2008-01-29: 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 2.0 degrees/division ("`": Dry Adiabatic) ----- ---- -------- ---- . ---- ----------------------------------------- 12000 27.3 260 27 89 | 25.4 ` : 11500 26.0 87 | 25.7 ` : 11000 24.6 260 31 84 | 25.9 ` : 10500 23.1 82 | 25.9 ` : 10000 21.6 79 | 25.9 ` : 9500 20.2 255 21 76 | 26.0 ` : 9000 19.7 255 16 75 | 27.8 ` : 8500 19.4 75 | 29.9 ` : 8000 19.1 255 16 74 | 32.0 ` : 7500 18.6 73 | 33.8 ` : 7000 17.6 260 16 72 | 34.6 ` : 6500 16.5 70 | 35.5 ` : 6000 15.6 260 17 68 | 36.4 (CB: 6300) ` : 5500 14.6 66 | 37.3 ` : 5000 13.6 64 | 38.2 ` : 4500 12.6 265 20 63 | 39.1 ` : 4000 11.9 260 20 61 | 40.4 ` : 3500 10.6 59 | 40.8 ` : 3000 8.7 255 13 56 | 40.1 ` : 2500 6.9 52 | 39.4 ` : 2000 3.6 210 2 46 | 36.3 ` : 1500 -2.3 37 | 28.3 (High: 40) : ` 1000 -6.1 275 1 30 | 24.0 : ` 500 -9.5 24 | 20.7 : ` === NWS Regional Synopsis - 353 AM EST TUE JAN 29 2008 === Weak high pressure will prevail for today. A strong cold front will approach from the west later tonight then move offshore Wednesday afternoon. High pressure builds into the region Wednesday night and crests overhead Thursday. Low pressure will develop over the Tennessee valley Thursday night and pass close to our region Friday and Friday night bringing a high chance of precipitation. === The weather observed at WORCESTER, MA at 07:54 AM EST was: === The skies were clear. The prevailing visibility was 10 miles. Temperature: 25F ( -4C) Dewpoint: 10F (-12C) Relative Humidity: 54% Winds from the NW (310 degs) at 10 mph. Pressure: 1010.5 millibars. Altimeter:29.80 inches of mercury. === ORH Terminal Aerodrome Forecast issued 29-Jan-2008 06:23 EST === 7am: 27009kt P6sm Bkn250 1pm: 24008kt P6sm Bkn100 6pm: 23008kt P6sm -ra Bkn040 11pm: 20009kt 5sm -ra Br Ovc025 3am: 19011kt 4sm -ra Br Ovc008