UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025043012.upa.cvt Date: 1200Z 30 APR 25 Searching for CYBK... Searching the city database file for: CYBK ... Date:1200Z 30 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 ------------------------------------------------------------------------------- 0 1000 30 325 21 SFC 997 51 -22.3 -25.1 78 2.8 -22.6 325 21 251.1 251.1 250.7 252.4 0.50 2 984 147 -22.9 -25.5 79 2.6 -23.2 329 24 251.4 251.5 251.0 252.7 0.49 3 977 200 -19.9 -22.6 79 2.7 -20.3 331 25 254.9 255.0 254.4 256.7 0.64 4 971 246 -19.3 -22.6 75 3.3 -19.8 333 26 256.0 256.1 255.2 257.7 0.64 5 968 269 -19.3 -22.9 73 3.6 -19.8 334 27 256.2 256.3 255.4 257.9 0.63 6 925 606 -21.3 -24.4 76 3.1 -21.7 335 24 257.5 257.6 256.4 259.1 0.57 7 850 1225 -24.9 -26.9 83 2.0 -25.1 345 17 260.1 260.1 258.3 261.5 0.50 8 840 1311 -25.5 -27.6 83 2.1 -25.7 351 17 260.3 260.4 258.4 261.6 0.47 9 825 1442 -23.9 -25.9 84 2.0 -24.1 359 16 263.3 263.4 260.9 264.9 0.56 10 792 1740 -25.1 -26.2 91 1.1 -25.2 351 15 265.2 265.2 262.3 266.8 0.57 11 700 2633 -27.5 -29.3 85 1.8 -27.7 355 20 272.0 272.1 267.0 273.5 0.48 12 692 2716 -27.5 -29.9 80 2.4 -27.8 355 20 272.9 273.0 267.5 274.3 0.46 13 649 3175 -30.5 -34.0 71 3.5 -30.8 360 18 274.6 274.6 268.4 275.6 0.33 14 635 3330 -31.7 -33.7 82 2.0 -31.9 1 17 274.9 275.0 268.7 276.0 0.35 15 611 3602 -32.9 -38.9 55 6.0 -33.3 4 16 276.6 276.6 269.5 277.3 0.22 16 592 3824 -34.3 -38.2 68 3.9 -34.6 5 16 277.5 277.5 270.1 278.2 0.24 17 569 4100 -36.3 -40.9 62 4.6 -36.5 357 17 278.3 278.3 270.5 278.9 0.19 18 563 4174 -36.5 -48.5 28 12.0 -37.0 352 18 278.9 278.9 270.7 279.2 0.08 19 560 4211 -36.5 -40.9 64 4.4 -36.8 350 18 279.3 279.4 271.1 279.9 0.19 20 548 4361 -37.7 -43.7 53 6.0 -38.0 343 18 279.6 279.7 271.2 280.1 0.15 21 544 4411 -38.1 -47.1 38 9.0 -38.5 342 18 279.8 279.8 271.2 280.1 0.10 22 542 4437 -38.1 -49.1 31 11.0 -38.5 341 19 280.1 280.1 271.3 280.3 0.08 23 526 4643 -38.9 -47.9 38 9.0 -39.3 336 19 281.5 281.5 272.2 281.8 0.10 24 500 4990 -40.3 -51.3 30 11.0 -40.7 325 22 283.9 283.9 273.5 284.1 0.07 25 499 5004 -40.5 -51.5 30 11.0 -40.9 320 22 283.8 283.8 273.5 284.0 0.07 26 451 5687 -41.7 -59.7 12 18.0 -42.2 317 20 290.6 290.6 277.0 290.7 0.03 27 426 6073 -40.7 -65.7 5 25.0 -41.3 315 23 296.7 296.7 279.9 296.7 0.01 28 415 6250 -40.1 -64.1 6 24.0 -40.8 307 25 299.7 299.7 281.2 299.8 0.02 29 400 6500 -40.7 -63.7 7 23.0 -41.3 300 27 302.1 302.1 282.3 302.2 0.02 30 376 6920 -42.3 -65.3 6 23.0 -42.9 300 30 305.4 305.4 283.5 305.4 0.02 31 330 7808 -39.3 -74.3 1 35.0 -40.2 291 29 321.1 321.1 289.1 321.1 0.00 32 300 8460 -39.7 -74.7 1 35.0 -40.6 295 23 329.4 329.4 291.6 329.4 0.01 33 250 9700 -41.1 -79.1 