UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042111.upa.cvt Date: 1100Z 21 APR 25 Searching for BIKF... Searching the city database file for: BIKF ... Date:1100Z 21 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 1012 52 3.2 -6.8 48 10.0 -0.4 50 7 275.4 275.8 272.2 281.7 2.26 1 1000 138 1.8 -7.2 51 9.0 -1.3 55 11 275.0 275.3 271.8 281.1 2.22 2 949 557 -2.5 -7.5 68 5.0 -4.2 75 6 274.7 275.1 271.8 281.1 2.29 3 925 760 -3.5 -8.5 68 5.0 -5.1 85 4 275.7 276.1 272.2 281.8 2.17 4 850 1421 -9.1 -11.1 85 2.0 -9.7 150 3 276.6 276.9 272.3 282.1 1.92 5 848 1439 -9.1 -11.4 83 2.3 -9.8 149 3 276.8 277.1 272.4 282.1 1.88 6 836 1550 -5.5 -24.5 21 19.0 -9.6 144 4 281.7 281.8 273.2 283.6 0.63 7 821 1692 -4.1 -33.1 8 29.0 -9.4 137 5 284.7 284.7 274.3 285.6 0.29 8 795 1945 -4.5 -28.5 13 24.0 -9.4 124 7 286.9 286.9 275.8 288.3 0.46 9 767 2226 -6.3 -34.3 9 28.0 -11.2 110 9 287.9 287.9 276.0 288.8 0.27 10 721 2706 -9.5 -34.5 11 25.0 -13.6 86 13 289.5 289.6 276.9 290.4 0.28 11 712 2803 -9.9 -23.9 31 14.0 -13.0 82 14 290.1 290.2 277.9 292.5 0.78 12 700 2934 -10.5 -34.5 12 24.0 -14.4 75 15 290.9 290.9 277.6 291.8 0.29 13 686 3089 -10.7 -39.7 7 29.0 -14.9 74 15 292.3 292.4 278.1 292.9 0.18 14 649 3512 -12.9 -37.9 10 25.0 -16.6 73 13 294.5 294.5 279.2 295.3 0.22 15 627 3773 -14.9 -25.9 39 11.0 -17.1 72 13 295.1 295.3 280.2 297.5 0.74 16 542 4861 -20.5 -44.5 10 24.0 -23.1 67 10 301.0 301.0 282.0 301.5 0.13 17 503 5407 -25.3 -44.3 15 19.0 -27.1 65 8 301.7 301.7 282.3 302.2 0.15 18 500 5450 -25.7 -37.7 32 12.0 -27.1 65 8 301.7 301.8 282.5 302.7 0.30 19 482 5716 -28.1 -35.1 51 7.0 -28.9 56 8 301.9 302.0 282.7 303.3 0.40 20 430 6527 -34.9 -47.9 25 13.0 -35.7 28 9 303.3 303.3 282.9 303.7 0.12 21 400 7030 -37.9 -52.9 19 15.0 -38.6 10 10 305.7 305.7 283.8 306.0 0.07 22 397 7082 -37.9 -59.9 8 22.0 -38.7 8 10 306.4 306.4 284.0 306.5 0.03 23 384 7310 -39.3 -56.3 15 17.0 -40.0 357 11 307.5 307.5 284.4 307.7 0.05 24 347 7993 -45.5 -58.5 22 13.0 -45.9 326 12 308.1 308.1 284.7 308.3 0.04 25 300 8950 -50.5 -64.5 18 14.0 -50.8 280 15 314.2 314.2 286.8 314.3 0.02 26 253 10044 -56.7 -65.7 31 9.0 -56.8 270 24 320.7 320.7 289.0 320.8 0.02 27 250 10120 -55.5 -69.5 16 14.0 -55.7 270 20 323.6 323.6 289.9 323.6 0.01 28 244 10275 -53.3 -73.3 7 20.0 -53.6 261 19 329.1 329.1 291.5 329.1 0.01 29 234 10543 -55.1 -75.1 7 20.0 -55.3 246 16 330.3 330.3 291.8 330.4 0.01 30 210 11242 -49.9 -80.9 1 31.0 -50.4 207 11 348.8 348.8 296.4 348.9 0.00 31 200 11560 -50.9 -80.9 2 30.0 -51.4 190 8 352.2 352.2 297.1 352.2 0.00 32 150 13450 -48.7 -81.7 1 33.0 -49.4 185 8 386.2 386.2 303.2 386.2 0.00 33 127 14548 -47.1 -82.1 1 35.0 -48.1 177 8 407.9 407.9 306.2 407.9 0.00 34 114 15257 -50.7 -83.7 1 33.0 -51.5 171 8 414.0 414.0 307.0 414.0 0.00 35 100 16110 -51.3 -84.3 1 33.0 -52.1 165 8 428.6 428.6 308.7 428.6 0.00 36 70 18430 -51.1 -84.1 1 33.0 -52.2 245 6 475.1 475.1 313.1 475.1 0.00 37 50 20620 -51.5 -85.5 1 34.0 -52.9 230 5 522.1 522.1 316.4 522.1 0.01 38 30 23950 -49.7 -84.7 1 35.0 -52.4 210 4 609.1 609.2 321.0 609.2 0.01 39 22 25971 -49.3 -85.3 1 36.0 -52.8 176 6 666.8 666.8 323.3 666.9 0.01 40 20 26590 -51.3 -86.3 1 35.0 -54.4 165 6 679.1 679.2 323.7 679.2 0.01 41 