UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025122500.upa.cvt Date: 0000Z 25 DEC 25 Searching for CYEV... Searching the city database file for: CYEV ... Date:0000Z 25 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 ------------------------------------------------------------------------------- 0 1000 41 270 4 SFC 992 68 -11.1 -12.4 90 1.3 -11.4 270 4 262.7 262.9 262.2 266.6 1.48 2 936 541 -13.9 -14.1 98 0.2 -13.9 297 23 264.2 264.4 263.2 267.9 1.37 3 925 637 -13.9 -14.3 97 0.4 -14.0 300 25 265.1 265.3 263.8 268.8 1.36 4 905 803 -13.5 -16.8 76 3.3 -14.2 315 24 267.2 267.4 264.8 270.3 1.13 5 850 1277 -16.7 -18.8 84 2.1 -17.1 325 37 268.7 268.8 265.7 271.5 1.02 6 843 1339 -16.5 -19.6 77 3.1 -17.1 323 35 269.5 269.7 266.1 272.2 0.96 7 742 2283 -24.1 -24.6 96 0.5 -24.2 287 12 271.2 271.4 266.9 273.3 0.70 8 700 2707 -24.9 -27.4 80 2.5 -25.2 255 14 274.9 275.0 269.1 276.6 0.58 9 698 2728 -25.1 -27.5 80 2.4 -25.4 255 14 274.9 275.0 269.1 276.6 0.57 10 602 3785 -32.9 -33.2 97 0.3 -32.9 287 30 277.8 277.8 270.5 279.0 0.39 11 596 3855 -33.5 -35.9 79 2.4 -33.7 286 30 277.9 277.9 270.4 278.8 0.30 12 587 3962 -34.5 -37.5 74 3.0 -34.7 283 29 277.9 278.0 270.4 278.7 0.26 13 575 4106 -35.5 -37.4 83 1.9 -35.6 279 27 278.4 278.4 270.7 279.2 0.27 14 559 4302 -36.9 -39.9 74 3.0 -37.1 274 26 279.0 279.0 270.9 279.7 0.21 15 532 4643 -38.7 -43.7 59 5.0 -38.9 267 37 280.8 280.9 271.9 281.3 0.15 16 527 4708 -38.7 -45.7 48 7.0 -39.0 269 41 281.6 281.6 272.3 282.0 0.12 17 522 4773 -37.9 -50.9 24 13.0 -38.4 271 45 283.3 283.3 273.2 283.6 0.07 18 510 4933 -37.5 -55.5 14 18.0 -38.1 274 53 285.7 285.7 274.5 285.8 0.04 19 505 5001 -37.5 -57.5 11 20.0 -38.2 272 54 286.5 286.5 274.9 286.6 0.03 20 500 5070 -37.7 -56.7 12 19.0 -38.4 270 55 287.1 287.1 275.2 287.2 0.04 21 449 5810 -40.5 -59.5 11 19.0 -41.1 263 54 292.5 292.5 278.0 292.6 0.03 22 400 6590 -46.5 -63.5 13 17.0 -46.8 265 56 294.6 294.6 278.9 294.6 0.02 23 385 6843 -48.1 -66.1 11 18.0 -48.4 265 59 295.7 295.7 279.4 295.7 0.01 24 349 7486 -50.5 -66.9 13 16.4 -50.7 265 65 300.9 300.9 281.7 301.0 0.01 25 340 7656 -51.1 -67.1 13 16.0 -51.3 265 61 302.3 302.3 282.3 302.4 0.01 26 300 8470 -51.1 -72.1 6 21.0 -51.4 265 53 313.3 313.3 286.5 313.4 0.01 27 269 9181 -50.7 -74.7 4 24.0 -51.0 265 60 323.8 323.8 289.9 323.9 0.01 28 250 9660 -49.1 -75.1 3 26.0 -49.6 270 56 333.1 333.1 292.6 333.1 0.01 29 243 9845 -48.9 -75.9 3 27.0 -49.4 270 54 336.1 336.1 293.3 336.1 0.01 30 218 10551 -51.5 -79.5 2 28.0 -51.9 274 37 342.7 342.7 295.0 