UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121011.upa.cvt Date: 1100Z 10 DEC 25 Searching for BIKF... Searching the city database file for: BIKF ... Date:1100Z 10 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 -99 SFC 983 52 4.4 -3.6 56 8.0 1.2 75 18 278.9 279.4 275.2 287.2 2.98 2 925 533 1.0 -6.0 59 7.0 -1.6 80 40 280.3 280.8 275.5 287.8 2.64 3 912 647 0.6 -7.4 55 8.0 -2.3 83 36 281.1 281.5 275.6 287.9 2.40 4 906 700 1.0 -9.0 47 10.0 -2.5 85 34 282.0 282.4 275.7 288.1 2.13 5 850 1208 -3.7 -8.7 68 5.0 -5.4 100 17 282.3 282.7 276.1 289.0 2.33 6 802 1663 -8.1 -9.4 90 1.3 -8.5 112 17 282.3 282.7 276.2 289.0 2.33 7 756 2119 -11.1 -12.5 89 1.4 -11.5 124 16 283.9 284.2 276.4 289.5 1.93 8 752 2160 -9.5 -11.3 87 1.8 -10.1 125 16 286.0 286.4 277.8 292.3 2.14 9 739 2295 -9.1 -10.2 92 1.1 -9.5 129 16 287.9 288.3 279.0 294.9 2.38 10 700 2713 -10.7 -12.5 87 1.8 -11.2 140 16 290.6 291.0 280.0 296.9 2.09 11 638 3423 -13.9 -16.2 83 2.3 -14.5 117 17 294.8 295.1 281.3 300.0 1.69 12 514 5030 -25.9 -26.4 96 0.5 -26.0 62 21 299.1 299.2 282.1 301.9 0.86 13 500 5230 -26.9 -28.7 85 1.8 -27.2 55 21 300.2 300.4 282.4 302.6 0.72 14 438 6179 -30.7 -32.0 88 1.3 -30.9 94 28 307.0 307.1 284.9 309.0 0.60 15 400 6820 -33.5 -36.9 71 3.4 -33.8 120 32 311.4 311.5 286.4 312.9 0.40 16 398 6855 -33.7 -37.1 71 3.4 -34.1 120 32 311.6 311.7 286.4 313.0 0.40 17 349 7757 -41.3 -45.6 63 4.3 -41.6 129 37 313.3 313.3 286.7 314.0 0.19 18 317 8399 -46.7 -48.4 83 1.7 -46.8 136 41 314.5 314.6 287.1 315.1 0.15 19 300 8760 -50.1 -53.1 70 3.0 -50.2 140 43 314.7 314.8 287.1 315.1 0.09 20 259 9707 -58.5 -62.1 63 3.6 -58.6 144 44 315.9 315.9 287.4 316.0 0.03 21 250 9930 -59.9 -62.6 71 2.7 -59.9 145 44 317.0 317.0 287.8 317.1 0.03 22 247 10005 -59.7 -62.3 72 2.6 -59.7 145 40 318.4 318.4 288.3 318.5 0.04 23 238 10235 -60.5 -64.1 62 3.6 -60.6 145 27 320.6 320.6 288.9 320.7 0.03 24 222 10669 -57.3 -81.3 3 24.0 -57.5 165 31 332.0 332.0 292.3 332.0 0.00 25 208 11081 -55.3 -79.3 4 24.0 -55.5 184 34 341.3 341.3 294.7 341.4 0.00 26 200 11330 -54.9 -80.9 3 26.0 -55.2 195 36 345.8 345.8 295.7 345.8 0.00 27 150 13180 -53.7 -83.7 1 30.0 -54.1 205 32 377.5 377.5 301.9 377.6 0.00 28 134 13906 -52.5 -83.5 1 31.0 -53.1 212 35 392.1 392.1 304.1 392.1 0.00 29 106 15408 -55.7 -85.7 1 30.0 -56.2 226 40 413.2 413.2 306.9 413.2 0.00 30 100 15780 -53.9 -84.9 1 31.0 -54.5 230 41 423.6 423.6 308.2 423.6 0.00 31 89 16528 -53.1 -85.1 1 32.0 -53.8 232 44 439.5 439.5 309.8 439.6 0.00 32 70 18050 -59.7 -87.7 1 28.0 -60.2 235 51 456.7 456.7 311.5 456.7 0.00 33 69 18139 -59.9 -87.9 1 28.0 -60.3 236 50 458.1 458.1 311.6 458.1 0.00 34 63 18707 -57.3 -87.3 1 30.0 -57.9 241 46 475.9 475.9 313.1 475.9 0.00 35 53 19781 -62.5 -89.5 1 27.0 -62.9 252 37 488.0 488.0 314.1 488.0 0.00 36 50 20140 -61.1 -89.1 1 28.0 -61.6 255 34 499.5 499.5 314.9 499.5 0.00 37 48 20394 -60.1 -89.1 1 29.0 -60.7 255 35 507.7 507.7 315.5 507.8 0.00 38 36 22162 -65.9 -90.9 2 25.0 -66.2 258 40 536.3 536.3 317.3 536.3 0.00 39 33 22694 -62.5 -90.5 1 28.0 -63.1 259 42 558.8 558.8 318.6 558.8 0.00 40 30 23280 -63.5 -90.5 1 27.0 -64.1 260 44 571.5 571.5 319.2 571.5 0.00 41 25 24389 -67.7 -91.7 2 24.0 -68.1 258 53 590.1 590.1 320.2 590.1 0.00 42 20 25740 -65.3 -92.3 1 27.0 -66.0 255 63 636.3 636.3 322.2 636.3 0.00 43 15 27473 -69.7 -92.7 2 23.0 -70.2 676.2 676.2 323.6 676.3 0.00 44 13 28329 -68.1 -93.1 2 25.0 -68.8 710.0 710.0 324.7 710.1 0.00 TRP 238 10235 -60.5 -64.1 62 3.6 -60.6 145 27 320.6 320.6 288.9 320.7 0.03 WND Sounding variables and indices 1000-500 mb thick: 5329.00 m Freezing level: 894.09 mb = 807.82 m = 2650.31 ft Wetbulb zero: 958.43 mb = 252.24 m = 827.54 ft Precipitable water: 0.42 inches Sfc-500 mean rel hum: 80.93 % Est. max temperature: 7.76 C = 45.97 F Sfc-Lift cond lev (LCL): 868.50 mb = 1036.42 m = 3400.29 ft T: -2.11 C 700-500 lapse rate: 6.44 C/km Conv cond level (CCL): 801.28 mb = 1670.05 m = 5479.09 ft Mean mixing ratio: 2.58 g/kg Conv temperature: 7.81 C = 46.05 F Cap Strength: 10.23 C Lifted Index: 10.99 C Risk: None Lifted Index @300 mb: 19.14 C Lifted Index @700 mb: 6.39 C Showalter Index: 10.11 C Risk: None Total Totals Index: 41.40 C Risk: None Vertical Totals Index: 23.20 C Cross Totals Index: 18.20 C K Index: 12.70 Risk: None Sweat Index: 55.00 Risk: None Energy Index: 2.85 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 14.31 J/kg Max Up Vert Vel: 5.35 m/s Conv Inhibition (B-): 59989.75 J/kg Cap Strength: 10.80 C Lift Cond Lev (LCL): 823.88 mb = 1452.40 m = 4765.03 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 121 at 15 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 ---------------------------------------------------------- 0 983 52 75 18 -17.4 -4.7 | 18 13 -4.2 -12.7 1 925 533 80 40 -39.4 -6.9 | 60 30 -26.2 -15.0 2 850 1208 100 17 -16.7 3.0 | 35 6 -3.5 -5.1 3 700 2713 140 16 -10.3 12.3 | 215 5 2.9 4.2 4 500 5230 55 21 -17.2 -12.0 | 11 20 -4.0 -20.1 5 400 6820 120 32 -27.7 16.0 | 119 17 -14.5 8.0 6 300 8760 140 43 -27.6 32.9 | 150 29 -14.4 24.9 7 250 9930 145 44 -25.2 36.0 | 157 30 -12.0 28.0 8 238 10235 145 27 -15.5 22.1 | 171 14 -2.3 14.1 9 200 11330 195 36 9.3 34.8 | 220 35 22.6 26.7 10 150 13180 205 32 13.5 29.0 | 232 34 26.8 21.0 11 100 15780 230 41 31.4 26.4 | 248 48 44.6 18.3 12 70 18050 235 51 41.8 29.3 | 249 59 55.0 21.2 13 50 20140 255 34 32.8 8.8 | 269 46 46.1 0.8 14 30 23280 260 44 43.3 7.6 | 270 57 56.6 -0.4 15 20 25740 255 63 60.9 16.3 | 264 75 74.1 8.3 Wind Parameters Mean winds (0-6000m): 91.2 at 20.6 knts Storm direction: 121.2 at 15.5 knts Shear (0-3000m) pos: 3.0 neg: 0.4 tot: 3.3 10-3/s Storm rel Dir Shear (0-3000m): 166.6 deg Storm rel helicity (0-3000m) pos: 85.5 neg: -12.6 tot: 72.9 m^2/s^2 ave: 24.3 10^-3 m/s^2 rel: 0.25 Storm rel vorticity (0-3000m) horiz: 10.3 stream: 2.6 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 1.02 Bulk Shear: 14.05 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 79 29 48 21| 22.1 0.0 22.1| 75.6 0.0 75.6 151.3 0.66| 22.3 14.6 1000 82 30 54 21| 4.3 0.0 4.3| 81.9 -5.0 76.9 76.9 0.34| 20.8 7.1 1500 86 26 52 16| 3.5 0.0 3.5| 82.9 -11.1 71.8 47.9 0.24| 16.7 4.0 2000 91 24 54 13| 3.6 0.0 3.6| 84.0 -11.1 72.9 36.5 0.27| 13.5 3.6 2500 96 22 57 10| 3.6 0.0 3.6| 85.2 -11.1 74.1 29.6 0.29| 11.6 3.4 3000 101 21 62 9| 3.0 0.4 3.3| 85.5 -12.6 72.9 24.3 0.25| 10.3 2.6 4000 103 20 62 7| 2.2 1.6 3.8| 85.5 -18.5 66.9 16.7 0.12| 9.1 1.1 5000 97 20 50 9| 1.8 2.3 4.1| 85.5 -39.5 46.0 9.2 0.03| 8.5 0.3 6000 91 21 44 11| 2.2 1.9 4.1|152.4 -44.4 108.0 18.0 0.16| 8.5 1.3 Wrote GIF file: /home/apache/climate/data/raob//BIKF/skewt/BIKF.skewt.20251210.11.gif