UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120812.upa.cvt Date: 1200Z 8 DEC 25 Searching for CYBK... Searching the city database file for: CYBK ... Date:1200Z 8 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 1015 51 -33.9 -37.2 72 3.3 -34.0 295 4 238.2 238.3 238.1 238.6 0.15 1 1000 155 -30.7 -33.9 73 3.2 -30.9 320 12 242.4 242.5 242.3 243.0 0.22 2 992 212 -28.9 -31.6 77 2.7 -29.1 244.8 244.9 244.6 245.6 0.27 3 973 351 -27.5 -29.9 80 2.4 -27.7 247.6 247.6 247.2 248.5 0.33 4 954 492 -27.7 -30.4 78 2.7 -27.9 248.8 248.8 248.3 249.6 0.32 5 925 715 -25.9 -28.3 80 2.4 -26.1 285 17 252.8 252.9 252.0 253.9 0.40 6 922 738 -25.9 -28.3 80 2.4 -26.1 253.1 253.1 252.3 254.2 0.40 7 917 778 -24.1 -26.8 78 2.7 -24.4 255.3 255.4 254.3 256.6 0.46 8 857 1273 -22.1 -28.1 58 6.0 -22.8 262.4 262.4 260.0 263.6 0.44 9 850 1333 -22.5 -28.5 58 6.0 -23.2 290 7 262.6 262.6 260.1 263.8 0.43 10 813 1658 -24.5 -28.9 67 4.4 -25.0 263.8 263.9 261.0 265.1 0.43 11 700 2736 -29.7 -37.7 46 8.0 -30.3 330 2 269.6 269.6 264.8 270.2 0.21 12 656 3196 -32.5 -40.5 45 8.0 -33.0 271.5 271.5 266.0 272.0 0.17 13 615 3647 -35.9 -42.9 49 7.0 -36.2 272.6 272.7 266.7 273.1 0.14 14 574 4124 -38.1 -50.1 27 12.0 -38.5 275.5 275.5 268.5 275.7 0.07 15 525 4732 -42.7 -52.7 33 10.0 -43.0 277.1 277.1 269.5 277.3 0.05 16 500 5060 -44.5 -55.5 28 11.0 -44.7 355 9 278.8 278.8 270.5 278.9 0.04 17 492 5168 -44.3 -58.3 20 14.0 -44.6 280.3 280.3 271.4 280.4 0.03 18 405 6449 -51.3 -60.3 33 9.0 -51.4 287.3 287.3 275.3 287.4 0.03 19 400 6530 -51.3 -64.3 20 13.0 -51.5 265 5 288.3 288.3 275.8 288.4 0.02 20 376 6932 -52.3 -70.3 10 18.0 -52.5 292.1 292.1 277.7 292.2 0.01 21 359 7231 -53.9 -67.9 16 14.0 -54.1 293.9 293.9 278.6 293.9 0.01 22 326 7848 -56.1 -73.1 10 17.0 -56.2 270 5 299.1 299.1 280.9 299.1 0.01 23 322 7927 -55.1 -70.1 14 15.0 -55.2 301.5 301.5 282.0 301.6 0.01 24 300 8380 -55.3 -71.3 12 16.0 -55.5 280 8 307.4 307.4 284.4 307.4 0.01 25 281 8795 -56.5 -73.5 10 17.0 -56.6 311.5 311.5 285.9 311.5 0.01 26 250 9540 -54.1 -79.1 3 25.0 -54.4 280 13 325.6 325.6 290.5 325.6 0.00 27 229 10103 -52.3 -80.3 2 28.0 -52.7 336.7 336.7 293.5 336.7 0.00 28 214 10537 -54.3 -82.3 2 28.0 -54.6 340.1 340.1 294.4 340.1 0.00 29 200 10970 -53.3 -82.3 2 29.0 -53.7 310 7 348.4 348.4 296.3 348.4 0.00 30 189 11335 -52.7 -82.7 1 30.0 -53.1 355.0 355.0 297.7 355.0 0.00 31 168 12092 -55.1 -84.1 2 29.0 -55.4 363.2 363.2 299.3 363.2 0.00 32 163 12286 -53.5 -83.5 1 30.0 -53.9 369.0 369.0 300.4 369.0 0.00 33 150 12820 -53.9 -83.9 