2002-02-13: ALB upper air data from David J. Knight's server at SUNY Albany === Interpolations from ALB data - temps:deg. F, altitudes:feet MSL === MSL *TI* Wdir@kts trig VirT 2.1 degrees/division ("`": Dry Adiabatic) ----- ---- -------- ---- . ---- ----------------------------------------- 12000 13.8 270 69 55 | -7.1 ` : 11500 12.1 52 | -7.4 ` : 11000 9.5 47 | -9.5 ` : 10500 7.0 42 |-11.3 ` : 10000 6.8 42 | -9.0 ` : 9500 6.6 270 54 42 | -6.7 ` : 9000 6.3 270 52 41 | -4.6 ` : 8500 5.9 41 | -2.5 ` : 8000 5.5 270 46 40 | -0.5 ` : 7500 5.2 39 | 1.5 ` : 7000 4.8 270 39 39 | 3.5 ` : 6500 4.4 38 | 5.4 ` : 6000 3.9 275 30 37 | 7.2 ` : 5500 3.4 36 | 8.9 ` : 5000 2.9 280 26 35 | 10.7 ` : 4500 2.4 285 30 34 | 12.5 ` : 4000 1.8 290 32 33 | 14.1 ` : 3500 1.2 32 | 15.7 `: 3000 0.6 305 33 31 | 17.3 : 2500 0.5 305 32 31 | 19.8 : 2000 0.3 305 31 30 | 22.1 (High: 30) `: 1500 0.1 30 | 24.4 (CB: 1800) : 1000 -0.1 305 29 30 | 26.6 : 500 -0.4 320 12 30 | 28.9 :` === NWS Regional Summary - 755 AM EST WED FEB 13 2002 === An arctic front was moving through the region this morning from west to east. There were period of clouds with scattered flurries across the interior, with mostly clear skies to the southeast. Behind the front, cold air will then surge into the area this afternoon with temperatures plummeting through the 30s and into the 20s. The cold temperatures will combine with a gusty west to northwest wind to create wind chill values in the teens and single digits. High pressure will then build into the region tonight with winds diminishing. The high will shift south of New England Thursday, allowing a gradual warming trend to develop. === The weather observed at WORCESTER at 07:54 AM EST was: === The skies were cloudy. The prevailing visibility was 10 miles. Temperature: 31F ( -1C) Dewpoint: 17F ( -8C) Relative Humidity: 56% Winds from the W (260 degs) at 14 mph. Pressure: 1010.8 millibars. Altimeter:29.82 inches of mercury. === ORH Terminal Aerodrome Forecast issued 13-Feb-2002 07:59 EST === 8am: 25010kt P6sm Sct035 Sct080; Tempo 8-10am: 5sm -shsn Bkn035 10am: 29018g28kt P6sm Sct040 6pm: 30013g21kt P6sm Skc; Becmg 1-2am: 28012kt