UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120612.upa.cvt Date: 1200Z 6 DEC 25 Searching for CYBK... Searching the city database file for: CYBK ... Date:1200Z 6 DEC 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 38 335 14 SFC 998 51 -19.3 -21.5 83 2.2 -19.6 335 14 254.0 254.1 253.7 255.8 0.69 2 933 551 -22.1 -22.4 97 0.3 -22.1 3 15 256.1 256.2 255.4 257.9 0.68 3 925 615 -17.7 -21.2 74 3.5 -18.3 10 15 261.2 261.3 259.7 263.3 0.76 4 922 639 -17.3 -21.9 67 4.6 -18.0 9 15 261.9 262.0 260.1 263.9 0.72 5 911 729 -17.3 -23.3 60 6.0 -18.2 4 16 262.8 262.9 260.7 264.6 0.64 6 886 937 -19.1 -23.7 67 4.6 -19.8 354 17 263.0 263.1 260.8 264.8 0.64 7 877 1013 -18.5 -28.5 41 10.0 -19.8 352 16 264.4 264.5 261.5 265.6 0.42 8 865 1115 -19.3 -26.3 54 7.0 -20.3 348 16 264.6 264.7 261.8 266.1 0.52 9 861 1150 -19.5 -22.9 74 3.4 -20.0 347 15 264.7 264.9 262.3 266.7 0.70 10 850 1245 -20.3 -23.9 73 3.6 -20.8 345 14 264.9 265.0 262.3 266.7 0.65 11 811 1591 -23.3 -27.1 71 3.8 -23.8 351 18 265.3 265.4 262.3 266.7 0.51 12 805 1645 -23.5 -30.5 53 7.0 -24.2 352 19 265.6 265.7 262.3 266.7 0.37 13 801 1682 -23.7 -26.3 79 2.6 -24.0 352 19 265.8 265.9 262.7 267.4 0.56 14 796 1727 -23.9 -27.6 71 3.7 -24.4 353 20 266.1 266.1 262.9 267.5 0.50 15 700 2656 -29.1 -31.6 79 2.5 -29.3 5 26 270.3 270.3 265.6 271.4 0.39 16 656 3118 -31.7 -34.7 75 3.0 -31.9 15 33 272.4 272.4 266.9 273.3 0.31 17 500 4980 -46.7 -51.0 61 4.3 -46.8 15 51 276.1 276.1 268.9 276.3 0.07 18 446 5725 -53.3 -58.0 56 4.7 -53.4 24 59 277.0 277.0 269.4 277.1 0.03 19 430 5959 -54.5 -57.7 68 3.2 -54.5 22 51 278.3 278.3 270.2 278.5 0.04 20 415 6185 -55.5 -59.9 58 4.4 -55.6 16 44 279.9 279.9 271.1 280.0 0.03 21 408 6294 -54.9 -60.9 47 6.0 -55.0 11 46 282.0 282.0 272.4 282.1 0.03 22 400 6420 -55.3 -61.3 47 6.0 -55.4 5 48 283.1 283.1 273.0 283.2 0.02 23 353 7213 -56.3 -65.3 31 9.0 -56.4 0 28 292.1 292.1 277.7 292.1 0.02 24 331 7618 -58.5 -65.5 40 7.0 -58.6 350 37 294.5 294.5 278.9 294.5 0.02 25 314 7951 -56.3 -69.3 18 13.0 -56.4 1 30 302.0 302.0 282.2 302.1 0.01 26 308 8073 -56.7 -69.7 18 13.0 -56.8 5 28 303.1 303.1 282.7 303.2 0.01 27 300 8240 -54.5 -71.5 11 17.0 -54.7 10 26 308.5 308.5 284.8 308.6 0.01 28 290 8459 -53.3 -73.3 7 20.0 -53.5 359 22 313.2 313.2 286.5 313.3 0.01 29 278 8732 -54.9 -75.9 6 