UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025122012.upa.cvt Date: 1200Z 20 DEC 25 Searching for CYEV... Searching the city database file for: CYEV ... Date:1200Z 20 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 1004 68 -21.3 -24.3 77 3.0 -21.7 15 8 251.6 251.6 251.3 253.0 0.53 1 1000 136 -22.1 -24.9 78 2.8 -22.4 355 9 251.1 251.1 250.7 252.4 0.51 2 925 707 -23.5 -24.5 91 1.0 -23.6 320 31 255.3 255.4 254.5 256.8 0.57 3 902 891 -24.7 -25.7 91 1.0 -24.8 324 30 255.9 256.0 254.9 257.3 0.52 4 886 1021 -23.1 -25.6 80 2.5 -23.4 325 29 258.9 258.9 257.4 260.4 0.54 5 866 1188 -23.9 -27.5 72 3.6 -24.3 325 27 259.7 259.8 257.9 261.0 0.46 6 850 1324 -24.9 -27.4 80 2.5 -25.2 330 26 260.1 260.1 258.2 261.4 0.47 7 808 1690 -27.9 -28.0 99 0.1 -27.9 326 29 260.7 260.7 258.7 262.0 0.47 8 764 2090 -30.9 -31.1 98 0.2 -30.9 325 27 261.6 261.7 259.2 262.7 0.37 9 755 2174 -30.7 -31.4 94 0.7 -30.7 326 27 262.7 262.8 260.1 263.8 0.37 10 748 2240 -30.3 -33.7 72 3.4 -30.6 328 26 263.9 263.9 260.8 264.7 0.30 11 700 2710 -32.3 -35.0 77 2.7 -32.5 335 25 266.7 266.8 262.9 267.5 0.28 12 645 3285 -34.3 -35.5 89 1.2 -34.4 332 24 270.8 270.8 265.8 271.6 0.29 13 637 3372 -34.7 -37.4 76 2.7 -34.9 332 24 271.3 271.3 266.0 272.0 0.24 14 631 3438 -34.9 -36.2 88 1.3 -35.0 331 24 271.8 271.8 266.4 272.6 0.27 15 610 3674 -35.1 -43.1 44 8.0 -35.5 330 24 274.2 274.2 267.8 274.6 0.14 16 606 3720 -35.1 -43.1 44 8.0 -35.5 331 24 274.7 274.7 268.1 275.2 0.14 17 580 4025 -36.9 -45.9 39 9.0 -37.3 336 24 276.1 276.1 269.0 276.4 0.11 18 568 4169 -37.7 -41.8 65 4.1 -37.9 338 24 276.8 276.8 269.5 277.3 0.17 19 566 4194 -37.9 -43.9 53 6.0 -38.2 339 24 276.8 276.9 269.5 277.3 0.14 20 552 4366 -38.9 -42.3 70 3.4 -39.1 344 24 277.6 277.7 270.0 278.2 0.17 21 519 4787 -40.9 -45.9 58 5.0 -41.1 5 23 280.2 280.2 271.5 280.6 0.12 22 515 4839 -41.1 -44.1 73 3.0 -41.2 8 23 280.5 280.6 271.8 281.0 0.15 23 511 4892 -41.3 -49.3 42 8.0 -41.6 10 23 280.9 280.9 271.8 281.2 0.08 24 500 5040 -42.1 -49.1 46 7.0 -42.3 15 22 281.7 281.7 272.3 282.0 0.09 25 484 5259 -43.5 -47.7 63 4.2 -43.6 14 22 282.6 282.6 272.9 283.0 0.11 26 466 5513 -45.1 -51.1 51 6.0 -45.3 13 22 283.7 283.7 273.4 284.0 0.07 27 452 5717 -46.5 -50.5 64 4.0 -46.6 12 23 284.4 284.5 273.9 284.7 0.08 28 448 5775 -46.9 -52.9 50 6.0 -47.0 12 23 284.7 284.7 273.9 284.9 0.06 29 420 6201 -49.1 -57.1 39 8.0 -49.3 9 23 287.1 287.1 275.2 287.3 0.04 30 413 6311 -49.9 -56.9 44 7.0 -50.0 8 23 287.5 287.5 275.5 287.6 0.04 31 400 6520 -50.5 -61.5 26 11.0 -50.7 5 24 289.4 289.4 276.4 289.4 0.02 32 391 6668 -50.5 -64.5 18 14.0 -50.7 7 25 291.2 291.2 277.3 291.3 0.02 33 381 6837 -51.1 -62.1 26 11.0 -51.2 8 25 292.6 292.6 278.0 292.7 