UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120523.upa.cvt Date: 2300Z 5 DEC 25 Searching for BIKF... Searching the city database file for: BIKF ... Date:2300Z 5 DEC 25 Station: BIKF WMO ident: 4018 Latitude: 63.97 Longitude: -22.60 Elevation: 52.00 ------------------------------------------------------------------------------- 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 4 35 13 SFC 996 52 4.0 -1.0 70 5.0 1.9 35 13 277.5 278.1 275.2 287.3 3.56 2 985 140 5.6 -4.4 49 10.0 1.6 46 14 280.0 280.4 275.5 287.8 2.80 3 948 445 5.0 -3.0 56 8.0 1.7 82 17 282.4 283.0 277.4 291.6 3.23 4 925 640 3.6 -2.4 65 6.0 1.1 105 19 283.0 283.6 278.0 292.8 3.46 5 850 1320 -1.5 -4.4 81 2.9 -2.6 105 22 284.6 285.1 278.6 293.8 3.24 6 730 2514 -10.1 -10.3 98 0.2 -10.2 89 18 287.8 288.2 279.0 294.8 2.39 7 719 2631 -9.9 -14.9 67 5.0 -11.3 88 18 289.3 289.6 278.7 294.3 1.67 8 700 2837 -11.7 -15.0 76 3.3 -12.6 85 17 289.5 289.8 278.9 294.6 1.70 9 669 3182 -14.5 -14.9 97 0.4 -14.6 87 17 290.2 290.5 279.3 295.6 1.80 10 637 3552 -16.5 -18.8 82 2.3 -17.0 89 16 292.0 292.2 279.6 296.2 1.36 11 632 3612 -16.7 -20.8 70 4.1 -17.6 90 16 292.4 292.6 279.6 296.0 1.15 12 630 3635 -16.3 -23.3 55 7.0 -17.7 90 16 293.1 293.3 279.6 296.1 0.93 13 624 3708 -16.5 -27.5 38 11.0 -18.5 90 16 293.7 293.8 279.4 295.8 0.64 14 611 3866 -16.9 -29.9 31 13.0 -19.1 91 16 295.0 295.1 279.9 296.7 0.52 15 556 4568 -21.7 -33.7 33 12.0 -23.4 95 16 297.4 297.5 280.8 298.7 0.40 16 531 4905 -24.3 -39.3 24 15.0 -25.9 97 15 298.2 298.3 280.9 299.1 0.24 17 500 5340 -28.3 -39.3 34 11.0 -29.4 100 15 298.5 298.6 281.1 299.4 0.25 18 462 5899 -33.5 -40.5 49 7.0 -34.1 116 14 298.9 298.9 281.2 299.7 0.24 19 441 6223 -36.1 -45.1 39 9.0 -36.7 125 13 299.6 299.6 281.4 300.1 0.15 20 400 6890 -42.1 -45.6 69 3.5 -42.3 145 11 300.3 300.3 281.7 300.8 0.16 21 387 7113 -44.1 -46.4 78 2.3 -44.2 158 11 300.5 300.5 281.8 301.0 0.15 22 384 7165 -44.5 -50.5 51 6.0 -44.7 161 11 300.6 300.7 281.7 301.0 0.10 23 372 7377 -46.5 -48.7 78 2.2 -46.6 174 11 300.7 300.8 281.8 301.2 0.12 24 335 8066 -50.5 -59.5 34 9.0 -50.7 216 11 304.4 304.4 283.2 304.6 0.04 25 325 8263 -52.1 -58.1 48 6.0 -52.2 228 11 304.9 304.9 283.4 305.0 0.05 26 320 8364 -52.1 -63.1 25 11.0 -52.3 234 11 306.2 306.2 283.9 306.3 0.02 27 300 8780 -53.9 -67.9 16 14.0 -54.1 260 11 309.4 309.4 285.1 309.4 0.01 28 292 8953 -54.5 -70.5 12 16.0 -54.7 264 12 310.9 310.9 285.7 311.0 0.01 29 279 9245 -55.1 -70.1 14 15.0 -55.3 272 15 314.1 314.1 286.8 314.2 0.01 30 258 9742 -57.7 -63.7 46 6.0 -57.8 285 18 317.4 317.4 287.9 317.5 0.03 31 250 9940 -58.7 -66.7 35 8.0 -58.8 290 20 318.8 318.8 288.3 318.9 0.02 32 244 10092 -59.3 -67.3 35 8.0 -59.4 290 23 320.1 320.1 288.8 320.2 0.02 33 200 11330 -59.9 -79.9 6 20.0 -60.0 280 19 337.9 337.9 293.8 337.9 0.00 34 182 11920 -57.9 -81.9 3 24.0 -58.1 277 21 350.4 350.4 296.7 350.4 0.00 35 150 13130 -60.3 -84.3 3 24.0 -60.5 270 26 366.2 366.2 299.9 366.2 0.00 36 100 15650 -62.5 -86.5 3 24.0 -62.7 285 33 407.0 407.0 306.1 407.0 0.00 37 70 17840 -65.3 -88.3 3 23.0 -65.5 285 42 444.7 444.7 310.3 444.7 0.00 38 50 19870 -66.7 -89.7 3 23.0 -67.0 285 43 486.3 486.3 314.0 486.3 0.00 39 30 22930 -70.3 -92.3 3 22.0 -70.5 310 52 553.0 553.0 318.3 553.0 0.00 40 28 23340 -71.3 -92.3 3 21.0 -71.5 313 53 561.2 561.2 318.7 561.2 0.00 41 20 25350 -67.9 -91.9 2 24.0 -68.4 330 59 628.3 