UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120412.upa.cvt Date: 1200Z 4 DEC 25 Searching for CYEV... Searching the city database file for: CYEV ... Date:1200Z 4 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 -23.9 -26.5 79 2.6 -24.2 280 5 248.1 248.2 248.0 249.3 0.43 1 1000 216 -24.3 -26.6 81 2.3 -24.5 295 19 248.9 248.9 248.6 250.0 0.43 2 925 784 -24.9 -26.1 90 1.2 -25.0 305 42 253.8 253.9 253.1 255.2 0.49 3 891 1056 -24.9 -26.8 84 1.9 -25.1 307 41 256.6 256.7 255.4 257.9 0.48 4 870 1229 -26.1 -26.7 95 0.6 -26.2 310 41 257.1 257.2 255.8 258.5 0.49 5 850 1397 -26.7 -27.7 91 1.0 -26.8 310 39 258.2 258.2 256.6 259.5 0.46 6 828 1586 -27.3 -28.5 89 1.2 -27.4 314 36 259.5 259.6 257.7 260.7 0.44 7 824 1621 -27.3 -31.4 68 4.1 -27.6 315 36 259.8 259.9 257.8 260.8 0.34 8 806 1780 -27.5 -32.5 62 5.0 -27.9 319 34 261.3 261.3 258.8 262.2 0.31 9 737 2420 -29.9 -32.8 76 2.9 -30.2 315 32 265.4 265.5 262.0 266.4 0.33 10 732 2469 -29.9 -30.7 93 0.8 -30.0 315 32 266.0 266.0 262.6 267.1 0.40 11 707 2715 -31.9 -31.9 100 0.0 -31.9 310 32 266.4 266.5 262.9 267.5 0.37 12 704 2746 -30.9 -31.2 97 0.3 -30.9 310 32 267.8 267.9 263.9 269.0 0.40 13 700 2786 -31.1 -32.4 88 1.3 -31.2 310 31 268.0 268.1 264.0 269.1 0.36 14 695 2837 -31.5 -43.5 30 12.0 -32.1 310 32 268.2 268.2 263.6 268.5 0.12 15 649 3320 -32.3 -47.3 21 15.0 -33.0 313 36 272.5 272.6 266.5 272.8 0.08 16 642 3396 -32.7 -38.7 55 6.0 -33.1 313 37 272.9 273.0 267.1 273.6 0.21 17 627 3562 -34.1 -38.2 66 4.1 -34.4 314 39 273.2 273.2 267.3 273.9 0.23 18 616 3686 -34.7 -41.7 49 7.0 -35.1 315 40 273.9 273.9 267.6 274.4 0.16 19 613 3720 -34.9 -39.7 62 4.8 -35.2 315 41 274.0 274.1 267.8 274.7 0.20 20 610 3754 -34.9 -49.9 20 15.0 -35.5 315 41 274.4 274.4 267.8 274.6 0.07 21 608 3777 -34.9 -52.9 14 18.0 -35.5 315 42 274.7 274.7 267.9 274.8 0.05 22 598 3892 -35.3 -43.3 44 8.0 -35.7 315 44 275.5 275.6 268.7 276.0 0.14 23 594 3939 -35.1 -50.1 20 15.0 -35.7 315 44 276.3 276.3 269.0 276.5 0.07 24 592 3962 -35.1 -45.1 35 10.0 -35.6 315 45 276.6 276.6 269.2 276.9 0.12 25 587 4021 -35.3 -51.3 18 16.0 -36.0 315 45 277.0 277.0 269.4 277.2 0.06 26 584 4057 -35.5 -45.5 35 10.0 -36.0 315 44 277.2 277.2 269.6 277.5 0.11 27 566 4275 -35.1 -50.1 20 15.0 -35.8 315 42 280.1 280.1 271.4 280.4 0.07 28 556 4399 -35.9 -45.9 35 10.0 -36.4 316 41 280.6 