1 30.0 -54.3 305 9 377.2 377.2 301.8 377.2 0.00 34 100 15410 -56.1 -86.1 1 30.0 -56.6 335 16 419.3 419.3 307.6 419.3 0.00 35 83 16586 -58.7 -87.7 1 29.0 -59.1 437.0 437.0 309.6 437.0 0.00 36 70 17660 -56.5 -87.5 1 31.0 -57.1 350 22 463.5 463.5 312.1 463.5 0.00 37 50 19810 -54.7 -87.7 1 33.0 -55.8 340 37 514.6 514.6 315.9 514.6 0.00 38 45 20484 -53.1 -87.1 1 34.0 -54.5 534.2 534.2 317.2 534.2 0.00 39 37 21730 -57.1 -89.1 1 32.0 -58.2 554.7 554.7 318.3 554.7 0.00 40 31 22852 -55.1 -88.1 1 33.0 -56.6 588.9 588.9 320.1 588.9 0.01 41 30 23060 -56.5 -88.5 1 32.0 -57.9 345 41 590.6 590.6 320.2 590.6 0.01 42 21 25304 -59.9 -89.9 1 30.0 -61.2 643.8 643.8 322.4 643.8 0.01 43 20 25610 -58.5 -89.5 1 31.0 -60.0 325 59 657.1 657.1 323.0 657.1 0.01 44 13 28339 -55.7 -88.7 1 33.0 -58.6 753.0 753.0 326.0 753.0 0.01 45 10 30000 -58.5 -89.5 1 31.0 -61.2 325 28 801.2 801.2 327.3 801.3 0.01 46 9.0 30660 -59.9 -89.9 1 30.0 -62.4 820.3 820.3 327.7 820.4 0.01 47 7.2 32067 -55.9 -89.9 1 34.0 -60.2 890.8 890.8 329.2 890.9 0.02 48 5.0 34369 -59.3 -89.3 1 30.0 -63.3 973.2 973.2 330.7 973.5 0.03 49 4.6 34894 -57.3 -90.3 1 33.0 -62.3 1006.0 1006.0 331.3 1006.2 0.02 TRP 326 7848 -56.1 -73.1 10 17.0 -56.2 270 5 299.1 299.1 280.9 299.1 0.01 WND 4.0 315 74 Sounding variables and indices 1000-500 mb thick: 4905.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.06 inches Sfc-500 mean rel hum: 52.15 % Est. max temperature: -10.64 C = 12.85 F Sfc-Lift cond lev (LCL): 959.17 mb = 453.63 m = 1488.27 ft T: -27.65 C 700-500 lapse rate: 6.37 C/km ThetaE index: 0.00 C Layer 1015.0- -0.0 mb Conv cond level (CCL): 1000.00 mb = 155.00 m = 508.52 ft Mean mixing ratio: 0.32 g/kg Conv temperature: -28.98 C = -20.16 F Cap Strength: 23.73 C Lifted Index: 24.80 C Risk: None Lifted Index @300 mb: 41.65 C Lifted Index @700 mb: 19.15 C Showalter Index: 12.37 C Risk: None Total Totals Index: 38.00 C Risk: None Vertical Totals Index: 22.00 C Cross Totals Index: 16.00 C K Index: -14.50 Risk: None Sweat Index: 23.00 Risk: None Energy Index: 3.18 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 49.25 J/kg Max Up Vert Vel: 9.92 m/s Conv Inhibition (B-): 96663.20 J/kg Cap Strength: 24.53 C Lift Cond Lev (LCL): 925.90 mb = 707.97 m = 2322.72 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data ------------------------------------ TRUE/GROUND REL LEV P H DIR SPD U V mb m knt m/s ------------------------------------ 0 4 44346 315 74 52.3 -52.3 1 1015 51 295 4 3.6 -1.7 2 1000 155 320 12 7.7 -9.2 3 