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 CYEV... Searching the city database file for: CYEV ... Date:1200Z 18 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 1006 68 -22.9 -25.3 81 2.4 -23.2 260 5 249.8 249.9 249.6 251.1 0.49 1 1000 148 -21.7 -23.1 88 1.4 -21.9 265 9 251.4 251.5 251.3 253.0 0.59 2 996 178 -20.9 -22.3 88 1.4 -21.1 271 12 252.5 252.6 252.3 254.3 0.64 3 974 343 -20.1 -21.3 90 1.2 -20.3 297 25 255.0 255.1 254.5 256.9 0.72 4 947 551 -20.7 -22.2 88 1.5 -20.9 311 28 256.4 256.5 255.7 258.3 0.68 5 925 724 -21.5 -23.3 85 1.8 -21.7 320 29 257.3 257.4 256.4 259.1 0.63 6 879 1099 -23.1 -25.9 78 2.8 -23.4 320 32 259.4 259.5 257.8 260.9 0.53 7 850 1343 -25.7 -27.4 86 1.7 -25.9 320 36 259.2 259.3 257.5 260.6 0.47 8 815 1646 -28.5 -28.8 97 0.3 -28.5 322 31 259.4 259.5 257.6 260.6 0.43 9 807 1717 -25.5 -39.5 26 14.0 -26.5 323 28 263.3 263.3 260.0 263.8 0.15 10 801 1771 -25.3 -41.3 21 16.0 -26.4 324 26 264.1 264.1 260.6 264.5 0.13 11 794 1835 -25.3 -42.3 19 17.0 -26.5 325 24 264.8 264.8 261.1 265.1 0.12 12 780 1964 -25.7 -33.7 47 8.0 -26.4 325 24 265.7 265.7 262.1 266.5 0.28 13 700 2745 -27.3 -38.3 34 11.0 -28.2 340 23 272.3 272.3 266.6 272.9 0.20 14 640 3387 -29.3 -43.3 25 14.0 -30.2 354 21 277.0 277.1 269.6 277.5 0.13 15 627 3533 -30.1 -34.1 68 4.0 -30.4 357 20 277.8 277.8 270.4 278.8 0.34 16 620 3612 -30.1 -33.5 72 3.4 -30.4 359 20 278.7 278.7 271.0 279.8 0.36 17 607 3763 -29.9 -33.2 73 3.3 -30.2 3 20 280.6 280.6 272.2 281.8 0.38 18 549 4472 -33.9 -38.6 62 4.7 -34.3 6 26 284.0 284.1 273.9 284.8 0.25 19 500 5120 -38.3 -40.8 77 2.5 -38.4 20 29 286.3 286.4 275.1 287.1 0.22 20 490 5259 -39.1 -43.4 64 4.3 -39.3 22 29 287.0 287.0 275.4 287.6 0.17 21 487 5301 -39.1 -41.5 78 2.4 -39.2 23 30 287.5 287.6 275.7 288.2 0.21 22 486 5315 -39.3 -43.2 66 3.9 -39.5 23 30 287.4 287.5 275.6 288.0 0.17 23 485 5330 -39.1 -52.1 24 13.0 -39.6 23 30 287.9 287.9 275.7 288.1 0.06 24 483 5358 -39.1 -57.1 13 18.0 -39.6 24 30 288.2 288.2 275.8 288.3 0.04 25 469 5560 -40.1 -55.1 19 15.0 -40.6 27 30 289.4 289.4 276.5 289.6 0.05 26 427 6195 -44.7 -58.7 19 14.0 -45.0 34 32 291.4 291.4 277.4 291.5 0.03 27 420 6306 -45.5 -52.5 45 7.0 -45.7 33 33 291.8 291.8 277.6 292.0 0.07 28 415 6386 -46.1 -54.1 40 8.0 -46.3 32 33 292.0 292.0 277.7 292.2 0.06 29 400 6630 -48.1 -55.1 44 7.0 -48.3 30 34 292.5 292.5 278.0 292.7 0.05 30 375 7050 -51.5 -55.9 59 4.4 -51.6 36 35 293.4 293.4 278.4 293.6 0.05 31 345 7586 -54.1 -62.1 37 8.0 -54.2 49 40 297.0 297.0 280.0 297.1 0.03 32 310 8264 -57.7 -62.5 54 4.8 -57.8 27 40 301.2 301.2 281.9 301.3 0.03 33 300 8470 -58.7 -63.7 52 5.0 -58.7 20 40 