21.0 -55.1 355 19 314.7 314.7 287.0 314.8 0.00 30 261 9140 -52.7 -78.7 3 26.0 -53.0 355 16 323.7 323.7 289.9 323.7 0.00 31 250 9420 -52.5 -79.5 2 27.0 -52.8 5 17 328.0 328.0 291.2 328.0 0.00 32 209 10583 -49.5 -81.5 1 32.0 -50.0 347 14 350.0 350.0 296.6 350.0 0.00 33 200 10870 -50.1 -82.1 1 32.0 -50.6 330 15 353.4 353.4 297.4 353.4 0.00 34 181 11521 -51.1 -83.1 1 32.0 -51.6 2 15 362.0 362.0 299.1 362.0 0.00 35 158 12410 -48.9 -82.9 1 34.0 -49.6 340 12 380.1 380.1 302.3 380.1 0.00 36 154 12578 -50.3 -83.3 1 33.0 -50.9 335 12 380.5 380.5 302.3 380.5 0.00 37 150 12750 -49.9 -83.9 1 34.0 -50.5 330 11 384.1 384.1 302.9 384.1 0.00 38 131 13633 -50.9 -83.9 1 33.0 -51.5 325 12 397.5 397.5 304.9 397.5 0.00 39 119 14258 -50.7 -84.7 1 34.0 -51.4 323 15 408.9 408.9 306.4 408.9 0.00 40 115 14482 -47.7 -83.7 1 36.0 -48.7 330 15 418.5 418.5 307.6 418.5 0.00 41 100 15400 -50.1 -85.1 1 35.0 -51.0 310 17 430.9 430.9 308.9 430.9 0.00 42 99 15466 -50.3 -85.3 1 35.0 -51.2 310 17 431.8 431.8 309.0 431.8 0.00 43 70 17740 -48.9 -84.9 1 36.0 -50.3 310 19 479.8 479.8 313.4 479.8 0.00 44 50 19970 -44.7 -84.7 0 40.0 -47.5 270 15 538.1 538.1 317.4 538.2 0.01 45 48 20242 -46.3 -85.3 0 39.0 -48.8 302 20 540.6 540.6 317.6 540.7 0.01 46 38 21813 -40.7 -81.7 0 41.0 -45.3 304 27 592.3 592.3 320.3 592.3 0.01 47 30 23400 -46.9 -85.9 0 39.0 -50.3 290 27 616.8 616.8 321.3 616.8 0.01 48 29 23623 -47.5 -86.5 0 39.0 -50.8 285 29 621.1 621.1 321.5 621.2 0.01 49 27 24095 -45.5 -84.5 0 39.0 -49.6 286 22 639.6 639.6 322.3 639.7 0.01 50 20 26080 -47.5 -86.5 0 39.0 -51.8 325 26 690.8 690.8 324.1 690.9 0.01 51 18 26773 -49.7 -86.7 1 37.0 -53.5 295 22 705.0 705.0 324.6 705.1 0.01 52 16 27551 -45.1 -85.1 0 40.0 -51.0 319 38 744.1 744.1 325.8 744.3 0.02 53 10 30660 -49.5 -86.5 1 37.0 -55.2 345 28 834.8 834.8 328.1 835.0 0.02 54 8.8 31492 -52.3 -88.3 1 36.0 -57.3 855.0 855.0 328.5 855.2 0.02 55 6.4 33573 -47.9 -86.9 0 39.0 -56.1 955.2 955.2 330.4 955.5 0.03 56 5.5 34566 -51.1 -88.1 0 37.0 -58.3 983.3 983.4 330.9 983.6 0.03 57 5.1 35060 -48.5 -86.5 0 38.0 -57.3 1016.6 1016.6 331.4 1017.0 0.04 58 4.4 36024 -51.9 -87.9 1 36.0 -59.5 1044.4 1044.4 331.8 1044.8 0.04 59 4.1 36483 -49.9 -87.9 0 38.0 -58.9 1075.3 1075.3 332.3 1075.8 0.04 60 4.0 36644 -51.0 -88.2 0 37.2 -59.5 305 68 1077.8 1077.8 