UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120512.upa.cvt Date: 1200Z 5 DEC 25 Searching for CYBK... Searching the city database file for: CYBK ... Date:1200Z 5 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 4 335 19 SFC 994 51 -20.7 -23.0 82 2.3 -21.0 335 19 252.9 253.0 252.5 254.5 0.60 2 970 230 -21.7 -23.9 82 2.2 -22.0 353 26 253.7 253.7 253.1 255.2 0.57 3 958 322 -21.1 -23.1 84 2.0 -21.4 0 29 255.2 255.3 254.5 256.9 0.62 4 939 470 -17.5 -19.5 84 2.0 -17.9 3 25 260.3 260.4 259.2 262.7 0.87 5 925 582 -16.9 -18.8 85 1.9 -17.2 5 23 262.0 262.2 260.7 264.6 0.94 6 920 623 -16.7 -18.5 86 1.8 -17.0 5 23 262.6 262.8 261.2 265.3 0.96 7 905 746 -16.5 -18.0 88 1.5 -16.8 5 24 264.1 264.2 262.4 266.9 1.02 8 850 1215 -19.1 -20.5 89 1.4 -19.3 10 22 266.1 266.3 263.6 268.6 0.88 9 758 2058 -24.7 -25.9 90 1.2 -24.9 21 33 268.9 269.0 265.1 270.7 0.61 10 700 2635 -26.1 -28.1 83 2.0 -26.3 10 34 273.6 273.7 268.1 275.2 0.54 11 627 3420 -32.9 -33.5 94 0.6 -33.0 28 36 274.6 274.6 268.4 275.7 0.36 12 618 3522 -31.9 -32.9 91 1.0 -32.0 29 36 276.9 276.9 269.9 278.0 0.39 13 574 4039 -35.9 -38.8 75 2.9 -36.1 27 39 278.1 278.1 270.4 278.8 0.23 14 500 4980 -44.1 -47.8 67 3.7 -44.2 15 34 279.3 279.3 270.9 279.6 0.10 15 491 5102 -45.1 -49.9 58 4.8 -45.2 17 37 279.5 279.5 271.0 279.8 0.08 16 443 5786 -49.9 -53.0 70 3.1 -50.0 30 52 281.8 281.8 272.3 282.0 0.06 17 406 6354 -53.5 -59.5 48 6.0 -53.6 34 50 284.2 284.3 273.6 284.4 0.03 18 400 6450 -54.3 -60.3 48 6.0 -54.4 35 50 284.4 284.4 273.8 284.5 0.03 19 389 6628 -55.7 -60.7 54 5.0 -55.8 35 50 284.9 284.9 274.0 285.0 0.03 20 368 6979 -57.5 -61.5 60 4.0 -57.5 45 35 287.0 287.0 275.2 287.1 0.03 21 348 7332 -56.7 -63.7 41 7.0 -56.8 19 25 292.7 292.7 278.0 292.8 0.02 22 324 7783 -58.1 -66.1 35 8.0 -58.2 18 33 296.8 296.8 280.0 296.9 0.02 23 300 8270 -55.9 -67.9 21 12.0 -56.1 35 23 306.6 306.6 284.0 306.6 0.01 24 277 8778 -52.5 -68.5 13 16.0 -52.7 4 25 318.5 318.5 288.3 318.6 0.01 25 269 8966 -53.3 -69.3 13 16.0 -53.5 7 26 320.0 320.1 288.8 320.1 0.01 26 260 9186 -50.5 -68.5 10 18.0 -50.8 8 25 327.3 327.3 291.0 327.4 0.01 27 250 9440 -50.7 -68.7 10 18.0 -51.0 355 18 330.7 330.7 291.9 330.8 0.01 28 241 9680 -49.9 -68.9 9 19.0 -50.3 346 15 335.4 335.4 293.2 335.4 0.01 29 221 10247 -50.9 -69.9 9 19.0 -51.2 343 21 342.3 342.3 294.8 342.3 0.01 30 200 10900 -49.5 -70.5 7 21.0 -50.0 340 22 354.4 354.4 297.6 354.4 0.01 31 170 11967 -47.7 -78.7 2 31.0 -48.4 341 19 374.2 374.2 301.3 374.3 0.00 32 150 12790 -48.5 -82.5 1 34.0 -49.3 325 26 386.5 386.5 303.3 386.5 0.00 33 134 13530 -48.9 -82.9 1 34.0 -49.7 336 30 398.5 398.5 305.0 398.5 0.00 34 110 14831 -46.7 -83.7 1 37.0 -47.9 327 21 425.7 425.7 308.4 425.7 0.00 35 100 15460 -48.1 -84.1 1 36.0 -49.3 330 24 434.8 434.8 309.3 434.8 0.00 36 85 16531 -47.9 -84.9 1 37.0 -49.3 331 26 455.9 455.9 311.4 455.9 0.00 37 75 17361 -45.3 -84.3 0 39.0 -47.2 323 25 477.9 478.0 313.3 478.0 0.00 38 71 17726 -46.5 -84.5 1 38.0 -48.3 317 27 482.9 482.9 313.7 483.0 0.00 39 70 17820 -45.9 -84.9 0 39.0 -47.8 330 28 486.2 486.2 314.0 486.2 0.00 40 67 18114 -43.3 -83.3 0 40.0 -45.8 333 26 498.0 498.0 314.8 498.0 0.01 41 58 19082 -45.9 -84.9 0 39.0 -48.1 328 26 513.1 513.1 315.8 513.1 0.01 42 50 20080 -42.1 -83.1 0 41.0 -45.6 325 28 544.3 544.3 317.8 544.3 0.01 43 49 20217 -41.9 -82.9 0 41.0 -45.4 323 37 547.9 547.9 318.0 547.9 0.01 44 38 21928 -44.5 -84.5 0 40.0 -48.0 317 19 582.6 582.6 319.8 582.6 0.01 45 33 22878 -41.9 -82.9 0 41.0 -46.6 337 23 613.5 613.5 321.2 613.5 0.01 46 30 23520 -44.5 -84.5 0 40.0 -48.6 30 14 623.3 623.3 321.6 623.4 0.01 47 29 23746 -44.7 -84.7 0 40.0 -48.8 17 10 628.8 628.9 321.9 628.9 0.01 48 27 24226 -41.5 -82.5 0 41.0 -47.0 359 14 650.8 650.8 322.7 650.9 0.02 49 25 24744 -44.3 -84.3 0 40.0 -49.0 257 3 657.3 657.3 323.0 657.4 0.01 50 20 26240 -43.3 -83.3 0 40.0 -49.1 310 18 703.6 703.6 324.6 703.8 0.02 51 17 27330 -45.7 -84.7 0 39.0 -51.1 330 27 729.4 729.4 325.3 729.6 0.02 52 12 29659 -44.5 -84.5 0 40.0 -51.7 330 35 810.1 810.1 327.5 810.3 0.03 53 11 30247 -41.1 -82.1 0 41.0 -50.4 334 37 842.8 842.9 328.2 843.2 0.04 54 10 30890 -44.7 -84.7 0 40.0 -52.6 340 25 852.7 852.7 328.5 853.0 0.03 55 9.1 31521 -45.1 -85.1 0 40.0 -53.2 874.5 874.5 328.9 874.8 0.03 56 8.4 32057 -43.3 -83.3 0 40.0 -52.6 901.8 901.8 329.5 902.2 0.05 57 6.2 34098 -44.1 -84.1 0 40.0 -54.4 980.2 980.2 330.9 980.8 0.05 58 5.5 34895 -48.1 -87.1 0 39.0 -56.8 996.6 996.7 331.1 997.0 0.04 59 4.8 35796 -46.3 -85.3 0 39.0 -56.5 1044.5 1044.5 331.9 1045.1 0.06 60 4.0 36993 -51.7 -87.7 1 36.0 -59.8 1074.2 1074.2 332.3 1074.7 0.04 61 3.9 37158 -50.9 -87.9 0 37.0 -59.5 1085.9 1085.9 332.4 1086.4 0.04 TRP 368 6979 -57.5 -61.5 60 4.0 -57.5 45 35 287.0 287.0 275.2 287.1 0.03 WND Sounding variables and indices 1000-500 mb thick: 4976.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.12 inches Sfc-500 mean rel hum: 83.67 % Est. max temperature: -7.29 C = 18.87 F Sfc-Lift cond lev (LCL): 956.91 mb = 330.17 m = 1083.22 ft T: -20.90 C 700-500 lapse rate: 7.68 C/km ThetaE index: 0.00 C Layer 994.0- 0.0 mb Conv cond level (CCL): 994.00 mb = 51.00 m = 167.32 ft Mean mixing ratio: 0.79 g/kg Conv temperature: -19.90 C = -3.81 F Cap Strength: 14.88 C Lifted Index: 15.18 C Risk: None Lifted Index @300 mb: 32.41 C Lifted Index @700 mb: 12.08 C Showalter Index: 8.91 C Risk: None Total Totals Index: 48.60 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 25.00 C Cross Totals Index: 23.60 C K Index: 2.50 Risk: None Sweat Index: 78.00 Risk: None Energy Index: 2.32 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 