UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120412.upa.cvt Date: 1200Z 4 DEC 25 Searching for X1538... Searching the city database file for: X1538 ... Date:1200Z 4 DEC 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 112 SFC 968 351 -22.7 -26.9 69 4.2 -23.1 360 1 252.8 252.9 252.1 254.0 0.44 2 963 389 -20.9 -25.7 65 4.8 -21.5 352 2 255.0 255.1 254.1 256.3 0.49 3 925 686 -22.9 -27.6 65 4.7 -23.4 290 7 255.9 256.0 254.7 257.1 0.43 4 907 830 -23.7 -28.3 66 4.6 -24.2 290 12 256.5 256.6 255.2 257.7 0.41 5 896 920 -20.3 -24.7 68 4.4 -20.9 290 15 260.9 261.0 259.1 262.5 0.58 6 850 1313 -16.7 -22.7 60 6.0 -17.7 290 27 268.7 268.8 265.1 270.7 0.73 7 830 1492 -15.5 -22.5 55 7.0 -16.7 292 28 271.8 271.9 267.3 273.9 0.76 8 776 1997 -17.1 -27.1 42 10.0 -18.6 299 30 275.3 275.4 269.2 276.9 0.53 9 767 2085 -17.5 -27.5 41 10.0 -19.0 301 30 275.8 275.9 269.5 277.4 0.52 10 701 2751 -22.9 -30.9 48 8.0 -23.9 310 33 277.0 277.1 270.1 278.3 0.41 11 700 2761 -22.9 -30.9 48 8.0 -23.9 310 33 277.1 277.2 270.2 278.4 0.42 12 569 4250 -31.9 -38.9 50 7.0 -32.4 313 34 283.5 283.5 273.6 284.2 0.23 13 550 4489 -34.7 -42.7 44 8.0 -35.2 314 34 282.9 282.9 273.1 283.4 0.16 14 500 5150 -37.1 -45.1 43 8.0 -37.5 315 35 287.8 287.8 275.7 288.3 0.14 15 488 5318 -37.9 -45.9 43 8.0 -38.3 288.8 288.9 276.3 289.3 0.13 16 477 5474 -39.3 -47.3 42 8.0 -39.6 289.0 289.0 276.3 289.4 0.11 TRP WND Sounding variables and indices 1000-500 mb thick: 5038.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.08 inches Sfc-500 mean rel hum: 50.74 % Est. max temperature: -3.15 C = 26.32 F Sfc-Lift cond lev (LCL): 902.71 mb = 864.78 m = 2837.18 ft T: -22.38 C 700-500 lapse rate: 5.94 C/km Conv cond level (CCL): 583.46 mb = 4069.92 m = 13352.59 ft Mean mixing ratio: 0.50 g/kg Conv temperature: 6.95 C = 44.50 F Cap Strength: 20.52 C Lifted Index: 23.23 C Risk: None Lifted Index @700 mb: 16.34 C Showalter Index: 14.21 C Risk: None Total Totals Index: 34.80 C Risk: None Vertical Totals Index: 20.40 C Cross Totals Index: 14.40 C K Index: -10.30 Risk: None Sweat Index: 89.00 Risk: None Energy Index: 3.70 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 47.72 J/kg Max Up Vert Vel: 9.77 m/s Conv Inhibition (B-): 3091.31 J/kg Cap Strength: 22.58 C Lift Cond Lev (LCL): 849.34 mb = 1318.83 m = 4326.80 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 337 at 21 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 ---------------------------------------------------------- 0 968 351 360 1 -0.0 -1.0 | 156 21 -8.3 18.8 1 925 686 290 7 6.6 -2.4 | 174 17 -1.7 17.4 2 850 1313 290 27 25.4 -9.2 | 238 20 17.1 10.5 3 700 2761 310 33 25.3 -21.2 | 275 17 17.0 -1.4 4 500 5150 315 35 24.7 -24.7 | 287 17 16.4 -5.0 Wind Parameters Mean winds (0-6000m): 307.2 at 28.6 knts Storm direction: 337.2 at 21.4 knts Shear (0-3000m) pos: 3.9 neg: 2.1 tot: 5.9 10-3/s Storm rel Dir Shear (0-3000m): 121.7 deg Storm rel helicity (0-3000m) pos: 168.8 neg: 0.0 tot: 168.8 m^2/s^2 ave: 56.3 10^-3 m/s^2 rel: 0.91 Storm rel vorticity (0-3000m) horiz: 6.9 stream: 6.3 10^-3/s Energy-Hel index: 0.04 Bulk Rich Number: 0.68 Bulk Shear: 69.90 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 ------------------------------------------------------------------------------- 500 293 6 170 18| 0.0 12.3 12.3| 47.1 0.0 47.1 94.1 0.82| 13.2 10.8 1000 291 13 194 16| 7.7 6.2 13.8|109.7 0.0 109.7 109.7 0.88| 14.3 12.6 1500 292 18 212 15| 5.9 4.1 10.0|129.1 0.0 129.1 86.1 0.89| 10.9 9.7 2000 296 21 225 15| 5.1 3.1 8.1|148.6 0.0 148.6 74.3 0.90| 9.2 8.3 2500 299 23 235 15| 4.5 2.5 7.0|165.4 0.0 165.4 66.2 0.91| 8.2 7.4 3000 302 25 242 14| 3.9 2.1 5.9|168.8 0.0 168.8 56.3 0.91| 6.9 6.3 4000 305 27 254 15| 3.0 1.5 4.6|175.5 0.0 175.5 43.9 0.91| 5.4 4.9 5000 NO DATA | 2.8 1.4 4.1| | 6000 NO DATA | 2.8 1.4 4.1| | Wrote GIF file: /home/apache/climate/data/raob//X1538/skewt/X1538.skewt.20251204.12.gif