UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2026010712.upa.cvt Date: 1200Z 7 JAN 26 Searching for CYBK... Searching the city database file for: CYBK ... Date:1200Z 7 JAN 26 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 -54 SFC 986 51 -23.9 -26.6 78 2.7 -24.2 330 14 250.3 250.3 249.9 251.4 0.44 2 968 185 -25.1 -28.2 75 3.1 -25.4 335 13 250.4 250.4 249.8 251.4 0.39 3 956 275 -23.1 -26.4 74 3.3 -23.5 339 13 253.3 253.4 252.6 254.6 0.46 4 940 398 -22.7 -25.7 76 3.0 -23.1 322 12 254.9 255.0 254.1 256.3 0.50 5 925 516 -22.9 -25.5 79 2.6 -23.2 300 11 255.9 256.0 254.9 257.3 0.52 6 910 636 -23.5 -25.7 82 2.2 -23.8 306 14 256.5 256.6 255.4 257.9 0.52 7 865 1008 -21.3 -23.8 80 2.5 -21.7 317 18 262.5 262.6 260.5 264.3 0.65 8 855 1094 -21.5 -23.9 81 2.4 -21.8 319 19 263.2 263.3 261.0 265.0 0.65 9 850 1137 -21.9 -23.9 84 2.0 -22.2 320 19 263.2 263.3 261.0 265.0 0.65 10 828 1329 -23.3 -24.5 90 1.2 -23.5 325 20 263.7 263.8 261.4 265.5 0.63 11 798 1600 -21.7 -24.7 77 3.0 -22.1 326 19 268.2 268.3 264.7 270.1 0.65 12 700 2558 -25.5 -27.4 84 1.9 -25.8 15 6 274.2 274.3 268.6 276.0 0.58 13 687 2694 -25.5 -28.1 79 2.6 -25.8 33 7 275.7 275.8 269.5 277.4 0.55 14 636 3249 -30.5 -30.5 100 0.0 -30.5 5 9 276.2 276.3 269.7 277.6 0.47 15 617 3464 -32.5 -32.7 98 0.2 -32.5 326 7 276.3 276.4 269.6 277.5 0.40 16 616 3475 -31.7 -33.1 87 1.4 -31.8 324 7 277.3 277.4 270.2 278.5 0.38 17 613 3510 -29.1 -47.1 16 18.0 -30.2 317 6 280.7 280.7 271.7 281.0 0.09 18 609 3557 -28.5 -47.5 14 19.0 -29.7 309 6 281.9 281.9 272.4 282.2 0.09 19 563 4119 -29.3 -52.3 9 23.0 -30.6 294 6 287.4 287.4 275.4 287.6 0.05 20 506 4876 -33.3 -62.3 4 29.0 -34.3 290 14 291.4 291.4 277.4 291.5 0.02 21 500 4960 -33.3 -63.3 3 30.0 -34.4 285 17 292.4 292.4 277.9 292.5 0.02 22 493 5059 -33.1 -64.1 3 31.0 -34.2 281 17 293.9 293.9 278.6 293.9 0.01 23 456 5605 -34.3 -60.3 5 26.0 -35.3 275 26 299.0 299.0 280.9 299.1 0.02 24 400 6510 -39.9 -51.9 27 12.0 -40.4 280 28 303.1 303.1 282.8 303.4 0.08 25 385 6770 -42.1 -50.1 41 8.0 -42.5 278 25 303.6 303.6 283.0 303.9 0.10 26 354 7333 -45.9 -52.9 45 7.0 -46.2 263 19 305.8 305.9 283.8 306.1 0.08 27 351 7389 -46.3 -56.3 31 10.0 -46.6 262 19 306.0 306.1 283.9 306.2 0.05 28 347 7465 -46.7 -53.7 45 7.0 -46.9 259 18 306.5 306.5 284.1 306.8 0.07 29 343 7542 -47.3 -56.3 35 9.0 -47.6 257 17 306.7 306.7 284.1 