Snow Experiment

The National Weather Service says its going to snow on Friday. Here is an excerpt of the forecast:

SNOW IS EXPECTED TO DEVELOP FROM WEST TO EAST BETWEEN 8 AM AND NOON
ON FRIDAY. THE SNOW IS EXPECTED TO BECOME HEAVY DURING THE
AFTERNOON...WITH THE POTENTIAL FOR SNOWFALL RATES OF 1 TO 2 INCHES
PER HOUR. THE FRIDAY EVENING RUSH HOUR MAY BE QUITE MESSY WITH HEAVY
SNOW STILL FALLING. THE SNOW SHOULD TAPER TO SNOW SHOWERS ACROSS THE
INTERIOR DURING THE EVENING HOURS...BUT THE STEADY SNOW WILL LIKELY
CONTINUE ALONG THE COAST WELL INTO THE NIGHT.

AT THIS TIME...IT APPEARS THAT THE HEAVIEST SNOW WILL FALL SOUTH OF
THE MASSACHUSETTS TURNPIKE AND PARTICULARLY ON THE SOUTH COAST. THE
POTENTIAL DOES EXIST FOR SOME LOCATIONS TO SEE UP TO A FOOT OF
SNOW...WITH THE HIGHEST PROBABILITY ALONG THE SOUTH COAST.

So...will this be correct or not?  Will I be cross country skiing on
Saturday or will it be a day to go on a long ride?
Regardless, I don't know of any study which has assessed the percentage of
times weather forecasters are correct when forecasting snow events.
More to follow...