UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120400.upa.cvt Date: 0000Z 4 DEC 25 Searching for X4172... Searching the city database file for: X4172 ... Date:0000Z 4 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 1012 164 -0.7 -3.9 79 3.2 -1.9 320 3 271.5 272.0 270.7 279.2 2.83 1 1000 259 -1.3 -5.2 75 3.9 -2.7 345 3 271.9 272.3 270.5 278.9 2.59 2 970 501 -1.9 -5.9 74 4.0 -3.3 359 8 273.6 274.0 271.5 280.6 2.53 3 925 876 -5.3 -8.4 79 3.1 -6.3 20 15 273.9 274.3 271.1 280.0 2.19 4 903 1065 -6.9 -9.2 84 2.3 -7.6 0 13 274.1 274.5 271.1 280.0 2.11 5 897 1117 -4.1 -6.4 84 2.3 -4.9 355 13 277.5 278.0 274.0 284.9 2.64 6 883 1243 3.6 -2.4 65 6.0 1.0 342 12 286.8 287.4 280.1 297.2 3.63 7 850 1552 3.0 -16.0 23 19.0 -3.0 310 9 289.3 289.5 278.2 293.2 1.29 8 801 2030 1.0 -16.0 27 17.0 -4.4 301 7 292.1 292.4 279.7 296.3 1.37 9 700 3098 -6.1 -24.1 23 18.0 -10.5 280 1 295.7 295.9 280.6 298.2 0.78 10 651 3660 -9.9 -25.9 26 16.0 -13.5 307 1 297.6 297.8 281.3 299.9 0.71 11 616 4084 -11.7 -29.7 21 18.0 -15.2 327 1 300.3 300.4 282.2 302.1 0.53 12 530 5213 -20.9 -32.9 33 12.0 -22.7 23 1 302.5 302.6 283.0 304.0 0.45 13 500 5640 -23.9 -39.9 21 16.0 -25.7 45 1 303.9 303.9 283.3 304.7 0.24 14 494 5728 -24.3 -40.3 21 16.0 -26.1 48 2 304.5 304.5 283.5 305.3 0.23 15 475 6013 -26.3 -42.3 21 16.0 -27.9 59 3 305.4 305.5 283.8 306.1 0.19 16 400 7230 -37.3 -51.3 22 14.0 -38.0 105 11 306.5 306.5 284.1 306.8 0.08 17 317 8793 -50.9 -61.9 26 11.0 -51.1 109 16 308.7 308.7 284.9 308.8 0.03 18 307 9001 -52.5 -63.5 25 11.0 -52.7 110 17 309.3 309.3 285.1 309.4 0.02 19 300 9150 -53.5 -64.5 25 11.0 -53.7 110 17 309.9 309.9 285.3 310.0 0.02 20 250 10300 -61.5 -71.5 25 10.0 -61.6 110 21 314.6 314.6 287.0 314.7 0.01 21 232 10758 -64.7 -74.7 24 10.0 -64.8 95 25 316.6 316.6 287.6 316.6 0.01 22 227 10890 -64.9 -74.9 24 10.0 -65.0 94 23 318.2 318.2 288.2 318.3 0.01 23 220 11080 -64.1 -74.1 24 10.0 -64.1 93 21 322.3 322.3 289.5 322.4 0.01 24 210 11363 -65.9 -75.9 24 10.0 -66.0 92 17 323.8 323.8 289.9 323.9 0.01 25 201 11629 -63.1 -73.1 25 10.0 -63.2 90 13 332.4 332.4 292.4 332.4 0.01 26 200 11660 -63.1 -73.1 25 10.0 -63.2 90 13 332.8 332.8 292.5 332.9 0.01 27 154 13276 -60.9 -70.9 26 10.0 -61.0 341 4 362.4 362.4 299.2 362.5 0.02 28 150 13440 -61.1 -71.1 25 10.0 -61.2 330 3 364.8 364.8 299.7 364.9 0.02 29 100 15940 -63.3 -74.3 21 11.0 -63.4 300 19 405.4 405.4 305.9 405.5 0.02 30 70 18120 -64.7 -75.7 21 11.0 -64.9 295 19 446.0 446.0 310.5 446.1 0.02 31 50 20160 -67.1 -79.1 17 12.0 -67.3 280 23 485.4 485.4 313.9 485.5 0.02 32 44 20931 -66.9 -78.9 17 12.0 -67.1 283 26 503.9 503.9 315.2 504.0 0.02 33 30 23220 -71.1 -83.1 15 12.0 -71.3 290 36 550.8 550.8 318.1 550.9 0.01 34 25 24294 -74.3 -86.3 14 12.0 -74.5 286 40 571.1 571.1 319.2 571.2 0.01 35 20 25590 -76.3 -88.3 13 12.0 -76.4 280 46 602.6 602.6 320.7 602.7 0.01 36 17 26522 -78.3 -90.3 13 12.0 -78.4 624.9 624.9 321.7 624.9 0.01 TRP 232 10758 -64.7 -74.7 24 10.0 -64.8 95 25 316.6 316.6 287.6 316.6 0.01 WND Sounding variables and indices 1000-500 mb thick: 5381.00 m Freezing level: Surface below freezing Freezing