UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120111.upa.cvt Date: 1100Z 1 DEC 25 Searching for BIKF... Searching the city database file for: BIKF ... Date:1100Z 1 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 -135 SFC 979 52 4.0 -0.4 73 4.4 2.1 30 13 278.8 279.5 276.3 289.3 3.79 2 949 297 3.8 -4.2 56 8.0 0.6 46 23 281.1 281.6 276.4 289.5 2.95 3 925 498 1.4 -4.6 64 6.0 -0.9 60 31 280.7 281.2 276.2 289.0 2.93 4 850 1172 -3.7 -5.4 88 1.7 -4.3 85 39 282.3 282.8 277.0 290.8 3.00 5 827 1388 -5.5 -5.5 100 0.0 -5.5 85 38 282.6 283.1 277.3 291.3 3.06 6 725 2412 -10.3 -11.1 94 0.8 -10.6 85 35 288.2 288.6 279.0 294.8 2.26 7 700 2682 -12.3 -13.5 91 1.2 -12.6 85 34 288.9 289.2 278.9 294.6 1.93 8 537 4649 -26.5 -30.1 72 3.6 -27.0 81 28 294.7 294.8 279.8 296.5 0.58 9 500 5160 -30.9 -34.5 71 3.6 -31.3 80 27 295.4 295.4 279.8 296.7 0.41 10 492 5274 -31.5 -35.7 66 4.2 -31.9 81 28 296.0 296.1 280.1 297.2 0.37 11 457 5791 -36.1 -38.7 77 2.6 -36.3 86 32 296.6 296.6 280.3 297.5 0.29 12 441 6037 -37.9 -42.9 59 5.0 -38.2 88 34 297.3 297.4 280.4 298.0 0.20 13 404 6633 -43.7 -46.1 77 2.4 -43.8 94 39 297.3 297.4 280.4 297.9 0.15 14 400 6700 -44.3 -48.0 66 3.7 -44.5 95 40 297.4 297.4 280.4 297.8 0.12 15 372 7181 -49.1 -53.0 64 3.9 -49.2 91 35 297.3 297.3 280.3 297.6 0.07 16 358 7432 -49.5 -56.5 44 7.0 -49.7 89 33 300.0 300.0 281.4 300.2 0.05 17 335 7866 -50.3 -64.3 18 14.0 -50.5 86 28 304.7 304.7 283.3 304.8 0.02 18 300 8580 -53.9 -66.9 19 13.0 -54.1 80 21 309.4 309.4 285.1 309.4 0.02 19 278 9067 -56.5 -69.5 18 13.0 -56.6 80 18 312.4 312.4 286.2 312.5 0.01 20 254 9640 -57.9 -70.9 17 13.0 -58.0 80 15 318.5 318.5 288.3 318.6 0.01 21 250 9740 -58.1 -72.1 15 14.0 -58.2 95 17 319.7 319.7 288.6 319.7 0.01 22 200 11160 -54.1 -81.1 2 27.0 -54.4 135 13 347.1 347.1 296.0 347.1 0.00 23 173 12093 -52.1 -82.1 2 30.0 -52.5 150 9 365.1 365.1 299.7 365.1 0.00 24 150 13010 -54.7 -83.7 2 29.0 -55.1 165 5 375.8 375.8 301.6 375.8 0.00 25 140 13451 -56.1 -84.1 2 28.0 -56.5 170 7 380.9 380.9 302.4 380.9 0.00 26 116 14653 -54.3 -85.3 1 31.0 -54.8 184 13 405.2 405.2 305.9 405.2 0.00 27 100 15600 -56.7 -85.7 1 29.0 -57.2 195 18 418.2 418.2 307.5 418.2 0.00 28 70 17830 -61.7 -87.7 2 26.0 -62.0 240 22 452.4 452.4 311.1 452.4 0.00 29 50 19880 -69.1 -90.1 3 21.0 -69.3 240 23 480.7 480.7 313.5 480.7 0.00 30 34 22145 -75.3 -92.3 5 17.0 -75.4 236 24 520.4 520.4 316.3 520.4 0.00 31 30 22870 -74.9 -91.9 5 17.0 -75.0 235 24 540.5 540.5 317.5 540.5 0.00 32 27 23482 -76.1 -93.1 5 17.0 -76.2 243 22 553.6 553.6 318.3 553.6 0.00 33 20 25220 -76.1 -93.1 5 17.0 -76.3 265 17 603.2 603.2 320.7 603.2 0.00 34 18 25827 -76.5 -94.5 4 18.0 -76.7 620.4 620.4 321.5 620.4 0.00 TRP 254 9640 -57.9 -70.9 17 13.0 -58.0 80 15 318.5 318.5 288.3 318.6 0.01 WND Sounding variables and indices 1000-500 mb thick: 5295.00 m Freezing level: 904.41 mb = 683.02 m = 2240.85 ft Wetbulb zero: 939.46 mb = 376.35 m = 1234.74 ft Precipitable water: 0.42 inches Sfc-500 mean rel hum: 82.06 % Est. max temperature: 7.70 C = 45.87 F Sfc-Lift cond lev (LCL): 914.64 mb = 587.81 m = 1928.50 ft T: 0.72 C 700-500 lapse rate: 7.51 C/km ThetaE index: 0.43 C Layer 925.0- 850.0 mb Conv cond level (CCL): 827.09 mb = 1387.29 m = 4551.42 ft Mean mixing ratio: 3.07 g/kg Conv temperature: 7.73 C = 45.92 F Cap Strength: 5.65 C Lifted Index: 5.76 C Risk: None Lifted Index @300 mb: 14.17 C Lifted Index @700 mb: 3.68 C Showalter Index: 4.71 C Risk: None Total Totals Index: 52.70 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 27.20 C Cross Totals Index: 25.50 C K Index: 20.60 Risk: 20-40 % chance of thunderstorms Sweat Index: 179.00 Risk: None Energy Index: 1.22 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 6.96 J/kg Max Up Vert Vel: 3.73 m/s Conv Inhibition (B-): 47282.98 J/kg Cap Strength: 5.70 C Lift Cond Lev (LCL): 849.57 mb = 1175.99 m = 3858.18 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 111 at 24 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 ---------------------------------------------------------- 0 979 52 30 13 -6.5 -11.3 | 322 25 15.8 -19.9 1 925 498 60 31 -26.8 -15.5 | 11 25 -4.6 -24.2 2 850 1172 85 39 -38.9 -3.4 | 54 20 -16.6 -12.1 3 700 2682 85 34 -33.9 -3.0 | 45 16 -11.6 -11.6 4 500 5160 80 27 -26.6 -4.7 | 18 14 -4.3 -13.4 5 400 6700 95 40 -39.8 3.5 | 74 18 -17.6 -5.2 6 300 8580 80 21 -20.7 -3.6 | 353 12 1.6 -12.3 7 254 9640 80 15 -14.8 -2.6 | 326 14 7.5 -11.3 8 250 9740 95 17 -16.9 1.5 | 323 9 5.3 -7.2 9 200 11160 135 13 -9.2 9.2 | 268 13 13.1 0.5 10 150 13010 165 5 -1.3 4.8 | 280 21 21.0 -3.8 11 100 15600 195 18 4.7 17.4 | 252 28 26.9 8.7 12 70 17830 240 22 19.1 11.0 | 267 41 41.3 2.3 13 50 19880 240 23 19.9 11.5 | 266 42 42.2 2.8 14 30 22870 235 24 19.7 13.8 | 263 42 41.9 5.1 15 20 25220 265 17 16.9 1.5 | 280 40 39.2 -7.2 Wind Parameters Mean winds (0-6000m): 81.3 at 31.9 knts Storm direction: 111.3 at 23.9 knts Shear (0-3000m) pos: 5.5 neg: 0.8 tot: 6.3 10-3/s Storm rel Dir Shear (0-3000m): 79.7 deg Storm rel helicity (0-3000m) pos: 238.7 neg: -17.6 tot: 221.1 m^2/s^2 ave: 73.7 10^-3 m/s^2 rel: 0.77 Storm rel vorticity (0-3000m) horiz: 7.6 stream: 5.9 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.20 Bulk Shear: 34.16 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 53 23 350 23| 22.4 0.0 22.4|149.1 0.0 149.1 298.2 1.00| 23.4 23.3 1000 64 29 10 21| 15.9 0.0 15.9|221.6 0.0 221.6 221.6 0.99| 18.2 18.0 1500 73 32 24 20| 11.0 0.0 11.0|238.7 -2.8 235.9 157.3 0.95| 13.6 12.9 2000 76 33 31 19| 8.3 0.4 8.7|238.7 -7.4 231.3 115.6 0.89| 10.6 9.4 2500 78 34 34 19| 6.6 0.7 7.3|238.7 -12.0 226.6 90.7 0.83| 8.8 7.3 3000 79 34 36 18| 5.5 0.8 6.3|238.7 -17.6 221.1 73.7 0.77| 7.6 5.9 4000 80 33 36 18| 4.1 1.0 5.1|238.7 -29.1 209.6 52.4 0.66| 6.1 4.0 5000 81 32 34 17| 3.3 1.1 4.4|238.7 -40.2 198.5 39.7 0.56| 5.2 2.9 6000 81 32 34 16| 3.5 0.9 4.4|272.0 -41.3 230.7 38.4 0.62| 5.1 3.2 Wrote GIF file: /home/apache/climate/data/raob//BIKF/skewt/BIKF.skewt.20251201.11.gif