342.7 0.00 31 200 11110 -49.9 -79.9 2 30.0 -50.4 285 45 353.8 353.8 297.4 353.8 0.00 32 193 11344 -48.9 -79.9 2 31.0 -49.5 285 42 359.0 359.0 298.5 359.0 0.00 33 157 12693 -51.5 -83.5 1 32.0 -52.0 292 38 376.4 376.4 301.6 376.4 0.00 34 152 12904 -50.5 -83.5 1 33.0 -51.1 290 33 381.6 381.6 302.5 381.6 0.00 35 150 12990 -50.7 -83.7 1 33.0 -51.3 290 35 382.7 382.7 302.7 382.7 0.00 36 141 13392 -51.7 -84.7 1 33.0 -52.2 290 36 387.8 387.8 303.5 387.8 0.00 37 136 13626 -50.7 -84.7 1 34.0 -51.4 276 35 393.6 393.6 304.3 393.6 0.00 38 109 15049 -56.3 -86.3 1 30.0 -56.7 292 34 408.7 408.7 306.3 408.8 0.00 39 100 15600 -53.3 -86.3 1 33.0 -53.9 295 51 424.7 424.7 308.3 424.8 0.00 40 98 15729 -53.9 -86.9 1 33.0 -54.5 295 51 426.0 426.0 308.4 426.0 0.00 41 96 15862 -52.1 -86.1 1 34.0 -52.9 295 51 432.1 432.1 309.0 432.1 0.00 42 89 16349 -52.9 -86.9 1 34.0 -53.7 303 55 439.9 439.9 309.8 439.9 0.00 43 87 16495 -51.5 -86.5 1 35.0 -52.4 306 55 445.6 445.6 310.4 445.6 0.00 44 73 17630 -51.7 -86.7 1 35.0 -52.7 313 39 468.1 468.1 312.5 468.1 0.00 45 70 17900 -53.1 -87.1 1 34.0 -54.0 310 36 470.8 470.8 312.7 470.8 0.00 46 60 18882 -57.7 -88.7 1 31.0 -58.3 305 41 481.7 481.7 313.6 481.7 0.00 47 55 19434 -55.3 -88.3 1 33.0 -56.2 311 45 499.4 499.4 314.9 499.4 0.00 48 50 20040 -56.5 -89.5 1 33.0 -57.3 325 48 510.3 510.3 315.7 510.3 0.00 49 30 23240 -61.5 -91.5 1 30.0 -62.3 325 69 577.0 577.0 319.5 577.0 0.00 50 28 23664 -63.1 -92.1 1 29.0 -63.8 325 74 584.0 584.0 319.9 584.0 0.00 51 25 24366 -58.7 -90.7 1 32.0 -60.0 325 82 615.9 615.9 321.3 615.9 0.00 52 20 25760 -59.7 -91.7 1 32.0 -61.0 320 79 653.4 653.4 322.8 653.5 0.00 53 15 27557 -62.7 -92.7 1 30.0 -64.0 325 92 699.5 699.5 324.4 699.5 0.00 54 12 28950 -59.3 -92.3 1 33.0 -61.4 325 107 757.6 757.6 326.1 757.7 0.01 55 11 29505 -53.9 -90.9 0 37.0 -57.7 327 113 796.3 796.3 327.1 796.4 0.01 56 10 30120 -53.1 -89.1 0 36.0 -57.5 330 108 821.3 821.3 327.7 821.4 0.01 57 9.5 30451 -52.1 -89.1 0 37.0 -56.9 837.3 837.3 328.1 837.4 0.01 58 7.0 32419 -54.3 -89.3 1 35.0 -59.2 904.6 904.6 329.5 904.8 0.02 59 5.6 33863 -50.1 -88.1 0 38.0 -57.7 982.7 982.7 330.9 983.0 0.03 60 4.4 35434 -51.5 -88.5 0 37.0 -59.3 1046.3 1046.3 331.9 1046.6 0.03 TRP 340 7656 -51.1 -67.1 13 16.0 -51.3 265 61 302.3 302.3 282.3 302.4 0.01 WND 349 7486 -50.5 -66.9 13 16.4 -50.7 265 65 300.9 300.9 281.7 301.0 0.01 Sounding variables and indices 1000-500 mb thick: 5029.