Monday February 18 2019

The big story is the Winter Storm Watch issued in central Maryland (there will be other areas to follow). The statement has it Tuesday evening to Wednesday evening, but most of us can just plan for the bulk of the action during the daylight hours on Wednesday. This will be a high impact event with a heavy burst of snow followed by sleet and freezing rain. Below is a look at the watch map, snow and ice simulations, and hint at snow potential. But first, we need to talk about the system. departing now.

Temperatures have warmed just enough this morning so that most places under the Winter Weather Advisory should be thawing. A few spots around the Maryland and PA line between Carroll, Baltimore, and York Counties were around 32ºF. Ice was spotty and could take some time to melt. All that is left is some rain moving through southern Maryland and off of the coast. The temperatures will remain in the mid 30s, but the winds will increase making it feel like the 20s today.

Local Weather Stats For February 18, 2019 in Baltimore

Average High: 46ºF

Record High: 75ºF in 1976

Average Low: 27ºF

Record Low: 12ºF in 1958

*Record Snow: 5.7″ in 1964

Sunrise: 6:54 AM

Sunset 5:46 PM

*Daylight = 2:26 longer than yesterday

*Bay Water Temperature = 38ºF at Thomas Pt. Light House

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Weather Today

The rain is moving out, but the winds will increase. So temps remain nearly steady but will feel colder with wind chills this afternoon.

Tuesday Temps:

This is to set the stage for preparing the ground for stickage.

Winter Storm Notes:

Most of our region will see a burst of snow Wednesday morning. This will accumulate a few inches
School Impact: Yes! I won’t promise, but I expect many schools will cancel even before the first flakes since this will be an all day event.
How much snow? This depends on your location and timing to change to sleet and freezing rain.
Ice Storm? I expect a longer period of freezing rain in the same areas that had it last week. There may be more. I will fine turn that over the next day.
Thursday Impact? We should warm by morning, but ice often lasts longer than computer models show. Especially if there is build up on trees that will be melting and falling on roads.

Winter Storm Watch

Officially this begins Tuesday Evening in central Maryland and northern VA, but the bulk of snow and ice will arrive Wednesday morning.
I expect more areas will be added. Please note that our region is split under many NWS Offices that post at different times.
This map still includes current Winter Weather Advisory in PA and Coastal Flood Advisory in DE

Storm Animation

Radar Simulation —> slider

[metaslider id=73453]

How Much Snow?

This is just from the ECMWF Model because I am sure you want to have some idea…
My concern is that there may be some sleet that is being confused and added in with the totals.
I will have my first call for snowfall map in my afternoon report.

Thursday Morning Temps

There may still be an impact despite the temps above freezing. If we have extensive ice, there will be time needed for it to thaw. Also melt and break or fall off of trees and power lines.