UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2026011212.upa.cvt Date: 1200Z 12 JAN 26 Searching for X4172... Searching the city database file for: X4172 ... Date:1200Z 12 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 ------------------------------------------------------------------------------- 0 1000 117 SFC 994 165 -3.1 -4.3 91 1.2 -3.5 140 7 270.5 271.0 269.9 278.1 2.79 2 943 580 -5.7 -8.2 82 2.5 -6.5 272.0 272.3 269.9 278.0 2.18 3 925 733 -1.1 -2.9 88 1.8 -1.8 180 21 278.2 278.7 275.3 287.4 3.33 4 923 750 -0.7 -2.5 88 1.8 -1.4 278.8 279.3 275.8 288.3 3.44 5 850 1407 -1.5 -3.0 89 1.5 -2.1 180 15 284.6 285.2 279.0 294.8 3.60 6 844 1463 -1.7 -3.2 89 1.5 -2.3 284.9 285.6 279.1 295.1 3.57 7 793 1957 -3.9 -5.7 87 1.8 -4.6 287.7 288.3 279.9 296.8 3.15 8 704 2889 -8.7 -11.0 83 2.3 -9.5 292.4 292.8 281.1 299.4 2.34 9 700 2933 -9.1 -11.5 83 2.4 -9.9 210 29 292.4 292.8 281.0 299.2 2.26 10 500 5440 -28.1 -32.0 69 3.9 -28.6 220 50 298.8 298.9 281.5 300.5 0.52 11 417 6716 -38.7 -42.7 66 4.0 -38.9 301.1 301.1 282.1 301.8 0.21 12 400 7000 -41.5 -45.1 68 3.6 -41.7 220 52 301.1 301.1 282.0 301.7 0.17 13 374 7450 -46.3 -50.0 66 3.7 -46.4 300.5 300.6 281.7 300.9 0.11 14 336 8151 -51.7 -55.6 63 3.9 -51.8 230 60 302.5 302.5 282.5 302.8 0.06 15 328 8306 -52.9 -56.9 62 4.0 -53.0 303.0 303.0 282.7 303.1 0.05 16 319 8484 -56.5 -60.4 61 3.9 -56.6 300.4 300.4 281.5 300.5 0.04 17 304 8787 -58.7 -63.0 57 4.3 -58.7 301.5 301.5 282.0 301.6 0.03 18 300 8870 -59.3 -63.5 58 4.2 -59.3 225 60 301.8 301.8 282.1 301.8 0.02 19 263 9681 -67.9 -72.3 53 4.4 -67.9 225 58 300.7 300.7 281.7 300.8 0.01 20 254 9893 -64.7 -69.1 55 4.4 -64.7 225 53 308.5 308.5 284.8 308.5 0.01 21 250 9990 -64.5 -68.9 55 4.4 -64.6 225 52 310.2 310.2 285.4 310.2 0.01 22 213 10978 -60.5 -65.0 55 4.5 -60.6 236 42 330.9 330.9 292.0 331.1 0.03 23 200 11370 -61.1 -65.9 53 4.8 -61.2 240 38 336.0 336.0 293.3 336.1 0.03 24 150 13150 -60.5 -66.5 45 6.0 -60.6 235 46 365.9 365.9 299.8 366.0 0.03 25 100 15670 -61.3 -68.3 39 7.0 -61.4 235 42 409.3 409.3 306.5 409.5 0.04 26 86 16603 -63.5 -70.5 38 7.0 -63.6 241 52 422.9 422.9 308.1 423.1 0.03 27 73 17605 -66.5 -73.5 37 7.0 -66.6 248 63 436.8 436.8 309.6 437.0 0.03 28 70 17860 -65.7 -73.7 32 8.0 -65.8 250 66 443.8 443.8 310.3 444.0 0.03 29 59 18898 -65.1 -73.1 32 8.0 -65.3 253 67 467.4 467.4 312.4 467.6 0.03 30 57 19107 -66.3 -74.3 32 8.0 -66.5 253 67 469.3 469.3 312.6 469.5 0.03 31 50 19900 -65.9 -73.9 32 8.0 -66.1 255 68 488.2 488.2 314.1 488.4 0.03 32 31 22782 -68.1 -76.1 31 8.0 -68.3 250 95 553.8 553.8 318.3 554.0 0.04 33 30 22980 -66.1 -74.1 32 