UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025103111.upa.cvt Date: 1100Z 31 OCT 25 Searching for BIKF... Searching the city database file for: BIKF ... Date:1100Z 31 OCT 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 -173 SFC 974 52 4.0 0.2 76 3.8 2.3 30 21 279.2 279.9 276.8 290.3 3.98 2 925 460 1.6 -0.6 85 2.2 0.7 55 40 280.9 281.6 277.6 292.0 3.95 3 870 952 -1.5 -2.5 93 1.0 -1.9 66 42 282.7 283.3 278.2 293.0 3.65 4 850 1137 -1.7 -2.8 92 1.1 -2.1 70 43 284.4 285.0 279.0 294.7 3.66 5 781 1808 -3.9 -5.4 89 1.5 -4.5 81 36 289.0 289.5 280.7 298.5 3.27 6 704 2621 -8.3 -8.7 97 0.4 -8.4 94 27 292.8 293.3 281.8 301.2 2.81 7 700 2665 -8.7 -9.1 97 0.4 -8.8 95 27 292.9 293.3 281.8 301.0 2.74 8 635 3414 -12.3 -13.7 89 1.4 -12.8 104 30 297.0 297.4 282.8 303.4 2.09 9 500 5200 -23.5 -25.3 85 1.8 -23.8 125 37 304.4 304.6 284.4 307.6 0.98 10 464 5740 -27.9 -30.8 76 2.9 -28.3 122 35 305.5 305.6 284.4 307.6 0.63 11 448 5991 -28.9 -39.9 34 11.0 -30.0 120 35 307.3 307.4 284.7 308.2 0.27 12 436 6184 -29.7 -42.7 27 13.0 -30.9 119 34 308.7 308.7 285.1 309.4 0.20 13 435 6200 -29.7 -42.7 27 13.0 -30.9 119 34 308.9 308.9 285.2 309.6 0.20 14 400 6790 -35.1 -46.1 32 11.0 -35.8 115 32 309.4 309.4 285.3 309.9 0.15 15 331 8077 -47.3 -50.0 74 2.7 -47.4 95 28 309.8 309.9 285.4 310.3 0.12 16 300 8720 -52.9 -56.7 63 3.8 -53.0 85 26 310.8 310.8 285.7 311.0 0.06 17 275 9277 -57.3 -60.7 65 3.4 -57.3 105 28 312.3 312.3 286.2 312.4 0.04 18 263 9559 -57.9 -63.9 46 6.0 -58.0 115 29 315.4 315.4 287.2 315.5 0.03 19 250 9880 -56.7 -68.7 21 12.0 -56.8 125 24 321.8 321.8 289.3 321.8 0.01 20 249 9906 -56.5 -69.5 18 13.0 -56.6 126 24 322.4 322.4 289.5 322.5 0.01 21 200 11310 -53.5 -78.5 3 25.0 -53.8 155 18 348.0 348.0 296.2 348.1 0.00 22 150 13170 -50.5 -81.5 1 31.0 -51.1 190 15 383.1 383.1 302.8 383.1 0.00 23 143 13481 -49.7 -81.7 1 32.0 -50.4 190 14 389.7 389.7 303.8 389.7 0.00 24 100 15800 -52.9 -84.9 1 32.0 -53.6 190 10 425.5 425.5 308.3 425.5 0.00 25 70 18080 -56.1 -87.1 1 31.0 -56.8 245 18 464.4 464.4 312.1 464.4 0.00 26 50 20210 -58.7 -87.7 1 29.0 -59.4 250 12 505.2 505.2 315.3 505.2 0.00 27 30 23380 -62.7 -89.7 1 27.0 -63.4 335 12 573.7 573.7 319.3 573.7 0.00 28 20 25860 -66.3 -91.3 2 25.0 -66.9 350 17 633.2 633.2 322.0 633.3 0.00 29 16 27209 -67.1 -92.1 2 25.0 -67.8 672.3 672.4 323.5 672.4 0.00 30 13 28449 -71.5 -93.5 2 22.0 -72.0 698.2 698.3 324.4 698.3 0.00 TRP 263 9559 -57.9 -63.9 46 6.0 -58.0 115 29 315.4 315.4 287.2 315.5 0.03 WND Sounding variables and indices 1000-500 mb thick: 5373.00 m Freezing level: 896.61 mb = 713.74 m = 2341.64 ft Wetbulb zero: 910.83 mb = 583.82 m = 1915.41 ft Precipitable water: 0.55 inches Sfc-500 mean rel hum: 89.37 % Est. max temperature: 10.75 C = 51.35 F Sfc-Lift cond lev (LCL): 918.45 mb = 517.03 m = 1696.28 ft T: 1.24 C 700-500 lapse rate: 5.84 