UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025122112.upa.cvt Date: 1200Z 21 DEC 25 Searching for CYEV... Searching the city database file for: CYEV ... Date:1200Z 21 DEC 25 Station: CYEV WMO ident: 71957 Latitude: 68.30 Longitude: -133.48 Elevation: 68.00 ------------------------------------------------------------------------------- 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 1018 68 -21.5 -24.0 80 2.5 -21.8 285 5 250.4 250.5 250.2 251.8 0.54 1 1000 231 -22.5 -24.6 83 2.1 -22.7 300 15 250.6 250.7 250.4 252.0 0.52 2 969 461 -24.1 -25.5 88 1.4 -24.2 313 26 251.3 251.4 250.9 252.6 0.50 3 953 583 -21.1 -27.1 58 6.0 -21.8 323 31 255.5 255.6 254.4 256.8 0.43 4 935 724 -21.7 -28.7 53 7.0 -22.4 325 33 256.3 256.4 254.9 257.4 0.38 5 925 803 -22.1 -27.1 64 5.0 -22.7 325 34 256.7 256.8 255.4 258.0 0.45 6 900 1004 -22.5 -24.5 84 2.0 -22.7 331 32 258.3 258.4 257.1 259.9 0.58 7 863 1311 -24.7 -25.1 96 0.4 -24.8 337 32 259.1 259.2 257.7 260.7 0.58 8 851 1412 -25.3 -27.9 79 2.6 -25.6 340 33 259.6 259.6 257.8 260.8 0.45 9 850 1421 -25.3 -27.8 80 2.5 -25.6 340 33 259.6 259.7 257.8 260.9 0.46 10 840 1507 -26.1 -27.7 86 1.6 -26.3 342 33 259.7 259.8 257.9 261.0 0.47 11 836 1541 -25.9 -29.9 69 4.0 -26.3 343 32 260.2 260.3 258.2 261.3 0.38 12 826 1628 -25.7 -28.2 79 2.5 -25.9 345 32 261.4 261.4 259.2 262.6 0.45 13 810 1770 -26.1 -30.2 68 4.1 -26.5 349 31 262.4 262.5 259.9 263.5 0.38 14 787 1978 -26.5 -30.1 72 3.6 -26.9 355 33 264.1 264.2 261.2 265.3 0.40 15 779 2052 -26.7 -32.7 57 6.0 -27.2 357 35 264.7 264.7 261.5 265.6 0.31 16 737 2451 -28.3 -37.3 42 9.0 -29.0 355 40 267.2 267.2 263.1 267.8 0.21 17 731 2509 -28.1 -44.1 20 16.0 -29.0 357 38 268.0 268.0 263.4 268.4 0.10 18 720 2618 -28.5 -42.5 25 14.0 -29.4 1 36 268.7 268.8 264.0 269.1 0.13 19 714 2678 -28.7 -36.7 46 8.0 -29.3 3 35 269.2 269.2 264.6 269.9 0.23 20 711 2708 -28.9 -36.9 46 8.0 -29.5 4 34 269.3 269.3 264.6 270.0 0.23 21 708 2739 -28.7 -28.7 100 0.0 -28.7 5 33 269.8 269.9 265.6 271.3 0.50 22 700 2820 -28.1 -28.4 97 0.3 -28.1 5 34 271.4 271.5 266.6 272.9 0.53 23 657 3274 -29.5 -29.7 98 0.2 -29.5 11 29 274.8 274.8 268.8 276.2 0.50 24 645 3406 -27.9 -30.0 82 2.1 -28.1 19 28 278.0 278.1 270.8 279.5 0.49 25 638 3484 -27.7 -35.7 46 8.0 -28.5 25 28 279.1 279.2 271.1 280.0 0.29 26 635 3518 -27.9 -38.9 34 11.0 -28.8 28 27 279.3 279.3 271.1 279.9 0.21 27 622 3666 -28.3 -52.3 8 24.0 -29.6 40 27 280.5 280.5 271.5 280.6 0.05 28 512 5045 -34.5 -61.5 5 27.0 -35.4 45 33 289.0 289.0 276.2 289.1 0.02 29 500 5210 -35.5 -55.5 11 20.0 -36.3 60 33 289.8 289.8 276.6 289.9 0.04 30 430 6244 -43.1 -62.1 11 19.0 -43.5 50 44 292.9 292.9 278.1 292.9 0.02 31 413 6516 -43.9 -50.9 46 7.0 -44.2 50 46 295.2 295.2 279.3 295.5 0.09 32 400 6730 -45.7 -51.7 51 6.0 -45.9 45 49 295.6 295.6 279.5 