UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042900.upa.cvt Date: 0000Z 29 APR 25 Searching for CYBK... Searching the city database file for: CYBK ... Date:0000Z 29 APR 25 Station: CYBK WMO ident: 71926 Latitude: 64.32 Longitude: -96.00 Elevation: 51.00 ------------------------------------------------------------------------------- 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 1008 51 -11.1 -14.7 75 3.6 -11.9 250 10 261.5 261.6 260.8 264.7 1.21 1 1000 113 -12.1 -15.4 76 3.3 -12.8 260 9 261.0 261.2 260.3 264.2 1.15 2 982 252 -13.3 -15.9 81 2.6 -13.8 275 16 261.2 261.4 260.4 264.3 1.12 3 963 401 -10.5 -16.5 61 6.0 -11.8 285 17 265.5 265.7 263.6 268.5 1.09 4 953 481 -10.7 -16.7 61 6.0 -12.0 289 16 266.1 266.3 264.0 269.1 1.08 5 925 710 -12.1 -16.4 70 4.3 -13.0 290 20 266.9 267.1 264.7 270.1 1.15 6 858 1281 -14.5 -19.0 69 4.5 -15.4 267 26 270.2 270.4 266.7 273.0 0.99 7 850 1352 -14.9 -18.5 74 3.6 -15.6 270 26 270.5 270.7 267.0 273.5 1.04 8 830 1532 -16.5 -17.0 96 0.5 -16.6 272 27 270.7 270.9 267.4 274.1 1.21 9 807 1742 -17.7 -17.8 99 0.1 -17.7 274 28 271.6 271.8 268.0 274.9 1.17 10 804 1770 -17.9 -18.1 98 0.2 -17.9 274 28 271.7 271.9 268.0 274.9 1.14 11 749 2299 -19.5 -20.6 91 1.1 -19.7 283 28 275.5 275.7 270.2 278.4 0.99 12 741 2378 -19.1 -23.6 68 4.5 -19.8 287 27 276.8 276.9 270.6 279.1 0.77 13 734 2449 -19.1 -25.1 59 6.0 -20.1 290 26 277.5 277.7 270.9 279.6 0.68 14 731 2479 -19.1 -23.0 71 3.9 -19.8 289 26 277.9 278.0 271.3 280.3 0.82 15 719 2603 -19.7 -28.7 45 9.0 -21.0 285 28 278.5 278.6 271.2 280.0 0.50 16 700 2801 -20.7 -28.7 49 8.0 -21.8 280 32 279.6 279.6 271.8 281.1 0.51 17 689 2918 -21.3 -27.3 58 6.0 -22.2 281 32 280.2 280.3 272.3 282.0 0.59 18 626 3620 -25.5 -36.5 35 11.0 -26.6 285 31 283.2 283.2 273.5 284.0 0.27 19 620 3690 -26.1 -31.1 63 5.0 -26.7 285 31 283.2 283.3 273.8 284.7 0.46 20 614 3760 -26.5 -33.5 52 7.0 -27.3 286 32 283.6 283.6 273.9 284.7 0.37 21 610 3807 -26.7 -32.7 57 6.0 -27.3 286 32 283.9 283.9 274.1 285.1 0.40 22 608 3831 -26.5 -28.8 81 2.3 -26.8 286 32 284.4 284.5 274.6 286.2 0.58 23 574 4245 -28.7 -31.8 75 3.1 -29.0 290 35 286.5 286.6 275.6 288.0 0.46 24 554 4498 -30.7 -33.4 77 2.7 -31.0 292 36 287.1 287.1 275.8 288.4 0.41 25 552 4524 -30.9 -35.8 62 4.9 -31.3 292 36 287.1 287.2 275.7 288.2 0.33 26 523 4905 -33.5 -35.5 82 2.0 -33.7 295 38 288.5 288.5 276.5 289.6 0.36 27 519 4959 -33.7 -33.7 100 0.0 -33.7 294 38 288.9 288.9 276.7 290.2 0.43 28 516 5000 -34.1 -35.9 84 1.8 -34.3 293 38 288.8 288.9 276.6 290.0 0.35 29 513 5041 -34.3 -35.2 92 0.9 -34.4 293 38 289.1 289.2 276.8 290.3 0.37 30 512 5054 -34.3 -37.2 75 2.9 -34.6 292 38 289.3 289.3 276.8 290.3 0.31 31 511 5068 -34.5 -50.5 18 16.0 -35.3 292 38 289.2 289.2 276.3 289.4 0.07 32 510 5082 -34.5 -64.5 3 30.0 -35.4 292 38 289.3 289.3 276.3 289.4 