UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120712.upa.cvt Date: 1200Z 7 DEC 25 Searching for CYCB... Searching the city database file for: CYCB ... Date:1200Z 7 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 ------------------------------------------------------------------------------- SFC 1012 27 -26.9 -29.9 76 3.0 -27.1 310 20 245.4 245.5 245.2 246.3 0.32 1 1000 117 -27.3 -30.3 76 3.0 -27.5 320 22 245.9 245.9 245.6 246.7 0.31 2 948 504 -24.3 -26.6 81 2.3 -24.5 330 17 252.7 252.8 252.0 253.9 0.46 3 928 659 -24.9 -27.2 81 2.3 -25.1 317 17 253.6 253.7 252.8 254.8 0.44 4 925 683 -24.5 -26.6 83 2.1 -24.7 315 17 254.3 254.3 253.4 255.5 0.47 5 880 1049 -21.7 -23.7 84 2.0 -22.0 355 11 260.8 260.9 259.2 262.6 0.64 6 859 1227 -22.1 -23.6 88 1.5 -22.3 21 9 262.2 262.3 260.3 264.1 0.66 7 850 1304 -22.5 -24.3 85 1.8 -22.7 30 8 262.6 262.7 260.5 264.3 0.63 8 833 1452 -22.9 -25.1 82 2.2 -23.2 47 9 263.7 263.8 261.3 265.4 0.60 9 766 2062 -26.7 -30.2 72 3.5 -27.1 354 7 266.0 266.0 262.6 267.2 0.41 10 700 2708 -30.3 -32.6 80 2.3 -30.5 5 12 268.9 269.0 264.6 270.0 0.35 11 698 2728 -30.3 -32.0 85 1.7 -30.4 5 12 269.2 269.2 264.8 270.3 0.37 12 693 2780 -30.7 -34.2 71 3.5 -31.0 3 12 269.3 269.3 264.7 270.2 0.30 13 670 3019 -32.3 -34.5 81 2.2 -32.5 352 14 270.1 270.1 265.3 271.0 0.31 14 663 3093 -32.9 -36.7 69 3.8 -33.1 351 14 270.2 270.3 265.3 271.0 0.25 15 637 3373 -35.1 -36.0 91 0.9 -35.1 360 15 270.8 270.9 265.8 271.7 0.28 16 635 3395 -35.5 -37.0 86 1.5 -35.6 359 15 270.6 270.7 265.6 271.4 0.25 17 632 3428 -35.3 -49.3 23 14.0 -35.8 358 16 271.2 271.2 265.6 271.4 0.07 18 626 3495 -35.7 -46.7 31 11.0 -36.2 356 16 271.5 271.5 265.8 271.8 0.09 19 619 3573 -35.9 -50.9 20 15.0 -36.5 353 17 272.1 272.1 266.3 272.3 0.06 20 563 4225 -41.3 -53.3 26 12.0 -41.6 346 22 273.3 273.3 267.0 273.4 0.05 21 522 4734 -45.7 -51.7 51 6.0 -45.9 334 23 273.9 273.9 267.4 274.1 0.06 22 518 4785 -46.1 -52.1 51 6.0 -46.3 332 23 274.0 274.1 267.5 274.2 0.06 23 509 4902 -46.7 -48.6 81 1.9 -46.7 329 24 274.7 274.7 268.0 275.0 0.09 24 505 4954 -46.9 -51.3 61 4.4 -47.0 325 26 275.1 275.1 268.2 275.3 0.07 25 500 5020 -47.5 -51.2 66 3.7 -47.6 320 29 275.1 275.1 268.2 275.4 0.07 26 493 5113 -48.1 -51.0 72 2.9 -48.1 320 29 275.5 275.5 268.5 275.7 0.07 27 486 