UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101811.upa.cvt Date: 1100Z 18 OCT 25 Searching for BIKF... Searching the city database file for: BIKF ... Date:1100Z 18 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 ------------------------------------------------------------------------------- SFC 1010 52 6.6 5.5 93 1.1 6.1 360 1 279.0 279.9 278.7 294.3 5.61 1 1000 119 5.8 4.9 94 0.9 5.4 5 3 279.0 279.9 278.5 293.8 5.43 2 981 276 4.2 4.2 100 0.0 4.2 10 3 278.9 279.8 278.3 293.3 5.27 3 940 623 3.0 1.8 92 1.2 2.4 21 4 281.1 281.9 278.6 293.9 4.63 4 936 657 3.4 2.0 91 1.4 2.8 22 4 281.8 282.6 279.1 295.0 4.72 5 932 692 5.4 -3.6 52 9.0 1.7 23 4 284.2 284.8 278.2 293.2 3.14 6 928 727 6.0 -5.0 45 11.0 1.5 24 4 285.2 285.7 278.3 293.4 2.84 7 925 754 5.6 1.4 74 4.2 3.6 25 4 285.0 285.8 280.4 297.9 4.57 8 915 843 4.8 2.7 86 2.1 3.8 29 4 285.1 286.0 281.1 299.4 5.08 9 880 1160 3.0 -0.3 79 3.3 1.5 43 3 286.4 287.2 280.7 298.5 4.25 10 869 1262 2.8 -2.2 70 5.0 0.6 47 3 287.3 287.9 280.4 298.0 3.74 11 857 1375 3.2 -14.8 25 18.0 -2.6 52 3 288.8 289.1 278.2 293.1 1.41 12 856 1384 3.2 -14.8 25 18.0 -2.6 53 3 288.9 289.2 278.2 293.2 1.41 13 850 1441 2.8 -15.2 25 18.0 -3.0 55 3 289.1 289.3 278.3 293.3 1.38 14 827 1663 2.4 -16.6 23 19.0 -3.6 38 3 290.9 291.2 279.0 294.8 1.26 15 810 1830 1.2 -6.8 55 8.0 -2.0 25 3 291.4 291.9 281.2 299.8 2.83 16 808 1850 1.4 -13.6 32 15.0 -3.6 24 3 291.8 292.1 279.9 296.8 1.65 17 804 1890 1.0 -4.0 69 5.0 -1.1 21 3 291.8 292.4 282.3 302.2 3.53 18 791 2021 0.4 -7.6 55 8.0 -2.7 11 3 292.5 293.0 281.6 300.6 2.73 19 790 2031 0.6 -14.4 31 15.0 -4.3 10 3 292.8 293.1 280.3 297.7 1.58 20 788 2051 0.4 -6.6 59 7.0 -2.4 8 3 292.8 293.4 282.0 301.6 2.96 21 722 2750 -1.7 -19.7 24 18.0 -7.0 314 3 298.0 298.2 282.0 301.5 1.11 22 707 2916 -2.7 -22.7 20 20.0 -8.1 301 3 298.6 298.8 282.0 301.5 0.87 23 700 2995 -3.3 -20.3 26 17.0 -8.1 295 3 298.8 299.0 282.3 302.3 1.09 24 676 3270 -5.3 -15.3 45 10.0 -8.5 289 4 299.6 299.9 283.4 305.0 1.72 25 547 4900 -15.7 -31.7 24 16.0 -18.6 255 7 305.9 306.0 284.4 307.6 0.49 26 508 5453 -20.5 -29.5 44 9.0 -22.1 243 8 306.6 306.8 284.9 308.9 0.65 27 500 5570 -21.3 -31.3 40 10.0 -22.9 240 8 307.1 307.2 284.9 309.0 0.56 28 472 5991 -24.1 -39.1 24 15.0 -25.9 243 9 308.7 308.8 285.2 309.7 0.27 29 400 7170 -33.9 -45.9 29 12.0 -34.8 250 11 310.9 311.0 285.9 311.5 0.16 30 383 7473 -36.5 -47.5 31 11.0 -37.2 260 11 311.4 311.4 286.0 311.9 0.14 31 349 8113 -39.7 -55.7 17 16.0 -40.4 281 10 315.5 315.5 287.3 315.7 0.06 32 348 8133 -39.9 -54.9 