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.15 inches Sfc-500 mean rel hum: 79.32 % Est. max temperature: -4.25 C = 24.34 F Sfc-Lift cond lev (LCL): 971.33 mb = 239.50 m = 785.77 ft T: -12.11 C 700-500 lapse rate: 5.42 C/km Conv cond level (CCL): 875.78 mb = 1051.16 m = 3448.64 ft Mean mixing ratio: 1.34 g/kg Conv temperature: -5.82 C = 21.53 F Cap Strength: 15.10 C Lifted Index: 15.54 C Risk: None Lifted Index @300 mb: 31.91 C Lifted Index @700 mb: 6.96 C Showalter Index: 12.96 C Risk: None Total Totals Index: 39.90 C Risk: None Vertical Totals Index: 21.00 C Cross Totals Index: 18.90 C K Index: -0.30 Risk: None Sweat Index: 129.00 Risk: None Energy Index: 3.22 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 21.72 J/kg Max Up Vert Vel: 6.59 m/s Conv Inhibition (B-): 72575.91 J/kg Cap Strength: 15.33 C Lift Cond Lev (LCL): 922.12 mb = 660.69 m = 2167.58 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 312 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 ---------------------------------------------------------- 0 992 68 270 4 4.0 -0.0 | 140 20 -13.1 15.5 1 964 305 285 16 15.5 -4.1 | 172 11 -1.6 11.3 2 928 610 300 25 21.7 -12.5 | 237 5 4.6 3.0 3 925 637 300 25 21.7 -12.5 | 237 5 4.6 3.0 4 892 914 325 24 13.8 -19.7 | 38 5 -3.3 -4.2 5 857 1219 320 36 23.1 -27.6 | 333 14 6.1 -12.1 6 850 1277 325 37 21.2 -30.3 | 344 15 4.1 -14.8 7 789 1829 310 21 16.1 -13.5 | 153 2 -1.0 2.0 8 757 2134 315 18 12.7 -12.7 | 122 5 -4.4 2.7 9 726 2438 255 5 4.8 1.3 | 144 21 -12.3 16.8 10 700 2707 255 14 13.5 3.6 | 169 19 -3.6 19.1 11 696 2743 255 14 13.5 3.6 | 169 19 -3.6 19.1 12 639 3353 285 28 27.0 -7.2 | 230 13 10.0 8.2 13 611 3658 290 31 29.1 -10.6 | 248 13 12.0 4.9 14 561 4267 275 26 25.9 -2.3 | 214 16 8.8 13.2 15 537 4572 265 33 32.9 2.9 | 221 24 15.8 18.3 16 514 4877 275 52 51.8 -4.5 | 253 36 34.7 10.9 17 500 5070 270 55 55.0 -0.0 | 248 41 37.9 15.5 18 430 6096 260 54 53.2 9.4 | 235 44 36.1 24.8 19 400 6590 265 56 55.8 4.9 | 242 44 38.7 20.4 20 349 7486 265 65 64.8 5.7 | 246 52 47.7 21.1 21 342 7620 265 65 64.8 5.7 | 246 52 47.7 21.1 22 340 7656 265 61 60.8 5.3 | 245 48 43.7 20.8 23 300 8470 265 53 52.8 4.6 | 241 41 35.7 20.1 24 271 9144 265 60 59.8 5.2 | 244 47 42.7 20.7 25 250 9660 270 56 56.0 -0.0 | 248 42 38.9 15.5 26 246 9754 270 56 56.0 -0.0 | 248 42 38.9 15.5 27 214 10668 275 34 33.9 -3.0 | 233 21 16.8 12.5 28 204 10973 280 50 49.2 -8.7 | 258 33 32.2 6.8 29 200 11110 285 45 43.5 -11.6 | 262 27 26.4 3.8 30 178 11887 285 34 32.8 -8.8 | 247 17 15.8 6.7 31 162 12497 295 50 45.3 -21.1 | 281 29 28.2 -5.7 32 154 12802 290 31 29.1 -10.6 | 248 13 12.0 4.9 33 