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Dec 8/9 Obs and discussion (Showme's) Storm


showmethesnow

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18 minutes ago, WxUSAF said:

Public Information Statement
Spotter Reports
National Weather Service Baltimore MD/Washington DC
534 AM EST Sun Dec 10 2017

The following is a list of preliminary storm total snowfall
observations for the storm that affected our region on Saturday
December 9 2017. Appreciation is extended to highway departments,
cooperative observers, SKYWARN spotters and media This summary is
also available on our home page at www.weather.gov/lwx.

********************STORM TOTAL SNOWFALL********************

LOCATION          STORM TOTAL     TIME/DATE   COMMENTS
                     SNOWFALL           OF
                     /INCHES/   MEASUREMENT

DISTRICT OF COLUMBIA

...District Of Columbia County...
   1 WSW National Zoo     2.4   901 PM 12/09  Trained Spotter

MARYLAND

...Anne Arundel County...
   1 SSW South Gate       3.5   845 PM 12/09  Trained Spotter
   3 WNW Riveria Beach    3.2  1015 PM 12/09  Trained Spotter
   2 NNE Crofton          3.2   800 PM 12/09  NWS Employee
   1 NW Herald Harbor     3.1   930 PM 12/09  Trained Spotter
   1 NW Annapolis         3.0   800 PM 12/09  Trained Spotter
   Bwi Airport            2.8  1200 AM 12/10  Airport
   Crofton                2.5  1100 PM 12/09  NWS Employee
   2 WSW Harmans          2.0   930 PM 12/09  Trained Spotter

...Baltimore County...
   1 E Bentley Springs    6.0   700 PM 12/09  Trained Spotter
   S Parkton              5.5   700 PM 12/09  Trained Spotter
   1 E Glyndon            5.0   700 PM 12/09  TRAINED SPOTTER
   1 SW Glyndon           5.0   617 PM 12/09  Trained Spotter
   1 WSW Glyndon          4.8   801 PM 12/09  TRAINED SPOTTER
   Reisterstown           4.5   736 PM 12/09  State Emrg Mgmt
   4 N Long Green         4.1   942 PM 12/09  TRAINED SPOTTER
   1 NNE Upper Falls      3.9   914 PM 12/09  Trained Spotter
   1 E Kingsville         3.9   910 PM 12/09  COCORAHS
   2 NW Long Green        3.8   830 PM 12/09  Trained Spotter
   2 NNW Brooklandville   3.8   755 PM 12/09  Trained Spotter
   2 E Perry Hall         3.5   920 PM 12/09  Trained Spotter
   Cockeysville           3.5   711 PM 12/09  Broadcast Media
   1 ENE White Marsh      3.5   855 PM 12/09  Trained Spotter
   1 SSE Catonsville      2.5  1030 PM 12/09  Trained Spotter

...Baltimore City...
   SE Pimlico             3.5   915 PM 12/09  Trained Spotter

...Calvert County...
   2 WNW Huntingtown      3.0   900 PM 12/09  Trained Spotter
   1 S Prince Frederick   2.5   900 PM 12/09  Trained Spotter

...Carroll County...
   2 SE Westminster       6.5   900 PM 12/09  Trained Spotter
   NE Oakland             6.1   640 PM 12/09  Trained Spotter
   1 WNW Gamber           5.7   630 PM 12/09  COCORAHS
   3 SE Winfield          5.4   550 PM 12/09  Trained Spotter
   4 NE Millers           5.0   700 PM 12/09  Co-Op Observer
   SE Westminster         4.5   600 PM 12/09  Trained Spotter
   1 SE Eldersburg        4.3   550 PM 12/09  Trained Spotter
   1 W Westminster        4.0   600 PM 12/09  COCORAHS

...Charles County...
   1 SW Dentsville        2.3   954 PM 12/09  TRAINED SPOTTER
   La Plata               1.8   840 PM 12/09  TRAINED SPOTTER

...Frederick County...
   N New Market           3.0   615 PM 12/09  Trained Spotter
   3 N Thurmont           1.4   630 PM 12/09  Trained Spotter

...Harford County...
   3 W Norrisville        5.5   700 PM 12/09  Trained Spotter
   3 WNW Abingdon         4.0   800 PM 12/09  Trained Spotter
   1 SW Bynum             4.0   911 PM 12/09  Trained Spotter

