UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120212.upa.cvt Date: 1200Z 2 DEC 25 Searching for CYBK... Searching the city database file for: CYBK ... Date:1200Z 2 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 ------------------------------------------------------------------------------- SFC 1000 51 -30.9 -34.2 73 3.3 -31.1 330 17 242.2 242.3 242.1 242.8 0.21 1 973 247 -27.7 -30.5 77 2.8 -27.9 349 23 247.4 247.4 247.0 248.2 0.31 2 934 543 -25.5 -27.9 80 2.4 -25.7 343 25 252.5 252.6 251.8 253.7 0.41 3 925 613 -25.7 -28.5 77 2.8 -25.9 340 25 253.0 253.1 252.2 254.1 0.39 4 918 668 -25.9 -28.3 80 2.4 -26.1 341 25 253.4 253.4 252.5 254.5 0.40 5 889 900 -27.3 -28.0 94 0.7 -27.3 345 23 254.3 254.3 253.3 255.4 0.43 6 876 1006 -27.7 -30.6 76 2.9 -27.9 345 24 254.9 255.0 253.7 255.9 0.34 7 869 1063 -27.9 -29.7 85 1.8 -28.0 345 25 255.3 255.4 254.1 256.3 0.37 8 850 1222 -28.7 -31.0 81 2.3 -28.9 350 28 256.1 256.1 254.7 257.0 0.34 9 839 1315 -29.1 -33.3 67 4.2 -29.4 350 30 256.6 256.7 254.9 257.4 0.27 10 798 1672 -30.5 -31.9 87 1.4 -30.6 350 37 258.8 258.9 256.9 259.8 0.33 11 770 1925 -32.1 -34.0 83 1.9 -32.2 350 37 259.8 259.8 257.5 260.6 0.28 12 758 2036 -32.3 -33.7 87 1.4 -32.4 350 34 260.7 260.8 258.3 261.6 0.29 13 752 2092 -32.3 -37.1 62 4.8 -32.6 350 32 261.3 261.3 258.6 261.9 0.21 14 742 2187 -32.3 -38.3 55 6.0 -32.7 351 30 262.3 262.3 259.3 262.9 0.19 15 737 2234 -32.1 -38.1 55 6.0 -32.5 352 29 263.0 263.1 259.9 263.6 0.19 16 700 2597 -33.5 -36.3 76 2.8 -33.7 345 23 265.4 265.4 261.8 266.1 0.24 17 677 2831 -34.9 -36.6 84 1.7 -35.0 340 25 266.4 266.4 262.6 267.1 0.25 18 664 2966 -35.3 -37.9 77 2.6 -35.4 340 24 267.4 267.4 263.3 268.1 0.22 19 658 3029 -35.3 -41.3 54 6.0 -35.6 340 24 268.1 268.1 263.6 268.6 0.16 20 642 3200 -36.1 -43.1 48 7.0 -36.4 340 24 269.1 269.1 264.3 269.5 0.13 21 640 3222 -36.1 -42.1 54 6.0 -36.4 340 23 269.3 269.3 264.5 269.8 0.15 22 638 3243 -36.1 -40.6 63 4.5 -36.3 340 23 269.6 269.6 264.7 270.1 0.17 23 623 3408 -37.3 -44.3 48 7.0 -37.6 340 23 270.0 270.0 264.9 270.4 0.12 24 594 3735 -39.5 -44.1 62 4.6 -39.7 339 22 271.2 271.2 265.7 271.6 0.13 25 549 4271 -41.9 -49.9 41 8.0 -42.2 345 28 274.5 274.5 267.8 274.8 0.07 26 524 4586 -43.9 -50.9 46 7.0 -44.1 345 26 275.8 275.8 268.7 276.0 0.07 27 510 4767 -44.1 -56.1 25 12.0 -44.4 345 26 277.7 277.7 269.8 277.8 0.04 28 500 4900 -44.1 -55.1 28 11.0 -44.4 360 25 279.3 279.3 270.8 279.4 0.04 29 400 6370 -50.1 -64.1 18 14.0 -50.3 355 30 289.9 289.9 276.6 289.9 0.02 30 367 6931 -52.5 -65.5 19 13.0 -52.7 355 28 293.9 293.9 278.6 294.0 0.02 31 314 7942 -51.7 -69.7 10 18.0 -52.0 350 29 308.4 308.4 284.7 308.5 0.01 32 300 8240 -49.9 -73.9 4 24.0 -50.2 350 29 315.0 315.0 287.1 315.0 0.01 33 289 8484 -49.5 -74.5 4 25.0 -49.8 350 30 319.0 319.0 288.4 319.0 0.01 34 285 8574 -50.1 -75.1 