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In regards to the HRRR its trending colder with dewpoints and temperature. Dynamic cooling is gonna do its thing later.

Just drove down to Essex temp was 37 in bel air and its 43 here. Amazing what a little elevation does. One thing the HRRR-NAM is too warm already up here

Hrdps Much better at the surface 32-33 heavy snow does the work

The biggest question at this point is how much temps can fall under the very heavy rates projected. GFS and NAM warm everyone to near 36-40. Dynamic cooling should be decent. That's TBD yet 37 here in bel air dew point is in the 20s tho

Snowing pretty good in parkton https://chart.maryland.gov/video/video.php?feed=01000de0003700b2004be2369e235daa

Nam has a super super small warm layer that tires to sneak into NMD but with the precip rates at this time that should overcome that.

Nam is definitely colder finally

Looks like this will be the best GFS run yet for the northern tier

Winter Weather Advisory URGENT - WINTER WEATHER MESSAGE National Weather Service Baltimore MD/Washington DC 155 PM EST Sat Mar 2 2019 MDZ504-506-VAZ506-030300- /O.NEW.KLWX.WW.Y.0019.190303T1700Z-190304T0900Z/ Central and Southeast Montgomery-Central and Southeast Howard- Eastern Loudoun- 155 PM EST Sat Mar 2 2019 ...WINTER WEATHER ADVISORY IN EFFECT FROM NOON SUNDAY TO 4 AM EST MONDAY... * WHAT...1 to 3 inches of snow and sleet expected. * WHERE...In Maryland, Central and Southeast Montgomery and Central and Southeast Howard Counties. In Virginia, Eastern Loudoun County. * WHEN...From noon Sunday to 4 AM EST Monday. * ADDITIONAL DETAILS...Plan on slippery road conditions. The steadiest precipitation is expected Sunday afternoon and evening. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Winter Weather Advisory means periods of wintry precipitation will cause primarily travel difficulties. Expect slippery roads and limited visibilities, and use caution while driving. When venturing outside, watch your first few steps taken on steps, sidewalks, and driveways, which could be icy and slippery, increasing your risk of a fall and injury. && $$

Winter Storm Warning URGENT - WINTER WEATHER MESSAGE National Weather Service Baltimore MD/Washington DC 155 PM EST Sat Mar 2 2019 MDZ003>005-VAZ505-WVZ052-053-030300- /O.UPG.KLWX.WS.A.0006.190303T1200Z-190304T1200Z/ /O.NEW.KLWX.WS.W.0007.190303T1700Z-190304T0900Z/ Washington-Frederick MD-Carroll-Western Loudoun-Berkeley- Jefferson- 155 PM EST Sat Mar 2 2019 ...WINTER STORM WARNING IN EFFECT FROM NOON SUNDAY TO 4 AM EST MONDAY... * WHAT...4 to 8 inches of snow expected. * WHERE...Portions of north central Maryland, northern Virginia and the eastern panhandle of West Virginia. * WHEN...From noon Sunday to 4 AM EST Monday. * ADDITIONAL DETAILS...Travel could be very difficult. The steadiest snow is expected Sunday afternoon and evening. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Winter Storm Warning for snow means severe winter weather conditions will make travel very hazardous or impossible. If you must travel, keep an extra flashlight, food and water in your vehicle in case of an emergency. When venturing outside, watch your first few steps taken on steps, sidewalks, and driveways, which could be icy and slippery, increasing your risk of a fall and injury. && $$

Winter Storm Warning URGENT - WINTER WEATHER MESSAGE National Weather Service Baltimore MD/Washington DC 155 PM EST Sat Mar 2 2019 MDZ006-507-030300- /O.UPG.KLWX.WS.A.0006.190303T1200Z-190304T1200Z/ /O.NEW.KLWX.WS.W.0007.190303T1900Z-190304T0900Z/ Northern Baltimore-Northwest Harford- 155 PM EST Sat Mar 2 2019 ...WINTER STORM WARNING IN EFFECT FROM 2 PM SUNDAY TO 4 AM EST MONDAY... * WHAT...4 to 6 inches of snow expected. * WHERE...Northern Baltimore and Northwest Harford Counties. * WHEN...From 2 PM Sunday to 4 AM EST Monday. * ADDITIONAL DETAILS...Travel could be very difficult. The steadiest snow is expected late Sunday afternoon and evening. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Winter Storm Warning for snow means severe winter weather conditions will make travel very hazardous or impossible. If you must travel, keep an extra flashlight, food and water in your vehicle in case of an emergency. When venturing outside, watch your first few steps taken on steps, sidewalks, and driveways, which could be icy and slippery, increasing your risk of a fall and injury. && $$

Wsw out

Euro kutchera Looks good for the northern tier

17z

HRRR continues to improve.

Good test for the HRRR. Shows dews in the upper 20s low 30s and temps near freezing the entire duration Soundings are snow soundings north of balt city but very close

Hrrr is trending colder. It really looks like significant Ice later west of the 95 corridor. 90% of the total qpf is ice

Mega band moving into N-NE MD over 3.0 here in bel air really fluffy snow actually can use a broom.

Getting stronger as it lifts NE pretty intense Snow here in bel air

Pretty awesome