302.6 302.6 282.5 302.7 0.02 34 297 8533 -59.1 -65.1 46 6.0 -59.2 20 40 302.9 302.9 282.6 303.0 0.02 35 274 9041 -58.5 -71.5 17 13.0 -58.6 19 35 310.8 310.8 285.7 310.9 0.01 36 264 9275 -59.7 -72.7 17 13.0 -59.8 19 32 312.4 312.4 286.2 312.4 0.01 37 251 9595 -56.3 -76.3 6 20.0 -56.5 15 27 322.0 322.0 289.3 322.0 0.00 38 250 9620 -56.5 -76.5 6 20.0 -56.7 15 27 322.1 322.1 289.4 322.1 0.00 39 246 9722 -56.9 -77.9 5 21.0 -57.1 15 26 323.0 323.0 289.6 323.0 0.00 40 216 10555 -53.1 -79.1 3 26.0 -53.4 335 25 341.1 341.1 294.6 341.1 0.00 41 209 10767 -54.5 -81.5 2 27.0 -54.8 337 24 342.1 342.1 294.8 342.1 0.00 42 200 11050 -53.7 -81.7 2 28.0 -54.0 355 27 347.7 347.7 296.1 347.7 0.00 43 150 12900 -51.1 -83.1 1 32.0 -51.7 335 36 382.0 382.0 302.6 382.0 0.00 44 132 13734 -50.3 -82.3 1 32.0 -51.0 337 31 397.7 397.7 304.9 397.7 0.00 45 108 15040 -51.9 -83.9 1 32.0 -52.6 337 34 418.1 418.1 307.5 418.2 0.00 46 100 15540 -51.3 -84.3 1 33.0 -52.1 325 48 428.6 428.6 308.7 428.6 0.00 47 70 17870 -46.9 -82.9 1 36.0 -48.6 330 67 484.1 484.1 313.8 484.1 0.01 48 69 17965 -46.7 -82.7 1 36.0 -48.5 330 68 486.5 486.5 314.0 486.5 0.01 49 50 20090 -49.3 -84.3 1 35.0 -51.1 325 80 527.3 527.3 316.8 527.3 0.01 50 46 20632 -50.9 -84.9 1 34.0 -52.6 321 77 536.2 536.2 317.3 536.2 0.01 51 43 21073 -47.7 -83.7 1 36.0 -50.1 317 74 554.5 554.5 318.3 554.5 0.01 52 37 22060 -48.3 -84.3 1 36.0 -50.8 306 70 577.3 577.3 319.5 577.3 0.01 53 30 23420 -53.9 -85.9 1 32.0 -55.7 310 71 597.7 597.7 320.5 597.8 0.01 54 28 23862 -54.7 -87.7 1 33.0 -56.5 317 74 607.4 607.4 320.9 607.4 0.01 55 21 25723 -50.1 -85.1 1 35.0 -53.4 307 75 673.4 673.4 323.6 673.5 0.01 56 20 26040 -52.5 -86.5 1 34.0 -55.3 290 61 675.5 675.5 323.6 675.6 0.01 57 17 27086 -55.3 -87.3 1 32.0 -57.8 299 72 698.6 698.6 324.4 698.7 0.01 58 15 27891 -52.1 -86.1 1 34.0 -55.6 308 82 734.7 734.7 325.5 734.9 0.02 59 13 28817 -53.1 -87.1 1 34.0 -56.7 305 78 762.0 762.0 326.3 762.1 0.02 60 11 29882 -58.3 -89.3 1 31.0 -60.9 310 85 780.4 780.4 326.7 780.5 0.01 61 10 30490 -53.1 -87.1 1 34.0 -57.4 320 88 821.3 821.3 327.8 821.5 0.02 62 8.6 31470 -49.7 -85.7 1 36.0 -55.8 870.8 870.8 328.8 871.1 0.03 63 7.3 32530 -54.7 -86.7 1 32.0 -59.3 892.2 892.2 329.2 892.4 0.03 64 6.0 33789 -53.5 -87.5 1 34.0 -59.3 948.8 948.8 330.3 949.1 0.03 65 5.0 34953 -56.6 -88.2 1 31.5 -61.7 305 106 985.5 985.5 330.9 985.8 0.03 66 4.8 35212 -57.3 -88.3 1 31.0 -62.2 993.8 993.9 331.1 994.2 0.03 TRP 297 8533 -59.1 -65.1 46 6.0 -59.2 20 40 302.9 302.9 282.6 303.0 0.02 WND 5.0 34953 -56.6 -88.2 1 31.5 -61.7 305 106 985.5 985.5 330.9 985.8 0.03 Sounding variables and indices 1000-500 mb thick: 4972.