
  • 2000 – Most of snowfall that winter was in a 10 day period between January 20 and 30. This included the ‘surprise’ Nor’easter that brought 14.9″ of snow to BWI on January 25.





Take Away:

If you don’t want snow, La Niña historically has been your friend.

But if you have FITF, all is not lost. There have been years with big snow storms during a La Niña. Also, there are other elements at play. That is what I explore and try to fit together. This is not scientific law, only one theory. Correlation is NOT causation! It is possible that this winter may have a new combination of global influence to bring us something unprecedented. Besides, these numbers above are only a sample of 77 years. There may have been more supportive data in prior years.



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