Sunday July 19 Weather Heat Advisory

Sunday July 19 2020

The last two days both reached 98ºF in Baltimore at BWI. Similar afternoon heat will remain for at least two more days, but along with higher humidity. The result will make it potentially dangerous for some groups to be outside in the afternoon and evening hours. Heat Index values will reach between 100ºF and 110ºF in all areas where a Heat Advisory and Excessive Heat Warning are issued. This begins at noon today.

 

Morning Set Up

There have been some showers in the mountains that will add to morning clouds for some areas. This satellite loop shows the motion, which will repeat with storms this afternoon: They will slide to the southeast.

Satellite Loop

 

Dew Point Temperatures:

This is the true measure of moisture in the air. When above 70ºF, it feel less comfortable.

 

Afternoon Forecast:

High Temperatures

 

Heat Index

 

Chance of Storms:

Some showers will form in the mountains and dive Southeast. The chance will be 30%

 

Climate Report Today

Record Rainfall set in Baltimore at BWI

See the Weather Observations and Climate Report from this morning for more info about:

📋Observations yesterday

🌡 Climate data today

🗺 Weather Map

☀️ Sunrise and sunset times

🌙 Moon phase

 

 

 

Monday Morning 

 

Looking Ahead

The increase in humidity will eventually lead to more clouds and storms. That will lower the afternoon highs, but bring in more active weather Wednesday and Thursday.

 

Temperature Outlook 

The peak of the heat should be Monday, but the pattern will not be noticeably improved until the end of the week.

Records?

That will be tough to challenge with some of the hottest already set on those days

July 19    103ºF in 1930    
July 20    102ºF in 1930    
July 21    104ºF in 1930   
July 22    106ºF in 2011   
July 23    102ºF in 2011+