280.6 271.7 281.0 0.11 29 524 4809 -37.9 -57.9 11 20.0 -38.5 319 38 283.0 283.0 272.9 283.1 0.03 30 500 5130 -39.7 -58.7 11 19.0 -40.2 315 40 284.6 284.6 273.9 284.7 0.03 31 495 5199 -40.1 -59.1 11 19.0 -40.6 315 40 285.0 285.0 274.0 285.1 0.03 32 448 5875 -44.1 -57.1 22 13.0 -44.5 315 41 288.2 288.2 275.8 288.3 0.04 33 400 6630 -47.5 -64.5 12 17.0 -47.8 310 43 293.3 293.3 278.3 293.3 0.02 34 377 7020 -49.3 -66.3 12 17.0 -49.6 310 45 295.9 295.9 279.5 295.9 0.01 35 341 7678 -49.9 -69.9 8 20.0 -50.2 315 56 303.7 303.7 282.9 303.7 0.01 36 300 8520 -48.1 -73.4 4 25.4 -48.5 310 65 317.6 317.6 287.9 317.6 0.01 37 250 9720 -45.5 -78.5 1 33.0 -46.2 300 56 338.4 338.4 293.9 338.4 0.00 38 243 9909 -45.3 -79.3 1 34.0 -46.0 301 53 341.5 341.5 294.7 341.5 0.00 39 201 11167 -48.3 -81.3 1 33.0 -48.9 303 59 355.8 355.8 297.8 355.8 0.00 40 200 11200 -47.5 -81.5 1 34.0 -48.1 305 61 357.6 357.6 298.2 357.6 0.00 41 197 11300 -46.1 -81.1 1 35.0 -46.9 300 61 361.3 361.3 299.0 361.3 0.00 42 192 11472 -45.9 -80.9 1 35.0 -46.7 302 56 364.3 364.3 299.5 364.3 0.00 43 155 12885 -50.3 -83.3 1 33.0 -50.9 291 49 379.8 379.8 302.2 379.8 0.00 44 150 13100 -48.5 -83.5 1 35.0 -49.3 295 52 386.5 386.5 303.3 386.5 0.00 45 140 13553 -48.9 -83.9 1 35.0 -49.7 295 57 393.5 393.5 304.3 393.5 0.00 46 138 13648 -46.9 -83.9 1 37.0 -47.9 292 59 398.6 398.6 305.0 398.7 0.00 47 132 13942 -45.9 -82.9 1 37.0 -47.0 297 53 405.5 405.5 305.9 405.5 0.00 48 106 15389 -49.5 -84.5 1 35.0 -50.4 285 44 424.9 424.9 308.3 425.0 0.00 49 102 15640 -49.9 -84.9 1 35.0 -50.8 282 44 428.9 428.9 308.7 428.9 0.00 50 100 15770 -47.9 -84.9 1 37.0 -49.1 285 49 435.2 435.2 309.4 435.2 0.00 51 75 17680 -44.3 -83.3 1 39.0 -46.4 290 45 480.0 480.0 313.5 480.1 0.01 52 70 18140 -45.9 -84.9 0 39.0 -47.8 290 44 486.2 486.2 314.0 486.2 0.00 53 65 18632 -46.1 -85.1 0 39.0 -48.1 284 43 496.2 496.2 314.7 496.2 0.00 54 60 19168 -42.1 -83.1 0 41.0 -45.1 277 50 516.6 516.6 316.1 516.6 0.01 55 52 20135 -41.7 -82.7 0 41.0 -45.2 294 49 539.1 539.1 317.5 539.2 0.01 56 50 20400 -42.5 -82.5 0 40.0 -45.9 285 55 543.3 543.3 317.7 543.4 0.01 57 44 21260 -44.3 -84.3 0 40.0 -47.5 283 47 559.1 559.1 318.6 559.2 0.01 58 39 22072 -42.1 -83.1 0 41.0 -46.2 285 54 584.3 584.3 319.9 584.4 0.01 59 33 23193 -46.3 -85.3 0 39.0 -49.6 293 45 601.8 601.8 320.7 601.8 0.01 