...Howard County...
   Ellicott City          3.5   828 PM 12/09  Broadcast Media
   2 N Columbia           3.3   847 PM 12/09  TRAINED SPOTTER
   Elkridge               3.3   803 PM 12/09  Other Federal
   1 SSE Simpsonville     3.3   730 PM 12/09  Trained Spotter
   1 NW Ellicott City     3.1   743 PM 12/09  TRAINED SPOTTER
   2 W Elkridge           3.0   910 PM 12/09  Trained Spotter
   2 W Savage             3.0   910 PM 12/09  Trained Spotter
   Columbia               2.0   620 PM 12/09  NWS Employee
   1 ENE Columbia         1.5   917 PM 12/09  Trained Spotter

...Montgomery County...
   Germantown             5.5   610 PM 12/09  Broadcast Media
   3 SSW Damascus         5.2   831 PM 12/09  Co-Op Observer
   1 ESE Clarksburg       4.6   715 PM 12/09  Other Federal
   2 W Derwood            4.4   650 PM 12/09  NWS Employee
   1 ESE Montgomery Vil   4.0   700 PM 12/09  COCORAHS
   Gaithersburg           3.5   714 PM 12/09  County Emrg Mgmt
   Poolesville            3.5   530 PM 12/09  TRAINED SPOTTER
   1 ENE Potomac          3.5   806 PM 12/09  TRAINED SPOTTER
   1 S Olney              3.5  1000 PM 12/09  TRAINED SPOTTER
   1 ESE Norbeck          3.3   800 PM 12/09  Trained Spotter
   1 ENE Montgomery Vil   3.2   830 PM 12/09  Trained Spotter
   1 SSW Montgomery Vil   3.0   700 PM 12/09  Trained Spotter
   1 ENE Garrett Park     2.5   755 PM 12/09  Trained Spotter
   Glen Echo              2.1   838 PM 12/09  NWS Employee

...Prince Georges County...
   1 E Bowie              2.5   630 PM 12/09  COCORAHS
   1 S Forest Heights     1.4   645 PM 12/09  Trained Spotter

...St. Marys County...
   1 ENE Ridge            6.2  1100 PM 12/09  Trained Spotter
   1 NNE Park Hall        5.2   830 PM 12/09  Trained Spotter
   2 WSW Clements         3.0  1100 PM 12/09  Trained Spotter


Not going to go back and double check but those numbers are a pretty good match I believe through the DC/Balt corridor to what the models were spitting out on the good runs from the other day. Using the Kuchera method and not the 10:1 that is.

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4 minutes ago, mappy said:

Hey, 2 isn’t bad for being as far west and north you are with this system. And thanks, I got lucky with those bands. 

Not complaining at all about 2". Well maybe just a little when I see the higher totals just to my south and east. :lol: Always knew that I would be on the fringes of this system irregardless of what the models were spitting out so I am just happy to be on the board.

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About 3-4"

Long term it looked like could be a big storm
Middle term it became blah

4 days away, there was little hope

3 days away, the trend was obvious, it was going to be a few inch storm

2 days was fun, big shift NW

day of it busted!
In the last few minutes it came back on the backend going from 1-2" event to 3-4"

Kind of fun but in the back of my mind I know that 37 degrees and no canadian high is a mediocre event. nice release of energy, :) thanks

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13 minutes ago, showmethesnow said:

Not going to go back and double check but those numbers are a pretty good match I believe through the DC/Balt corridor to what the models were spitting out on the good runs from the other day. Using the Kuchera method and not the 10:1 that is.

I think ratios ended up being better for most locations than previously anticipated, but we had less precipitation than forecast. So it balanced out to some degree.  A general 2-4" forecast turned out very well for most locations except Jackpotville.  

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5 minutes ago, WxUSAF said:

I think ratios ended up being better for most locations than previously anticipated, but we had less precipitation than forecast. So it balanced out to some degree.  A general 2-4" forecast turned out very well for most locations except Jackpotville.  

True,  I got less than half of what msot models were predicting 24 hours ahead of the storm but when the snow really started my temp dropped quicker than forecast by the models and I ended up with slightly greater than a 10-1 ratio.

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2 hours ago, WxUSAF said:

Public Information Statement
Spotter Reports
National Weather Service Baltimore MD/Washington DC
534 AM EST Sun Dec 10 2017

The following is a list of preliminary storm total snowfall
observations for the storm that affected our region on Saturday
December 9 2017. Appreciation is extended to highway departments,
cooperative observers, SKYWARN spotters and media This summary is
also available on our home page at www.weather.gov/lwx.   

