UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120611.upa.cvt Date: 1100Z 6 DEC 25 Searching for BIKF... Searching the city database file for: BIKF ... Date:1100Z 6 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 14 40 4 SFC 997 52 2.4 -0.3 82 2.7 1.3 40 4 275.8 276.4 274.6 286.0 3.75 2 989 116 6.0 -5.0 45 11.0 1.7 44 6 280.0 280.5 275.4 287.6 2.66 3 988 124 6.0 -5.0 45 11.0 1.7 45 7 280.1 280.6 275.5 287.6 2.66 4 979 197 6.6 -5.4 42 12.0 1.9 50 10 281.5 281.9 276.1 288.9 2.61 5 935 565 3.8 -4.2 56 8.0 0.6 74 24 282.3 282.8 277.0 290.8 2.99 6 925 650 3.8 -5.2 52 9.0 0.3 80 27 283.2 283.7 277.3 291.2 2.80 7 886 999 2.6 -8.4 44 11.0 -1.4 85 21 285.5 285.9 277.7 292.1 2.29 8 850 1332 -0.3 -10.3 47 10.0 -3.7 90 15 285.8 286.2 277.6 291.8 2.05 9 801 1804 -4.5 -11.5 58 7.0 -6.8 88 15 286.3 286.6 277.7 292.1 1.98 10 732 2506 -10.1 -17.1 57 7.0 -11.9 86 16 287.6 287.8 277.5 291.7 1.37 11 700 2850 -11.5 -23.5 36 12.0 -14.1 85 16 289.7 289.9 277.8 292.3 0.82 12 673 3150 -13.9 -20.9 55 7.0 -15.5 82 16 290.3 290.5 278.4 293.7 1.07 13 670 3184 -13.3 -30.3 23 17.0 -16.3 82 17 291.4 291.5 278.1 292.9 0.46 14 665 3241 -13.5 -23.5 43 10.0 -15.6 81 17 291.8 291.9 278.9 294.5 0.86 15 660 3298 -13.9 -29.9 25 16.0 -16.7 81 17 292.0 292.0 278.4 293.5 0.48 16 658 3321 -14.1 -24.1 42 10.0 -16.2 80 17 292.0 292.1 278.9 294.6 0.83 17 654 3368 -14.3 -26.3 35 12.0 -16.6 80 17 292.3 292.4 278.8 294.4 0.68 18 631 3638 -15.7 -36.7 15 21.0 -18.7 77 17 293.7 293.7 278.9 294.6 0.26 19 606 3941 -18.3 -25.3 54 7.0 -19.6 74 18 294.1 294.2 279.8 296.7 0.81 20 547 4698 -23.5 -33.5 39 10.0 -24.8 67 19 296.7 296.7 280.5 298.0 0.41 21 536 4847 -23.5 -42.5 16 19.0 -25.4 65 19 298.4 298.4 280.9 299.0 0.17 22 500 5350 -28.3 -43.3 22 15.0 -29.6 60 20 298.5 298.6 281.0 299.1 0.17 23 419 6593 -39.1 -51.1 27 12.0 -39.6 44 16 300.2 300.2 281.5 300.5 0.08 24 400 6910 -41.1 -54.1 23 13.0 -41.6 40 15 301.6 301.6 282.1 301.8 0.06 25 379 7275 -42.5 -68.5 4 26.0 -43.0 27 18 304.4 304.4 283.2 304.5 0.01 26 338 8038 -47.5 -66.5 10 19.0 -47.9 359 23 307.7 307.7 284.5 307.8 0.01 27 319 8419 -48.5 -62.5 18 14.0 -48.8 345 26 311.5 311.5 285.9 311.6 0.03 28 317 8460 -48.5 -63.5 16 15.0 -48.8 343 26 312.0 312.0 286.1 312.1 0.02 29 300 8820 -50.9 -60.9 30 10.0 -51.1 330 29 313.6 313.6 286.6 313.7 0.04 30 256 9832 -58.7 -65.7 40 7.0 -58.8 317 36 316.6 316.6 287.6 316.7 0.02 31 250 9980 -59.5 -66.5 40 7.0 -59.6 315 37 317.6 317.6 288.0 317.7 