5207 -48.5 -56.5 39 8.0 -48.7 321 29 276.1 276.1 268.8 276.3 0.04 28 446 5768 -51.7 -57.7 49 6.0 -51.8 325 33 279.0 279.0 270.6 279.1 0.04 29 434 5945 -52.5 -61.5 33 9.0 -52.6 325 31 280.1 280.1 271.3 280.2 0.02 30 424 6095 -53.1 -62.1 33 9.0 -53.2 325 29 281.3 281.3 271.9 281.3 0.02 31 404 6406 -53.9 -61.9 37 8.0 -54.0 330 27 284.1 284.1 273.6 284.2 0.02 32 400 6470 -53.9 -61.9 37 8.0 -54.0 330 29 284.9 284.9 274.0 285.0 0.02 33 360 7145 -53.5 -67.5 17 14.0 -53.7 353 22 294.2 294.2 278.7 294.2 0.01 34 312 8059 -54.9 -72.9 9 18.0 -55.1 326 15 304.5 304.5 283.2 304.6 0.01 35 300 8310 -53.7 -73.7 7 20.0 -53.9 350 17 309.7 309.7 285.2 309.7 0.01 36 288 8573 -51.1 -75.1 4 24.0 -51.4 347 18 317.0 317.0 287.8 317.0 0.00 37 276 8849 -51.9 -75.9 4 24.0 -52.2 325 19 319.7 319.7 288.6 319.7 0.00 38 256 9336 -51.9 -78.9 3 27.0 -52.2 333 17 326.7 326.7 290.7 326.7 0.00 39 251 9464 -50.5 -78.5 2 28.0 -50.9 342 18 330.6 330.6 291.9 330.6 0.00 40 250 9490 -50.7 -78.7 2 28.0 -51.1 355 19 330.7 330.7 291.9 330.7 0.00 41 207 10717 -50.9 -80.9 2 30.0 -51.3 350 12 348.7 348.7 296.4 348.7 0.00 42 200 10940 -51.5 -80.5 2 29.0 -51.9 15 7 351.2 351.2 296.9 351.2 0.00 43 180 11621 -53.1 -82.1 2 29.0 -53.5 358 12 359.3 359.3 298.6 359.4 0.00 44 159 12423 -51.7 -82.7 1 31.0 -52.2 343 13 374.7 374.7 301.4 374.7 0.00 45 150 12800 -52.5 -82.5 1 30.0 -53.0 5 17 379.6 379.6 302.2 379.6 0.00 46 100 15410 -55.7 -84.7 1 29.0 -56.2 350 9 420.1 420.1 307.7 420.1 0.00 47 90 16076 -57.1 -85.1 2 28.0 -57.6 356 20 430.2 430.2 308.9 430.2 0.00 48 70 17670 -54.3 -85.3 1 31.0 -55.1 345 26 468.2 468.2 312.5 468.2 0.00 49 61 18554 -55.3 -85.3 1 30.0 -56.1 354 28 484.8 484.8 313.8 484.8 0.00 50 50 19840 -50.7 -84.7 1 34.0 -52.3 345 34 524.0 524.0 316.5 524.0 0.01 51 44 20674 -47.7 -83.7 1 36.0 -50.1 328 52 550.8 550.8 318.1 550.9 0.01 52 30 23170 -51.5 -85.5 1 34.0 -53.8 330 59 604.2 604.2 320.8 604.3 0.01 53 26 24096 -53.3 -86.3 1 33.0 -55.4 335 54 624.4 624.4 321.7 624.4 0.01 54 23 24894 -49.5 -85.5 1 36.0 -52.8 314 65 657.8 657.8 323.0 657.9 0.01 55 21 25485 -53.1 -86.1 1 33.0 -55.6 318 54 664.3 664.3 323.2 664.4 0.01 56 20 25800 -53.1 -86.1 1 33.0 -55.8 305 54 673.6 673.6 323.6 673.7 0.01 57 17 26845 -54.1 -87.1 1 33.0 -56.8 297 78 702.5 702.5 324.5 702.6 0.01 58 