60 30 23830 -43.3 -83.3 0 40.0 -47.8 290 45 626.6 626.6 321.7 626.7 0.01 61 29 24058 -43.1 -83.1 0 40.0 -47.8 288 45 633.3 633.3 322.0 633.3 0.01 62 25 25054 -43.5 -83.5 0 40.0 -48.5 291 56 659.6 659.6 323.0 659.7 0.01 63 20 26560 -41.1 -82.1 0 41.0 -47.9 295 46 710.4 710.4 324.8 710.6 0.02 64 12 30000 -46.5 -85.5 0 39.0 -52.8 309 42 803.0 803.0 327.3 803.2 0.02 65 10 31220 -43.5 -83.5 0 40.0 -52.0 335 11 857.2 857.2 328.5 857.5 0.04 66 9.7 31424 -44.5 -84.5 0 40.0 -52.6 860.9 860.9 328.7 861.2 0.03 67 9.2 31782 -40.3 -81.3 0 41.0 -50.8 890.1 890.1 329.2 890.7 0.06 68 8.2 32557 -46.1 -85.1 0 39.0 -54.1 897.0 897.0 329.4 897.3 0.03 69 7.3 33336 -42.5 -82.5 0 40.0 -52.9 942.0 942.0 330.2 942.6 0.06 70 6.5 34112 -47.7 -86.7 0 39.0 -55.9 951.8 951.8 330.4 952.2 0.03 71 6.3 34320 -43.5 -83.5 0 40.0 -54.0 978.3 978.3 330.8 978.9 0.06 72 5.7 34990 -45.5 -84.5 0 39.0 -55.4 997.9 997.9 331.1 998.5 0.05 73 4.8 36133 -46.9 -85.9 0 39.0 -56.8 1041.7 1041.8 331.8 1042.3 0.05 74 4.4 36705 -50.5 -88.5 0 38.0 -58.9 1051.0 1051.0 331.9 1051.4 0.03 TRP 377 7020 -49.3 -66.3 12 17.0 -49.6 310 45 295.9 295.9 279.5 295.9 0.01 WND 300 8520 -48.1 -73.4 4 25.4 -48.5 310 65 317.6 317.6 287.9 317.6 0.01 Sounding variables and indices 1000-500 mb thick: 4914.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.06 inches Sfc-500 mean rel hum: 57.35 % Est. max temperature: -14.68 C = 5.58 F Sfc-Lift cond lev (LCL): 972.93 mb = 415.98 m = 1364.74 ft T: -24.51 C 700-500 lapse rate: 3.67 C/km Conv cond level (CCL): 767.19 mb = 2133.12 m = 6998.32 ft Mean mixing ratio: 0.46 g/kg Conv temperature: -8.38 C = 16.91 F Cap Strength: 25.48 C Lifted Index: 26.43 C Risk: None Lifted Index @300 mb: 46.17 C Lifted Index @700 mb: 14.35 C Showalter Index: 20.69 C Risk: None Total Totals Index: 25.00 C Risk: None Vertical Totals Index: 13.00 C Cross Totals Index: 12.00 C K Index: -16.00 Risk: None Sweat Index: 118.00 Risk: None Energy Index: 5.33 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 20.17 J/kg Max Up Vert Vel: 6.35 m/s Conv Inhibition (B-): 107372.65 J/kg Cap Strength: 26.20 C Lift Cond Lev (LCL): 936.11 mb = 697.05 m = 2286.88 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 343 at 28 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 1016 68 280 5 4.9 -0.9 | 173 26 -3.2 25.7 1 1000 