November 19 Weather: Mild Days End With Rain Wednesday Night and Snow Showers Into Friday
November 19, 2024
Tuesday Morning Report
The excitement about the storm on the way has many layers. Take away the snow talk, and the big deal is the needed precipitation over extreme drought areas. The flip by Friday to winter cold is also a stark contrast to the record-warm Fall we have had.
There is a Winter Storm Watch for the high mountains of far Western Maryland and West Virginia. That is NOT for metro areas, but we do see a signal for snow showers or a rain-snow mix on Friday in metro Baltimore.
Let’s take a look…
Morning Surface Weather
High clouds will once again cover our sky ahead of the system to our west. This may provide another solar halo and sun dogs. It is often a signal of rain or snow arriving in the next 24 to 48 hours, and we do have that.
The main Low in Minnesota will spin our way and be the source of colder air.
The developing Low along The Gulf of Mexico will bring some severe weather and pass off the coast to our south.
The surge of colder air is entering Montana and will be expanding our way behind the rain and reaches us by Friday.
Afternoon Temperatures
Nearly seasonal expectations.
CLIMATE DATA: Baltimore
TODAY November 19
Sunrise at 6:55 AM
Sunset at 4:59 PM
Normal Low in Baltimore: 36ºF
Record 19ºF in 2014
Normal High in Baltimore: 56ºF
Record 77ºF 1928
Baltimore Drought Update
- 7.40 inches BELOW AVERAGE rainfall since September 1st
- 7.86 inches BELOW AVERAGE rainfall since January 1st
THE BURN BAN REMAINS IN PLACE
Map Updated Thursday, November 14
WEDNESDAY NOVEMBER 20
Increasing clouds and maybe an early shower. The main rain will arrive in metro areas after dark and overnight.
Morning Temperatures
Afternoon Temperatures
EXTENDED FORECAST
Jet Stream: Wednesday, Nov 20 to Sunday, Nov 24
The core of the colder air will arrive on Friday, then relax by early next week.
Snapshot Friday
The core of the cold air will pass through the East Coast. This is starting to look like a winter pattern.
It will also kick off the Lake Effect Snow.
Snapshot Sunday
The return to mild air will arrive by the end of the weekend.
Storm Forecast Wednesday to Saturday
Snapshots
Wednesday Night
Rain will be heaviest overnight.
Thursday Morning
Rain will be ending for us and shifting north.
Extreme drought regions of New Jersey, Metro New York, and New England will get needed rain!
Thursday Afternoon
The initial instability with snow showers in the mountains will begin.
Friday
Heavy snow in the mountains will continue.
Nearby snow showers in the northern suburbs, with rain and snow showers in and around Baltimore.
Precipitation Total (rain and melted snow)
WINTER STORM WATCH
This includes Garrett County, MD, and the high mountains in West Virginia.
Snow 6 to 12+ inches with wind gusts to 50 mph.
Note this is over an extreme drought region and is much needed.
Snow Forecast ‘SUGGESTION’ Model Maps
This is using the Kuchera ratio, which applies different snow to liquid ratios… not just a blanket 10” to 1.” Heavy snow is almost a certainty in the high mountains.
GFS Model
European ECWMF Model
7 Day Forecast
The Flip By Friday! This pattern change will be ushered in with strong winds and some snow/rain showers in the Baltimore suburbs.
Heavy snow in the high mountains of Western MD and WV for a few days.
The return of mild temps by early next week.
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Also See
La Nina Watch Update: November 2024
FOUR SUPERMOONS OF 2024
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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.
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