UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042023.upa.cvt Date: 2300Z 20 APR 25 Searching for BIKF... Searching the city database file for: BIKF ... Date:2300Z 20 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 1013 52 3.2 -3.8 60 7.0 0.5 65 8 275.3 275.8 273.0 283.2 2.84 1 1000 144 2.8 -3.2 65 6.0 0.4 70 15 276.0 276.5 273.6 284.3 3.01 2 925 770 -1.5 -8.5 59 7.0 -3.8 85 8 277.8 278.1 273.4 283.9 2.17 3 907 926 -2.7 -10.7 54 8.0 -5.2 73 10 278.1 278.4 273.1 283.4 1.86 4 850 1436 -7.3 -10.4 78 3.1 -8.2 35 16 278.5 278.8 273.6 284.3 2.03 5 835 1574 -8.3 -11.0 81 2.7 -9.1 39 16 278.9 279.2 273.7 284.5 1.97 6 813 1782 -6.3 -28.3 16 22.0 -10.6 45 15 283.1 283.2 273.8 284.6 0.46 7 796 1947 -5.9 -27.9 16 22.0 -10.4 50 15 285.3 285.4 275.0 286.8 0.48 8 735 2567 -9.5 -35.5 10 26.0 -13.6 69 13 287.9 288.0 276.0 288.7 0.25 9 700 2942 -12.1 -31.1 19 19.0 -15.3 80 12 289.1 289.2 276.9 290.4 0.41 10 690 3052 -12.9 -32.9 17 20.0 -16.1 79 12 289.4 289.4 276.9 290.5 0.35 11 650 3505 -14.9 -35.9 15 21.0 -17.9 77 12 292.1 292.2 278.2 293.0 0.27 12 634 3693 -16.3 -24.3 50 8.0 -17.9 76 12 292.6 292.8 279.2 295.3 0.84 13 625 3801 -16.7 -25.7 46 9.0 -18.4 75 12 293.3 293.5 279.4 295.7 0.75 14 620 3861 -16.9 -35.9 18 19.0 -19.6 75 12 293.8 293.8 279.0 294.8 0.29 15 616 3909 -17.1 -27.1 42 10.0 -18.9 74 12 294.1 294.2 279.7 296.3 0.67 16 605 4044 -17.3 -35.3 19 18.0 -19.9 73 12 295.4 295.5 279.7 296.4 0.31 17 598 4132 -17.9 -29.9 34 12.0 -19.9 73 12 295.7 295.8 280.2 297.4 0.53 18 592 4207 -18.1 -43.1 9 25.0 -20.9 73 12 296.3 296.3 279.9 296.8 0.14 19 551 4740 -21.1 -47.1 8 26.0 -23.6 69 12 298.9 298.9 281.0 299.2 0.10 20 539 4902 -21.7 -42.7 13 21.0 -23.9 68 12 300.1 300.1 281.6 300.6 0.16 21 500 5450 -26.3 -43.3 19 17.0 -27.9 65 12 301.0 301.0 282.0 301.6 0.17 22 427 6575 -34.3 -44.3 36 10.0 -35.0 23 11 304.7 304.7 283.5 305.3 0.17 23 409 6876 -36.5 -56.5 11 20.0 -37.4 11 11 305.6 305.6 283.7 305.8 0.04 24 400 7030 -37.1 -51.1 22 14.0 -37.8 5 11 306.8 306.8 284.2 307.1 0.09 25 332 8287 -47.5 -58.5 27 11.0 -47.8 323 14 309.3 309.3 285.1 309.5 0.04 26 300 8950 -51.7 -61.7 29 10.0 -51.9 300 15 312.5 312.5 286.2 312.6 0.03 27 269 9647 -56.3 -64.3 36 8.0 -56.4 296 29 315.7 315.7 287.3 315.8 0.02 28 265 9741 -56.7 -65.7 31 9.0 -56.8 295 31 316.5 316.5 287.6 316.5 0.02 29 250 10110 -55.9 -71.9 12 16.0 -56.1 280 18 323.0 323.0 289.7 323.0 0.01 30 212 11178 -49.3 -80.3 1 31.0 -49.8 217 13 348.8 348.8 296.4 348.9 0.00 31 200 11560 -50.3 -81.3 1 31.0 -50.8 195 11 353.1 353.1 297.3 353.1 0.00 32 150 13450 -47.5 -81.5 1 34.0 -48.3 190 11 388.2 388.2 303.5 388.2 0.00 33 147 13583 -47.3 -81.3 1 34.0 -48.1 190 11 390.8 390.8 303.9 390.8 0.00 34 100 16110 -50.5 -83.5 1 33.0 -51.4 200 8 430.2 430.2 308.9 430.2 0.00 35 70 18430 -50.9 -83.9 1 33.0 -52.1 230 4 475.5 475.5 313.1 475.5 0.00 36 50 20630 -51.1 -84.1 1 33.0 -52.7 80 3 523.1 523.1 316.5 523.1 0.01 37 30 23960 -49.9 -83.9 1 34.0 -52.5 60 4 608.6 608.6 321.0 608.7 0.01 38 22 25987 -50.1 -84.1 1 34.0 -53.3 664.5 664.5 323.2 664.6 0.02 TRP 265 9741 -56.7 -65.7 31 