8.0 -66.4 250 97 564.4 564.5 318.9 564.8 0.06 34 29 23186 -65.7 -73.7 32 8.0 -66.0 250 99 571.0 571.1 319.2 571.5 0.06 35 26 23845 -68.3 -76.3 31 8.0 -68.6 252 107 581.8 581.8 319.8 582.1 0.05 36 22 24862 -62.1 -70.1 34 8.0 -62.7 254 118 628.7 628.8 321.9 629.8 0.14 37 20 25450 -62.9 -70.9 33 8.0 -63.6 255 124 643.6 643.7 322.5 644.7 0.13 38 17 26448 -64.1 -73.1 28 9.0 -64.8 670.4 670.5 323.4 671.4 0.11 TRP 263 -67.9 -72.3 53 4.4 -67.9 225 58 300.7 300.7 281.7 300.8 0.01 WND 336 8151 -51.7 -55.6 63 3.9 -51.8 230 60 302.5 302.5 282.5 302.8 0.06 Sounding variables and indices 1000-500 mb thick: 5323.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.49 inches Sfc-500 mean rel hum: 81.54 % Est. max temperature: 11.30 C = 52.34 F Sfc-Lift cond lev (LCL): 975.24 mb = 315.05 m = 1033.61 ft T: -4.04 C 700-500 lapse rate: 7.58 C/km ThetaE index: 0.19 C Layer 700.0- 500.0 mb Conv cond level (CCL): 968.50 mb = 369.81 m = 1213.26 ft Mean mixing ratio: 2.85 g/kg Conv temperature: -2.38 C = 27.72 F Cap Strength: 11.73 C Lifted Index: 13.83 C Risk: None Lifted Index @300 mb: 13.63 C Lifted Index @700 mb: 11.68 C Showalter Index: 4.58 C Risk: None Total Totals Index: 51.70 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 26.60 C Cross Totals Index: 25.10 C K Index: 21.20 Risk: 20-40 % chance of thunderstorms Sweat Index: 239.35 Risk: None Energy Index: 1.18 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 51.82 J/kg Max Up Vert Vel: 10.18 m/s Conv Inhibition (B-): 52515.89 J/kg Cap Strength: 13.73 C Lift Cond Lev (LCL): 917.99 mb = 793.69 m = 2603.94 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data ------------------------------------ TRUE/GROUND REL LEV P H DIR SPD U V mb m knt m/s ------------------------------------ 0 263 9420 225 58 41.0 41.0 1 994 165 140 7 -4.5 5.4 2 925 733 180 21 0.0 21.0 3 850 1407 180 15 0.0 15.0 4 700 2933 210 29 14.5 25.1 5 500 5440 220 50 32.1 38.3 6 400 7000 220 52 33.4 39.8 7 336 8151 230 60 46.0 38.6 8 300 8870 225 60 42.4 42.4 9 250 9990 225 52 36.8 36.8 10 200 11370 240 38 32.9 19.0 11 150 13150 235 46 37.7 26.4 12 100 15670 235 42 34.4 24.1 13 70 17860 250 66 62.0 22.6 14 50 19900 255 68 65.7 17.6 15 30 22980 250 97 91.2 33.2 16 20 25450 255 124 119.8 32.1 Wind Parameters Energy-Hel index: -3.24 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 NO DATA | | | 1000 NO DATA | | | 1500 NO DATA | | | 2000 NO DATA | | | 2500 NO DATA | | | 3000 NO DATA | | | 4000 NO DATA | | | 5000 NO DATA | | | 6000 NO DATA | | | Wrote GIF file: /home/apache/climate/data/raob//X4172/skewt/X4172.skewt.20260112.12.gif