UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025100923.upa.cvt Date: 2300Z 9 OCT 25 Searching for BIKF... Searching the city database file for: BIKF ... Date:2300Z 9 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 -9 235 18 SFC 994 52 9.0 7.9 93 1.1 8.4 235 18 282.6 283.8 281.8 301.2 6.73 2 925 633 4.8 4.7 99 0.1 4.8 245 47 284.2 285.2 281.5 300.4 5.79 3 850 1319 1.0 1.0 100 0.0 1.0 250 40 287.2 288.0 281.7 300.9 4.84 4 790 1904 -1.5 -2.2 95 0.7 -1.8 250 49 290.6 291.3 282.4 302.5 4.12 5 758 2231 -4.9 -26.9 16 22.0 -9.7 250 55 290.4 290.5 277.7 292.1 0.56 6 741 2410 -4.3 -31.3 10 27.0 -9.8 250 58 292.9 293.0 278.7 294.2 0.38 7 721 2626 -3.3 -14.3 42 11.0 -6.9 250 61 296.3 296.6 282.1 301.7 1.75 8 713 2714 -2.7 -3.9 91 1.2 -3.2 250 63 297.9 298.7 285.3 309.9 4.02 9 700 2860 -2.3 -5.3 80 3.0 -3.6 250 65 299.9 300.6 285.7 311.1 3.68 10 683 3055 -3.3 -7.0 76 3.7 -4.8 250 67 300.9 301.5 285.7 311.0 3.31 11 555 4675 -11.3 -12.4 92 1.1 -11.7 253 88 309.9 310.4 288.2 318.4 2.66 12 532 4999 -12.9 -16.7 73 3.8 -14.1 254 92 311.7 312.1 288.1 318.1 1.95 13 500 5470 -16.3 -16.7 97 0.4 -16.4 255 98 313.2 313.6 288.7 319.9 2.07 14 456 6155 -20.7 -20.7 100 0.0 -20.7 253 98 316.0 316.3 289.2 321.4 1.61 15 446 6318 -21.3 -24.3 77 3.0 -22.0 252 97 317.3 317.5 289.2 321.4 1.20 16 418 6792 -24.7 -28.8 69 4.1 -25.5 251 97 318.8 319.0 289.3 321.8 0.85 17 400 7110 -26.9 -28.3 88 1.4 -27.2 250 97 320.0 320.2 289.8 323.3 0.93 18 393 7237 -27.7 -28.3 95 0.6 -27.8 250 98 320.6 320.8 289.9 323.9 0.94 19 361 7844 -31.7 -34.4 77 2.7 -32.1 252 104 323.1 323.2 290.3 325.2 0.57 20 350 8063 -33.3 -34.0 93 0.7 -33.4 252 107 323.8 324.0 290.6 326.1 0.62 21 342 8225 -33.9 -39.9 55 6.0 -34.6 253 108 325.2 325.2 290.7 326.5 0.35 22 334 8391 -35.1 -44.1 39 9.0 -35.9 253 110 325.7 325.8 290.7 326.6 0.23 23 331 8454 -35.7 -46.7 31 11.0 -36.5 253 111 325.8 325.8 290.7 326.4 0.17 24 300 9130 -41.7 -49.7 42 8.0 -42.2 255 118 326.6 326.6 290.9 327.1 0.14 25 250 10330 -52.7 -56.8 61 4.1 -52.8 255 127 327.7 327.7 291.2 328.0 0.07 26 242 10539 -54.7 -58.1 66 3.4 -54.8 255 126 327.8 327.8 291.2 328.0 0.06 27 233 10780 -56.7 -61.6 54 4.9 -56.8 255 124 328.3 328.3 291.3 328.5 0.04 28 220 11145 -54.3 -66.6 21 12.3 -54.5 255 131 337.5 337.5 293.7 337.6 0.02 29 209 11475 -52.1 -71.1 8 19.0 -52.4 260 109 345.9 345.9 295.7 345.9 0.01 30 200 11760 -51.1 -72.1 6 21.0 -51.5 265 90 351.8 351.9 297.0 351.9 0.01 31 192 12028 -49.3 -73.3 4 24.0 -49.8 264 87 358.9 358.9 298.5 358.9 0.01 32 154 13461 -54.9 -77.9 4 23.0 -55.2 256 70 372.7 372.7 301.0 372.7 0.01 33 150 13630 -54.5 -77.5 4 23.0 -54.9 255 68 376.2 376.2 301.6 376.2 0.01 34 118 15161 -56.3 -81.3 3 25.0 -56.7 264 49 399.6 399.6 305.2 399.6 0.00 35 100 16220 -53.1 -81.1 2 28.0 -53.8 270 36 425.1 425.1 308.3 425.2 0.01 36 76 17955 -61.9 -85.9 3 24.0 -62.2 285 23 441.5 441.5 310.0 441.5 0.00 37 73 18205 -60.9 -86.9 2 26.0 -61.3 288 21 448.7 448.7 310.7 448.7 0.00 38 71 18380 -56.5 -85.5 1 29.0 -57.1 289 20 461.6 461.6 311.9 461.7 0.00 39 70 18470 -57.3 -85.3 2 28.0 -57.9 290 19 461.8 461.8 312.0 461.8 0.00 40 63 19129 -61.7 -87.7 2 26.0 -62.1 274 19 466.2 466.2 312.3 466.2 0.00 41 61 19330 -57.7 -86.7 1 29.0 -58.3 270 19 479.4 479.4 313.4 479.5 0.00 42 50 20580 -59.1 -87.1 1 28.0 -59.7 240 18 504.2 504.2 315.2 504.2 0.00 43 36 22639 -59.3 -88.3 1 29.0 -60.2 553.4 553.4 318.3 553.4 0.00 TRP 233 10780 -56.7 -61.6 54 4.9 -56.8 255 124 328.3 328.3 291.3 328.5 0.04 WND 220 11145 -54.3 -66.6 21 