0.01 33 502 5192 -34.9 -47.9 25 13.0 -35.6 290 38 290.2 290.2 276.9 290.5 0.10 34 500 5220 -34.9 -39.9 60 5.0 -35.3 290 38 290.5 290.5 277.3 291.3 0.24 35 494 5304 -35.7 -45.7 35 10.0 -36.2 290 39 290.5 290.5 277.2 291.0 0.13 36 492 5332 -35.9 -40.4 63 4.5 -36.2 290 39 290.6 290.6 277.3 291.4 0.23 37 491 5346 -36.1 -39.9 68 3.8 -36.4 290 39 290.5 290.6 277.3 291.3 0.24 38 479 5516 -36.5 -38.6 81 2.1 -36.7 290 41 292.1 292.1 278.2 293.0 0.28 39 454 5884 -38.7 -42.7 66 4.0 -38.9 290 44 293.9 293.9 278.9 294.5 0.19 40 441 6082 -40.1 -41.8 84 1.7 -40.2 290 46 294.5 294.6 279.2 295.3 0.22 41 435 6175 -40.5 -48.5 42 8.0 -40.9 291 47 295.2 295.2 279.3 295.6 0.11 42 432 6222 -40.9 -47.9 47 7.0 -41.2 291 47 295.3 295.3 279.4 295.7 0.12 43 429 6269 -41.1 -42.7 84 1.6 -41.2 291 48 295.6 295.6 279.7 296.3 0.21 44 426 6317 -41.3 -54.3 23 13.0 -41.8 292 48 295.9 295.9 279.6 296.1 0.06 45 424 6348 -41.5 -47.5 52 6.0 -41.8 292 49 296.1 296.1 279.8 296.5 0.12 46 420 6412 -41.9 -45.7 66 3.8 -42.1 292 49 296.4 296.4 280.0 296.9 0.15 47 417 6461 -42.1 -51.1 37 9.0 -42.5 293 50 296.7 296.7 280.0 297.0 0.08 48 405 6657 -43.3 -48.3 58 5.0 -43.5 294 52 297.7 297.7 280.5 298.1 0.12 49 400 6740 -43.9 -49.9 51 6.0 -44.1 295 53 297.9 298.0 280.6 298.3 0.10 50 394 6841 -44.7 -49.7 57 5.0 -44.9 295 53 298.2 298.2 280.7 298.5 0.10 51 391 6892 -45.1 -54.1 36 9.0 -45.4 295 53 298.3 298.3 280.7 298.5 0.06 52 385 6995 -45.7 -56.7 28 11.0 -46.0 295 53 298.8 298.9 280.9 299.0 0.05 53 379 7100 -46.3 -50.4 63 4.1 -46.4 295 53 299.4 299.4 281.2 299.8 0.10 54 377 7135 -46.5 -53.5 45 7.0 -46.7 295 53 299.6 299.6 281.3 299.8 0.07 55 302 8587 -52.5 -64.5 22 12.0 -52.7 300 53 310.8 310.8 285.6 310.8 0.02 56 300 8630 -52.5 -63.5 25 11.0 -52.7 300 52 311.3 311.4 285.8 311.4 0.02 57 250 9820 -47.9 -79.9 1 32.0 -48.4 290 35 334.9 334.9 293.0 334.9 0.00 58 200 11310 -45.7 -81.7 1 36.0 -46.5 285 29 360.4 360.4 298.8 360.4 0.00 59 150 13210 -47.9 -83.9 1 36.0 -48.7 285 27 387.5 387.5 303.4 387.5 0.00 60 100 15910 -45.3 -83.3 1 38.0 -46.8 300 14 440.2 440.2 309.9 440.2 0.00 61 93 16394 -44.7 -83.7 1 39.0 -46.4 296 13 450.6 450.6 310.9 450.6 0.00 62 86 16913 -47.3 -84.3 1 37.0 -48.7 286 13 455.6 455.6 311.4 455.6 0.00 63 82 17229 -45.5 -84.5 0 39.0 -47.3 279 16 465.5 465.5 312.3 465.5 0.00 64 70 18280 -46.3 -85.3 0 39.0 -48.1 305 13 485.3 485.3 313.9 485.4 0.00 65 50 20510 -47.3 -86.3 0 39.0 -49.5 225 8 532.0 532.0 317.1 532.0 0.00 66 30 23880 -48.3 -86.3 0 38.0 -51.3 125 7 613.0 613.0 321.2 613.0 0.01 67 22 25923 -49.3 -87.3 0 38.0 -52.8 25 0 666.8 666.8 323.3 666.9 0.01 68 20 26550 -48.9 -86.9 0 38.0 -52.7 75 1 686.5 686.5 324.0 686.6 0.01 69 10 31130 -46.3 -85.3 0 39.0 -53.4 85 9 846.7 846.7 328.3 847.0 0.03 70 8.6 32137 -44.3 -84.3 0 40.0 -53.0 891.8 891.9 329.2 892.2 0.04 71 7.7 32887 -38.7 -80.7 0 42.0 -51.0 943.0 943.0 330.2 943.8 0.08 72 6.7 33841 -39.3 -81.3 0 42.0 -52.0 978.8 978.8 330.8 979.7 0.08 TRP 302 8587 -52.5 -64.5 22 12.0 -52.7 300 53 310.8 310.8 285.6 310.8 0.02 WND Sounding variables and indices 1000-500 mb thick: 5107.