UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120900.upa.cvt Date: 0000Z 9 DEC 25 Searching for X4172... Searching the city database file for: X4172 ... Date:0000Z 9 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 1013 167 0.6 -1.5 86 2.1 -0.2 90 9 272.7 273.3 272.2 281.9 3.38 1 1000 270 -0.7 -2.5 88 1.8 -1.4 100 9 272.5 273.0 271.8 281.1 3.18 2 925 888 -5.1 -6.6 89 1.5 -5.6 125 13 274.1 274.5 271.8 281.0 2.52 3 918 948 -5.5 -7.1 88 1.6 -6.0 125 12 274.3 274.7 271.8 281.0 2.44 4 890 1191 -5.3 -8.4 79 3.1 -6.3 125 9 276.9 277.3 273.1 283.3 2.27 5 850 1550 -7.5 -10.4 80 2.9 -8.4 125 5 278.3 278.6 273.5 284.1 2.03 6 824 1791 -8.9 -11.5 81 2.6 -9.6 103 5 279.3 279.6 273.9 284.8 1.92 7 818 1848 -8.5 -11.0 82 2.5 -9.2 98 5 280.3 280.6 274.6 286.1 2.02 8 802 2001 -7.9 -12.1 72 4.2 -9.2 85 5 282.5 282.9 275.6 288.0 1.88 9 720 2839 -8.3 -24.3 26 16.0 -11.9 10 5 290.9 291.1 278.3 293.3 0.74 10 700 3057 -8.7 -26.7 22 18.0 -12.5 350 5 292.9 293.0 279.0 294.8 0.61 11 689 3180 -8.5 -25.5 24 17.0 -12.3 349 5 294.4 294.5 279.8 296.6 0.70 12 680 3281 -8.3 -18.3 44 10.0 -11.1 348 6 295.7 296.0 281.3 299.9 1.33 13 661 3500 -10.1 -18.1 52 8.0 -12.3 346 6 296.1 296.4 281.5 300.4 1.39 14 552 4868 -17.5 -36.5 17 19.0 -20.3 332 9 303.0 303.1 283.0 304.1 0.30 15 531 5157 -19.7 -35.7 23 16.0 -22.0 329 10 303.7 303.8 283.4 304.9 0.34 16 500 5600 -23.5 -37.5 26 14.0 -25.2 325 11 304.4 304.4 283.6 305.4 0.30 17 461 6185 -28.9 -35.9 51 7.0 -29.7 321 14 304.8 304.9 283.8 306.1 0.39 18 400 7180 -37.3 -44.3 48 7.0 -37.8 315 19 306.5 306.5 284.2 307.2 0.19 19 360 7899 -43.9 -49.9 51 6.0 -44.2 310 21 307.0 307.1 284.4 307.5 0.11 20 300 9100 -52.9 -57.9 55 5.0 -53.0 300 25 310.8 310.8 285.7 311.0 0.05 21 262 9966 -58.9 -63.8 53 4.9 -59.0 311 26 314.3 314.3 286.9 314.4 0.03 22 250 10260 -61.5 -66.3 53 4.8 -61.6 315 27 314.6 314.6 287.0 314.7 0.02 23 200 11600 -72.7 -77.6 47 4.9 -72.7 310 38 317.6 317.6 288.0 317.6 0.00 24 186 12033 -68.3 -73.3 49 5.0 -68.3 307 36 331.4 331.4 292.1 331.4 0.01 25 155 13140 -65.5 -70.2 52 4.7 -65.5 301 32 353.9 353.9 297.5 354.0 0.02 26 150 13340 -65.9 -70.7 51 4.8 -66.0 300 31 356.6 356.6 298.0 356.6 0.02 27 100 15780 -67.7 -72.7 49 5.0 -67.8 300 35 396.9 396.9 304.8 397.0 0.02 28 70 17920 -69.7 -74.7 48 5.0 -69.8 295 36 435.3 435.3 309.4 435.4 0.02 29 69 18006 -69.9 -75.9 41 6.0 -70.0 295 37 436.6 436.6 309.6 436.7 0.02 30 50 19930 -68.7 -74.7 42 6.0 -68.8 295 52 481.6 481.6 313.6 481.8 0.03 31 31 22775 -70.2 -77.1 35 6.9 -70.4 290 69 548.1 548.1 318.0 548.3 0.03 32 30 22970 -70.3 -77.3 35 7.0 -70.5 290 68 553.0 553.0 318.3 553.2 0.03 33 27 23596 -70.3 -77.3 35 7.0 -70.5 569.9 569.9 319.2 570.2 0.04 TRP 200 11600 -72.7 -77.6 47 4.9 -72.7 310 38 317.6 317.6 288.0 317.6 0.00 WND 31 22775 -70.2 -77.1 35 6.9 -70.4 290 69 548.1 548.1 318.0 548.3 0.03 Sounding variables and indices 1000-500 mb thick: 5330.00 m Freezing level: 1007.00 mb = 214.37 m = 703.29 ft Wetbulb zero: Below ground Precipitable