UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120712.upa.cvt Date: 1200Z 7 DEC 25 Searching for CYZT... Searching the city database file for: CYZT ... Date:1200Z 7 DEC 25 Station: CYZT WMO ident: 71109 Latitude: 50.68 Longitude: -127.37 Elevation: 17.00 ------------------------------------------------------------------------------- LEV PRES HGHT TEMP DEWP RH DD WETB DIR SPD THETA THE-V THE-W THE-E W mb m C C % C C deg knt K K K K g/kg ------------------------------------------------------------------------------- SFC 1006 17 7.4 6.3 93 1.1 6.8 140 8 280.1 281.1 279.7 296.4 5.95 1 1005 25 7.4 6.7 95 0.7 7.1 138 8 280.2 281.2 280.0 296.9 6.13 2 1000 63 7.2 5.9 91 1.3 6.5 130 7 280.4 281.3 279.7 296.3 5.82 3 966 347 6.6 4.0 83 2.6 5.3 144 16 282.5 283.4 280.1 297.2 5.27 4 934 623 4.8 2.6 86 2.2 3.8 197 18 283.4 284.3 280.1 297.2 4.94 5 932 641 4.6 1.7 81 2.9 3.2 193 21 283.4 284.2 279.7 296.4 4.64 6 925 702 4.0 2.2 88 1.8 3.1 180 30 283.4 284.2 280.0 296.9 4.85 7 885 1059 0.6 0.4 99 0.2 0.5 215 22 283.5 284.3 279.6 296.0 4.45 8 868 1214 0.4 0.2 99 0.2 0.3 220 25 284.9 285.6 280.2 297.5 4.47 9 817 1697 -1.7 -1.7 100 0.0 -1.7 224 27 287.6 288.3 281.1 299.4 4.13 TRP WND Sounding variables and indices Freezing level: 858.29 mb = 1306.19 m = 4285.34 ft Wetbulb zero: 859.99 mb = 1288.09 m = 4225.97 ft Precipitable water: 0.36 inches Sfc-500 mean rel hum: 92.73 % Est. max temperature: 12.82 C = 55.08 F Sfc-Lift cond lev (LCL): 989.32 mb = 151.23 m = 496.17 ft T: 7.01 C ThetaE index: 0.98 C Layer 885.0- 868.0 mb Conv cond level (CCL): 912.97 mb = 807.63 m = 2649.67 ft Mean mixing ratio: 5.20 g/kg Conv temperature: 10.76 C = 51.37 F Cap Strength: 1.33 C Parcel Indices Parcel: using 100 mb layer CAPE (B+): 14.62 J/kg Max Up Vert Vel: 5.41 m/s Conv Inhibition (B-): 11.76 J/kg Cap Strength: 1.14 C Lift Cond Lev (LCL): 926.54 mb = 688.49 m = 2258.80 ft Lev Free Conv (LFC): 891.54 mb = 999.30 m = 3278.49 ft Equ Level (EL): 871.54 mb = 1181.54 m = 3876.40 ft B at Equ Level: 13.87 J/kg Wind level data Storm motion: 233 at 16 knt ---------------------------------------------------------- TRUE/GROUND REL | STORM REL LEV P H DIR SPD U V | DIR SPD U V mb m knt m/s | knt m/s ---------------------------------------------------------- 0 1006 17 140 8 -5.1 6.1 | 79 18 -17.7 -3.3 1 1000 63 130 7 -5.4 4.5 | 75 19 -17.9 -5.0 2 971 305 135 16 -11.3 11.3 | 94 24 -23.8 1.9 3 935 610 200 16 5.5 15.0 | 128 9 -7.1 5.6 4 925 702 180 30 0.0 30.0 | 149 24 -12.5 20.5 5 901 914 210 19 9.5 16.5 | 157 8 -3.0 7.0 6 867 1219 220 25 16.1 19.2 | 200 10 3.5 9.7 7 804 1829 225 27 19.1 19.1 | 214 12 6.6 9.6 Wind Parameters Mean winds (0-6000m): 203.0 at 20.9 knts Storm direction: 233.0 at 15.7 knts Shear (0-3000m) pos: 9.0 neg: 0.0 tot: 9.0 10-3/s Storm rel Dir Shear (0-3000m): 134.9 deg Storm rel helicity (0-3000m) pos: 131.5 neg: 0.0 tot: 131.5 m^2/s^2 ave: 73.0 10^-3 m/s^2 rel: 0.50 Storm rel vorticity (0-3000m) horiz: 18.7 stream: 9.4 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.35 Bulk Shear: 41.49 m/s Storm Parameters ------------------------------------------------------------------------------- Depth Mean Inflow| Shear | Helicity | Vorticity AGL Dir Spd Dir Spd| Pos Neg Tot| Pos Neg Tot Ave Rel | Hor Strm m knt knt| 10^-3/s | m^2/s^2 m/s^2 | 10^-3/s ------------------------------------------------------------------------------- 500 146 13 94 20| 11.5 0.0 11.5| 71.3 0.0 71.3 142.5 0.65| 21.3 13.8 1000 177 17 120 16| 10.4 0.0 10.4|113.6 0.0 113.6 113.6 0.45| 29.7 13.3 1500 196 20 143 12| 9.0 0.0 9.0|127.5 0.0 127.5 85.0 0.49| 21.9 10.8 2000 NO DATA | 9.0 0.0 9.0| | 2500 NO DATA | 9.0 0.0 9.0| | 3000 NO DATA | 9.0 0.0 9.0| | 4000 NO DATA | 9.0 0.0 9.0| | 5000 NO DATA | 9.0 0.0 9.0| | 6000 NO DATA | 9.0 0.0 9.0| | Wrote GIF file: /home/apache/climate/data/raob//CYZT/skewt/CYZT.skewt.20251207.12.gif