Saturday June 20 2020 Forecast

63 Comments

9:36AM

DAYS 1-5 (JUNE 20-24)

Summer begins today at 5:43PM when the solstice occurs. Our weather pattern will support the season as it begins, with today being a very warm to hot and rather humid day. As a safe adjustment I need to add the slight risk of a shower or t-storm to southeastern NH this morning as a boundary sits in the region and has already fired off a downpour north of Concord NH, so if you’re heading into that area or live in southeastern NH, you’ll see some cloudiness and perhaps some brief wet weather before noon today. For the region overall, expect more cloudiness Sunday, but again most shower activity will occur outside the WHW forecast area, with just a stray shower near the South Coast / Cape Cod. Monday through Wednesday will continue the humid theme, with isolated to scattered afternoon showers / t-storms possible both Monday and Tuesday as a cold front slowly approaches from the west. This front will be in the vicinity and an additional disturbance coming along may enhance shower activity in the region by Wednesday. Any rainfall is needed as we continue to run a long term deficit.

TODAY: A brief shower or thunderstorm possible this morning southeastern NH otherwise sunny to partly cloudy. Highs 78-85 South Coast, 86-93 elsewhere. Wind SW 5-15 MPH.

TONIGHT: Partly cloudy except becoming mostly cloudy South Coast. Patchy fog. Humid. Lows 63-70. Wind S under 10 MPH.

SUNDAY: Mostly cloudy South Coast with a risk of a shower. Partly sunny elsewhere. Humid. Highs 73-80 coast, 80-87 inland. Wind S-SE 5-15 MPH.

SUNDAY NIGHT: Partly to mostly cloudy. Patchy fog. Humid. Lows 65-72. Wind S up to 10 MPH.

MONDAY: Partly sunny. Isolated showers and thunderstorms mainly late in the day. Humid. Highs 75-82 South Coast, 83-90 elsewhere. Wind SW 5-15 MPH.

MONDAY NIGHT: Partly cloudy. Patchy fog. Humid. Lows 65-72. Wind SW up to 10 MPH.

TUESDAY: Partly sunny. Isolated showers and thunderstorms in the afternoon. Humid. Highs 75-82 South Coast, 83-90 elsewhere. Wind SW 5-15 MPH.

TUESDAY NIGHT: Partly cloudy. Patchy fog. Humid. Lows 65-72. Wind S up to 10 MPH.

WEDNESDAY: Variably cloudy. Chance of showers, possibly a thunderstorm. Humid. Highs 75-85, coolest South Coast. Wind S 5-15 MPH.

DAYS 6-10 (JUNE 25-29)

Greatest shower threats June 26 and 28. Mostly dry weather otherwise. Temperatures variable, averaging near to slightly above normal.

DAYS 11-15 (JUNE 30 – JULY 4)

A zonal (west to east) flow is expected with variable but overall seasonably warm weather but limit opportunities for any shower activity as the overall pattern continues dry.

63 thoughts on “Saturday June 20 2020 Forecast”

  2. This is a repost of SAK’s comment from this morning post on yesterday’s blog…

    “Verhojansk, in eastern Siberia, north of the Arctic Circle, reached 38C (100F) today, setting a new all-time record. Their records date back to 1885.

    This may in fact be the warmest temperature ever recorded north of the Arctic Circle.”

    https://twitter.com/mikarantane/status/1274279541075312640

  5. Good morning and thank you TK.

    Not sure where the highs will end up, but clearly temps
    are higher at this hour than they were yesterday at the same time.

    Dew point roughly the same. Currently 81 at Logan with DP 64

  8. Tom….I’m seeing the Lions Mane jelly fish in your area now. I am not familiar with them. Is this more common than I seem to remember? And do you know if water temps are in part the reason for their visit?

    1. They are very common cold water jellyfish. You don’t find too many south of our latitude. This happens to be a year where the average size is larger than recent years, but it’s also nothing new.

      The record for observed bell diameter of just under 7 feet dates all the way back to the 1860s.

      Part of the reason we’re hearing all about them it just simply media coverage combined with them being close into the shore. That’s likely due to less human activity in the water early in the season this year. Many wildlife moved into places we “vacated” during the pandemic.

      1. Thanks Vicki and TK !

        I’m glad TK knew because I didn’t. It’s funny, when the school year ends, we usually take off for 2-3 weeks camping and are usually not around in Marshfield for the early part of the summer. But, like you, I had seen the story on the news.

        My real only encounter with jelly fish of any kind was on Martha’s Vineyard around 30 summers ago and since then, I avoid them at all costs.

        1. Hmmm, jelly fish.

          Our daughter was stung by one down the cape,. She was hysterical, but no harm was done.

          As for me, No big deal. I have swum with them before.
          In Bermuda my son and I were in the water surrounded
          by Portuguese Man-of-War. That was interesting as they would normally float around on or near the surface. As you know, they have kind of a bubble body, see photo:

          https://imgur.com/a/gTqtL6h

          I used to take my fist and pound down really hard on those things such that they would actually pop. Pretty weird. I did the same thing to jelly fish up here.

          Luckily never stung by any of them. very lucky indeed.

      2. Thanks TK. Odd that in the 70 years we have been going to Humarock we have never seen them. They are pulling them from the river as well as ocean. We have had years where the little clear jelly fish were all around. One year where tons of small fish washed ashore. I was quite young but still recall smell. My one fear was the horseshoe crab which of course we see very little of now (If any) along with starfish.

        I’m not finding this on media. I stopped following media weeks ago. My BP was rising. I am finding it on the Humarock FB page.

