UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121712.upa.cvt Date: 1200Z 17 DEC 25 Searching for CYCB... Searching the city database file for: CYCB ... Date:1200Z 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 13 SFC 997 27 -32.7 -35.8 74 3.1 -32.9 320 14 240.7 240.7 240.5 241.1 0.18 2 973 201 -33.3 -35.9 77 2.6 -33.4 241.7 241.8 241.5 242.2 0.18 3 959 304 -31.5 -33.4 83 1.9 -31.6 244.6 244.6 244.3 245.2 0.24 4 950 373 -27.9 -30.5 78 2.6 -28.1 248.9 248.9 248.4 249.7 0.32 5 945 411 -27.5 -30.3 77 2.8 -27.7 249.7 249.7 249.1 250.5 0.33 6 925 567 -27.1 -31.1 69 4.0 -27.4 350 23 251.6 251.6 250.8 252.5 0.31 7 906 716 -27.9 -31.5 71 3.6 -28.2 252.3 252.3 251.3 253.1 0.30 8 852 1155 -30.1 -32.8 77 2.7 -30.3 254.4 254.5 253.2 255.2 0.28 9 850 1172 -29.9 -32.9 75 3.0 -30.1 350 16 254.8 254.9 253.5 255.6 0.28 10 812 1498 -29.9 -32.1 81 2.2 -30.1 258.2 258.2 256.4 259.1 0.32 11 794 1658 -30.3 -32.7 79 2.4 -30.5 259.4 259.5 257.3 260.3 0.31 12 777 1812 -29.7 -33.8 67 4.1 -30.0 261.7 261.7 259.0 262.5 0.28 13 718 2372 -32.5 -34.5 82 2.0 -32.6 264.6 264.6 261.3 265.4 0.29 14 700 2551 -33.1 -36.2 74 3.1 -33.3 5 17 265.8 265.9 262.2 266.6 0.25 15 629 3297 -37.3 -41.5 65 4.2 -37.5 269.3 269.3 264.5 269.8 0.16 16 606 3554 -39.5 -43.3 67 3.8 -39.6 269.6 269.7 264.7 270.1 0.14 17 602 3599 -39.3 -42.2 74 2.9 -39.4 270.4 270.4 265.2 270.9 0.16 18 596 3668 -39.3 -45.3 53 6.0 -39.5 271.2 271.2 265.7 271.5 0.11 19 588 3760 -40.1 -43.2 72 3.1 -40.2 271.3 271.3 265.8 271.7 0.14 20 544 4290 -42.1 -52.1 33 10.0 -42.4 275.0 275.0 268.1 275.2 0.06 21 538 4365 -42.3 -46.4 64 4.1 -42.5 275.6 275.6 268.7 276.0 0.11 22 534 4415 -42.3 -54.3 26 12.0 -42.6 276.2 276.2 268.9 276.4 0.04 23 528 4492 -42.5 -47.1 61 4.6 -42.7 276.9 276.9 269.4 277.2 0.10 24 522 4569 -42.5 -50.5 41 8.0 -42.8 277.8 277.8 269.9 278.0 0.07 25 517 4634 -42.5 -48.5 52 6.0 -42.7 278.5 278.6 270.4 278.8 0.09 26 500 4860 -42.9 -50.9 41 8.0 -43.2 15 16 280.7 280.7 271.7 281.0 0.07 27 498 4887 -43.1 -51.1 41 8.0 -43.3 280.8 280.8 271.8 281.0 0.07 28 491 4982 -43.3 -50.3 46 7.0 -43.5 281.7 281.7 272.3 282.0 0.08 29 458 5445 -46.7 -50.7 64 4.0 -46.8 283.1 283.1 273.1 283.4 0.08 30 446 5620 -47.5 -54.5 44 7.0 -47.7 284.3 284.3 273.7 284.4 0.05 31 441 5694 -48.1 -51.9 65 3.8 -48.2 284.4 284.4 273.8 284.7 0.07 32 430 5859 -49.3 -57.3 39 8.0 -49.4 285.0 285.0 274.0 285.1 0.04 33 426 5920 -49.5 -55.5 49 6.0 -49.6 285.5 285.5 274.3 285.6 0.05 34 402 6298 -50.7 -60.7 30 10.0 -50.8 288.7 288.7 276.0 288.8 0.03 35 400 6330 -50.9 -59.9 34 9.0 -51.1 355 18 288.8 288.8 276.1 288.9 0.03 36 388 6528 -52.3 -59.3 43 7.0 -52.4 289.5 289.5 276.5 289.6 0.03 37 373 6782 -53.1 -63.1 29 10.0 -53.2 291.8 291.8 277.6 291.8 0.02 38 358 7046 -54.3 -60.3 48 6.0 -54.4 293.6 293.6 278.5 293.7 0.03 39 350 7190 -55.1 -66.1 24 11.0 -55.2 294.4 294.4 278.9 294.5 0.02 40 337 7431 -56.5 -63.5 41 7.0 -56.6 295.7 295.7 279.4 295.8 0.02 41 319 