UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121111.upa.cvt Date: 1100Z 11 DEC 25 Searching for BIKF... Searching the city database file for: BIKF ... Date:1100Z 11 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 -246 SFC 966 52 5.4 3.1 85 2.3 4.3 80 14 281.3 282.2 279.1 295.0 4.95 2 925 392 3.4 1.6 88 1.8 2.5 95 56 282.8 283.6 279.4 295.7 4.64 3 869 897 0.2 0.2 100 0.0 0.2 106 74 284.6 285.3 280.1 297.1 4.46 4 850 1074 -0.9 -0.9 100 0.0 -0.9 110 81 285.2 285.9 280.1 297.1 4.21 5 700 2605 -8.5 -9.6 92 1.1 -8.9 120 65 293.1 293.5 281.7 300.9 2.63 6 688 2739 -8.9 -11.8 79 2.9 -9.9 119 65 294.1 294.5 281.7 300.9 2.25 7 649 3188 -12.3 -13.1 94 0.8 -12.5 116 67 295.2 295.6 282.1 301.7 2.15 8 616 3586 -14.7 -21.7 55 7.0 -16.3 112 68 296.9 297.1 281.5 300.3 1.09 9 565 4237 -17.3 -19.9 80 2.6 -17.9 107 70 301.2 301.5 283.7 305.7 1.39 10 552 4412 -15.9 -19.3 75 3.4 -16.8 106 71 304.9 305.2 285.2 309.7 1.50 11 500 5150 -21.7 -24.2 80 2.5 -22.2 100 73 306.6 306.8 285.4 310.1 1.08 12 457 5805 -27.3 -27.4 99 0.1 -27.3 100 77 307.6 307.7 285.5 310.5 0.88 13 414 6509 -33.1 -36.2 74 3.1 -33.4 100 82 308.9 309.0 285.4 310.4 0.42 14 400 6750 -35.3 -37.5 80 2.2 -35.5 100 84 309.1 309.2 285.5 310.4 0.38 15 396 6820 -35.9 -38.5 77 2.6 -36.1 101 85 309.2 309.3 285.5 310.4 0.35 16 394 6855 -36.3 -43.3 48 7.0 -36.8 102 86 309.1 309.2 285.3 309.9 0.21 17 391 6908 -36.9 -41.9 60 5.0 -37.3 103 86 309.0 309.1 285.3 309.9 0.25 18 385 7015 -37.5 -52.6 19 15.1 -38.2 105 88 309.6 309.6 285.3 309.9 0.08 19 381 7087 -37.9 -59.9 8 22.0 -38.7 105 87 310.0 310.0 285.4 310.1 0.03 20 300 8700 -47.3 -66.3 10 19.0 -47.7 105 71 318.7 318.7 288.3 318.8 0.02 21 272 9338 -51.7 -70.7 9 19.0 -52.0 105 70 321.4 321.4 289.2 321.4 0.01 22 250 9880 -53.9 -72.9 8 19.0 -54.1 105 69 325.9 325.9 290.6 326.0 0.01 23 243 10062 -54.5 -73.5 8 19.0 -54.7 105 68 327.7 327.7 291.0 327.7 0.01 24 203 11223 -51.3 -79.3 2 28.0 -51.7 137 62 350.0 350.0 296.7 350.1 0.00 25 200 11320 -51.5 -79.5 2 28.0 -51.9 140 61 351.2 351.2 296.9 351.2 0.00 26 150 13180 -53.7 -82.7 2 29.0 -54.1 160 52 377.5 377.5 301.9 377.6 0.00 27 100 15760 -56.9 -84.9 2 28.0 -57.3 180 52 417.8 417.8 307.4 417.8 0.00 28 94 16152 -56.1 -85.1 1 29.0 -56.6 184 49 426.8 426.8 308.5 426.8 0.00 29 84 16862 -59.1 -86.1 2 27.0 -59.5 192 45 434.7 434.7 309.3 434.7 0.00 30 77 17410 -56.7 -85.7 1 29.0 -57.3 198 41 450.6 450.6 310.9 450.6 0.00 31 72 17833 -59.3 -86.3 2 27.0 -59.7 203 38 453.8 453.9 311.2 453.9 0.00 32 70 18010 -57.3 -86.3 1 29.0 -57.9 205 37 461.8 461.8 312.0 461.8 0.00 33 50 20120 -59.7 -87.7 1 28.0 -60.3 215 31 502.8 502.8 315.1 502.8 0.00 34 30 23280 -63.9 -89.9 2 26.0 -64.5 245 41 570.4 570.4 319.2 570.5 0.00 35 29 23487 -64.1 -90.1 2 26.0 -64.7 245 41 575.4 575.4 319.5 575.5 0.00 36 26 24158 -62.1 -89.1 2 27.0 -62.9 243 42 599.4 599.4 320.6 599.4 0.01 37 20 25760 -66.5 -91.5 2 25.0 -67.1 240 45 632.6 632.6 322.0 632.6 0.00 38 15 27484 -70.7 -93.7 2 23.0 -71.2 672.9 672.9 323.5 672.9 0.00 39 14 27895 -68.7 -92.7 2 24.0 -69.4 693.1 693.1 324.2 693.1 0.00 TRP 243 10062 -54.5 -73.5 8 19.0 -54.7 105 68 327.7 327.7 291.0 327.7 0.01 WND 385 7015 -37.5 -52.6 19 15.1 -38.2 105 88 309.6 309.6 285.3 309.9 0.08 Sounding variables and indices 1000-500 