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July 21 Smokey Code Orange Air Quality Ends With Severe Storm Risk

Severe

Justin Berk

Jul 21, 2021

7:34 am

Wednesday July 21 2021

The short version of today’s weather is that it is still smokey and it will end with a cold front. The Air Quality has prompted Code Orange for central Maryland through Delmarva. The cold front may produce strong to severe storms. The good news is that tomorrow will be MUCH BETTER!

Code Orange: Poor Air Quality!

For what it is worth, I am in training for Maryland Trek 8. I am use to being outside in the heat for many hours. But today my training will be indoors. I felt the smoke yesterday, and it’s not worth the risk. I encourage you to consider limiting your time outside as well… just for today. Air quality will improve tomorrow.

Smoke Forecast:

This smoke will peak mid day and early afternoon, but clear out with the cold front.

You may actually smell smoke at some point just before or as the front passes.

modelsmoke_forecast_wednesday_july_20_hrrr_model

Severe Storm Outlook

The risk for storms to turn severe will be depend on the timing. The front will pass through mid day as it is growing stronger as the move farther east.

Radar Simulation

Reminder that this product continues to underperform. So we may see more activity than shown here. The timing may also be 1 to 2 hours earlier. So please add that buffer to this timeline.

Weather Almanac: Climate Data

TODAY July 21

Normal Low in Baltimore: 67ºF

Record 53ºF in 1966

Normal High in Baltimore: 87ºF

Record 104º F 1930

Morning Surface Weather

The timing of this cold front will determine when the line of storms will pass, and where it will be more robust.

The new air mass is also from Canada, but has a dramatic drop in smoke.

Afternoon Temperature Forecast

Thursday Temperatures

Morning

Afternoon

7 Day Forecast

Maryland Trek 8 Begins on August 8

329 Miles From Wisp To Ocean City

To Honor Kids In Cancer Treatment and Support FREE Programs At Just In Power Kids

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Sunshine State Of Mind

I am done with the cold and snow (for the season). I am embracing my wife’s mantra of Sunshine State of Mind.

This was designed by Shannon Berk and we will be wearing it through spring and to the beach.

Double Benefit: Proceeds will be split between our nonprofit Just In Power Kids and the development of my new weather website. That has been scheduled to be ready to launch in May.