UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025102023.upa.cvt Date: 2300Z 20 OCT 25 Searching for BIKF... Searching the city database file for: BIKF ... Date:2300Z 20 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 1001 52 2.6 0.3 85 2.3 1.6 75 9 275.7 276.3 274.7 286.3 3.90 1 1000 51 2.6 -0.1 82 2.7 1.5 75 10 275.8 276.4 274.6 286.1 3.79 2 925 676 -2.5 -2.5 100 0.0 -2.5 60 20 276.8 277.3 274.7 286.2 3.43 3 923 693 -2.7 -2.8 99 0.1 -2.7 61 20 276.7 277.3 274.6 286.0 3.37 4 850 1344 -4.7 -5.3 96 0.6 -4.9 85 6 281.2 281.7 276.5 289.8 3.03 5 770 2116 -8.7 -9.0 98 0.3 -8.8 156 7 285.0 285.4 277.7 292.2 2.51 6 700 2848 -13.7 -14.4 94 0.7 -13.9 225 8 287.3 287.6 278.0 292.6 1.79 7 662 3270 -16.3 -17.0 94 0.7 -16.5 230 9 289.0 289.3 278.4 293.6 1.52 8 649 3419 -17.1 -19.8 79 2.7 -17.7 232 9 289.7 290.0 278.4 293.5 1.22 9 639 3535 -18.5 -24.5 59 6.0 -19.6 233 10 289.4 289.6 277.7 292.0 0.82 10 506 5226 -32.9 -33.2 97 0.3 -32.9 254 14 291.9 292.0 278.3 293.4 0.46 11 504 5254 -32.5 -36.9 65 4.4 -32.9 254 14 292.7 292.8 278.5 293.8 0.32 12 500 5310 -32.5 -38.5 55 6.0 -33.0 255 14 293.4 293.5 278.8 294.3 0.27 13 494 5395 -32.7 -44.7 29 12.0 -33.5 255 14 294.2 294.2 278.9 294.7 0.14 14 480 5597 -34.1 -48.1 23 14.0 -34.9 255 15 294.9 294.9 279.2 295.2 0.10 15 462 5863 -35.7 -39.3 69 3.6 -36.0 255 16 296.1 296.2 280.0 297.1 0.27 16 440 6200 -38.7 -39.5 92 0.8 -38.8 255 17 296.5 296.5 280.2 297.4 0.28 17 438 6231 -39.1 -41.0 82 1.9 -39.2 255 18 296.4 296.4 280.1 297.2 0.24 18 433 6309 -38.9 -52.9 21 14.0 -39.5 255 18 297.6 297.6 280.4 297.8 0.07 19 426 6421 -38.9 -56.9 13 18.0 -39.5 255 18 299.0 299.0 281.0 299.1 0.04 20 400 6850 -41.7 -56.7 18 15.0 -42.2 255 20 300.8 300.8 281.7 301.0 0.04 21 320 8338 -50.7 -60.7 30 10.0 -50.9 270 21 308.1 308.2 284.7 308.3 0.03 22 300 8760 -50.3 -67.3 12 17.0 -50.6 275 22 314.5 314.5 286.9 314.5 0.01 23 295 8869 -49.9 -69.9 8 20.0 -50.2 275 23 316.5 316.5 287.6 316.6 0.01 24 250 9950 -47.9 -71.9 5 24.0 -48.4 275 28 334.9 334.9 293.0 334.9 0.01 25 226 10615 -47.3 -75.3 3 28.0 -47.9 280 28 345.6 345.6 295.7 345.6 0.01 26 225 10644 -47.3 -75.3 3 28.0 -47.9 280 28 346.0 346.0 295.7 346.0 0.01 27 200 11420 -48.3 -76.3 2 28.0 -48.9 285 27 356.3 356.3 298.0 356.3 0.01 28 150 13300 -52.3 -79.3 2 27.0 -52.8 300 23 380.0 380.0 302.2 380.0 0.00 29 100 15900 -55.9 -82.9 2 27.0 -56.4 310 18 419.7 419.7 307.7 419.7 0.00 30 70 18150 -58.5 -83.5 3 25.0 -59.0 310 26 459.2 459.2 311.7 459.3 0.01 31 60 19120 -59.3 -84.3 3 25.0 -59.8 305 29 478.1 478.1 313.3 478.2 0.01 32 50 20250 -64.5 -86.5 3 22.0 -64.8 300 32 491.5 491.5 314.3 491.5 0.00 33 40 21609 -67.3 -88.3 4 21.0 -67.6 302 31 516.8 516.8 316.1 516.9 0.00 34 36 22252 -63.7 -87.7 2 24.0 -64.2 303 31 542.0 542.0 317.6 542.0 0.00 35 30 23360 -68.7 -89.7 3 21.0 -69.0 305 30 557.4 557.4 318.5 557.4 0.00 36 28 23775 -65.1 -88.1 3 23.0 -65.6 306 29 578.5 578.5 319.6 578.5 0.01 37 20 25800 -69.1 -90.1 3 21.0 -69.5 310 23 624.7 624.7 321.7 624.7 0.01 38 18 26426 -71.5 -91.5 4 20.0 -71.8 636.2 636.2 322.2 636.2 0.00 39 14 27921 -68.7 -90.7 3 22.0 -69.3 693.1 693.1 324.2 693.1 0.01 40 12 28837 -71.9 -91.9 3 20.0 -72.3 713.0 713.0 324.8 713.0 0.01 TRP 320 8338 -50.7 -60.7 30 10.0 -50.9 270 21 308.1 308.2 284.7 308.3 0.03 WND Sounding variables and indices 1000-500 mb thick: 5259.00 m Freezing level: 961.76 mb = 369.63 m = 1212.67 ft Wetbulb zero: 972.05 mb = 278.23 m = 912.80 ft Precipitable water: 0.43 inches Sfc-500 mean rel hum: 88.23 % Est. max temperature: 8.09 C = 46.56 F Sfc-Lift cond lev (LCL): 965.88 mb = 329.33 m = 1080.47 ft T: 0.33 C 700-500 lapse rate: 7.64 C/km ThetaE index: 0.22 C Layer 923.0- 850.0 mb Conv cond level (CCL): 932.18 mb = 614.03 m = 2014.52 ft Mean mixing ratio: 3.54 g/kg Conv temperature: 3.59 C = 38.45 F Cap Strength: 6.06 C Lifted Index: 6.56 C Risk: None Lifted Index @300 mb: 19.99 C Lifted Index @700 mb: 4.44 C Showalter Index: 3.87 C Risk: None Total Totals Index: 55.00 C Risk: Severe Thunderstorms probable Vertical Totals Index: 27.80 C Cross Totals Index: 27.20 C K Index: 21.80 Risk: 20-40 % chance of thunderstorms Sweat Index: 146.00 Risk: None Energy Index: 0.93 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 6.34 J/kg Max Up Vert Vel: 3.56 m/s Conv Inhibition (B-): 59549.01 J/kg Cap Strength: 6.01 C Lift Cond Lev (LCL): 934.10 mb = 597.52 m = 1960.36 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 270 at 8 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 1001 52 75 9 -8.7 -2.3 | 82 17 -17.1 -2.3 1 1000 51 75 10 -9.7 -2.6 | 82 18 -18.1 -2.6 2 925 676 60 20 -17.3 -10.0 | 69 28 -25.7 -10.0 3 850 1344 85 6 -6.0 -0.5 | 88 14 -14.4 -0.5 4 700 2848 225 8 5.7 5.7 | 154 6 -2.7 5.7 5 500 5310 255 14 13.5 3.6 | 235 6 5.1 3.7 6 400 6850 255 20 19.3 5.2 | 245 12 10.9 5.2 7 320 8338 270 21 21.0 -0.0 | 270 13 12.6 0.0 8 300 8760 275 22 21.9 -1.9 | 278 14 13.5 -1.9 9 250 9950 275 28 27.9 -2.4 | 277 20 19.5 -2.4 10 200 11420 285 27 26.1 -7.0 | 291 19 17.7 -7.0 11 150 13300 300 23 19.9 -11.5 | 315 16 11.5 -11.5 12 100 15900 310 18 13.8 -11.6 | 335 13 5.4 -11.5 13 70 18150 310 26 19.9 -16.7 | 325 20 11.5 -16.7 14 50 20250 300 32 27.7 -16.0 | 310 25 19.3 -16.0 15 30 23360 305 30 24.6 -17.2 | 317 24 16.2 -17.2 16 20 25800 310 23 17.6 -14.8 | 328 17 9.2 -14.8 Wind Parameters Mean winds (0-6000m): 240.2 at 11.2 knts Storm direction: 270.2 at 8.4 knts Shear (0-3000m) pos: 4.5 neg: 1.5 tot: 6.0 10-3/s Storm rel Dir Shear (0-3000m): 77.8 deg Storm rel helicity (0-3000m) pos: 87.1 neg: -30.7 tot: 56.4 m^2/s^2 ave: 18.8 10^-3 m/s^2 rel: 0.38 Storm rel vorticity (0-3000m) horiz: 7.3 stream: 2.8 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.08 Bulk Shear: 83.60 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 66 14 75 22| 0.0 8.7 8.7| 0.0 -23.6 -23.6 -47.2 -0.47| 8.8 -4.1 1000 65 15 74 23| 3.4 4.4 7.7| 30.0 -30.7 -0.7 -0.7 -0.02| 9.6 -0.2 1500 67 13 76 21| 4.8 2.9 7.7| 48.5 -30.7 17.8 11.9 0.15| 9.3 1.4 2000 74 11 81 20| 4.9 2.2 7.1| 67.9 -30.7 37.2 18.6 0.28| 8.4 2.4 2500 80 10 84 19| 4.9 1.7 6.7| 81.9 -30.7 51.2 20.5 0.36| 7.9 2.8 3000 81 10 85 18| 4.5 1.5 6.0| 87.1 -30.7 56.4 18.8 0.38| 7.3 2.8 4000 113 10 103 18| 3.7 1.1 4.8| 92.0 -30.7 61.2 15.3 0.42| 5.9 2.5 5000 212 10 162 9| 3.2 0.9 4.1| 97.3 -30.7 66.6 13.3 0.46| 5.1 2.4 6000 240 11 193 6| 2.8 0.6 3.4|100.5 -30.7 69.8 11.6 0.46| 4.6 2.1 Wrote GIF file: /home/apache/climate/data/raob//BIKF/skewt/BIKF.skewt.20251020.23.gif