295.9 0.08 33 398 6763 -45.9 -51.9 51 6.0 -46.1 45 49 295.8 295.8 279.6 296.0 0.08 34 370 7245 -48.3 -55.3 44 7.0 -48.5 45 55 298.8 298.8 280.9 299.0 0.06 35 365 7334 -48.3 -66.3 11 18.0 -48.6 45 56 300.0 300.0 281.3 300.0 0.01 36 360 7425 -48.7 -65.7 12 17.0 -49.0 45 58 300.6 300.6 281.6 300.7 0.02 37 322 8149 -53.5 -68.0 15 14.6 -53.7 40 65 303.8 303.8 282.9 303.8 0.01 38 300 8600 -56.5 -69.5 18 13.0 -56.6 45 63 305.7 305.7 283.7 305.7 0.01 39 294 8728 -57.7 -68.7 23 11.0 -57.8 45 62 305.8 305.8 283.7 305.8 0.01 40 258 9544 -60.7 -71.7 22 11.0 -60.8 40 63 313.0 313.0 286.4 313.0 0.01 41 250 9740 -60.3 -71.3 22 11.0 -60.4 40 57 316.4 316.4 287.6 316.5 0.01 42 233 10178 -61.5 -73.5 19 12.0 -61.6 40 54 321.0 321.0 289.0 321.1 0.01 43 207 10915 -60.1 -78.1 8 18.0 -60.2 32 47 334.3 334.3 292.9 334.3 0.00 44 200 11130 -60.5 -79.5 7 19.0 -60.6 30 46 337.0 337.0 293.6 337.0 0.00 45 197 11224 -61.1 -81.1 5 20.0 -61.2 28 46 337.5 337.5 293.7 337.5 0.00 46 172 12076 -56.7 -82.7 2 26.0 -57.0 18 46 358.1 358.1 298.3 358.1 0.00 47 152 12857 -58.5 -84.5 2 26.0 -58.7 21 36 367.9 367.9 300.2 367.9 0.00 48 150 12940 -58.1 -84.1 2 26.0 -58.3 20 35 370.0 370.0 300.5 370.0 0.00 49 135 13605 -56.1 -84.1 2 28.0 -56.5 352 35 384.8 384.8 303.0 384.9 0.00 50 100 15490 -60.3 -86.3 2 26.0 -60.6 350 32 411.2 411.2 306.7 411.2 0.00 51 95 15808 -61.3 -87.3 2 26.0 -61.6 350 32 415.3 415.3 307.2 415.3 0.00 52 82 16724 -58.9 -86.9 2 28.0 -59.3 343 47 438.1 438.1 309.7 438.1 0.00 53 72 17535 -60.5 -87.5 2 27.0 -60.9 336 61 451.3 451.3 311.0 451.3 0.00 54 70 17710 -60.1 -88.1 1 28.0 -60.5 335 58 455.8 455.8 311.4 455.8 0.00 55 58 18892 -57.1 -87.1 1 30.0 -57.8 335 56 487.8 487.8 314.1 487.8 0.00 56 50 19830 -58.1 -88.1 1 30.0 -58.8 340 64 506.6 506.6 315.4 506.6 0.00 57 40 21227 -60.3 -89.3 1 29.0 -61.0 326 67 534.4 534.4 317.2 534.4 0.00 58 30 23030 -57.9 -88.9 1 31.0 -59.0 330 100 586.8 586.8 320.0 586.8 0.00 59 29 23244 -56.9 -87.9 1 31.0 -58.2 330 101 595.3 595.3 320.4 595.3 0.01 60 26 23931 -59.5 -88.5 1 29.0 -60.6 330 97 606.8 606.8 320.9 606.8 0.01 61 21 25272 -57.5 -88.5 1 31.0 -59.2 330 111 651.0 651.0 322.7 651.1 0.01 62 20 25580 -57.7 -88.7 1 31.0 -59.4 330 116 659.6 659.6 323.0 659.6 0.01 63 16 26979 -60.5 -89.5 1 29.0 -62.0 327 121 693.9 693.9 324.2 693.9 0.01 64 11 29336 -56.3 -88.3 1 32.0 -59.4 333 158 787.6 787.6 327.0 787.7 0.01 65 10 29940 -57.3 -88.3 1 31.0 -60.3 335 161 805.7 805.7 327.4 805.8 0.02 66 8.9 30675 -58.1 -89.1 1 31.0 -61.2 829.9 829.9 328.0 830.0 0.02 67 6.8 32405 -49.3 -85.3 1 36.0 -56.5 933.0 933.0 330.1 933.4 0.04 68 6.3 32905 -50.5 -86.5 1 36.0 -57.4 948.4 948.5 330.3 948.8 0.03 69 5.6 33685 -43.5 -83.5 0 40.0 -54.6 1011.8 1011.8 331.4 1012.5 0.07 70 5.4 33929 -44.7 -82.7 1 38.0 -55.2 1017.0 1017.1 331.5 1017.9 0.08 TRP 258 9544 -60.7 -71.7 22 11.0 -60.8 40 63 313.0 313.0 286.4 313.0 0.01 WND 322 8149 -53.5 -68.0 15 14.6 -53.7 40 65 303.8 303.8 282.9 303.8 0.01 Sounding variables and indices 1000-500 mb thick: 4979.