UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025060411.upa.cvt Date: 1100Z 4 JUN 25 Searching for BIKF... Searching the city database file for: BIKF ... Date:1100Z 4 JUN 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 -50 SFC 989 52 5.0 0.0 70 5.0 2.8 5 19 279.0 279.7 276.5 289.7 3.86 2 925 580 -0.3 -0.8 96 0.5 -0.5 15 42 279.0 279.7 276.6 289.8 3.90 3 924 589 -0.5 -1.0 96 0.5 -0.7 15 42 278.9 279.5 276.4 289.5 3.84 4 879 987 -2.3 -4.1 87 1.8 -3.0 18 37 281.0 281.6 276.7 290.1 3.21 5 852 1236 -0.3 -4.6 73 4.3 -2.0 20 34 285.6 286.2 279.0 294.8 3.19 6 850 1255 -0.5 -4.6 74 4.1 -2.1 20 34 285.6 286.2 279.0 294.8 3.19 7 821 1533 -0.7 -5.7 69 5.0 -2.7 22 33 288.3 288.8 280.1 297.1 3.04 8 771 2031 -4.5 -6.1 89 1.6 -5.1 25 31 289.4 289.9 280.7 298.6 3.14 9 700 2787 -8.3 -12.0 75 3.7 -9.5 30 28 293.3 293.7 281.3 299.9 2.17 10 647 3392 -12.1 -16.9 67 4.8 -13.4 26 28 295.7 296.0 281.5 300.5 1.57 11 646 3404 -12.1 -16.9 67 4.8 -13.4 26 28 295.8 296.1 281.6 300.7 1.57 12 504 5243 -27.7 -28.2 95 0.5 -27.8 15 27 298.6 298.7 281.8 301.0 0.74 13 500 5300 -27.3 -30.2 76 2.9 -27.7 15 27 299.8 299.9 282.1 301.8 0.62 14 472 5715 -29.5 -34.5 62 5.0 -30.1 30 22 302.0 302.1 282.8 303.5 0.43 15 454 5994 -29.7 -36.7 51 7.0 -30.4 41 18 305.1 305.2 284.0 306.4 0.36 16 442 6185 -30.1 -40.1 37 10.0 -31.1 48 15 307.0 307.0 284.5 307.9 0.26 17 420 6548 -33.3 -44.3 32 11.0 -34.1 62 11 307.4 307.4 284.6 308.0 0.18 18 400 6890 -36.5 -43.5 48 7.0 -37.0 75 6 307.6 307.6 284.7 308.3 0.20 19 372 7387 -41.1 -45.2 64 4.1 -41.3 39 8 307.9 307.9 284.8 308.6 0.18 20 357 7665 -43.5 -48.1 60 4.6 -43.7 18 9 308.3 308.3 284.9 308.8 0.14 21 351 7779 -43.5 -52.5 36 9.0 -43.9 10 9 309.8 309.8 285.4 310.1 0.08 22 324 8312 -47.3 -55.3 39 8.0 -47.6 330 11 311.7 311.8 286.0 312.0 0.07 23 300 8820 -48.1 -60.1 24 12.0 -48.4 320 14 317.6 317.6 288.0 317.7 0.04 24 292 8998 -48.1 -65.1 12 17.0 -48.5 321 15 320.0 320.0 288.8 320.1 0.02 25 265 9641 -45.7 -72.7 3 27.0 -46.3 323 19 332.5 332.5 292.4 332.6 0.01 26 250 10030 -44.1 -76.1 2 32.0 -44.8 325 21 340.5 340.5 294.4 340.5 0.00 27 237 10389 -42.5 -76.5 1 34.0 -43.4 331 21 348.2 348.2 296.3 348.2 0.00 28 200 11530 -44.1 -80.1 1 36.0 -45.0 350 19 362.9 362.9 299.2 363.0 0.00 29 186 12018 -42.1 -80.1 1 38.0 -43.3 342 18 373.8 373.8 301.2 373.8 0.00 30 150 13460 -45.7 -81.7 1 36.0 -46.7 320 17 391.3 391.3 304.0 391.3 0.00 31 138 14016 -46.9 -82.9 1 36.0 -47.9 318 16 398.6 398.6 305.0 398.7 0.00 32 113 15349 -45.3 -82.3 1 37.0 -46.6 313 13 425.1 425.1 308.3 425.1 0.00 33 107 15712 -48.1 -83.1 1 35.0 -49.2 312 12 426.5 426.5 308.4 426.5 0.00 34 100 16160 -46.7 -83.7 1 37.0 -48.0 310 11 437.5 437.5 309.6 437.5 0.00 35 70 18520 -45.9 -83.9 1 38.0 -47.8 125 3 486.2 486.2 314.0 486.2 0.00 36 66 18912 -44.9 -82.9 1 38.0 -47.1 115 4 496.6 496.6 314.7 496.7 0.01 37 50 20760 -46.5 -84.5 1 38.0 -48.9 65 8 533.9 533.9 317.2 533.9 0.01 38 36 22939 -48.1 -85.1 1 37.0 -50.8 84 6 582.3 582.3 319.8 582.4 0.01 39 30 24150 -45.5 -84.5 0 39.0 -49.3 95 5 620.6 620.6 321.5 620.7 0.01 40 29 24376 -45.3 -85.3 0 40.0 -49.3 94 5 627.2 627.2 321.8 627.3 0.01 41 24 25632 -47.5 -85.5 1 38.0 -51.3 87 8 655.7 655.7 322.9 655.8 0.01 42 21 26522 -43.5 -83.5 0 40.0 -49.1 82 9 693.3 693.3 324.2 693.4 0.02 43 20 26850 -44.3 -84.3 0 40.0 -49.7 80 10 700.6 700.6 324.4 700.7 0.02 44 18 27554 -45.9 -84.9 0 39.0 -51.1 717.0 717.0 325.0 717.1 0.02 45 