0.02 34 331 7746 -53.1 -62.1 33 9.0 -53.2 352 21 301.9 301.9 282.2 302.0 0.03 35 326 7844 -53.5 -64.5 25 11.0 -53.7 345 21 302.7 302.7 282.5 302.7 0.02 36 317 8024 -52.5 -67.5 15 15.0 -52.7 347 22 306.5 306.5 284.0 306.5 0.01 37 300 8380 -51.9 -69.9 10 18.0 -52.1 350 24 312.2 312.2 286.1 312.2 0.01 38 268 9110 -50.7 -72.7 6 22.0 -51.0 346 23 324.2 324.2 290.0 324.2 0.01 39 250 9560 -51.7 -74.7 5 23.0 -52.0 335 22 329.2 329.2 291.5 329.2 0.01 40 231 10073 -52.3 -75.3 5 23.0 -52.6 335 19 335.8 335.8 293.3 335.8 0.01 41 202 10945 -50.3 -76.3 3 26.0 -50.8 341 28 352.1 352.1 297.1 352.1 0.01 42 200 11010 -50.7 -76.7 3 26.0 -51.1 340 30 352.5 352.5 297.2 352.5 0.01 43 185 11515 -53.1 -78.1 3 25.0 -53.5 343 30 356.5 356.5 298.0 356.6 0.00 44 165 12254 -51.5 -78.5 3 27.0 -52.0 348 30 371.1 371.1 300.8 371.1 0.01 45 150 12870 -52.9 -80.9 2 28.0 -53.4 345 27 378.9 378.9 302.1 378.9 0.00 46 141 13270 -52.5 -81.5 2 29.0 -53.0 343 27 386.4 386.4 303.2 386.4 0.00 47 121 14252 -55.7 -83.7 2 28.0 -56.1 330 30 397.8 397.8 304.9 397.8 0.00 48 116 14522 -54.7 -83.7 2 29.0 -55.2 333 32 404.5 404.5 305.8 404.5 0.00 49 100 15470 -55.5 -84.5 2 29.0 -56.0 335 37 420.5 420.5 307.8 420.5 0.00 50 90 16139 -55.3 -85.3 1 30.0 -55.9 321 34 433.8 433.8 309.2 433.8 0.00 51 70 17730 -57.5 -87.5 1 30.0 -58.0 315 53 461.4 461.4 311.9 461.4 0.00 52 60 18698 -59.9 -87.9 1 28.0 -60.4 324 61 476.8 476.8 313.2 476.8 0.00 53 52 19601 -55.7 -86.7 1 31.0 -56.6 313 60 506.5 506.5 315.4 506.5 0.00 54 50 19850 -56.3 -87.3 1 31.0 -57.2 310 60 510.8 510.8 315.7 510.8 0.00 55 41 21103 -59.7 -88.7 1 29.0 -60.4 315 69 532.2 532.2 317.1 532.2 0.00 56 30 23070 -57.5 -88.5 1 31.0 -58.7 315 68 587.9 587.9 320.0 587.9 0.01 57 27 23734 -56.1 -88.1 1 32.0 -57.6 315 75 609.8 609.8 321.0 609.8 0.01 58 20 25610 -61.1 -90.1 1 29.0 -62.3 305 93 649.1 649.2 322.6 649.2 0.01 59 17 26611 -63.9 -90.9 1 27.0 -64.8 316 94 671.1 671.1 323.4 671.1 0.01 60 15 27389 -56.9 -88.9 1 32.0 -59.2 320 118 718.8 718.8 325.0 718.8 0.01 61 11 29355 -55.9 -87.9 1 32.0 -59.1 323 141 789.1 789.1 327.0 789.2 0.02 62 10 29960 -56.7 -88.7 1 32.0 -59.9 330 165 807.9 807.9 327.4 808.0 0.01 63 7.8 31537 -56.3 -88.3 1 32.0 -60.2 869.0 869.0 328.8 869.2 0.02 64 5.6 33617 -61.3 -90.3 1 29.0 -64.4 933.4 933.4 330.1 933.5 0.02 65 5.0 34324 -59.2 -89.8 1 30.6 -63.3 335 213 973.5 973.5 330.8 973.8 0.02 66 4.5 34987 -57.3 -89.3 1 32.0 -62.4 1012.4 1012.4 331.4 1012.7 0.03 67 4.1 35573 -59.1 -89.1 1 30.0 -63.8 1031.0 1031.0 331.6 1031.4 0.03 TRP 326 7844 -53.5 -64.5 25 11.0 -53.7 345 21 302.7 302.7 282.5 302.7 0.02 WND 5.0 34324 -59.2 -89.8 1 30.6 -63.3 335 213 973.5 973.5 330.8 973.8 0.02 Sounding variables and indices 1000-500 mb thick: 4904.