Cocorahs report from relatively nearby (2 NNW Burke) was 1.5” as reported this morning. With some compaction, that would put us at a bit under 2”. I think this area might take the prize for lowest snowfall in this event.

1338673491543_7411264.png

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1 hour ago, usedtobe said:

My lighted tree in the snow

 

xmas_tree.png

Nice tree Wes.  Hard to beat a nicely decorated evergreen with snow on it.  Had a 35 foot Holly tree at our previous house with a perfect shape to it.  Lived there for 5 years and put bout 2000 small white lights on it.  Took a while to do, but looked great.  Miss that tree.  Have others at our current home, but not the same.  Was outside much of yesterday putting up more lights in the snow.  Was great way to spend the afternoon and evening.  Like a Jebwalk in circles...  

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2 hours ago, WxUSAF said:

 Public Information Statement
Spotter Reports
National Weather Service Baltimore MD/Washington DC
534 AM EST Sun Dec 10 2017

The following is a list of preliminary storm total snowfall
observations for the storm that affected our region on Saturday
December 9 2017. Appreciation is extended to highway departments,
cooperative observers, SKYWARN spotters and media This summary is
also available on our home page at www.weather.gov/lwx.

********************STORM TOTAL SNOWFALL********************

LOCATION          STORM TOTAL     TIME/DATE   COMMENTS
                     SNOWFALL           OF
                     /INCHES/   MEASUREMENT

DISTRICT OF COLUMBIA

...District Of Columbia County...
   1 WSW National Zoo     2.4   901 PM 12/09  Trained Spotter

MARYLAND

...Anne Arundel County...
   1 SSW South Gate       3.5   845 PM 12/09  Trained Spotter
   3 WNW Riveria Beach    3.2  1015 PM 12/09  Trained Spotter
   2 NNE Crofton          3.2   800 PM 12/09  NWS Employee
   1 NW Herald Harbor     3.1   930 PM 12/09  Trained Spotter
   1 NW Annapolis         3.0   800 PM 12/09  Trained Spotter
   Bwi Airport            2.8  1200 AM 12/10  Airport
   Crofton                2.5  1100 PM 12/09  NWS Employee
   2 WSW Harmans          2.0   930 PM 12/09  Trained Spotter

...Baltimore County...
   1 E Bentley Springs    6.0   700 PM 12/09  Trained Spotter
   S Parkton              5.5   700 PM 12/09  Trained Spotter
   1 E Glyndon            5.0   700 PM 12/09  TRAINED SPOTTER
   1 SW Glyndon           5.0   617 PM 12/09  Trained Spotter
   1 WSW Glyndon          4.8   801 PM 12/09  TRAINED SPOTTER
   Reisterstown           4.5   736 PM 12/09  State Emrg Mgmt
   4 N Long Green         4.1   942 PM 12/09  TRAINED SPOTTER
   1 NNE Upper Falls      3.9   914 PM 12/09  Trained Spotter
   1 E Kingsville         3.9   910 PM 12/09  COCORAHS
   2 NW Long Green        3.8   830 PM 12/09  Trained Spotter
   2 NNW Brooklandville   3.8   755 PM 12/09  Trained Spotter
   2 E Perry Hall         3.5   920 PM 12/09  Trained Spotter
   Cockeysville           3.5   711 PM 12/09  Broadcast Media
   1 ENE White Marsh      3.5   855 PM 12/09  Trained Spotter
   1 SSE Catonsville      2.5  1030 PM 12/09  Trained Spotter

...Baltimore City...
   SE Pimlico             3.5   915 PM 12/09  Trained Spotter

...Calvert County...
   2 WNW Huntingtown      3.0   900 PM 12/09  Trained Spotter
   1 S Prince Frederick   2.5   900 PM 12/09  Trained Spotter

...Carroll County...
   2 SE Westminster       6.5   900 PM 12/09  Trained Spotter
   NE Oakland             6.1   640 PM 12/09  Trained Spotter
   1 WNW Gamber           5.7   630 PM 12/09  COCORAHS
   3 SE Winfield          5.4   550 PM 12/09  Trained Spotter
   4 NE Millers           5.0   700 PM 12/09  Co-Op Observer
   SE Westminster         4.5   600 PM 12/09  Trained Spotter
   1 SE Eldersburg        4.3   550 PM 12/09  Trained Spotter
   1 W Westminster        4.0   600 PM 12/09  COCORAHS

