UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120612.upa.cvt Date: 1200Z 6 DEC 25 Searching for CYEV... Searching the city database file for: CYEV ... Date:1200Z 6 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 1016 68 -27.9 -30.8 76 2.9 -28.1 244.1 244.2 244.0 244.9 0.29 1 1013 95 -26.1 -28.2 82 2.1 -26.3 246.1 246.2 246.0 247.1 0.37 2 1000 216 -24.7 -27.0 81 2.3 -24.9 350 16 248.4 248.5 248.2 249.6 0.42 3 993 267 -24.3 -26.7 80 2.4 -24.5 350 16 249.4 249.4 249.1 250.5 0.43 4 967 460 -25.5 -27.2 86 1.7 -25.6 352 15 250.0 250.1 249.7 251.2 0.42 5 927 765 -27.7 -30.2 79 2.5 -27.9 355 13 250.8 250.9 250.1 251.8 0.33 6 925 781 -27.9 -30.4 79 2.5 -28.1 355 13 250.8 250.8 250.1 251.7 0.33 7 850 1386 -29.5 -31.8 80 2.3 -29.7 15 7 255.2 255.3 253.9 256.1 0.31 8 811 1720 -30.7 -33.3 78 2.6 -30.9 21 6 257.4 257.5 255.7 258.2 0.28 9 789 1916 -29.7 -33.4 70 3.7 -30.0 25 5 260.5 260.6 258.2 261.4 0.29 10 700 2764 -32.5 -35.5 75 3.0 -32.7 40 3 266.5 266.5 262.7 267.3 0.27 11 575 4133 -39.1 -42.5 70 3.4 -39.2 139 9 274.2 274.2 267.8 274.7 0.16 12 547 4474 -40.9 -44.6 67 3.7 -41.1 165 10 276.0 276.0 268.9 276.4 0.13 13 545 4499 -41.1 -43.9 74 2.8 -41.2 166 10 276.0 276.1 269.0 276.5 0.14 14 541 4549 -41.5 -45.5 65 4.0 -41.6 170 11 276.1 276.2 269.0 276.5 0.12 15 509 4961 -44.3 -46.4 79 2.1 -44.4 201 12 277.6 277.6 269.9 278.0 0.12 16 500 5080 -45.1 -48.2 71 3.1 -45.2 210 13 278.1 278.1 270.1 278.4 0.10 17 495 5147 -45.5 -48.8 69 3.3 -45.6 211 13 278.4 278.4 270.3 278.7 0.09 18 487 5255 -46.1 -47.6 85 1.5 -46.2 214 13 278.9 278.9 270.7 279.3 0.11 19 479 5364 -46.7 -49.6 72 2.9 -46.8 216 12 279.5 279.5 271.0 279.8 0.09 20 467 5531 -47.9 -49.5 83 1.6 -48.0 219 12 280.1 280.1 271.4 280.4 0.09 21 453 5731 -48.1 -57.1 35 9.0 -48.3 223 12 282.3 282.3 272.5 282.4 0.04 22 431 6055 -50.5 -58.5 38 8.0 -50.6 230 11 283.2 283.3 273.1 283.4 0.03 23 420 6223 -49.9 -61.9 23 12.0 -50.1 233 11 286.1 286.1 274.6 286.2 0.02 24 408 6412 -50.9 -60.9 30 10.0 -51.1 237 10 287.2 287.2 275.2 287.3 0.03 25 400 6540 -51.1 -63.1 23 12.0 -51.2 240 10 288.6 288.6 276.0 288.6 0.02 26 378 6908 -52.3 -64.3 22 12.0 -52.5 270 9 291.7 291.7 277.5 291.8 0.02 27 300 8410 -51.5 -72.5 6 21.0 -51.8 350 13 312.8 312.8 286.3 312.8 0.01 28 250 9600 -49.3 -80.3 1 31.0 -49.7 345 20 332.8 332.8 292.4 332.8 0.00 29 244 9759 -49.1 -80.1 1 31.0 -49.6 340 20 335.4 335.4 293.2 335.4 0.00 30 200 11060 -49.3 -82.3 1 33.0 -49.8 355 26 354.7 354.7 297.6 354.7 0.00 31 150 12940 -50.1 -84.1 1 34.0 -50.7 345 28 383.7 383.7 302.8 383.8 0.00 32 142 13297 -51.1 -85.1 1 34.0 -51.7 341 32 388.1 388.1 303.5 388.1 0.00 33 122 14289 -49.3 -85.3 1 36.0 -50.1 346 36 408.6 408.6 306.3 408.6 0.00 34 118 14507 -50.1 -85.1 1 35.0 -50.9 341 34 411.0 411.0 306.6 411.0 0.00 35 116 14619 -48.7 -84.7 1 36.0 -49.6 338 33 415.6 415.6 307.2 415.6 0.00 36 109 15026 -50.5 -85.5 1 35.0 -51.3 332 33 419.7 419.7 307.7 419.7 0.00 37 100 15590 -49.1 -85.1 1 36.0 -50.1 335 43 432.9 432.9 309.1 432.9 0.00 38 76 17393 -46.7 -84.7 1 38.0 -48.4 328 46 473.2 473.2 312.9 473.2 0.00 39 74 17570 -45.1 -85.1 0 40.0 -47.1 330 48 480.2 480.2 313.5 480.2 0.00 40 70 17940 -45.3 -84.3 0 39.0 -47.3 335 50 487.5 487.5 314.0 487.5 0.00 41 60 18971 -44.7 -84.7 0 40.0 -47.1 325 51 510.8 510.8 315.7 510.8 0.01 42 50 20190 -45.5 -84.5 0 39.0 -48.1 330 58 536.2 536.2 317.3 536.3 0.01 43 39 21850 -44.9 -84.9 0 40.0 -48.2 326 44 577.3 577.3 319.5 577.3 0.01 44 35 22579 -41.5 -82.5 0 41.0 -46.2 315 65 604.3 604.3 320.8 604.4 0.01 45 33 22978 -42.4 -83.0 0 40.6 -46.9 320 76 612.1 612.1 321.2 612.2 0.01 46 30 23620 -43.9 -83.9 0 40.0 -48.2 320 64 625.0 625.0 321.7 625.0 0.01 47 28 24081 -44.3 -84.3 0 40.0 -48.7 311 56 636.3 636.3 322.2 636.4 0.01 48 25 24832 -48.5 -86.5 0 38.0 -51.9 301 51 645.2 645.2 322.5 645.3 0.01 49 23 25384 -43.9 -83.9 0 40.0 -49.0 317 57 674.3 674.3 323.6 674.4 0.02 50 20 26310 -49.1 -87.1 0 38.0 -52.9 305 48 685.9 685.9 324.0 686.0 0.01 51 18 26999 -50.5 -88.5 0 38.0 -54.1 303 48 702.4 702.5 324.5 702.5 0.01 52 13 29143 -45.7 -84.7 0 39.0 -52.1 323 43 787.6 787.6 327.0 787.8 0.02 53 12 29673 -48.3 -87.3 0 39.0 -53.9 338 33 796.6 796.6 327.1 796.7 0.02 54 11 30248 -45.9 -84.9 0 39.0 -52.8 299 38 825.4 825.4 327.8 825.6 0.03 55 10 30880 -47.7 -86.7 0 39.0 -54.2 295 43 841.5 841.5 328.2 841.7 0.02 56 10 30880 -47.3 -86.3 0 39.0 -53.9 295 43 843.0 843.0 328.2 843.2 0.02 57 9.4 31286 -50.5 -88.5 0 38.0 -56.0 845.9 845.9 328.3 846.0 0.02 58 9.3 31357 -48.3 -86.3 0 38.0 -54.8 856.9 856.9 328.5 857.1 0.02 59 5.9 34327 -52.3 -89.3 0 37.0 -58.6 958.6 958.6 330.5 958.8 0.02 60 5.8 34438 -51.3 -88.3 0 37.0 -58.2 967.7 967.7 330.7 967.9 0.03 61 5.1 35265 -55.7 -89.7 1 34.0 -61.1 984.0 984.0 330.9 984.2 0.02 62 4.8 35653 -53.5 -89.5 0 36.0 -60.0 1011.3 1011.4 331.4 1011.6 0.03 63 4.4 36211 -55.1 -89.1 1 34.0 -61.2 1029.3 1029.3 331.6 1029.6 0.03 TRP 378 6908 -52.3 -64.3 22 12.0 -52.5 270 9 291.7 291.7 277.5 291.8 0.02 WND 33 22978 -42.4 -83.0 0 40.6 -46.9 320 76 612.1 612.1 321.2 612.2 0.01 Sounding variables and indices 1000-500 mb thick: 4864.