216 295 19 17.2 -8.0 | 206 21 9.1 18.6 2 988 305 300 25 21.7 -12.5 | 224 20 13.6 14.1 3 947 610 305 40 32.8 -22.9 | 262 25 24.7 3.7 4 925 784 305 42 34.4 -24.1 | 265 26 26.3 2.5 5 909 914 305 41 33.6 -23.5 | 263 26 25.5 3.1 6 871 1219 310 41 31.4 -26.4 | 269 23 23.3 0.2 7 850 1397 310 39 29.9 -25.1 | 266 22 21.8 1.5 8 800 1829 320 33 21.2 -25.3 | 264 13 13.1 1.3 9 767 2134 315 31 21.9 -21.9 | 251 15 13.8 4.7 10 735 2438 315 32 22.6 -22.6 | 255 15 14.5 4.0 11 704 2743 310 32 24.5 -20.6 | 250 18 16.4 6.0 12 700 2786 310 31 23.7 -19.9 | 247 17 15.7 6.7 13 618 3658 315 40 28.3 -28.3 | 275 20 20.2 -1.7 14 591 3962 315 45 31.8 -31.8 | 282 24 23.7 -5.2 15 566 4267 315 42 29.7 -29.7 | 278 22 21.6 -3.1 16 519 4877 320 38 24.4 -29.1 | 279 17 16.3 -2.5 17 500 5130 315 40 28.3 -28.3 | 275 20 20.2 -1.7 18 433 6096 315 41 29.0 -29.0 | 277 21 20.9 -2.4 19 400 6630 310 43 32.9 -27.6 | 272 25 24.9 -1.0 20 378 7010 315 43 30.4 -30.4 | 280 23 22.3 -3.8 21 377 7020 310 45 34.5 -28.9 | 275 26 26.4 -2.3 22 344 7620 315 55 38.9 -38.9 | 292 33 30.8 -12.3 23 300 8520 310 65 49.8 -41.8 | 290 44 41.7 -15.2 24 299 8534 310 65 49.8 -41.8 | 290 44 41.7 -15.2 25 273 9144 300 62 53.7 -31.0 | 276 46 45.6 -4.4 26 261 9449 295 60 54.4 -25.4 | 268 46 46.3 1.2 27 250 9720 300 56 48.5 -28.0 | 272 40 40.4 -1.4 28 227 10363 305 46 37.7 -26.4 | 270 30 29.6 0.2 29 217 10668 295 42 38.1 -17.7 | 254 31 30.0 8.8 30 207 10973 290 45 42.3 -15.4 | 252 36 34.2 11.2 31 200 11200 305 61 50.0 -35.0 | 281 43 41.9 -8.4 32 198 11278 300 62 53.7 -31.0 | 276 46 45.6 -4.4 33 180 11887 305 44 36.0 -25.2 | 267 28 28.0 1.4 34 164 12497 285 45 43.5 -11.6 | 247 38 35.4 15.0 35 150 13100 295 52 47.1 -22.0 | 263 39 39.0 4.6 36 143 13411 300 55 47.6 -27.5 | 271 40 39.6 -0.9 37 137 13716 290 60 56.4 -20.5 | 263 49 48.3 6.1 38 130 14021 300 51 44.2 -25.5 | 268 36 36.1 1.1 39 125 14326 285 47 45.4 -12.2 | 249 40 37.3 14.4 40 108 15240 290 47 44.2 -16.1 | 254 38 36.1 10.5 41 103 15545 280 41 40.4 -7.1 | 239 38 32.3 19.5 42 100 15770 285 49 47.3 -12.7 | 250 42 39.2 13.9 43 94 16154 285 49 47.3 -12.7 | 250 42 39.2 13.9 44 86 16764 290 65 61.1 -22.2 | 265 53 53.0 4.4 45 82 17069 290 46 43.2 -15.7 | 253 37 35.1 10.9 46 70 18140 290 44 41.3 -15.0 | 251 35 33.3 11.5 47 65 18593 285 43 41.5 -11.1 | 245 37 33.5 15.5 48 63 18898 275 44 43.8 -3.8 | 238 42 35.8 22.8 49 57 19507 280 57 56.1 -9.9 | 251 51 48.1 16.7 50 52 20117 295 49 44.4 -20.7 | 261 37 36.3 5.9 51 50 20400 285 55 53.1 -14.2 | 255 47 45.0 12.4 52 50 20422 290 44 41.3 -15.0 | 251 35 33.3 11.5 53 48 20726 280 58 57.1 -10.1 | 251 52 49.0 16.5 54 46 21031 290 46 43.2 -15.7 | 253 37 35.1 10.9 55 43 21336 280 47 46.3 -8.2 | 244 42 38.2 18.4 56 42 21641 285 59 57.0 -15.3 | 257 50 48.9 11.3 57 35 22860 285 44 42.5 -11.4 | 246 38 34.4 15.2 58 32 23470 300 46 39.8 -23.0 | 264 32 31.8 3.6 59 30 23830 290 45 42.3 -15.4 | 252 36 34.2 11.2 60 28 24384 285 45 43.5 -11.6 | 247 38 35.4 15.0 61 25 24994 290 56 52.6 -19.2 | 261 45 44.5 7.4 62 21 26213 305 54 44.2 -31.0 | 277 36 36.2 -4.4 63 20 26560 295 46 41.7 -19.4 | 258 34 33.6 7.2 64 18 27127 295 47 42.6 -19.9 | 259 35 34.5 6.7 65 18 27432 310 40 30.6 -25.7 | 268 23 22.6 0.9 66 17 27737 290 37 34.8 -12.7 | 242 30 26.7 13.9 67 14 28956 305 48 39.3 -27.5 | 272 31 31.2 -0.9 68 13 29566 300 53 45.9 -26.5 | 270 38 37.8 0.1 69 10 31220 335 11 4.6 -10.0 | 168 17 -3.4 16.6 Wind Parameters Mean winds (0-6000m): 313.1 at 37.1 knts Storm direction: 343.1 at 27.8 knts Shear (0-3000m) pos: 4.7 neg: 0.6 tot: 5.3 10-3/s Storm rel Dir Shear (0-3000m): 83.7 deg Storm rel helicity (0-3000m) pos: 230.7 neg: -28.3 tot: 202.4 m^2/s^2 ave: 67.5 10^-3 m/s^2 rel: 0.55 Storm rel vorticity (0-3000m) horiz: 10.6 stream: 5.8 10^-3/s Energy-Hel index: 0.03 Bulk Rich Number: 0.79 Bulk Shear: 25.58 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 ------------------------------------------------------------------------------- 500 301 25 224 19| 34.4 0.0 34.4|182.7 0.0 182.7 365.4 0.95| 34.9 33.1 1000 304 33 247 21| 18.8 0.0 18.8|209.9 -2.1 207.8 207.8 0.89| 20.7 18.5 1500 306 35 254 21| 11.2 0.0 11.2|216.2 -7.3 208.9 139.3 0.77| 16.2 12.4 2000 309 35 256 20| 7.1 0.0 7.1|216.2 -18.6 197.7 98.8 0.61| 14.0 8.5 2500 310 34 256 19| 5.7 0.4 6.1|218.8 -22.6 196.2 78.5 0.57| 11.8 6.7 3000 310 34 255 18| 4.7 0.6 5.3|230.7 -28.3 202.4 67.5 0.55| 10.6 5.8 4000 311 35 260 19| 4.9 0.5 5.3|277.6 -31.8 245.8 61.5 0.57| 9.5 5.4 5000 313 36 264 19| 3.5 0.4 3.9|278.8 -43.1 235.7 47.1 0.48| 8.7 4.2 6000 313 37 266 19| 2.9 0.5 3.4|282.0 -44.7 237.3 39.6 0.47| 7.4 3.5 Wrote GIF file: /home/apache/climate/data/raob//CYEV/skewt/CYEV.skewt.20251204.12.gif