...Charles County...
   1 SW Dentsville        2.3   954 PM 12/09  TRAINED SPOTTER
   La Plata               1.8   840 PM 12/09  TRAINED SPOTTER

...Frederick County...
   N New Market           3.0   615 PM 12/09  Trained Spotter
   3 N Thurmont           1.4   630 PM 12/09  Trained Spotter

...Harford County...
   3 W Norrisville        5.5   700 PM 12/09  Trained Spotter
   3 WNW Abingdon         4.0   800 PM 12/09  Trained Spotter
   1 SW Bynum             4.0   911 PM 12/09  Trained Spotter

...Howard County...
   Ellicott City          3.5   828 PM 12/09  Broadcast Media
   2 N Columbia           3.3   847 PM 12/09  TRAINED SPOTTER
   Elkridge               3.3   803 PM 12/09  Other Federal
   1 SSE Simpsonville     3.3   730 PM 12/09  Trained Spotter
   1 NW Ellicott City     3.1   743 PM 12/09  TRAINED SPOTTER
   2 W Elkridge           3.0   910 PM 12/09  Trained Spotter
   2 W Savage             3.0   910 PM 12/09  Trained Spotter
   Columbia               2.0   620 PM 12/09  NWS Employee
   1 ENE Columbia         1.5   917 PM 12/09  Trained Spotter

...Montgomery County...
   Germantown             5.5   610 PM 12/09  Broadcast Media
   3 SSW Damascus         5.2   831 PM 12/09  Co-Op Observer
   1 ESE Clarksburg       4.6   715 PM 12/09  Other Federal
   2 W Derwood            4.4   650 PM 12/09  NWS Employee
   1 ESE Montgomery Vil   4.0   700 PM 12/09  COCORAHS
   Gaithersburg           3.5   714 PM 12/09  County Emrg Mgmt
   Poolesville            3.5   530 PM 12/09  TRAINED SPOTTER
   1 ENE Potomac          3.5   806 PM 12/09  TRAINED SPOTTER
   1 S Olney              3.5  1000 PM 12/09  TRAINED SPOTTER
   1 ESE Norbeck          3.3   800 PM 12/09  Trained Spotter
   1 ENE Montgomery Vil   3.2   830 PM 12/09  Trained Spotter
   1 SSW Montgomery Vil   3.0   700 PM 12/09  Trained Spotter
   1 ENE Garrett Park     2.5   755 PM 12/09  Trained Spotter
   Glen Echo              2.1   838 PM 12/09  NWS Employee

...Prince Georges County...
   1 E Bowie              2.5   630 PM 12/09  COCORAHS
   1 S Forest Heights     1.4   645 PM 12/09  Trained Spotter

...St. Marys County...
   1 ENE Ridge            6.2  1100 PM 12/09  Trained Spotter
   1 NNE Park Hall        5.2   830 PM 12/09  Trained Spotter
   2 WSW Clements         3.0  1100 PM 12/09  Trained Spotter

VIRGINIA

...Albemarle County...
   Crozet                 3.0   839 PM 12/09  Trained Spotter
   1 S Boyd Tavern        1.4   600 PM 12/09  Trained Spotter

...Arlington County...
   1 WNW Barcroft         2.3   931 PM 12/09  TRAINED SPOTTER
   Reagan National Airp   2.0   700 PM 12/09  Airport
   1 NNE Westover         1.8   548 PM 12/09  Trained Spotter
   1 S Rosslyn            1.2   715 PM 12/09  Trained Spotter
   2 W Reagan National    1.0   728 PM 12/09  TRAINED SPOTTER

...City of Fairfax...
   1 N Fairfax            2.5  1045 PM 12/09  NWS Employee

...City Of Falls Church County...
   1 W Falls Church       2.2   825 PM 12/09  Trained Spotter

...City of Fredericksburg...
   2 NW Fredericksburg    1.2   800 PM 12/09  TRAINED SPOTTER

...City of Harrisonburg...
   Harrisonburg           2.0   445 PM 12/09  Broadcast Media