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.08 inches Sfc-500 mean rel hum: 75.21 % Est. max temperature: -12.88 C = 8.82 F Sfc-Lift cond lev (LCL): 955.35 mb = 470.55 m = 1543.79 ft T: -22.92 C 700-500 lapse rate: 4.21 C/km ThetaE index: 0.58 C Layer 1000.0- 925.0 mb Conv cond level (CCL): 830.48 mb = 1491.92 m = 4894.69 ft Mean mixing ratio: 0.54 g/kg Conv temperature: -12.50 C = 9.49 F Cap Strength: 21.38 C Lifted Index: 21.86 C Risk: None Lifted Index @300 mb: 40.48 C Lifted Index @700 mb: 10.81 C Showalter Index: 16.71 C Risk: None Total Totals Index: 31.90 C Risk: None Vertical Totals Index: 17.20 C Cross Totals Index: 14.70 C K Index: -12.90 Risk: None Sweat Index: 74.00 Risk: None Energy Index: 4.31 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 16.96 J/kg Max Up Vert Vel: 5.82 m/s Conv Inhibition (B-): 94298.95 J/kg Cap Strength: 21.63 C Lift Cond Lev (LCL): 925.63 mb = 702.05 m = 2303.30 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 10 at 18 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 1004 68 15 8 -2.1 -7.7 | 186 10 1.1 10.4 1 1000 136 355 9 0.8 -9.0 | 203 10 3.9 9.1 2 977 305 325 17 9.8 -13.9 | 252 14 12.9 4.2 3 937 610 320 27 17.4 -20.7 | 277 21 20.5 -2.6 4 925 707 320 31 19.9 -23.7 | 284 24 23.1 -5.6 5 899 914 325 30 17.2 -24.6 | 288 21 20.3 -6.5 6 862 1219 325 27 15.5 -22.1 | 282 19 18.6 -4.0 7 850 1324 330 26 13.0 -22.5 | 285 17 16.1 -4.4 8 792 1829 325 30 17.2 -24.6 | 288 21 20.3 -6.5 9 759 2134 325 27 15.5 -22.1 | 282 19 18.6 -4.0 10 727 2438 335 25 10.6 -22.7 | 288 14 13.7 -4.5 11 700 2710 335 25 10.6 -22.7 | 288 14 13.7 -4.5 12 697 2743 335 25 10.6 -22.7 | 288 14 13.7 -4.5 13 610 3658 330 24 12.0 -20.8 | 280 15 15.1 -2.7 14 559 4267 340 24 8.2 -22.6 | 291 12 11.3 -4.4 15 512 4877 10 23 -4.0 -22.7 | 11 5 -0.9 -4.5 16 500 5040 15 22 -5.7 -21.3 | 39 4 -2.6 -3.1 17 426 6096 10 23 -4.0 -22.7 | 11 5 -0.9 -4.5 18 400 6520 5 24 -2.1 -23.9 | 350 6 1.0 -5.8 19 371 7010 10 26 -4.5 -25.6 | 10 8 -1.4 -7.5 20 354 7315 350 23 4.0 -22.7 | 302 8 7.1 -4.5 21 337 7620 360 21 -0.0 -21.0 | 313 4 3.1 -2.9 22 326 7844 345 21 5.4 -20.3 | 284 9 8.6 -2.2 23 300 8380 350 24 4.2 -23.6 | 307 9 7.3 -5.5 24 293 8534 355 23 2.0 -22.9 | 313 7 5.1 -4.8 25 267 9144 345 23 6.0 -22.2 | 294 10 9.1 -4.1 26 250 9560 335 22 9.3 -19.9 | 278 13 12.4 -1.8 27 232 10058 335 19 8.0 -17.2 | 265 11 11.2 0.9 28 211 10668 345 20 5.2 -19.3 | 278 8 8.3 -1.2 29 200 11010 340 30 10.3 -28.2 | 307 17 13.4 -10.1 30 159 12497 350 30 5.2 -29.5 | 324 14 8.3 -11.4 31 150 12870 345 27 7.0 -26.1 | 308 13 10.1 -8.0 32 145 13106 350 27 4.7 -26.6 | 317 12 7.8 -8.5 33 131 13716 325 26 14.9 -21.3 | 280 18 18.0 -3.2 