UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121700.upa.cvt Date: 0000Z 17 DEC 25 Searching for CYCB... Searching the city database file for: CYCB ... Date:0000Z 17 DEC 25 Station: CYCB WMO ident: 71925 Latitude: 69.10 Longitude: -105.12 Elevation: 27.00 ------------------------------------------------------------------------------- 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 6 325 12 SFC 996 27 -33.7 -37.0 72 3.3 -33.8 325 12 239.7 239.7 239.6 240.2 0.16 2 994 41 -33.5 -34.4 92 0.9 -33.6 327 12 240.1 240.1 240.0 240.6 0.21 3 985 106 -33.9 -36.3 79 2.4 -34.0 336 13 240.3 240.3 240.1 240.8 0.17 4 955 328 -29.7 -33.1 72 3.4 -29.9 5 16 246.7 246.7 246.2 247.4 0.25 5 925 558 -29.9 -33.2 73 3.3 -30.1 5 18 248.7 248.8 248.1 249.4 0.25 6 850 1160 -30.7 -33.6 76 2.9 -30.9 345 21 254.0 254.0 252.7 254.7 0.26 7 784 1734 -30.3 -34.0 70 3.7 -30.6 358 24 260.4 260.4 258.0 261.2 0.27 8 735 2191 -32.3 -35.1 76 2.8 -32.5 9 21 263.0 263.1 260.1 263.8 0.26 9 732 2220 -32.1 -34.8 77 2.7 -32.3 9 21 263.5 263.6 260.5 264.3 0.27 10 700 2534 -33.9 -36.3 79 2.4 -34.1 5 28 264.9 265.0 261.5 265.7 0.24 11 656 2988 -35.7 -37.7 82 2.0 -35.8 5 26 267.9 267.9 263.6 268.6 0.23 12 636 3203 -36.9 -39.2 79 2.3 -37.0 5 26 268.9 268.9 264.3 269.5 0.20 13 630 3269 -37.1 -41.4 64 4.3 -37.3 5 25 269.4 269.4 264.6 269.9 0.16 14 616 3424 -37.7 -41.5 68 3.8 -37.9 5 25 270.4 270.5 265.3 271.0 0.16 15 611 3480 -38.1 -39.9 83 1.8 -38.2 5 25 270.6 270.6 265.5 271.2 0.19 16 609 3503 -38.3 -42.0 68 3.7 -38.5 5 25 270.6 270.7 265.4 271.1 0.16 17 602 3582 -38.7 -43.0 64 4.3 -38.9 5 25 271.1 271.1 265.7 271.5 0.14 18 596 3651 -39.1 -40.4 87 1.3 -39.2 5 25 271.4 271.4 266.0 272.0 0.19 19 591 3709 -39.3 -42.5 72 3.2 -39.4 6 25 271.8 271.8 266.2 272.3 0.15 20 585 3779 -39.9 -41.4 86 1.5 -40.0 7 26 271.9 271.9 266.3 272.4 0.17 21 579 3849 -40.1 -41.8 84 1.7 -40.2 8 26 272.5 272.5 266.7 273.0 0.17 22 575 3897 -40.3 -46.3 53 6.0 -40.5 9 26 272.8 272.8 266.8 273.1 0.10 23 570 3956 -40.5 -47.5 47 7.0 -40.8 10 27 273.2 273.2 267.0 273.5 0.09 24 562 4053 -41.1 -46.1 58 5.0 -41.3 9 28 273.6 273.6 267.3 274.0 0.11 25 558 4101 -41.5 -48.5 47 7.0 -41.8 8 28 273.7 273.7 267.4 274.0 0.08 26 555 4138 -41.7 -45.6 66 3.9 -41.8 7 28 273.9 273.9 267.5 274.3 0.12 27 549 4212 -41.9 -47.9 52 6.0 -42.1 6 29 274.5 274.5 267.9 274.8 0.09 28 542 4298 -42.5 -44.2 83 1.7 -42.6 5 29 274.8 274.8 268.2 275.3 0.14 29 524 4526 -44.3 -46.4 79 2.1 -44.4 9 30 275.3 275.3 268.4 275.7 0.11 30 521 4565 -44.3 -48.1 66 3.8 -44.4 10 30 275.8 275.8 268.7 276.1 0.09 31 515 4642 -44.7 -47.7 72 3.0 -44.8 11 30 276.2 276.2 269.0 276.5 0.10 32 510 4708 -44.9 -52.9 40 8.0 -45.1 13 31 276.7 276.7 269.2 276.9 0.06 