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 X0935... Searching the city database file for: X0935 ... Date:0000Z 4 DEC 25 Station: X0935 WMO ident: 30935 Latitude: 50.37 Longitude: 108.75 ------------------------------------------------------------------------------- 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 253 SFC 931 773 -27.5 -29.7 81 2.2 -27.7 0 0 250.7 250.8 250.1 251.7 0.35 2 925 820 -26.3 -28.6 81 2.3 -26.5 5 1 252.4 252.5 251.7 253.5 0.39 3 870 1275 -14.5 -16.4 85 1.9 -14.9 267 11 269.2 269.4 266.4 272.6 1.22 4 852 1434 -13.1 -15.0 86 1.9 -13.5 234 15 272.2 272.5 268.8 276.2 1.40 5 850 1452 -13.1 -15.1 85 2.0 -13.6 230 15 272.4 272.7 268.9 276.3 1.39 6 827 1660 -13.9 -16.6 80 2.7 -14.5 242 16 273.7 273.9 269.5 277.3 1.26 7 817 1753 -13.3 -16.2 79 2.9 -14.0 247 17 275.3 275.5 270.6 279.1 1.32 8 802 1894 -11.7 -15.4 74 3.7 -12.6 255 18 278.5 278.7 272.7 282.6 1.44 9 757 2333 -14.7 -21.7 55 7.0 -16.1 281 21 279.9 280.0 272.6 282.5 0.89 10 728 2628 -13.7 -22.7 47 9.0 -15.5 298 23 284.1 284.3 274.9 286.7 0.85 11 722 2691 -14.3 -23.3 46 9.0 -16.1 301 23 284.1 284.3 274.9 286.6 0.81 12 700 2925 -15.3 -22.3 55 7.0 -16.7 315 25 285.5 285.7 275.8 288.3 0.91 13 650 3484 -15.3 -18.8 75 3.5 -16.2 318 27 291.7 291.9 279.4 295.7 1.33 14 634 3672 -15.9 -20.2 69 4.3 -16.9 319 28 293.1 293.3 279.9 296.8 1.21 15 555 4659 -24.1 -32.1 48 8.0 -25.2 325 32 294.7 294.8 279.7 296.3 0.47 16 500 5410 -30.3 -37.3 50 7.0 -31.0 330 35 296.1 296.2 280.1 297.1 0.31 17 416 6693 -40.7 -48.7 42 8.0 -41.1 330 44 298.7 298.7 281.0 299.1 0.11 18 400 6960 -41.9 -49.9 41 8.0 -42.2 330 46 300.5 300.6 281.7 300.9 0.10 19 378 7340 -44.3 -52.3 41 8.0 -44.6 332 47 302.3 302.3 282.4 302.6 0.08 20 357 7719 -49.1 -57.1 39 8.0 -49.3 334 48 300.8 300.8 281.7 301.0 0.05 21 309 8652 -54.9 -62.9 36 8.0 -55.0 339 51 305.4 305.4 283.6 305.5 0.03 22 300 8840 -56.7 -64.7 36 8.0 -56.8 340 52 305.4 305.4 283.6 305.5 0.02 23 283 9206 -60.7 -68.7 34 8.0 -60.7 338 53 304.8 304.8 283.4 304.9 0.01 24 250 9970 -65.1 -73.1 32 8.0 -65.1 335 54 309.3 309.3 285.1 309.3 0.01 25 225 10604 -69.1 -77.1 30 8.0 -69.1 345 56 312.6 312.6 286.2 312.6 0.00 26 207 11109 -63.1 -71.1 33 8.0 -63.1 327 50 329.6 329.6 291.6 329.6 0.01 27 200 11320 -63.3 -71.3 33 8.0 -63.4 320 48 332.5 332.5 292.4 332.6 0.01 28 175 12139 -64.5 -72.5 32 8.0 -64.6 313 53 343.5 343.5 295.1 343.5 0.01 29 150 13090 -60.9 -68.9 34 8.0 -61.0 305 58 365.2 365.2 299.7 365.3 0.02 30 129 14032 -58.3 -66.3 35 8.0 -58.5 303 55 385.9 385.9 303.2 386.1 0.04 31 112 14915 -61.3 -69.3 34 8.0 -61.4 301 52 396.2 396.2 304.7 396.4 0.03 32 100 15620 -59.7 -68.7 30 9.0 -59.9 300 50 412.4 412.4 306.8 412.6 0.04 33 90 16276 -58.9 -68.9 26 10.0 -59.2 296 48 426.6 426.6 308.5 426.8 0.04 34 70 17830 -63.3 -74.3 21 11.0 -63.5 285 42 449.0 449.0 310.8 449.1 0.02 35 66 18191 -64.9 -75.9 21 11.0 -65.1 285 44 453.1 453.1 311.1 453.2 0.02 36 60 18779 -61.5 -73.5 19 12.0 -61.9 285 47 473.2 473.2 312.9 473.4 0.03 37 51 19779 -65.7 -77.7 17 12.0 -66.0 285 53 485.9 485.9 313.9 486.0 0.02 38 50 19900 -65.3 -77.3 17 12.0 -65.5 285 54 489.6 489.6 314.2 489.7 0.02 39 46 20409 -62.9 -74.9 18 12.0 -63.3 283 55 507.2 507.2 315.5 507.4 0.03 40 30 23030 -63.5 -77.5 13 14.0 -64.0 275 58 571.5 571.5 319.2 571.8 0.03 41 23 24662 -63.3 -78.3 11 15.0 -64.0 617.2 617.3 321.4 617.5 0.04 TRP 225 10604 -69.1 -77.1 30 8.0 -69.1 345 56 312.6 312.6 286.2 312.6 0.00 WND Sounding variables and indices 1000-500 mb thick: 5157.