UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121312.upa.cvt Date: 1200Z 13 DEC 25 Searching for X4172... Searching the city database file for: X4172 ... Date:1200Z 13 DEC 25 Station: X4172 WMO ident: 34172 Latitude: 51.57 Longitude: 46.03 ------------------------------------------------------------------------------- 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 -61 SFC 971 169 -6.1 -8.7 82 2.6 -6.9 330 33 269.3 269.6 267.9 274.9 2.04 2 925 545 -10.7 -13.4 80 2.7 -11.3 340 46 268.4 268.6 266.3 272.4 1.47 3 892 823 -12.9 -16.1 77 3.2 -13.6 349 55 268.9 269.1 266.2 272.3 1.22 4 850 1190 -13.9 -17.2 76 3.3 -14.6 360 66 271.6 271.8 268.0 274.9 1.17 5 812 1537 -14.5 -17.5 78 3.0 -15.2 1 58 274.5 274.7 269.9 277.9 1.19 6 721 2429 -19.5 -22.3 78 2.8 -20.0 4 38 278.5 278.7 271.8 281.2 0.89 7 700 2649 -18.9 -21.7 79 2.8 -19.4 5 33 281.6 281.7 273.7 284.4 0.96 8 694 2713 -17.7 -20.4 79 2.7 -18.3 8 33 283.6 283.8 275.0 286.8 1.09 9 579 4047 -26.3 -29.6 74 3.3 -26.8 67 25 288.6 288.7 276.9 290.4 0.57 10 500 5090 -35.1 -38.4 72 3.3 -35.4 115 19 290.2 290.3 277.2 291.2 0.28 11 405 6518 -46.7 -49.9 70 3.2 -46.8 115 23 293.3 293.3 278.4 293.6 0.10 12 400 6600 -46.5 -49.7 70 3.2 -46.6 115 23 294.6 294.6 279.0 294.9 0.10 13 300 8520 -44.1 -49.1 57 5.0 -44.3 315 19 323.2 323.2 289.9 323.8 0.15 14 250 9740 -43.7 -50.7 46 7.0 -44.1 310 36 341.1 341.1 294.7 341.7 0.15 15 229 10327 -43.5 -51.5 41 8.0 -44.0 312 40 350.1 350.1 296.8 350.7 0.15 16 200 11230 -45.5 -54.5 36 9.0 -46.0 315 46 360.7 360.7 299.0 361.2 0.12 17 150 13130 -49.5 -60.5 26 11.0 -50.0 305 52 384.8 384.8 303.1 385.1 0.07 18 122 14471 -55.1 -66.1 24 11.0 -55.4 315 66 398.0 398.0 305.0 398.2 0.04 19 121 14524 -55.3 -66.3 24 11.0 -55.6 315 65 398.5 398.6 305.0 398.8 0.04 20 100 15740 -56.5 -68.5 21 12.0 -56.9 310 52 418.6 418.6 307.6 418.8 0.04 21 87 16618 -59.3 -71.3 20 12.0 -59.6 306 50 429.9 429.9 308.9 430.1 0.03 22 70 17980 -59.1 -71.1 20 12.0 -59.5 300 46 457.9 458.0 311.6 458.2 0.04 23 50 20080 -61.1 -73.1 19 12.0 -61.5 305 46 499.5 499.5 314.9 499.7 0.04 24 30 23220 -63.1 -75.1 18 12.0 -63.6 315 46 572.6 572.6 319.3 573.0 0.05 25 23 24853 -64.3 -76.3 18 12.0 -64.9 315 51 614.3 614.3 321.3 614.7 0.05 26 20 25710 -63.9 -75.9 18 12.0 -64.6 315 54 640.6 640.6 322.3 641.1 0.06 27 10 30000 -60.3 -73.3 17 13.0 -62.2 290 81 794.5 794.6 327.1 796.3 0.19 28 7.2 32063 -57.1 -70.1 18 13.0 -60.2 885.8 886.1 329.2 890.5 0.42 TRP 405 6518 -46.7 -49.9 70 3.2 -46.8 115 23 293.3 293.3 278.4 293.6 0.10 WND 122 14471 -55.1 -66.1 24 11.0 -55.4 315 66 398.0 398.0 305.0 398.2 0.04 Sounding variables and indices 1000-500 mb thick: 5151.