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.07 inches Sfc-500 mean rel hum: 51.23 % Est. max temperature: -12.79 C = 8.97 F Sfc-Lift cond lev (LCL): 976.70 mb = 403.39 m = 1323.43 ft T: -23.70 C 700-500 lapse rate: 3.10 C/km Conv cond level (CCL): 554.75 mb = 4476.66 m = 14687.04 ft Mean mixing ratio: 0.47 g/kg Conv temperature: 13.79 C = 56.82 F Cap Strength: 28.53 C Lifted Index: 28.93 C Risk: None Lifted Index @300 mb: 36.29 C Lifted Index @700 mb: 15.53 C Showalter Index: 23.72 C Risk: None Total Totals Index: 17.90 C Risk: None Vertical Totals Index: 10.20 C Cross Totals Index: 7.70 C K Index: -17.90 Risk: None Sweat Index: 99.00 Risk: None Energy Index: 6.14 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 37.45 J/kg Max Up Vert Vel: 8.66 m/s Conv Inhibition (B-): 80267.52 J/kg Cap Strength: 28.93 C Lift Cond Lev (LCL): 910.00 mb = 923.02 m = 3028.26 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 44 at 23 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 1018 68 285 5 4.8 -1.3 | 234 26 20.8 15.3 1 1000 231 300 15 13.0 -7.5 | 253 30 29.0 9.1 2 990 305 300 20 17.3 -10.0 | 259 34 33.3 6.6 3 950 610 325 32 18.4 -26.2 | 286 36 34.3 -9.6 4 925 803 325 34 19.5 -27.9 | 288 37 35.5 -11.3 5 911 914 330 32 16.0 -27.7 | 289 34 32.0 -11.1 6 874 1219 335 32 13.5 -29.0 | 293 32 29.5 -12.4 7 850 1421 340 33 11.3 -31.0 | 298 31 27.3 -14.4 8 803 1829 350 31 5.4 -30.5 | 303 26 21.4 -13.9 9 770 2134 360 36 -0.0 -36.0 | 321 25 16.0 -19.4 10 738 2438 355 40 3.5 -39.8 | 320 30 19.5 -23.3 11 708 2743 5 33 -2.9 -32.9 | 321 21 13.1 -16.3 12 700 2820 5 34 -3.0 -33.9 | 323 22 13.0 -17.3 13 678 3048 360 30 -0.0 -30.0 | 310 21 16.0 -13.4 14 649 3353 15 28 -7.2 -27.0 | 320 14 8.7 -10.5 15 622 3658 40 27 -17.4 -20.7 | 18 4 -1.4 -4.1 16 596 3962 45 26 -18.4 -18.4 | 53 3 -2.4 -1.8 17 571 4267 55 24 -19.7 -13.8 | 128 5 -3.7 2.8 18 547 4572 60 19 -16.5 -9.5 | 176 7 -0.5 7.1 19 524 4877 45 28 -19.8 -19.8 | 50 5 -3.8 -3.2 20 502 5182 45 37 -26.2 -26.2 | 47 14 -10.2 -9.6 21 500 5210 60 33 -28.6 -16.5 | 90 13 -12.6 0.1 22 480 5486 60 35 -30.3 -17.5 | 86 14 -14.3 -0.9 23 459 5791 40 42 -27.0 -32.2 | 35 19 -11.0 -15.6 24 439 6096 45 42 -29.7 -29.7 | 46 19 -13.7 -13.1 25 420 6401 55 46 -37.7 -26.4 | 66 24 -21.7 -9.8 26 401 6706 40 47 -30.2 -36.0 | 36 24 -14.2 -19.4 27 400 6730 45 49 -34.6 -34.6 | 46 26 -18.7 -18.1 28 349 7620 45 60 -42.4 -42.4 | 46 37 -26.4 -25.8 29 322 8149 40 65 -41.8 -49.8 | 38 42 -25.8 -33.2 30 318 8230 40 65 -41.8 -49.8 | 38 42 -25.8 -33.2 31 300 8600 45 63 -44.5 -44.5 | 46 40 -28.6 -28.0 32 275 9144 45 