mb thick: 5396.00 m Freezing level: 865.55 mb = 928.97 m = 3047.77 ft Wetbulb zero: 865.66 mb = 927.60 m = 3043.26 ft Precipitable water: 0.58 inches Sfc-500 mean rel hum: 85.34 % Est. max temperature: 10.88 C = 51.59 F Sfc-Lift cond lev (LCL): 932.39 mb = 329.63 m = 1081.46 ft T: 3.77 C 700-500 lapse rate: 5.19 C/km ThetaE index: 0.00 C Layer 850.0- 700.0 mb Conv cond level (CCL): 881.47 mb = 781.60 m = 2564.28 ft Mean mixing ratio: 4.65 g/kg Conv temperature: 8.20 C = 46.76 F Cap Strength: 9.74 C Lifted Index: 10.07 C Risk: None Lifted Index @300 mb: 16.14 C Lifted Index @700 mb: 3.26 C Showalter Index: 9.28 C Risk: None Total Totals Index: 41.60 C Risk: None Vertical Totals Index: 20.80 C Cross Totals Index: 20.80 C K Index: 18.80 Risk: < 20 % chance of thunderstorms Sweat Index: 235.00 Risk: None Energy Index: 2.64 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 11.92 J/kg Max Up Vert Vel: 4.88 m/s Conv Inhibition (B-): 54851.12 J/kg Cap Strength: 10.03 C Lift Cond Lev (LCL): 895.95 mb = 649.91 m = 2132.22 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 138 at 52 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 ---------------------------------------------------------- 0 966 52 80 14 -13.8 -2.4 | 333 46 20.9 -41.0 1 925 392 95 56 -55.8 4.9 | 32 40 -21.1 -33.7 2 850 1074 110 81 -76.1 27.7 | 75 43 -41.5 -10.9 3 700 2605 120 65 -56.3 32.5 | 74 22 -21.6 -6.1 4 500 5150 100 73 -71.9 12.7 | 55 45 -37.2 -25.9 5 400 6750 100 84 -82.7 14.6 | 63 54 -48.1 -24.0 6 385 7015 105 88 -85.0 22.8 | 73 53 -50.3 -15.8 7 300 8700 105 71 -68.6 18.4 | 59 39 -33.9 -20.2 8 250 9880 105 69 -66.6 17.9 | 57 38 -32.0 -20.7 9 243 10062 105 68 -65.7 17.6 | 56 37 -31.0 -21.0 10 200 11320 140 61 -39.2 46.7 | 151 9 -4.6 8.2 11 150 13180 160 52 -17.8 48.9 | 239 20 16.9 10.3 12 100 15760 180 52 0.0 52.0 | 249 37 34.7 13.4 13 70 18010 205 37 15.6 33.5 | 276 51 50.3 -5.0 14 50 20120 215 31 17.8 25.4 | 284 54 52.4 -13.2 15 30 23280 245 41 37.2 17.3 | 286 75 71.8 -21.2 16 20 25760 240 45 39.0 22.5 | 282 75 73.6 -16.1 Wind Parameters Mean winds (0-6000m): 108.1 at 69.1 knts Storm direction: 138.1 at 51.9 knts Shear (0-3000m) pos: 9.5 neg: 0.6 tot: 10.2 10-3/s Storm rel Dir Shear (0-3000m): 97.1 deg Storm rel helicity (0-3000m) pos: 785.3 neg: -17.3 tot: 767.9 m^2/s^2 ave: 256.0 10^-3 m/s^2 rel: 0.73 Storm rel vorticity (0-3000m) horiz: 16.7 stream: 12.1 10^-3/s Energy-Hel index: 0.06 Bulk Rich Number: 0.10 Bulk Shear: 117.92 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 94 42 12 36| 50.2 0.0 50.2|524.8 0.0 524.8 1049.5 0.98| 51.5 50.6 1000 101 57 37 35| 35.2 0.0 35.2|767.5 0.0 767.5 767.5 0.98| 37.5 36.9 1500 105 64 51 35| 22.2 0.0 22.2|784.5 0.0 784.5 523.0 0.92| 27.4 25.1 2000 108 66 57 34| 15.5 0.0 15.5|785.3 -0.6 784.7 392.4 0.85| 22.3 18.9 2500 110 67 60 32| 11.4 0.0 11.4|785.3 -5.1 780.2 312.1 0.78| 19.1 15.0 3000 111 67 62 31| 9.5 0.6 10.2|785.3 -17.3 767.9 256.0 0.73| 16.7 12.1 4000 112 67 63 31| 7.1 1.7 8.9|785.3 -51.2 734.1 183.5 0.62| 13.8 8.6 5000 110 68 62 33| 5.7 2.4 8.2|785.3 -99.4 685.9 137.2 0.53| 12.1 6.4 6000 108 69 61 35| 4.8 2.4 7.2|837.6-104.9 732.7 122.1 0.53| 10.7 5.6 Wrote GIF file: /home/apache/climate/data/raob//BIKF/skewt/BIKF.skewt.20251211.11.gif