2008-02-29: 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 2.1 degrees/division ("`": Dry Adiabatic) ----- ---- -------- ---- . ---- ----------------------------------------- 12000 15.4 290 39 55 | -9.5 ` : 11500 14.6 53 | -8.2 ` : 11000 14.3 53 | -6.0 `(CB:11300) : 10500 14.3 53 | -3.4 ` : 10000 11.0 47 | -6.6 ` : 9500 10.4 290 29 46 | -5.0 ` : 9000 9.8 295 27 45 | -3.4 ` : 8500 9.2 44 | -1.8 ` : 8000 8.6 285 25 42 | -0.2 ` : 7500 8.0 41 | 1.4 ` : 7000 7.4 285 24 40 | 2.9 ` : 6500 6.8 39 | 4.5 ` : 6000 5.3 285 21 36 | 4.5 ` : 5500 3.5 33 | 3.9 ` : 5000 1.7 30 | 3.3 ` : 4500 -0.3 295 17 27 | 2.5 (High: 27) :` 4000 -2.1 325 16 24 | 1.9 : ` 3500 -5.9 17 | -2.3 : ` 3000 -6.3 325 13 17 | -0.4 : ` 2500 -6.8 325 13 16 | 1.5 : ` 2000 -7.3 330 11 15 | 3.1 : ` 1500 -7.9 14 | 4.7 : ` 1000 -8.8 310 8 12 | 5.9 : ` 500 -10.3 310 4 9 | 5.8 : ` === NWS Regional Summary - 758 AM EST FRI FEB 29 2008 === During the overnight with clear skies a few areas with deep snow pack had temperatures plummet to below zero. Marlow New Hampshire dropped to minus 16. Today after a sunny start clouds will be on the increase as low pressure from the Great Lakes moves towards the region. Highs Friday will range from the mid 20s to mid 30s. Tonight snow quickly spreads across southern New England this evening. Southeast sections will see snow changing to rain. Areas north of the Mass Pike, and west of rte 495 are likely to see 6" or more by late morning Saturday. Lows Friday night will range from the lower 20s to mid 30s. Any precipitation will come to an end by noon of Saturday as low pressure moves off to the northeast. Highs Saturday will range from the mid 30s to mid 40s. High pressure returns on Sunday with sunny skies and seasonable temperatures back up into upper 30s. === 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 N (360 degs) at 6 mph. Pressure: 1033.6 millibars. Altimeter:30.45 inches of mercury. === ORH Terminal Aerodrome Forecast issued 29-Feb-2008 06:46 EST === 7am: 31005kt P6sm Skc 12pm: 23005kt P6sm Sct250 3pm: 19006kt P6sm Bkn200 6pm: 16006kt P6sm Ovc090 8pm: 16006kt P6sm Ovc050 10pm: 16006kt 2sm -sn Br Ovc015 0am: 15007kt 1sm -sn Br Ovc008 4am: 14010g19kt 1/2sm Sn Fzfg Vv005