306.9 0.05 30 340 7600 -47.5 -59.5 24 12.0 -47.8 256 16 307.2 307.2 284.3 307.3 0.04 31 324 7917 -49.3 -58.3 34 9.0 -49.5 263 14 309.0 309.0 285.0 309.2 0.05 32 316 8081 -49.9 -70.9 7 21.0 -50.2 268 13 310.4 310.4 285.5 310.4 0.01 33 313 8143 -50.3 -68.3 10 18.0 -50.6 270 13 310.7 310.7 285.6 310.7 0.01 34 300 8420 -50.1 -70.1 8 20.0 -50.4 265 17 314.7 314.7 287.0 314.8 0.01 35 281 8848 -49.7 -72.7 5 23.0 -50.0 261 14 321.3 321.3 289.1 321.3 0.01 36 256 9456 -51.1 -74.1 5 23.0 -51.4 298 10 327.9 327.9 291.1 327.9 0.01 37 250 9610 -50.9 -74.9 4 24.0 -51.2 260 10 330.4 330.4 291.8 330.4 0.01 38 200 11060 -49.3 -81.3 1 32.0 -49.8 280 21 354.7 354.7 297.6 354.7 0.00 39 158 12608 -48.3 -82.3 1 34.0 -49.0 282 25 381.1 381.1 302.4 381.1 0.00 40 150 12950 -48.9 -82.9 1 34.0 -49.6 275 23 385.8 385.8 303.2 385.8 0.00 41 100 15590 -53.3 -85.3 1 32.0 -53.9 290 34 424.7 424.7 308.3 424.8 0.00 42 70 17870 -56.9 -87.9 1 31.0 -57.5 285 33 462.7 462.7 312.0 462.7 0.00 43 68 18053 -56.9 -87.9 1 31.0 -57.5 283 36 466.5 466.5 312.3 466.5 0.00 44 50 19970 -61.9 -88.9 2 27.0 -62.4 285 38 497.6 497.6 314.8 497.6 0.00 45 30 23060 -71.1 -92.1 3 21.0 -71.3 295 53 550.8 550.8 318.1 550.8 0.00 46 23 24616 -75.3 -94.3 4 19.0 -75.4 287 67 581.9 581.9 319.8 582.0 0.00 47 21 25145 -73.7 -93.7 3 20.0 -73.9 285 75 602.1 602.1 320.7 602.1 0.00 48 20 25430 -74.3 -94.3 3 20.0 -74.5 285 72 608.7 608.7 321.0 608.8 0.00 49 12 28364 -79.7 -96.7 4 17.0 -79.8 285 87 685.4 685.4 324.0 685.4 0.00 50 10 29400 -78.7 -96.2 4 17.5 -79.0 285 98 725.6 725.6 325.2 725.6 0.00 51 8.2 30533 -77.7 -95.7 4 18.0 -78.0 285 98 772.1 772.1 326.5 772.2 0.00 TRP 313 8143 -50.3 -68.3 10 18.0 -50.6 270 13 310.7 310.7 285.6 310.7 0.01 WND 10 29400 -78.7 -96.2 4 17.5 -79.0 285 98 725.6 725.6 325.2 725.6 0.00 Sounding variables and indices 1000-500 mb thick: 5014.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.09 inches Sfc-500 mean rel hum: 60.63 % Est. max temperature: -10.69 C = 12.76 F Sfc-Lift cond lev (LCL): 942.62 mb = 378.16 m = 1240.65 ft T: -22.77 C 700-500 lapse rate: 3.25 C/km ThetaE index: 0.03 C Layer 968.0- 956.0 mb Conv cond level (CCL): 640.08 mb = 3202.68 m = 10507.34 ft Mean mixing ratio: 0.49 g/kg Conv temperature: 1.89 C = 35.39 F Cap Strength: 29.20 C Lifted Index: 29.90 C Risk: None Lifted Index @300 mb: 41.58 C Lifted