57.73 J/kg Max Up Vert Vel: 10.75 m/s Conv Inhibition (B-): 99222.75 J/kg Cap Strength: 15.16 C Lift Cond Lev (LCL): 916.81 mb = 648.79 m = 2128.53 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 49 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 ---------------------------------------------------------- 0 994 51 335 19 8.0 -17.2 | 271 27 27.4 -0.3 1 960 305 360 29 -0.0 -29.0 | 302 23 19.4 -12.1 2 925 582 5 23 -2.0 -22.9 | 289 18 17.4 -6.0 3 922 610 5 23 -2.0 -22.9 | 289 18 17.4 -6.0 4 885 914 5 25 -2.2 -24.9 | 295 19 17.2 -8.0 5 850 1215 10 22 -3.8 -21.7 | 287 16 15.6 -4.8 6 850 1219 10 22 -3.8 -21.7 | 287 16 15.6 -4.8 7 782 1829 25 31 -13.1 -28.1 | 331 13 6.3 -11.2 8 750 2134 20 34 -11.6 -31.9 | 333 17 7.8 -15.1 9 719 2438 5 30 -2.6 -29.9 | 308 21 16.8 -13.0 10 700 2635 10 34 -5.9 -33.5 | 321 21 13.5 -16.6 11 689 2743 10 34 -5.9 -33.5 | 321 21 13.5 -16.6 12 660 3048 25 37 -15.6 -33.5 | 347 17 3.8 -16.7 13 604 3658 30 35 -17.5 -30.3 | 352 14 1.9 -13.4 14 579 3962 30 39 -19.5 -33.8 | 0 17 -0.1 -16.9 15 554 4267 15 37 -9.6 -35.7 | 332 21 9.8 -18.9 16 507 4877 15 37 -9.6 -35.7 | 332 21 9.8 -18.9 17 500 4980 15 34 -8.8 -32.8 | 326 19 10.6 -16.0 18 442 5791 30 52 -26.0 -45.0 | 13 29 -6.6 -28.2 19 422 6096 30 49 -24.5 -42.4 | 11 26 -5.1 -25.6 20 400 6450 35 50 -28.7 -41.0 | 21 26 -9.3 -24.1 21 384 6706 35 50 -28.7 -41.0 | 21 26 -9.3 -24.1 22 368 6979 45 35 -24.7 -24.7 | 34 10 -5.3 -7.9 23 366 7010 45 36 -25.5 -25.5 | 35 10 -6.1 -8.6 24 349 7315 20 25 -8.6 -23.5 | 301 13 10.9 -6.6 25 333 7620 10 29 -5.0 -28.6 | 309 19 14.4 -11.7 26 317 7925 25 37 -15.6 -33.5 | 347 17 3.8 -16.7 27 302 8230 25 29 -12.3 -26.3 | 323 12 7.1 -9.4 28 300 8270 35 23 -13.2 -18.8 | 287 7 6.2 -2.0 29 288 8534 360 25 -0.0 -25.0 | 293 21 19.4 -8.1 30 262 9144 10 26 -4.5 -25.6 | 300 17 14.9 -8.7 31 250 9440 355 18 1.6 -17.9 | 273 21 21.0 -1.0 32 250 9449 5 17 -1.5 -16.9 | 270 18 17.9 -0.1 33 238 9754 340 15 5.1 -14.1 | 264 25 24.5 2.8 34 207 10668 345 26 6.7 -25.1 | 287 27 26.1 -8.2 35 200 10900 340 22 7.5 -20.7 | 278 27 26.9 -3.8 36 180 11582 350 20 3.5 -19.7 | 277 23 22.9 -2.8 37 164 12192 335 19 8.0 -17.2 | 271 27 27.4 -0.3 38 157 12497 355 22 1.9 -21.9 | 283 22 21.3 -5.0 39 150 12790 325 26 14.9 -21.3 | 277 35 34.3 -4.4 40 143 13106 325 27 15.5 -22.1 | 279 35 34.9 -5.2 41 136 13411 340 30 10.3 -28.2 | 291 32 29.7 -11.3 42 124 14021 320 28 18.0 -21.4 | 277 38 37.4 -4.6 43 119 14326 340 23 7.9 -21.6 | 280 28 27.3 -4.7 44 113 14630 320 21 13.5 -16.1 | 269 33 32.9 0.8 45 103 15240 340 22 7.5 -20.7 | 278 27 26.9 -3.8 46 100 15460 330 24 12.0 -20.8 | 277 32 31.4 -3.9 47 99 15545 315 18 12.7 -12.7 | 263 32 32.1 4.2 48 94 15850 330 24 12.0 -20.8 | 277 32 31.4 -3.9 49 90 16154 315 19 13.4 -13.4 | 264 33 32.8 3.4 50 86 16459 330 26 