UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120823.upa.cvt Date: 2300Z 8 DEC 25 Searching for BIKF... Searching the city database file for: BIKF ... Date:2300Z 8 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 -35 80 7 SFC 991 52 5.0 -2.0 60 7.0 2.1 80 7 278.9 279.4 275.7 288.1 3.33 2 984 108 5.6 -3.4 52 9.0 2.0 83 8 280.0 280.6 275.9 288.5 3.02 3 925 599 2.4 -4.6 60 7.0 -0.3 110 19 281.8 282.3 276.7 290.1 2.93 4 850 1278 -1.9 -8.9 59 7.0 -4.3 120 33 284.2 284.6 277.0 290.8 2.29 5 839 1382 -1.7 -7.7 64 6.0 -3.9 117 33 285.4 285.9 278.0 292.8 2.55 6 744 2324 -9.5 -9.9 97 0.4 -9.6 93 29 286.9 287.3 278.6 294.0 2.42 7 739 2376 -9.7 -10.5 94 0.8 -9.9 91 29 287.3 287.7 278.6 294.1 2.32 8 728 2491 -9.1 -12.6 76 3.5 -10.2 88 28 289.1 289.5 279.1 295.1 1.99 9 717 2609 -9.5 -13.8 71 4.3 -10.8 85 28 290.0 290.3 279.3 295.5 1.83 10 700 2794 -10.9 -14.8 73 3.9 -12.0 80 27 290.4 290.7 279.4 295.6 1.73 11 621 3703 -16.3 -19.0 80 2.7 -17.0 101 20 294.3 294.6 280.7 298.6 1.37 12 536 4789 -25.1 -25.6 96 0.5 -25.2 128 11 296.5 296.6 281.0 299.3 0.89 13 500 5290 -28.9 -30.7 84 1.8 -29.2 140 7 297.8 297.9 281.2 299.7 0.59 14 446 6095 -35.9 -39.5 69 3.6 -36.2 114 11 298.9 298.9 281.3 299.8 0.28 15 416 6574 -40.5 -43.8 70 3.3 -40.7 99 13 299.0 299.0 281.2 299.6 0.19 16 400 6840 -41.9 -45.0 72 3.1 -42.1 90 14 300.5 300.6 281.8 301.1 0.17 17 364 7476 -45.7 -48.9 70 3.2 -45.8 98 21 303.7 303.7 283.0 304.1 0.12 18 303 8676 -55.3 -59.4 60 4.1 -55.4 114 34 306.5 306.5 284.1 306.7 0.04 19 300 8740 -55.7 -59.5 62 3.8 -55.8 115 35 306.8 306.8 284.2 307.0 0.04 20 280 9173 -59.3 -61.9 72 2.6 -59.3 122 34 307.8 307.8 284.5 307.9 0.03 21 273 9330 -59.9 -62.9 68 3.0 -59.9 125 34 309.1 309.1 285.0 309.2 0.03 22 268 9445 -59.1 -70.1 23 11.0 -59.2 124 31 311.9 311.9 286.0 312.0 0.01 23 250 9880 -57.3 -72.3 13 15.0 -57.5 120 18 320.9 320.9 289.0 320.9 0.01 24 249 9905 -56.9 -71.9 13 15.0 -57.1 121 18 321.8 321.8 289.3 321.9 0.01 25 227 10491 -58.1 -74.1 11 16.0 -58.3 148 18 328.6 328.6 291.3 328.7 0.01 26 200 11300 -53.3 -77.3 4 24.0 -53.7 185 17 348.4 348.4 296.3 348.4 0.01 27 197 11397 -52.5 -76.5 4 24.0 -52.9 187 17 351.1 351.1 296.9 351.2 0.01 28 150 13140 -54.5 -82.5 2 28.0 -54.9 225 19 376.2 376.2 301.6 376.2 0.00 29 134 13857 -58.5 -84.5 2 26.0 -58.7 229 22 381.4 381.4 302.5 381.4 0.00 30 100 15700 -58.3 -85.3 2 27.0 -58.7 240 29 415.1 415.1 307.2 415.1 0.00 31 70 17930 -59.9 -86.9 2 27.0 -60.3 245 37 456.2 456.2 311.4 456.3 0.00 32 55 19437 -59.7 -87.7 1 28.0 -60.2 256 46 489.3 489.3 314.2 489.3 0.00 33 50 20030 -61.9 -88.9 2 27.0 -62.4 260 50 497.6 497.6 314.8 497.6 0.00 34 46 20544 -63.7 -89.7 2 26.0 -64.1 262 49 505.3 505.3 315.3 505.3 0.00 35 43 20959 -62.5 -89.5 1 27.0 -63.0 264 49 518.1 518.1 316.2 518.1 0.00 36 30 23150 -68.1 -91.1 2 23.0 -68.4 275 46 559.0 559.0 318.6 559.0 0.00 37 20 25560 -72.1 -93.1 3 21.0 -72.4 280 84 615.5 615.5 321.3 615.5 0.00 38 17 26515 -72.9 -93.9 3 21.0 -73.2 642.2 642.2 322.4 642.2 0.00 39 12 28559 -72.7 -93.7 3 21.0 -73.1 710.2 710.2 324.7 710.2 0.00 TRP 273 9330 -59.9 -62.9 68 3.0 -59.9 125 34 309.1 309.1 285.0 309.2 0.03 WND Sounding variables and indices 1000-500 