UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025102012.upa.cvt Date: 1200Z 20 OCT 25 Searching for X1538... Searching the city database file for: X1538 ... Date:1200Z 20 OCT 25 Station: X1538 WMO ident: 31538 Latitude: 50.07 Longitude: 132.13 ------------------------------------------------------------------------------- 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 ------------------------------------------------------------------------------- 0 1000 196 SFC 981 349 -1.5 -10.5 50 9.0 -4.3 290 3 273.1 273.4 269.9 278.0 1.75 2 925 813 -5.5 -14.5 49 9.0 -7.9 305 19 273.7 273.9 269.6 277.5 1.34 3 914 907 -6.9 -14.9 53 8.0 -8.9 298 19 273.2 273.4 269.2 276.9 1.31 4 850 1470 -10.5 -16.5 61 6.0 -11.9 255 17 275.1 275.4 270.4 278.7 1.24 5 821 1736 -12.7 -17.5 67 4.8 -13.8 275.6 275.8 270.5 279.0 1.18 6 795 1981 -13.3 -19.3 61 6.0 -14.6 277.5 277.6 271.4 280.5 1.04 TRP WND Sounding variables and indices Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.10 inches Sfc-500 mean rel hum: 56.92 % Est. max temperature: 0.76 C = 33.37 F Sfc-Lift cond lev (LCL): 851.44 mb = 1456.85 m = 4779.62 ft T: -10.42 C ThetaE index: 1.12 C Layer 925.0- 850.0 mb Conv cond level (CCL): None Cap Strength: 3.38 C Parcel Indices Parcel: using 100 mb layer CAPE (B+): 1.86 J/kg Max Up Vert Vel: 1.93 m/s Conv Inhibition (B-): 45.07 J/kg Cap Strength: 2.89 C Lift Cond Lev (LCL): 814.17 mb = 1799.63 m = 5904.22 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 318 at 11 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 ---------------------------------------------------------- 0 981 349 290 3 2.8 -1.0 | 148 9 -4.7 7.4 1 925 813 305 19 15.6 -10.9 | 287 8 8.0 -2.4 2 850 1470 255 17 16.4 4.4 | 215 16 8.9 12.9 Wind Parameters Mean winds (0-6000m): 288.3 at 15.1 knts Storm direction: 318.3 at 11.3 knts Shear (0-3000m) pos: 8.2 neg: 6.1 tot: 14.3 10-3/s Storm rel Dir Shear (0-3000m): 67.0 deg Storm rel helicity (0-3000m) pos: 17.0 neg: -38.5 tot: -21.6 m^2/s^2 ave: -19.6 10^-3 m/s^2 rel: -0.01 Storm rel vorticity (0-3000m) horiz: 14.4 stream: -0.1 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.58 Bulk Shear: 3.22 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 ------------------------------------------------------------------------------- 500 303 12 225 3| 16.4 0.0 16.4| 17.0 0.0 17.0 33.9 0.76| 16.9 12.8 1000 292 15 245 7| 8.2 6.1 14.3| 17.0 -31.0 -14.1 -14.1 0.06| 14.7 0.9 1500 NO DATA | 8.2 6.1 14.3| | 2000 NO DATA | 8.2 6.1 14.3| | 2500 NO DATA | 8.2 6.1 14.3| | 3000 NO DATA | 8.2 6.1 14.3| | 4000 NO DATA | 8.2 6.1 14.3| | 5000 NO DATA | 8.2 6.1 14.3| | 6000 NO DATA | 8.2 6.1 14.3| | Wrote GIF file: /home/apache/climate/data/raob//X1538/skewt/X1538.skewt.20251020.12.gif