Tuesday, January 25th, 2011

 

 

Event totals: 0.9” Snow/0.04” L.E.

Tuesday 1/25/2011 6:00 A.M. update:  Steady light snow was falling this morning at observation time, and there were some fairly large flakes up to ~12 mm diameter in there.  Almost an inch (0.9”) of snow had fallen by that point.  Surprisingly, when our bus stopped at the
Richmond Park and Ride it didn’t seem like much of anything was falling, nor did I see any cars with new accumulation on them, so I’m not sure how much snow was received there.  It was a similar situation here on the UVM campus in Burlington, although I did see some light accumulations on vehicles.

 

With regard to accumulations at the house, it’s felt like pulling teeth this past week getting to the 100-inch mark for season snowfall, but this event finally put things over the top.  We have definitely fallen way off the strong pace for snowfall that we were setting for the first half of the month.  However, since there haven’t been any huge Januarys in the five years that I’ve been keeping snowfall data here, we just set a January record for snowfall in my data set with 51.2 inches, passing January ‘08-‘09 which finished at 50.9 inches.  There are still almost seven full days left this month, so everything beyond this point will be establishing the new high mark for January snowfall in my records.

 

Checking on average snowfall, my records indicate that we are still ahead of average snowfall pace by 13 days, and behind the pace of the ‘07-‘08 and ‘08-‘09 La Niña seasons by about 10-15 inches.

 

The current clipper system is our 20th snowfall event of the season based on my breakdown of storms, and in that category we are right on pace with last season (20th event in ‘09-‘10 was January 26-27), but we’ve had some really protracted systems with larger accumulations (like the retrograde events) this season.  The snowfall breakdown is in my signature, the next event (#21) starts a second column in there, so that’s another good benchmark to have reached.

 

Some details from the 6:00 A.M. observations are below:

New Snow: 0.9 inches
New Liquid: 0.04 inches
Snow/Water Ratio: 10.0
Snow Density: 22.5%
Temperature: 3.2 F
Sky: Light Snow (2-12 mm flakes)
Snow at the stake: 18.0 inches

 

 

Event totals: 1.2” Snow/0.05” L.E.

Tuesday 1/25/2011 6:00 P.M. update:  We picked up 0.3 inches of snow from today’s activity, with light snow falling at the 6:00 P.M. observation time.  The snow has tapered off to just flurries at this point.

 

Some details from the 6:00 P.M. observations are below:

New Snow: 0.3 inches
New Liquid: 0.01 inches
Snow/Water Ratio: 30.0
Snow Density: 3.3%
Temperature: 18.7 F
Sky: Light Snow (2 mm flakes)
Snow at the stake: 18.0 inches

 

 

Wednesday, January 26th, 2011

 

 

Event totals: 1.3” Snow/0.05” L.E.

Wednesday 1/26/2011 6:00 A.M. update:  Overnight lingering snowfall activity produced another tenth of an inch of snow on the board, which looked like graupel.  It felt quite warm out there, I thought it had to be close to the freezing mark, but it turned out to be 19 F.  I’d say there’s been a bit of acclimatization going on.

 

Some details from the 6:00 A.M. observations are below:

New Snow: 0.1 inches
New Liquid: Trace
Temperature: 19.0 F
Sky: Cloudy, a few flurries around
Snow at the stake: 17.5 inches

 

 

Thursday, January 27th, 2011

 

 

Thursday 1/27/2011 6:00 A.M. update:  I found a few flakes on the snowboard this morning, some reaching up to a couple tenths of an inch in height.  However, they were so scattered that it seemed like they could be counted on one hand, so in my report it went in as a trace of snow and trace of liquid.  The temperature was 16.0 F with partly cloudy skies, and snow at the stake was 17.0 inches.

 

Based on the BTV NWS discussion, the snowfall activity up here may have been associated not with the coastal storm, but with a mid level shortwave and a surface boundary.  Looking ahead, a series of small disturbances will be the focus for today through the weekend.  Any snow accumulations are expected to be light, especially in the valleys, although the discussion does indicate that several inches of snow may accumulate in the mountains.

 

 

I’ve been meaning to add a post to the ’10-’11 totals thread, since season accumulation hit the 100” benchmark the other day, but I just had to find the time to crunch a few snowfall numbers.  Season snowfall is 101.0 inches as of 6:00 A.M. 27JAN2011; I’ve added some related bullet points below based on my aggregate snowfall data:

-Snowfall has slowed down recently, with just 3.3 inches in the past 7 days, however, the season total is still running about 11 days ahead of average.

-Average snowfall to this point in the season is 87.5 inches, so the current season’s snowfall is ahead by 13.5 inches.

-This season is currently running behind the ‘07-‘08 La Niña season by 10.2 inches, and behind the ‘08-‘09 La Niña season by 14.6 inches.

-If snowfall were to run at average for the rest of the season from this point on, snowfall would end up just shy of 180 inches.

Individual storm totals are located in the signature below.