mb thick: 5325.00 m Freezing level: 883.14 mb = 977.98 m = 3208.55 ft Wetbulb zero: 933.57 mb = 525.87 m = 1725.27 ft Precipitable water: 0.41 inches Sfc-500 mean rel hum: 76.53 % Est. max temperature: 11.31 C = 52.35 F Sfc-Lift cond lev (LCL): 889.55 mb = 912.76 m = 2994.59 ft T: 0.41 C 700-500 lapse rate: 7.21 C/km Conv cond level (CCL): 772.95 mb = 2024.33 m = 6641.43 ft Mean mixing ratio: 2.92 g/kg Conv temperature: 12.58 C = 54.64 F Cap Strength: 7.08 C Lifted Index: 7.64 C Risk: None Lifted Index @300 mb: 12.31 C Lifted Index @700 mb: 5.02 C Showalter Index: 6.71 C Risk: None Total Totals Index: 47.00 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 27.00 C Cross Totals Index: 20.00 C K Index: 14.20 Risk: None Sweat Index: 73.00 Risk: None Energy Index: 1.86 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 10.53 J/kg Max Up Vert Vel: 4.59 m/s Conv Inhibition (B-): 55550.23 J/kg Cap Strength: 7.60 C Lift Cond Lev (LCL): 834.47 mb = 1424.00 m = 4671.84 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 132 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 ---------------------------------------------------------- 0 991 52 80 7 -6.9 -1.2 | 339 12 4.2 -11.1 1 925 599 110 19 -17.9 6.5 | 64 8 -6.8 -3.3 2 850 1278 120 33 -28.6 16.5 | 111 19 -17.5 6.7 3 700 2794 80 27 -26.6 -4.7 | 47 21 -15.5 -14.5 4 500 5290 140 7 -4.5 5.4 | 304 8 6.6 -4.5 5 400 6840 90 14 -14.0 0.0 | 17 10 -2.9 -9.8 6 300 8740 115 35 -31.7 14.8 | 103 21 -20.7 4.9 7 273 9330 125 34 -27.9 19.5 | 120 19 -16.8 9.7 8 250 9880 120 18 -15.6 9.0 | 79 5 -4.5 -0.8 9 200 11300 185 17 1.5 16.9 | 240 14 12.5 7.1 10 150 13140 225 19 13.4 13.4 | 262 25 24.5 3.6 11 100 15700 240 29 25.1 14.5 | 263 36 36.2 4.7 12 70 17930 245 37 33.5 15.6 | 263 45 44.6 5.8 13 50 20030 260 50 49.2 8.7 | 271 60 60.3 -1.2 14 30 23150 275 46 45.8 -4.0 | 284 59 56.9 -13.9 15 20 25560 280 84 82.7 -14.6 | 285 97 93.8 -24.4 Wind Parameters Mean winds (0-6000m): 101.7 at 19.7 knts Storm direction: 131.7 at 14.8 knts Shear (0-3000m) pos: 4.0 neg: 2.5 tot: 6.4 10-3/s Storm rel Dir Shear (0-3000m): 70.9 deg Storm rel helicity (0-3000m) pos: 64.5 neg: -106.7 tot: -42.2 m^2/s^2 ave: -14.1 10^-3 m/s^2 rel: 0.04 Storm rel vorticity (0-3000m) horiz: 9.0 stream: 0.4 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 1.51 Bulk Shear: 6.99 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 ------------------------------------------------------------------------------- 500 101 12 9 8| 12.5 0.0 12.5| 28.2 0.0 28.2 56.4 0.93| 13.0 12.1 1000 109 18 55 7| 11.9 0.0 11.9| 49.7 0.0 49.7 49.7 0.84| 12.2 10.2 1500 113 22 84 9| 7.9 1.4 9.3| 60.1 -19.2 40.9 27.3 0.57| 11.0 6.3 2000 111 24 85 12| 5.9 2.3 8.2| 60.1 -55.7 4.4 2.2 0.28| 10.1 2.8 2500 108 25 81 13| 4.8 3.0 7.8| 60.1 -91.2 -31.1 -12.4 0.09| 9.5 0.9 3000 104 26 75 14| 4.0 2.5 6.4| 64.5-106.7 -42.2 -14.1 0.04| 9.0 0.4 4000 102 25 69 14| 3.0 1.8 4.9| 69.4-107.8 -38.4 -9.6 0.04| 8.3 0.4 5000 101 22 62 12| 2.2 1.5 3.7| 69.4-114.6 -45.1 -9.0 -0.05| 7.6 -0.4 6000 102 20 55 10| 1.9 1.4 3.3| 76.0-115.2 -39.2 -6.5 -0.00| 6.9 -0.0 Wrote GIF file: /home/apache/climate/data/raob//BIKF/skewt/BIKF.skewt.20251208.23.gif