UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120423.upa.cvt Date: 2300Z 4 DEC 25 Searching for BIKF... Searching the city database file for: BIKF ... Date:2300Z 4 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 19 40 6 SFC 998 52 1.4 -3.6 69 5.0 -0.5 40 6 274.7 275.2 272.8 282.8 2.93 2 925 645 0.0 -10.0 47 10.0 -3.3 85 11 279.3 279.6 273.9 284.8 1.93 3 887 980 -1.5 -12.5 43 11.0 -4.9 78 11 281.1 281.4 274.5 285.9 1.65 4 850 1317 -4.1 -14.1 46 10.0 -7.0 70 12 281.9 282.1 274.7 286.3 1.51 5 823 1571 -5.7 -15.7 45 10.0 -8.5 83 12 282.8 283.0 275.0 286.8 1.37 6 789 1899 -8.7 -14.7 62 6.0 -10.4 101 12 283.0 283.3 275.4 287.5 1.55 7 755 2240 -10.1 -12.9 80 2.8 -10.9 119 11 285.1 285.4 276.9 290.6 1.87 8 709 2722 -12.7 -17.7 66 5.0 -13.9 145 11 287.4 287.6 277.3 291.4 1.34 9 700 2819 -13.7 -16.8 77 3.1 -14.5 150 11 287.3 287.6 277.5 291.7 1.46 10 662 3240 -17.5 -17.5 100 0.0 -17.5 157 12 287.7 287.9 277.7 292.0 1.46 11 636 3539 -18.9 -22.1 76 3.2 -19.6 163 12 289.4 289.6 277.9 292.5 1.02 12 583 4179 -24.9 -25.0 99 0.1 -24.9 174 13 289.7 289.8 277.8 292.4 0.86 13 563 4431 -26.9 -29.6 78 2.7 -27.3 179 14 290.2 290.3 277.7 292.1 0.58 14 550 4599 -28.5 -29.7 89 1.2 -28.6 182 14 290.3 290.4 277.7 292.2 0.59 15 547 4638 -27.5 -39.5 31 12.0 -28.6 183 14 291.9 292.0 278.0 292.7 0.23 16 545 4665 -27.9 -37.9 38 10.0 -28.9 183 14 291.7 291.8 278.0 292.6 0.27 17 543 4691 -27.7 -48.7 12 21.0 -29.2 184 14 292.3 292.3 277.9 292.6 0.08 18 522 4974 -29.1 -52.1 9 23.0 -30.4 189 14 293.9 293.9 278.7 294.1 0.06 19 500 5280 -31.3 -60.3 4 29.0 -32.6 195 15 294.9 294.9 279.1 295.0 0.02 20 452 5986 -36.1 -57.1 10 21.0 -37.0 220 22 297.5 297.5 280.3 297.6 0.04 21 427 6380 -37.1 -66.1 3 29.0 -37.9 234 26 301.1 301.1 281.8 301.1 0.01 22 422 6461 -36.3 -67.3 3 31.0 -37.2 237 27 303.1 303.1 282.7 303.2 0.01 23 400 6830 -39.1 -66.1 4 27.0 -39.9 250 31 304.2 304.2 283.1 304.2 0.01 24 347 7790 -46.5 -65.5 10 19.0 -46.9 250 31 306.8 306.8 284.1 306.8 0.02 25 300 8740 -54.7 -65.7 24 11.0 -54.8 250 31 308.2 308.2 284.7 308.3 0.02 26 291 8933 -56.5 -64.5 36 8.0 -56.6 249 29 308.4 308.4 284.7 308.5 0.02 27 253 9806 -61.9 -69.9 34 8.0 -62.0 245 21 313.0 313.0 286.4 313.0 0.01 28 250 9880 -61.7 -68.7 39 7.0 -61.7 235 24 314.3 314.3 286.9 314.4 0.01 29 224 10569 -57.1 -77.1 6 20.0 -57.3 247 22 331.4 331.4 292.1 331.4 0.00 30 200 11280 -61.1 -80.1 6 19.0 -61.2 260 19 336.0 336.0 293.3 336.0 0.00 31 195 11437 -61.9 -80.9 6 19.0 -62.0 262 19 337.2 337.2 293.6 337.2 0.00 32 163 12552 -59.5 -82.5 4 23.0 -59.7 278 20 358.9 358.9 298.5 358.9 0.00 33 150 13070 -60.7 -83.7 3 23.0 -60.9 285 21 365.5 365.5 299.8 365.5 0.00 34 100 15580 -63.9 -85.9 3 22.0 -64.1 260 26 404.3 404.3 305.7 404.3 0.00 35 70 17750 -65.5 -87.5 3 22.0 -65.7 280 26 444.3 444.3 310.3 444.3 0.00 36 50 19790 -67.9 -88.9 3 21.0 -68.1 300 20 483.5 483.5 313.7 483.5 0.00 37 37 21588 -70.7 -90.7 4 20.0 -70.9 303 28 519.8 519.8 316.3 519.8 0.00 38 30 22840 -68.1 -90.1 3 22.0 -68.4 305 33 559.0 559.0 318.6 559.0 0.00 39 28 23252 -68.1 -90.1 3 22.0 -68.5 307 34 570.1 570.1 319.2 570.2 0.00 40 22 24675 -73.9 -92.9 4 19.0 -74.1 313 39 593.6 593.6 320.3 593.6 0.00 41 20 25230 -73.3 -93.3 3 20.0 -73.5 315 41 611.8 611.8 321.2 611.8 0.00 42 18 25850 -71.5 -92.5 3 21.0 -71.8 636.2 636.2 322.2 636.2 