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January 29-30, 2019 Arctic FROPA


WxUSAF
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Special Weather Statement
National Weather Service Baltimore MD/Washington DC
1242 PM EST Wed Jan 30 2019

DCZ001-MDZ004>006-011-013-014-018-503>508-VAZ052>054-501-505-506-
302100-
District of Columbia-Frederick MD-Carroll-Northern Baltimore-
Southern Baltimore-Prince Georges-Anne Arundel-Calvert-
Northwest Montgomery-Central and Southeast Montgomery-
Northwest Howard-Central and Southeast Howard-Northwest Harford-
Southeast Harford-Prince William/Manassas/Manassas Park-Fairfax-
Arlington/Falls Church/Alexandria-Northern Fauquier-
Western Loudoun-Eastern Loudoun-
Including the cities of Washington, Frederick, Ballenger Creek,
Eldersburg, Westminster, Reisterstown, Cockeysville, Baltimore,
Bowie, Suitland-Silver Hill, Clinton, College Park, Greenbelt,
Laurel, Camp Springs, Glen Burnie, Annapolis, Severn, South Gate,
Severna Park, Arnold, Odenton, Chesapeake Beach, Huntingtown,
Dunkirk, North Beach, Lusby, Prince Frederick, Germantown,
Damascus, Bethesda, Rockville, Gaithersburg, Silver Spring,
Lisbon, Columbia, Ellicott City, Jarrettsville, Aberdeen,
Dale City, Manassas, Woodbridge, Lake Ridge, Montclair, Reston,
Herndon, Annandale, Centreville, Chantilly, McLean, Franconia,
Arlington, Alexandria, Falls Church, Warrenton, Purcellville,
Leesburg, Ashburn, and Sterling
1242 PM EST Wed Jan 30 2019

...ARCTIC FRONT MOVING THROUGH WITH A QUICK BURST OF SNOW...GUSTY
WINDS AND FALLING TEMPERATURES...

At 1240 PM EST, an arctic front was crossing the region. The
front will cross the Baltimore and Washington metro areas during
the early and middle afternoon hours.

Along the front a quick burst of intense snow is likely. A quick
snow accumulation of less than one inch is possible, mainly on
grassy surfaces. Winds will gust up to 50 mph, and temperatures
will fall 5 to 10 degrees. Falling temperatures and wet roads may
create icy spots.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Be prepared for areas of blowing snow. This could lead to
temporary very low visibilities and the potential for dangerous
driving conditions. If you are traveling and encounter adverse
winter driving conditions, reduce speed and make sure headlights
are on. Also be alert for icy areas after the front passes and
temperatures fall.
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4 minutes ago, Bob Chill said:

It was my favorite event of 2015 by a good margin. Yea, we got some really nice storms after that front but it was a one of a kind flip from crap to great. I literally couldn't see my neighbor's house across the street. After it shut off temps cliffed and then we went on a heater. Unforgettable. 

ha, i liked it, but i gotta put feb 21 over it.  that was one of my all time favorite overachieving storms here.  that squall was rare, though.  just caked snow for 2 hours.

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10 minutes ago, 87storms said:

simply put, that squall was legendary.  it was essentially lake effect snow for an hour.  probably about twice as heavy as the final band that came through yesterday.

Times like this I miss being in buffalo. 2-3 feet of LES downtown with temp of 1 degree. Unreal. This is a mini weak LES band at best, but I’ll take another inch toward climo!

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1 minute ago, adelphi_sky said:

And just like summer, it will be a miss! My goodness wasted 45 minutes watching radar loops just to get fringed by a line clearly aiming for the district. I'll probably experience a flizzard. 

The winds will still be howling. That's worth an outdoor walk 

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1 minute ago, WxUSAF said:

Everyone should remember radar depiction is going to be a little weird because of how low this squall is.

Yup.  As I mentioned earlier, it's low topped stuff that appears to fade out in between radar sites.  Someone needs to tell that to Crankwxguy on Twitter.

KGAI just reported SN+

Quote
KGAI 301756Z AUTO 32009G25KT 300V020 1/4SM +SN SCT017 BKN041 OVC095 M05/M09 A2989 RMK AO2 PK WND 30033/1746 WSHFT 1737 RAE1657UPB1657E01B34E36SNB36 SLP155 P0000 60000 T10501089 10011 21128 55002 FZRANO

 

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