14 28908 -51.3 -86.3 1 35.0 -55.3 752.1 752.1 326.0 752.2 0.02 TRP 253 10044 -56.7 -65.7 31 9.0 -56.8 270 24 320.7 320.7 289.0 320.8 0.02 WND Sounding variables and indices 1000-500 mb thick: 5312.00 m Freezing level: 978.65 mb = 313.39 m = 1028.16 ft Wetbulb zero: Below ground Precipitable water: 0.21 inches Sfc-500 mean rel hum: 30.19 % Est. max temperature: 4.27 C = 39.69 F Sfc-Lift cond lev (LCL): 866.27 mb = 1272.74 m = 4175.61 ft T: -7.84 C 700-500 lapse rate: 6.04 C/km ThetaE index: 0.72 C Layer 700.0- 686.0 mb Conv cond level (CCL): 655.50 mb = 3436.03 m = 11272.94 ft Mean mixing ratio: 2.23 g/kg Conv temperature: 21.97 C = 71.54 F Cap Strength: 17.27 C Lifted Index: 17.17 C Risk: None Lifted Index @300 mb: 23.31 C Lifted Index @700 mb: 11.16 C Showalter Index: 16.58 C Risk: None Total Totals Index: 31.20 C Risk: None Vertical Totals Index: 16.60 C Cross Totals Index: 14.60 C K Index: -18.50 Risk: None Sweat Index: 14.00 Risk: None Energy Index: 4.44 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 3.96 J/kg Max Up Vert Vel: 2.81 m/s Conv Inhibition (B-): 64884.00 J/kg Cap Strength: 17.25 C Lift Cond Lev (LCL): 867.59 mb = 1260.87 m = 4136.65 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 103 at 7 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 1012 52 50 7 -5.4 -4.5 | 347 6 1.4 -6.1 1 1000 138 55 11 -9.0 -6.3 | 16 8 -2.2 -7.9 2 925 760 85 4 -4.0 -0.3 | 305 3 2.8 -2.0 3 850 1421 150 3 -1.5 2.6 | 259 5 5.3 1.0 4 700 2934 75 15 -14.5 -3.9 | 55 9 -7.7 -5.5 5 500 5450 65 8 -7.3 -3.4 | 6 5 -0.5 -5.0 6 400 7030 10 10 -1.7 -9.8 | 336 13 5.0 -11.5 7 300 8950 280 15 14.8 -2.6 | 281 22 21.5 -4.2 8 253 10044 270 24 24.0 -0.0 | 273 31 30.8 -1.6 9 250 10120 270 20 20.0 -0.0 | 273 27 26.8 -1.6 10 200 11560 190 8 1.4 7.9 | 232 10 8.2 6.3 11 150 13450 185 8 0.7 8.0 | 230 10 7.5 6.4 12 100 16110 165 8 -2.1 7.7 | 217 8 4.7 6.1 13 70 18430 245 6 5.4 2.5 | 266 12 12.2 0.9 14 50 20620 230 5 3.8 3.2 | 261 11 10.6 1.6 15 30 23950 210 4 2.0 3.5 | 258 9 8.8 1.9 16 20 26590 165 6 -1.6 5.8 | 231 7 5.2 4.2 Wind Parameters Mean winds (0-6000m): 73.4 at 9.3 knts Storm direction: 103.4 at 7.0 knts Shear (0-3000m) pos: 1.4 neg: 2.4 tot: 3.8 10-3/s Storm rel Dir Shear (0-3000m): 66.1 deg Storm rel helicity (0-3000m) pos: 6.4 neg: -22.7 tot: -16.3 m^2/s^2 ave: -5.4 10^-3 m/s^2 rel: -0.51 Storm rel vorticity (0-3000m) horiz: 5.7 stream: -2.9 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 6.83 Bulk Shear: 0.58 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 60 9 8 6| 3.0 0.0 3.0| 6.4 -2.5 3.9 7.8 0.16| 9.6 1.5 1000 67 7 350 4| 3.2 0.0 3.2| 6.4 -6.1 0.3 0.3 -0.20| 7.1 -1.4 1500 78 5 333 3| 2.8 0.0 2.8| 6.4 -8.3 -1.9 -1.2 -0.27| 5.7 -1.6 2000 91 6 323 2| 2.1 1.2 3.3| 6.4 -11.6 -5.2 -2.6 -0.40| 5.5 -2.2 2500 90 6 350 2| 1.7 2.0 3.7| 6.4 -15.7 -9.3 -3.7 -0.49| 5.6 -2.8 3000 81 8 16 3| 1.4 2.4 3.8| 6.4 -22.7 -16.3 -5.4 -0.51| 5.7 -2.9 4000 78 9 31 4| 1.1 1.5 2.5| 6.4 -27.1 -20.7 -5.2 -0.53| 4.6 -2.5 5000 76 9 31 5| 0.9 0.9 1.8| 6.4 -30.9 -24.5 -4.9 -0.55| 4.0 -2.2 6000 73 9 26 5| 0.7 0.9 1.6| 6.4 -34.4 -28.0 -4.7 -0.55| 3.7 -2.0 Wrote GIF file: /home/apache/climate/data/raob//BIKF/skewt/BIKF.skewt.20250421.11.gif