Thursday May 7 2020

Today will bring a break in the clouds and allow the May sun to warm us a little. But a rare visit of the Polar Vortex will be dropping in to the northeast US this weekend. If this was winter the pattern would have brought arctic cold and plentiful snow for the last few weeks.  The net result this time will be a ‘taste’ of winter.

Quick Cast

  • Thursday: Sunny and mild
  • Friday: Rain afternoon, Mix with snow at night
  • Saturday: Morning Freeze /Frost. Afternoon showers. Records possible for morning low and afternoon high.
  • Mothers Day Sunday: Morning Frost, Afternoon sun and mild. Record possible for morning low.

 

*If you are not happy about this, the good news is that the main chance of snow will be in the dark hours Friday night.  The cold air will be felt to start the weekend, but Mother’s Day afternoon will be the best part of the weekend.

Morning Satellite Loop

 

Afternoon Forecast

High Temperatures 

 

Evening Showers North

This may remain in PA and the western mountains. It is worth watching for the track and it will be the first phase of our next cool down.

 

Weather Collection Lab

Click to see: Yesterday’s Observations. Today’s Climate Data, sun times, and moon phase

Friday Weather

Morning

 

Afternoon

Temperatures will be falling during the afternoon as the rain arrives.

 

Rain and Snow Simulation —> slider

Notice the transition to snow in metro suburbs Friday night.

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Record Cold This Weekend?

There will be three chances for new temperature records in Baltimore.

Saturday Morning:

May 9 Record Low In Baltimore: 36ºF in 2017

 

Saturday Afternoon:

May 9 Record Coldest High Temperature In Baltimore: 53ºF in 1977

 

Sunday Mother’s Day Morning

May 10 Record Low In Baltimore: 33ºF in 1983
This may not be as cold as the prior morning, but the winds will be lighter. So Frost Advisories may be issued for a large area.
This models tries to bring the influence of the warmer bay across urban areas. This will depend on the wind.

 

Mother’s Day Afternoon

 

Looking Ahead

A full report on the Polar Vortex can be seen here

 

Temperature Outlook

 

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Also See:

 

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Maryland Trek 7 

This will go on this August! Let’s hope social distancing will be a memory then. One way to celebrate would be to become part of my team:

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Maryland Trek 7

 

 

Water Spout OR Scud Cloud on videos and photos near Middle River Maryland

Other  Links:

When is the typical last freeze or frost?

See more here

 

Baltimore Weather At BWI May Not Be As Hot As Reported

Construction at the airport close to the weather station may be added artificial heat. Click here or the image for the details.

 

 

Was Your County Not Included?

Click this map for more on the regional forecast zones

 

Maryland Trek Cycle Jerseys From Hill Killer

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