UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120200.upa.cvt Date: 0000Z 2 DEC 25 Searching for X4172... Searching the city database file for: X4172 ... Date:0000Z 2 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 ------------------------------------------------------------------------------- SFC 1008 167 -0.5 -2.8 84 2.3 -1.4 110 3 272.0 272.5 271.4 280.4 3.08 1 1000 231 -0.9 -3.5 82 2.6 -1.9 115 3 272.2 272.7 271.3 280.3 2.95 2 935 763 -5.9 -7.5 88 1.6 -6.4 119 5 272.4 272.8 270.4 278.8 2.32 3 925 848 -1.7 -3.2 89 1.5 -2.3 120 5 277.6 278.1 274.9 286.6 3.26 4 886 1192 0.8 -6.2 59 7.0 -1.9 115 7 283.6 284.1 277.3 291.4 2.71 5 850 1525 0.4 -4.4 70 4.8 -1.6 110 9 286.6 287.1 279.5 295.9 3.24 6 748 2542 -4.1 -12.1 54 8.0 -6.8 24 5 292.3 292.7 280.6 298.4 2.02 7 724 2800 -3.5 -15.5 39 12.0 -7.3 3 4 295.7 296.0 281.6 300.6 1.58 8 700 3066 -4.5 -24.5 19 20.0 -9.5 340 3 297.5 297.6 281.3 299.9 0.75 9 697 3100 -4.9 -26.9 16 22.0 -10.0 340 3 297.4 297.5 281.1 299.4 0.61 10 643 3729 -8.5 -27.5 20 19.0 -12.7 348 3 300.3 300.4 282.3 302.3 0.62 11 560 4780 -18.1 -28.1 41 10.0 -20.0 360 3 301.1 301.2 282.7 303.3 0.68 12 500 5620 -22.1 -34.1 33 12.0 -23.9 10 3 306.1 306.2 284.4 307.6 0.43 13 484 5859 -23.3 -39.3 22 16.0 -25.2 11 3 307.5 307.5 284.7 308.4 0.26 14 400 7220 -35.5 -45.5 35 10.0 -36.2 20 3 308.9 308.9 285.1 309.4 0.16 15 375 7666 -38.5 -47.5 38 9.0 -39.0 16 5 310.6 310.7 285.7 311.1 0.14 16 300 9160 -50.7 -61.7 26 11.0 -50.9 360 13 313.9 313.9 286.8 314.0 0.03 17 250 10320 -60.5 -70.5 26 10.0 -60.6 360 23 316.1 316.1 287.5 316.2 0.01 18 234 10725 -63.9 -73.9 24 10.0 -64.0 360 23 317.0 317.0 287.8 317.0 0.01 19 219 11127 -65.5 -75.5 24 10.0 -65.5 360 23 320.6 320.6 288.9 320.6 0.01 20 200 11680 -61.5 -71.5 25 10.0 -61.6 335 19 335.4 335.4 293.2 335.4 0.01 21 167 12802 -59.3 -69.3 26 10.0 -59.5 307 18 356.8 356.8 298.1 356.9 0.02 22 150 13470 -61.5 -71.5 25 10.0 -61.6 290 17 364.1 364.1 299.5 364.2 0.02 23 100 15980 -62.5 -74.5 18 12.0 -62.7 275 23 407.0 407.0 306.2 407.0 0.02 24 70 18180 -64.3 -77.3 15 13.0 -64.5 265 23 446.8 446.8 310.6 446.9 0.01 25 50 20220 -66.9 -79.9 14 13.0 -67.1 280 23 485.8 485.8 313.9 485.9 0.01 26 30 23280 -68.9 -82.9 12 14.0 -69.2 285 29 556.8 556.8 318.5 556.9 0.01 27 20 25690 -71.1 -85.1 11 14.0 -71.4 280 40 618.5 618.5 321.5 618.6 0.01 28 16 27003 -73.3 -87.3 10 14.0 -73.6 652.1 652.1 322.7 652.2 0.01 29 13 28222 -72.4 -86.4 10 14.0 -72.8 290 64 695.0 695.0 324.3 695.1 0.02 30 12 28693 -72.1 -86.1 10 14.0 -72.5 712.3 712.3 324.8 712.4 0.02 TRP 219 11127 -65.5 -75.5 24 10.0 -65.5 360 23 320.6 320.6 288.9 320.6 0.01 WND 13 28222 -72.4 -86.4 10 14.0 -72.8 290 64 695.0 695.0 324.3 695.1 0.02 Sounding variables and indices 1000-500 mb thick: 5389.00 m Freezing level: Surface below freezing Freezing level: 898.48 mb = 1082.09 m = 3550.11 ft Freezing level: 840.93 mb = 1615.42 m = 5299.88 ft Wetbulb zero: Below ground Precipitable water: 0.38 inches Sfc-500 mean rel hum: 47.93 % Est. max temperature: 13.39 C = 56.11 F Sfc-Lift cond lev (LCL): 972.31 mb = 453.25 m = 1487.01 ft T: -2.99 C 700-500 lapse rate: 6.89 C/km ThetaE index: 1.55 C Layer 1000.0- 925.0 mb Conv cond level (CCL): 945.28 mb = 676.43 m = 2219.23 ft Mean mixing ratio: 2.77 g/kg Conv temperature: -0.12 C = 31.79 F Cap Strength: 18.43 C Lifted Index: 20.77 C Risk: None Lifted Index @300 mb: 23.05 C Lifted Index @700 mb: 17.16 C Showalter Index: 9.76 C Risk: None Total Totals Index: 40.20 C Risk: None Vertical Totals Index: 22.50 C Cross Totals Index: 17.70 C K Index: -1.90 Risk: None Sweat Index: 21.00 Risk: None Energy Index: 2.47 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 30.82 J/kg Max Up Vert Vel: 7.85 m/s Conv Inhibition (B-): 56770.95 J/kg Cap Strength: 20.44 C Lift Cond Lev (LCL): 925.67 mb = 842.31 m = 2763.45 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 93 at 3 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 1008 167 110 3 -2.8 1.0 | 205 1 0.4 0.8 1 1000 231 115 3 -2.7 1.3 | 205 1 0.5 1.1 2 925 848 120 5 -4.3 2.5 | 154 3 -1.1 2.3 3 850 1525 110 9 -8.5 3.1 | 119 6 -5.2 2.9 4 700 3066 340 3 1.0 -2.8 | 305 5 4.2 -3.0 5 500 5620 10 3 -0.5 -3.0 | 319 4 2.7 -3.1 6 400 7220 20 3 -1.0 -2.8 | 324 4 2.2 -3.0 7 300 9160 360 13 -0.0 -13.0 | 346 14 3.2 -13.2 8 250 10320 360 23 -0.0 -23.0 | 352 23 3.2 -23.2 9 219 11127 360 23 -0.0 -23.0 | 352 23 3.2 -23.2 10 200 11680 335 19 8.0 -17.2 | 327 21 11.2 -17.4 11 150 13470 290 17 16.0 -5.8 | 287 20 19.2 -6.0 12 100 15980 275 23 22.9 -2.0 | 275 26 26.1 -2.2 13 70 18180 265 23 22.9 2.0 | 266 26 26.1 1.8 14 50 20220 280 23 22.7 -4.0 | 279 26 25.9 -4.2 15 30 23280 285 29 28.0 -7.5 | 284 32 31.2 -7.7 16 20 25690 280 40 39.4 -6.9 | 280 43 42.6 -7.1 Wind Parameters Mean winds (0-6000m): 63.3 at 4.3 knts Storm direction: 93.3 at 3.2 knts Shear (0-3000m) pos: 0.3 neg: 1.2 tot: 1.4 10-3/s Storm rel Dir Shear (0-3000m): 100.7 deg Storm rel helicity (0-3000m) pos: 0.1 neg: -21.9 tot: -21.8 m^2/s^2 ave: -7.3 10^-3 m/s^2 rel: -0.87 Storm rel vorticity (0-3000m) horiz: 3.6 stream: -3.1 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 17.98 Bulk Shear: 1.71 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 ------------------------------------------------------------------------------- 500 117 4 179 1| 1.6 0.0 1.6| 0.0 -0.4 -0.4 -0.9 -0.68| 1.7 -1.1 1000 118 5 157 2| 0.8 1.3 2.1| 0.0 -1.6 -1.6 -1.6 -0.62| 2.1 -1.3 1500 114 6 136 3| 0.5 1.6 2.1| 0.0 -5.7 -5.7 -3.8 -0.68| 2.8 -1.9 2000 105 6 118 3| 0.4 1.5 1.9| 0.0 -12.7 -12.7 -6.3 -0.81| 3.6 -2.9 2500 101 6 110 3| 0.3 1.5 1.8| 0.0 -18.2 -18.2 -7.3 -0.85| 3.8 -3.2 3000 104 6 117 3| 0.3 1.2 1.4| 0.1 -21.9 -21.8 -7.3 -0.87| 3.6 -3.1 4000 91 5 88 2| 0.2 0.9 1.1| 0.7 -21.9 -21.2 -5.3 -0.82| 2.8 -2.3 5000 76 5 44 2| 0.3 0.7 1.0| 1.2 -21.9 -20.7 -4.1 -0.78| 2.3 -1.8 6000 63 4 16 2| 0.2 0.6 0.8| 1.6 -21.9 -20.3 -3.4 -0.75| 2.0 -1.5 Wrote GIF file: /home/apache/climate/data/raob//X4172/skewt/X4172.skewt.20251202.00.gif