C/km ThetaE index: 0.17 C Layer 700.0- 635.0 mb Conv cond level (CCL): 830.05 mb = 1325.22 m = 4347.79 ft Mean mixing ratio: 3.89 g/kg Conv temperature: 10.36 C = 50.64 F Cap Strength: 7.84 C Lifted Index: 11.37 C Risk: None Lifted Index @300 mb: 13.50 C Lifted Index @700 mb: 5.72 C Showalter Index: 9.20 C Risk: None Total Totals Index: 42.50 C Risk: None Vertical Totals Index: 21.80 C Cross Totals Index: 20.70 C K Index: 18.60 Risk: < 20 % chance of thunderstorms Sweat Index: 123.00 Risk: None Energy Index: 2.64 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 12.47 J/kg Max Up Vert Vel: 4.99 m/s Conv Inhibition (B-): 52157.68 J/kg Cap Strength: 11.37 C Lift Cond Lev (LCL): 890.27 mb = 766.95 m = 2516.21 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 125 at 26 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 ---------------------------------------------------------- 0 974 52 30 21 -10.5 -18.2 | 343 35 10.4 -33.1 1 925 460 55 40 -32.8 -22.9 | 17 40 -11.9 -37.8 2 850 1137 70 43 -40.4 -14.7 | 33 35 -19.5 -29.6 3 700 2665 95 27 -26.9 2.4 | 26 14 -6.0 -12.5 4 500 5200 125 37 -30.3 21.2 | 124 11 -9.4 6.3 5 400 6790 115 32 -29.0 13.5 | 80 8 -8.1 -1.4 6 300 8720 85 26 -25.9 -2.3 | 16 18 -5.0 -17.2 7 263 9559 115 29 -26.3 12.3 | 64 6 -5.4 -2.6 8 250 9880 125 24 -19.7 13.8 | 312 2 1.2 -1.1 9 200 11310 155 18 -7.6 16.3 | 264 13 13.3 1.4 10 150 13170 190 15 2.6 14.8 | 270 23 23.5 -0.1 11 100 15800 190 10 1.7 9.8 | 283 23 22.6 -5.0 12 70 18080 245 18 16.3 7.6 | 281 38 37.2 -7.3 13 50 20210 250 12 11.3 4.1 | 289 34 32.2 -10.8 14 30 23380 335 12 5.1 -10.9 | 315 37 26.0 -25.8 15 20 25860 350 17 3.0 -16.7 | 323 40 23.8 -31.6 Wind Parameters Mean winds (0-6000m): 95.5 at 34.2 knts Storm direction: 125.5 at 25.7 knts Shear (0-3000m) pos: 5.0 neg: 0.0 tot: 5.0 10-3/s Storm rel Dir Shear (0-3000m): 52.9 deg Storm rel helicity (0-3000m) pos: 345.1 neg: -13.3 tot: 331.8 m^2/s^2 ave: 110.6 10^-3 m/s^2 rel: 0.57 Storm rel vorticity (0-3000m) horiz: 10.1 stream: 5.8 10^-3/s Energy-Hel index: 0.03 Bulk Rich Number: 0.13 Bulk Shear: 92.82 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 49 32 5 36| 24.4 0.0 24.4|238.2 0.0 238.2 476.3 0.98| 25.4 24.8 1000 57 37 16 37| 15.0 0.0 15.0|314.9 0.0 314.9 314.9 0.96| 17.0 16.4 1500 62 38 22 35| 9.8 0.0 9.8|336.5 0.0 336.5 224.3 0.84| 14.0 11.7 2000 66 38 25 33| 7.1 0.0 7.1|337.5 -1.6 335.9 167.9 0.71| 12.4 8.8 2500 70 36 26 31| 5.4 0.0 5.4|337.5 -10.8 326.7 130.7 0.58| 11.3 6.6 3000 73 35 26 28| 5.0 0.0 5.0|345.1 -13.3 331.8 110.6 0.57| 10.1 5.8 4000 80 34 31 24| 4.6 0.0 4.6|365.0 -13.3 351.7 87.9 0.61| 8.6 5.2 5000 89 34 40 20| 4.4 0.0 4.4|386.0 -13.3 372.7 74.5 0.65| 7.7 5.0 6000 95 34 49 18| 3.7 0.3 4.0|388.7 -22.5 366.1 61.0 0.58| 6.8 3.9 Wrote GIF file: /home/apache/climate/data/raob//BIKF/skewt/BIKF.skewt.20251031.11.gif