2008-03-15: ALB upper air data from Kevin Ford's server at Texas A&M. 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 16.6 280 24 71 | 7.9 ` : 11500 15.3 68 | 8.2 ` : 11000 14.6 295 20 67 | 9.6 ` : 10500 13.9 66 | 11.1 ` : 10000 13.3 320 8 65 | 12.6 ` : 9500 12.6 64 | 14.0 ` : 9000 11.7 360 10 62 | 15.2 ` : 8500 11.1 61 | 16.6 ` : 8000 10.4 355 14 60 | 18.0 ` : 7500 9.7 58 | 19.5 ` : 7000 9.0 340 16 57 | 20.9 ` : 6500 8.3 56 | 22.3 ` : 6000 7.6 325 10 55 | 23.7 ` : 5500 6.7 53 | 24.8 ` : 5000 5.8 95 4 51 | 25.9 ` : 4500 5.0 50 | 27.0 ` : 4000 4.1 75 10 48 | 28.1 ` : 3500 3.2 47 | 29.2 ` : 3000 2.3 85 10 45 | 30.2 ` : 2500 1.4 43 | 31.3 `: 2000 0.5 45 5 42 | 32.4 `: 1500 -0.2 41 | 33.7 (High: 41, CB: 1700) : 1000 -1.0 20 15 40 | 35.0 :` 500 -1.7 39 | 36.4 : ` === NWS Regional Summary - 645 AM EST SAT MAR 15 2008 === Precipitation will gradually tapper off this morning. Skies will become mostly sunny by early afternoon. Todays highs will be about 10° cooler than yesterday only in the low 40s. Tonight clouds will be on the increase with a chance of light snow showers after midnight. Lows will range from the mid 20s to low 30s. Sunday will once again be seasonable cool with a chance of morning snow showers. The Cape and islands will have the best chance of snow showers. By afternoon partial sunshine should develop with highs once again only in the lower 40s. Low pressure continues to pass south and east of Cape Cod this morning. Tonight the next low pressure system will track off the mid Atlantic coast from the lower Ohio valley. This low will strengthen rapidly but track far enough to the south the the northeast will escape with light snow showers === The weather observed at WORCESTER, MA at 06:54 AM EST was: === The weather reported was moderate snow and fog. The skies were cloudy. The prevailing visibility was .5 miles. Temperature: 32F ( 0C) Dewpoint: 30F ( -1C) Relative Humidity: 92% Winds from the NE (030 degs) at 14 mph. Pressure: 1004.3 millibars. Altimeter:29.64 inches of mercury. === ORH Terminal Aerodrome Forecast issued 15-Mar-2008 08:32 EDT === 9am: 03011g18kt 3/4sm -sn Br Ovc003 10am: 36010kt 5sm -sn Br Ovc005 11am: 36010kt 5sm -rasn Br Ovc015 3pm: 35012kt P6sm Sct250 9pm: 35005kt P6sm Ovc050