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.08 inches Sfc-500 mean rel hum: 61.98 % Est. max temperature: -13.43 C = 7.82 F Sfc-Lift cond lev (LCL): 966.66 mb = 398.62 m = 1307.80 ft T: -20.26 C 700-500 lapse rate: 4.63 C/km ThetaE index: 0.36 C Layer 850.0- 815.0 mb Conv cond level (CCL): 874.02 mb = 1140.07 m = 3740.33 ft Mean mixing ratio: 0.65 g/kg Conv temperature: -13.30 C = 8.06 F Cap Strength: 22.59 C Lifted Index: 23.85 C Risk: None Lifted Index @300 mb: 32.10 C Lifted Index @700 mb: 13.90 C Showalter Index: 21.21 C Risk: None Total Totals Index: 23.50 C Risk: None Vertical Totals Index: 12.60 C Cross Totals Index: 10.90 C K Index: -25.80 Risk: None Sweat Index: 101.00 Risk: None Energy Index: 5.63 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 30.63 J/kg Max Up Vert Vel: 7.83 m/s Conv Inhibition (B-): 83924.92 J/kg Cap Strength: 23.84 C Lift Cond Lev (LCL): 930.51 mb = 680.18 m = 2231.53 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 19 at 20 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 1006 68 260 5 4.9 0.9 | 210 22 11.2 19.4 1 1000 148 265 9 9.0 0.8 | 218 25 15.2 19.3 2 979 305 295 24 21.8 -10.1 | 253 29 28.0 8.4 3 939 610 315 29 20.5 -20.5 | 274 27 26.8 -2.0 4 925 724 320 29 18.6 -22.2 | 278 25 24.9 -3.7 5 901 914 320 28 18.0 -21.4 | 277 24 24.2 -2.9 6 864 1219 320 34 21.9 -26.0 | 285 29 28.1 -7.5 7 850 1343 320 36 23.1 -27.6 | 287 31 29.4 -9.1 8 829 1524 320 36 23.1 -27.6 | 287 31 29.4 -9.1 9 795 1829 325 24 13.8 -19.7 | 273 20 20.0 -1.1 10 762 2134 325 24 13.8 -19.7 | 273 20 20.0 -1.1 11 730 2438 330 22 11.0 -19.1 | 272 17 17.2 -0.5 12 700 2743 340 23 7.9 -21.6 | 282 14 14.1 -3.1 13 700 2745 340 23 7.9 -21.6 | 282 14 14.1 -3.1 14 615 3658 360 20 -0.0 -20.0 | 283 6 6.2 -1.5 15 589 3962 10 21 -3.6 -20.7 | 310 3 2.6 -2.2 16 564 4267 360 26 -0.0 -26.0 | 320 10 6.2 -7.5 17 518 4877 20 27 -9.2 -25.4 | 24 7 -3.0 -6.9 18 500 5120 20 29 -9.9 -27.3 | 23 9 -3.7 -8.7 19 433 6096 35 32 -18.4 -26.2 | 58 14 -12.1 -7.7 20 400 6630 30 34 -17.0 -29.4 | 45 15 -10.8 -10.9 21 377 7010 35 35 -20.1 -28.7 | 54 17 -13.8 -10.2 22 343 7620 50 40 -30.6 -25.7 | 74 25 -24.4 -7.2 23 300 8470 20 40 -13.7 -37.6 | 21 20 -7.4 -19.1 24 297 8533 20 40 -13.7 -37.6 | 21 20 -7.4 -19.1 25 297 8534 15 38 -9.8 -36.7 | 11 19 -3.6 -18.2 26 270 9144 20 34 -11.6 -31.9 | 22 14 -5.4 -13.4 27 250 9620 15 27 -7.0 -26.1 | 6 8 -0.7 -7.6 28 245 9754 15 26 -6.7 -25.1 | 4 7 -0.5 -6.6 29 233 10058 340 32 10.9 -30.1 | 304 21 17.2 -11.6 30 223 10363 345 29 7.5 -28.0 | 305 17 13.8 -9.5 31 212 10668 330 23 11.5 -19.9 | 275 18 17.7 -1.4 32 200 11050 