13.0 -22.5 | 280 33 32.4 -5.6 51 78 17069 335 24 10.1 -21.8 | 279 30 29.5 -4.9 52 72 17678 310 26 19.9 -16.7 | 270 39 39.3 0.2 53 70 17820 330 28 14.0 -24.2 | 282 34 33.4 -7.4 54 65 18288 335 25 10.6 -22.7 | 281 31 30.0 -5.8 55 54 19507 325 26 14.9 -21.3 | 277 35 34.3 -4.4 56 50 20080 325 28 16.1 -22.9 | 280 36 35.5 -6.1 57 50 20117 325 40 22.9 -32.8 | 291 45 42.3 -15.9 58 45 20726 315 20 14.1 -14.1 | 265 34 33.5 2.7 59 43 21031 320 27 17.4 -20.7 | 276 37 36.8 -3.8 60 41 21336 335 32 13.5 -29.0 | 290 35 32.9 -12.1 61 40 21641 350 26 4.5 -25.6 | 290 25 23.9 -8.7 62 38 21946 315 19 13.4 -13.4 | 264 33 32.8 3.4 63 33 22860 335 23 9.7 -20.8 | 278 29 29.1 -4.0 64 30 23520 30 14 -7.0 -12.1 | 249 13 12.4 4.8 65 29 23774 15 10 -2.6 -9.7 | 247 18 16.8 7.2 66 28 24079 35 18 -10.3 -14.7 | 257 9 9.1 2.1 67 25 24689 245 1 0.9 0.4 | 230 27 20.3 17.3 68 24 24994 315 10 7.1 -7.1 | 250 28 26.5 9.8 69 23 25298 330 19 9.5 -16.5 | 269 29 28.9 0.4 70 22 25603 320 14 9.0 -10.7 | 258 29 28.4 6.2 71 21 25908 345 18 4.7 -17.4 | 271 24 24.1 -0.5 72 20 26240 310 18 13.8 -11.6 | 261 34 33.2 5.3 73 18 26822 300 18 15.6 -9.0 | 257 36 35.0 7.9 74 18 27127 330 25 12.5 -21.7 | 278 32 31.9 -4.8 75 17 27432 330 28 14.0 -24.2 | 282 34 33.4 -7.4 76 15 28346 355 38 3.3 -37.9 | 313 31 22.7 -21.0 77 14 28651 360 30 -0.0 -30.0 | 304 23 19.4 -13.1 78 13 28956 340 21 7.2 -19.7 | 276 27 26.6 -2.9 79 12 29566 330 30 15.0 -26.0 | 285 36 34.4 -9.1 80 12 29870 330 44 22.0 -38.1 | 297 47 41.4 -21.2 81 10 30890 340 25 8.6 -23.5 | 283 29 28.0 -6.6 Wind Parameters Mean winds (0-6000m): 19.0 at 34.3 knts Storm direction: 49.0 at 25.7 knts Shear (0-3000m) pos: 6.0 neg: 1.3 tot: 7.3 10-3/s Storm rel Dir Shear (0-3000m): 76.6 deg Storm rel helicity (0-3000m) pos: 203.4 neg: -66.2 tot: 137.1 m^2/s^2 ave: 45.7 10^-3 m/s^2 rel: 0.41 Storm rel vorticity (0-3000m) horiz: 10.6 stream: 4.3 10^-3/s Energy-Hel index: 0.05 Bulk Rich Number: 2.01 Bulk Shear: 28.69 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 ------------------------------------------------------------------------------- 500 356 25 291 23| 12.1 0.0 12.1| 86.6 -17.8 68.7 137.5 0.51| 19.5 10.0 1000 1 25 292 21| 6.5 0.0 6.5| 93.4 -23.1 70.4 70.4 0.45| 11.4 5.2 1500 5 24 293 19| 6.3 0.0 6.3|113.4 -27.1 86.4 57.6 0.48| 10.1 4.9 2000 10 26 300 17| 6.3 0.0 6.3|133.6 -27.1 106.6 53.3 0.53| 9.7 5.1 2500 11 27 304 17| 5.0 1.6 6.6|147.5 -66.2 81.2 32.5 0.29| 10.3 3.0 3000 12 28 309 18| 6.0 1.3 7.3|203.4 -66.2 137.1 45.7 0.41| 10.6 4.3 4000 17 31 319 16| 4.5 1.2 5.8|216.9 -78.7 138.3 34.6 0.36| 9.3 3.3 5000 17 32 323 17| 3.6 1.7 5.3|222.6-119.5 103.1 20.6 0.23| 8.5 2.0 6000 19 34 332 18| 4.5 1.4 5.9|328.1-123.9 204.2 34.0 0.34| 8.9 3.0 Wrote GIF file: /home/apache/climate/data/raob//CYBK/skewt/CYBK.skewt.20251205.12.gif