14 29234 -43.9 -83.9 0 40.0 -50.8 777.2 777.2 326.7 777.4 0.02 46 12 30279 -39.7 -80.7 0 41.0 -49.3 827.1 827.1 327.9 827.6 0.05 TRP 324 8312 -47.3 -55.3 39 8.0 -47.6 330 11 311.7 311.8 286.0 312.0 0.07 WND Sounding variables and indices 1000-500 mb thick: 5350.00 m Freezing level: 928.62 mb = 550.11 m = 1804.81 ft Wetbulb zero: 934.73 mb = 497.45 m = 1632.02 ft Precipitable water: 0.50 inches Sfc-500 mean rel hum: 80.39 % Est. max temperature: 12.55 C = 54.60 F Sfc-Lift cond lev (LCL): 915.63 mb = 661.25 m = 2169.42 ft T: -0.83 C 700-500 lapse rate: 7.56 C/km ThetaE index: 0.26 C Layer 924.0- 879.0 mb Conv cond level (CCL): 893.41 mb = 857.31 m = 2812.67 ft Mean mixing ratio: 3.78 g/kg Conv temperature: 6.29 C = 43.33 F Cap Strength: 8.45 C Lifted Index: 9.13 C Risk: None Lifted Index @300 mb: 19.73 C Lifted Index @700 mb: 7.50 C Showalter Index: 5.38 C Risk: None Total Totals Index: 49.50 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 26.80 C Cross Totals Index: 22.70 C K Index: 18.50 Risk: < 20 % chance of thunderstorms Sweat Index: 105.00 Risk: None Energy Index: 1.46 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 4.79 J/kg Max Up Vert Vel: 3.09 m/s Conv Inhibition (B-): 65041.98 J/kg Cap Strength: 8.40 C Lift Cond Lev (LCL): 907.78 mb = 730.03 m = 2395.09 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 52 at 22 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 ---------------------------------------------------------- 0 989 52 5 19 -1.7 -18.9 | 289 16 15.5 -5.4 1 925 580 15 42 -10.9 -40.6 | 347 28 6.2 -27.1 2 850 1255 20 34 -11.6 -31.9 | 343 19 5.5 -18.4 3 700 2787 30 28 -14.0 -24.2 | 344 11 3.1 -10.7 4 500 5300 15 27 -7.0 -26.1 | 321 16 10.1 -12.6 5 400 6890 75 6 -5.8 -1.6 | 223 16 11.3 12.0 6 324 8312 330 11 5.5 -9.5 | 260 23 22.6 4.0 7 300 8820 320 14 9.0 -10.7 | 264 26 26.1 2.8 8 250 10030 325 21 12.0 -17.2 | 277 29 29.2 -3.7 9 200 11530 350 19 3.3 -18.7 | 284 21 20.4 -5.2 10 150 13460 320 17 10.9 -13.0 | 269 28 28.0 0.5 11 100 16160 310 11 8.4 -7.1 | 256 26 25.5 6.4 12 70 18520 125 3 -2.5 1.7 | 224 21 14.7 15.2 13 50 20760 65 8 -7.3 -3.4 | 224 14 9.9 10.1 14 30 24150 95 5 -5.0 0.4 | 221 18 12.1 13.9 15 20 26850 80 10 -9.8 -1.7 | 212 14 7.3 11.8 Wind Parameters Mean winds (0-6000m): 21.7 at 29.1 knts Storm direction: 51.7 at 21.8 knts Shear (0-3000m) pos: 2.4 neg: 0.2 tot: 2.5 10-3/s Storm rel Dir Shear (0-3000m): 51.5 deg Storm rel helicity (0-3000m) pos: 110.8 neg: -10.2 tot: 100.6 m^2/s^2 ave: 33.5 10^-3 m/s^2 rel: 0.47 Storm rel vorticity (0-3000m) horiz: 6.8 stream: 3.2 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 1.33 Bulk Shear: 3.61 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 12 30 325 19| 22.9 0.0 22.9|103.1 0.0 103.1 206.2 0.86| 23.0 19.9 1000 14 35 337 22| 9.5 0.0 9.5|109.1 -4.5 104.6 104.6 0.69| 14.6 10.0 1500 16 34 339 21| 5.4 0.0 5.4|110.0 -7.8 102.2 68.2 0.59| 11.2 6.5 2000 18 34 340 20| 3.8 0.0 3.8|110.8 -7.8 103.0 51.5 0.55| 9.1 4.9 2500 19 33 341 19| 2.8 0.0 2.8|110.8 -8.0 102.8 41.1 0.51| 7.8 3.9 3000 21 32 341 18| 2.4 0.2 2.5|110.8 -10.2 100.6 33.5 0.47| 6.8 3.2 4000 22 31 340 16| 1.8 0.4 2.2|110.8 -17.4 93.4 23.3 0.38| 5.5 2.1 5000 22 30 338 16| 1.4 0.6 2.0|110.8 -25.3 85.5 17.1 0.31| 4.7 1.5 6000 22 29 335 15| 1.5 0.5 2.0|110.8 -41.6 69.2 11.5 0.10| 5.2 0.5 Wrote GIF file: /home/apache/climate/data/raob//BIKF/skewt/BIKF.skewt.20250604.11.gif