UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120723.upa.cvt Date: 2300Z 7 DEC 25 Searching for BIKF... Searching the city database file for: BIKF ... Date:2300Z 7 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 -28 65 10 SFC 992 52 5.4 -1.6 61 7.0 2.5 65 10 279.2 279.8 276.0 288.7 3.42 2 934 530 4.4 -5.6 48 10.0 0.5 82 29 283.0 283.5 277.0 290.7 2.69 3 925 607 3.8 -6.2 48 10.0 -0.0 85 32 283.2 283.6 277.0 290.6 2.60 4 862 1175 -1.3 -7.3 64 6.0 -3.5 89 28 283.6 284.1 277.2 291.0 2.56 5 850 1287 -1.9 -6.9 69 5.0 -3.7 90 27 284.2 284.6 277.6 291.9 2.68 6 818 1592 -2.7 -7.7 68 5.0 -4.5 94 25 286.4 286.9 278.6 294.1 2.61 7 722 2567 -10.3 -10.3 100 0.0 -10.3 107 18 288.5 288.9 279.4 295.6 2.42 8 700 2805 -11.1 -11.8 95 0.7 -11.3 110 16 290.2 290.6 279.9 296.8 2.21 9 607 3887 -17.1 -23.1 60 6.0 -18.4 114 16 295.3 295.5 280.7 298.4 0.98 10 606 3899 -17.1 -23.1 60 6.0 -18.4 114 16 295.5 295.7 280.7 298.6 0.98 11 589 4112 -18.5 -25.5 54 7.0 -19.8 115 16 296.3 296.4 280.8 298.9 0.81 12 529 4903 -25.5 -28.1 79 2.6 -25.9 118 16 297.1 297.2 281.1 299.4 0.71 13 500 5310 -28.1 -31.8 71 3.7 -28.6 120 16 298.8 298.9 281.5 300.5 0.53 14 400 6870 -40.7 -43.5 74 2.8 -40.9 150 12 302.1 302.1 282.5 302.8 0.20 15 366 7468 -45.9 -49.5 67 3.6 -46.0 155 10 302.9 303.0 282.7 303.3 0.11 16 362 7541 -46.5 -47.6 88 1.1 -46.6 155 10 303.1 303.1 282.8 303.6 0.14 17 359 7596 -46.9 -48.3 86 1.4 -47.0 156 10 303.3 303.3 282.9 303.7 0.13 18 353 7708 -46.7 -57.7 27 11.0 -47.0 157 9 305.0 305.0 283.5 305.2 0.04 19 340 7956 -48.9 -56.9 39 8.0 -49.1 158 9 305.3 305.3 283.6 305.5 0.05 20 332 8112 -49.3 -61.3 23 12.0 -49.6 160 8 306.8 306.8 284.2 307.0 0.03 21 307 8621 -52.7 -66.7 17 14.0 -52.9 164 6 309.0 309.0 284.9 309.1 0.02 22 300 8770 -53.5 -66.5 19 13.0 -53.7 165 6 309.9 309.9 285.3 310.0 0.02 23 280 9209 -56.7 -66.7 27 10.0 -56.8 174 6 311.5 311.5 285.9 311.6 0.02 24 250 9920 -59.9 -66.9 40 7.0 -60.0 190 5 317.0 317.0 287.8 317.1 0.02 25 245 10047 -58.3 -72.3 15 14.0 -58.5 187 5 321.2 321.2 289.1 321.3 0.01 26 200 11330 -56.1 -81.1 3 25.0 -56.3 155 8 343.9 343.9 295.3 343.9 0.00 27 199 11362 -55.9 -80.9 3 25.0 -56.2 157 8 344.7 344.7 295.4 344.7 0.00 28 150 13150 -57.3 -83.3 2 26.0 -57.6 245 12 371.4 371.4 300.8 371.4 0.00 29 100 15700 -59.1 -86.1 2 27.0 -59.5 250 25 413.5 413.5 306.9 413.5 0.00 30 70 17930 -61.1 -88.1 2 27.0 -61.4 270 27 453.7 453.7 311.2 453.7 0.00 31 50 20000 -65.1 -89.1 2 24.0 -65.4 290 37 490.1 490.1 314.2 490.1 0.00 32 30 23080 -68.5 -91.5 2 23.0 -68.8 285 53 557.9 557.9 318.5 557.9 0.00 33 20 25490 -71.5 -93.5 2 22.0 -71.8 290 65 617.3 617.3 321.4 617.3 0.00 34 16 26803 -73.1 -94.1 3 21.0 -73.4 652.8 652.8 322.8 652.8 0.00 TRP 250 9920 -59.9 -66.9 40 7.0 -60.0 190 5 317.0 317.0 287.8 317.1 0.02 WND Sounding variables and indices 1000-500 mb thick: 5338.00 m Freezing level: 878.06 mb = 1030.40 m = 3380.54 ft Wetbulb zero: 925.66 mb = 601.33 m = 1972.84 ft Precipitable water: 