UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041611.upa.cvt Date: 1100Z 16 APR 25 Searching for BIKF... Searching the city database file for: BIKF ... Date:1100Z 16 APR 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 ------------------------------------------------------------------------------- SFC 1009 52 2.0 -2.3 73 4.3 0.3 20 15 274.4 275.0 273.0 283.2 3.19 1 1000 113 1.4 -2.0 78 3.4 0.1 15 23 274.5 275.1 273.2 283.6 3.30 2 925 734 -4.3 -4.7 97 0.4 -4.4 35 23 274.9 275.4 272.8 282.9 2.91 3 919 785 -4.7 -5.0 98 0.3 -4.8 38 22 275.0 275.5 272.8 282.9 2.86 4 915 820 -4.3 -8.1 75 3.8 -5.5 41 21 275.8 276.1 272.3 282.1 2.26 5 899 958 -5.3 -10.1 69 4.8 -6.8 50 19 276.1 276.5 272.1 281.7 1.97 6 859 1313 -8.5 -12.1 75 3.6 -9.5 74 12 276.4 276.7 271.9 281.4 1.76 7 851 1386 -7.5 -15.5 53 8.0 -9.6 79 11 278.2 278.4 272.3 282.1 1.34 8 850 1395 -7.5 -15.5 53 8.0 -9.6 80 11 278.3 278.5 272.4 282.2 1.34 9 808 1787 -10.5 -14.0 75 3.5 -11.4 64 11 279.2 279.4 273.3 283.8 1.60 10 787 1990 -11.3 -20.3 47 9.0 -13.3 56 11 280.4 280.6 273.1 283.3 0.97 11 745 2409 -13.3 -25.3 36 12.0 -15.5 39 11 282.7 282.8 273.8 284.7 0.66 12 700 2881 -15.9 -25.9 42 10.0 -17.7 20 11 284.9 285.0 275.0 286.9 0.66 13 636 3598 -20.3 -28.3 49 8.0 -21.5 21 13 287.8 287.9 276.5 289.6 0.58 14 563 4487 -28.3 -32.9 65 4.6 -28.8 23 16 288.6 288.6 276.6 289.9 0.43 15 544 4733 -29.1 -47.1 16 18.0 -30.3 24 16 290.5 290.5 277.0 290.8 0.10 16 500 5330 -33.9 -49.9 18 16.0 -34.7 25 18 291.7 291.7 277.6 292.0 0.08 17 463 5863 -37.7 -53.7 17 16.0 -38.4 25 24 293.5 293.5 278.4 293.7 0.06 18 411 6677 -41.7 -56.7 18 15.0 -42.2 25 33 298.5 298.5 280.7 298.6 0.04 19 400 6860 -42.5 -57.5 18 15.0 -43.0 25 35 299.8 299.8 281.3 299.9 0.04 20 354 7673 -48.3 -59.3 27 11.0 -48.6 25 32 302.6 302.6 282.5 302.7 0.04 21 338 7977 -49.5 -61.5 23 12.0 -49.7 25 31 305.0 305.0 283.4 305.1 0.03 22 300 8760 -47.5 -73.5 3 26.0 -47.9 35 28 318.4 318.4 288.2 318.4 0.01 23 250 9970 -44.7 -77.7 1 33.0 -45.4 50 18 339.6 339.6 294.2 339.6 0.00 24 200 11460 -46.5 -80.5 1 34.0 -47.2 345 11 359.1 359.1 298.5 359.2 0.00 25 150 13370 -46.1 -82.1 1 36.0 -47.1 305 9 390.6 390.6 303.9 390.6 0.00 26 100 16060 -47.1 -83.1 1 36.0 -48.4 225 8 436.7 436.7 309.6 436.7 0.00 27 94 16468 -48.9 -83.9 1 35.0 -50.0 245 8 441.0 441.0 310.0 441.0 0.00 28 70 18400 -49.5 -85.5 1 36.0 -50.8 340 8 478.5 478.5 313.3 478.5 0.00 29 53 20235 -47.3 -84.3 1 37.0 -49.4 92 6 523.2 523.2 316.5 523.2 0.01 30 50 20620 -49.1 -85.1 1 36.0 -51.0 115 5 527.8 527.8 316.8 527.8 0.01 31 45 21307 -50.5 -85.5 1 35.0 -52.3 117 6 540.5 540.5 317.5 540.5 0.01 32 40 22078 -47.9 -84.9 1 37.0 -50.4 119 6 565.6 565.6 318.9 565.6 0.01 33 30 23960 -50.9 -86.9 1 36.0 -53.3 125 8 605.9 605.9 320.9 605.9 0.01 34 28 24409 -51.5 -86.5 1 35.0 -53.9 616.3 616.3 321.3 616.3 0.01 35 27 24645 -50.9 -85.9 1 35.0 -53.5 624.4 624.4 321.7 624.5 0.01 TRP 338 7977 -49.5 -61.5 23 12.0 -49.7 25 31 305.0 305.0 283.4 305.1 0.03 WND Sounding variables and indices 1000-500 mb