979 305 325 16 9.2 -13.1 4 939 610 280 12 11.8 -2.1 5 925 715 285 17 16.4 -4.4 6 900 914 315 19 13.4 -13.4 7 863 1219 295 9 8.2 -3.8 8 850 1333 290 7 6.6 -2.4 9 828 1524 270 6 6.0 -0.0 10 794 1829 270 11 11.0 -0.0 11 761 2134 270 7 7.0 -0.0 12 729 2438 270 8 8.0 -0.0 13 700 2736 330 2 1.0 -1.7 14 699 2743 310 4 3.1 -2.6 15 613 3658 350 9 1.6 -8.9 16 561 4267 20 8 -2.7 -7.5 17 513 4877 325 6 3.4 -4.9 18 500 5060 355 9 0.8 -9.0 19 427 6096 315 5 3.5 -3.5 20 408 6401 275 1 1.0 -0.1 21 400 6530 265 5 5.0 0.4 22 338 7620 280 9 8.9 -1.6 23 326 7848 270 5 5.0 -0.0 24 300 8380 280 8 7.9 -1.4 25 266 9144 275 6 6.0 -0.5 26 250 9540 280 13 12.8 -2.3 27 242 9754 285 15 14.5 -3.9 28 231 10058 305 10 8.2 -5.7 29 220 10363 290 11 10.3 -3.8 30 210 10668 250 7 6.6 2.4 31 200 10970 310 7 5.4 -4.5 32 191 11278 330 11 5.5 -9.5 33 182 11582 295 10 9.1 -4.2 34 165 12192 315 12 8.5 -8.5 35 158 12497 15 10 -2.6 -9.7 36 150 12820 305 9 7.4 -5.2 37 137 13411 325 10 5.7 -8.2 38 130 13716 355 7 0.6 -7.0 39 124 14021 325 10 5.7 -8.2 40 108 14935 300 17 14.7 -8.5 41 103 15240 315 19 13.4 -13.4 42 100 15410 335 16 6.8 -14.5 43 98 15545 335 16 6.8 -14.5 44 93 15850 315 15 10.6 -10.6 45 89 16154 355 19 1.7 -18.9 46 81 16764 5 21 -1.8 -20.9 47 77 17069 330 12 6.0 -10.4 48 73 17374 310 19 14.6 -12.2 49 70 17660 350 22 3.8 -21.7 50 70 17678 360 23 -0.0 -23.0 51 63 18288 335 16 6.8 -14.5 52 58 18898 335 29 12.3 -26.3 53 55 19202 360 27 -0.0 -27.0 54 52 19507 345 28 7.2 -27.0 55 50 19810 340 37 12.7 -34.8 56 45 20422 330 31 15.5 -26.8 57 43 20726 350 37 6.4 -36.4 58 39 21336 330 41 20.5 -35.5 59 37 21641 325 34 19.5 -27.9 60 34 22250 330 59 29.5 -51.1 61 31 22860 345 40 10.4 -38.6 62 30 23060 345 41 10.6 -39.6 63 27 23774 350 39 6.8 -38.4 64 26 24079 330 32 16.0 -27.7 65 24 24384 325 49 28.1 -40.1 66 22 24994 315 41 29.0 -29.0 67 21 25298 315 53 37.5 -37.5 68 20 25603 315 40 28.3 -28.3 69 20 25610 325 59 33.8 -48.3 70 18 26213 325 69 39.6 -56.5 71 17 26822 305 57 46.7 -32.7 72 16 27127 320 47 30.2 -36.0 73 15 27432 320 53 34.1 -40.6 74 12 28651 335 62 26.2 -56.2 75 11 29261 325 54 31.0 -44.2 76 10 29870 340 48 16.4 -45.1 77 10 30000 325 28 16.1 -22.9 Wind Parameters Energy-Hel index: -3.08 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 NO DATA | | | 1000 NO DATA | | | 1500 NO DATA | | | 2000 NO DATA | | | 2500 NO DATA | | | 3000 NO DATA | | | 4000 NO DATA | | | 5000 NO DATA | | | 6000 NO DATA | | | Wrote GIF file: /home/apache/climate/data/raob//CYBK/skewt/CYBK.skewt.20251208.12.gif