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.06 inches Sfc-500 mean rel hum: 74.81 % Est. max temperature: -17.74 C = 0.07 F Sfc-Lift cond lev (LCL): 967.58 mb = 455.86 m = 1495.60 ft T: -25.47 C 700-500 lapse rate: 5.44 C/km ThetaE index: 0.06 C Layer 925.0- 850.0 mb Conv cond level (CCL): 850.00 mb = 1386.00 m = 4547.19 ft Mean mixing ratio: 0.39 g/kg Conv temperature: -16.75 C = 1.86 F Cap Strength: 22.18 C Lifted Index: 22.44 C Risk: None Lifted Index @300 mb: 43.99 C Lifted Index @700 mb: 14.47 C Showalter Index: 18.04 C Risk: None Total Totals Index: 28.90 C Risk: None Vertical Totals Index: 15.60 C Cross Totals Index: 13.30 C K Index: -19.20 Risk: None Sweat Index: 27.00 Risk: None Energy Index: 4.75 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 17.83 J/kg Max Up Vert Vel: 5.97 m/s Conv Inhibition (B-): 88123.23 J/kg Cap Strength: 22.38 C Lift Cond Lev (LCL): 931.30 mb = 732.01 m = 2401.57 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 300 at 7 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 1000 216 350 16 2.8 -15.8 | 13 13 -2.9 -12.5 1 925 781 355 13 1.1 -13.0 | 25 11 -4.6 -9.7 2 850 1386 15 7 -1.8 -6.8 | 65 8 -7.5 -3.5 3 700 2764 40 3 -1.9 -2.3 | 97 8 -7.7 1.0 4 500 5080 210 13 6.5 11.3 | 183 15 0.8 14.5 5 400 6540 240 10 8.7 5.0 | 200 9 2.9 8.3 6 378 6908 270 9 9.0 -0.0 | 225 5 3.3 3.3 7 300 8410 350 13 2.3 -12.8 | 20 10 -3.5 -9.5 8 250 9600 345 20 5.2 -19.3 | 2 16 -0.5 -16.0 9 1035 305 350 16 2.8 -15.8 | 13 13 -2.9 -12.5 10 988 610 360 13 -0.0 -13.0 | 31 11 -5.7 -9.7 11 943 914 360 8 -0.0 -8.0 | 51 7 -5.7 -4.7 12 900 1219 15 7 -1.8 -6.8 | 65 8 -7.5 -3.5 13 820 1829 35 4 -2.3 -3.3 | 90 8 -8.0 0.0 14 783 2134 20 4 -1.4 -3.8 | 86 7 -7.1 -0.5 15 747 2438 80 1 -1.0 -0.2 | 115 7 -6.7 3.1 16 713 2743 45 3 -2.1 -2.1 | 98 8 -7.8 1.2 17 620 3658 225 6 4.2 4.2 | 169 8 -1.5 7.5 18 592 3962 230 10 7.7 6.4 | 191 10 1.9 9.7 19 565 4267 195 10 2.6 9.7 | 166 13 -3.1 12.9 20 515 4877 205 12 5.1 10.9 | 177 14 -0.7 14.2 21 469 5486 215 17 9.8 13.9 | 193 18 4.0 17.2 22 427 6096 245 8 7.3 3.4 | 193 7 1.5 6.7 23 408 6401 260 10 9.8 1.7 | 219 6 4.1 5.0 24 389 6706 245 10 9.1 4.2 | 204 8 3.3 7.5 25 338 7620 300 8 6.9 -4.0 | 301 1 1.2 -0.7 26 323 7925 330 10 5.0 -8.7 | 8 5 -0.7 -5.4 27 268 9144 355 17 1.5 -16.9 | 17 14 -4.2 -13.6 28 244 9754 340 20 6.8 -18.8 | 356 16 1.1 -15.5 29 212 10668 360 26 -0.0 -26.0 | 14 23 -5.7 -22.7 30 200 11060 355 26 2.3 -25.9 | 9 23 -3.5 -22.6 31 153 12802 360 34 -0.0 -34.0 | 11 31 -5.7 -30.7 32 150 12940 345 28 7.2 -27.0 | 356 24 1.5 -23.8 33 140 13411 340 33 11.3 -31.0 | 349 28 5.6 -27.7 34 127 14021 355 34 3.0 -33.9 | 5 31 -2.8 -30.6 35 121 14326 345 36 9.3 -34.8 | 353 32 3.6 -31.5 36 111 14935 330 29 14.5 -25.1 | 338 24 8.8 -21.8 37 106 15240 335 43 18.2 -39.0 | 341 38 12.4 -35.7 38 101 15545 335 44 18.6 -39.9 | 341 39 12.9 -36.6 39 100 15590 335 43 18.2 -39.0 | 341 38 12.4 -35.7 40 96 15850 335 43 18.2 -39.0 | 341 38 12.4 -35.7 41 88 16459 345 43 11.1 -41.5 | 352 39 5.4 -38.2 42 84 16764 320 42 27.0 -32.2 | 324 36 21.3 -28.9 43 70 17940 335 50 21.1 -45.3 | 340 45 15.4 -42.0 44 70 17983 335 53 22.4 -48.0 | 340 48 16.7 -44.7 45 61 18898 325 49 28.1 -40.1 | 329 43 22.4 -36.9 46 55 19507 325 65 37.3 -53.2 | 328 59 31.6 -50.0 47 50 20190 330 58 29.0 -50.2 | 334 52 23.3 -46.9 48 44 21031 325 46 26.4 -37.7 | 329 40 20.7 -34.4 49 42 21336 330 57 28.5 -49.4 | 334 51 22.8 -46.1 50 38 21946 325 42 24.1 -34.4 | 329 36 18.4 -31.1 51 37 22250 310 55 42.1 -35.4 | 311 49 36.4 -32.1 52 33 22978 320 76 48.9 -58.2 | 322 70 43.1 -54.9 53 31 23470 320 76 48.9 -58.2 | 322 70 43.1 -54.9 54 30 23620 320 64 41.1 -49.0 | 322 58 35.4 -45.7 55 27 24384 305 51 41.8 -29.3 | 306 44 36.1 -26.0 56 24 24994 300 51 44.2 -25.5 | 300 44 38.4 -22.2 57 23 25298 320 58 37.3 -44.4 | 323 52 31.6 -41.1 58 21 25908 300 50 43.3 -25.0 | 300 43 37.6 -21.7 59 20 26310 305 48 39.3 -27.5 | 306 41 33.6 -24.2 60 19 26822 300 49 42.4 -24.5 | 300 42 36.7 -21.2 61 17 27432 310 44 33.7 -28.3 | 312 38 28.0 -25.0 62 16 27737 320 53 34.1 -40.6 | 323 47 28.3 -37.3 63 13 28956 315 46 32.5 -32.5 | 317 40 26.8 -29.2 64 12 29566 340 36 12.3 -33.8 | 348 31 6.6 -30.5 65 12 29870 335 29 12.3 -26.3 | 344 24 6.5 -23.0 66 11 30175 300 37 32.0 -18.5 | 300 30 26.3 -15.2 67 10 30880 295 43 39.0 -18.2 | 294 36 33.2 -14.9 Wind Parameters Mean winds (0-6000m): 269.9 at 8.8 knts Storm direction: 299.9 at 6.6 knts Storm rel Dir Shear (0-3000m): 52.7 deg Energy-Hel index: -1.11 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 ------------------------------------------------------------------------------- 500 351 15 17 12| | | 1000 354 14 23 11| | | 1500 358 11 33 10| | | 2000 1 10 42 9| | | 2500 4 9 50 8| | | 3000 7 8 56 8| | | 4000 21 7 66 9| | | 5000 340 8 34 5| | | 6000 270 9 223 5| | | Wrote GIF file: /home/apache/climate/data/raob//CYEV/skewt/CYEV.skewt.20251206.12.gif