UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121812.upa.cvt Date: 1200Z 18 DEC 25 Searching for X0935... Searching the city database file for: X0935 ... Date:1200Z 18 DEC 25 Station: X0935 WMO ident: 30935 Latitude: 50.37 Longitude: 108.75 ------------------------------------------------------------------------------- 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 50 1 920 -10615 225 3 SFC 912 -9255 -8.3 -12.1 74 3.8 -9.4 225 3 271.9 272.2 269.0 276.5 1.65 3 850 1308 -12.1 -15.4 76 3.3 -12.9 280 21 273.5 273.7 269.5 277.3 1.36 4 781 1949 -17.5 -20.1 80 2.6 -18.0 306 27 274.4 274.5 269.4 277.2 0.99 5 762 2133 -16.7 -19.4 80 2.7 -17.3 314 29 277.2 277.4 271.4 280.3 1.08 6 700 2765 -21.5 -24.8 75 3.3 -22.0 340 35 278.7 278.8 271.6 280.9 0.73 7 681 2967 -23.1 -26.3 75 3.2 -23.6 337 34 279.1 279.2 271.8 281.1 0.66 8 601 3874 -26.5 -29.2 78 2.7 -26.8 324 29 285.3 285.4 275.1 287.1 0.57 9 568 4280 -28.5 -31.6 75 3.1 -28.9 318 26 287.6 287.7 276.2 289.1 0.48 10 500 5180 -34.9 -39.3 64 4.4 -35.2 305 21 290.5 290.5 277.3 291.3 0.25 11 421 6358 -45.3 -51.3 51 6.0 -45.5 278 29 291.8 291.8 277.7 292.1 0.08 12 400 6700 -46.5 -52.5 50 6.0 -46.7 270 31 294.6 294.6 279.0 294.8 0.07 13 324 8076 -53.5 -60.5 42 7.0 -53.6 259 34 303.2 303.2 282.7 303.3 0.03 14 300 8570 -53.9 -61.9 37 8.0 -54.0 255 35 309.4 309.4 285.1 309.5 0.03 15 298 8613 -53.3 -61.3 37 8.0 -53.4 255 36 310.8 310.8 285.7 310.9 0.03 16 273 9176 -56.1 -64.1 36 8.0 -56.2 260 44 314.6 314.6 287.0 314.7 0.03 17 250 9740 -54.7 -63.7 32 9.0 -54.9 260 44 324.7 324.7 290.2 324.9 0.03 18 237 10082 -52.7 -62.7 29 10.0 -52.9 262 45 332.8 332.8 292.5 332.9 0.04 19 200 11170 -54.5 -65.5 25 11.0 -54.7 270 50 346.5 346.5 295.8 346.6 0.03 20 150 13010 -55.5 -68.5 18 13.0 -55.8 265 56 374.5 374.5 301.4 374.6 0.03 21 115 14695 -57.7 -72.7 13 15.0 -58.0 265 46 399.9 399.9 305.2 400.0 0.02 22 114 14750 -54.7 -69.7 14 15.0 -55.1 265 45 406.5 406.5 306.1 406.7 0.03 23 100 15590 -53.9 -69.9 12 16.0 -54.4 265 40 423.6 423.6 308.2 423.7 0.03 24 77 17263 -57.3 -73.3 11 16.0 -57.8 276 43 449.4 449.4 310.8 449.5 0.02 25 70 17870 -55.7 -72.7 10 17.0 -56.3 280 44 465.2 465.2 312.3 465.4 0.03 26 69 17962 -52.7 -70.7 10 18.0 -53.6 279 44 473.6 473.6 313.0 473.8 0.04 27 60 18859 -54.9 -72.9 9 18.0 -55.7 271 44 488.0 488.0 314.1 488.2 0.03 28 57 19189 -52.1 -70.1 10 18.0 -53.2 268 44 501.5 501.6 315.1 501.9 0.05 29 51 19903 -55.3 -73.3 9 18.0 -56.2 261 44 510.3 510.3 315.7 510.5 0.04 30 50 20030 -53.5 -72.5 8 19.0 -54.6 260 44 517.4 517.4 316.1 517.7 0.04 31 47 20430 -50.9 -69.9 9 19.0 -52.4 532.9 532.9 317.1 533.3 0.07 32 44 20858 -52.5 -72.5 7 20.0 -53.9 539.1 539.1 317.5 539.4 0.05 33 43 21008 -48.9 -68.9 8 20.0 -50.9 551.5 551.5 318.2 552.1 0.08 34 40 21482 -49.9 -69.9 8 20.0 -51.8 560.5 560.6 318.7 561.1 0.08 TRP 273 9176 -56.1 -64.1 36 8.0 -56.2 260 44 314.6 314.6 287.0 314.7 0.03 WND Sounding variables and indices 1000-500 mb thick: 5130.