UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2026011800.upa.cvt Date: 0000Z 18 JAN 26 Searching for X4172... Searching the city database file for: X4172 ... Date:0000Z 18 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 1024 166 -20.1 -23.7 73 3.6 -20.5 360 1 251.3 251.4 251.1 252.8 0.55 1 1000 343 -16.9 -21.4 68 4.5 -17.6 15 5 256.2 256.4 255.6 258.1 0.69 2 974 545 -7.5 -14.5 57 7.0 -9.2 39 11 267.7 267.9 265.4 271.2 1.27 3 925 949 -4.7 -23.7 21 19.0 -8.7 85 23 274.5 274.6 268.8 276.3 0.61 4 886 1289 -2.5 -30.5 10 28.0 -7.9 82 24 280.2 280.2 271.9 281.2 0.34 5 850 1617 -3.7 -34.7 7 31.0 -9.1 80 25 282.3 282.3 272.9 283.0 0.24 6 812 1977 -5.3 -36.3 7 31.0 -10.4 93 26 284.3 284.3 274.0 285.0 0.21 7 700 3122 -14.1 -41.1 8 27.0 -17.4 135 29 286.9 286.9 275.3 287.4 0.15 8 561 4753 -27.7 -40.7 28 13.0 -28.8 99 28 289.6 289.6 276.7 290.2 0.19 9 500 5570 -33.1 -44.1 32 11.0 -33.8 80 27 292.7 292.7 278.2 293.2 0.15 10 415 6853 -42.5 -50.5 41 8.0 -42.8 67 35 296.6 296.6 280.0 296.9 0.09 11 400 7100 -44.3 -52.3 41 8.0 -44.6 65 36 297.4 297.4 280.3 297.7 0.08 12 300 8970 -58.5 -65.5 40 7.0 -58.6 60 54 302.9 302.9 282.5 303.0 0.02 13 260 9859 -64.1 -71.1 38 7.0 -64.1 60 50 307.3 307.3 284.3 307.3 0.01 14 250 10100 -63.7 -70.7 38 7.0 -63.7 60 46 311.4 311.4 285.8 311.4 0.01 15 200 11470 -59.5 -66.5 40 7.0 -59.6 45 29 338.5 338.5 294.0 338.6 0.02 16 150 13280 -57.7 -65.7 35 8.0 -57.9 20 19 370.7 370.7 300.7 370.8 0.04 17 122 14589 -56.9 -64.9 36 8.0 -57.1 360 17 394.7 394.7 304.5 394.9 0.05 18 100 15840 -60.7 -68.7 34 8.0 -60.9 340 15 410.4 410.5 306.6 410.6 0.04 TRP 260 9859 -64.1 -71.1 38 7.0 -64.1 60 50 307.3 307.3 284.3 307.3 0.01 WND Sounding variables and indices 1000-500 mb thick: 5227.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.08 inches Sfc-500 mean rel hum: 21.23 % Est. max temperature: 9.63 C = 49.33 F Sfc-Lift cond lev (LCL): 964.92 mb = 618.05 m = 2027.71 ft T: -6.99 C 700-500 lapse rate: 7.76 C/km ThetaE index: 0.00 C Layer 1024.0- 0.0 mb Conv cond level (CCL): 588.83 mb = 4396.57 m = 14424.26 ft Mean mixing ratio: 0.87 g/kg Conv temperature: 17.87 C = 64.17 F Cap Strength: 19.21 C Lifted Index: 21.02 C Risk: None Lifted Index @300 mb: 25.27 C Lifted Index @700 mb: 18.63 C Showalter Index: 8.42 C Risk: None Total Totals Index: 27.80 C Risk: None Vertical Totals Index: 29.40 C Cross Totals Index: -1.60 C K Index: -32.30 Risk: None Sweat Index: 77.00 Risk: None Energy Index: 2.12 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 96.71 J/kg Max Up Vert Vel: 13.91 m/s Conv Inhibition (B-): 21336.55 J/kg Cap Strength: 20.77 C Lift Cond Lev (LCL): 847.37 mb = 1641.39 m = 5385.06 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 130 at 19 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 1024 166 360 1 -0.0 -1.0 | 312 20 14.5 -13.2 1 1000 343 15 5 -1.3 -4.8 | 322 22 13.2 -17.0 2 925 949 85 23 -22.9 -2.0 | 31 16 -8.4 -14.2 3 850 1617 80 25 -24.6 -4.3 | 31 19 -10.1 -16.5 4 700 3122 135 29 -20.5 20.5 | 144 10 -6.0 8.3 5 500 5570 80 27 -26.6 -4.7 | 36 21 -12.1 -16.9 6 400 7100 65 36 -32.6 -15.2 | 33 33 -18.1 -27.4 7 300 8970 60 54 -46.8 -27.0 | 39 51 -32.2 -39.2 8 260 9859 60 50 -43.3 -25.0 | 38 47 -28.8 -37.2 9 250 10100 60 46 -39.8 -23.0 | 36 43 -25.3 -35.2 10 200 11470 45 29 -20.5 -20.5 | 10 33 -6.0 -32.7 11 150 13280 20 19 -6.5 -17.9 | 345 31 8.0 -30.1 12 100 15840 340 15 5.1 -14.1 | 323 33 19.7 -26.3 Wind Parameters Mean winds (0-6000m): 100.0 at 25.3 knts Storm direction: 130.0 at 19.0 knts Shear (0-3000m) pos: 5.0 neg: 0.3 tot: 5.3 10-3/s Storm rel Dir Shear (0-3000m): -170.7 deg Storm rel helicity (0-3000m) pos: 225.7 neg: 0.0 tot: 225.7 m^2/s^2 ave: 75.2 10^-3 m/s^2 rel: 0.88 Storm rel vorticity (0-3000m) horiz: 9.9 stream: 8.7 10^-3/s Energy-Hel index: 0.11 Bulk Rich Number: 1.41 Bulk Shear: 68.48 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 38 7 331 21| 14.4 0.0 14.4| 85.6 0.0 85.6 171.2 0.96| 16.1 15.4 1000 76 14 356 16| 12.1 0.0 12.1|149.8 0.0 149.8 149.8 0.92| 15.5 14.3 1500 79 17 9 16| 8.1 0.6 8.6|153.5 0.0 153.5 102.4 0.88| 11.2 9.8 2000 83 19 18 15| 6.6 0.4 7.0|181.9 0.0 181.9 90.9 0.86| 10.5 9.1 2500 90 21 28 14| 5.7 0.3 6.0|205.9 0.0 205.9 82.3 0.87| 10.2 8.9 3000 98 22 40 12| 5.0 0.3 5.3|225.7 0.0 225.7 75.2 0.88| 9.9 8.7 4000 106 24 56 10| 3.8 1.6 5.4|225.7 -29.7 196.0 49.0 0.58| 8.8 5.1 5000 105 25 58 11| 3.0 2.3 5.4|225.7 -64.4 161.3 32.3 0.39| 8.2 3.2 6000 100 25 53 13| 2.5 2.7 5.2|226.4 -81.5 144.9 24.1 0.31| 7.6 2.4 Wrote GIF file: /home/apache/climate/data/raob//X4172/skewt/X4172.skewt.20260118.00.gif