628.3 321.8 628.4 0.00 42 12 28390 -72.1 -95.1 2 23.0 -72.6 712.3 712.3 324.8 712.3 0.00 TRP 244 10092 -59.3 -67.3 35 8.0 -59.4 290 23 320.1 320.1 288.8 320.2 0.02 WND Sounding variables and indices 1000-500 mb thick: 5336.00 m Freezing level: 872.06 mb = 1120.00 m = 3674.50 ft Wetbulb zero: 903.34 mb = 830.54 m = 2724.82 ft Precipitable water: 0.43 inches Sfc-500 mean rel hum: 63.06 % Est. max temperature: 11.20 C = 52.17 F Sfc-Lift cond lev (LCL): 921.92 mb = 666.82 m = 2187.71 ft T: 3.40 C 700-500 lapse rate: 6.63 C/km ThetaE index: 0.52 C Layer 719.0- 700.0 mb Conv cond level (CCL): 793.75 mb = 1857.02 m = 6092.50 ft Mean mixing ratio: 3.23 g/kg Conv temperature: 12.59 C = 54.66 F Cap Strength: 7.38 C Lifted Index: 7.13 C Risk: None Lifted Index @300 mb: 13.05 C Lifted Index @700 mb: 3.22 C Showalter Index: 5.08 C Risk: None Total Totals Index: 50.70 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 26.80 C Cross Totals Index: 23.90 C K Index: 19.10 Risk: < 20 % chance of thunderstorms Sweat Index: 93.00 Risk: None Energy Index: 1.15 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 17.70 J/kg Max Up Vert Vel: 5.95 m/s Conv Inhibition (B-): 53070.24 J/kg Cap Strength: 7.35 C Lift Cond Lev (LCL): 844.07 mb = 1374.88 m = 4510.70 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 126 at 13 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 ---------------------------------------------------------- 0 996 52 35 13 -7.5 -10.6 | 351 18 3.0 -18.1 1 925 640 105 19 -18.4 4.9 | 72 8 -7.9 -2.6 2 850 1320 105 22 -21.3 5.7 | 81 11 -10.8 -1.8 3 700 2837 85 17 -16.9 -1.5 | 36 11 -6.5 -9.0 4 500 5340 100 15 -14.8 2.6 | 42 7 -4.3 -4.9 5 400 6890 145 11 -6.3 9.0 | 250 4 4.1 1.5 6 300 8780 260 11 10.8 1.9 | 285 22 21.3 -5.6 7 250 9940 290 20 18.8 -6.8 | 296 33 29.2 -14.3 8 244 10092 290 23 21.6 -7.9 | 296 36 32.0 -15.4 9 200 11330 280 19 18.7 -3.3 | 290 31 29.1 -10.8 10 150 13130 270 26 26.0 -0.0 | 282 37 36.4 -7.5 11 100 15650 285 33 31.9 -8.5 | 291 45 42.3 -16.0 12 70 17840 285 42 40.6 -10.9 | 290 54 51.0 -18.4 13 50 19870 285 43 41.5 -11.1 | 290 55 52.0 -18.6 14 30 22930 310 52 39.8 -33.4 | 309 65 50.3 -40.9 15 20 25350 330 59 29.5 -51.1 | 326 71 39.9 -58.6 Wind Parameters Mean winds (0-6000m): 95.7 at 17.1 knts Storm direction: 125.7 at 12.8 knts Shear (0-3000m) pos: 3.5 neg: 1.2 tot: 4.8 10-3/s Storm rel Dir Shear (0-3000m): 45.9 deg Storm rel helicity (0-3000m) pos: 65.3 neg: -23.7 tot: 41.6 m^2/s^2 ave: 13.9 10^-3 m/s^2 rel: 0.34 Storm rel vorticity (0-3000m) horiz: 5.5 stream: 1.9 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 2.75 Bulk Shear: 6.44 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 72 16 19 13| 16.5 0.0 16.5| 54.1 0.0 54.1 108.3 0.86| 17.5 15.0 1000 91 18 45 10| 10.5 0.0 10.5| 63.9 0.0 63.9 63.9 0.84| 11.5 9.6 1500 97 19 58 10| 7.0 0.4 7.4| 65.0 -3.6 61.4 40.9 0.73| 8.4 6.1 2000 97 19 60 10| 5.3 0.9 6.2| 65.0 -11.7 53.3 26.6 0.55| 7.1 3.9 2500 97 19 58 10| 4.2 1.3 5.5| 65.0 -19.4 45.5 18.2 0.41| 6.2 2.5 3000 95 19 55 10| 3.5 1.2 4.8| 65.3 -23.7 41.6 13.9 0.34| 5.5 1.9 4000 94 18 51 10| 2.7 0.9 3.7| 66.4 -23.7 42.8 10.7 0.34| 4.4 1.5 5000 94 18 49 10| 2.3 0.7 3.0| 67.0 -23.7 43.4 8.7 0.33| 3.7 1.2 6000 96 17 49 9| 2.1 0.6 2.8| 67.9 -23.7 44.3 7.4 0.30| 3.6 1.1 Wrote GIF file: /home/apache/climate/data/raob//BIKF/skewt/BIKF.skewt.20251205.23.gif