0.00 43 13 27753 -75.5 -94.5 4 19.0 -75.7 684.4 684.4 323.9 684.4 0.00 44 12 28218 -73.7 -93.7 3 20.0 -74.0 706.6 706.6 324.6 706.7 0.00 TRP 253 9806 -61.9 -69.9 34 8.0 -62.0 245 21 313.0 313.0 286.4 313.0 0.01 WND Sounding variables and indices 1000-500 mb thick: 5261.00 m Freezing level: 925.00 mb = 645.00 m = 2116.12 ft Wetbulb zero: Below ground Precipitable water: 0.28 inches Sfc-500 mean rel hum: 62.05 % Est. max temperature: 8.61 C = 47.49 F Sfc-Lift cond lev (LCL): 923.27 mb = 659.97 m = 2165.23 ft T: -0.07 C 700-500 lapse rate: 7.15 C/km Conv cond level (CCL): 742.42 mb = 2368.52 m = 7770.64 ft Mean mixing ratio: 2.26 g/kg Conv temperature: 12.37 C = 54.26 F Cap Strength: 8.79 C Lifted Index: 9.34 C Risk: None Lifted Index @300 mb: 17.06 C Lifted Index @700 mb: 5.91 C Showalter Index: 7.76 C Risk: None Total Totals Index: 44.40 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 27.20 C Cross Totals Index: 17.20 C K Index: 10.00 Risk: None Sweat Index: 39.00 Risk: None Energy Index: 1.83 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 17.85 J/kg Max Up Vert Vel: 5.98 m/s Conv Inhibition (B-): 54281.39 J/kg Cap Strength: 9.21 C Lift Cond Lev (LCL): 834.43 mb = 1462.31 m = 4797.55 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 188 at 10 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 ---------------------------------------------------------- 0 998 52 40 6 -3.9 -4.6 | 20 15 -5.1 -14.1 1 925 645 85 11 -11.0 -1.0 | 49 16 -12.2 -10.5 2 850 1317 70 12 -11.3 -4.1 | 43 19 -12.5 -13.6 3 700 2819 150 11 -5.5 9.5 | 90 7 -6.8 -0.0 4 500 5280 195 15 3.9 14.5 | 208 6 2.6 4.9 5 400 6830 250 31 29.1 10.6 | 268 28 27.9 1.1 6 300 8740 250 31 29.1 10.6 | 268 28 27.9 1.1 7 253 9806 245 21 19.0 8.9 | 272 18 17.8 -0.7 8 250 9880 235 24 19.7 13.8 | 257 19 18.4 4.2 9 200 11280 260 19 18.7 3.3 | 290 19 17.4 -6.2 10 150 13070 285 21 20.3 -5.4 | 308 24 19.0 -15.0 11 100 15580 260 26 25.6 4.5 | 282 25 24.3 -5.0 12 70 17750 280 26 25.6 -4.5 | 300 28 24.3 -14.1 13 50 19790 300 20 17.3 -10.0 | 321 25 16.0 -19.5 14 30 22840 305 33 27.0 -18.9 | 318 38 25.8 -28.5 15 20 25230 315 41 29.0 -29.0 | 324 47 27.7 -38.5 Wind Parameters Mean winds (0-6000m): 157.6 at 12.8 knts Storm direction: 187.6 at 9.6 knts Shear (0-3000m) pos: 2.7 neg: 0.2 tot: 2.9 10-3/s Storm rel Dir Shear (0-3000m): 76.6 deg Storm rel helicity (0-3000m) pos: 73.5 neg: -8.3 tot: 65.2 m^2/s^2 ave: 21.7 10^-3 m/s^2 rel: 0.63 Storm rel vorticity (0-3000m) horiz: 4.8 stream: 3.0 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.57 Bulk Shear: 31.16 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 66 8 34 15| 6.8 0.0 6.8| 28.0 0.0 28.0 56.0 0.97| 7.0 6.9 1000 75 10 41 16| 3.4 0.7 4.1| 34.4 -5.2 29.3 29.3 0.69| 5.2 3.6 1500 75 10 42 17| 2.6 0.5 3.1| 43.6 -8.3 35.3 23.6 0.62| 4.6 2.9 2000 80 11 46 16| 2.8 0.4 3.1| 59.9 -8.3 51.7 25.8 0.65| 4.9 3.2 2500 88 11 50 16| 2.8 0.3 3.1| 69.4 -8.3 61.1 24.5 0.64| 5.0 3.2 3000 96 11 55 15| 2.7 0.2 2.9| 73.5 -8.3 65.2 21.7 0.63| 4.8 3.0 4000 116 11 68 12| 2.4 0.2 2.6| 78.7 -8.3 70.5 17.6 0.66| 4.1 2.7 5000 136 12 84 9| 2.2 0.1 2.3| 84.2 -8.3 75.9 15.2 0.70| 3.8 2.7 6000 158 13 111 7| 2.6 0.1 2.7|103.3 -8.3 95.1 15.8 0.66| 4.3 2.8 Wrote GIF file: /home/apache/climate/data/raob//BIKF/skewt/BIKF.skewt.20251204.23.gif