March 17 St. Patricks Day Rain Showers Then Chilly Weekend

March 17, 2023

Friday Morning

Happy St. Patrick’s Day! If nothing else we have been consistent, but perhaps the Irish luck may change this pattern. We have continued all winter to have a warm Thursday, followed by some sort of weather event Friday into a windy and colder Saturday. That’s our story again and I have the details plus live radar widget.

The colder weekend will have a few mornings to follow below freezing, so that may impact the early spring blooms.

Spring will officially begin on Monday.

Morning Surface Weather

The morning is damp north of Baltimore into southern PA. That first round of rain will move through early, then the next wave of rain will arrive for many of us within an hour or two of noon.

Periods of rain: The rain will last for a few hours, then a lull, then more this evening and tonight. See the simulation below.

Behind this front will be colder air and strong winds. That will bring snow to the mountains and perhaps the Clipper will bring a snow shower into the metro area Saturday night.

Live Radar Widget

Radar Simulation

11 AM to 10 PM

• First wave: Within an hour or two of noon
• Late Afternoon: Lull
• Evening: Next round of showers
• Heavy rain: Annapolis to Southern Maryland 8 PM to Midnight

Morning Temperatures

Afternoon Temperatures

Will be cooler when the rain falls

Noon

3 PM – Cooler

9 PM – Mild ahead of final band of rain

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REPORT: La Niña Has Ended. El Niño May Return By Fall

CLIMATE DATA

TODAY March 17

Normal Low in Baltimore:  34ºF

Record 15ºF in 1900

SNOW: 5.0” in 1931

Normal High in Baltimore: 55ºF

Record 85ºF in 1945

Heat Wave: This was part of a 2-Day period in 1945 with temps in the mid 80s

March Snow and Extreme Weather History

https://justinweather.com/2023/02/28/march-snow-history-the-madness-of-weather-potential-this-month/

Saturday Morning Temperatures

Colder

Wind Forecast

8 AM to 8 PM

Afternoon Temperatures

Saturday Night

If we get snow showers, they will be brief. The potential timing would be 8 PM to midnight.

7 Day Forecast

This weekend will be windy and chilly!

A few mornings below freezing! Then sunny and quiet most of next week.

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IN CASE YOU MISSED IT

My REALISTIC Expectations for the COLD OUTLOOK

Winter History: Low Snow And Late Starts

See my research based on Baltimore data since 1883.

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.

#FITF

STEM Assemblies/In School Fields Trips Are Back

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My Winter Outlook: Not A Typical La Niña!

I see many factors to support colder influence with multiple systems. Early and later in winter. Check it out. https://justinweather.com/2022/11/22/winter-outlook-2023-for-snow-not-typical-la-nina-plus-polar-vortex-disruption/

Also See The Winter Outlook Series:

https://justinweather.com/2022/11/20/atmospheric-memory-suggests-active-winter-storm-pattern-outlook/

https://justinweather.com/2022/10/21/winter-outlook-2023-from-noaa-very-different-than-farmers-almanacs/

Farmer’s Almanac Comparison

Winter Outlook 2023 Early Look At Snow From Two Farmers Almanacs

Triple Dip La Niña Winter

https://justinweather.com/2022/09/09/winter-outlook-2023-la-nina-triple-dip-expectations/

CONNECTION TO WINTER?

If you want a snowy winter, this is what you might want to look for in the rest of the tropical season. https://justinweather.com/2022/08/31/record-august-for-no-named-tropical-storms-closer-look-at-snow-following/

Woolly Bear Caterpillars

https://justinweather.com/2022/10/25/winter-weather-outlook-from-the-wooly-bear-caterpillar/

Persimmon Seeds

Winter Weather Outlook: Persimmon Seeds And Snow Folklore

Click to see Top 20 and MORE

https://justinweather.com/2022/10/28/winter-weather-folklore-top-20-and-more-outlook-signals-from-nature-for-cold-and-snow/

Normals And Records: Maryland and Baltimore Climate History

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