33 507 4747 -44.9 -50.9 51 6.0 -45.1 13 31 277.2 277.2 269.5 277.4 0.07 34 503 4800 -45.3 -51.3 51 6.0 -45.4 14 31 277.3 277.3 269.7 277.6 0.07 35 500 4840 -45.1 -55.1 32 10.0 -45.3 15 31 278.1 278.1 270.0 278.2 0.04 36 491 4961 -45.1 -56.1 28 11.0 -45.3 15 30 279.5 279.5 270.9 279.6 0.04 37 464 5336 -46.5 -58.5 24 12.0 -46.7 10 30 282.3 282.3 272.5 282.4 0.03 38 458 5423 -46.5 -54.5 40 8.0 -46.7 7 31 283.4 283.4 273.2 283.5 0.05 39 442 5657 -48.1 -53.1 56 5.0 -48.2 8 32 284.2 284.3 273.7 284.5 0.06 40 439 5702 -48.1 -57.1 35 9.0 -48.3 8 32 284.8 284.8 274.0 284.9 0.04 41 416 6054 -49.7 -56.7 44 7.0 -49.8 14 31 287.2 287.2 275.3 287.3 0.04 42 404 6245 -49.9 -60.9 26 11.0 -50.1 15 32 289.3 289.3 276.3 289.4 0.03 43 400 6310 -50.5 -58.5 38 8.0 -50.7 15 33 289.4 289.4 276.4 289.5 0.04 44 392 6442 -51.3 -59.3 38 8.0 -51.4 15 33 290.0 290.0 276.7 290.1 0.03 45 366 6887 -53.5 -61.5 37 8.0 -53.6 15 34 292.8 292.8 278.1 292.9 0.03 46 307 8013 -56.5 -67.5 24 11.0 -56.6 20 29 303.7 303.7 282.9 303.7 0.01 47 300 8160 -56.3 -70.3 16 14.0 -56.4 20 28 306.0 306.0 283.8 306.0 0.01 48 291 8354 -53.9 -74.9 6 21.0 -54.1 20 27 312.1 312.1 286.1 312.1 0.01 49 265 8955 -52.3 -77.3 3 25.0 -52.6 7 29 322.9 322.9 289.6 322.9 0.00 50 257 9152 -52.9 -77.9 3 25.0 -53.2 356 30 324.8 324.8 290.2 324.9 0.00 51 250 9330 -52.1 -78.1 3 26.0 -52.4 15 23 328.6 328.6 291.3 328.6 0.00 52 221 10128 -48.9 -79.9 2 31.0 -49.4 4 24 345.3 345.3 295.6 345.3 0.00 53 200 10780 -48.7 -79.7 2 31.0 -49.3 335 27 355.7 355.7 297.8 355.7 0.00 54 193 11014 -50.3 -80.3 2 30.0 -50.8 330 29 356.7 356.7 298.1 356.7 0.00 55 184 11326 -49.5 -80.5 1 31.0 -50.1 330 31 362.9 362.9 299.2 363.0 0.00 56 150 12660 -51.7 -82.7 1 31.0 -52.2 330 26 381.0 381.0 302.4 381.0 0.00 57 148 12747 -52.3 -82.3 2 30.0 -52.8 330 22 381.4 381.4 302.5 381.4 0.00 58 100 15290 -51.1 -84.1 1 33.0 -52.0 320 39 429.0 429.0 308.7 429.0 0.00 59 99 15355 -50.7 -83.7 1 33.0 -51.6 320 39 431.0 431.0 308.9 431.0 0.00 60 70 17600 -53.3 -84.3 1 31.0 -54.2 315 63 470.4 470.4 312.7 470.4 0.00 61 64 18175 -54.1 -85.1 1 31.0 -55.0 318 60 480.8 480.8 313.5 480.8 0.00 62 50 19770 -50.1 -84.1 1 34.0 -51.8 330 84 525.4 525.4 316.6 525.4 0.01 63 47 20176 -48.1 -83.1 1 35.0 -50.3 325 81 539.6 539.6 317.5 539.6 0.01 64 36 21910 -54.1 -86.1 1 32.0 -55.6 322 90 566.8 566.8 319.0 566.9 0.01 65 30 23080 -53.9 -86.9 1 33.0 -55.7 330 107 597.7 597.7 320.5 597.7 0.01 66 24 24509 -55.1 -87.0 1 31.9 -57.0 335 116 633.6 633.6 322.0 633.6 0.01 67 20 25670 -56.1 -87.1 1 31.0 -58.1 335 115 664.5 664.5 323.2 664.5 0.01 68 19 25996 -56.5 -87.5 1 31.0 -58.5 335 114 673.0 673.0 323.5 673.1 0.01 69 19 25996 -56.3 -87.3 1 31.0 -58.3 335 114 673.7 673.7 323.6 673.7 0.01 TRP 307 8013 -56.5 -67.5 24 11.0 -56.6 20 29 303.7 303.7 282.9 303.7 0.01 WND 24 24509 -55.1 -87.0 1 31.9 -57.0 335 116 633.6 633.6 322.0 633.6 0.01 Sounding variables and indices 1000-500 mb thick: 4834.