2007-03-30: 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  13.4  325  36   84 | 20.3 `              :
11500  13.0            83 | 22.4  `              :
11000  12.7  335  42   83 | 24.4    `(CB:11300)    :
10500  12.3            82 | 26.4      `             :
10000  11.8  330  33   81 | 28.2       `             :
 9500  11.3            80 | 29.9         `            :
 9000   9.5  330  31   77 | 29.4           `          :
 8500   7.6            74 | 28.6             `       :
 8000   6.5  330  33   72 | 29.3              `       :
 7500   6.0            71 | 31.0                `      :
 7000   5.4  330  33   70 | 32.7                  `     :
 6500   4.3            68 | 33.4                    `    :
 6000   2.2  335  30   64 | 32.2                     `  :
 5500   1.3            62 | 33.2                       ` :
 5000   0.5            61 | 34.6                         :
 4500  -0.6  335  26   60 | 35.1 (High: 60)               :`
 4000  -1.9  335  23   58 | 35.6                          : `
 3500  -3.1            55 | 36.1                          :   `
 3000  -4.3  325  18   53 | 36.5                           :    `
 2500  -5.5  330  17   51 | 37.0                           :      `
 2000  -6.7  335  16   49 | 37.6                           :       `
 1500  -7.9            47 | 38.2                            :        `
 1000 -10.9  310  16   41 | 35.4                          :            `
  500 -12.8  310   7   38 | 34.7                         :               `

=== NWS Regional Summary - 440 AM EST FRI MAR 30 2007 ===
Temperatures at dawn, under mostly clear skies, ranged from the 20s in some of
the countryside where winds were light, to the 30s elsewhere. A beautiful
partly to mostly sunny day is coming up and temperatures will be 5 to 10°
warmer than yesterday, generally within a few degrees of 60. Gusty west to
northwest winds will develop again this afternoon but not be quite as strong
as the past two days. Tonight will be clear with lows in the 20s to lower 30s.
Saturday will again show plenty of brilliant sunshine but be 5 to 10° cooler
than today. Forecasts highs are generally expected to be in the upper 40s to
mid 50s. Sunday will start out sunny but clouds will increase during the
afternoon and showers may arrive in the Connecticut river valley late in the
day. It will reach the 50s everywhere except within a couple of miles of the
coast where cooler breezes occur all day. A dry cold front will cross southern
New England this afternoon accompanied by some cloudiness. Canadian high
pressure will build into New England tomorrow and then slide offshore Sunday.
A warm front and a weak wave of low pressure will bring us some rain Sunday
night.

=== The weather observed at WORCESTER, MA at 09:54 AM EST was: ===
  The skies were mostly clear.  The prevailing visibility was 10 miles.
  Temperature: 51F ( 11C)  Dewpoint:   3F (-16C)  Relative Humidity:  14%
  Winds from the NW (310 degs) at 14 mph.
  Pressure: 1024.1 millibars.  Altimeter:30.22 inches of mercury.

=== ORH Terminal Aerodrome Forecast issued 30-Mar-2007 06:26 EST ===
 7am: 29011kt P6sm Sct100
 9am: 30010g20kt P6sm Sct100;  Tempo 12-2pm: Bkn100
 2pm: 30013g24kt P6sm Sct250
 6pm: 31012g22kt P6sm Sct030
11pm: 33009kt P6sm Skc