15 27653 -51.5 -86.5 1 35.0 -55.2 310 82 736.7 736.7 325.6 736.8 0.01 59 13 28579 -52.9 -87.0 1 34.1 -56.6 300 94 762.7 762.7 326.3 762.8 0.02 60 11 29653 -54.5 -87.5 1 33.0 -58.1 300 94 794.2 794.2 327.1 794.3 0.02 TRP 404 6406 -53.9 -61.9 37 8.0 -54.0 330 27 284.1 284.1 273.6 284.2 0.02 WND 13 28579 -52.9 -87.0 1 34.1 -56.6 300 94 762.7 762.7 326.3 762.8 0.02 Sounding variables and indices 1000-500 mb thick: 4903.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.07 inches Sfc-500 mean rel hum: 64.54 % Est. max temperature: -10.25 C = 13.55 F Sfc-Lift cond lev (LCL): 962.27 mb = 395.79 m = 1298.51 ft T: -25.14 C 700-500 lapse rate: 7.44 C/km Conv cond level (CCL): 682.94 mb = 2883.15 m = 9459.05 ft Mean mixing ratio: 0.41 g/kg Conv temperature: -2.62 C = 27.29 F Cap Strength: 19.23 C Lifted Index: 19.22 C Risk: None Lifted Index @300 mb: 41.08 C Lifted Index @700 mb: 15.79 C Showalter Index: 8.96 C Risk: None Total Totals Index: 48.20 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 25.00 C Cross Totals Index: 23.20 C K Index: -1.60 Risk: None Sweat Index: 45.00 Risk: None Energy Index: 2.33 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 38.44 J/kg Max Up Vert Vel: 8.77 m/s Conv Inhibition (B-): 78393.45 J/kg Cap Strength: 19.24 C Lift Cond Lev (LCL): 923.55 mb = 694.50 m = 2278.51 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 10 at 13 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 1012 27 310 20 15.3 -12.9 | 269 18 17.6 0.4 1 1000 117 320 22 14.1 -16.9 | 282 17 16.4 -3.6 2 974 305 350 20 3.5 -19.7 | 318 9 5.7 -6.4 3 934 610 320 16 10.3 -12.3 | 265 13 12.5 1.0 4 925 683 315 17 12.0 -12.0 | 265 14 14.3 1.3 5 896 914 335 13 5.5 -11.8 | 259 8 7.7 1.5 6 860 1219 20 9 -3.1 -8.5 | 170 5 -0.8 4.8 7 850 1304 30 8 -4.0 -6.9 | 165 7 -1.7 6.3 8 825 1524 55 10 -8.2 -5.7 | 142 10 -5.9 7.5 9 790 1829 50 6 -4.6 -3.9 | 166 10 -2.3 9.4 10 758 2134 335 8 3.4 -7.3 | 223 8 5.6 6.0 11 727 2438 350 10 1.7 -9.8 | 229 5 4.0 3.4 12 700 2708 5 12 -1.0 -12.0 | 222 2 1.2 1.3 13 696 2743 5 12 -1.0 -12.0 | 222 2 1.2 1.3 14 666 3048 350 14 2.4 -13.8 | 276 5 4.7 -0.5 15 637 3353 360 15 -0.0 -15.0 | 307 3 2.3 -1.7 16 610 3658 350 18 3.1 -17.7 | 310 7 5.4 -4.5 17 558 4267 345 22 5.7 -21.3 | 315 11 7.9 -8.0 18 511 4877 330 23 