9.0 -56.8 295 31 316.5 316.5 287.6 316.5 0.02 WND Sounding variables and indices 1000-500 mb thick: 5306.00 m Freezing level: 951.16 mb = 551.63 m = 1809.78 ft Wetbulb zero: 992.46 mb = 204.76 m = 671.77 ft Precipitable water: 0.23 inches Sfc-500 mean rel hum: 31.24 % Est. max temperature: 6.29 C = 43.33 F Sfc-Lift cond lev (LCL): 908.70 mb = 911.19 m = 2989.44 ft T: -2.59 C 700-500 lapse rate: 5.66 C/km ThetaE index: 0.86 C Layer 925.0- 850.0 mb Conv cond level (CCL): 846.95 mb = 1463.90 m = 4802.77 ft Mean mixing ratio: 2.57 g/kg Conv temperature: 6.46 C = 43.62 F Cap Strength: 14.32 C Lifted Index: 14.52 C Risk: None Lifted Index @300 mb: 20.20 C Lifted Index @700 mb: 7.63 C Showalter Index: 14.29 C Risk: None Total Totals Index: 34.90 C Risk: None Vertical Totals Index: 19.00 C Cross Totals Index: 15.90 C K Index: -10.40 Risk: None Sweat Index: 44.00 Risk: None Energy Index: 3.68 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 3.92 J/kg Max Up Vert Vel: 2.80 m/s Conv Inhibition (B-): 50502.46 J/kg Cap Strength: 14.45 C Lift Cond Lev (LCL): 869.36 mb = 1259.07 m = 4130.75 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 94 at 9 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 1013 52 65 8 -7.3 -3.4 | 333 4 2.0 -4.0 1 1000 144 70 15 -14.1 -5.1 | 40 7 -4.8 -5.8 2 925 770 85 8 -8.0 -0.7 | 315 2 1.3 -1.3 3 850 1436 35 16 -9.2 -13.1 | 360 14 0.1 -13.7 4 700 2942 80 12 -11.8 -2.1 | 43 4 -2.5 -2.7 5 500 5450 65 12 -10.9 -5.1 | 16 6 -1.6 -5.7 6 400 7030 5 11 -1.0 -11.0 | 324 14 8.3 -11.6 7 300 8950 300 15 13.0 -7.5 | 290 24 22.3 -8.1 8 265 9741 295 31 28.1 -13.1 | 290 40 37.4 -13.7 9 250 10110 280 18 17.7 -3.1 | 278 27 27.0 -3.7 10 200 11560 195 11 2.8 10.6 | 231 16 12.1 10.0 11 150 13450 190 11 1.9 10.8 | 228 15 11.2 10.2 12 100 16110 200 8 2.7 7.5 | 240 14 12.0 6.9 13 70 18430 230 4 3.1 2.6 | 261 13 12.4 1.9 14 50 20630 80 3 -3.0 -0.5 | 280 6 6.3 -1.1 15 30 23960 60 4 -3.5 -2.0 | 294 6 5.8 -2.6 Wind Parameters Mean winds (0-6000m): 63.8 at 12.4 knts Storm direction: 93.8 at 9.3 knts Shear (0-3000m) pos: 2.2 neg: 1.8 tot: 4.0 10-3/s Storm rel Dir Shear (0-3000m): 68.4 deg Storm rel helicity (0-3000m) pos: 23.8 neg: -7.6 tot: 16.2 m^2/s^2 ave: 5.4 10^-3 m/s^2 rel: 0.25 Storm rel vorticity (0-3000m) horiz: 6.8 stream: 1.7 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 7.63 Bulk Shear: 0.51 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 73 12 32 5| 3.5 0.0 3.5| 8.1 -1.3 6.8 13.5 0.46| 12.8 5.9 1000 74 11 19 4| 1.7 1.6 3.4| 9.7 -2.4 7.3 7.3 0.30| 10.1 3.0 1500 61 12 10 7| 1.2 3.6 4.7| 11.5 -7.5 4.1 2.7 0.16| 9.8 1.6 2000 56 13 10 8| 1.8 2.7 4.5| 18.3 -7.5 10.8 5.4 0.21| 8.4 1.8 2500 57 13 11 8| 2.2 2.1 4.3| 22.1 -7.5 14.6 5.8 0.24| 7.5 1.8 3000 59 13 13 8| 2.2 1.8 4.0| 23.8 -7.6 16.2 5.4 0.25| 6.8 1.7 4000 63 13 18 7| 1.6 1.5 3.1| 23.8 -8.6 15.1 3.8 0.22| 5.2 1.2 5000 65 13 19 6| 1.3 1.3 2.6| 23.8 -9.8 14.0 2.8 0.19| 4.3 0.8 6000 64 12 17 6| 1.1 1.5 2.6| 23.8 -16.8 7.0 1.2 0.10| 4.0 0.4 Wrote GIF file: /home/apache/climate/data/raob//BIKF/skewt/BIKF.skewt.20250420.23.gif