UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120311.upa.cvt Date: 1100Z 3 DEC 25 Searching for BIKF... Searching the city database file for: BIKF ... Date:1100Z 3 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 0 85 6 SFC 995 52 3.0 -3.0 65 6.0 0.6 85 6 276.5 277.1 274.0 285.1 3.07 2 925 628 -0.5 -5.5 69 5.0 -2.3 115 27 278.8 279.3 274.8 286.5 2.74 3 902 829 -2.3 -6.6 72 4.3 -3.8 118 28 279.0 279.4 274.7 286.2 2.58 4 850 1300 -3.5 -6.7 78 3.2 -4.7 125 30 282.5 282.9 276.8 290.2 2.72 5 813 1651 -5.1 -7.6 83 2.5 -6.0 122 27 284.4 284.9 277.7 292.0 2.65 6 757 2207 -9.3 -9.4 99 0.1 -9.4 116 23 285.7 286.1 278.1 292.9 2.47 7 700 2808 -13.7 -14.7 92 1.0 -14.0 110 19 287.3 287.6 277.9 292.5 1.74 8 603 3923 -21.7 -25.5 71 3.8 -22.4 148 15 290.6 290.7 278.2 293.1 0.80 9 563 4424 -26.5 -26.7 98 0.2 -26.5 165 13 290.7 290.8 278.2 293.1 0.76 10 525 4924 -30.7 -31.0 97 0.3 -30.7 183 11 291.5 291.6 278.3 293.3 0.55 11 522 4965 -30.1 -37.1 50 7.0 -30.7 184 11 292.7 292.8 278.5 293.7 0.30 12 500 5270 -32.3 -40.3 45 8.0 -32.9 195 10 293.7 293.7 278.8 294.4 0.23 13 481 5542 -34.1 -46.1 29 12.0 -34.8 195 9 294.7 294.7 279.1 295.2 0.13 14 400 6800 -45.1 -53.1 40 8.0 -45.3 195 6 296.4 296.4 279.8 296.6 0.07 15 397 6850 -45.5 -53.5 40 8.0 -45.7 198 7 296.5 296.5 279.9 296.7 0.07 16 386 7038 -45.1 -58.1 22 13.0 -45.4 209 10 299.4 299.4 281.1 299.6 0.04 17 351 7670 -47.1 -61.1 19 14.0 -47.4 245 20 305.0 305.0 283.4 305.1 0.03 18 300 8690 -55.5 -64.5 32 9.0 -55.6 305 37 307.1 307.1 284.2 307.2 0.02 19 280 9126 -59.3 -66.3 40 7.0 -59.4 303 33 307.8 307.8 284.5 307.8 0.02 20 250 9830 -63.5 -70.5 38 7.0 -63.6 300 26 311.7 311.7 285.9 311.7 0.01 21 238 10132 -65.3 -71.3 43 6.0 -65.3 285 23 313.4 313.4 286.5 313.4 0.01 22 219 10645 -61.1 -74.1 16 13.0 -61.2 271 19 327.4 327.4 291.0 327.4 0.01 23 210 10906 -61.7 -74.7 16 13.0 -61.8 263 17 330.4 330.4 291.8 330.4 0.01 24 200 11210 -60.9 -75.9 12 15.0 -61.0 255 14 336.3 336.3 293.4 336.3 0.01 25 165 12405 -59.1 -77.1 8 18.0 -59.3 218 15 358.4 358.4 298.4 358.4 0.01 26 157 12715 -58.3 -76.3 8 18.0 -58.5 209 16 364.8 364.8 299.7 364.9 0.01 27 150 13000 -59.7 -77.7 8 18.0 -59.9 200 16 367.2 367.2 300.1 367.3 0.01 28 100 15530 -62.3 -80.3 7 18.0 -62.5 220 23 407.4 407.4 306.2 407.4 0.01 29 70 17720 -65.3 -83.3 7 18.0 -65.5 175 21 444.7 444.7 310.3 444.7 0.01 30 50 19750 -67.1 -85.1 6 18.0 -67.3 240 21 485.4 485.4 313.9 485.4 0.01 31 30 22780 -73.1 -89.1 7 16.0 -73.3 260 20 545.4 545.4 317.8 545.4 0.00 32 21 24865 -74.1 -91.1 6 17.0 -74.3 313 12 600.9 600.9 320.6 600.9 0.00 33 20 25150 -73.7 -90.7 6 17.0 -73.9 320 11 610.6 610.6 321.1 610.6 0.01 34 13 27679 -72.9 -90.9 5 18.0 -73.3 339 32 693.4 693.4 324.2 693.5 0.01 35 10 29240 -67.9 -88.9 3 21.0 -68.8 350 44 766.1 766.1 326.4 766.2 0.01 36 8.3 30366 -65.9 -87.9 3 22.0 -67.3 815.9 815.9 327.6 816.1 0.02 TRP 238 10132 -65.3 -71.3 43 6.0 -65.3 285 23 313.4 313.4 286.5 313.4 0.01 WND Sounding variables and indices 1000-500 mb thick: 5270.00 m Freezing level: 935.00 mb = 545.71 m = 1790.38 ft Wetbulb zero: 980.53 mb = 167.69 m = 550.17 ft Precipitable water: 0.39 inches