UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121812.upa.cvt Date: 1200Z 18 DEC 25 Searching for CYCB... Searching the city database file for: CYCB ... Date:1200Z 18 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 17 SFC 998 27 -33.7 -36.5 76 2.8 -33.8 270 9 239.6 239.6 239.4 240.0 0.17 2 992 70 -31.9 -34.5 78 2.6 -32.0 241.8 241.8 241.6 242.4 0.21 3 977 178 -31.5 -33.6 82 2.1 -31.6 243.3 243.3 243.1 243.9 0.23 4 972 215 -29.1 -31.4 80 2.3 -29.3 246.0 246.1 245.7 246.8 0.28 5 966 260 -28.7 -32.1 72 3.4 -28.9 246.9 246.9 246.5 247.6 0.27 6 955 343 -27.9 -29.5 86 1.6 -28.0 248.5 248.6 248.1 249.4 0.35 7 940 457 -27.1 -30.0 76 2.9 -27.3 250.4 250.5 249.8 251.4 0.34 8 925 574 -27.3 -30.3 76 3.0 -27.5 290 22 251.4 251.4 250.6 252.3 0.33 9 850 1183 -26.1 -34.1 47 8.0 -26.8 285 24 258.8 258.8 256.7 259.5 0.25 10 818 1460 -26.9 -34.9 47 8.0 -27.5 260.8 260.9 258.3 261.5 0.24 11 741 2168 -30.1 -33.3 74 3.2 -30.3 264.8 264.9 261.5 265.7 0.31 12 728 2294 -30.5 -35.5 62 5.0 -30.9 265.7 265.8 262.1 266.5 0.26 13 700 2573 -29.7 -37.7 46 8.0 -30.3 285 22 269.6 269.6 264.8 270.2 0.21 14 685 2727 -29.3 -41.3 30 12.0 -30.1 271.7 271.7 266.1 272.2 0.15 15 649 3111 -31.3 -40.3 41 9.0 -31.9 273.7 273.7 267.5 274.2 0.18 16 629 3333 -31.3 -44.3 27 13.0 -32.1 276.1 276.2 269.0 276.5 0.12 17 538 4421 -39.1 -45.1 53 6.0 -39.4 279.5 279.5 271.1 279.9 0.13 18 508 4812 -41.1 -51.1 33 10.0 -41.4 281.6 281.7 272.2 281.9 0.07 19 500 4920 -41.9 -50.9 37 9.0 -42.2 300 24 282.0 282.0 272.4 282.2 0.07 20 480 5196 -43.7 -50.7 46 7.0 -43.9 283.0 283.1 273.1 283.3 0.08 21 478 5224 -44.1 -48.0 65 3.9 -44.2 282.9 282.9 273.0 283.2 0.10 22 469 5352 -45.1 -48.0 73 2.9 -45.2 283.2 283.2 273.2 283.5 0.11 23 441 5761 -48.3 -53.0 58 4.7 -48.4 284.2 284.2 273.7 284.4 0.06 24 400 6400 -52.1 -55.7 65 3.6 -52.2 320 24 287.3 287.3 275.3 287.5 0.05 25 388 6596 -53.7 -56.3 73 2.6 -53.8 287.7 287.7 275.6 287.9 0.05 26 375 6815 -54.5 -59.2 56 4.7 -54.6 289.5 289.5 276.5 289.6 0.03 27 335 7529 -59.1 -63.1 60 4.0 -59.2 315 18 292.7 292.7 278.0 292.7 0.02 28 322 7777 -58.9 -63.9 52 5.0 -59.0 296.3 296.3 279.7 296.3 0.02 29 311 7994 -59.9 -64.0 59 4.1 -59.9 297.8 297.8 280.4 297.9 0.02 30 308 8055 -59.7 -63.1 64 3.4 -59.7 298.9 298.9 280.9 299.0 0.03 31 301 8199 -58.3 -71.3 17 13.0 -58.4 302.9 302.9 282.5 302.9 0.01 32 300 8220 -58.3 -71.3 17 13.0 -58.4 320 26 303.2 303.2 282.7 303.2 0.01 33 288 8477 -56.5 -73.5 10 17.0 -56.6 309.3 309.3 285.1 309.3 0.01 34 282 