4 25.0 -50.4 350 30 319.4 319.4 288.5 319.4 0.01 35 280 8690 -47.7 -76.7 2 29.0 -48.1 350 31 324.5 324.5 290.1 324.5 0.00 36 271 8906 -46.5 -78.5 1 32.0 -47.0 350 32 329.3 329.3 291.5 329.3 0.00 37 255 9309 -45.9 -79.9 1 34.0 -46.5 344 30 335.9 335.9 293.3 335.9 0.00 38 250 9440 -46.3 -80.3 1 34.0 -46.9 340 28 337.2 337.2 293.6 337.2 0.00 39 232 9938 -47.3 -80.3 1 33.0 -47.9 349 32 343.0 343.0 295.0 343.0 0.00 40 222 10232 -45.5 -80.5 1 35.0 -46.2 345 33 350.1 350.1 296.7 350.1 0.00 41 215 10447 -46.7 -81.7 1 35.0 -47.4 343 33 351.5 351.5 297.0 351.5 0.00 42 200 10930 -45.3 -81.3 1 36.0 -46.1 345 36 361.0 361.0 298.9 361.1 0.00 43 199 10963 -44.9 -81.9 1 37.0 -45.7 345 36 362.2 362.2 299.1 362.2 0.00 44 172 11935 -45.5 -82.5 1 37.0 -46.4 344 33 376.6 376.6 301.7 376.6 0.00 45 163 12294 -43.9 -81.9 1 38.0 -45.0 338 34 385.1 385.1 303.1 385.2 0.00 46 150 12850 -44.5 -82.5 1 38.0 -45.6 345 33 393.4 393.4 304.3 393.4 0.00 47 144 13123 -44.7 -82.7 1 38.0 -45.9 349 29 397.6 397.6 304.9 397.7 0.00 48 135 13555 -43.3 -82.3 1 39.0 -44.7 340 43 407.5 407.5 306.2 407.6 0.00 49 120 14345 -44.1 -83.1 1 39.0 -45.5 353 38 420.0 420.0 307.7 420.0 0.00 50 109 14994 -40.9 -81.9 0 41.0 -43.0 354 40 437.8 437.8 309.7 437.8 0.00 51 102 15445 -40.3 -81.3 0 41.0 -42.6 350 35 447.3 447.3 310.6 447.3 0.01 52 100 15580 -40.7 -81.7 0 41.0 -43.0 350 31 449.1 449.1 310.8 449.1 0.01 53 95 15929 -39.7 -80.7 0 41.0 -42.3 345 28 457.7 457.7 311.5 457.7 0.01 54 70 18000 -42.3 -83.3 0 41.0 -44.9 345 28 493.9 493.9 314.5 493.9 0.01 55 67 18296 -42.1 -83.1 0 41.0 -44.9 340 27 500.6 500.6 315.0 500.6 0.01 56 53 19857 -49.3 -86.3 1 37.0 -51.1 360 19 518.6 518.6 316.2 518.6 0.00 57 50 20240 -48.1 -86.1 0 38.0 -50.1 360 35 530.1 530.1 316.9 530.1 0.00 58 42 21395 -45.1 -85.1 0 40.0 -48.2 350 24 564.7 564.7 318.9 564.7 0.01 59 30 23620 -49.3 -87.3 0 38.0 -52.1 360 42 610.2 610.2 321.0 610.3 0.01 60 21 25951 -51.3 -88.3 0 37.0 -54.3 356 44 669.7 669.7 323.4 669.8 0.01 61 20 26270 -48.5 -86.5 0 38.0 -52.5 360 47 687.7 687.7 324.0 687.8 0.01 62 18 26970 -46.5 -85.5 0 39.0 -51.4 3 52 715.1 715.1 324.9 715.2 0.01 63 16 27753 -47.9 -86.9 0 39.0 -52.7 2 53 735.0 735.0 325.5 735.1 0.01 64 12 29667 -45.7 -84.7 0 39.0 -52.4 3 68 805.8 805.8 327.4 806.0 0.03 65 11 30254 -41.3 -82.3 0 41.0 -50.5 5 77 842.1 842.1 328.2 842.5 0.04 66 10 30900 -43.7 -83.7 0 40.0 -52.1 5 86 856.4 856.4 328.5 856.8 0.04 67 9.3 31385 -46.3 -85.3 0 39.0 -53.7 864.5 864.5 328.7 864.7 0.03 68 8.4 32064 -44.3 -84.3 0 40.0 -53.1 897.9 897.9 329.4 898.2 0.04 69 8.0 32391 -44.9 -84.6 0 39.7 -53.6 360 104 908.2 908.2 329.6 908.5 0.04 70 5.8 34523 -48.7 -86.7 0 38.0 -56.8 979.0 979.0 330.8 979.4 0.04 71 5.2 35247 -45.1 -85.1 0 40.0 -55.6 1026.2 1026.3 331.6 1026.9 0.05 72 4.0 36983 -49.3 -87.3 0 38.0 -58.7 1085.8 1085.9 332.4 1086.4 0.05 TRP 367 6931 -52.5 -65.5 19 13.0 -52.7 355 28 293.9 293.9 278.6 294.0 0.02 WND 8.0 32391 -44.9 -84.6 0 39.7 -53.6 360 104 908.2 908.2 329.6 908.5 0.04 Sounding variables and indices 1000-500 mb thick: 4849.