UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120412.upa.cvt Date: 1200Z 4 DEC 25 Searching for CYBK... Searching the city database file for: CYBK ... Date:1200Z 4 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 25 310 12 SFC 996 51 -26.1 -28.9 77 2.8 -26.3 310 12 247.3 247.4 247.1 248.3 0.35 2 949 402 -26.9 -29.9 76 3.0 -27.2 327 14 250.0 250.0 249.4 250.9 0.34 3 925 588 -24.7 -27.1 80 2.4 -24.9 320 17 254.1 254.1 253.2 255.3 0.45 4 915 667 -23.5 -25.5 84 2.0 -23.7 318 17 256.1 256.2 255.1 257.5 0.52 5 912 691 -21.7 -24.0 82 2.3 -22.0 317 17 258.2 258.3 256.9 259.8 0.60 6 893 846 -21.9 -23.3 88 1.4 -22.1 312 15 259.5 259.6 258.2 261.3 0.65 7 862 1108 -19.1 -21.7 80 2.6 -19.5 317 19 265.1 265.2 262.7 267.3 0.78 8 850 1212 -20.1 -22.8 79 2.7 -20.5 320 22 265.1 265.2 262.6 267.1 0.72 9 774 1899 -25.1 -27.5 80 2.4 -25.4 309 18 266.9 267.0 263.5 268.4 0.52 10 739 2233 -27.9 -28.1 98 0.2 -27.9 307 26 267.4 267.5 263.9 268.9 0.51 11 735 2272 -28.3 -28.5 98 0.2 -28.3 307 25 267.4 267.5 263.8 268.8 0.50 12 715 2470 -29.1 -35.1 56 6.0 -29.6 309 22 268.6 268.7 264.2 269.4 0.27 13 710 2520 -29.5 -34.4 62 4.9 -29.9 308 23 268.7 268.8 264.4 269.6 0.29 14 707 2550 -29.7 -30.9 89 1.2 -29.8 307 24 268.8 268.9 264.7 270.0 0.41 15 700 2621 -30.3 -32.2 83 1.9 -30.4 305 26 268.9 269.0 264.6 270.0 0.37 16 672 2910 -31.9 -36.3 65 4.4 -32.2 305 27 270.3 270.3 265.4 271.1 0.26 17 648 3165 -33.7 -45.7 29 12.0 -34.3 305 24 271.1 271.1 265.6 271.4 0.10 18 620 3474 -35.1 -50.1 20 15.0 -35.7 307 21 272.9 272.9 266.8 273.1 0.06 19 594 3771 -36.3 -52.3 18 16.0 -36.9 312 23 274.9 274.9 268.1 275.1 0.05 20 500 4950 -41.9 -56.9 18 15.0 -42.3 340 29 282.0 282.0 272.3 282.1 0.03 21 419 6133 -47.9 -63.9 14 16.0 -48.1 335 28 288.9 288.9 276.1 288.9 0.02 22 400 6440 -47.9 -64.9 12 17.0 -48.2 335 30 292.7 292.7 278.0 292.8 0.02 23 392 6573 -48.3 -65.3 12 17.0 -48.6 334 32 293.9 293.9 278.6 294.0 0.01 24 385 6692 -47.7 -65.7 11 18.0 -48.0 333 34 296.2 296.2 279.7 296.3 0.01 25 355 7223 -51.5 -66.5 15 15.0 -51.7 345 38 298.1 298.1 280.5 298.1 0.01 26 300 8320 -49.5 -73.5 4 24.0 -49.8 330 43 315.6 315.6 287.3 315.6 0.01 27 277 8844 -47.9 -74.9 3 27.0 -48.3 333 43 325.2 325.2 290.3 325.2 0.01 28 272 8964 -48.7 -74.7 3 26.0 -49.1 334 43 325.7 325.7 290.5 325.7 0.01 29 268 9061 -47.1 -76.1 2 29.0 -47.6 335 43 329.4 329.4 291.6 329.4 0.00 30 261 9236 -47.9 -76.9 2 29.0 -48.4 335 44 330.8 330.8 291.9 330.8 0.00 31 250 9520 -47.7 -78.7 2 31.0 -48.2 335 44 335.2 335.2 293.1 335.2 0.00 32 214 10550 -45.3 -80.3 1 35.0 -46.0 333 39 354.1 354.1 297.5 354.1 0.00 33 200 11000 -46.3 -80.3 1 34.0 -47.0 330 37 359.5 359.5 298.6 359.5 0.00 34 150 