332.3 1078.2 0.04 61 3.6 37323 -55.5 -89.5 1 34.0 -62.1 1088.1 1088.1 332.5 1088.5 0.04 62 3.4 37689 -53.5 -88.5 1 35.0 -61.3 1116.2 1116.2 332.8 1116.7 0.05 TRP 331 7618 -58.5 -65.5 40 7.0 -58.6 350 37 294.5 294.5 278.9 294.5 0.02 WND 4.0 36644 -51.0 -88.2 0 37.2 -59.5 305 68 1077.8 1077.8 332.3 1078.2 0.04 Sounding variables and indices 1000-500 mb thick: 4942.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.09 inches Sfc-500 mean rel hum: 72.01 % Est. max temperature: -8.40 C = 16.88 F Sfc-Lift cond lev (LCL): 962.58 mb = 319.21 m = 1047.26 ft T: -20.80 C 700-500 lapse rate: 7.57 C/km ThetaE index: 0.02 C Layer 805.0- 801.0 mb Conv cond level (CCL): 789.25 mb = 1788.89 m = 5868.97 ft Mean mixing ratio: 0.68 g/kg Conv temperature: -6.96 C = 19.47 F Cap Strength: 11.93 C Lifted Index: 13.87 C Risk: None Lifted Index @300 mb: 34.89 C Lifted Index @700 mb: 10.37 C Showalter Index: 7.83 C Risk: None Total Totals Index: 49.20 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 26.40 C Cross Totals Index: 22.80 C K Index: 0.00 Risk: None Sweat Index: 83.00 Risk: None Energy Index: 2.03 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 45.93 J/kg Max Up Vert Vel: 9.58 m/s Conv Inhibition (B-): 89019.06 J/kg Cap Strength: 13.74 C Lift Cond Lev (LCL): 909.03 mb = 745.33 m = 2445.28 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 40 at 26 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 ---------------------------------------------------------- 0 998 51 335 14 5.9 -12.7 | 252 24 22.5 7.4 1 964 305 355 21 1.8 -20.9 | 273 18 18.4 -0.9 2 926 610 5 14 -1.2 -13.9 | 248 17 15.4 6.1 3 925 615 10 15 -2.6 -14.8 | 249 15 14.0 5.3 4 889 914 355 17 1.5 -16.9 | 260 18 18.1 3.1 5 853 1219 345 15 3.9 -14.5 | 255 21 20.5 5.6 6 850 1245 345 14 3.6 -13.5 | 252 21 20.2 6.5 7 784 1829 355 21 1.8 -20.9 | 273 18 18.4 -0.9 8 752 2134 360 22 -0.0 -22.0 | 277 17 16.6 -2.0 9 721 2438 360 21 -0.0 -21.0 | 273 17 16.6 -1.0 10 700 2656 5 26 -2.3 -25.9 | 292 15 14.3 -5.9 11 691 2743 360 28 -0.0 -28.0 | 296 18 16.6 -8.0 12 661 3048 15 32 -8.3 -30.9 | 323 14 8.3 -10.9 13 606 3658 10 40 -6.9 -39.4 | 333 22 9.7 -19.3 14 554 4267 5 51 -4.4 -50.8 | 338 33 12.2 -30.8 15 508 4877 10 50 -8.7 -49.2 | 345 30 7.9 -29.2 16 500 4980 15 51 -13.2 -49.3 | 353 29 3.4 -29.2 