UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120100.upa.cvt Date: 0000Z 1 DEC 25 Searching for CYBK... Searching the city database file for: CYBK ... Date:0000Z 1 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 1005 51 -28.5 -31.6 75 3.1 -28.7 320 15 244.3 244.3 244.1 245.0 0.27 1 1000 91 -28.3 -31.6 73 3.3 -28.5 320 19 244.9 244.9 244.6 245.6 0.27 2 987 185 -27.9 -30.9 75 3.0 -28.1 329 20 246.2 246.2 245.9 247.0 0.29 3 971 303 -24.9 -28.1 75 3.2 -25.2 340 21 250.3 250.4 249.8 251.4 0.39 4 937 561 -26.7 -28.1 88 1.4 -26.8 336 24 251.1 251.1 250.6 252.2 0.40 5 925 654 -26.9 -28.4 87 1.5 -27.1 330 25 251.8 251.9 251.1 252.9 0.40 6 894 899 -28.3 -30.8 79 2.5 -28.5 325 27 252.8 252.9 251.9 253.7 0.33 7 881 1004 -27.3 -30.9 71 3.6 -27.6 324 27 254.9 255.0 253.7 255.8 0.33 8 850 1262 -27.5 -30.0 79 2.5 -27.7 320 24 257.3 257.4 255.8 258.4 0.37 9 800 1698 -27.5 -31.6 68 4.1 -27.9 337 26 261.8 261.9 259.3 262.8 0.34 10 782 1861 -28.3 -33.1 63 4.8 -28.7 331 28 262.7 262.7 259.9 263.6 0.30 11 762 2046 -29.3 -31.1 84 1.8 -29.5 337 29 263.6 263.6 260.7 264.6 0.37 12 737 2284 -30.3 -35.3 62 5.0 -30.7 340 31 265.0 265.0 261.6 265.8 0.26 13 700 2648 -32.3 -35.5 73 3.2 -32.5 340 38 266.7 266.8 262.9 267.5 0.27 14 677 2883 -33.7 -36.6 75 2.9 -33.9 336 38 267.7 267.8 263.5 268.5 0.25 15 642 3256 -34.5 -39.0 64 4.5 -34.8 341 39 270.9 270.9 265.7 271.5 0.20 16 635 3333 -34.3 -47.3 26 13.0 -34.9 341 39 272.0 272.0 266.2 272.2 0.08 17 630 3388 -34.1 -48.1 23 14.0 -34.7 342 39 272.8 272.8 266.7 273.1 0.08 18 617 3534 -35.1 -46.1 32 11.0 -35.6 344 40 273.3 273.3 267.1 273.6 0.10 19 580 3964 -37.5 -50.5 25 13.0 -38.0 340 41 275.4 275.4 268.4 275.6 0.06 20 567 4120 -38.5 -46.5 43 8.0 -38.8 338 42 276.0 276.0 268.9 276.3 0.10 21 562 4181 -38.9 -46.9 43 8.0 -39.2 337 43 276.2 276.2 269.0 276.5 0.10 22 544 4405 -39.3 -55.3 17 16.0 -39.8 339 46 278.3 278.3 270.2 278.5 0.04 23 527 4622 -40.1 -56.1 16 16.0 -40.6 345 49 279.9 279.9 271.1 280.0 0.04 24 515 4779 -40.9 -53.9 23 13.0 -41.3 345 47 280.8 280.8 271.7 281.0 0.05 25 514 4792 -40.9 -53.9 23 13.0 -41.3 345 46 280.9 281.0 271.8 281.1 0.05 26 500 4980 -42.1 -54.1 26 12.0 -42.5 340 41 281.7 281.7 272.2 281.9 0.05 27 434 5925 -47.9 -56.9 35 9.0 -48.1 340 41 286.0 286.0 274.6 286.1 0.04 28 418 6172 -49.3 -59.3 30 10.0 -49.5 340 41 287.3 287.3 275.3 287.4 0.03 29 400 6460 -49.7 -61.7 23 12.0 -49.9 340 42 290.4 290.4 276.9 290.5 0.02 30 375 6880 -51.3 -64.3 20 13.0 -51.5 345 43 293.7 293.7 278.5 293.8 0.02 31 363 7092 -50.3 -65.3 15 15.0 -50.5 344 43 297.8 297.8 280.4 297.8 0.02 32 326 7790 -51.7 -69.7 10 18.0 -52.0 339 41 305.1 305.1 283.5 305.2 0.01 33 300 8330 -50.7 -72.7 6 22.0 -51.0 335 43 313.9 