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.05 inches Sfc-500 mean rel hum: 65.56 % Est. max temperature: -17.07 C = 1.27 F Sfc-Lift cond lev (LCL): 945.48 mb = 454.36 m = 1490.66 ft T: -26.16 C 700-500 lapse rate: 4.60 C/km ThetaE index: 0.00 C Layer 1000.0--97609095688668617833845882880.0 mb Conv cond level (CCL): 780.28 mb = 1831.36 m = 6008.33 ft Mean mixing ratio: 0.35 g/kg Conv temperature: -13.74 C = 7.27 F Cap Strength: 22.24 C Lifted Index: 23.38 C Risk: None Lifted Index @300 mb: 45.53 C Lifted Index @700 mb: 13.41 C Showalter Index: 18.28 C Risk: None Total Totals Index: 28.50 C Risk: None Vertical Totals Index: 15.40 C Cross Totals Index: 13.10 C K Index: -18.40 Risk: None Sweat Index: 81.00 Risk: None Energy Index: 4.71 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 39.22 J/kg Max Up Vert Vel: 8.86 m/s Conv Inhibition (B-): 88513.67 J/kg Cap Strength: 23.20 C Lift Cond Lev (LCL): 911.71 mb = 717.70 m = 2354.63 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 17 at 20 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 1000 51 330 17 8.5 -14.7 | 254 15 14.2 4.2 1 1000 52 330 15 7.5 -13.0 | 246 14 13.2 5.9 2 965 305 355 25 2.2 -24.9 | 307 10 7.8 -6.0 3 925 610 340 25 8.6 -23.5 | 288 15 14.2 -4.6 4 925 613 340 25 8.6 -23.5 | 288 15 14.2 -4.6 5 887 914 345 23 6.0 -22.2 | 286 12 11.6 -3.3 6 850 1219 345 27 7.0 -26.1 | 300 15 12.7 -7.2 7 850 1222 350 28 4.9 -27.6 | 309 14 10.5 -8.7 8 780 1829 350 40 6.9 -39.4 | 328 24 12.6 -20.5 9 747 2134 350 31 5.4 -30.5 | 316 16 11.1 -11.6 10 716 2438 355 26 2.3 -25.9 | 311 11 7.9 -7.0 11 700 2597 345 23 6.0 -22.2 | 286 12 11.6 -3.3 12 685 2743 340 25 8.6 -23.5 | 288 15 14.2 -4.6 13 600 3658 340 22 7.5 -20.7 | 278 13 13.2 -1.8 14 573 3962 335 24 10.1 -21.8 | 280 16 15.8 -2.8 15 548 4267 345 28 7.2 -27.0 | 302 15 12.9 -8.1 16 502 4877 345 25 6.5 -24.1 | 293 13 12.1 -5.2 17 500 4900 360 25 -0.0 -25.0 | 317 8 5.7 -6.1 18 479 5182 345 24 6.2 -23.2 | 290 13 11.9 -4.3 19 417 6096 360 28 -0.0 -28.0 | 328 11 5.7 -9.1 20 400 6370 355 30 2.6 -29.9 | 323 14 8.3 -11.0 21 380 6706 360 30 -0.0 -30.0 | 333 12 5.7 -11.1 22 367 6931 355 28 2.4 -27.9 | 318 12 8.1 -9.0 23 330 7620 345 27 7.0 -26.1 | 300 15 12.7 -7.2 24 300 8230 355 31 2.7 -30.9 | 325 15 8.4 -12.0 25 300 8240 350 29 5.0 -28.6 | 312 14 10.7 -9.6 26 261 9144 350 33 5.7 -32.5 | 320 18 11.4 -13.6 27 250 9440 340 28 9.6 -26.3 | 296 17 15.2 -7.4 28 250 9449 355 32 2.8 -31.9 | 327 15 8.5 -13.0 29 208 10668 340 33 11.3 -31.0 | 306 21 17.0 -12.1 30 200 10930 345 36 9.3 -34.8 | 317 22 15.0 -15.9 31 181 11582 350 31 5.4 -30.5 | 316 16 11.1 -11.6 