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.15 inches Sfc-500 mean rel hum: 75.19 % Est. max temperature: -3.18 C = 26.28 F Sfc-Lift cond lev (LCL): 858.29 mb = -147.83 m = -485.01 ft T: -11.58 C 700-500 lapse rate: 5.55 C/km ThetaE index: 0.07 C Layer 781.0- 762.0 mb Conv cond level (CCL): 803.91 mb = 1729.90 m = 5675.46 ft Mean mixing ratio: 1.40 g/kg Conv temperature: -6.19 C = 20.85 F Cap Strength: 9.62 C Lifted Index: 11.31 C Risk: None Lifted Index @300 mb: 22.90 C Lifted Index @700 mb: 3.38 C Showalter Index: 11.13 C Risk: None Total Totals Index: 42.30 C Risk: None Vertical Totals Index: 22.80 C Cross Totals Index: 19.50 C K Index: 4.10 Risk: None Sweat Index: 63.00 Risk: None Energy Index: 2.90 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 156.47 J/kg Max Up Vert Vel: 17.69 m/s Conv Inhibition (B-): 37479.82 J/kg Cap Strength: 11.20 C Lift Cond Lev (LCL): 815.92 mb = 1617.67 m = 5307.25 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 309 at 6 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 ---------------------------------------------------------- 0 912 -9255 225 3 2.1 2.1 | 157 6 -2.5 5.9 1 850 1308 280 21 20.7 -3.6 | 270 16 16.0 0.1 2 700 2765 340 35 12.0 -32.9 | 346 30 7.3 -29.1 3 500 5180 305 21 17.2 -12.0 | 303 15 12.6 -8.3 4 400 6700 270 31 31.0 -0.0 | 262 27 26.4 3.8 5 300 8570 255 35 33.8 9.1 | 246 32 29.2 12.8 6 273 9176 260 44 43.3 7.6 | 254 40 38.7 11.4 7 250 9740 260 44 43.3 7.6 | 254 40 38.7 11.4 8 200 11170 270 50 50.0 -0.0 | 265 46 45.4 3.8 9 150 13010 265 56 55.8 4.9 | 260 52 51.2 8.7 10 100 15590 265 40 39.8 3.5 | 258 36 35.2 7.3 11 70 17870 280 44 43.3 -7.6 | 276 39 38.7 -3.9 12 50 20030 260 44 43.3 7.6 | 254 40 38.7 11.4 Wind Parameters Mean winds (0-6000m): 279.2 at 8.0 knts Storm direction: 309.2 at 6.0 knts Shear (0-3000m) pos: 0.9 neg: 0.0 tot: 0.9 10-3/s Storm rel Dir Shear (0-3000m): 40.5 deg Storm rel helicity (0-3000m) pos: 9.6 neg: 0.0 tot: 9.6 m^2/s^2 ave: 3.2 10^-3 m/s^2 rel: 0.95 Storm rel vorticity (0-3000m) horiz: 0.9 stream: 0.9 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 30.16 Bulk Shear: 5.19 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 ------------------------------------------------------------------------------- 500 326 3 112 3| 0.9 0.0 0.9| 1.4 0.0 1.4 2.9 0.97| 0.9 0.9 1000 322 4 112 3| 0.9 0.0 0.9| 2.9 0.0 2.9 2.9 0.97| 0.9 0.9 1500 318 4 113 2| 0.9 0.0 0.9| 4.5 0.0 4.5 3.0 0.96| 0.9 0.9 2000 313 4 118 2| 0.9 0.0 0.9| 6.1 0.0 6.1 3.1 0.96| 0.9 0.9 2500 308 5 135 1| 0.9 0.0 0.9| 7.8 0.0 7.8 3.1 0.95| 0.9 0.9 3000 303 5 170 1| 0.9 0.0 0.9| 9.6 0.0 9.6 3.2 0.95| 0.9 0.9 4000 293 6 219 2| 0.9 0.0 0.9| 13.5 0.0 13.5 3.4 0.94| 0.9 0.9 5000 285 7 229 3| 0.9 0.0 0.9| 17.8 0.0 17.8 3.6 0.93| 0.9 0.9 6000 279 8 232 4| 0.9 0.0 0.9| 22.7 0.0 22.7 3.8 0.92| 1.0 0.9 Wrote GIF file: /home/apache/climate/data/raob//X0935/skewt/X0935.skewt.20251218.12.gif