7779 -57.5 -66.5 31 9.0 -57.6 360 20 299.0 299.0 280.9 299.1 0.02 42 302 8127 -54.1 -72.1 9 18.0 -54.3 308.5 308.5 284.8 308.5 0.01 43 300 8170 -54.3 -72.3 9 18.0 -54.5 355 23 308.8 308.8 284.9 308.8 0.01 44 296 8256 -54.7 -71.7 11 17.0 -54.9 309.4 309.4 285.1 309.5 0.01 45 285 8499 -52.7 -73.7 6 21.0 -52.9 315.7 315.7 287.3 315.7 0.01 46 271 8822 -54.3 -75.3 6 21.0 -54.5 317.9 317.9 288.1 317.9 0.01 47 250 9340 -52.9 -76.9 4 24.0 -53.2 335 25 327.4 327.4 291.0 327.4 0.00 48 217 10260 -51.7 -79.7 2 28.0 -52.1 342.8 342.8 295.0 342.8 0.00 49 205 10629 -52.5 -80.5 2 28.0 -52.9 347.2 347.2 296.0 347.2 0.00 50 200 10790 -51.1 -80.1 2 29.0 -51.5 345 27 351.8 351.8 297.0 351.9 0.00 51 198 10855 -50.9 -79.9 2 29.0 -51.4 353.2 353.2 297.3 353.2 0.00 52 165 12035 -53.5 -82.5 2 29.0 -53.9 367.7 367.7 300.2 367.7 0.00 53 155 12438 -52.1 -82.1 2 30.0 -52.6 376.8 376.8 301.7 376.8 0.00 54 150 12650 -52.9 -81.9 2 29.0 -53.4 325 23 378.9 378.9 302.1 378.9 0.00 55 143 12956 -54.3 -83.3 2 29.0 -54.7 381.7 381.7 302.5 381.7 0.00 56 137 13232 -52.7 -82.7 1 30.0 -53.2 389.2 389.2 303.7 389.2 0.00 57 112 14525 -54.3 -83.3 2 29.0 -54.8 409.3 409.3 306.4 409.3 0.00 58 108 14758 -53.3 -83.3 1 30.0 -53.9 415.5 415.5 307.2 415.5 0.00 59 100 15250 -55.5 -84.5 2 29.0 -56.0 330 34 420.5 420.5 307.8 420.5 0.00 60 93 15714 -52.9 -83.9 1 31.0 -53.7 434.4 434.4 309.3 434.5 0.00 61 80 16678 -55.5 -84.5 2 29.0 -56.1 448.2 448.2 310.7 448.2 0.00 62 70 17530 -54.1 -84.1 1 30.0 -54.9 315 39 468.6 468.6 312.5 468.7 0.00 63 56 18960 -55.1 -85.1 1 30.0 -56.0 497.2 497.3 314.8 497.3 0.01 64 50 19690 -52.1 -84.1 1 32.0 -53.5 325 67 520.7 520.7 316.4 520.7 0.01 65 45 20371 -51.3 -83.3 1 32.0 -52.9 538.6 538.6 317.5 538.6 0.01 66 30 22990 -52.9 -84.9 1 32.0 -54.9 325 90 600.4 600.4 320.6 600.5 0.01 67 22 24988 -52.7 -85.7 1 33.0 -55.2 656.7 656.7 322.9 656.8 0.01 68 20 25600 -54.1 -85.1 1 31.0 -56.5 320 105 670.6 670.6 323.4 670.7 0.01 69 14 27866 -57.5 -87.5 1 30.0 -59.8 731.1 731.1 325.4 731.2 0.01 70 11 29401 -53.5 -86.5 1 33.0 -57.4 797.8 797.8 327.2 798.0 0.02 71 10 30010 -56.1 -87.1 1 31.0 -59.5 335 127 810.1 810.1 327.5 810.3 0.02 72 7.9 31509 -56.1 -88.1 1 32.0 -60.0 866.6 866.7 328.8 866.8 0.02 73 7.1 32194 -52.1 -86.1 1 34.0 -57.9 910.0 910.0 329.6 910.3 0.03 74 6.1 33175 -52.9 -85.9 1 33.0 -58.9 946.9 946.9 330.3 947.3 0.04 TRP 319 7779 -57.5 -66.5 31 9.0 -57.6 360 20 299.0 299.0 280.9 299.1 0.02 WND 6.0 340 145 Sounding variables and indices 1000-500 mb thick: 4847.