level: 889.55 mb = 1184.11 m = 3884.84 ft Freezing level: 786.77 mb = 2180.65 m = 7154.27 ft Wetbulb zero: Below ground Precipitable water: 0.28 inches Sfc-500 mean rel hum: 36.44 % Est. max temperature: 16.20 C = 61.15 F Sfc-Lift cond lev (LCL): 962.53 mb = 562.15 m = 1844.32 ft T: -2.45 C 700-500 lapse rate: 7.00 C/km ThetaE index: 3.97 C Layer 850.0- 801.0 mb Conv cond level (CCL): 609.45 mb = 4164.22 m = 13661.98 ft Mean mixing ratio: 2.43 g/kg Conv temperature: 28.36 C = 83.04 F Cap Strength: 19.36 C Lifted Index: 20.08 C Risk: None Lifted Index @300 mb: 21.25 C Lifted Index @700 mb: 16.61 C Showalter Index: 9.95 C Risk: None Total Totals Index: 34.80 C Risk: None Vertical Totals Index: 26.90 C Cross Totals Index: 7.90 C K Index: -7.10 Risk: None Sweat Index: 19.00 Risk: None Energy Index: 2.45 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 9.84 J/kg Max Up Vert Vel: 4.44 m/s Conv Inhibition (B-): 52945.50 J/kg Cap Strength: 19.89 C Lift Cond Lev (LCL): 908.38 mb = 1018.09 m = 3340.14 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 16 at 3 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 1012 164 320 3 1.9 -2.3 | 256 3 2.8 0.7 1 1000 259 345 3 0.8 -2.9 | 266 2 1.7 0.1 2 925 876 20 15 -5.1 -14.1 | 21 12 -4.3 -11.1 3 850 1552 310 9 6.9 -5.8 | 290 8 7.8 -2.8 4 700 3098 280 1 1.0 -0.2 | 213 3 1.9 2.8 5 500 5640 45 1 -0.7 -0.7 | 184 2 0.2 2.3 6 400 7230 105 11 -10.6 2.8 | 121 11 -9.7 5.9 7 300 9150 110 17 -16.0 5.8 | 120 17 -15.1 8.8 8 250 10300 110 21 -19.7 7.2 | 118 21 -18.9 10.2 9 232 10758 95 25 -24.9 2.2 | 102 25 -24.0 5.2 10 200 11660 90 13 -13.0 0.0 | 104 12 -12.1 3.0 11 150 13440 330 3 1.5 -2.6 | 260 2 2.4 0.4 12 100 15940 300 19 16.5 -9.5 | 291 19 17.3 -6.5 13 70 18120 295 19 17.2 -8.0 | 285 19 18.1 -5.0 14 50 20160 280 23 22.7 -4.0 | 272 24 23.5 -1.0 15 30 23220 290 36 33.8 -12.3 | 285 36 34.7 -9.3 16 20 25590 280 46 45.3 -8.0 | 276 46 46.2 -5.0 Wind Parameters Mean winds (0-6000m): 346.2 at 4.2 knts Storm direction: 16.2 at 3.1 knts Shear (0-3000m) pos: 1.6 neg: 1.9 tot: 3.4 10-3/s Storm rel Dir Shear (0-3000m): -42.0 deg Storm rel helicity (0-3000m) pos: 12.4 neg: -49.1 tot: -36.7 m^2/s^2 ave: -12.2 10^-3 m/s^2 rel: -0.35 Storm rel vorticity (0-3000m) horiz: 6.6 stream: -2.3 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 13.40 Bulk Shear: 0.73 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 0 6 345 3| 9.4 0.0 9.4| 5.8 0.0 5.8 11.5 0.62| 10.1 6.2 1000 10 10 7 7| 4.7 2.0 6.7| 12.4 -19.8 -7.4 -7.4 0.07| 11.2 0.8 1500 360 10 352 7| 3.1 3.4 6.5| 12.4 -40.0 -27.6 -18.4 -0.23| 10.5 -2.4 2000 349 9 337 7| 2.4 2.7 5.0| 12.4 -44.0 -31.6 -15.8 -0.28| 8.6 -2.4 2500 343 8 327 6| 1.9 2.2 4.1| 12.4 -47.0 -34.6 -13.8 -0.32| 7.5 -2.4 3000 342 7 321 5| 1.6 1.9 3.4| 12.4 -49.1 -36.7 -12.2 -0.35| 6.6 -2.3 4000 340 6 310 4| 1.3 1.4 2.7| 12.5 -49.1 -36.7 -9.2 -0.34| 5.1 -1.7 5000 341 5 301 3| 1.1 1.1 2.2| 12.5 -49.6 -37.1 -7.4 -0.35| 4.1 -1.5 6000 346 4 299 2| 1.1 0.9 2.0| 12.5 -51.4 -38.9 -6.5 -0.39| 3.8 -1.5 Wrote GIF file: /home/apache/climate/data/raob//X4172/skewt/X4172.skewt.20251204.00.gif