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Yeoman

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    February 13, 2021 Ice Storm Obs

    in Mid Atlantic

    Posted

    34 minutes ago, arlwx said:

    New bunch of WWAs. 

    
URGENT - WINTER WEATHER MESSAGE
National Weather Service Baltimore MD/Washington DC
647 PM EST Fri Feb 12 2021

Hardy-
647 PM EST Fri Feb 12 2021

...WINTER WEATHER ADVISORY IN EFFECT FROM 1 AM TO 1 PM EST
SATURDAY...

* WHAT...Sleet and freezing rain. Total sleet accumulations of
  less than one inch and ice accumulations of up to one tenth of
  an inch.

* WHERE...Hardy County.

* WHEN...From 1 AM to 1 PM EST Saturday.


 - WINTER WEATHER MESSAGE
National Weather Service Baltimore MD/Washington DC
647 PM EST Fri Feb 12 2021

VAZ027-131000-

647 PM EST Fri Feb 12 2021

...WINTER WEATHER ADVISORY IN EFFECT FROM 1 AM TO 7 PM EST
SATURDAY...

* WHAT...Sleet and freezing rain. Total sleet accumulations of
  less than one inch and ice accumulations of up to one tenth of
  an inch.

* WHERE...Shenandoah County.

* WHEN...From 1 AM to 7 PM EST Saturday.

 WINTER WEATHER MESSAGE
National Weather Service Baltimore MD/Washington DC
647 PM EST Fri Feb 12 2021

VAZ030-131000-
/O.EXB.KLWX.WW.Y.0011.210213T0600Z-210214T1200Z/
Warren-
647 PM EST Fri Feb 12 2021

...WINTER WEATHER ADVISORY IN EFFECT FROM 1 AM SATURDAY TO 7 AM
EST SUNDAY...

* WHAT...Sleet and freezing rain. Total sleet accumulations of
  less than one inch and ice accumulations of up to one tenth of
  an inch.

* WHERE...Warren County.

* WHEN...From 1 AM Saturday to 7 AM EST Sunday.

 WINTER WEATHER MESSAGE
National Weather Service Baltimore MD/Washington DC
647 PM EST Fri Feb 12 2021

MDZ501-WVZ050-501>504-131000-
/O.EXB.KLWX.WW.Y.0011.210213T1200Z-210213T1800Z/
Extreme Western Allegany-Hampshire-Western Grant-Eastern Grant-
Western Mineral-Eastern Mineral-
647 PM EST Fri Feb 12 2021

...WINTER WEATHER ADVISORY IN EFFECT FROM 7 AM TO 1 PM EST
SATURDAY...

* WHAT...Sleet and freezing rain. Total sleet accumulations of
  less than one inch and ice accumulations of up to one tenth of
  an inch.

* WHERE...Portions of western Maryland and eastern West Virginia.

* WHEN...From 7 AM to 1 PM EST Saturday.
WINTER WEATHER MESSAGE
National Weather Service Baltimore MD/Washington DC
647 PM EST Fri Feb 12 2021

MDZ003>006-502-507-VAZ028-031-WVZ051>053-131000-
/O.EXB.KLWX.WW.Y.0011.210213T1200Z-210214T1200Z/
Washington-Frederick MD-Carroll-Northern Baltimore-
Central and Eastern Allegany-Northwest Harford-Frederick VA-
Clarke-Morgan-Berkeley-Jefferson-
647 PM EST Fri Feb 12 2021

...WINTER WEATHER ADVISORY IN EFFECT FROM 7 AM SATURDAY TO 7 AM
EST SUNDAY...

* WHAT...Sleet and freezing rain. Total sleet accumulations of
  less than one inch and ice accumulations of up to one tenth of
  an inch.

* WHERE...Portions of north central, northern and western
  Maryland, northwest Virginia and eastern West Virginia.

* WHEN...From 7 AM Saturday to 7 AM EST Sunday.

* WINTER WEATHER MESSAGE
National Weather Service Baltimore MD/Washington DC
647 PM EST Fri Feb 12 2021

District of Columbia-Cecil-Southern Baltimore-Prince Georges-
Anne Arundel-Northwest Montgomery-
Central and Southeast Montgomery-Northwest Howard-
Central and Southeast Howard-Southeast Harford-
Prince William/Manassas/Manassas Park-Fairfax-
Arlington/Falls Church/Alexandria-Northern Fauquier-
Western Loudoun-Eastern Loudoun-
647 PM EST Fri Feb 12 2021

...WINTER WEATHER ADVISORY NOW IN EFFECT FROM 7 AM SATURDAY TO
7 AM EST SUNDAY...