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.17 inches Sfc-500 mean rel hum: 63.42 % Est. max temperature: 0.32 C = 32.58 F Sfc-Lift cond lev (LCL): 897.21 mb = 1046.36 m = 3432.89 ft T: -20.43 C 700-500 lapse rate: 6.04 C/km ThetaE index: 0.11 C Layer 757.0- 728.0 mb Conv cond level (CCL): 931.00 mb = 772.89 m = 2535.70 ft Mean mixing ratio: 0.99 g/kg Conv temperature: -18.07 C = -0.52 F Cap Strength: 23.28 C Lifted Index: 23.59 C Risk: None Lifted Index @300 mb: 26.89 C Lifted Index @700 mb: 17.26 C Showalter Index: 16.50 C Risk: None Total Totals Index: 32.40 C Risk: None Vertical Totals Index: 17.20 C Cross Totals Index: 15.20 C K Index: -4.90 Risk: None Sweat Index: 65.00 Risk: None Energy Index: 4.46 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 93.14 J/kg Max Up Vert Vel: 13.65 m/s Conv Inhibition (B-): 49764.55 J/kg Cap Strength: 23.55 C Lift Cond Lev (LCL): 868.15 mb = 1291.12 m = 4235.91 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 349 at 21 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 ---------------------------------------------------------- 0 931 773 0 0 -0.0 -0.0 | 169 21 -3.9 20.2 1 925 820 5 1 -0.1 -1.0 | 168 20 -3.9 19.2 2 850 1452 230 15 11.5 9.6 | 194 31 7.6 29.9 3 700 2925 315 25 17.7 -17.7 | 260 14 13.8 2.5 4 500 5410 330 35 17.5 -30.3 | 306 17 13.6 -10.1 5 400 6960 330 46 23.0 -39.8 | 316 27 19.1 -19.6 6 300 8840 340 52 17.8 -48.9 | 334 32 13.9 -28.7 7 250 9970 335 54 22.8 -48.9 | 327 34 19.0 -28.7 8 225 10604 345 56 14.5 -54.1 | 343 36 10.6 -33.9 9 200 11320 320 48 30.9 -36.8 | 302 32 27.0 -16.6 10 150 13090 305 58 47.5 -33.3 | 287 46 43.7 -13.1 11 100 15620 300 50 43.3 -25.0 | 277 40 39.4 -4.8 12 70 17830 285 42 40.6 -10.9 | 256 38 36.7 9.3 13 50 19900 285 54 52.2 -14.0 | 263 49 48.3 6.2 14 30 23030 275 58 57.8 -5.1 | 254 56 53.9 15.2 Wind Parameters Mean winds (0-6000m): 319.2 at 27.4 knts Storm direction: 349.2 at 20.6 knts Shear (0-3000m) pos: 4.8 neg: 2.9 tot: 7.8 10-3/s Storm rel Dir Shear (0-3000m): 107.1 deg Storm rel helicity (0-3000m) pos: 219.6 neg: -15.9 tot: 203.7 m^2/s^2 ave: 67.9 10^-3 m/s^2 rel: 0.61 Storm rel vorticity (0-3000m) horiz: 10.3 stream: 6.3 10^-3/s Energy-Hel index: 0.11 Bulk Rich Number: 1.23 Bulk Shear: 75.53 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 ------------------------------------------------------------------------------- 500 274 5 185 20| 0.0 11.4 11.4| 41.6 -0.9 40.6 81.3 0.58| 16.0 9.2 1000 237 10 190 26| 0.0 8.8 8.8| 81.5 -15.9 65.6 65.6 0.40| 15.5 6.2 1500 251 13 199 26| 3.4 5.9 9.3|143.6 -15.9 127.7 85.1 0.51| 13.8 7.1 2000 270 15 210 23| 5.3 4.4 9.7|192.2 -15.9 176.3 88.1 0.57| 13.4 7.6 2500 286 17 219 20| 5.3 3.5 8.8|210.3 -15.9 194.4 77.8 0.60| 11.8 7.1 3000 295 19 227 18| 4.8 2.9 7.8|219.6 -15.9 203.7 67.9 0.61| 10.3 6.3 4000 307 22 242 15| 4.3 2.2 6.5|239.4 -15.9 223.5 55.9 0.64| 8.4 5.4 5000 315 24 258 14| 4.0 1.8 5.8|257.8 -15.9 241.9 48.4 0.65| 7.3 4.7 6000 319 27 272 14| 3.3 1.7 5.0|270.5 -15.9 254.6 42.4 0.61| 6.7 4.1 Wrote GIF file: /home/apache/climate/data/raob//X0935/skewt/X0935.skewt.20251204.00.gif