UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2026011712.upa.cvt Date: 1200Z 17 JAN 26 Searching for X4172... Searching the city database file for: X4172 ... Date:1200Z 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 1022 170 -14.1 -19.1 66 5.0 -15.0 40 7 257.4 257.6 256.8 259.7 0.82 1 1000 335 -15.3 -22.3 55 7.0 -16.4 50 7 257.9 258.0 256.8 259.6 0.64 2 983 464 -16.1 -23.1 55 7.0 -17.1 61 12 258.3 258.4 257.1 260.0 0.61 3 957 669 -8.3 -16.3 52 8.0 -10.1 78 19 268.2 268.4 265.6 271.3 1.12 4 925 934 -6.5 -17.5 41 11.0 -9.1 100 29 272.7 272.8 268.4 275.7 1.04 5 900 1148 -5.3 -21.3 27 16.0 -8.9 102 30 276.0 276.2 270.1 278.3 0.77 6 850 1596 -6.1 -30.1 13 24.0 -10.4 105 31 279.8 279.8 271.6 280.9 0.37 7 821 1867 -6.5 -31.5 12 25.0 -10.9 104 31 282.1 282.2 273.0 283.2 0.33 8 798 2088 -7.3 -34.3 10 27.0 -11.7 103 32 283.6 283.6 273.7 284.4 0.26 9 714 2948 -11.1 -38.1 9 27.0 -15.0 101 33 288.6 288.6 276.3 289.2 0.20 10 700 3099 -12.7 -38.7 9 26.0 -16.2 100 33 288.4 288.5 276.2 289.1 0.19 11 511 5416 -30.7 -43.7 27 13.0 -31.7 81 36 293.8 293.8 278.7 294.3 0.16 12 500 5570 -32.1 -45.1 26 13.0 -33.0 80 36 293.9 293.9 278.8 294.4 0.14 13 485 5784 -33.5 -46.5 26 13.0 -34.3 79 35 294.8 294.8 279.1 295.2 0.12 14 401 7083 -46.1 -59.1 22 13.0 -46.4 75 27 294.9 294.9 279.1 295.0 0.03 15 400 7100 -46.5 -59.5 21 13.0 -46.8 75 27 294.6 294.6 278.9 294.7 0.03 16 300 8960 -58.5 -71.5 17 13.0 -58.6 60 35 302.9 302.9 282.5 302.9 0.01 17 262 9794 -64.9 -77.9 15 13.0 -65.0 55 36 305.5 305.5 283.6 305.5 0.00 18 250 10080 -62.7 -75.7 16 13.0 -62.8 50 36 312.9 312.9 286.4 312.9 0.01 19 249 10105 -62.3 -75.3 16 13.0 -62.4 50 36 313.8 313.8 286.7 313.8 0.01 20 200 11480 -58.9 -71.9 17 13.0 -59.0 50 25 339.5 339.5 294.2 339.5 0.01 21 180 12140 -57.7 -70.7 18 13.0 -57.9 70 23 351.8 351.8 297.0 351.9 0.02 22 150 13290 -56.5 -69.5 18 13.0 -56.8 105 19 372.7 372.7 301.1 372.8 0.02 23 128 14294 -57.7 -71.7 15 14.0 -58.0 387.9 387.9 303.5 388.0 0.02 TRP 262 9794 -64.9 -77.9 15 13.0 -65.0 55 36 305.5 305.5 283.6 305.5 0.00 WND Sounding variables and indices 1000-500 mb thick: 5235.