...Fairfax County...
   3 N Chantilly          3.6  1030 PM 12/09  NWS Employee
   1 S Centreville        3.5   735 PM 12/09  TRAINED SPOTTER
   2 ENE Herndon          3.2   825 PM 12/09  Trained Spotter
   1 NNE Herndon          3.2   615 PM 12/09  Trained Spotter
   1 NNE Fairfax Statio   3.0   852 PM 12/09  TRAINED SPOTTER
   1 SE Centreville       3.0   922 PM 12/09  TRAINED SPOTTER
   1 SE I66 And I495 In   3.0   900 PM 12/09  NWS Employee
   W Centreville          2.9   915 PM 12/09  Trained Spotter
   1 ENE The I66 And I4   2.4   800 PM 12/09  COCORAHS
   1 SSW Franconia        2.1   900 PM 12/09  Trained Spotter
   1 SSE Dunn Loring      2.0   930 PM 12/09  Trained Spotter
   1 NE The I395 And I4   2.0   826 PM 12/09  TRAINED SPOTTER
   1 SE Langley           1.9   700 PM 12/09  Trained Spotter

...Fauquier County...
   4 SSE Warrenton        3.4   930 PM 12/09  Trained Spotter

...Loudoun County...
   3 WSW Ashburn          4.5   700 PM 12/09  NWS Employee
   Dulles International   4.0   700 PM 12/09  Airport
   2 E Leesburg           3.5   635 PM 12/09  Trained Spotter
   1 ESE Leesburg         3.1   657 PM 12/09  NWS Office
   2 NW Leesburg          3.0   602 PM 12/09  TRAINED SPOTTER
   Purcellville           2.2   647 PM 12/09  NWS Employee
   3 NW Hillsboro         1.8   648 PM 12/09  TRAINED SPOTTER
   1 WNW Lincoln          1.5   430 PM 12/09  Trained Spotter
   1 S Purcellville       1.5   427 PM 12/09  TRAINED SPOTTER

...Orange County...
   Thornhill              2.2   814 PM 12/09  TRAINED SPOTTER
   1 N Flat Run           2.0   450 PM 12/09  Trained Spotter

...Prince William County...
   1 SW Woolsey           5.0   630 PM 12/09  Trained Spotter
   3 N Independent Hill   2.1   801 PM 12/09  Trained Spotter
   1 W Dale City          2.0   828 PM 12/09  TRAINED SPOTTER
   1 E Dale City          1.5   619 PM 12/09  County Emrg Mgmt

...Rockingham County...
   4 ESE Linville         3.3   436 PM 12/09  TRAINED SPOTTER

...Stafford County...
   3 SSE White Oak        2.2   826 PM 12/09  COCORAHS
   1 SSW Spring Valley    2.1  1035 PM 12/09  Trained Spotter
   1 W Ramoth             2.0  1000 PM 12/09  Trained Spotter
   1 SSE Glendie          1.7   829 PM 12/09  TRAINED SPOTTER
   1 ESE Brooke           1.6   820 PM 12/09  Trained Spotter
   5 SSW White Oak        1.6   811 PM 12/09  Trained Spotter
   2 WNW Roseville        1.5   800 PM 12/09  Trained Spotter

...Warren County...
   2 N Linden             3.0   525 PM 12/09  Trained Spotter
   1 ENE Front Royal      2.0   505 PM 12/09  TRAINED SPOTTER

That trained spotter at BWI needs more training. 

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1 minute ago, Bob Chill said:

My tracker said I logged 6.18mi of walking yesterday. I maximized the experience but all it did was leave me longing for more....

That's what is so great about getting a decent early season snow. We have a legitimate 3 months left to get more opposed to that late season snow when you know it's probably it until next year. 

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3 minutes ago, HighStakes said:

That's what is so great about getting a decent early season snow. We have a legitimate 3 months left to get more opposed to that late season snow when you know it's probably it until next year. 

A collective sigh of relief could be heard for hundreds of miles after getting a legit early Dec event under our belts. It appears that the chances of another event this month are well above average too. From way out, the holiday week looks like we're back in business. Later this week might squeeze a light event but not very impressive from how it looks right now.

We need to collectively will a good storm for the 23rd-27th period. If that happens then this Dec will be talked about fondly for many years. 

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29 minutes ago, mappy said:

Caroll county folks did pretty well too ... Sparky beat me ;) 

It was a good event everywhere except for the far western zones. Temps were remarkably cold for early Dec. Half of my accum happened with crappy snow growth and never more than light snow. The afternoon stuff was great. Colorado style snow. Goes down as one of the better widespread early Dec events for sure 

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