355 27 2.4 -26.9 | 314 12 8.6 -8.4 33 193 11278 360 27 -0.0 -27.0 | 324 11 6.2 -8.5 34 152 12802 340 40 13.7 -37.6 | 314 28 19.9 -19.1 35 150 12900 335 36 15.2 -32.6 | 303 26 21.5 -14.1 36 115 14630 340 25 8.6 -23.5 | 289 16 14.8 -5.0 37 105 15240 335 39 16.5 -35.3 | 307 28 22.7 -16.8 38 100 15540 325 48 27.5 -39.3 | 302 40 33.8 -20.8 39 95 15850 325 48 27.5 -39.3 | 302 40 33.8 -20.8 40 79 17069 335 66 27.9 -59.8 | 320 54 34.1 -41.3 41 70 17870 330 67 33.5 -58.0 | 315 56 39.7 -39.5 42 52 19812 325 84 48.2 -68.8 | 313 74 54.4 -50.3 43 50 20090 325 80 45.9 -65.5 | 312 70 52.1 -47.0 44 41 21336 315 73 51.6 -51.6 | 300 67 57.9 -33.1 45 39 21641 305 73 59.8 -41.9 | 289 70 66.0 -23.4 46 31 23165 310 63 48.3 -40.5 | 292 59 54.5 -22.0 47 30 23420 310 71 54.4 -45.6 | 294 66 60.6 -27.1 48 27 24079 320 75 48.2 -57.5 | 306 67 54.5 -38.9 49 25 24689 310 73 55.9 -46.9 | 295 68 62.2 -28.4 50 22 25298 310 92 70.5 -59.1 | 298 87 76.7 -40.6 51 20 25908 305 67 54.9 -38.4 | 288 64 61.1 -19.9 52 20 26040 290 61 57.3 -20.9 | 272 64 63.6 -2.3 53 19 26518 290 61 57.3 -20.9 | 272 64 63.6 -2.3 54 16 27432 305 78 63.9 -44.7 | 290 75 70.1 -26.2 55 15 27737 310 91 69.7 -58.5 | 298 86 76.0 -40.0 56 15 28042 305 72 59.0 -41.3 | 289 69 65.2 -22.8 57 12 29566 305 83 68.0 -47.6 | 291 80 74.2 -29.1 58 10 30490 320 88 56.6 -67.4 | 308 80 62.8 -48.9 Wind Parameters Mean winds (0-6000m): 348.7 at 26.1 knts Storm direction: 18.7 at 19.5 knts Shear (0-3000m) pos: 3.8 neg: 0.0 tot: 3.8 10-3/s Storm rel Dir Shear (0-3000m): 74.5 deg Storm rel helicity (0-3000m) pos: 272.2 neg: -42.0 tot: 230.2 m^2/s^2 ave: 76.7 10^-3 m/s^2 rel: 0.52 Storm rel vorticity (0-3000m) horiz: 11.1 stream: 5.7 10^-3/s Energy-Hel index: 0.05 Bulk Rich Number: 0.55 Bulk Shear: 55.35 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 ------------------------------------------------------------------------------- 500 299 21 251 26| 26.3 0.0 26.3|202.4 0.0 202.4 404.8 0.95| 31.1 29.6 1000 311 25 265 25| 14.8 0.0 14.8|237.0 -2.3 234.7 234.7 0.89| 19.3 17.2 1500 315 28 273 26| 11.0 0.0 11.0|259.0 -7.0 252.0 168.0 0.81| 15.2 12.2 2000 317 28 274 25| 5.7 0.0 5.7|259.0 -40.4 218.6 109.3 0.56| 14.1 7.8 2500 319 27 274 24| 4.4 0.0 4.4|263.8 -42.0 221.8 88.7 0.53| 12.2 6.4 3000 322 26 276 22| 3.8 0.0 3.8|272.2 -42.0 230.2 76.7 0.52| 11.1 5.7 4000 330 25 279 19| 3.2 0.0 3.2|275.8 -42.3 233.5 58.4 0.48| 9.7 4.6 5000 339 25 288 16| 3.2 0.0 3.2|294.7 -42.4 252.3 50.5 0.50| 9.3 4.6 6000 349 26 302 13| 3.1 0.0 3.1|315.4 -42.4 273.0 45.5 0.52| 8.5 4.4 Wrote GIF file: /home/apache/climate/data/raob//CYEV/skewt/CYEV.skewt.20251218.12.gif