60 -42.4 -42.4 | 46 37 -26.4 -25.8 33 258 9544 40 63 -40.5 -48.3 | 38 40 -24.5 -31.7 34 250 9740 40 57 -36.6 -43.7 | 37 34 -20.6 -27.1 35 226 10363 40 53 -34.1 -40.6 | 37 30 -18.1 -24.0 36 215 10668 35 48 -27.5 -39.3 | 27 25 -11.5 -22.7 37 200 11130 30 46 -23.0 -39.8 | 17 24 -7.0 -23.3 38 177 11887 15 49 -12.7 -47.3 | 354 31 3.3 -30.7 39 161 12497 25 38 -16.1 -34.4 | 0 18 -0.1 -17.9 40 150 12940 20 35 -12.0 -32.9 | 346 17 4.0 -16.3 41 146 13106 20 33 -11.3 -31.0 | 342 15 4.7 -14.4 42 133 13716 345 36 9.3 -34.8 | 306 31 25.3 -18.2 43 126 14021 360 37 -0.0 -37.0 | 322 26 16.0 -20.4 44 115 14630 345 38 9.8 -36.7 | 308 33 25.8 -20.1 45 104 15240 5 28 -2.4 -27.9 | 310 18 13.6 -11.3 46 100 15490 350 32 5.6 -31.5 | 305 26 21.5 -14.9 47 94 15850 350 32 5.6 -31.5 | 305 26 21.5 -14.9 48 70 17678 335 64 27.0 -58.0 | 314 60 43.0 -41.4 49 70 17710 335 58 24.5 -52.6 | 312 54 40.5 -36.0 50 53 19507 335 55 23.2 -49.8 | 310 51 39.2 -33.3 51 50 19830 340 64 21.9 -60.1 | 319 58 37.9 -43.6 52 39 21336 325 67 38.4 -54.9 | 305 67 54.4 -38.3 53 30 23030 330 100 50.0 -86.6 | 317 96 66.0 -70.0 54 29 23165 330 101 50.5 -87.5 | 317 97 66.5 -70.9 55 24 24384 330 95 47.5 -82.3 | 316 91 63.5 -65.7 56 20 25580 330 116 58.0 -100.5 | 319 112 74.0 -83.9 57 18 26213 325 117 67.1 -95.8 | 314 115 83.1 -79.3 58 17 26518 330 115 57.5 -99.6 | 318 111 73.5 -83.0 59 15 27432 325 127 72.8 -104.0 | 315 125 88.8 -87.4 60 10 29870 335 167 70.6 -151.4 | 327 160 86.6 -134.8 61 10 29940 335 161 68.0 -145.9 | 327 154 84.0 -129.3 Wind Parameters Mean winds (0-6000m): 14.0 at 30.7 knts Storm direction: 44.0 at 23.0 knts Shear (0-3000m) pos: 5.0 neg: 0.0 tot: 5.0 10-3/s Storm rel Dir Shear (0-3000m): 76.9 deg Storm rel helicity (0-3000m) pos: 388.3 neg: -23.8 tot: 364.5 m^2/s^2 ave: 121.5 10^-3 m/s^2 rel: 0.60 Storm rel vorticity (0-3000m) horiz: 12.3 stream: 7.4 10^-3/s Energy-Hel index: 0.09 Bulk Rich Number: 0.34 Bulk Shear: 108.94 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 ------------------------------------------------------------------------------- 500 309 20 262 32| 27.3 0.0 27.3|226.5 0.0 226.5 453.0 0.92| 29.9 27.5 1000 321 26 277 33| 14.8 0.0 14.8|280.6 0.0 280.6 280.6 0.86| 19.4 16.7 1500 328 28 283 32| 10.3 0.0 10.3|320.4 0.0 320.4 213.6 0.85| 15.1 12.8 2000 334 29 289 31| 8.7 0.0 8.7|372.0 0.0 372.0 186.0 0.84| 13.8 11.5 2500 340 31 295 30| 7.4 0.0 7.4|386.7 -0.9 385.8 154.3 0.75| 12.8 9.6 3000 344 31 299 28| 5.0 0.0 5.0|388.3 -23.8 364.5 121.5 0.60| 12.3 7.4 4000 354 30 305 24| 3.6 0.0 3.6|420.0 -23.8 396.2 99.1 0.60| 12.3 7.4 5000 3 29 311 19| 2.4 1.6 4.0|429.1 -34.1 395.0 79.0 0.45| 12.4 5.6 6000 14 31 327 16| 2.4 2.0 4.5|472.6 -92.7 380.0 63.3 0.35| 13.0 4.5 Wrote GIF file: /home/apache/climate/data/raob//CYEV/skewt/CYEV.skewt.20251221.12.gif