2022 Christmas Holiday Travel and Weather Hazards Outlook
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Hi Neighbors,? As you may know, we are expecting some winter weather this week and over the holidays.? Below is the latest national forecast from the National Weather Service Operations Center. The attachment?is a deep dive into the forecast for?regions of the U.S. which may be helpful for those of you who are travelling. And it has a number of cool graphics.?
Happy holidays and travel safely!?
---------- Forwarded message ---------
From: National Weather Service Operations Center?
Date: Tue, Dec 20, 2022 at 11:28 AM
Subject: 2022 Christmas Holiday Travel and Weather Hazards Outlook
To: _NWSOC Sigevent?
2022 Christmas Holiday?Travel and Weather Hazards Outlook
Key Points?(Tuesday, December 20th - Monday, December 26th):
Arctic air will consume much of the Lower 48 this week with well below-normal temperatures and bitter wind chills stretching from the Northwest into the Eastern two-thirds of the U.S. - Potential for flash freeze conditions with rapidly falling temperatures following rainfall from the Mid-South to the East Coast later this week.
- Arctic air and much below normal temperatures will also impact much of Alaska through the period.
- Moisture overrunning the Arctic Airmass will produce heavy mountain snow, and potential for accumulating snow or a rain/snow mix to sea level in the Northwest this week.
- Heavy snow, blowing snow, and snow squalls possible across the Intermountain West and Rockies through Wednesday.
- Snow levels are forecast to rise in the Northwest over the Holiday weekend.? ?
- A major winter storm will impact Holiday travel with a broad area of high winds, heavy snow, blowing snow, and bitter wind chills; localized areas with a wintry mix will take shape late this week across the Eastern half of the U.S.
- Heavy snow is expected to develop in the Central Plains and Middle Mississippi Valley on Wednesday.
- Heavy snow and possible blowing snow is expected to stretch from parts of the South Plains into the Great Lakes on Thursday.
- Significant travel hazards are expected from heavy snow and blowing snow with possible blizzard conditions across the Upper Midwest and Great Lakes on Friday and Saturday.
- Lake Effect Snow is likely to continue through Sunday.
- Across the Northeast, flooding impacts are possible Thursday through Sunday in response to moderate to locally heavy rainfall combined with snowmelt.
- Localized flooding from rain on snowmelt also possible for parts of the Mid-Atlantic on Thursday.
- Strong to severe thunderstorms are possible for parts of the eastern Mid-Atlantic on Thursday.
- Quieter weather conditions across most of the U.S. on Sunday and Monday. Potential for flash freeze conditions with rapidly falling temperatures following rainfall from the Mid-South to the East Coast later this week.
The full, comprehensive report (including regional breakouts) can be found in the attached document.??**This report will be the only update unless conditions warrant.**
-- Maureen O'Leary
NOAA National Weather Service
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