1 38.0 -42.1 280 24 345.0 345.0 295.5 345.0 0.00 34 200 11220 -42.5 -80.5 1 38.0 -43.6 290 25 365.5 365.5 299.7 365.5 0.00 35 179 11969 -43.1 -81.1 1 38.0 -44.2 290 30 376.3 376.3 301.6 376.3 0.00 36 169 12357 -42.3 -81.3 1 39.0 -43.6 303 25 383.8 383.8 302.9 383.9 0.00 37 150 13160 -44.3 -82.3 1 38.0 -45.4 305 24 393.7 393.7 304.3 393.7 0.00 38 145 13386 -45.5 -83.5 1 38.0 -46.6 305 23 395.5 395.5 304.6 395.5 0.00 39 139 13668 -43.3 -83.3 0 40.0 -44.7 302 22 404.1 404.2 305.7 404.2 0.00 40 131 14066 -43.3 -83.3 0 40.0 -44.7 297 19 411.1 411.1 306.6 411.1 0.00 41 118 14763 -46.3 -84.3 1 38.0 -47.5 297 16 418.0 418.0 307.5 418.0 0.00 42 102 15729 -46.3 -84.3 1 38.0 -47.6 295 19 435.8 435.8 309.4 435.8 0.00 43 100 15860 -45.7 -84.7 0 39.0 -47.1 315 12 439.4 439.4 309.8 439.4 0.00 44 83 17103 -46.3 -85.3 0 39.0 -47.9 316 16 462.3 462.3 312.0 462.3 0.00 45 78 17518 -44.7 -84.7 0 40.0 -46.7 329 15 473.9 473.9 313.0 473.9 0.00 46 70 18240 -46.9 -85.9 0 39.0 -48.7 355 3 484.1 484.1 313.8 484.1 0.00 47 61 19150 -47.5 -86.5 0 39.0 -49.4 327 11 502.1 502.1 315.1 502.2 0.00 48 56 19717 -45.7 -84.7 0 39.0 -48.0 317 12 518.7 518.7 316.2 518.7 0.01 49 50 20470 -46.5 -85.5 0 39.0 -48.9 300 3 533.9 533.9 317.2 533.9 0.01 50 30 23840 -48.3 -86.3 0 38.0 -51.3 40 5 613.0 613.0 321.2 613.0 0.01 51 20 26510 -48.5 -86.5 0 38.0 -52.5 110 9 687.7 687.7 324.0 687.8 0.01 52 16 27979 -49.9 -87.9 0 38.0 -54.0 46 10 728.5 728.5 325.3 728.6 0.01 53 10 31090 -45.7 -84.7 0 39.0 -53.1 120 8 849.0 849.0 328.4 849.2 0.03 54 7.1 33397 -40.7 -81.7 0 41.0 -52.2 956.9 956.9 330.5 957.7 0.07 55 6.6 33892 -42.5 -83.5 0 41.0 -53.4 969.5 969.6 330.7 970.1 0.06 56 5.8 34771 -39.1 -81.1 0 42.0 -52.7 1020.9 1020.9 331.5 1022.0 0.10 TRP 499 5004 -40.5 -51.5 30 11.0 -40.9 320 22 283.8 283.8 273.5 284.0 0.07 WND Sounding variables and indices 1000-500 mb thick: 4960.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.09 inches Sfc-500 mean rel hum: 71.16 % Est. max temperature: -13.24 C = 8.17 F Sfc-Lift cond lev (LCL): 951.73 mb = 394.77 m = 1295.15 ft T: -20.05 C 700-500 lapse rate: 5.43 C/km Conv cond level (CCL): 841.56 mb = 1297.49 m = 4256.82 ft Mean mixing ratio: 0.57 g/kg Conv temperature: -13.10 C = 8.42 F Cap Strength: 19.85 C Lifted Index: 21.53 C Risk: None Lifted Index @300 mb: 50.81 C Lifted Index @700 mb: 13.32 C Showalter Index: 18.48 C Risk: None Total Totals Index: 28.80 C Risk: None Vertical Totals Index: 15.40 C Cross Totals Index: 13.40 C K Index: -13.30 Risk: None Sweat Index: 56.00 Risk: None Energy Index: 4.83 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 25.76 J/kg Max Up Vert Vel: 7.18 m/s Conv Inhibition (B-): 94279.65 J/kg Cap Strength: 