12920 -46.7 -82.7 1 36.0 -47.6 325 37 389.6 389.6 303.8 389.6 0.00 35 135 13617 -47.3 -83.3 1 36.0 -48.3 325 37 400.4 400.4 305.3 400.5 0.00 36 125 14127 -45.9 -82.9 1 37.0 -47.1 328 35 411.9 411.9 306.7 411.9 0.00 37 118 14509 -47.3 -83.3 1 36.0 -48.4 327 34 416.2 416.2 307.3 416.2 0.00 38 106 15222 -44.9 -82.9 1 38.0 -46.4 325 44 433.7 433.7 309.2 433.7 0.00 39 100 15610 -46.1 -83.1 1 37.0 -47.5 330 39 438.7 438.7 309.7 438.7 0.00 40 73 17709 -44.1 -83.1 1 39.0 -46.3 332 40 484.2 484.2 313.8 484.2 0.01 41 70 17990 -45.1 -84.1 0 39.0 -47.1 315 30 487.9 487.9 314.1 487.9 0.00 42 51 20090 -48.7 -85.7 1 37.0 -50.6 331 34 525.7 525.7 316.6 525.7 0.00 43 50 20220 -48.1 -85.1 1 37.0 -50.1 320 38 530.1 530.1 316.9 530.2 0.01 44 30 23600 -46.7 -85.7 0 39.0 -50.1 340 42 617.3 617.3 321.4 617.4 0.01 45 28 24058 -46.5 -85.5 0 39.0 -50.2 344 43 630.2 630.2 321.9 630.2 0.01 46 22 25685 -39.5 -81.5 0 42.0 -46.6 5 36 696.0 696.0 324.3 696.2 0.02 47 21 26003 -40.7 -81.7 0 41.0 -47.4 5 40 701.7 701.7 324.5 701.9 0.02 48 20 26340 -34.5 -77.5 0 43.0 -44.4 330 21 730.6 730.6 325.4 731.0 0.05 49 15 28298 -45.5 -84.5 0 39.0 -51.4 325 34 756.7 756.7 326.1 756.8 0.02 50 14 28758 -44.1 -84.1 0 40.0 -50.9 335 46 776.5 776.5 326.7 776.7 0.02 51 12 29780 -48.5 -86.5 0 38.0 -54.0 352 74 795.9 795.9 327.1 796.1 0.02 52 10 30990 -43.7 -83.8 0 40.1 -52.1 5 77 856.4 856.5 328.5 856.8 0.04 53 9.2 31553 -41.5 -82.5 0 41.0 -51.4 885.5 885.5 329.1 886.0 0.05 54 8.2 32333 -41.9 -82.9 0 41.0 -52.1 913.5 913.6 329.7 914.1 0.05 55 7.2 33223 -37.1 -79.1 0 42.0 -50.7 967.8 967.9 330.7 969.1 0.11 56 6.1 34365 -39.1 -81.1 0 42.0 -52.4 1006.2 1006.3 331.3 1007.3 0.09 57 6.0 34478 -37.1 -79.1 0 42.0 -51.7 1019.7 1019.7 331.5 1021.2 0.13 58 4.3 36716 -50.5 -87.5 0 37.0 -58.9 1057.9 1057.9 332.1 1058.4 0.04 59 4.2 36870 -50.1 -87.1 1 37.0 -58.8 1067.0 1067.0 332.2 1067.5 0.05 TRP 355 7223 -51.5 -66.5 15 15.0 -51.7 345 38 298.1 298.1 280.5 298.1 0.01 WND 10 30990 -43.7 -83.8 0 40.1 -52.1 5 77 856.4 856.5 328.5 856.8 0.04 Sounding variables and indices 1000-500 mb thick: 4925.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.07 inches Sfc-500 mean rel hum: 55.55 % Est. max temperature: -8.27 C = 17.11 F Sfc-Lift cond lev (LCL): 950.35 mb = 391.39 m = 1284.07 ft T: -26.88 C 700-500 lapse rate: 4.98 C/km ThetaE index: 0.15 C Layer 850.0- 774.0 mb Conv cond level (CCL): 691.03 mb = 2712.23 m = 8898.30 ft Mean mixing ratio: 0.42 g/kg Conv temperature: -4.09 C = 24.64 F Cap Strength: 18.76 C Lifted Index: 23.59 C Risk: None Lifted Index @300 mb: 44.17 C Lifted Index @700 mb: 14.45 C Showalter Index: 12.28 C Risk: None Total Totals Index: 40.90 C Risk: None Vertical Totals Index: 21.80 C Cross Totals Index: 19.10 C K Index: -2.90 Risk: None Sweat Index: 73.00 Risk: None Energy Index: 3.08 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 47.92 J/kg Max Up Vert Vel: 9.79 m/s Conv Inhibition (B-): 97098.40 J/kg Cap Strength: 23.10 C Lift Cond Lev (LCL): 908.81 mb = 717.16 m = 2352.87 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 351 at 17 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 ---------------------------------------------------------- 0 996 51 310 12 9.2 -7.7 | 214 11 6.4 9.5 1 962 305 330 13 6.5 -11.3 | 212 7 3.7 5.9 2 925 588 320 17 10.9 -13.0 | 243 9 8.1 4.2 3 922 610 320 18 11.6 -13.8 | 249 9 8.7 3.4 4 885 914 310 14 10.7 -9.0 | 224 11 7.9 8.2 5 850 1212 320 22 14.1 -16.9 | 268 11 11.3 0.3 6 849 1219 320 22 14.1 -16.9 | 268 11 11.3 0.3 7 781 1829 310 16 12.3 -10.3 | 234 12 9.4 6.9 8 749 2134 305 28 22.9 -16.1 | 267 20 20.1 1.1 9 718 2438 310 21 16.1 -13.5 | 254 14 13.3 3.7 10 700 2621 305 26 21.3 -14.9 | 263 19 18.5 2.3 11 688 2743 305 29 23.8 -16.6 | 269 21 20.9 0.5 12 630 3353 305 21 17.2 -12.0 | 250 15 14.4 5.1 13 603 3658 310 22 16.9 -14.1 | 258 14 14.0 3.0 14 552 4267 320 28 18.0 -21.4 | 286 16 15.2 -4.3 15 505 4877 335 29 12.3 -26.3 | 314 13 9.4 -9.1 16 500 4950 340 29 9.9 -27.3 | 325 12 7.1 -10.1 17 483 5182 345 27 7.0 -26.1 | 335 10 4.2 -8.9 18 421 6096 335 28 11.8 -25.4 | 312 12 9.0 -8.2 19 400 6440 335 30 12.7 -27.2 | 315 14 9.8 -10.0 20 367 7010 330 38 19.0 -32.9 | 314 23 16.2 -15.7 21 355 7223 345 38 9.8 -36.7 | 340 21 7.0 -19.5 22 350 7315 345 38 9.8 -36.7 | 340 21 7.0 -19.5 23 334 7620 330 36 18.0 -31.2 | 313 21 15.2 -14.0 24 300 8320 330 43 21.5 -37.2 | 317 27 18.7 -20.1 25 265 9144 335 43 18.2 -39.0 | 325 27 15.3 -21.8 26 253 9449 335 45 19.0 -40.8 | 326 29 16.2 -23.6 27 250 9520 335 44 18.6 -39.9 | 325 28 15.8 -22.7 28 231 10058 345 42 10.9 -40.6 | 341 25 8.0 -23.4 29 210 10668 330 38 19.0 -32.9 | 314 23 16.2 -15.7 30 201 10973 320 41 26.4 -31.4 | 301 27 23.5 -14.2 31 200 11000 330 37 18.5 -32.0 | 314 22 15.7 -14.9 32 183 11582 335 31 13.1 -28.1 | 317 15 10.3 -10.9 33 175 11887 330 44 22.0 -38.1 | 318 28 19.2 -20.9 34 153 12802 330 35 17.5 -30.3 | 312 20 14.7 -13.1 35 150 12920 325 37 21.2 -30.3 | 306 23 18.4 -13.1 36 139 13411 315 41 29.0 -29.0 | 294 29 26.2 -11.8 37 133 13716 330 35 17.5 -30.3 | 312 20 14.7 -13.1 38 111 14935 325 34 19.5 -27.9 | 303 20 16.7 -10.7 39 106 15240 325 45 25.8 -36.9 | 311 30 23.0 -19.7 40 101 15545 320 48 30.9 -36.8 | 305 34 28.0 -19.6 41 100 15610 330 39 19.5 -33.8 | 315 24 16.7 -16.6 42 96 15850 330 39 19.5 -33.8 | 315 24 16.7 -16.6 43 84 16764 320 52 33.4 -39.8 | 307 38 30.6 -22.7 44 70 17983 335 37 15.6 -33.5 | 322 21 12.8 -16.4 45 70 17990 315 30 21.2 -21.2 | 282 19 18.4 -4.0 46 67 18288 320 29 18.6 -22.2 | 288 17 15.8 -5.0 47 64 18593 310 48 36.8 -30.9 | 292 37 33.9 -13.7 48 56 19507 330 52 26.0 -45.0 | 320 36 23.2 -27.9 49 53 19812 345 47 12.2 -45.4 | 342 30 9.3 -28.2 50 51 20117 330 33 16.5 -28.6 | 310 18 13.7 -11.4 51 50 20220 320 38 24.4 -29.1 | 299 25 21.6 -11.9 52 48 20422 320 35 22.5 -26.8 | 296 22 19.7 -9.6 53 46 20726 330 42 21.0 -36.4 | 317 26 18.2 -19.2 54 44 21031 315 44 31.1 -31.1 | 296 32 28.3 -13.9 55 42 21336 335 45 19.0 -40.8 | 326 29 16.2 -23.6 56 39 21946 345 37 9.6 -35.7 | 340 20 6.7 -18.6 57 35 22555 330 42 21.0 -36.4 | 317 26 18.2 -19.2 58 32 23165 350 38 6.6 -37.4 | 349 21 3.8 -20.2 59 30 23600 340 42 14.4 -39.5 | 333 25 11.5 -22.3 60 29 23774 345 47 12.2 -45.4 | 342 30 9.3 -28.2 61 23 25298 340 25 8.6 -23.5 | 318 9 5.7 -6.3 62 22 25603 5 35 -3.1 -34.9 | 18 19 -5.9 -17.7 63 20 26213 5 43 -3.7 -42.8 | 14 26 -6.6 -25.7 64 20 26340 330 21 10.5 -18.2 | 278 8 7.7 -1.0 65 19 26518 340 21 7.2 -19.7 | 300 5 4.3 -2.6 66 19 26822 325 21 12.0 -17.2 | 270 9 9.2 -0.0 67 18 27127 320 20 12.9 -15.3 | 260 10 10.0 1.9 68 17 27432 315 23 16.3 -16.3 | 266 13 13.4 0.9 69 16 28042 320 28 18.0 -21.4 | 286 16 15.2 -4.3 70 14 28956 340 52 17.8 -48.9 | 335 35 15.0 -31.7 71 12 29566 350 73 12.7 -71.9 | 350 56 9.8 -54.7 72 10 30990 5 77 -6.7 -76.7 | 9 60 -9.5 -59.5 Wind Parameters Mean winds (0-6000m): 320.6 at 23.2 knts Storm direction: 350.6 at 17.4 knts Shear (0-3000m) pos: 0.9 neg: 1.9 tot: 2.7 10-3/s Storm rel Dir Shear (0-3000m): 46.9 deg Storm rel helicity (0-3000m) pos: 78.3 neg: -51.9 tot: 26.4 m^2/s^2 ave: 8.8 10^-3 m/s^2 rel: 0.16 Storm rel vorticity (0-3000m) horiz: 9.5 stream: 1.5 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 3.90 Bulk Shear: 12.28 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 ------------------------------------------------------------------------------- 500 323 14 220 8| 5.4 0.0 5.4| 7.4 -0.4 7.0 14.1 0.44| 8.2 3.6 1000 319 15 229 9| 2.7 1.2 3.9| 17.8 -8.3 9.5 9.5 0.28| 8.0 2.2 1500 318 17 240 9| 1.8 1.0 2.9| 30.3 -18.4 11.9 7.9 0.22| 8.0 1.8 2000 316 17 242 10| 1.4 2.5 3.9| 52.3 -25.2 27.2 13.6 0.26| 8.8 2.3 2500 314 19 248 11| 1.0 2.0 3.0| 65.5 -39.0 26.5 10.6 0.19| 9.5 1.8 3000 312 20 252 13| 0.9 1.9 2.7| 78.3 -51.9 26.4 8.8 0.16| 9.5 1.5 4000 311 21 255 13| 1.2 1.4 2.6|103.8 -64.9 38.9 9.7 0.19| 8.5 1.6 5000 315 22 264 13| 2.1 1.1 3.3|151.6 -64.9 86.7 17.3 0.31| 8.2 2.6 6000 321 23 274 12| 1.8 1.2 3.0|153.9 -76.0 78.0 13.0 0.26| 7.4 1.9 Wrote GIF file: /home/apache/climate/data/raob//CYBK/skewt/CYBK.skewt.20251204.12.gif