Tuesday September 22 2020 Forecast (7:36AM)

17 Comments

DAYS 1-5 (SEPTEMBER 22-26)

Discussion…

In the shadow of a hurricane. That’s exactly where we find our eastern locations this early morning as the sunrise was hidden by the cloud deck on the western edge of Hurricane Teddy, passing by us far to the east today on its journey northward toward the Maritime Provinces of Canada. Teddy is starting its transition to a cold core storm, and is already a large storm in size so it will serve to keep a gusty northerly breeze going over us today. Despite the shield of cloudiness, which will start to move out later today, rainfall associated with the storm will be missing us very far to the east… Say goodbye to summer today as the autumnal equinox occurs at 9:30AM. However, the first few full days of fall will have more of a summer feel again, as we get back into a warmer westerly air flow by midweek, and a cold front making a run at the region Friday runs out of gas while ambling its way across the region late Friday, never quite bringing a push of cooler air fully in from the north as I thought may happen previously, so even Saturday looks like a mild day.

Details…

TODAY: High cloudiness will blot out the sun to start the day then eventually give way to more sun later. Highs 61-68. Wind N 10-20 MPH, a few higher gusts.

TONIGHT: Mostly clear. Lows 43-50. Wind NW 5-15 MPH, higher gusts.

WEDNESDAY: Sun and high altitude smoke. Highs 70-77. Wind NW 10-20 MPH, higher gusts.

WEDNESDAY NIGHT: Mostly clear. Lows 51-58. Wind W up to 10 MPH.

THURSDAY: Sun and high altitude smoke. Highs 73-80. Wind W 5-15 MPH.

THURSDAY NIGHT: Partly cloudy. Lows 53-60. Wind W up to 10 MPH.

FRIDAY: Partly sunny. Remote chance of a passing shower. Highs 72-79. Wind SW 5-15 MPH.

FRIDAY NIGHT: Variably cloudy. Patchy fog. Lows 55-62. Wind variable up to 10 MPH.

SATURDAY: Partly cloudy. Highs 70-77. Wind SW 5-15 MPH.

DAYS 6-10 (SEPTEMBER 27- OCTOBER 1)

Fair, warmer than average weather expected with high pressure to south September 27. A 3-day transition to end September with a few rounds of showers and even a few thunderstorms possible as a trough moves eastward across the region. A drier but cooler than average start to October based on current timing as a cool air mass arrives from Canada with the trough’s passage.

DAYS 11-15 (OCTOBER 2-6)

Expecting high pressure to be in general control with mainly dry weather. Temperatures near to above normal.

17 thoughts on “Tuesday September 22 2020 Forecast (7:36AM)”

  3. Good morning, TK.

    37 this morning’s low.

    HRRR shows “reasonable” gusts later on.
    Lots of warnings posted, including Red Flag Warnings.

    Happy Autumn in about a half-hour.

    1. It certainly won’t feel like fall starting tomorrow and the foreseeable future. ACs will be back humming once again for awhile.

  6. Summer is going to get up from the mat and give back some jabs. Eventually summer won’t be getting up from the mat until 2021.
    The humidity later this week doesn’t look that bad despite it not feeling like fall.

    1. Yes, at least the humidity will be held in check. As long as the dewpoints don’t go much above 60, should be ok.

  7. It is not going to be like it was back on September 10th when there were widespread 70 plus dew points. I feel that we will not be seeing that until next year.

  8. Bottomed out at 36 here at the Storm HQ World Headquarters Compound. Coldest temp so far this season, edging out the 38 we had yesterday morning. I don’t see getting that low again until at least the 2nd week in October, probably even later than that.

  9. Once Paulette becomes extratropical (again) tonight, there will be no active tropical systems in the Atlantic for the first time since September 7.

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