11.5 -19.9 | 296 15 13.8 -6.6 19 500 5020 320 29 18.6 -22.2 | 293 23 20.9 -8.9 20 488 5182 320 29 18.6 -22.2 | 293 23 20.9 -8.9 21 465 5486 330 29 14.5 -25.1 | 305 21 16.8 -11.8 22 444 5791 325 33 18.9 -27.0 | 303 25 21.2 -13.8 23 424 6096 325 29 16.6 -23.8 | 299 22 18.9 -10.5 24 404 6406 330 27 13.5 -23.4 | 303 19 15.8 -10.1 25 400 6470 330 29 14.5 -25.1 | 305 21 16.8 -11.8 26 386 6706 325 28 16.1 -22.9 | 298 21 18.3 -9.7 27 368 7010 355 23 2.0 -22.9 | 336 11 4.3 -9.6 28 334 7620 345 17 4.4 -16.4 | 295 7 6.7 -3.1 29 319 7925 315 11 7.8 -7.8 | 241 11 10.0 5.5 30 304 8230 340 21 7.2 -19.7 | 304 11 9.4 -6.5 31 300 8310 350 17 3.0 -16.7 | 304 6 5.2 -3.5 32 290 8534 350 18 3.1 -17.7 | 310 7 5.4 -4.5 33 276 8839 325 19 10.9 -15.6 | 280 13 13.2 -2.3 34 264 9144 330 17 8.5 -14.7 | 278 11 10.8 -1.4 35 252 9449 335 17 7.2 -15.4 | 283 10 9.4 -2.1 36 250 9490 355 19 1.7 -18.9 | 325 7 3.9 -5.7 37 240 9754 355 20 1.7 -19.9 | 329 8 4.0 -6.7 38 229 10058 5 11 -1.0 -11.0 | 209 3 1.3 2.3 39 219 10363 345 11 2.8 -10.6 | 243 6 5.1 2.6 40 209 10668 345 13 3.4 -12.6 | 263 6 5.6 0.7 41 200 10940 15 7 -1.8 -6.8 | 184 7 0.4 6.5 42 199 10973 5 10 -0.9 -10.0 | 203 4 1.4 3.3 43 190 11278 350 10 1.7 -9.8 | 229 5 4.0 3.4 44 173 11887 5 14 -1.2 -13.9 | 303 1 1.0 -0.7 45 157 12497 340 13 4.4 -12.2 | 261 7 6.7 1.1 46 150 12800 5 17 -1.5 -16.9 | 348 4 0.8 -3.7 47 150 12802 15 20 -5.2 -19.3 | 26 7 -2.9 -6.0 48 143 13106 25 12 -5.1 -10.9 | 130 4 -2.8 2.4 49 136 13411 355 12 1.0 -12.0 | 248 4 3.3 1.3 50 124 14021 10 15 -2.6 -14.8 | 13 2 -0.4 -1.5 51 118 14326 335 15 6.3 -13.6 | 272 9 8.6 -0.3 52 113 14630 355 19 1.7 -18.9 | 325 7 3.9 -5.7 53 108 14935 330 17 8.5 -14.7 | 278 11 10.8 -1.4 54 103 15240 360 13 -0.0 -13.0 | 263 2 2.3 0.3 55 100 15410 350 9 1.6 -8.9 | 221 6 3.8 4.4 56 98 15545 350 9 1.6 -8.9 | 221 6 3.8 4.4 57 93 15850 345 7 1.8 -6.8 | 212 8 4.1 6.5 58 89 16154 360 24 -0.0 -24.0 | 348 11 2.3 -10.7 59 85 16459 20 21 -7.2 -19.7 | 37 8 -4.9 -6.5 60 81 16764 25 15 -6.3 -13.6 | 85 4 -4.1 -0.3 61 77 17069 315 16 11.3 -11.3 | 262 14 13.6 2.0 62 70 17670 345 26 6.7 -25.1 | 323 15 9.0 -11.8 63 70 17678 360 22 -0.0 -22.0 | 346 9 2.3 -8.7 64 67 17983 340 27 9.2 -25.4 | 316 17 11.5 -12.1 65 61 18593 355 28 2.4 -27.9 | 342 15 4.7 -14.6 66 53 19507 330 37 18.5 -32.0 | 312 28 20.8 -18.8 67 50 19840 345 34 8.8 -32.8 | 331 22 11.1 -19.6 68 48 20117 340 33 11.3 -31.0 | 323 22 13.5 -17.7 69 46 20422 345 45 11.6 -43.5 | 335 33 13.9 -30.2 70 44 20726 325 53 30.4 -43.4 | 313 44 32.7 -30.1 71 40 21336 330 44 22.0 -38.1 | 316 35 24.3 -24.8 72 38 21641 345 39 10.1 -37.7 | 333 27 12.3 -24.4 73 33 22555 320 44 28.3 -33.7 | 304 37 30.5 -20.4 74 30 23170 330 59 29.5 -51.1 | 320 49 31.8 -37.8 75 27 23774 335 61 25.8 -55.3 | 326 51 28.0 -42.0 76 25 24384 335 47 19.9 -42.6 | 323 37 22.1 -29.3 77 23 24994 310 68 52.1 -43.7 | 299 62 54.3 -30.4 78 21 25603 320 50 32.1 -38.3 | 306 43 34.4 -25.0 79 20 25800 305 54 44.2 -31.0 | 291 50 46.5 -17.7 80 19 26213 300 54 46.8 -27.0 | 286 51 49.0 -13.7 81 16 27127 295 88 79.8 -37.2 | 286 85 82.0 -23.9 82 16 27432 310 83 63.6 -53.4 | 301 77 65.8 -40.1 83 14 28042 310 80 61.3 -51.4 | 301 74 63.5 -38.2 84 13 28579 300 94 81.4 -47.0 | 292 90 83.7 -33.7 85 10 28956 300 94 81.4 -47.0 | 292 90 83.7 -33.7 86 7 29566 295 85 77.0 -35.9 | 286 82 79.3 -22.6 Wind Parameters Mean winds (0-6000m): 339.6 at 18.0 knts Storm direction: 9.6 at 13.5 knts Shear (0-3000m) pos: 4.2 neg: 2.2 tot: 6.4 10-3/s Storm rel Dir Shear (0-3000m): 6.8 deg Storm rel helicity (0-3000m) pos: 66.8 neg: -40.3 tot: 26.5 m^2/s^2 ave: 8.8 10^-3 m/s^2 rel: 0.07 Storm rel vorticity (0-3000m) horiz: 11.7 stream: 0.8 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 34.38 Bulk Shear: 1.12 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 ------------------------------------------------------------------------------- 500 333 20 292 12| 6.7 0.0 6.7| 40.4 -16.4 24.1 48.1 0.21| 22.0 4.6 1000 330 17 280 11| 7.1 0.0 7.1| 40.4 -28.5 11.9 11.9 -0.01| 17.2 -0.2 1500 340 15 275 7| 8.4 0.0 8.4| 40.4 -40.1 0.4 0.3 -0.20| 15.5 -3.1 2000 349 13 263 5| 6.3 2.1 8.4| 58.3 -40.1 18.3 9.1 -0.02| 14.1 -0.2 2500 348 12 253 5| 5.0 2.1 7.2| 65.3 -40.1 25.2 10.1 0.05| 12.8 0.6 3000 350 12 253 5| 4.2 2.2 6.4| 66.8 -40.3 26.5 8.8 0.07| 11.7 0.8 4000 351 13 269 4| 3.1 2.2 5.4| 70.2 -40.4 29.8 7.5 0.10| 10.0 1.0 5000 346 15 285 6| 2.5 3.1 5.6| 70.7 -60.7 10.0 2.0 0.03| 9.5 0.3 6000 340 18 293 9| 2.4 2.7 5.1| 96.3 -73.4 23.0 3.8 0.05| 8.9 0.4 Wrote GIF file: /home/apache/climate/data/raob//CYCB/skewt/CYCB.skewt.20251207.12.gif