water: 0.34 inches Sfc-500 mean rel hum: 51.25 % Est. max temperature: 5.72 C = 42.29 F Sfc-Lift cond lev (LCL): 980.29 mb = 427.77 m = 1403.44 ft T: -1.82 C 700-500 lapse rate: 5.82 C/km ThetaE index: 0.85 C Layer 1000.0- 890.0 mb Conv cond level (CCL): 927.34 mb = 867.94 m = 2847.54 ft Mean mixing ratio: 2.85 g/kg Conv temperature: 1.91 C = 35.43 F Cap Strength: 19.54 C Lifted Index: 19.55 C Risk: None Lifted Index @300 mb: 21.03 C Lifted Index @700 mb: 13.14 C Showalter Index: 17.26 C Risk: None Total Totals Index: 29.10 C Risk: None Vertical Totals Index: 16.00 C Cross Totals Index: 13.10 C K Index: -12.40 Risk: None Sweat Index: 21.00 Risk: None Energy Index: 4.57 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 6.26 J/kg Max Up Vert Vel: 3.54 m/s Conv Inhibition (B-): 42177.95 J/kg Cap Strength: 19.56 C Lift Cond Lev (LCL): 937.61 mb = 780.68 m = 2561.25 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 31 at 6 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 1013 167 90 9 -9.0 0.0 | 132 8 -5.9 5.2 1 1000 270 100 9 -8.9 1.6 | 140 9 -5.7 6.8 2 925 888 125 13 -10.6 7.5 | 149 15 -7.5 12.7 3 850 1550 125 5 -4.1 2.9 | 173 8 -1.0 8.1 4 700 3057 350 5 0.9 -4.9 | 266 4 4.0 0.3 5 500 5600 325 11 6.3 -9.0 | 292 10 9.4 -3.8 6 400 7180 315 19 13.4 -13.4 | 296 19 16.6 -8.2 7 300 9100 300 25 21.7 -12.5 | 286 26 24.8 -7.3 8 250 10260 315 27 19.1 -19.1 | 302 26 22.2 -13.9 9 200 11600 310 38 29.1 -24.4 | 301 38 32.2 -19.2 10 150 13340 300 31 26.8 -15.5 | 289 32 30.0 -10.3 11 100 15780 300 35 30.3 -17.5 | 290 36 33.5 -12.3 12 70 17920 295 36 32.6 -15.2 | 286 37 35.8 -10.0 13 50 19930 295 52 47.1 -22.0 | 288 53 50.3 -16.8 14 31 22775 290 69 64.8 -23.6 | 285 70 68.0 -18.4 15 30 22970 290 68 63.9 -23.3 | 285 69 67.0 -18.1 Wind Parameters Mean winds (0-6000m): 1.1 at 8.1 knts Storm direction: 31.1 at 6.1 knts Shear (0-3000m) pos: 1.0 neg: 2.4 tot: 3.4 10-3/s Storm rel Dir Shear (0-3000m): 137.8 deg Storm rel helicity (0-3000m) pos: 23.3 neg: -3.2 tot: 20.2 m^2/s^2 ave: 6.7 10^-3 m/s^2 rel: 0.32 Storm rel vorticity (0-3000m) horiz: 4.7 stream: 1.5 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.23 Bulk Shear: 27.63 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 ------------------------------------------------------------------------------- 500 106 10 141 10| 5.4 0.0 5.4| 5.5 0.0 5.5 10.9 0.40| 5.6 2.2 1000 116 11 146 12| 2.9 0.0 2.9| 14.7 0.0 14.7 14.7 0.44| 5.6 2.5 1500 118 10 151 11| 1.9 1.6 3.6| 21.9 -1.0 20.9 14.0 0.44| 5.6 2.4 2000 115 8 153 10| 1.4 2.0 3.5| 21.9 -3.2 18.8 9.4 0.28| 5.2 1.5 2500 109 8 152 9| 1.2 2.4 3.5| 22.7 -3.2 19.5 7.8 0.32| 5.0 1.6 3000 107 7 152 8| 1.0 2.4 3.4| 23.3 -3.2 20.2 6.7 0.32| 4.7 1.5 4000 83 7 138 6| 0.7 2.1 2.8| 25.4 -3.2 22.2 5.6 0.35| 3.9 1.3 5000 39 7 71 2| 0.6 2.0 2.6| 26.4 -3.2 23.2 4.6 0.33| 3.4 1.1 6000 1 8 314 4| 0.5 2.0 2.5| 28.5 -3.3 25.2 4.2 0.31| 3.2 1.0 Wrote GIF file: /home/apache/climate/data/raob//X4172/skewt/X4172.skewt.20251209.00.gif