313.9 286.7 313.9 0.01 34 250 9520 -47.5 -79.5 1 32.0 -48.0 335 50 335.4 335.4 293.2 335.5 0.00 35 236 9903 -46.7 -80.7 1 34.0 -47.3 337 49 342.2 342.2 294.8 342.2 0.00 36 200 11000 -47.9 -81.9 1 34.0 -48.5 340 52 356.9 356.9 298.1 356.9 0.00 37 197 11100 -48.3 -82.3 1 34.0 -48.9 342 51 357.8 357.8 298.2 357.8 0.00 38 184 11552 -46.5 -82.5 1 36.0 -47.3 331 49 367.8 367.8 300.2 367.8 0.00 39 171 12037 -48.3 -83.3 1 35.0 -49.0 338 52 372.6 372.6 301.0 372.6 0.00 40 155 12690 -44.7 -82.7 1 38.0 -45.8 347 51 389.4 389.4 303.7 389.4 0.00 41 150 12910 -44.9 -82.9 1 38.0 -46.0 350 48 392.7 392.7 304.2 392.7 0.00 42 121 14346 -43.3 -83.3 0 40.0 -44.9 339 44 420.5 420.5 307.8 420.5 0.00 43 118 14514 -43.9 -82.9 1 39.0 -45.4 340 43 422.4 422.4 308.0 422.4 0.00 44 110 14986 -41.3 -82.3 0 41.0 -43.3 343 41 435.9 435.9 309.4 435.9 0.00 45 100 15630 -42.3 -83.3 0 41.0 -44.3 345 36 446.0 446.0 310.5 446.0 0.00 46 90 16342 -43.3 -83.3 0 40.0 -45.3 333 41 457.6 457.6 311.5 457.7 0.00 47 73 17764 -40.1 -81.1 0 41.0 -43.2 356 44 492.7 492.7 314.4 492.7 0.01 48 70 18050 -41.5 -82.5 0 41.0 -44.3 345 25 495.6 495.6 314.7 495.6 0.01 49 53 19929 -45.5 -84.5 0 39.0 -48.0 351 37 527.4 527.4 316.8 527.4 0.01 50 50 20320 -43.9 -83.9 0 40.0 -46.9 350 34 540.0 540.0 317.5 540.1 0.01 51 48 20595 -41.9 -82.9 0 41.0 -45.5 350 33 551.1 551.1 318.2 551.2 0.01 52 37 22338 -45.9 -84.9 0 39.0 -49.1 3 37 583.4 583.4 319.8 583.5 0.01 53 30 23730 -46.5 -85.5 0 39.0 -50.0 355 39 617.9 617.9 321.4 617.9 0.01 54 27 24434 -43.9 -83.9 0 40.0 -48.5 355 36 644.1 644.1 322.4 644.2 0.01 55 20 26440 -45.9 -84.9 0 39.0 -50.7 355 62 695.7 695.7 324.3 695.8 0.01 56 15 28341 -49.3 -87.3 0 38.0 -53.8 3 69 744.0 744.0 325.8 744.1 0.01 57 13 29288 -45.5 -84.5 0 39.0 -52.0 360 69 788.3 788.3 327.0 788.5 0.02 58 12 29819 -47.1 -86.1 0 39.0 -53.2 360 81 800.9 800.9 327.3 801.0 0.02 59 11 30401 -42.7 -82.7 0 40.0 -51.1 1 91 837.0 837.0 328.1 837.4 0.04 60 10 31040 -46.1 -85.1 0 39.0 -53.3 5 100 847.5 847.5 328.4 847.7 0.03 61 9.2 31597 -43.7 -83.7 0 40.0 -52.4 877.1 877.1 329.0 877.5 0.04 62 7.0 33420 -47.3 -85.9 0 38.6 -55.4 10 116 933.5 933.5 330.1 933.8 0.04 63 6.3 34115 -48.7 -86.7 0 38.0 -56.5 956.1 956.1 330.5 956.5 0.03 64 5.8 34662 -45.9 -84.9 0 39.0 -55.5 991.2 991.2 331.1 991.7 0.05 65 4.9 35780 -47.5 -86.5 0 39.0 -57.0 1032.9 1032.9 331.7 1033.3 0.04 66 4.2 36805 -44.9 -84.9 0 40.0 -56.6 1091.8 1091.9 332.5 1092.7 0.07 67 4.1 36966 -45.1 -85.1 0 40.0 -56.8 1098.4 1098.5 332.6 1099.3 0.07 TRP 375 6880 -51.3 -64.3 20 13.0 -51.5 345 43 293.7 293.7 278.5 293.8 0.02 WND 7.0 33420 -47.3 -85.9 0 38.6 -55.4 10 116 933.5 933.5 330.1 933.8 0.04 Sounding variables and indices 1000-500 mb thick: 4889.