* WHAT...Sleet and freezing rain. Total sleet accumulations of
  less than one inch and ice accumulations of up to one tenth of
  an inch.

* WHERE...The District of Columbia, portions of central,
  northeast and northern Maryland and northern Virginia.

* WHEN...From 7 AM Saturday to 7 AM EST Sunday.

URGENT - WINTER WEATHER MESSAGE
National Weather Service Baltimore MD/Washington DC
647 PM EST Fri Feb 12 2021

Augusta-Rockingham-Page-Greene-Eastern Highland-
647 PM EST Fri Feb 12 2021

...WINTER WEATHER ADVISORY NOW IN EFFECT FROM 1 AM TO 7 PM EST
SATURDAY...

* WHAT...Sleet and freezing rain. Total sleet accumulations of
  less than one inch and ice accumulations of up to one tenth of
  an inch.

* WHERE...Greene, Eastern Highland, Augusta, Page and Rockingham
  Counties.

* WHEN...From 1 AM to 7 PM EST Saturday.

 WINTER WEATHER MESSAGE
National Weather Service Baltimore MD/Washington DC
647 PM EST Fri Feb 12 2021

MDZ018-VAZ039-040-051-502-507-131000-
/O.EXT.KLWX.WW.Y.0011.210213T0600Z-210214T1200Z/
Calvert-Madison-Rappahannock-Culpeper-Southern Fauquier-
Northern Virginia Blue Ridge-
647 PM EST Fri Feb 12 2021

...WINTER WEATHER ADVISORY NOW IN EFFECT FROM 1 AM SATURDAY TO
7 AM EST SUNDAY...

* WHAT...Sleet and freezing rain. Total sleet accumulations of
  less than one inch and ice accumulations of up to two tenths of
  an inch.

* WHERE...Portions of southern Maryland and northern and
  northwest Virginia.

* WHEN...From 1 AM Saturday to 7 AM EST Sunday.

 WINTER WEATHER MESSAGE
National Weather Service Baltimore MD/Washington DC
647 PM EST Fri Feb 12 2021

Western Highland-Eastern Pendleton-
647 PM EST Fri Feb 12 2021

...WINTER WEATHER ADVISORY NOW IN EFFECT FROM 1 AM TO 1 PM EST
SATURDAY...

* WHAT...Sleet and freezing rain. Total sleet accumulations of
  less than one inch and ice accumulations of up to one tenth of
  an inch.

* WHERE...In Virginia, Western Highland County. In West
  Virginia, Eastern Pendleton County.

* WHEN...From 1 AM to 1 PM EST Saturday.

 WINTER WEATHER MESSAGE
National Weather Service Baltimore MD/Washington DC
647 PM EST Fri Feb 12 2021

WVZ505-131000-Western Pendleton-
647 PM EST Fri Feb 12 2021

...WINTER WEATHER ADVISORY NOW IN EFFECT FROM 7 AM TO 1 PM EST
SATURDAY...

* WHAT...Sleet and freezing rain. Total sleet accumulations of
  less than one inch and ice accumulations of up to one tenth of
  an inch.

* WHERE...Western Pendleton County.

* WHEN...From 7 AM to 1 PM EST Saturday.

     

    What about Short pump?

    • Like 1
    • Haha 12

    Feb Long Range Discussion (Day 3 and beyond) - MERGED

    in Mid Atlantic

    Posted

    4 minutes ago, WinterFire said:

    If I had to guess, I'd say part of it is sea surface temperatures--if the Atlantic is warming, it would make it much more difficult to get cold and stay cold in the costal plain. Unfortunately since that's global warming-driven, there's not much we can do about that. But would a northern-stream dominant flow also have an impact? I.e., are systems required to dig more without drying out too much (which seems to have been happening with nearly every storm inside 72 hours), which makes any set up pretty precarious? Maybe it's grasping at straws, but that is something that (hopefully) doesn't stick around forever, and wouldn't necessarily imply that even moderate snow in the DC-Baltimore area is just shy of a lost cause...

    Over the past 40 years there have been more storms than I can count when NW burbs get significant snow accumulation and DC gets nothing. Lack of elevation and marginal temps at work, and it only becomes more of a detriment as we get further along in the season

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