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.21 inches Sfc-500 mean rel hum: 76.57 % Est. max temperature: -1.63 C = 29.06 F Sfc-Lift cond lev (LCL): 931.67 mb = 489.35 m = 1605.45 ft T: -10.02 C 700-500 lapse rate: 6.64 C/km ThetaE index: 2.56 C Layer 925.0- 850.0 mb Conv cond level (CCL): 804.54 mb = 1606.33 m = 5270.03 ft Mean mixing ratio: 1.50 g/kg Conv temperature: -0.62 C = 30.88 F Cap Strength: 13.82 C Lifted Index: 14.33 C Risk: None Lifted Index @300 mb: 35.54 C Lifted Index @700 mb: 9.12 C Showalter Index: 12.87 C Risk: None Total Totals Index: 39.10 C Risk: None Vertical Totals Index: 21.20 C Cross Totals Index: 17.90 C K Index: 1.20 Risk: None Sweat Index: 151.00 Risk: None Energy Index: 3.48 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 4.19 J/kg Max Up Vert Vel: 2.89 m/s Conv Inhibition (B-): 72679.91 J/kg Cap Strength: 14.33 C Lift Cond Lev (LCL): 880.92 mb = 918.14 m = 3012.25 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 45 at 26 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 ---------------------------------------------------------- 0 971 169 330 33 16.5 -28.6 | 287 36 34.8 -10.4 1 925 545 340 46 15.7 -43.2 | 306 42 34.0 -25.0 2 850 1190 360 66 -0.0 -66.0 | 339 51 18.3 -47.8 3 700 2649 5 33 -2.9 -32.9 | 314 21 15.4 -14.7 4 500 5090 115 19 -17.2 8.0 | 182 26 1.1 26.2 5 405 6518 115 23 -20.8 9.7 | 175 28 -2.5 27.9 6 400 6600 115 23 -20.8 9.7 | 175 28 -2.5 27.9 7 300 8520 315 19 13.4 -13.4 | 261 32 31.7 4.8 8 250 9740 310 36 27.6 -23.1 | 276 46 45.9 -4.9 9 200 11230 315 46 32.5 -32.5 | 286 53 50.8 -14.3 10 150 13130 305 52 42.6 -29.8 | 281 62 60.9 -11.6 11 122 14471 315 66 46.7 -46.7 | 294 71 65.0 -28.5 12 100 15740 310 52 39.8 -33.4 | 285 60 58.1 -15.2 13 70 17980 300 46 39.8 -23.0 | 275 58 58.2 -4.8 14 50 20080 305 46 37.7 -26.4 | 278 57 56.0 -8.2 15 30 23220 315 46 32.5 -32.5 | 286 53 50.8 -14.3 16 20 25710 315 54 38.2 -38.2 | 289 60 56.5 -20.0 17 10 30000 290 81 76.1 -27.7 | 276 95 94.4 -9.5 Wind Parameters Mean winds (0-6000m): 15.2 at 34.4 knts Storm direction: 45.2 at 25.8 knts Shear (0-3000m) pos: 5.3 neg: 0.0 tot: 5.3 10-3/s Storm rel Dir Shear (0-3000m): 47.3 deg Storm rel helicity (0-3000m) pos: 481.0 neg: -109.4 tot: 371.7 m^2/s^2 ave: 123.9 10^-3 m/s^2 rel: 0.36 Storm rel vorticity (0-3000m) horiz: 15.0 stream: 5.4 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.05 Bulk Shear: 85.35 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 ------------------------------------------------------------------------------- 500 338 42 301 40| 20.0 0.0 20.0|194.0 0.0 194.0 387.9 0.93| 20.3 18.8 1000 347 50 315 42| 20.6 0.0 20.6|454.0 0.0 454.0 454.0 0.94| 21.5 20.1 1500 352 53 323 43| 11.0 0.0 11.0|461.3 -27.5 433.8 289.2 0.71| 18.0 12.8 2000 354 52 325 41| 6.3 0.0 6.3|461.3 -67.8 393.5 196.7 0.52| 16.4 8.5 2500 356 50 325 38| 4.2 0.0 4.2|461.3-109.4 351.9 140.8 0.36| 15.4 5.5 3000 358 47 325 35| 5.3 0.0 5.3|481.0-109.4 371.7 123.9 0.36| 15.0 5.4 4000 4 42 327 28| 5.8 0.0 5.8|497.0-109.4 387.7 96.9 0.40| 14.2 5.7 5000 7 37 324 23| 5.1 0.0 5.1|542.6-109.4 433.2 86.6 0.42| 13.0 5.4 6000 15 34 328 18| 4.3 0.2 4.5|542.6-127.4 415.3 69.2 0.39| 11.1 4.3 Wrote GIF file: /home/apache/climate/data/raob//X4172/skewt/X4172.skewt.20251213.12.gif