0.42 inches Sfc-500 mean rel hum: 71.24 % Est. max temperature: 10.91 C = 51.65 F Sfc-Lift cond lev (LCL): 890.55 mb = 912.72 m = 2994.46 ft T: 1.06 C 700-500 lapse rate: 6.79 C/km ThetaE index: 0.09 C Layer 925.0- 862.0 mb Conv cond level (CCL): 754.62 mb = 2221.69 m = 7288.91 ft Mean mixing ratio: 2.86 g/kg Conv temperature: 13.99 C = 57.18 F Cap Strength: 7.38 C Lifted Index: 7.97 C Risk: None Lifted Index @300 mb: 14.04 C Lifted Index @700 mb: 4.41 C Showalter Index: 6.74 C Risk: None Total Totals Index: 47.40 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 26.20 C Cross Totals Index: 21.20 C K Index: 18.60 Risk: < 20 % chance of thunderstorms Sweat Index: 70.00 Risk: None Energy Index: 1.81 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 15.91 J/kg Max Up Vert Vel: 5.64 m/s Conv Inhibition (B-): 46677.41 J/kg Cap Strength: 7.94 C Lift Cond Lev (LCL): 821.53 mb = 1557.41 m = 5109.54 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 133 at 14 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 ---------------------------------------------------------- 0 992 52 65 10 -9.1 -4.2 | 354 14 1.4 -14.1 1 925 607 85 32 -31.9 -2.8 | 59 25 -21.4 -12.6 2 850 1287 90 27 -27.0 0.0 | 59 19 -16.6 -9.8 3 700 2805 110 16 -15.0 5.5 | 46 6 -4.6 -4.4 4 500 5310 120 16 -13.9 8.0 | 62 4 -3.4 -1.8 5 400 6870 150 12 -6.0 10.4 | 263 4 4.4 0.5 6 300 8770 165 6 -1.6 5.8 | 294 10 8.9 -4.1 7 250 9920 190 5 0.9 4.9 | 294 12 11.3 -4.9 8 200 11330 155 8 -3.4 7.3 | 290 8 7.1 -2.6 9 150 13150 245 12 10.9 5.1 | 283 22 21.3 -4.8 10 100 15700 250 25 23.5 8.6 | 272 34 33.9 -1.3 11 70 17930 270 27 27.0 -0.0 | 285 39 37.4 -9.8 12 50 20000 290 37 34.8 -12.7 | 296 51 45.2 -22.5 13 30 23080 285 53 51.2 -13.7 | 291 66 61.6 -23.6 14 20 25490 290 65 61.1 -22.2 | 294 78 71.5 -32.1 Wind Parameters Mean winds (0-6000m): 103.3 at 19.1 knts Storm direction: 133.3 at 14.4 knts Shear (0-3000m) pos: 2.0 neg: 0.0 tot: 2.0 10-3/s Storm rel Dir Shear (0-3000m): 53.1 deg Storm rel helicity (0-3000m) pos: 101.9 neg: -5.4 tot: 96.5 m^2/s^2 ave: 32.2 10^-3 m/s^2 rel: 0.45 Storm rel vorticity (0-3000m) horiz: 7.2 stream: 3.2 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 1.86 Bulk Shear: 8.56 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 80 20 34 16| 21.1 0.0 21.1| 87.1 0.0 87.1 174.2 0.89| 21.5 19.1 1000 84 25 49 19| 10.3 0.0 10.3| 99.8 -0.1 99.6 99.6 0.78| 13.6 10.6 1500 86 26 52 19| 5.8 0.0 5.8|101.2 -0.6 100.6 67.1 0.67| 10.6 7.1 2000 88 25 54 18| 3.7 0.0 3.7|101.7 -1.0 100.7 50.4 0.59| 9.1 5.3 2500 90 24 54 17| 2.5 0.0 2.5|101.7 -3.5 98.2 39.3 0.50| 8.2 4.1 3000 92 23 54 15| 2.0 0.0 2.0|101.9 -5.4 96.5 32.2 0.45| 7.2 3.2 4000 96 21 54 13| 1.6 0.0 1.6|102.6 -5.4 97.3 24.3 0.45| 5.5 2.5 5000 100 20 55 11| 1.3 0.0 1.3|103.3 -5.4 97.9 19.6 0.45| 4.5 2.0 6000 103 19 56 10| 1.2 0.0 1.2|103.5 -5.4 98.1 16.4 0.40| 4.2 1.7 Wrote GIF file: /home/apache/climate/data/raob//BIKF/skewt/BIKF.skewt.20251207.23.gif