2007-01-21: ALB upper air data from FSL's server at NOAA in Boulder, CO.
Forecast max temp from AVN MOS for Fitchburg MA from nws.noaa.gov.
=== Interpolations from ALB data - temps:deg. F, altitudes:feet MSL ===
  MSL  *TI* Wdir@kts trig  VirT  2.1 degrees/division ("`": Dry Adiabatic)
-----  ---- -------- ---- . ---- -----------------------------------------
12000  21.8  305  54   68 |  4.3 `                        :
11500  21.0            67 |  5.5  `                        :
11000  20.2            65 |  6.8    `                       :
10500  19.6            64 |  8.3      `                      :
10000  19.0            63 | 10.0       `                      :
 9500  18.0  310  47   61 | 10.8         `                    :
 9000  16.6  310  44   59 | 10.9           `                  :
 8500  15.4            57 | 11.3             `                 :
 8000  14.1  320  42   54 | 11.8 (CB: 8000)   `                :
 7500  12.9            52 | 12.3                `              :
 7000  10.8  325  39   48 | 11.2                  `            :
 6500   8.4            44 |  9.4                    `        :
 6000   5.9  330  37   39 |  7.6                     `      :
 5500   3.4            35 |  5.8                       `   :
 5000   0.9            31 |  4.0                         `:
 4500  -0.7  335  34   29 |  3.8 (High: 29)               :`
 4000  -1.6  335  33   27 |  4.8                          : `
 3500  -2.5            25 |  5.8                           :  `
 3000  -3.6  345  28   23 |  6.6                            :   `
 2500  -5.7  345  28   20 |  5.4                           :      `
 2000  -8.3  340  24   15 |  3.5                         :         `
 1500 -10.3            11 |  2.5                         :           `
 1000 -11.2  330  15   10 |  3.7                          :            `
  500 -12.0  330  12    8 |  4.8                          :              `

=== NWS Regional Summary - 430 AM EST SUN JAN 21 2007 ===
A cold and dry high pressure system will build over New England today with
highs reaching into the mid 20s to low 30s. The good news is that wind will
steadily diminish as the day wears on. Mostly sunny skies are expected. Weak
low pressure will move across southern New England late tonight, bringing with
it an increase in clouds. A few snow showers or flurries will be possible late
tonight and Monday as the low passes by. Weak low pressure will once again
develop over or just south of the region on Monday night, bringing with it a
chance of light snow. The best chance at seeing minor accumulations will be
over southeastern Massachusetts. Low pressure will rapidly develop off the
southeast coast of the United States Wednesday night and move northeast
Thursday as a strong gale center. At this time all of our available
information says that this will be a near miss for southern New England in
terms of a significant snowfall as the low tracks well to the southeast of
Nantucket. However, the potential still exists that the storm tracks further
west than progged and delivers a harder blow to the region. Stay tuned.

=== The weather observed at WORCESTER, MA at 07:54 AM EST was: ===
  The skies were clear.  The prevailing visibility was 10 miles.
  Temperature:  9F (-13C)  Dewpoint:  -6F (-21C)  Relative Humidity:  51%
  Winds from the NW (300 degs) at 15 mph.
  Pressure: 1025.6 millibars.  Altimeter:30.22 inches of mercury.
=== ORH Terminal Aerodrome Forecast not available. ===