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.05 inches Sfc-500 mean rel hum: 57.24 % Est. max temperature: -15.84 C = 3.48 F Sfc-Lift cond lev (LCL): 953.79 mb = 432.42 m = 1418.68 ft T: -25.80 C 700-500 lapse rate: 4.20 C/km ThetaE index: 0.00 C Layer 1005.0- -0.0 mb Conv cond level (CCL): 700.72 mb = 2640.70 m = 8663.61 ft Mean mixing ratio: 0.36 g/kg Conv temperature: -6.09 C = 21.04 F Cap Strength: 25.00 C Lifted Index: 25.38 C Risk: None Lifted Index @300 mb: 44.73 C Lifted Index @700 mb: 14.61 C Showalter Index: 19.17 C Risk: None Total Totals Index: 26.70 C Risk: None Vertical Totals Index: 14.60 C Cross Totals Index: 12.10 C K Index: -18.60 Risk: None Sweat Index: 89.00 Risk: None Energy Index: 4.98 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 31.40 J/kg Max Up Vert Vel: 7.92 m/s Conv Inhibition (B-): 100116.62 J/kg Cap Strength: 25.16 C Lift Cond Lev (LCL): 917.97 mb = 708.85 m = 2325.61 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 8 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 1005 51 320 15 9.6 -11.5 | 223 20 13.5 14.5 1 1000 91 320 19 12.2 -14.6 | 234 20 16.0 11.5 2 971 305 340 21 7.2 -19.7 | 240 13 11.0 6.3 3 931 610 335 24 10.1 -21.8 | 253 15 14.0 4.3 4 925 654 330 25 12.5 -21.7 | 255 17 16.3 4.4 5 892 914 325 27 15.5 -22.1 | 259 20 19.3 3.9 6 855 1219 320 27 17.4 -20.7 | 256 22 21.2 5.3 7 850 1262 320 24 15.4 -18.4 | 248 21 19.2 7.6 8 819 1524 345 23 6.0 -22.2 | 249 10 9.8 3.8 9 785 1829 330 28 14.0 -24.2 | 264 18 17.8 1.8 10 752 2134 340 30 10.3 -28.2 | 279 14 14.1 -2.2 11 721 2438 340 33 11.3 -31.0 | 288 16 15.1 -5.0 12 700 2648 340 38 13.0 -35.7 | 300 19 16.8 -9.7 13 690 2743 335 38 16.1 -34.4 | 293 22 19.9 -8.4 14 605 3658 345 40 10.4 -38.6 | 312 19 14.2 -12.6 15 554 4267 335 43 18.2 -39.0 | 301 26 22.0 -13.0 16 530 4572 345 50 12.9 -48.3 | 323 28 16.8 -22.3 17 508 4877 345 45 11.6 -43.5 | 318 23 15.5 -17.5 18 500 4980 340 41 14.0 -38.5 | 305 22 17.8 -12.5 19 485 5182 340 39 13.3 -36.6 | 302 20 17.2 -10.6 20 423 6096 340 41 14.0 -38.5 | 305 22 17.8 -12.5 21 400 6460 340 42 14.4 -39.5 | 307 23 18.2 -13.5 22 375 6880 345 43 11.1 -41.5 | 316 22 14.9 -15.5 23 368 7010 345 43 11.1 -41.5 | 316 22 14.9 -15.5 24 335 7620 340 41 14.0 -38.5 | 305 22 17.8 -12.5 25 300 8330 335 43 18.2 -39.0 | 301 26 22.0 -13.0 26 265 9144 340 49 16.8 -46.0 | 314 29 20.6 -20.0 27 253 9449 330 49 24.5 -42.4 | 300 33 28.3 -16.4 28 250 9520 335 50 21.1 -45.3 | 308 32 24.9 -19.3 29 210 10668 340 46 15.7 -43.2 | 311 26 19.5 -17.2 30 200 11000 340 52 17.8 -48.9 | 317 31 21.6 -22.9 31 192 11278 345 49 12.7 -47.3 | 322 27 16.5 -21.3 32 183 11582 330 49 24.5 -42.4 | 300 33 28.3 -16.4 33 160 12497 345 54 14.0 -52.2 | 326 32 17.8 -26.1 34 150 12910 350 48 8.3 -47.3 | 330 24 12.1 -21.3 35 146 13106 355 48 4.2 -47.8 | 340 23 8.0 -21.8 36 133 13716 335 47 19.9 -42.6 | 305 29 23.7 -16.6 37 106 15240 345 40 10.4 -38.6 | 312 19 14.2 -12.6 38 100 15630 345 36 9.3 -34.8 | 304 16 13.1 -8.8 39 97 15850 345 36 9.3 -34.8 | 304 16 13.1 -8.8 40 88 16459 330 42 21.0 -36.4 | 293 27 24.8 -10.4 41 85 16764 350 40 6.9 -39.4 | 321 17 10.8 -13.4 42 81 17069 340 43 14.7 -40.4 | 308 23 18.5 -14.4 43 77 17374 340 47 16.1 -44.2 | 312 27 19.9 -18.2 44 71 17983 5 42 -3.7 -41.8 | 359 16 0.2 -15.8 45 70 18050 345 25 6.5 -24.1 | 260 10 10.3 1.9 46 68 18288 340 24 8.2 -22.6 | 254 13 12.0 3.5 47 65 18593 5 29 -2.5 -28.9 | 336 3 1.3 -2.9 48 56 19507 330 30 15.0 -26.0 | 270 19 18.8 0.0 49 52 20117 360 40 -0.0 -40.0 | 345 14 3.8 -14.0 50 50 20320 350 34 5.9 -33.5 | 308 12 9.7 -7.5 51 47 20726 350 33 5.7 -32.5 | 304 12 9.5 -6.5 52 43 21336 345 47 12.2 -45.4 | 321 25 16.0 -19.4 53 39 21946 5 37 -3.2 -36.9 | 357 11 0.6 -10.8 54 30 23730 355 39 3.4 -38.9 | 331 15 7.2 -12.8 55 30 23774 340 35 12.0 -32.9 | 294 17 15.8 -6.9 56 27 24384 355 35 3.1 -34.9 | 322 11 6.9 -8.9 57 20 26440 355 62 5.4 -61.8 | 346 37 9.2 -35.8 58 17 27432 355 65 5.7 -64.8 | 346 40 9.5 -38.7 59 14 28651 5 70 -6.1 -69.7 | 3 44 -2.3 -43.7 60 14 28956 360 62 -0.0 -62.0 | 354 36 3.8 -36.0 61 11 30175 360 88 -0.0 -88.0 | 356 62 3.8 -62.0 62 10 31040 5 100 -8.7 -99.6 | 4 74 -4.9 -73.6 Wind Parameters Mean winds (0-6000m): 338.3 at 35.1 knts Storm direction: 8.3 at 26.3 knts Shear (0-3000m) pos: 3.3 neg: 2.6 tot: 6.0 10-3/s Storm rel Dir Shear (0-3000m): 76.0 deg Storm rel helicity (0-3000m) pos: 111.1 neg: -29.3 tot: 81.9 m^2/s^2 ave: 27.3 10^-3 m/s^2 rel: 0.35 Storm rel vorticity (0-3000m) horiz: 10.0 stream: 3.5 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 1.15 Bulk Shear: 27.21 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 ------------------------------------------------------------------------------- 500 334 21 241 15| 10.2 0.0 10.2| 35.2 0.0 35.2 70.4 0.64| 12.8 8.2 1000 330 23 250 16| 5.1 3.5 8.6| 44.5 -1.7 42.8 42.8 0.51| 10.0 5.1 1500 329 24 251 17| 5.0 2.3 7.4| 45.5 -16.5 29.0 19.3 0.23| 11.1 2.6 2000 331 25 254 16| 3.8 3.2 7.0| 68.9 -16.5 52.4 26.2 0.31| 11.2 3.4 2500 333 26 260 16| 4.0 2.6 6.6| 92.2 -16.5 75.7 30.3 0.38| 10.4 3.9 3000 334 28 267 16| 3.3 2.6 6.0|111.1 -29.3 81.9 27.3 0.35| 10.0 3.5 4000 337 31 279 16| 3.0 2.5 5.5|134.1 -44.3 89.8 22.5 0.32| 8.8 2.8 5000 338 34 288 17| 3.2 1.9 5.1|202.7 -97.5 105.2 21.0 0.25| 9.4 2.4 6000 338 35 291 18| 2.7 1.6 4.3|208.5-101.3 107.2 17.9 0.25| 8.1 2.0 Wrote GIF file: /home/apache/climate/data/raob//CYBK/skewt/CYBK.skewt.20251201.00.gif