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.17 inches Sfc-500 mean rel hum: 68.93 % Est. max temperature: -2.30 C = 27.86 F Sfc-Lift cond lev (LCL): 951.14 mb = 496.34 m = 1628.40 ft T: -10.79 C 700-500 lapse rate: 5.87 C/km ThetaE index: 0.56 C Layer 1000.0- 982.0 mb Conv cond level (CCL): 773.06 mb = 2062.78 m = 6767.56 ft Mean mixing ratio: 1.12 g/kg Conv temperature: 1.27 C = 34.29 F Cap Strength: 18.52 C Lifted Index: 18.81 C Risk: None Lifted Index @300 mb: 30.92 C Lifted Index @700 mb: 11.62 C Showalter Index: 14.18 C Risk: None Total Totals Index: 36.40 C Risk: None Vertical Totals Index: 20.00 C Cross Totals Index: 16.40 C K Index: -6.50 Risk: None Sweat Index: 90.00 Risk: None Energy Index: 3.74 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 33.60 J/kg Max Up Vert Vel: 8.20 m/s Conv Inhibition (B-): 85130.48 J/kg Cap Strength: 18.72 C Lift Cond Lev (LCL): 890.52 mb = 998.59 m = 3276.16 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 315 at 23 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 1008 51 250 10 9.4 3.4 | 161 21 -6.9 19.6 1 1000 113 260 9 8.9 1.6 | 157 19 -7.4 17.7 2 975 305 280 18 17.7 -3.1 | 186 13 1.5 13.0 3 937 610 295 15 13.6 -6.3 | 165 10 -2.7 9.8 4 925 710 290 20 18.8 -6.8 | 195 10 2.5 9.3 5 900 914 275 19 18.9 -1.7 | 190 15 2.7 14.5 6 865 1219 265 26 25.9 2.3 | 208 21 9.7 18.4 7 850 1352 270 26 26.0 -0.0 | 211 19 9.8 16.2 8 797 1829 275 28 27.9 -2.4 | 220 18 11.6 13.7 9 765 2134 275 30 29.9 -2.6 | 225 19 13.6 13.5 10 735 2438 290 26 24.4 -8.9 | 228 11 8.2 7.3 11 705 2743 280 29 28.6 -5.0 | 228 17 12.3 11.1 12 700 2801 280 32 31.5 -5.6 | 235 19 15.3 10.6 13 621 3658 285 31 29.9 -8.0 | 239 16 13.7 8.1 14 571 4267 290 35 32.9 -12.0 | 256 17 16.6 4.2 15 524 4877 295 38 34.4 -16.1 | 270 18 18.2 0.1 16 500 5220 290 38 35.7 -13.0 | 261 20 19.5 3.2 17 440 6096 290 46 43.2 -15.7 | 269 27 27.0 0.4 18 400 6740 295 53 48.0 -22.4 | 281 32 31.8 -6.2 19 350 7620 295 52 47.1 -22.0 | 281 31 30.9 -5.8 20 334 7925 295 55 49.8 -23.2 | 282 34 33.6 -7.1 21 302 8587 300 53 45.9 -26.5 | 289 31 29.7 -10.3 22 300 8630 300 52 45.0 -26.0 | 289 30 28.8 -9.8 23 277 9144 295 43 39.0 -18.2 | 275 23 22.7 -2.0 24 250 9820 290 35 32.9 -12.0 | 256 17 16.6 4.2 25 220 10668 295 34 30.8 -14.4 | 263 15 14.6 1.8 26 200 11310 285 29 28.0 -7.5 | 234 15 11.8 8.7 27 192 11582 280 27 26.6 -4.7 | 222 15 10.3 11.5 28 183 11887 300 27 23.4 -13.5 | 250 8 7.1 2.7 29 175 12192 275 22 21.9 -1.9 | 202 15 5.7 14.2 30 160 12802 290 29 27.3 -9.9 | 240 13 11.0 6.2 31 150 13210 285 27 26.1 -7.0 | 227 13 9.8 9.2 32 146 13411 275 27 26.9 -2.4 | 218 17 10.6 13.8 33 133 14021 280 18 17.7 -3.1 | 186 13 1.5 13.0 34 121 14630 310 18 13.8 -11.6 | 152 5 -2.5 4.6 35 116 14935 285 19 18.4 -4.9 | 191 11 2.1 11.2 36 111 15240 270 16 16.0 -0.0 | 179 16 -0.2 16.2 37 106 15545 265 20 19.9 1.7 | 192 18 3.7 17.9 38 101 15850 295 12 10.9 -5.1 | 154 12 -5.4 11.1 39 100 15910 300 14 12.1 -7.0 | 156 10 -4.1 9.2 40 96 16154 300 14 12.1 -7.0 | 156 10 -4.1 9.2 41 92 16459 295 13 11.8 -5.5 | 157 12 -4.5 10.7 42 88 16764 315 10 7.1 -7.1 | 135 13 -9.2 9.1 43 84 17069 255 16 15.5 4.1 | 178 20 -0.8 20.3 44 80 17374 300 16 13.9 -8.0 | 164 9 -2.4 8.2 45 77 17678 305 13 10.6 -7.5 | 147 10 -5.6 8.7 46 73 17983 250 10 9.4 3.4 | 161 21 -6.9 19.6 47 70 18280 305 13 10.6 -7.5 | 147 10 -5.6 8.7 48 70 18288 295 14 12.7 -5.9 | 161 11 -3.6 10.2 49 67 18593 305 14 11.5 -8.0 | 150 9 -4.8 8.1 50 53 20117 300 10 8.7 -5.0 | 146 13 -7.6 11.2 51 50 20510 225 8 5.7 5.7 | 154 24 -10.6 21.8 52 46 21031 290 11 10.3 -3.8 | 155 14 -5.9 12.4 53 44 21336 320 6 3.9 -4.6 | 133 17 -12.4 11.6 54 30 23880 125 7 -5.7 4.0 | 133 30 -22.0 20.2 55 23 25603 0 0 -0.0 -0.0 | 135 23 -16.2 16.2 56 20 26550 75 1 -1.0 -0.3 | 133 23 -17.2 15.9 57 18 27432 60 4 -3.5 -2.0 | 126 24 -19.7 14.2 58 17 27737 5 12 -1.0 -12.0 | 104 18 -17.3 4.2 59 16 28042 65 11 -10.0 -4.6 | 114 29 -26.2 11.5 60 15 28346 100 10 -9.8 1.7 | 124 32 -26.1 17.9 61 15 28651 0 0 -0.0 -0.0 | 135 23 -16.2 16.2 62 12 30175 40 19 -12.2 -14.6 | 93 29 -28.5 1.6 63 10 31130 85 9 -9.0 -0.8 | 121 30 -25.2 15.4 Wind Parameters Mean winds (0-6000m): 284.8 at 30.6 knts Storm direction: 314.8 at 22.9 knts Shear (0-3000m) pos: 3.2 neg: 2.5 tot: 5.7 10-3/s Storm rel Dir Shear (0-3000m): 75.7 deg Storm rel helicity (0-3000m) pos: 103.4 neg: -10.1 tot: 93.3 m^2/s^2 ave: 31.1 10^-3 m/s^2 rel: 0.39 Storm rel vorticity (0-3000m) horiz: 9.3 stream: 3.6 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 0.98 Bulk Shear: 34.20 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 ------------------------------------------------------------------------------- 500 279 15 173 14| 10.9 0.0 10.9| 27.1 -8.3 18.8 37.6 0.26| 14.9 3.8 1000 281 17 181 13| 5.4 4.9 10.4| 47.8 -9.9 37.9 37.9 0.37| 13.6 5.0 1500 276 20 193 15| 4.8 3.3 8.1| 71.8 -9.9 61.9 41.3 0.43| 11.6 5.0 2000 275 22 201 15| 4.3 2.5 6.8| 85.9 -9.9 76.0 38.0 0.47| 9.5 4.5 2500 277 23 206 15| 3.9 2.0 5.9| 92.2 -9.9 82.4 32.9 0.40| 9.7 3.9 3000 278 24 211 15| 3.2 2.5 5.7|103.4 -10.1 93.3 31.1 0.39| 9.3 3.6 4000 280 26 219 15| 3.0 1.9 4.8|120.5 -10.1 110.4 27.6 0.42| 7.6 3.2 5000 283 28 229 15| 2.9 1.5 4.4|147.0 -16.6 130.4 26.1 0.44| 6.9 3.0 6000 285 31 238 16| 2.4 1.8 4.2|165.6 -23.3 142.3 23.7 0.41| 6.5 2.7 Wrote GIF file: /home/apache/climate/data/raob//CYBK/skewt/CYBK.skewt.20250429.00.gif