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.09 inches Sfc-500 mean rel hum: 21.80 % Est. max temperature: 6.68 C = 44.02 F Sfc-Lift cond lev (LCL): 942.22 mb = 790.39 m = 2593.10 ft T: -7.48 C 700-500 lapse rate: 7.85 C/km ThetaE index: 0.16 C Layer 700.0- 511.0 mb Conv cond level (CCL): 561.76 mb = 4718.77 m = 15481.32 ft Mean mixing ratio: 0.87 g/kg Conv temperature: 20.99 C = 69.78 F Cap Strength: 22.81 C Lifted Index: 22.75 C Risk: None Lifted Index @300 mb: 25.91 C Lifted Index @700 mb: 20.83 C Showalter Index: 11.12 C Risk: None Total Totals Index: 28.00 C Risk: None Vertical Totals Index: 26.00 C Cross Totals Index: 2.00 C K Index: -30.10 Risk: None Sweat Index: 98.00 Risk: None Energy Index: 2.89 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 72.48 J/kg Max Up Vert Vel: 12.04 m/s Conv Inhibition (B-): 18145.92 J/kg Cap Strength: 22.81 C Lift Cond Lev (LCL): 858.98 mb = 1513.68 m = 4966.09 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 123 at 23 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 1022 170 40 7 -4.5 -5.4 | 320 23 15.1 -18.0 1 1000 335 50 7 -5.4 -4.5 | 320 22 14.2 -17.1 2 925 934 100 29 -28.6 5.0 | 50 12 -9.0 -7.6 3 850 1596 105 31 -29.9 8.0 | 66 11 -10.4 -4.6 4 700 3099 100 33 -32.5 5.7 | 62 15 -12.9 -6.9 5 500 5570 80 36 -35.5 -6.3 | 40 25 -15.9 -18.9 6 400 7100 75 27 -26.1 -7.0 | 18 21 -6.5 -19.6 7 300 8960 60 35 -30.3 -17.5 | 20 32 -10.8 -30.1 8 262 9794 55 36 -29.5 -20.6 | 17 35 -9.9 -33.3 9 250 10080 50 36 -27.6 -23.1 | 13 37 -8.0 -35.7 10 200 11480 50 25 -19.2 -16.1 | 359 29 0.4 -28.7 11 150 13290 105 19 -18.4 4.9 | 351 8 1.2 -7.7 Wind Parameters Mean winds (0-6000m): 92.8 at 31.0 knts Storm direction: 122.8 at 23.3 knts Shear (0-3000m) pos: 4.9 neg: 0.6 tot: 5.6 10-3/s Storm rel Dir Shear (0-3000m): 101.2 deg Storm rel helicity (0-3000m) pos: 121.6 neg: -4.0 tot: 117.7 m^2/s^2 ave: 39.2 10^-3 m/s^2 rel: 0.78 Storm rel vorticity (0-3000m) horiz: 6.1 stream: 4.7 10^-3/s Energy-Hel index: 0.06 Bulk Rich Number: 1.15 Bulk Shear: 62.94 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 65 11 331 20| 14.9 0.0 14.9| 66.9 0.0 66.9 133.7 0.86| 15.4 13.3 1000 92 19 356 12| 13.9 0.0 13.9|115.3 0.0 115.3 115.3 0.90| 15.2 13.7 1500 97 23 16 10| 9.9 0.0 9.9|121.6 0.0 121.6 81.1 0.90| 10.9 9.8 2000 99 25 29 10| 7.4 0.3 7.7|121.6 -0.9 120.7 60.3 0.86| 8.5 7.3 2500 100 26 38 10| 5.9 0.5 6.4|121.6 -2.1 119.6 47.8 0.82| 7.0 5.8 3000 100 27 44 11| 4.9 0.6 5.6|121.6 -4.0 117.7 39.2 0.78| 6.1 4.7 4000 99 29 48 12| 3.7 1.1 4.8|121.6 -17.0 104.7 26.2 0.61| 5.2 3.2 5000 96 30 48 14| 3.0 1.4 4.3|121.6 -33.5 88.1 17.6 0.48| 4.7 2.2 6000 93 31 46 16| 2.5 1.3 3.7|121.6 -61.7 59.9 10.0 0.33| 4.4 1.5 Wrote GIF file: /home/apache/climate/data/raob//X4172/skewt/X4172.skewt.20260117.12.gif