34 104 15240 340 37 12.7 -34.8 | 317 23 15.8 -16.7 35 100 15470 335 37 15.6 -33.5 | 309 24 18.8 -15.4 36 94 15850 335 37 15.6 -33.5 | 309 24 18.8 -15.4 37 90 16154 320 34 21.9 -26.0 | 288 26 25.0 -7.9 38 86 16459 335 33 13.9 -29.9 | 305 21 17.1 -11.8 39 78 17069 315 41 29.0 -29.0 | 289 34 32.1 -10.9 40 71 17678 330 44 22.0 -38.1 | 308 32 25.1 -20.0 41 70 17730 315 53 37.5 -37.5 | 295 45 40.6 -19.4 42 67 17983 315 53 37.5 -37.5 | 295 45 40.6 -19.4 43 64 18288 320 45 28.9 -34.5 | 297 36 32.1 -16.4 44 61 18593 325 61 35.0 -50.0 | 310 50 38.1 -31.9 45 50 19850 310 60 46.0 -38.6 | 293 53 49.1 -20.5 46 46 20422 305 63 51.6 -36.1 | 288 58 54.7 -18.0 47 41 21031 315 69 48.8 -48.8 | 301 60 51.9 -30.7 48 39 21336 315 70 49.5 -49.5 | 301 61 52.6 -31.4 49 36 21946 315 86 60.8 -60.8 | 304 77 63.9 -42.7 50 31 22860 325 64 36.7 -52.4 | 311 53 39.8 -34.3 51 30 23070 315 68 48.1 -48.1 | 300 59 51.2 -30.0 52 20 25603 315 96 67.9 -67.9 | 305 87 71.0 -49.8 53 20 25610 305 93 76.2 -53.3 | 294 87 79.3 -35.2 54 17 26518 315 90 63.6 -63.6 | 304 81 66.8 -45.5 55 15 27432 320 119 76.5 -91.2 | 313 108 79.6 -73.0 56 14 28042 315 104 73.5 -73.5 | 306 95 76.7 -55.4 57 12 28651 325 131 75.1 -107.3 | 319 119 78.3 -89.2 58 11 29261 325 145 83.2 -118.8 | 319 133 86.3 -100.7 59 11 29566 320 134 86.1 -102.6 | 313 123 89.3 -84.5 60 10 29960 330 165 82.5 -142.9 | 326 151 85.6 -124.8 61 9 30175 325 165 94.6 -135.2 | 320 153 97.8 -117.0 Wind Parameters Mean winds (0-6000m): 339.8 at 24.5 knts Storm direction: 9.8 at 18.4 knts Shear (0-3000m) pos: 1.3 neg: 3.8 tot: 5.1 10-3/s Storm rel Dir Shear (0-3000m): 99.4 deg Storm rel helicity (0-3000m) pos: 96.4 neg: -18.5 tot: 77.9 m^2/s^2 ave: 26.0 10^-3 m/s^2 rel: 0.47 Storm rel vorticity (0-3000m) horiz: 8.0 stream: 3.8 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 1.81 Bulk Shear: 9.38 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 ------------------------------------------------------------------------------- 500 327 17 255 13| 0.0 22.6 22.6| 57.5 0.0 57.5 115.0 0.82| 22.9 18.8 1000 324 24 274 17| 1.8 11.3 13.1| 82.9 -3.4 79.5 79.5 0.72| 15.9 11.4 1500 325 25 278 17| 1.4 7.5 8.9| 88.3 -6.7 81.5 54.3 0.62| 12.4 7.7 2000 325 26 280 18| 1.0 5.7 6.7| 89.5 -14.5 75.0 37.5 0.53| 10.4 5.5 2500 326 26 281 18| 1.6 4.6 6.1| 96.4 -15.5 81.0 32.4 0.50| 9.4 4.7 3000 328 26 282 17| 1.3 3.8 5.1| 96.4 -18.5 77.9 26.0 0.47| 8.0 3.8 4000 329 25 282 17| 1.3 2.9 4.2|103.1 -23.8 79.3 19.8 0.44| 6.5 2.9 5000 334 25 287 15| 2.5 2.3 4.8|126.5 -23.8 102.6 20.5 0.52| 6.9 3.6 6000 340 25 293 13| 2.1 2.1 4.2|126.5 -26.1 100.4 16.7 0.48| 5.9 2.8 Wrote GIF file: /home/apache/climate/data/raob//CYEV/skewt/CYEV.skewt.20251220.12.gif