8610 -54.3 -75.3 6 21.0 -54.5 314.3 314.3 286.9 314.3 0.00 35 270 8888 -53.9 -75.9 5 22.0 -54.1 318.8 318.8 288.3 318.9 0.00 36 250 9380 -54.1 -78.1 4 24.0 -54.4 325 22 325.6 325.6 290.5 325.7 0.00 37 200 10820 -52.5 -81.5 2 29.0 -52.9 355 19 349.6 349.6 296.5 349.6 0.00 38 189 11187 -51.7 -81.7 2 30.0 -52.1 356.6 356.6 298.0 356.6 0.00 39 150 12680 -54.1 -84.1 1 30.0 -54.5 350 15 376.9 376.9 301.8 376.9 0.00 40 114 14429 -56.7 -85.7 1 29.0 -57.1 402.8 402.8 305.6 402.8 0.00 41 100 15260 -56.1 -86.1 1 30.0 -56.6 340 21 419.3 419.3 307.6 419.3 0.00 42 70 17510 -59.5 -87.5 1 28.0 -59.9 335 29 457.1 457.1 311.5 457.1 0.00 43 54 19123 -62.1 -89.1 2 27.0 -62.5 486.3 486.3 314.0 486.3 0.00 44 50 19600 -60.7 -88.7 1 28.0 -61.2 325 40 500.4 500.4 315.0 500.5 0.00 45 30 22800 -55.7 -87.7 1 32.0 -57.2 315 68 592.8 592.8 320.3 592.8 0.01 46 22 24771 -56.7 -88.7 1 32.0 -58.4 644.8 644.8 322.5 644.8 0.01 47 20 25380 -53.5 -86.5 1 33.0 -56.1 325 88 672.4 672.4 323.5 672.5 0.01 48 17 26418 -56.3 -88.3 1 32.0 -58.5 695.4 695.4 324.3 695.5 0.01 49 15 27217 -53.9 -87.9 1 34.0 -56.9 728.7 728.8 325.3 728.8 0.01 50 10 29800 -57.3 -89.3 1 32.0 -60.3 325 100 805.7 805.7 327.4 805.8 0.01 51 5.6 33434 -61.1 -91.1 1 30.0 -64.3 934.2 934.2 330.1 934.4 0.02 52 5.2 33896 -58.9 -89.9 1 31.0 -63.0 964.1 964.2 330.6 964.4 0.02 TRP 335 7529 -59.1 -63.1 60 4.0 -59.2 315 18 292.7 292.7 278.0 292.7 0.02 WND 5.0 325 128 Sounding variables and indices 1000-500 mb thick: 4903.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.05 inches Sfc-500 mean rel hum: 51.01 % Est. max temperature: -14.37 C = 6.13 F Sfc-Lift cond lev (LCL): 951.31 mb = 370.61 m = 1215.91 ft T: -27.70 C 700-500 lapse rate: 5.20 C/km Conv cond level (CCL): 998.00 mb = 27.00 m = 88.58 ft Mean mixing ratio: 0.30 g/kg Conv temperature: -30.74 C = -23.33 F Cap Strength: 26.67 C Lifted Index: 26.81 C Risk: None Lifted Index @300 mb: 38.18 C Lifted Index @700 mb: 18.50 C Showalter Index: 18.43 C Risk: None Total Totals Index: 23.60 C Risk: None Vertical Totals Index: 15.80 C Cross Totals Index: 7.80 C K Index: -26.30 Risk: None Sweat Index: 72.00 Risk: None Energy Index: 4.82 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 51.55 J/kg Max Up Vert Vel: 10.15 m/s Conv Inhibition (B-): 75769.88 J/kg Cap Strength: 26.77 C Lift Cond Lev (LCL): 903.63 mb = 742.31 m = 2435.38 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 5 42402 325 128 73.4 -104.9 1 998 27 270 9 9.0 -0.0 2 960 305 