Sfc-500 mean rel hum: 81.37 % Est. max temperature: 9.18 C = 48.52 F Sfc-Lift cond lev (LCL): 906.61 mb = 788.18 m = 2585.86 ft T: -1.94 C 700-500 lapse rate: 7.55 C/km ThetaE index: 0.40 C Layer 700.0- 603.0 mb Conv cond level (CCL): 783.47 mb = 1939.41 m = 6362.83 ft Mean mixing ratio: 2.82 g/kg Conv temperature: 11.53 C = 52.75 F Cap Strength: 6.44 C Lifted Index: 7.00 C Risk: None Lifted Index @300 mb: 15.03 C Lifted Index @700 mb: 4.68 C Showalter Index: 3.72 C Risk: None Total Totals Index: 54.40 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 28.80 C Cross Totals Index: 25.60 C K Index: 21.10 Risk: 20-40 % chance of thunderstorms Sweat Index: 178.00 Risk: None Energy Index: 0.86 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 8.33 J/kg Max Up Vert Vel: 4.08 m/s Conv Inhibition (B-): 60143.91 J/kg Cap Strength: 7.01 C Lift Cond Lev (LCL): 870.08 mb = 1114.71 m = 3657.15 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 158 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 ---------------------------------------------------------- 0 995 52 85 6 -6.0 -0.5 | 4 13 -1.0 -13.0 1 925 628 115 27 -24.5 11.4 | 87 20 -19.5 -1.0 2 850 1300 125 30 -24.6 17.2 | 104 20 -19.6 4.8 3 700 2808 110 19 -17.9 6.5 | 65 14 -12.9 -5.9 4 500 5270 195 10 2.6 9.7 | 290 8 7.6 -2.8 5 400 6800 195 6 1.6 5.8 | 315 9 6.5 -6.6 6 300 8690 305 37 30.3 -21.2 | 314 49 35.3 -33.7 7 250 9830 300 26 22.5 -13.0 | 313 37 27.5 -25.4 8 238 10132 285 23 22.2 -6.0 | 304 33 27.2 -18.4 9 200 11210 255 14 13.5 3.6 | 295 20 18.5 -8.8 10 150 13000 200 16 5.5 15.0 | 256 11 10.5 2.6 11 100 15530 220 23 14.8 17.6 | 255 20 19.8 5.2 12 70 17720 175 21 -1.8 20.9 | 200 9 3.2 8.5 13 50 19750 240 21 18.2 10.5 | 275 23 23.2 -1.9 14 30 22780 260 20 19.7 3.5 | 290 26 24.7 -9.0 15 20 25150 320 11 7.1 -8.4 | 330 24 12.1 -20.9 16 10 29240 350 44 7.6 -43.3 | 347 57 12.6 -55.8 Wind Parameters Mean winds (0-6000m): 128.2 at 17.9 knts Storm direction: 158.2 at 13.4 knts Shear (0-3000m) pos: 3.7 neg: 1.4 tot: 5.2 10-3/s Storm rel Dir Shear (0-3000m): 66.4 deg Storm rel helicity (0-3000m) pos: 118.7 neg: -47.2 tot: 71.5 m^2/s^2 ave: 23.8 10^-3 m/s^2 rel: 0.41 Storm rel vorticity (0-3000m) horiz: 7.4 stream: 3.0 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 1.64 Bulk Shear: 5.09 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 ------------------------------------------------------------------------------- 500 109 15 51 12| 19.6 0.0 19.6| 72.8 0.0 72.8 145.6 0.96| 20.2 19.4 1000 114 21 76 15| 12.5 0.0 12.5|105.9 0.0 105.9 105.9 0.96| 13.6 13.0 1500 118 24 86 16| 8.1 0.0 8.1|115.4 -7.7 107.7 71.8 0.85| 10.4 8.8 2000 119 25 88 17| 6.1 1.1 7.2|115.4 -25.3 90.1 45.1 0.63| 8.9 5.6 2500 118 24 87 16| 4.9 1.7 6.6|115.4 -40.8 74.5 29.8 0.47| 8.0 3.7 3000 118 23 85 16| 3.7 1.4 5.2|118.7 -47.2 71.5 23.8 0.41| 7.4 3.0 4000 120 22 84 14| 2.7 1.1 3.8|124.8 -47.2 77.5 19.4 0.39| 6.9 2.7 5000 124 20 82 12| 1.9 0.9 2.8|126.9 -47.2 79.7 15.9 0.40| 6.4 2.5 6000 128 18 81 9| 1.5 0.8 2.3|132.5 -47.2 85.3 14.2 0.41| 5.7 2.3 Wrote GIF file: /home/apache/climate/data/raob//BIKF/skewt/BIKF.skewt.20251203.11.gif