19 15.0 -40.6 281 10 315.4 315.5 287.3 315.7 0.06 33 331 8473 -42.7 -51.7 37 9.0 -43.1 293 10 316.2 316.2 287.6 316.5 0.10 34 321 8679 -44.1 -61.1 13 17.0 -44.6 300 9 317.0 317.0 287.8 317.1 0.03 35 300 9130 -47.7 -57.7 31 10.0 -48.0 315 9 318.1 318.1 288.2 318.3 0.05 36 250 10310 -56.7 -64.7 36 8.0 -56.8 275 14 321.8 321.8 289.3 321.9 0.03 37 243 10489 -58.3 -65.3 40 7.0 -58.4 269 16 322.0 322.0 289.4 322.1 0.02 38 223 11026 -60.3 -69.3 30 9.0 -60.4 250 22 326.9 326.9 290.9 327.0 0.02 39 202 11647 -56.9 -79.9 4 23.0 -57.1 259 18 341.7 341.7 294.7 341.7 0.00 40 200 11710 -56.7 -80.7 3 24.0 -56.9 260 18 343.0 343.0 295.0 343.0 0.00 41 167 12861 -53.3 -81.3 2 28.0 -53.7 266 13 366.8 366.8 300.0 366.8 0.00 42 150 13550 -54.7 -82.7 2 28.0 -55.1 270 10 375.8 375.8 301.6 375.8 0.00 43 100 16140 -55.7 -85.7 1 30.0 -56.2 295 15 420.1 420.1 307.7 420.1 0.00 44 70 18400 -58.9 -87.9 1 29.0 -59.4 265 11 458.4 458.4 311.6 458.4 0.00 45 57 19674 -62.9 -88.9 2 26.0 -63.3 280 22 477.0 477.0 313.2 477.1 0.00 46 50 20480 -62.3 -89.3 2 27.0 -62.7 290 29 496.7 496.7 314.7 496.7 0.00 47 45 21131 -61.5 -88.5 2 27.0 -62.0 284 29 513.8 513.8 315.9 513.8 0.00 48 33 23030 -66.3 -91.3 2 25.0 -66.7 266 29 548.7 548.7 318.0 548.7 0.00 49 30 23610 -64.5 -90.5 2 26.0 -65.0 260 29 568.8 568.8 319.1 568.8 0.00 50 28 24031 -63.9 -90.9 1 27.0 -64.5 263 32 581.8 581.8 319.8 581.8 0.00 51 21 25775 -67.3 -92.3 2 25.0 -67.8 273 43 621.4 621.4 321.6 621.5 0.00 52 20 26070 -65.3 -91.3 2 26.0 -66.0 275 45 636.3 636.3 322.2 636.3 0.00 53 17 27050 -68.5 -92.5 2 24.0 -69.1 276 48 656.3 656.3 322.9 656.3 0.00 54 10 30270 -63.1 -91.1 1 28.0 -64.8 280 56 784.0 784.0 326.8 784.1 0.01 55 8.7 31131 -60.9 -89.9 1 29.0 -63.3 824.4 824.4 327.8 824.5 0.01 56 7.4 32132 -63.3 -90.3 1 27.0 -65.4 853.7 853.7 328.5 853.8 0.01 57 7.3 32216 -60.9 -90.9 1 30.0 -63.6 866.8 866.8 328.8 866.9 0.01 TRP 223 11026 -60.3 -69.3 30 9.0 -60.4 250 22 326.9 326.9 290.9 327.0 0.02 WND Sounding variables and indices 1000-500 mb thick: 5451.00 m Freezing level: 775.43 mb = 2184.12 m = 7165.66 ft Wetbulb zero: 866.74 mb = 1282.90 m = 4208.93 ft Precipitable water: 0.50 inches Sfc-500 mean rel hum: 46.90 % Est. max temperature: 16.10 C = 60.98 F Sfc-Lift cond lev (LCL): 993.21 mb = 174.66 m = 573.03 ft T: 5.23 C 700-500 lapse rate: 6.99 C/km ThetaE index: 6.29 C Layer 880.0- 856.0 mb Conv cond level (CCL): 765.31 mb = 2284.35 m = 7494.49 ft Mean mixing ratio: 4.90 g/kg Conv temperature: 22.23 C = 72.01 F Cap Strength: 11.56 C Lifted Index: 11.55 C Risk: None Lifted Index @300 mb: 16.73 C Lifted Index @700 mb: 9.40 C Showalter Index: 12.49 C Risk: None Total Totals Index: 30.20 C Risk: None Vertical Totals Index: 24.10 C Cross Totals Index: 6.10 C K Index: -8.10 Risk: None Sweat Index: 14.00 Risk: None Energy Index: 3.36 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 29.38 J/kg Max Up Vert Vel: 7.67 m/s Conv Inhibition (B-): 57461.30 J/kg Cap Strength: 11.55 C Lift Cond Lev (LCL): 934.26 mb = 672.53 m = 2206.45 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 303 at 3 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 1010 52 360 1 -0.0 -1.0 | 107 3 -2.9 0.9 1 1000 119 5 3 -0.3 -3.0 | 71 3 -3.2 -1.1 2 925 754 25 4 -1.7 -3.6 | 69 5 -4.6 -1.8 3 850 1441 55 3 -2.5 -1.7 | 92 5 -5.4 0.2 4 700 2995 295 3 2.7 -1.3 | 161 1 -0.2 0.6 5 500 5570 240 8 6.9 4.0 | 214 7 4.0 5.9 6 400 7170 250 11 10.3 3.8 | 233 9 7.4 5.6 7 300 9130 315 9 6.4 -6.4 | 323 6 3.4 -4.5 8 250 10310 275 14 13.9 -1.2 | 267 11 11.0 0.7 9 223 11026 250 22 20.7 7.5 | 242 20 17.7 9.4 10 200 11710 260 18 17.7 3.1 | 251 16 14.8 5.0 11 150 13550 270 10 10.0 -0.0 | 255 7 7.1 1.9 12 100 16140 295 15 13.6 -6.3 | 293 12 10.7 -4.5 13 70 18400 265 11 11.0 1.0 | 251 9 8.0 2.8 14 50 20480 290 29 27.3 -9.9 | 288 26 24.3 -8.0 15 30 23610 260 29 28.6 5.0 | 255 27 25.6 6.9 16 20 26070 275 45 44.8 -3.9 | 273 42 41.9 -2.0 17 10 30270 280 56 55.1 -9.7 | 279 53 52.2 -7.9 Wind Parameters Mean winds (0-6000m): 272.6 at 4.6 knts Storm direction: 302.6 at 3.5 knts Shear (0-3000m) pos: 0.4 neg: 0.9 tot: 1.3 10-3/s Storm rel Dir Shear (0-3000m): 65.8 deg Storm rel helicity (0-3000m) pos: 3.0 neg: -4.0 tot: -0.9 m^2/s^2 ave: -0.3 10^-3 m/s^2 rel: -0.07 Storm rel vorticity (0-3000m) horiz: 2.1 stream: -0.2 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 6.20 Bulk Shear: 4.74 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 3 72 4| 2.8 0.0 2.8| 0.0 -1.8 -1.8 -3.5 -0.71| 3.2 -2.2 1000 21 3 72 4| 1.5 0.0 1.5| 1.3 -1.8 -0.5 -0.5 -0.26| 2.3 -0.6 1500 28 3 76 5| 0.8 0.0 0.8| 2.8 -2.2 0.6 0.4 -0.07| 2.1 -0.1 2000 28 3 77 5| 0.6 0.5 1.1| 2.8 -3.6 -0.8 -0.4 -0.21| 2.1 -0.4 2500 22 3 75 4| 0.5 0.8 1.3| 2.8 -4.0 -1.1 -0.5 -0.21| 2.1 -0.4 3000 15 3 72 4| 0.4 0.9 1.3| 3.0 -4.0 -0.9 -0.3 -0.07| 2.1 -0.2 4000 344 3 55 2| 0.3 1.0 1.3| 3.3 -4.0 -0.7 -0.2 0.00| 1.9 0.0 5000 304 4 315 0| 0.2 1.0 1.3| 3.3 -4.9 -1.6 -0.3 -0.04| 1.8 -0.1 6000 273 5 226 2| 0.1 0.9 1.1| 4.7 -6.2 -1.5 -0.2 -0.04| 1.7 -0.1 Wrote GIF file: /home/apache/climate/data/raob//BIKF/skewt/BIKF.skewt.20251018.11.gif