32 158 12497 335 35 14.8 -31.7 | 302 24 20.5 -12.8 33 150 12850 345 33 8.5 -31.9 | 312 19 14.2 -13.0 34 144 13106 350 28 4.9 -27.6 | 309 14 10.5 -8.7 35 138 13411 335 38 16.1 -34.4 | 306 27 21.7 -15.5 36 132 13716 345 48 12.4 -46.4 | 327 33 18.1 -27.5 37 120 14326 355 38 3.3 -37.9 | 335 21 9.0 -18.9 38 115 14630 335 38 16.1 -34.4 | 306 27 21.7 -15.5 39 110 14935 355 40 3.5 -39.8 | 336 23 9.2 -20.9 40 105 15240 350 41 7.1 -40.4 | 329 25 12.8 -21.5 41 100 15580 350 31 5.4 -30.5 | 316 16 11.1 -11.6 42 96 15850 350 31 5.4 -30.5 | 316 16 11.1 -11.6 43 92 16154 330 21 10.5 -18.2 | 267 16 16.2 0.7 44 88 16459 350 32 5.6 -31.5 | 318 17 11.2 -12.6 45 77 17374 350 41 7.1 -40.4 | 329 25 12.8 -21.5 46 70 18000 345 28 7.2 -27.0 | 302 15 12.9 -8.1 47 67 18288 340 27 9.2 -25.4 | 293 16 14.9 -6.5 48 56 19507 350 35 6.1 -34.5 | 323 19 11.7 -15.6 49 53 19812 360 17 -0.0 -17.0 | 251 6 5.7 1.9 50 50 20240 360 35 -0.0 -35.0 | 341 17 5.7 -16.1 51 46 20726 360 37 -0.0 -37.0 | 343 19 5.7 -18.1 52 44 21031 5 32 -2.8 -31.9 | 347 13 2.9 -13.0 53 42 21336 355 23 2.0 -22.9 | 298 9 7.7 -4.0 54 40 21641 330 30 15.0 -26.0 | 289 22 20.7 -7.1 55 34 22860 330 39 19.5 -33.8 | 301 29 25.2 -14.9 56 30 23620 360 42 -0.0 -42.0 | 346 24 5.7 -23.1 57 28 24079 360 42 -0.0 -42.0 | 346 24 5.7 -23.1 58 20 26213 355 44 3.8 -43.8 | 339 27 9.5 -24.9 59 20 26270 360 47 -0.0 -47.0 | 349 29 5.7 -28.1 60 17 27432 5 55 -4.8 -54.8 | 359 36 0.9 -35.9 61 14 28651 355 49 4.3 -48.8 | 342 32 9.9 -29.9 62 12 29870 5 72 -6.3 -71.7 | 1 53 -0.6 -52.8 63 10 30900 5 86 -7.5 -85.7 | 2 67 -1.8 -66.8 Wind Parameters Mean winds (0-6000m): 346.7 at 26.3 knts Storm direction: 16.7 at 19.7 knts Shear (0-3000m) pos: 3.3 neg: 2.0 tot: 5.3 10-3/s Storm rel Dir Shear (0-3000m): 31.1 deg Storm rel helicity (0-3000m) pos: 77.4 neg: -53.7 tot: 23.7 m^2/s^2 ave: 7.9 10^-3 m/s^2 rel: 0.12 Storm rel vorticity (0-3000m) horiz: 10.0 stream: 1.2 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 26.32 Bulk Shear: 1.49 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 ------------------------------------------------------------------------------- 500 347 23 288 11| 9.5 0.0 9.5| 30.6 -8.8 21.8 43.7 0.47| 16.3 7.6 1000 345 24 288 12| 4.9 0.0 4.9| 35.1 -12.8 22.3 22.3 0.38| 10.5 4.0 1500 346 25 297 13| 6.7 0.0 6.7| 65.2 -12.8 52.5 35.0 0.49| 10.7 5.3 2000 348 28 307 15| 5.0 0.3 5.3| 76.6 -26.6 49.9 25.0 0.35| 10.8 3.8 2500 348 28 308 14| 4.0 2.2 6.2| 76.6 -46.7 29.9 12.0 0.17| 11.0 1.8 3000 347 28 305 14| 3.3 2.0 5.3| 77.4 -53.7 23.7 7.9 0.12| 10.0 1.2 4000 345 27 299 14| 2.5 1.4 3.9| 86.8 -59.8 27.0 6.8 0.12| 8.3 1.0 5000 346 26 299 14| 2.3 1.2 3.4|112.6 -71.1 41.4 8.3 0.14| 8.1 1.2 6000 347 26 300 14| 2.2 0.9 3.1|132.8 -76.0 56.8 9.5 0.19| 7.6 1.4 Wrote GIF file: /home/apache/climate/data/raob//CYBK/skewt/CYBK.skewt.20251202.12.gif