UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2026011700.upa.cvt Date: 0000Z 17 JAN 26 Searching for X4172... Searching the city database file for: X4172 ... Date:0000Z 17 JAN 26 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 1020 162 -14.1 -19.1 66 5.0 -15.0 60 9 257.6 257.7 256.9 259.8 0.83 1 1000 312 -14.9 -21.9 55 7.0 -16.0 65 15 258.2 258.4 257.1 260.1 0.66 2 970 542 -16.3 -23.3 55 7.0 -17.3 79 22 259.1 259.2 257.7 260.8 0.60 3 953 676 -11.5 -18.5 56 7.0 -12.9 87 26 265.3 265.4 263.1 267.9 0.93 4 925 906 -9.1 -13.1 73 4.0 -10.1 100 33 270.0 270.3 267.5 274.2 1.50 5 915 990 -8.3 -12.0 75 3.7 -9.3 101 34 271.7 271.9 268.8 276.3 1.66 6 861 1461 -9.5 -13.6 72 4.1 -10.6 104 39 275.2 275.4 270.9 279.6 1.55 7 860 1470 -9.5 -13.7 71 4.2 -10.6 104 39 275.3 275.5 270.9 279.7 1.54 8 850 1561 -7.9 -13.9 62 6.0 -9.5 105 40 277.9 278.1 272.5 282.3 1.53 9 825 1794 -5.3 -25.3 19 20.0 -9.6 103 39 283.0 283.1 273.9 284.8 0.59 10 820 1842 -5.5 -29.5 13 24.0 -10.1 103 39 283.3 283.4 273.8 284.6 0.40 11 746 2580 -8.3 -31.3 14 23.0 -12.5 98 37 288.0 288.1 276.2 289.2 0.37 12 700 3070 -11.9 -30.9 19 19.0 -15.2 95 35 289.3 289.4 277.0 290.6 0.42 13 548 4894 -25.1 -44.1 15 19.0 -26.8 77 39 294.6 294.6 279.1 295.1 0.14 14 500 5550 -31.7 -47.7 19 16.0 -32.7 70 40 294.4 294.4 279.0 294.7 0.10 15 492 5663 -32.9 -48.9 19 16.0 -33.8 70 40 294.3 294.3 278.9 294.6 0.09 16 424 6688 -40.3 -58.3 13 18.0 -40.9 66 43 297.6 297.6 280.3 297.7 0.03 17 400 7080 -44.1 -62.1 12 18.0 -44.5 65 44 297.7 297.7 280.3 297.8 0.02 18 340 8150 -55.3 -72.3 10 17.0 -55.5 76 42 296.6 296.6 279.8 296.6 0.01 19 307 8796 -60.9 -76.9 10 16.0 -61.0 83 40 297.5 297.5 280.3 297.5 0.00 20 300 8940 -61.5 -77.5 10 16.0 -61.6 85 40 298.6 298.6 280.7 298.7 0.00 21 281 9342 -63.1 -79.1 10 16.0 -63.1 83 40 302.0 302.0 282.2 302.0 0.00 22 258 9860 -67.3 -82.3 10 15.0 -67.4 80 40 303.3 303.3 282.7 303.3 0.00 23 250 10050 -66.1 -81.1 11 15.0 -66.1 85 38 307.8 307.8 284.5 307.8 0.00 24 237 10376 -62.1 -78.1 10 16.0 -62.2 78 35 318.6 318.6 288.3 318.6 0.00 25 200 11430 -59.1 -74.1 13 15.0 -59.2 55 25 339.2 339.2 294.1 339.2 0.01 26 178 12161 -56.5 -71.5 13 15.0 -56.7 41 21 354.9 354.9 297.7 355.0 0.01 27 150 13240 -57.5 -72.5 13 15.0 -57.8 20 15 371.0 371.0 300.8 371.1 0.01 28 100 15790 -59.3 -75.3 11 16.0 -59.6 345 17 413.2 413.2 306.9 413.2 0.01 29 70 18020 -60.7 -76.7 10 16.0 -61.0 330 25 454.5 454.5 311.3 454.6 0.02 30 50 20100 -62.3 -79.3 9 17.0 -62.7 330 40 496.7 496.7 314.7 496.8 0.01 31 42 21175 -63.1 -80.1 8 17.0 -63.6 520.1 520.1 316.3 520.2 0.02 TRP 258 9860 -67.3 -82.3 10 15.0 -67.4 80 40 303.3 303.3 282.7 303.3 0.00 WND Sounding variables and indices 1000-500 mb thick: 5238.