12.3 -54.5 255 131 337.5 337.5 293.7 337.6 0.02 Sounding variables and indices 1000-500 mb thick: 5479.00 m Freezing level: 826.00 mb = 1553.13 m = 5095.51 ft Wetbulb zero: 828.33 mb = 1525.51 m = 5004.89 ft Precipitable water: 0.81 inches Sfc-500 mean rel hum: 81.64 % Est. max temperature: 13.88 C = 56.98 F Sfc-Lift cond lev (LCL): 977.62 mb = 186.20 m = 610.88 ft T: 8.03 C 700-500 lapse rate: 5.36 C/km ThetaE index: 10.40 C Layer 758.0- 741.0 mb Conv cond level (CCL): 935.65 mb = 540.58 m = 1773.55 ft Mean mixing ratio: 6.05 g/kg Conv temperature: 10.33 C = 50.60 F Cap Strength: 11.81 C Lifted Index: 12.19 C Risk: None Lifted Index @300 mb: 18.46 C Lifted Index @700 mb: 6.76 C Showalter Index: 11.98 C Risk: None Total Totals Index: 34.60 C Risk: None Vertical Totals Index: 17.30 C Cross Totals Index: 17.30 C K Index: 15.30 Risk: < 20 % chance of thunderstorms Sweat Index: 225.89 Risk: None Energy Index: 3.87 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 10.21 J/kg Max Up Vert Vel: 4.52 m/s Conv Inhibition (B-): 0.00 J/kg Cap Strength: 12.10 C Lift Cond Lev (LCL): 936.98 mb = 529.09 m = 1735.85 ft Lev Free Conv (LFC): 931.98 mb = 572.30 m = 1877.61 ft Equ Level (EL): 891.98 mb = 927.92 m = 3044.31 ft B at Equ Level: 10.17 J/kg Max Parcel Lev (MPL): 801.98 mb = 1784.00 m = 5852.93 ft Wind level data Storm motion: 282 at 50 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 ---------------------------------------------------------- 0 994 52 235 18 14.7 10.3 | 121 40 -34.3 20.4 1 925 633 245 47 42.6 19.9 | 168 31 -6.5 30.0 2 850 1319 250 40 37.6 13.7 | 154 26 -11.5 23.8 3 700 2860 250 65 61.1 22.2 | 200 35 12.0 32.4 4 500 5470 255 98 94.7 25.4 | 232 58 45.6 35.5 5 400 7110 250 97 91.2 33.2 | 224 60 42.1 43.3 6 300 9130 255 118 114.0 30.5 | 238 77 64.9 40.7 7 250 10330 255 127 122.7 32.9 | 240 85 73.6 43.0 8 233 10780 255 124 119.8 32.1 | 239 82 70.7 42.2 9 220 11145 255 131 126.5 33.9 | 240 89 77.5 44.0 10 200 11760 265 90 89.7 7.8 | 246 44 40.6 18.0 11 150 13630 255 68 65.7 17.6 | 211 32 16.6 27.7 12 100 16220 270 36 36.0 -0.0 | 128 17 -13.1 10.1 13 70 18470 290 19 17.9 -6.5 | 97 31 -31.2 3.6 14 50 20580 240 18 15.6 9.0 | 120 39 -33.5 19.1 Wind Parameters Mean winds (0-6000m): 251.7 at 66.8 knts Storm direction: 281.7 at 50.1 knts Shear (0-3000m) pos: 5.9 neg: 2.8 tot: 8.6 10-3/s Storm rel Dir Shear (0-3000m): 83.0 deg Storm rel helicity (0-3000m) pos: 438.3 neg: -44.8 tot: 393.5 m^2/s^2 ave: 131.2 10^-3 m/s^2 rel: 0.72 Storm rel vorticity (0-3000m) horiz: 10.9 stream: 7.9 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 0.06 Bulk Shear: 183.53 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 ------------------------------------------------------------------------------- 500 242 30 138 33| 26.0 0.0 26.0|216.2 0.0 216.2 432.3 0.93| 26.1 24.3 1000 244 38 150 30| 13.1 0.0 13.1|248.6 -28.8 219.8 219.8 0.70| 17.6 12.3 1500 246 39 153 29| 9.2 0.0 9.2|271.2 -44.8 226.4 150.9 0.62| 13.7 8.5 2000 247 41 157 28| 6.9 2.1 9.0|327.7 -44.8 282.8 141.4 0.68| 12.4 8.4 2500 248 44 163 28| 5.5 3.3 8.9|384.1 -44.8 339.3 135.7 0.71| 11.6 8.2 3000 248 47 170 28| 5.9 2.8 8.6|438.3 -44.8 393.5 131.2 0.72| 10.9 7.9 4000 249 54 182 29| 6.1 2.1 8.1|543.0 -44.8 498.2 124.5 0.73| 9.9 7.2 5000 251 61 195 31| 6.2 1.7 7.8|655.2 -44.8 610.4 122.1 0.72| 9.2 6.7 6000 252 67 205 34| 5.6 1.4 7.0|702.8 -87.6 615.2 102.5 0.67| 8.4 5.6 Wrote GIF file: /home/apache/climate/data/raob//BIKF/skewt/BIKF.skewt.20251009.23.gif