150 12990 290 35 32.9 -12.0 | 258 16 15.8 3.5 34 140 13411 290 36 33.8 -12.3 | 259 17 16.7 3.2 35 134 13716 270 35 35.0 -0.0 | 229 24 17.9 15.5 36 106 15240 295 34 30.8 -14.4 | 265 14 13.7 1.1 37 100 15600 295 51 46.2 -21.6 | 282 30 29.1 -6.1 38 96 15850 295 51 46.2 -21.6 | 282 30 29.1 -6.1 39 88 16459 305 56 45.9 -32.1 | 300 33 28.8 -16.7 40 80 17069 320 46 29.6 -35.2 | 328 23 12.5 -19.8 41 70 17900 310 36 27.6 -23.1 | 306 13 10.5 -7.7 42 66 18288 305 35 28.7 -20.1 | 292 12 11.6 -4.6 43 57 19202 305 44 36.0 -25.2 | 297 21 19.0 -9.8 44 50 20040 325 48 27.5 -39.3 | 336 26 10.4 -23.8 45 49 20117 330 45 22.5 -39.0 | 347 24 5.4 -23.5 46 41 21336 320 61 39.2 -46.7 | 325 38 22.1 -31.3 47 30 23240 325 69 39.6 -56.5 | 331 47 22.5 -41.1 48 25 24384 325 82 47.0 -67.2 | 330 60 30.0 -51.7 49 22 25298 325 67 38.4 -54.9 | 332 45 21.3 -39.4 50 20 25760 320 79 50.8 -60.5 | 323 56 33.7 -45.0 51 20 25908 315 69 48.8 -48.8 | 316 46 31.7 -33.3 52 17 26822 320 105 67.5 -80.4 | 322 82 50.4 -65.0 53 15 27432 325 95 54.5 -77.8 | 329 73 37.4 -62.3 54 15 27737 325 89 51.0 -72.9 | 329 67 34.0 -57.4 55 13 28651 325 97 55.6 -79.5 | 329 75 38.6 -64.0 56 11 29261 325 115 66.0 -94.2 | 328 93 48.9 -78.7 57 10 30120 330 108 54.0 -93.5 | 335 86 36.9 -78.1 Wind Parameters Mean winds (0-6000m): 282.2 at 30.7 knts Storm direction: 312.2 at 23.0 knts Shear (0-3000m) pos: 6.5 neg: 4.8 tot: 11.2 10-3/s Storm rel Dir Shear (0-3000m): 56.4 deg Storm rel helicity (0-3000m) pos: 145.3 neg: -28.4 tot: 116.9 m^2/s^2 ave: 39.0 10^-3 m/s^2 rel: 0.28 Storm rel vorticity (0-3000m) horiz: 17.6 stream: 4.9 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.66 Bulk Shear: 32.90 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 ------------------------------------------------------------------------------- 500 289 15 165 11| 20.9 0.0 20.9| 50.0 0.0 50.0 100.1 0.73| 22.0 16.1 1000 305 20 173 4| 14.3 0.0 14.3| 55.3 -7.0 48.4 48.4 0.52| 20.0 10.4 1500 313 25 323 2| 9.5 1.1 10.6| 59.2 -15.9 43.3 28.9 0.32| 19.1 6.1 2000 313 24 336 1| 7.1 3.1 10.2| 59.2 -17.3 41.9 20.9 0.17| 17.6 2.9 2500 312 22 136 1| 5.7 5.7 11.4| 83.7 -28.4 55.3 22.1 0.18| 18.4 3.3 3000 306 21 174 4| 6.5 4.8 11.2|145.3 -28.4 116.9 39.0 0.28| 17.6 4.9 4000 299 23 210 5| 6.3 4.2 10.6|189.7 -49.3 140.3 35.1 0.29| 15.6 4.5 5000 290 26 227 10| 7.0 4.0 11.0|324.8 -87.1 237.7 47.5 0.30| 16.3 5.0 6000 282 31 235 16| 5.8 4.1 10.0|324.8-186.9 138.0 23.0 0.23| 14.4 3.4 Wrote GIF file: /home/apache/climate/data/raob//CYEV/skewt/CYEV.skewt.20251225.00.gif