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.13 inches Sfc-500 mean rel hum: 29.86 % Est. max temperature: 2.99 C = 37.37 F Sfc-Lift cond lev (LCL): 940.38 mb = 778.98 m = 2555.67 ft T: -10.43 C 700-500 lapse rate: 7.98 C/km ThetaE index: 0.27 C Layer 820.0- 746.0 mb Conv cond level (CCL): 546.41 mb = 4914.45 m = 16123.34 ft Mean mixing ratio: 0.89 g/kg Conv temperature: 23.13 C = 73.63 F Cap Strength: 25.27 C Lifted Index: 24.35 C Risk: None Lifted Index @300 mb: 23.97 C Lifted Index @700 mb: 22.88 C Showalter Index: 10.41 C Risk: None Total Totals Index: 41.60 C Risk: None Vertical Totals Index: 23.80 C Cross Totals Index: 17.80 C K Index: -9.10 Risk: None Sweat Index: 120.00 Risk: None Energy Index: 2.74 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 57.94 J/kg Max Up Vert Vel: 10.77 m/s Conv Inhibition (B-): 42193.78 J/kg Cap Strength: 25.21 C Lift Cond Lev (LCL): 884.40 mb = 1253.70 m = 4113.13 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 118 at 27 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 1020 162 60 9 -7.8 -4.5 | 317 23 16.0 -16.9 1 1000 312 65 15 -13.6 -6.3 | 331 21 10.2 -18.8 2 925 906 100 33 -32.5 5.7 | 52 11 -8.7 -6.7 3 850 1561 105 40 -38.6 10.4 | 82 15 -14.9 -2.1 4 700 3070 95 35 -34.9 3.1 | 50 15 -11.1 -9.4 5 500 5550 70 40 -37.6 -13.7 | 28 30 -13.8 -26.1 6 400 7080 65 44 -39.9 -18.6 | 27 35 -16.1 -31.0 7 300 8940 85 40 -39.8 -3.5 | 45 23 -16.1 -15.9 8 258 9860 80 40 -39.4 -6.9 | 39 25 -15.6 -19.4 9 250 10050 85 38 -37.9 -3.3 | 42 21 -14.1 -15.7 10 200 11430 55 25 -20.5 -14.3 | 353 27 3.3 -26.8 11 150 13240 20 15 -5.1 -14.1 | 325 32 18.7 -26.5 12 100 15790 345 17 4.4 -16.4 | 316 40 28.2 -28.9 13 70 18020 330 25 12.5 -21.7 | 313 50 36.3 -34.1 14 50 20100 330 40 20.0 -34.6 | 317 64 43.8 -47.1 Wind Parameters Mean winds (0-6000m): 87.6 at 35.8 knts Storm direction: 117.6 at 26.8 knts Shear (0-3000m) pos: 5.8 neg: 1.4 tot: 7.2 10-3/s Storm rel Dir Shear (0-3000m): 92.1 deg Storm rel helicity (0-3000m) pos: 138.8 neg: -32.5 tot: 106.3 m^2/s^2 ave: 35.4 10^-3 m/s^2 rel: 0.54 Storm rel vorticity (0-3000m) horiz: 7.9 stream: 4.2 10^-3/s Energy-Hel index: 0.05 Bulk Rich Number: 1.23 Bulk Shear: 47.00 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 75 18 339 18| 18.4 0.0 18.4| 85.1 0.0 85.1 170.3 0.88| 19.5 17.2 1000 91 25 5 12| 15.3 0.0 15.3|125.1 0.0 125.1 125.1 0.90| 16.7 15.0 1500 97 29 30 10| 11.6 0.0 11.6|138.8 -2.2 136.6 91.1 0.86| 12.9 11.1 2000 99 31 44 11| 8.7 0.7 9.4|138.8 -12.9 125.9 63.0 0.74| 10.4 7.6 2500 99 33 49 11| 7.0 1.1 8.1|138.8 -23.2 115.6 46.2 0.63| 8.9 5.6 3000 99 33 50 12| 5.8 1.4 7.2|138.8 -32.5 106.3 35.4 0.54| 7.9 4.2 4000 96 34 48 13| 4.3 1.8 6.1|138.8 -47.0 91.8 22.9 0.41| 6.8 2.8 5000 92 35 44 16| 3.5 2.1 5.6|138.8 -68.9 70.0 14.0 0.30| 6.1 1.9 6000 88 36 41 18| 2.9 2.2 5.1|138.8 -80.0 58.8 9.8 0.26| 5.5 1.4 Wrote GIF file: /home/apache/climate/data/raob//X4172/skewt/X4172.skewt.20260117.00.gif