        1. Adding also to your point. Coyotes are far more common on the beach than typical. Although most of Humarock is private so I don’t know how much less populated the beach has been

  11. Getting pretty warm. 88 at Logan and Norwood as reached
    90. Dp 63 at Logan and 64 at Norwood. Please let it not go higher. It is really bad for my wife, but tolerable for me.

    1. I saw a graphic on Ch. 5 this morning with a dewpoint of 70 for midweek. Prepare your wife for that. Did you install your A/C?

  12. Amazing that the Arctic Circle can get to 100F and yet Boston will probably barely get to 90F today. Not that I’m complaining of course.

    Our world’s climate has gone into complete turmoil all due to global warming/climate change.

    1. I don’t think I would classify this as “complete turmoil”. Keep in mind we’ve only been measuring temperatures in these places for a relatively short amount of time.

    1. Some nice cumulus bubbling up now. But watching it, you can see how there isn’t any support to keep them growing too large today. Other than that boundary that was north of us earlier and is now drifting north and weakening, today’s activity will be aided by and confined mainly to the mountains.

      1. Dust limits tropical development. It does not in any way help it. We’ve said this numerous times here on the blog.

          1. Discussed countless times here. Many of us have posted
            graphic animations of the dust plumes.

      2. Dust helps prevent development doestn’t entirely but for the most part makes it very hard for anything to development. Down in the Caribbean they hope for the dust. There are about 4 tropical waves moving across the atlantic basin all of which in poor conditions for development, there is also very high amount of wind shear. I been tracking the tropics way more than I use too.

        1. Yes, but the point is, dust is not going to turn into a tropical cyclone. The tropics are very hostile for development right now, even without the dust moving into the picture. This is contrary to what many alarmists were talking about. I told them to watch for things like this. Did they listen? Nope,. NO surprise though.

          1. Ditto for the doom and gloom forecasts I am hearing
            for a hot summer? I presume and hope.
            I was arguing with my wife over this at lunch. She keeps saying that we are going to have one of the hottest Summers ever according to the Scientists. I tell her NOPE. not so. She tells me that I make up my own weather. Go figure.

            1. We are not going to have a scorching hot summer, no. There will be hot days, yes. All summer? No.

  15. Logan, 90 on the button and the DP has fallen to 61. Let’s keep
    that trend going.

    If I were going to the beach, today would be PERFECT! But I am not.

  16. Dave please remember if you want to call Or email my son in law. I can get info to you. Do you need to upgrade your panel.

    He arrives literally fully suited up. From top to bottom including a KN 95 with polyester over. He protects the client, himself but his family and me too.

    He installed two mini splits the other day. They don’t pull air from outside But even if you use your own HVAC people he would be happy to talk to you.

    1. Thank you Vicki. We have 4 units. We have the power to run them as well. Do not need a new panel.

      The problem is convincing Mrs. OS that it is safe to run them
      due to Covid. I have been researching it and it appears that
      window units are safe enough to use. We have a Boston Emt
      who lives across the street and gets in and out of his car almost right under one of our windows. He has transported many covid patients. So that is the problem, not electricity.

      I told the Mrs today, that she is more susceptible to the heat and humidity than any chance of covid being sucked into the house from outside. She is pretty stubborn and worried.
      Right now she would rather take her chances with the heat.
      As long as it doesn’t get worse than it is now, she may be ok.
      I worry about higher humidity on the horizon.

      I have a feeling the ACs go in tomorrow or Monday in advance
      of possibly the worst of it next week.

        1. Thanks Tom. I think she’ll come around. If it gets hotter and/or more humid, she may have no choice.

          I will say this: So far at night with all of the windows open, it has been reasonably comfortable. The worst of it is say
          2-6 PM or so.

      2. Good plan. I’m sitting at a bday party for a grand. Both have years experience and agree with you. SIL will be happy to talk to Mrs OS to reassure also. He knows how much I think of you and Mrs OS

    1. Almost 10 degrees above average. But we know that it is
      primarily warmed surface water. The “real” temp is somewhere
      between 58 and 62.

    2. Light ESE out at the buoy.
      Logan wind now is WNW at 7 mph. I wonder IF Logan
      flips to a sea breeze soon?

  19. Thank you, TK.

    The Dutch weather service posted an article on what I’d translate as “light up sky night clouds.” I had never heard of them. They’re described in the article below. If you scroll down you’ll see some pictures. They apparently 70 kilometers from the earth’s surface, so essential ice particles that “dance” in the sky. This phenomenon only occurs around the solstice. The clouds appear late at night or early in the morning. Keep in mind, it’s light out in the Netherlands until around 10:20pm, and the sun rises at around 4:45am.

    https://nos.nl/artikel/2337932-sprookjesachtige-taferelen-in-de-nacht-lichtende-nachtwolken.html

    2. The phenomenon is not exclusive to the time around the solstice, but it is most common then. These types of very high altitude clouds are something I learned about as a child, reading my weather books. Fascinating. 🙂

  22. So just for perspective, that place in Siberia that hit 100F has hit 99F several times in the past, most recently in July of 1988. In case you’re curious, the record high temp for that location for August is 93 in 1969. The record temp info was relayed to me by a long-time friend / colleague.

    And the “expert” comparing it to Miami FL only hitting 100F once has no clue what he is talking about – or enjoys comparing apples and oranges. Think about why Miami has only hit 100F once. It’s not that difficult.

    https://twitter.com/WeatherProf/status/1274414907086245890?fbclid=IwAR2fZEZdXwXF5re31jNi7hTM_JsEdiFrIRU8am8iPWnib_r-5gKr3fFlWzg

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