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.05 inches Sfc-500 mean rel hum: 72.73 % Est. max temperature: -19.09 C = -2.36 F Sfc-Lift cond lev (LCL): 941.25 mb = 432.26 m = 1418.17 ft T: -29.79 C 700-500 lapse rate: 4.86 C/km Conv cond level (CCL): 996.00 mb = 27.00 m = 88.58 ft Mean mixing ratio: 0.23 g/kg Conv temperature: -33.23 C = -27.81 F Cap Strength: 24.99 C Lifted Index: 25.54 C Risk: None Lifted Index @300 mb: 41.88 C Lifted Index @700 mb: 16.41 C Showalter Index: 19.16 C Risk: None Total Totals Index: 25.90 C Risk: None Vertical Totals Index: 14.40 C Cross Totals Index: 11.50 C K Index: -21.60 Risk: None Sweat Index: 73.00 Risk: None Energy Index: 5.00 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 44.93 J/kg Max Up Vert Vel: 9.48 m/s Conv Inhibition (B-): 61489.11 J/kg Cap Strength: 24.72 C Lift Cond Lev (LCL): 898.98 mb = 761.14 m = 2497.15 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 35 at 19 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 27 325 12 6.9 -9.8 | 252 19 17.6 5.7 1 958 305 5 16 -1.4 -15.9 | 273 9 9.3 -0.4 2 925 558 5 18 -1.6 -17.9 | 285 9 9.2 -2.4 3 918 610 360 18 -0.0 -18.0 | 283 11 10.7 -2.5 4 880 914 335 21 8.9 -19.0 | 280 20 19.6 -3.5 5 850 1160 345 21 5.4 -20.3 | 286 17 16.2 -4.8 6 843 1219 350 22 3.8 -21.7 | 293 16 14.6 -6.2 7 807 1524 5 20 -1.7 -19.9 | 296 10 9.0 -4.4 8 773 1829 355 26 2.3 -25.9 | 309 17 13.0 -10.4 9 741 2134 10 20 -3.5 -19.7 | 300 8 7.3 -4.2 10 710 2438 5 24 -2.1 -23.9 | 314 12 8.7 -8.4 11 700 2534 5 28 -2.4 -27.9 | 326 15 8.3 -12.4 12 679 2743 5 26 -2.3 -25.9 | 321 13 8.5 -10.4 13 594 3658 5 25 -2.2 -24.9 | 318 13 8.6 -9.4 14 568 3962 10 27 -4.7 -26.6 | 331 13 6.1 -11.1 15 544 4267 5 29 -2.5 -28.9 | 328 16 8.2 -13.4 16 500 4840 15 31 -8.0 -29.9 | 349 15 2.7 -14.4 17 497 4877 15 30 -7.8 -29.0 | 348 14 3.0 -13.5 18 475 5182 15 29 -7.5 -28.0 | 345 13 3.2 -12.5 19 453 5486 5 32 -2.8 -31.9 | 334 18 8.0 -16.4 20 413 6096 15 31 -8.0 -29.9 | 349 15 2.7 -14.4 21 400 6310 15 33 -8.5 -31.9 | 352 17 2.2 -16.4 22 342 7315 15 35 -9.1 -33.8 | 355 18 1.7 -18.3 23 326 7620 15 31 -8.0 -29.9 | 349 15 2.7 -14.4 24 307 8013 20 29 -9.9 -27.3 | 356 12 0.8 -11.7 25 300 8160 20 28 -9.6 -26.3 | 354 11 1.2 -10.8 26 283 8534 20 26 -8.9 -24.4 | 348 9 1.9 -8.9 27 270 8839 15 28 -7.2 -27.0 | 343 12 3.5 -11.5 28 257 9144 355 30 2.6 -29.9 | 317 20 13.4 -14.4 29 250 9330 15 23 -6.0 -22.2 | 324 8 4.8 -6.7 30 245 9449 15 25 -6.5 -24.1 | 334 10 4.3 -8.6 31 234 9754 355 