285 21 20.3 -5.4 3 925 574 290 22 20.7 -7.5 4 920 610 290 22 20.7 -7.5 5 882 914 285 25 24.1 -6.5 6 850 1183 285 24 23.2 -6.2 7 846 1219 285 24 23.2 -6.2 8 810 1524 290 27 25.4 -9.2 9 777 1829 290 22 20.7 -7.5 10 744 2134 285 24 23.2 -6.2 11 713 2438 275 21 20.9 -1.8 12 700 2573 285 22 21.3 -5.7 13 683 2743 285 20 19.3 -5.2 14 626 3353 300 17 14.7 -8.5 15 599 3658 295 15 13.6 -6.3 16 574 3962 295 17 15.4 -7.2 17 549 4267 305 16 13.1 -9.2 18 503 4877 300 22 19.1 -11.0 19 500 4920 300 24 20.8 -12.0 20 419 6096 320 26 16.7 -19.9 21 400 6400 320 24 15.4 -18.4 22 381 6706 330 21 10.5 -18.2 23 335 7529 315 18 12.7 -12.7 24 330 7620 315 17 12.0 -12.0 25 314 7925 335 22 9.3 -19.9 26 300 8220 320 26 16.7 -19.9 27 300 8230 320 24 15.4 -18.4 28 286 8534 330 17 8.5 -14.7 29 272 8839 335 19 8.0 -17.2 30 259 9144 350 17 3.0 -16.7 31 250 9380 325 22 12.6 -18.0 32 247 9449 330 17 8.5 -14.7 33 236 9754 325 20 11.5 -16.4 34 215 10363 350 18 3.1 -17.7 35 205 10668 325 15 8.6 -12.3 36 200 10820 355 19 1.7 -18.9 37 178 11582 360 15 -0.0 -15.0 38 170 11887 355 16 1.4 -15.9 39 154 12497 340 15 5.1 -14.1 40 150 12680 350 15 2.6 -14.8 41 140 13106 355 17 1.5 -16.9 42 134 13411 330 17 8.5 -14.7 43 127 13716 330 13 6.5 -11.3 44 122 14021 300 14 12.1 -7.0 45 116 14326 345 21 5.4 -20.3 46 110 14630 345 20 5.2 -19.3 47 105 14935 10 15 -2.6 -14.8 48 100 15240 330 22 11.0 -19.1 49 100 15260 340 21 7.2 -19.7 50 96 15545 330 18 9.0 -15.6 51 87 16154 355 24 2.1 -23.9 52 83 16459 325 19 10.9 -15.6 53 79 16764 355 25 2.2 -24.9 54 75 17069 325 24 13.8 -19.7 55 70 17510 335 29 12.3 -26.3 56 68 17678 340 30 10.3 -28.2 57 62 18288 330 26 13.0 -22.5 58 59 18593 310 28 21.4 -18.0 59 51 19507 340 35 12.0 -32.9 60 50 19600 325 40 22.9 -32.8 61 46 20117 315 37 26.2 -26.2 62 42 20726 335 46 19.4 -41.7 63 40 21031 325 43 24.7 -35.2 64 38 21336 315 60 42.4 -42.4 65 34 21946 320 52 33.4 -39.8 66 33 22250 330 60 30.0 -52.0 67 30 22800 315 68 48.1 -48.1 68 30 22860 310 65 49.8 -41.8 69 25 24079 315 83 58.7 -58.7 70 22 24689 325 96 55.1 -78.6 71 21 24994 330 88 44.0 -76.2 72 20 25380 325 88 50.5 -72.1 73 19 25603 325 86 49.3 -70.4 74 16 26822 330 101 50.5 -87.5 75 15 27127 325 84 48.2 -68.8 76 14 27432 315 90 63.6 -63.6 77 14 27737 315 85 60.1 -60.1 78 11 28956 320 114 73.3 -87.3 79 10 29800 325 100 57.4 -81.9 80 10 29870 325 92 52.8 -75.4 Wind Parameters Energy-Hel index: -3.22 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//CYCB/skewt/CYCB.skewt.20251218.12.gif