0.02 32 227 10580 -62.3 -67.3 51 5.0 -62.3 305 33 322.2 322.2 289.5 322.3 0.02 33 216 10888 -60.3 -78.3 8 18.0 -60.4 299 26 329.9 329.9 291.7 329.9 0.00 34 207 11154 -58.9 -78.9 6 20.0 -59.0 294 20 336.2 336.2 293.4 336.2 0.00 35 200 11370 -59.1 -79.1 6 20.0 -59.3 290 15 339.2 339.2 294.1 339.2 0.00 36 184 11890 -60.7 -81.7 5 21.0 -60.9 274 16 344.8 344.8 295.4 344.8 0.00 37 160 12764 -57.7 -82.7 3 25.0 -57.9 247 19 363.9 363.9 299.4 363.9 0.00 38 150 13170 -58.3 -83.3 3 25.0 -58.5 235 20 369.6 369.6 300.5 369.6 0.00 39 100 15700 -61.7 -85.7 3 24.0 -61.9 270 35 408.5 408.5 306.3 408.5 0.00 40 76 17389 -66.1 -88.1 3 22.0 -66.2 274 36 432.7 432.7 309.1 432.7 0.00 41 70 17890 -65.7 -87.7 3 22.0 -65.9 275 36 443.8 443.8 310.3 443.8 0.00 42 62 18628 -64.3 -88.3 2 24.0 -64.6 279 36 462.6 462.6 312.0 462.6 0.00 43 52 19693 -67.3 -89.3 3 22.0 -67.5 284 36 479.5 479.5 313.4 479.5 0.00 44 50 19930 -66.3 -89.3 3 23.0 -66.5 285 36 487.2 487.2 314.0 487.3 0.00 45 40 21284 -64.7 -88.7 2 24.0 -65.1 292 41 523.4 523.4 316.5 523.4 0.00 46 37 21756 -68.1 -90.1 3 22.0 -68.4 294 43 526.4 526.4 316.7 526.5 0.00 47 30 23010 -69.1 -91.1 3 22.0 -69.4 300 48 556.3 556.3 318.5 556.3 0.00 48 25 24095 -70.7 -91.7 3 21.0 -71.0 309 54 581.4 581.4 319.8 581.5 0.00 49 20 25420 -70.1 -92.1 3 22.0 -70.5 320 61 621.6 621.6 321.6 621.6 0.00 50 18 26045 -68.9 -91.9 2 23.0 -69.4 320 66 644.4 644.4 322.4 644.4 0.00 51 10 29510 -73.5 -94.5 3 21.0 -73.9 320 91 745.2 745.2 325.8 745.2 0.00 52 8.3 30603 -72.1 -94.1 2 22.0 -72.8 791.5 791.5 327.0 791.5 0.01 53 7.9 30897 -67.9 -92.9 2 25.0 -69.1 819.5 819.5 327.7 819.6 0.01 TRP 227 10580 -62.3 -67.3 51 5.0 -62.3 305 33 322.2 322.2 289.5 322.3 0.02 WND Sounding variables and indices 1000-500 mb thick: 5336.00 m Freezing level: 853.72 mb = 1297.52 m = 4256.91 ft Wetbulb zero: 919.17 mb = 701.21 m = 2300.53 ft Precipitable water: 0.30 inches Sfc-500 mean rel hum: 43.27 % Est. max temperature: 12.46 C = 54.43 F Sfc-Lift cond lev (LCL): 956.05 mb = 386.77 m = 1268.93 ft T: 5.16 C 700-500 lapse rate: 6.72 C/km ThetaE index: 0.36 C Layer 732.0- 700.0 mb Conv cond level (CCL): 757.61 mb = 2237.93 m = 7342.18 ft Mean mixing ratio: 2.77 g/kg Conv temperature: 13.70 C = 56.66 F Cap Strength: 8.30 C Lifted Index: 7.89 C Risk: None Lifted Index @300 mb: 16.73 C Lifted Index @700 mb: 4.07 C Showalter Index: 6.54 C Risk: None Total Totals Index: 46.00 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 