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.

  Final thoughts for tomorrow

Posted: 12/16/2008 09:41:00 AM

SREF ensembles are a little drier, and the NAM is slowly returning to reality. Still thinking 3 to 5 inches for a total. There is a good consensus for 1.5 to 2 inches by 7am, again, with peak snowfall rates between 5am and 8am. This could require a delay tomorrow morning. Snow will continue through the morning, but with dendritic growth lacking, snowfall rates will be light. An addition 1 to 2 inches will be possible between 7am and 10am with another .5 to 1" after 10am. After 1pm, mid level warmth (850-700mb thickness around 1550m) will cause snow to mix with and change to light sleet and freezing rain. A light glaze of ice accretion is possible, but likely nothing measurable, and precipitation should shut off by 4pm.

|posted by Sam Lillo @ 12/16/2008 09:41:00 AM
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