Tuesday, May 20, 2025
This next storm will show us its first face with increasing clouds today. Then the deterioration to rain will arrive by tomorrow morning. The rain will be heavy at times while the wind will increase FROM the east off the ocean. This may gust up to 30 mph as temps remain in the 50s. It will be a RAW DAY by May standards.
Thursday, the rain may be focused on afternoon impulses with a chance of some having lightning.
By Friday, the cool pattern will keep us unsettled with a small chance of an afternoon shower.
The pattern will keep showers around through the end of the week, then a modification while still a tad cool into Memorial Day Weekend.
Today will be unaffected by the weather. Wednesday may be affected by low clouds and rain showers. There is some hope for a break in the rain for the air show.
A large storm contains a band of rain from the Canadian border to the Southeast US, where another outbreak of severe storms is likely today.
This system is moving our way and will first increase the clouds during the afternoon.
Rain will arrive on Wednesday and will be heavy at times. The Mid-Atlantic will remain on the cooler side of the storm, keeping the severe risk to the south.
The next rain event will be a large storm system sending rain Tuesday night into Wednesday. Then, a coastal storm will slowly move up the coast. This will keep a chilly wind and showers around for a few days.
Increasing clouds ahead of the storm.
Sunrise at 5:49 AM
Sunset at 8:18 PM
Normal Low in Baltimore: 55ºF
Record 39ºF in 2002
Normal High in Baltimore: 76ºF
Record 95ºF 1962
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Rainfall Deficit at BWI
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The surface air will be coming FROM the EAST and winds could gust to 30 mph. This will keep temps chilly AND add moisture to the storm.
The rain at cloud level will be moving in the opposite direction FROM the WEST.
Moderate to heavy rain at times.
There may be a break or lull mid-afternoon, then the rain returns later in the day.
Showers develop in the afternoon and may have some lightning.
Mostly dry, but still unsettled with a chance of an afternoon shower.
Most of the region will get OVER 1 inch, with over 2 inches in the mountains where there was flooding last week.
The trend for next week is cooler weather. The core of the upper-level chilly air will pass by on Saturday.
By that point, we may mix in some sun, so the mornings will be noticeably chilly and the afternoons may warm a little next weekend.
Memorial Day will modify with more sunshine but remain cooler than average.
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I am aware there are some spelling and grammar typos and occasional other glitches. I take responsibility for my mistakes and even the computer glitches I may miss. I have made a few public statements over the years, but if you are new here, you may have missed it: I have dyslexia and found out during my second year at Cornell University. It didn’t stop me from getting my meteorology degree and being the first to get the AMS CBM in the Baltimore/Washington region. One of my professors told me that I had made it that far without knowing and to not let it be a crutch going forward. That was Mark Wysocki, and he was absolutely correct! I do miss my mistakes in my own proofreading. The autocorrect spell check on my computer sometimes does an injustice to make it worse. I also can make mistakes in forecasting. No one is perfect at predicting the future. All of the maps and information are accurate. The ‘wordy’ stuff can get sticky. There has been no editor who can check my work while writing and to have it ready to send out in a newsworthy timeline. Barbara Werner is a member of the web team that helps me maintain this site. She has taken it upon herself to edit typos when she is available. That could be AFTER you read this. I accept this and perhaps proves what you read is really from me… It’s part of my charm. #FITF