28.00 C Cross Totals Index: 18.00 C K Index: 5.70 Risk: None Sweat Index: 50.00 Risk: None Energy Index: 1.52 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 17.49 J/kg Max Up Vert Vel: 5.92 m/s Conv Inhibition (B-): 53190.58 J/kg Cap Strength: 8.30 C Lift Cond Lev (LCL): 814.65 mb = 1669.37 m = 5476.88 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 105 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 ---------------------------------------------------------- 0 997 52 40 4 -2.6 -3.1 | 302 12 10.2 -6.4 1 925 650 80 27 -26.6 -4.7 | 60 16 -13.8 -8.0 2 850 1332 90 15 -15.0 0.0 | 34 4 -2.3 -3.3 3 700 2850 85 16 -15.9 -1.4 | 34 6 -3.2 -4.7 4 500 5350 60 20 -17.3 -10.0 | 19 14 -4.6 -13.3 5 400 6910 40 15 -9.6 -11.5 | 348 15 3.1 -14.8 6 300 8820 330 29 14.5 -25.1 | 316 39 27.2 -28.5 7 250 9980 315 37 26.2 -26.2 | 307 49 38.9 -29.5 8 227 10580 305 33 27.0 -18.9 | 299 46 39.8 -22.3 9 200 11370 290 15 14.1 -5.1 | 288 28 26.8 -8.5 10 150 13170 235 20 16.4 11.5 | 254 30 29.1 8.1 11 100 15700 270 35 35.0 -0.0 | 274 48 47.7 -3.3 12 70 17890 275 36 35.9 -3.1 | 278 49 48.6 -6.5 13 50 19930 285 36 34.8 -9.3 | 285 49 47.5 -12.7 14 30 23010 300 48 41.6 -24.0 | 297 61 54.3 -27.3 15 20 25420 320 61 39.2 -46.7 | 314 72 52.0 -50.1 16 10 29510 320 91 58.5 -69.7 | 316 102 71.2 -73.0 Wind Parameters Mean winds (0-6000m): 74.7 at 17.6 knts Storm direction: 104.7 at 13.2 knts Shear (0-3000m) pos: 2.2 neg: 0.4 tot: 2.6 10-3/s Storm rel Dir Shear (0-3000m): 90.7 deg Storm rel helicity (0-3000m) pos: 78.2 neg: -5.4 tot: 72.8 m^2/s^2 ave: 24.3 10^-3 m/s^2 rel: 0.54 Storm rel vorticity (0-3000m) horiz: 7.0 stream: 3.7 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 8.15 Bulk Shear: 2.15 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 74 14 2 7| 20.6 0.0 20.6| 62.0 0.0 62.0 123.9 0.97| 21.7 21.2 1000 79 19 39 9| 8.9 0.0 8.9| 78.2 -1.9 76.3 76.3 0.72| 17.1 12.4 1500 81 18 40 8| 4.4 0.0 4.4| 78.2 -5.2 73.0 48.7 0.57| 13.2 7.5 2000 83 17 39 7| 3.3 0.1 3.5| 78.2 -5.2 73.0 36.5 0.56| 10.1 5.6 2500 84 17 38 7| 2.7 0.2 2.9| 78.2 -5.2 73.0 29.2 0.55| 8.2 4.5 3000 84 17 38 6| 2.2 0.4 2.6| 78.2 -5.4 72.8 24.3 0.54| 7.0 3.7 4000 82 17 35 7| 1.7 0.7 2.4| 78.2 -7.2 71.0 17.8 0.48| 5.7 2.7 5000 79 17 32 8| 1.3 0.9 2.2| 78.2 -10.9 67.3 13.5 0.41| 4.9 2.0 6000 75 18 28 9| 1.1 0.9 2.1| 78.2 -26.5 51.7 8.6 0.30| 4.5 1.3 Wrote GIF file: /home/apache/climate/data/raob//BIKF/skewt/BIKF.skewt.20251206.11.gif