20.94 C Lift Cond Lev (LCL): 899.17 mb = 813.36 m = 2668.48 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 12 at 14 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 ---------------------------------------------------------- 0 997 51 325 21 12.0 -17.2 | 282 15 15.0 -3.2 1 963 305 335 28 11.8 -25.4 | 308 19 14.8 -11.4 2 925 606 335 24 10.1 -21.8 | 301 15 13.1 -7.8 3 925 610 335 24 10.1 -21.8 | 301 15 13.1 -7.8 4 887 914 340 20 6.8 -18.8 | 296 11 9.8 -4.8 5 851 1219 345 17 4.4 -16.4 | 289 8 7.3 -2.5 6 850 1225 345 17 4.4 -16.4 | 289 8 7.3 -2.5 7 816 1524 5 16 -1.4 -15.9 | 322 3 1.5 -2.0 8 782 1829 345 14 3.6 -13.5 | 266 7 6.6 0.4 9 750 2134 355 18 1.6 -17.9 | 311 6 4.5 -4.0 10 719 2438 355 18 1.6 -17.9 | 311 6 4.5 -4.0 11 700 2633 355 20 1.7 -19.9 | 322 8 4.7 -6.0 12 689 2743 355 20 1.7 -19.9 | 322 8 4.7 -6.0 13 605 3658 5 16 -1.4 -15.9 | 322 3 1.5 -2.0 14 579 3962 5 17 -1.5 -16.9 | 334 3 1.5 -3.0 15 554 4267 345 18 4.7 -17.4 | 294 8 7.6 -3.4 16 508 4877 330 20 10.0 -17.3 | 285 13 12.9 -3.4 17 500 4990 325 22 12.6 -18.0 | 285 16 15.6 -4.1 18 499 5004 320 22 14.1 -16.9 | 280 17 17.1 -2.9 19 465 5486 310 16 12.3 -10.3 | 256 16 15.2 3.7 20 444 5791 320 22 14.1 -16.9 | 280 17 17.1 -2.9 21 425 6096 315 23 16.3 -16.3 | 277 19 19.2 -2.3 22 406 6401 300 27 23.4 -13.5 | 269 26 26.3 0.5 23 400 6500 300 27 23.4 -13.5 | 269 26 26.3 0.5 24 355 7315 300 33 28.6 -16.5 | 275 32 31.5 -2.5 25 339 7620 290 31 29.1 -10.6 | 264 32 32.1 3.4 26 300 8460 295 23 20.8 -9.7 | 260 24 23.8 4.2 27 297 8534 295 24 21.8 -10.1 | 261 25 24.7 3.8 28 284 8839 280 27 26.6 -4.7 | 253 31 29.5 9.3 29 271 9144 290 27 25.4 -9.2 | 261 29 28.3 4.7 30 250 9700 280 24 23.6 -4.2 | 250 28 26.6 9.8 31 248 9754 280 24 23.6 -4.2 | 250 28 26.6 9.8 32 237 10058 300 26 22.5 -13.0 | 268 25 25.5 1.0 33 217 10668 290 24 22.6 -8.2 | 257 26 25.5 5.8 34 207 10973 305 24 19.7 -13.8 | 270 23 22.6 0.2 35 200 11220 290 25 23.5 -8.6 | 258 27 26.4 5.4 36 198 11278 290 22 20.7 -7.5 | 255 24 23.6 6.4 37 173 12192 290 32 30.1 -10.9 | 265 33 33.0 3.0 38 166 12497 315 19 13.4 -13.4 | 268 16 16.4 0.5 39 151 13106 285 20 19.3 -5.2 | 248 24 22.3 8.8 40 150 13160 305 24 19.7 -13.8 | 270 23 22.6 0.2 41 144 13411 305 23 18.8 -13.2 | 268 22 21.8 0.8 42 120 14630 290 16 15.0 -5.5 | 245 20 18.0 8.5 43 110 15240 325 18 10.3 -14.7 | 273 13 13.3 -0.8 44 105 15545 295 16 14.5 -6.8 | 248 19 17.4 7.2 45 100 15850 295 21 19.0 -8.9 | 257 23 22.0 5.1 46 100 15860 315 12 8.5 -8.5 | 244 13 11.4 5.5 47 96 16154 330 10 5.0 -8.7 | 236 10 7.9 5.3 48 91 16459 320 11 7.1 -8.4 | 241 11 10.0 5.5 49 87 16764 330 13 6.5 -11.3 | 254 10 9.4 2.7 50 80 17374 305 19 15.6 -10.9 | 261 19 18.5 3.1 51 76 17678 355 10 0.9 -10.0 | 224 6 3.8 4.0 52 73 17983 0 0 -0.0 -0.0 | 192 14 2.9 14.0 53 70 18240 355 3 0.3 -3.0 | 196 11 3.2 11.0 54 63 18898 310 10 7.7 -6.4 | 235 13 10.6 7.5 55 61 19202 330 11 5.5 -9.5 | 242 10 8.4 4.4 56 58 19507 300 10 8.7 -5.0 | 232 15 11.6 9.0 57 55 19812 325 13 7.5 -10.6 | 252 11 10.4 3.3 58 53 20117 10 15 -2.6 -14.8 | 338 1 0.3 -0.8 59 50 20422 40 10 -6.4 -7.7 | 151 7 -3.5 6.3 60 50 20470 300 3 2.6 -1.5 | 204 14 5.5 12.5 61 46 21031 325 1 0.6 -0.8 | 195 14 3.5 13.1 62 44 21336 40 3 -1.9 -2.3 | 185 12 1.0 11.7 63 33 23165 340 11 3.8 -10.3 | 242 8 6.7 3.6 64 32 23470 15 10 -2.6 -9.7 | 185 4 0.3 4.3 65 30 23774 20 1 -0.3 -0.9 | 191 13 2.6 13.0 66 30 23840 40 5 -3.2 -3.8 | 178 10 -0.3 10.1 67 29 24079 45 11 -7.8 -7.8 | 142 8 -4.8 6.2 68 23 25603 130 1 -0.8 0.6 | 188 15 2.2 14.6 69 22 25908 25 10 -4.2 -9.1 | 165 5 -1.3 4.9 70 21 26213 75 10 -9.7 -2.6 | 149 13 -6.7 11.4 71 20 26510 110 9 -8.5 3.1 | 162 18 -5.5 17.0 72 20 26518 80 17 -16.7 -3.0 | 129 18 -13.8 11.0 73 19 26822 95 10 -10.0 0.9 | 155 16 -7.0 14.8 74 17 27432 100 7 -6.9 1.2 | 165 16 -4.0 15.2 75 16 28042 40 10 -6.4 -7.7 | 151 7 -3.5 6.3 76 15 28346 70 12 -11.3 -4.1 | 140 13 -8.3 9.9 77 14 28651 45 12 -8.5 -8.5 | 135 8 -5.5 5.5 78 13 29261 70 14 -13.2 -4.8 | 132 14 -10.2 9.2 79 13 29566 115 15 -13.6 6.3 | 152 23 -10.7 20.3 80 12 29870 115 13 -11.8 5.5 | 156 21 -8.8 19.5 81 11 30175 100 13 -12.8 2.3 | 149 19 -9.9 16.2 82 10 31090 120 8 -6.9 4.0 | 167 18 -4.0 18.0 Wind Parameters Mean winds (0-6000m): 341.9 at 19.0 knts Storm direction: 11.9 at 14.3 knts Shear (0-3000m) pos: 2.5 neg: 0.6 tot: 3.1 10-3/s Storm rel Dir Shear (0-3000m): 41.3 deg Storm rel helicity (0-3000m) pos: 44.0 neg: -16.7 tot: 27.3 m^2/s^2 ave: 9.1 10^-3 m/s^2 rel: 0.22 Storm rel vorticity (0-3000m) horiz: 6.4 stream: 1.4 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 3.69 Bulk Shear: 6.98 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 ------------------------------------------------------------------------------- 500 333 25 301 17| 5.6 0.0 5.6| 31.8 -6.0 25.8 51.6 0.56| 10.7 6.0 1000 335 23 300 15| 3.3 0.0 3.3| 31.8 -12.1 19.7 19.7 0.24| 8.8 2.1 1500 339 21 300 12| 4.5 0.0 4.5| 34.3 -13.4 20.9 14.0 0.22| 8.3 1.8 2000 342 20 298 10| 3.3 0.8 4.2| 39.3 -16.7 22.6 11.3 0.17| 8.3 1.4 2500 344 19 300 9| 2.8 0.7 3.5| 42.7 -16.7 26.0 10.4 0.22| 7.2 1.6 3000 346 19 303 9| 2.5 0.6 3.1| 44.0 -16.7 27.3 9.1 0.22| 6.4 1.4 4000 350 19 306 8| 2.1 0.6 2.7| 44.5 -17.9 26.6 6.6 0.17| 5.6 1.0 5000 348 19 302 8| 1.7 1.9 3.6| 44.5 -35.9 8.6 1.7 0.02| 6.0 0.1 6000 342 19 295 10| 1.2 1.5 2.7| 70.7 -62.6 8.1 1.3 0.02| 6.1 0.1 Wrote GIF file: /home/apache/climate/data/raob//CYBK/skewt/CYBK.skewt.20250430.12.gif