17 441 5791 25 60 -25.4 -54.4 | 14 35 -8.7 -34.3 18 421 6096 20 43 -14.7 -40.4 | 355 20 1.9 -20.4 19 400 6420 5 48 -4.2 -47.8 | 336 30 12.4 -27.8 20 382 6706 5 49 -4.3 -48.8 | 337 31 12.3 -28.8 21 364 7010 10 39 -6.8 -38.4 | 332 21 9.8 -18.4 22 347 7315 355 23 2.0 -22.9 | 279 19 18.6 -2.9 23 331 7618 350 37 6.4 -36.4 | 305 28 23.0 -16.4 24 331 7620 350 35 6.1 -34.5 | 302 27 22.7 -14.4 25 300 8230 10 26 -4.5 -25.6 | 295 13 12.1 -5.6 26 300 8240 10 26 -4.5 -25.6 | 295 13 12.1 -5.6 27 287 8534 355 21 1.8 -20.9 | 273 18 18.4 -0.9 28 261 9144 355 16 1.4 -15.9 | 257 18 18.0 4.1 29 250 9420 5 17 -1.5 -16.9 | 258 15 15.1 3.1 30 249 9449 10 18 -3.1 -17.7 | 260 14 13.5 2.3 31 237 9754 5 21 -1.8 -20.9 | 273 15 14.8 -0.9 32 227 10058 350 14 2.4 -13.8 | 252 20 19.0 6.3 33 216 10363 5 18 -1.6 -17.9 | 262 15 15.0 2.1 34 206 10668 340 13 4.4 -12.2 | 250 22 21.1 7.8 35 200 10870 330 15 7.5 -13.0 | 254 25 24.1 7.1 36 197 10973 330 15 7.5 -13.0 | 254 25 24.1 7.1 37 179 11582 5 15 -1.3 -14.9 | 252 16 15.3 5.1 38 150 12750 330 11 5.5 -9.5 | 245 24 22.1 10.5 39 149 12802 330 10 5.0 -8.7 | 242 24 21.6 11.4 40 142 13106 340 13 4.4 -12.2 | 250 22 21.1 7.8 41 136 13411 325 12 6.9 -9.8 | 246 26 23.5 10.2 42 129 13716 325 12 6.9 -9.8 | 246 26 23.5 10.2 43 123 14021 315 15 10.6 -10.6 | 251 29 27.2 9.4 44 112 14630 335 15 6.3 -13.6 | 254 24 23.0 6.5 45 107 14935 310 11 8.4 -7.1 | 243 28 25.0 13.0 46 102 15240 315 10 7.1 -7.1 | 241 27 23.7 13.0 47 100 15400 310 17 13.0 -10.9 | 253 31 29.6 9.1 48 98 15545 310 17 13.0 -10.9 | 253 31 29.6 9.1 49 89 16154 335 20 8.5 -18.1 | 266 25 25.1 1.9 50 85 16459 325 10 5.7 -8.2 | 242 25 22.3 11.9 51 78 17069 315 4 2.8 -2.8 | 228 26 19.4 17.2 52 74 17374 285 24 23.2 -6.2 | 251 42 39.8 13.8 53 71 17678 320 24 15.4 -18.4 | 267 32 32.0 1.7 54 70 17740 310 19 14.6 -12.2 | 256 32 31.2 7.8 55 64 18288 315 13 9.2 -9.2 | 247 28 25.8 10.9 56 62 18593 295 16 14.5 -6.8 | 247 34 31.1 13.3 57 59 18898 290 18 16.9 -6.2 | 247 36 33.5 13.9 58 56 19202 295 21 19.0 -8.9 | 253 37 35.6 11.2 59 54 19507 285 24 23.2 -6.2 | 251 42 39.8 13.8 60 51 19812 295 27 24.5 -11.4 | 258 42 41.1 8.6 61 50 19970 270 15 15.0 -0.0 | 238 37 31.6 20.0 62 49 20117 300 20 17.3 -10.0 | 254 35 33.9 10.0 63 45 20726 310 20 15.3 -12.9 | 257 33 31.9 7.2 64 41 21336 300 34 29.4 -17.0 | 266 46 46.1 3.0 65 37 21946 305 25 20.5 -14.3 | 261 38 37.1 5.7 66 36 22250 280 24 23.6 -4.2 | 248 43 40.2 15.9 67 34 22555 280 21 20.7 -3.6 | 246 41 37.3 16.4 68 33 22860 285 29 28.0 -7.5 | 254 46 44.6 12.5 69 31 23165 275 29 28.9 -2.5 | 249 49 45.5 17.5 70 30 23400 290 27 25.4 -9.2 | 256 43 42.0 10.8 71 30 23470 285 31 29.9 -8.0 | 256 48 46.6 12.0 72 27 24079 285 22 21.3 -5.7 | 249 40 37.9 14.4 73 25 24689 310 25 19.2 -16.1 | 264 36 35.8 4.0 74 24 24994 295 23 20.8 -9.7 | 255 39 37.5 10.3 75 23 25298 290 26 24.4 -8.9 | 255 43 41.0 11.2 76 21 25908 305 32 26.2 -18.4 | 268 43 42.8 1.7 77 20 26080 325 26 14.9 -21.3 | 272 32 31.5 -1.2 78 19 26518 325 26 14.9 -21.3 | 272 32 31.5 -1.2 79 18 26822 290 21 19.7 -7.2 | 251 39 36.3 12.9 80 16 27432 320 40 25.7 -30.6 | 284 44 42.3 -10.6 81 14 28651 315 21 14.8 -14.8 | 261 32 31.5 5.2 82 12 29261 320 31 19.9 -23.7 | 276 37 36.5 -3.7 83 12 29566 330 37 18.5 -32.0 | 289 37 35.1 -12.0 84 11 29870 345 30 7.8 -29.0 | 290 26 24.4 -8.9 85 10 30660 345 28 7.2 -27.0 | 286 25 23.9 -7.0 Wind Parameters Mean winds (0-6000m): 9.6 at 34.7 knts Storm direction: 39.6 at 26.0 knts Shear (0-3000m) pos: 4.2 neg: 0.7 tot: 4.9 10-3/s Storm rel Dir Shear (0-3000m): 70.7 deg Storm rel helicity (0-3000m) pos: 147.3 neg: -40.9 tot: 106.3 m^2/s^2 ave: 35.4 10^-3 m/s^2 rel: 0.43 Storm rel vorticity (0-3000m) horiz: 8.7 stream: 3.8 10^-3/s Energy-Hel index: 0.03 Bulk Rich Number: 1.03 Bulk Shear: 44.78 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 ------------------------------------------------------------------------------- 500 353 18 263 19| 7.4 0.0 7.4| 37.5 -21.5 16.0 31.9 0.13| 14.6 1.9 1000 356 17 260 18| 3.7 1.8 5.5| 48.2 -27.2 21.0 21.0 0.14| 10.9 1.6 1500 353 16 259 19| 2.5 1.5 4.0| 67.7 -38.1 29.6 19.7 0.17| 9.5 1.6 2000 354 17 262 19| 3.0 1.1 4.1| 89.3 -38.1 51.3 25.6 0.27| 8.4 2.3 2500 355 18 264 18| 2.9 0.9 3.8|100.8 -40.9 59.9 24.0 0.30| 7.5 2.3 3000 358 20 270 17| 4.2 0.7 4.9|147.3 -40.9 106.3 35.4 0.43| 8.7 3.8 4000 3 25 288 16| 3.1 2.5 5.6|173.0 -40.9 132.1 33.0 0.40| 8.6 3.5 5000 5 30 306 17| 3.4 2.0 5.3|249.6 -40.9 208.7 41.7 0.45| 8.3 3.8 6000 10 35 323 18| 3.5 1.2 4.7|336.7 -93.6 243.1 40.5 0.37| 9.1 3.4 Wrote GIF file: /home/apache/climate/data/raob//CYBK/skewt/CYBK.skewt.20251206.12.gif