Updated at 10:55EDT 4/15

Short term Winter threat


Fri-Sun 4/16-18
40% chance of a winter event
10% chance of a
severe winter event

Long term Winter threat


None
0% chance of a winter event
0% chance of a
severe winter event

Snowday probabilities1


Friday 4/16
20% chance of a delay
0% chance of an early dismissal
0% chance of a cancellation

Snowday probabilities2


None
0% chance of a delay
0% chance of an early dismissal
0% chance of a cancellation
Snowday probabilities are made by Sam Lillo, for SAU29 in Keene. These percentages should not be relied on outside of Cheshire County, NH. In addition, in Cheshire County, please do all school work on time depsite the issued forecast.

  Precipitation moving north

Posted: 1/17/2010 04:04:00 PM

A mix of snow, sleet, and rain has overrun much of Connecticut and will be entering MA shortly. Radar echoes are starting to nudge over southern NH.

The precipitation is a bit ahead of schedule, and seeing the dry slot closing in is a little intimidating, but we will likely see the radar fill in to the south as low pressure intensifies from NJ to Long Island.

The 18z NAM and 15 SREF are robust with QPF and snow over southern NH into northern MA. The NAM spreads 1+" QPF west to I91, with an area of 1.5+" to our east. The 15z SREF has 50-60% probabilities for 8+" over SNH and even a 30-40% spot for 12+" over Hillsborough County. If not verbatim, definitely lending support to a 12 hour period of heavy snow.

Snow should be wrapping up by late morning Monday.

Snowfall forecast for Keene,NH (through Mon): 6" to 8"
for elevations >1000ft: 8" to 11"

|posted by Sam Lillo @ 1/17/2010 04:04:00 PM
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