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.05 inches Sfc-500 mean rel hum: 67.55 % Est. max temperature: -18.29 C = -0.92 F Sfc-Lift cond lev (LCL): 945.60 mb = 406.31 m = 1333.02 ft T: -27.55 C 700-500 lapse rate: 4.24 C/km ThetaE index: 0.00 C Layer 997.0--1683439933030020205612275597312.0 mb Conv cond level (CCL): 997.00 mb = 27.00 m = 88.58 ft Mean mixing ratio: 0.26 g/kg Conv temperature: -31.91 C = -25.44 F Cap Strength: 25.16 C Lifted Index: 26.75 C Risk: None Lifted Index @300 mb: 43.00 C Lifted Index @700 mb: 16.10 C Showalter Index: 20.65 C Risk: None Total Totals Index: 23.00 C Risk: None Vertical Totals Index: 13.00 C Cross Totals Index: 10.00 C K Index: -23.00 Risk: None Sweat Index: 48.00 Risk: None Energy Index: 5.36 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 63.99 J/kg Max Up Vert Vel: 11.31 m/s Conv Inhibition (B-): 82692.88 J/kg Cap Strength: 26.61 C Lift Cond Lev (LCL): 901.55 mb = 751.40 m = 2465.20 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 6 40935 340 145 49.6 -136.3 1 997 27 320 14 9.0 -10.7 2 959 305 360 22 -0.0 -22.0 3 925 567 350 23 4.0 -22.7 4 920 610 345 23 6.0 -22.2 5 881 914 350 21 3.6 -20.7 6 850 1172 350 16 2.8 -15.8 7 844 1219 350 16 2.8 -15.8 8 809 1524 350 18 3.1 -17.7 9 775 1829 5 12 -1.0 -12.0 10 742 2134 20 13 -4.4 -12.2 11 711 2438 10 16 -2.8 -15.8 12 700 2551 5 17 -1.5 -16.9 13 681 2743 355 17 1.5 -16.9 14 651 3048 345 17 4.4 -16.4 15 623 3353 30 18 -9.0 -15.6 16 596 3658 30 18 -9.0 -15.6 17 570 3962 45 10 -7.1 -7.1 18 545 4267 15 14 -3.6 -13.5 19 521 4572 5 15 -1.3 -14.9 20 500 4860 15 16 -4.1 -15.5 21 499 4877 20 16 -5.5 -15.0 22 476 5182 350 17 3.0 -16.7 23 434 5791 355 19 1.7 -18.9 24 414 6096 10 17 -3.0 -16.7 25 400 6330 355 18 1.6 -17.9 26 396 6401 355 17 1.5 -16.9 27 360 7010 360 19 -0.0 -19.0 28 343 7315 335 19 8.0 -17.2 29 327 7620 345 20 5.2 -19.3 30 319 7779 360 20 -0.0 -20.0 31 312 7925 5 21 -1.8 -20.9 32 300 8170 355 23 2.0 -22.9 33 270 8839 350 27 4.7 -26.6 34 258 9144 345 13 3.4 -12.6 35 250 9340 335 25 10.6 -22.7 36 246 9449 335 25 10.6 -22.7 37 235 9754 320 21 13.5 -16.1 38 214 10363 350 21 3.6 -20.7 39 204 10668 340 29 9.9 -27.3 40 200 10790 345 27 7.0 -26.1 41 169 11887 355 17 1.5 -16.9 42 161 12192 345 24 6.2 -23.2 43 154 12497 315 24 17.0 -17.0 44 150 12650 325 23 13.2 -18.8 45 140 13106 330 28 14.0 -24.2 46 127 13716 325 22 12.6 -18.0 47 121 14021 335 24 10.1 -21.8 48 105 14935 315 30 21.2 -21.2 49 100 15240 325 31 17.8 -25.4 50 100 15250 330 34 17.0 -29.4 51 95 15545 340 32 10.9 -30.1 52 91 15850 325 28 16.1 -22.9 53 79 16764 320 32 20.6 -24.5 54 75 17069 330 36 18.0 -31.2 55 70 17530 315 39 27.6 -27.6 56 68 17678 310 32 24.5 -20.6 57 62 18288 325 47 27.0 -38.5 58 54 19202 310 59 45.2 -37.9 59 51 19507 325 56 32.1 -45.9 60 50 19690 325 67 38.4 -54.9 61 45 20422 315 79 55.9 -55.9 62 39 21336 325 70 40.2 -57.3 63 37 21641 325 82 47.0 -67.2 64 34 22250 320 73 46.9 -55.9 65 31 22860 320 96 61.7 -73.5 66 30 22990 325 90 51.6 -73.7 67 28 23470 325 90 51.6 -73.7 68 27 23774 320 107 68.8 -82.0 69 20 25600 320 105 67.5 -80.4 70 20 25603 325 87 49.9 -71.3 71 16 27127 330 128 64.0 -110.9 72 15 27432 330 122 61.0 -105.7 73 14 28042 325 115 66.0 -94.2 74 10 30010 335 127 53.7 -115.1 Wind Parameters Energy-Hel index: -4.00 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.20251217.12.gif