May 12 Hazy Warm Day With Rain Saturday And Better Mothers Day

May 12, 2023

Friday Morning Update

We continue to have a hazy sky as pollution has been building over the last few days. The sky will give way to more clouds and an isolated shower. More rain will arrive on Saturday, while Mother’s Day looks much better.

Morning Temperatures

Morning Surface Weather

High Pressure is still in control, which has allowed some of the pollution from the previous days to build up. This will affect our air quality today.

The winds will allow a warm up today, and an increase in humidity. So it may feel more summer-like.

The rain showers will arrive Saturday morning…

However, Severe Storms are likely to break out in the Northern Plains.

Air Quality Forecast

CODE ORANGE = Sensitive Groups may want to reduce outdoor exposure in the afternoon.

Severe Storm Outlook From NOAA

This will include large hail, damaging winds, and tornadoes.

Afternoon Temperatures

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CLIMATE DATA

TODAY May 12

Normal Low in Baltimore:  52ºF

Record 35ºF in 1963

Normal High in Baltimore: 75ºF

Record 94ºF 1881

Saturday Weather

Radar Simulation 6 AM to 10 PM

Showers will be here around daybreak and last into the afternoon.

Afternoon Snapshot

This should be ending sooner north of Baltimore, and last longer across Southern Maryland.

Saturday Temperatures

It may end up warmer before sunrise than the afternoon.

Morning

Afternoon

Storm Animation

Saturday Morning To Monday Afternoon

The best chance of rain on Saturday will be in the morning. This will push through before evening, the second batch of rain is expected on Monday, with a better chance across our southern half.

7 Day Forecast

The rain on Saturday will last longer across southern Maryland. Then we set up for a better Mother’s Day. Rain on Monday will more more scattered, then cooler but mostly dry next week.

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RESTATING MY MESSAGE ABOUT DYSLEXIA

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 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 predicting the future. All of the maps and information are accurate. The ‘wordy’ stuff can get sticky.  There has been no editor that can check my work when I needed it and 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 able. 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.

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