In A Nice Weather Groove! 6/23/14
Hello there! Welcome to summer 2014! We have made it through another long, cold winter, and a somewhat chilly, damp spring season. The summer solstice officially arrived Saturday morning at 6:51 AM. On this date, we experience the longest day of sunlight of the entire year! From this point forward, we will begin to lose daylight, as the earth begins to tilt away from the sun.
Not to worry, though! Because of the phenominon called latent heating, our warmest temperatures of the year still lies ahead! In fact, starting around July 1st until about the middle of August, our warmest temperatures of the year, on average, will occur.
This is the time of year I always like to joke around with my sister. She doesn’t think it’s fair that when the summer solstice arrives, the days actually start to get shorter. I feel the same way when the winter solstice arrives on December 22nd. After that day, the days start to lengthen. I like to tell her that it’s all down hill from here, and that winter is right around the corner! Lucky for her, this is not true.
Yes, the days will begin to shorten, but as I mentioned above, our warmest time of the year still is in front of us. In fact, our warm weather normally stretches well into September for us here in the Boston area. Because of latent cooling, it takes longer for the Atlantic Ocean to our east to cool off in the fall, compared to the land. This keeps coastal locations much milder than inland areas deep into the autumn.
So what about summer 2014? About a month ago, I officially published my summer outlook. Knowing how quickly patterns can change, I tried something new with my seasonal forecast, and requested if I could publish the forecast before the meteorological start of summer, but with an update when it arrives on its astronomical date. I will do the same for the upcoming winter forecast. This gives me a chance to give you, my loyal reader, the best possible forecast that money can buy. In this case, the blog is free, so it’s a win win for everyone, unless I get the forecast wrong! However, it also gives me the chance to review more data, and to allow for any major changes that I may see.
After reviewing all of the meteorological and natural data that I have access to, I am happy to report that my original forecast made back in on May 25th, looks good to me! I am still expecting a very warm summer, but not as hot as the past several.
This past Wednesday was a good example of how I believe this summer is going to go. Many forecasts, including my own were calling for a hot day, with high temperatures reaching the low 90’s. As it turned out, most towns never made it out of the 80’s!
Forecasting temperatures is tricky, and many variables can alter the forecast either way. Many times, Mother Nature has the final word on how hot or cold it’s going to be. In this case, I will take it as a sign that although 90’s were predicted, a cooler regime is in place, and 90’s may be tougher to come by this summer, than recent years.
This does not mean it’s not going to happen! Boston’s Logan Airport normally reaches 90 degrees approximately 13 times on average during the summer. Some years are more than others. Last year, we had well above that number. This summer, I am expecting between 7 and 12 days of temperatures at 90 degrees or better. I don’t see the Bermuda High pressure area, so dominant last summer, to be as big a player for us this summer. I also believe, unlike last summer, the deeper we move into the season, the warmer it will become. This means August may be our warmest most month of the summer this year.
I am fairly confident on a somewhat cooler summer this year. The one thing I am not too confident about is how much is it going to rain. Looking at the big picture, it still looks like we are in a similar pattern that we had over this past winter, just the summer version. Yes, it has rained, but it still has a somewhat dry look to it to me. Just this past weekend dewpoint temperatures, which measures the amount of moisture in the air, were near desert levels! It seems for weeks now that NOAA has been calling for above normal amounts of rain for southern New England, only to have it fizzle out when push comes to shove. I am forecasting a summer which features drier conditions the deeper we move into August, raising concerns of moderate drought conditions once again showing up, as we move toward fall.
Speaking of long range forecast, we are now in range for an early look at the 4th of July forecast! I’m sure no one can argue that we have been in a nice weather groove! I have mentioned this before, the weather goes in cycles and wavelength patterns. Lately, we have been in a nice groove, with any rain or storms coming during the middle of the week, only to have the nice weather returning for the weekends!
Can we continue this nice weather groove? Well, at least for the short term, I believe we can! In fact, this week may be a carbon copy of last week, just a bit warmer if anything else. My concern arises during the week of the 4th. Believe me, no one is looking forward to the 4th of July holiday weekend more than I am. I love going down the Cape and spending time with family and friends relaxing and enjoying the holiday festivities. I have been keeping an eye on the long range forecast for quite some time now.
Most computer models keep the nice weather groove going into next week into the holiday weekend. This would mean some rain on Wednesday and Thursday, only to clear out just in time for the holiday weekend. However, there is one computer model, the U.S. (GFS), painting a different picture. This model pushes a cold front towards New England, then stalls it close to coast. This type of scenerio would result in frequent showers and thunderstorms for a good part of the weekend, including the holiday itself.
When we blend all of the models together, called ensembles, they keep the groove going with beautiful weather for the holiday weekend! Right now, I am siding with the ensemble models, and my long range outlook from now calls for fair & warmer weather for the 4th! I may be biased, however, and will surely have an important update on this forecast come next Monday…cross your fingers!
Now for your weekly outdoor summer vacation and outdoor activity forecast. I will rate this week a 9 out of 10. Expect mostly sunny, light winds, and comfortable levels of humidity for today. In other words, close to a “10.” High temperatures will top off near 80 inland, and lower to mid 70’s along the coast, with a light seabreeze developing. If you are at the beach, or in the sun for any amount of time, make sure to apply sunscreen today. The sun’s angle is at it’s strongest point, being so close to the solstice, and can burn you quickly! Tonight will feature dry weather, with some clouds on the increase. It will be mild, with lows in the 60’s.
Expect a mixture of sun and clouds on Tuesday. It will not be as bright as today, and it will also start to become more muggy. High temperatures will be similar to today with highs near 80. Look for the humidity to continue to increase Tuesday night, with lows in the 60’s again.
Wednesday will be a very muggy and warm day, with highs in the mid to upper 80’s. With the higher humidity levels, and a cold front pushing into the area, watch for showers and thunderstorms to push through the area. Some of these showers could contain heavy downpours and thunder, and possibly some hail.
These showers may linger into Wednesday night and early Thursday. After that, skies should begin to clear later Thursday, with cooler and drier weather moving in. Right now, Friday and Saturday look to feature fair and dry weather, with highs in the lower 80’s. At this point, I will go for nice weather to continue into Sunday. It should turn warmer with highs in the middle 80’s. There is a small chance for some showers on Sunday, but I will ignore that possibility for now.
Well that’s about it for now! In next week’s blog, I will focus in on your official 4th of July forecast! I will also review our weather for June, and look ahead at to what kind of weather we can expect for the month of July. In the meantime, I may not be the best dancer out there, but I can dig this nice weather groove we’re in!
Thanks for reading!
Pete