Index @700 mb: 16.78 C Showalter Index: 22.58 C Risk: None Total Totals Index: 20.80 C Risk: None Vertical Totals Index: 11.40 C Cross Totals Index: 9.40 C K Index: -14.40 Risk: None Sweat Index: 55.00 Risk: None Energy Index: 5.80 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 35.77 J/kg Max Up Vert Vel: 8.46 m/s Conv Inhibition (B-): 70857.20 J/kg Cap Strength: 29.43 C Lift Cond Lev (LCL): 894.06 mb = 765.44 m = 2511.25 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 338 at 10 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 ---------------------------------------------------------- 0 986 51 330 14 7.0 -12.1 | 312 4 3.2 -2.8 1 952 305 340 13 4.4 -12.2 | 348 3 0.6 -2.9 2 925 516 300 11 9.5 -5.5 | 236 7 5.7 3.8 3 913 610 305 14 11.5 -8.0 | 261 8 7.6 1.2 4 876 914 315 18 12.7 -12.7 | 291 10 8.9 -3.4 5 850 1137 320 19 12.2 -14.6 | 302 10 8.4 -5.3 6 841 1219 325 19 10.9 -15.6 | 312 9 7.1 -6.3 7 806 1524 325 21 12.0 -17.2 | 314 11 8.2 -7.9 8 773 1829 330 12 6.0 -10.4 | 297 2 2.2 -1.1 9 742 2134 345 8 2.1 -7.7 | 132 2 -1.8 1.6 10 712 2438 350 6 1.0 -5.9 | 140 4 -2.8 3.4 11 700 2558 15 6 -1.6 -5.8 | 123 6 -5.4 3.5 12 682 2743 40 8 -5.1 -6.1 | 109 10 -9.0 3.2 13 654 3048 40 11 -7.1 -8.4 | 94 11 -10.9 0.9 14 600 3658 290 5 4.7 -1.7 | 187 8 0.9 7.6 15 551 4267 295 6 5.4 -2.5 | 193 7 1.6 6.7 16 506 4877 290 14 13.2 -4.8 | 244 10 9.3 4.5 17 500 4960 285 17 16.4 -4.4 | 249 14 12.6 4.9 18 484 5182 275 18 17.9 -1.6 | 241 16 14.1 7.7 19 444 5791 275 29 28.9 -2.5 | 255 26 25.1 6.8 20 425 6096 270 27 27.0 -0.0 | 248 25 23.2 9.3 21 406 6401 265 27 26.9 2.4 | 243 26 23.1 11.6 22 400 6510 280 28 27.6 -4.9 | 259 24 23.8 4.4 23 388 6706 280 26 25.6 -4.5 | 258 22 21.8 4.8 24 339 7620 255 16 15.5 4.1 | 221 18 11.6 13.4 25 313 8143 270 13 13.0 -0.0 | 225 13 9.2 9.3 26 300 8420 265 17 16.9 1.5 | 231 17 13.1 10.8 27 295 8534 280 16 15.8 -2.8 | 241 14 11.9 6.5 28 281 8839 260 14 13.8 2.4 | 220 15 10.0 11.7 29 269 9144 290 12 11.3 -4.1 | 235 9 7.5 5.2 30 256 9449 300 10 8.7 -5.0 | 229 6 4.8 4.3 31 250 9610 260 10 9.8 1.7 | 209 13 6.0 11.0 32 245 9754 255 10 9.7 2.6 | 206 13 5.8 11.9 33 223 10363 280 23 22.7 -4.0 | 254 20 18.8 5.3 34 212 10668 285 15 14.5 -3.9 | 243 12 10.7 5.4 35 203 10973 285 19 18.4 -4.9 | 253 15 14.5 4.4 36 200 11060 280 21 20.7 -3.6 | 252 18 16.9 5.6 37 161 12497 280 27 26.6 -4.7 | 259 23 22.8 4.6 38 153 12802 285 22 21.3 -5.7 | 258 18 17.4 3.6 39 150 12950 275 23 22.9 -2.0 | 249 20 19.1 7.3 40 146 13106 275 23 22.9 -2.0 | 249 20 19.1 7.3 41 111 14935 295 37 33.5 -15.6 | 282 30 29.7 -6.4 42 106 15240 295 33 29.9 -13.9 | 280 26 26.1 -4.7 43 100 15590 290 34 31.9 -11.6 | 275 28 28.1 -2.3 44 96 15850 290 34 31.9 -11.6 | 275 28 28.1 -2.3 45 79 17069 300 32 27.7 -16.0 | 286 25 23.9 -6.7 46 70 17870 285 33 31.9 -8.5 | 268 28 28.1 0.7 47 65 18288 280 39 38.4 -6.8 | 266 35 34.6 2.5 48 62 18593 295 43 39.0 -18.2 | 284 36 35.1 -8.9 49 50 19970 285 38 36.7 -9.8 | 271 33 32.9 -0.6 50 40 21336 290 42 39.5 -14.4 | 278 36 35.6 -5.1 51 31 22860 295 52 47.1 -22.0 | 286 45 43.3 -12.7 52 30 23060 295 53 48.0 -22.4 | 287 46 44.2 -13.1 53 29 23165 290 47 44.2 -16.1 | 280 41 40.3 -6.8 54 20 25298 285 77 74.4 -19.9 | 279 71 70.6 -10.6 55 20 25430 285 72 69.5 -18.6 | 278 66 65.7 -9.4 56 19 25603 285 70 67.6 -18.1 | 278 64 63.8 -8.8 57 14 27432 285 77 74.4 -19.9 | 279 71 70.6 -10.6 58 10 29400 285 98 94.7 -25.4 | 280 92 90.8 -16.1 59 7 29870 285 98 94.7 -25.4 | 280 92 90.8 -16.1 Wind Parameters Mean winds (0-6000m): 307.6 at 13.4 knts Storm direction: 337.6 at 10.0 knts Shear (0-3000m) pos: 3.0 neg: 1.1 tot: 4.1 10-3/s Storm rel Dir Shear (0-3000m): 142.5 deg Storm rel helicity (0-3000m) pos: 25.8 neg: -19.4 tot: 6.4 m^2/s^2 ave: 2.1 10^-3 m/s^2 rel: -0.06 Storm rel vorticity (0-3000m) horiz: 8.1 stream: -0.5 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 12.84 Bulk Shear: 2.79 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 ------------------------------------------------------------------------------- 500 328 13 296 3| 0.0 6.8 6.8| 1.6 -5.4 -3.7 -7.5 -0.43| 10.5 -4.5 1000 319 14 286 6| 4.0 3.4 7.4| 18.3 -5.4 12.9 12.9 0.17| 9.4 1.6 1500 321 16 297 7| 3.5 2.3 5.8| 25.5 -5.4 20.1 13.4 0.27| 7.7 2.0 2000 323 16 299 6| 2.0 1.7 3.7| 25.5 -6.9 18.6 9.3 0.07| 9.0 0.6 2500 325 14 297 5| 2.4 1.4 3.8| 25.8 -8.7 17.0 6.8 0.04| 8.4 0.3 3000 332 13 313 3| 3.0 1.1 4.1| 25.8 -19.4 6.4 2.1 -0.06| 8.1 -0.5 4000 333 11 304 2| 2.2 2.5 4.8| 31.4 -21.5 9.9 2.5 0.04| 8.3 0.3 5000 324 11 266 3| 1.8 3.0 4.8| 49.0 -24.0 25.0 5.0 0.13| 8.0 1.0 6000 308 13 261 7| 1.5 3.4 4.9| 71.9 -43.0 28.8 4.8 0.12| 7.9 0.9 Wrote GIF file: /home/apache/climate/data/raob//CYBK/skewt/CYBK.skewt.20260107.12.gif