thick: 5217.00 m Freezing level: 981.58 mb = 265.53 m = 871.14 ft Wetbulb zero: 998.70 mb = 123.38 m = 404.80 ft Precipitable water: 0.26 inches Sfc-500 mean rel hum: 53.23 % Est. max temperature: 3.97 C = 39.14 F Sfc-Lift cond lev (LCL): 943.78 mb = 573.93 m = 1882.95 ft T: -2.83 C 700-500 lapse rate: 7.35 C/km ThetaE index: 2.17 C Layer 925.0- 851.0 mb Conv cond level (CCL): 926.32 mb = 722.66 m = 2370.90 ft Mean mixing ratio: 3.02 g/kg Conv temperature: 2.46 C = 36.43 F Cap Strength: 7.03 C Lifted Index: 7.56 C Risk: None Lifted Index @300 mb: 25.02 C Lifted Index @700 mb: 4.47 C Showalter Index: 8.33 C Risk: None Total Totals Index: 44.80 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 26.40 C Cross Totals Index: 18.40 C K Index: 0.90 Risk: None Sweat Index: 40.00 Risk: None Energy Index: 2.09 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 2.82 J/kg Max Up Vert Vel: 2.37 m/s Conv Inhibition (B-): 53103.45 J/kg Cap Strength: 7.46 C Lift Cond Lev (LCL): 927.38 mb = 713.51 m = 2340.89 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 61 at 12 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 1009 52 20 15 -5.1 -14.1 | 328 10 5.1 -8.3 1 1000 113 15 23 -6.0 -22.2 | 345 17 4.3 -16.4 2 925 734 35 23 -13.2 -18.8 | 13 13 -2.9 -13.0 3 850 1395 80 11 -10.8 -1.9 | 172 4 -0.6 3.9 4 700 2881 20 11 -3.8 -10.3 | 305 8 6.5 -4.5 5 500 5330 25 18 -7.6 -16.3 | 346 11 2.7 -10.5 6 400 6860 25 35 -14.8 -31.7 | 10 26 -4.5 -25.9 7 338 7977 25 31 -13.1 -28.1 | 7 22 -2.8 -22.3 8 300 8760 35 28 -16.1 -22.9 | 19 18 -5.8 -17.1 9 250 9970 50 18 -13.8 -11.6 | 31 7 -3.5 -5.8 10 200 11460 345 11 2.8 -10.6 | 290 14 13.1 -4.8 11 150 13370 305 9 7.4 -5.2 | 268 18 17.6 0.6 12 100 16060 225 8 5.7 5.7 | 234 20 15.9 11.5 13 70 18400 340 8 2.7 -7.5 | 278 13 13.0 -1.7 14 50 20620 115 5 -4.5 2.1 | 216 10 5.7 7.9 15 30 23960 125 8 -6.6 4.6 | 200 11 3.7 10.4 Wind Parameters Mean winds (0-6000m): 30.5 at 15.7 knts Storm direction: 60.5 at 11.8 knts Shear (0-3000m) pos: 2.1 neg: 1.7 tot: 3.8 10-3/s Storm rel Dir Shear (0-3000m): -19.8 deg Storm rel helicity (0-3000m) pos: 62.0 neg: -0.8 tot: 61.2 m^2/s^2 ave: 20.4 10^-3 m/s^2 rel: 0.60 Storm rel vorticity (0-3000m) horiz: 7.7 stream: 4.6 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.40 Bulk Shear: 7.12 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 21 22 352 15| 8.8 0.0 8.8| 32.5 0.0 32.5 64.9 0.66| 13.7 9.1 1000 30 22 3 13| 5.3 0.0 5.3| 53.5 0.0 53.5 53.5 0.65| 13.0 8.5 1500 37 19 7 9| 4.2 0.0 4.2| 60.1 0.0 60.1 40.1 0.70| 11.8 8.3 2000 41 17 8 7| 3.2 1.0 4.1| 60.8 0.0 60.8 30.4 0.69| 9.9 6.8 2500 41 16 2 6| 2.5 1.6 4.1| 61.1 -0.1 61.0 24.4 0.64| 8.7 5.6 3000 39 15 352 6| 2.1 1.7 3.8| 62.0 -0.8 61.2 20.4 0.60| 7.7 4.6 4000 35 14 342 6| 1.4 1.3 2.7| 68.1 -0.8 67.3 16.8 0.62| 6.2 3.8 5000 32 15 340 7| 1.1 1.0 2.1| 74.4 -0.8 73.7 14.7 0.63| 5.2 3.3 6000 31 16 344 8| 0.9 1.1 2.1| 90.8 -0.8 90.0 15.0 0.62| 5.1 3.2 Wrote GIF file: /home/apache/climate/data/raob//BIKF/skewt/BIKF.skewt.20250416.11.gif