April 27 Heavy Rain With Two Storms On The Way

April 27, 2023

Thursday Morning Update

The turn in our weather may already seem to have been felt, but we are still in transition. The next phase will be a series of storms that bring day long steady and soaking rains. The first will arrive on Friday and will be accompanied by very chilly air. It will feel more like early March rather than almost May.

The second storm will be the stronger one on Sunday. The net result will bring many areas possibly a few inches of rain. Also, coastal areas on the Western Shore of The Chesapeake Bay will have a steady wind flow that could lead to tidal flooding for a few days.

Morning Temperatures Observations

A cool morning but no frost with mid 40s to lower 50s.

Morning Surface Weather

We can’t shake all of the clouds, but we have carved a brief dry pocket this morning. However, the roads may still be damp.

We may see a return of showers this afternoon as the atmosphere remains unsettled. A very stormy pattern will arrive from the Gulf Coast region. This will send us two separate storms with steady rain. The first arrives Friday morning.

Radar Simulation

Noon To Midnight

This will be a dry day, however the unsettled pattern may bring in some showers before the main storm.

Afternoon Temperatures

We remain below average but this may be our mildest day for a while.

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CLIMATE DATA

TODAY April 27

Normal Low in Baltimore:  48ºF

Record 35ºF in  2001

Normal High in Baltimore: 71ºF

Record 92ºF 1994

REPORTS:

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Aurora Photos From Maryland, Delaware, and Virginia

April Heat Wave History

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Friday Rain Animation

6 AM to 10 PM

Rain will be arriving from the south around daybreak. If you wake up and it is not raining close to sunrise, it will soon after. Then it will last all day.

Snapshot at Noon

A steady rain will cover most of the area. Heavier cells in Virginia area expected to move north in the afternoon. These may contain some downpours and lightning/thunder. As you will see below, the temperatures will remain chilly and might even drop from the morning.

Friday Temperatures

Morning

A cool start as rain arrives around daybreak.

Afternoon Temperatures

Temps will be steady or falling slightly through the lower 50s with the rain. These numbers will be 15 to 20 degrees BELOW AVERAGE and more like early March.

Weekend Storm Forecast Animation

Friday Morning To Monday Morning

Two storms around our weekend. First arrives on Friday, the second will be later Sunday into Monday. In between there will be dry hours during the weekend. However, it will remain unsettled with a chilly and damp feel.

Snapshot Sunday Night

One thing I’ve seen often has been the speeding up of weather systems. While we see the Low Pressure overhead at night, the heavier rain may end up dominating the day, especially the afternoon.

Rain Forecast

The total weekend rain is likely to bring a widespread 1 to 2+ inches of rain. There may be some locations with over 3 inches…. The heavy rain pockets are subject to change from what we see here, all based on the specific line up of the storms and embedded cells.

Tuesday

The following weather system will tap into that core of colder air. The net result will bring us more rain, AND higher elevation snow. This may produce some accumulation for Garrett County Maryland and the high ridge in West Virginia.

Jet Stream Fri Morning To Next Friday Morning

If this was winter…

We can say that, but it’s not. Yes, it would have brought us snow in February or March. But in early May, just a chilly and damp pattern.  There may be snow in the high mountains and near the Great Lakes. Locally we may have a morning or two with inland frost.

7 Day Forecast

This overall pattern is cool and wet. The main rain events will be Friday and Sunday, with showers on the other days… but not all wet. We will have some dry hours, especially on Saturday.

Next week will bring snow to western Maryland AND possibly a morning or two with frosty mornings inland.

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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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