26 2.3 -25.9 | 309 17 13.0 -10.4 32 223 10058 10 25 -4.3 -24.6 | 325 11 6.4 -9.1 33 213 10363 345 22 5.7 -21.3 | 289 17 16.4 -5.7 34 203 10668 345 25 6.5 -24.1 | 297 19 17.2 -8.6 35 200 10780 335 27 11.4 -24.5 | 292 24 22.2 -9.0 36 185 11278 325 32 18.4 -26.2 | 290 31 29.1 -10.7 37 177 11582 355 27 2.4 -26.9 | 311 17 13.1 -11.4 38 161 12192 335 24 10.1 -21.8 | 287 22 20.9 -6.2 39 154 12497 345 20 5.2 -19.3 | 283 16 15.9 -3.8 40 150 12660 330 26 13.0 -22.5 | 286 25 23.7 -7.0 41 147 12802 330 20 10.0 -17.3 | 275 21 20.7 -1.8 42 140 13106 340 24 8.2 -22.6 | 290 20 19.0 -7.0 43 134 13411 335 29 12.3 -26.3 | 295 25 23.0 -10.8 44 101 15240 320 33 21.2 -25.3 | 287 33 32.0 -9.8 45 100 15290 320 39 25.1 -29.9 | 292 39 35.8 -14.4 46 96 15545 320 39 25.1 -29.9 | 292 39 35.8 -14.4 47 70 17600 315 63 44.5 -44.5 | 298 62 55.3 -29.0 48 66 17983 315 63 44.5 -44.5 | 298 62 55.3 -29.0 49 63 18288 320 59 37.9 -45.2 | 301 57 48.7 -29.7 50 50 19770 330 84 42.0 -72.7 | 317 78 52.7 -57.2 51 50 19812 325 86 49.3 -70.4 | 312 81 60.1 -54.9 52 45 20422 325 77 44.2 -63.1 | 311 73 54.9 -47.6 53 39 21336 315 87 61.5 -61.5 | 302 86 72.3 -46.0 54 33 22555 330 93 46.5 -80.5 | 319 87 57.2 -65.0 55 30 23080 330 107 53.5 -92.7 | 320 100 64.2 -77.2 56 24 24509 335 116 49.0 -105.1 | 326 108 59.8 -89.6 57 22 24994 335 116 49.0 -105.1 | 326 108 59.8 -89.6 58 20 25670 335 115 48.6 -104.2 | 326 107 59.3 -88.7 59 15 26213 335 108 45.6 -97.9 | 326 100 56.4 -82.4 Wind Parameters Mean winds (0-6000m): 4.7 at 25.2 knts Storm direction: 34.7 at 18.9 knts Shear (0-3000m) pos: 3.9 neg: 1.6 tot: 5.5 10-3/s Storm rel Dir Shear (0-3000m): 67.7 deg Storm rel helicity (0-3000m) pos: 68.4 neg: -13.6 tot: 54.8 m^2/s^2 ave: 18.3 10^-3 m/s^2 rel: 0.26 Storm rel vorticity (0-3000m) horiz: 10.2 stream: 2.6 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 3.23 Bulk Shear: 13.92 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 ------------------------------------------------------------------------------- 500 357 15 269 12| 11.9 0.0 11.9| 23.9 0.0 23.9 47.8 0.56| 12.6 7.1 1000 351 17 277 14| 5.9 4.7 10.6| 28.3 -4.3 24.0 24.0 0.28| 12.4 3.5 1500 351 19 282 14| 6.6 3.1 9.7| 44.2 -4.3 39.9 26.6 0.31| 11.6 3.6 2000 354 20 288 14| 5.0 2.5 7.4| 53.0 -6.1 46.9 23.4 0.27| 12.0 3.3 2500 357 20 292 13| 4.7 2.0 6.7| 68.4 -8.6 59.8 23.9 0.29| 11.8 3.4 3000 358 21 297 13| 3.9 1.6 5.5| 68.4 -13.6 54.8 18.3 0.26| 10.2 2.6 4000 1 22 304 13| 3.3 1.2 4.5| 78.0 -15.2 62.8 15.7 0.28| 8.1 2.3 5000 3 24 312 13| 3.0 0.9 3.9| 99.0 -19.0 80.0 16.0 0.30| 7.4 2.3 6000 5 25 318 13| 2.7 1.2 4.0|114.6 -31.2 83.3 13.9 0.27| 7.1 1.9 Wrote GIF file: /home/apache/climate/data/raob//CYCB/skewt/CYCB.skewt.20251217.00.gif