Monday, May 5, 2025
The weather today will be similar to yesterday, but not an exact duplicate. The takeaway is that we are in an unsettled pattern thanks to a wind from the Southeast. This gives us damp air that is pushed inland AND cooler air aloft helps clouds develop rapidly.
NOAA has our region in a Level 1 Marginal Risk for thunderstorms and one or two could result in heavier downpours and gusty winds. Any storm can bring dangerous lightning, so please be aware and prepared if you have outdoor plans like after school sports.
The heat of the day will bubble up showers and thunderstorms as the wind wraps around a larger upper-level pattern.
The forecast radar suggests the timing and location of these bands of rain. It is NOT PERFECT! So consider the chance for more pop-up showers at any time midday, through the afternoon, and tonight.
A gradual improvement over the next two days means fewer showers. However, another pocket of cool air aloft is likely to bring more rain on Friday!
Let’s take a look…
We are under the influence of a larger upper-level pattern that will keep a damp and unsettled wind from the Southeast.
This will develop more showers and thunderstorms with the daytime heating.
Low Level 1 chance for thunderstorms that may turn severe. The main risks will be lightning, downpours, and some gusty winds.
The wind flow FROM the Southeast will keep a damp and unsettled environment in place. This ocean air will be pushed inland/upslope, helping with the lift that develops showers. The daytime heating will also aid in the development.
I chose this wider view to show the broad pattern. With the wind flow and daytime heating, bands of showers and thunderstorms will develop.
This may begin during the morning in some areas and become more widespread in the afternoon.
These cells will move north and even Northwest as the winds wrap around the upper-level low.
Sunrise at 6:03 AM
Sunset at 8:04 PM
Normal Low in Baltimore: 50ºF
Record 34ºF in 1966
Normal High in Baltimore: 73ºF
Record 92ºF 1930
The heavy rain did not hit everyone. Baltimore only got 0.24” and is still in a deep hole since last year.
Rainfall Deficit at BWI
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Another day with showers and some thunderstorms developing in the heat of the day… while steadier rain may move in across the mountains towards evening.
This pattern will relax mid-week, and then a push of colder air is expected to drop temperatures and bring more rain on Friday.
The upper-level pattern will transition to another pocket of cool and unsettled air that may bring the next round of rain.
As this round of wet weather breaks Wednesday afternoon, the next will develop Friday, which could be chilly and wet.
Then showers on Saturday will shift away and give us a nicer end to the weekend.
This may start with a morning rain, then some clearing and diminished showers with our break in the action.
This looks like a dry day (for now).
This is looking like a wet day as that pocket of cool air and a slow-moving upper-level storm passes through the region.
The energy will pivot to our north, with the focus of showers and thunderstorms shifting.
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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
