UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121712.upa.cvt Date: 1200Z 17 DEC 25 Searching for CYEV... Searching the city database file for: CYEV ... Date:1200Z 17 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 65 300 13 SFC 995 68 -13.7 -16.2 81 2.5 -14.2 300 13 259.8 260.0 259.3 262.7 1.08 2 986 142 -13.7 -17.9 71 4.2 -14.5 297 19 260.5 260.6 259.5 263.1 0.95 3 925 653 -18.5 -19.4 93 0.9 -18.7 300 37 260.4 260.5 259.3 262.8 0.89 4 876 1056 -21.7 -22.0 97 0.3 -21.7 307 49 261.2 261.3 259.6 263.2 0.75 5 868 1124 -21.1 -23.5 81 2.4 -21.4 308 53 262.5 262.6 260.5 264.3 0.66 6 861 1183 -22.3 -23.6 89 1.3 -22.5 309 57 261.8 261.9 260.0 263.7 0.66 7 850 1278 -21.7 -23.9 82 2.2 -22.0 305 61 263.4 263.5 261.2 265.2 0.65 8 847 1304 -21.5 -24.3 78 2.8 -21.9 305 60 263.9 264.0 261.5 265.7 0.63 9 702 2672 -26.3 -29.0 78 2.7 -26.6 300 38 273.1 273.2 267.8 274.6 0.50 10 700 2693 -26.3 -29.4 75 3.1 -26.6 300 38 273.4 273.4 267.9 274.8 0.48 11 694 2755 -25.9 -28.6 78 2.7 -26.2 300 38 274.5 274.6 268.7 276.0 0.52 12 609 3689 -31.5 -32.4 92 0.9 -31.6 300 38 278.5 278.5 271.0 279.7 0.41 13 545 4464 -37.1 -42.1 60 5.0 -37.4 303 38 280.8 280.8 271.9 281.4 0.17 14 541 4515 -35.9 -40.6 62 4.7 -36.2 303 38 282.8 282.9 273.2 283.5 0.20 15 509 4937 -37.5 -44.5 48 7.0 -37.9 300 39 285.9 285.9 274.8 286.3 0.14 16 507 4964 -37.5 -41.5 66 4.0 -37.7 300 40 286.2 286.2 275.0 286.8 0.20 17 504 5005 -37.5 -44.5 48 7.0 -37.9 300 41 286.7 286.7 275.2 287.1 0.14 18 500 5060 -37.9 -43.9 53 6.0 -38.2 300 43 286.8 286.9 275.3 287.3 0.16 19 471 5471 -40.5 -50.5 33 10.0 -40.9 294 41 288.5 288.6 276.0 288.8 0.08 20 431 6072 -44.9 -51.9 45 7.0 -45.1 294 41 290.4 290.4 277.0 290.6 0.07 21 427 6135 -45.3 -48.8 68 3.5 -45.4 295 41 290.6 290.7 277.2 291.0 0.11 22 400 6570 -47.9 -52.2 61 4.3 -48.0 295 46 292.7 292.7 278.2 293.0 0.08 23 396 6636 -48.3 -51.7 68 3.4 -48.4 295 46 293.1 293.1 278.3 293.3 0.08 24 390 6737 -48.3 -60.3 24 12.0 -48.6 295 47 294.3 294.3 278.8 294.4 0.03 25 386 6805 -48.9 -55.9 44 7.0 -49.1 295 48 294.4 294.4 278.9 294.6 0.05 26 373 7029 -50.1 -62.1 23 12.0 -50.3 295 49 295.7 295.7 279.4 295.8 0.02 27 319 8034 -57.3 -64.3 41 7.0 -57.4 295 43 299.3 299.3 281.0 299.4 0.02 28 300 8420 -59.3 -65.3 46 6.0 -59.3 305 42 301.8 301.8 282.1 301.8 0.02 29 296 8504 -59.7 -66.7 40 7.0 -59.7 305 43 302.3 302.4 282.4 302.4 0.02 30 281 8829 -58.9 -69.9 23 11.0 -59.0 310 41 308.0 308.0 284.6 308.1 0.01 31 270 9080 -56.9 -76.9 6 20.0 -57.1 314 39 314.5 314.5 286.9 314.5 0.00 32 264 9223 -55.1 -74.1 8 19.0 -55.3 316 39 319.1 319.1 288.5 319.2 0.01 33 250 9570 -55.3 -78.3 4 23.0 -55.5 315 34 323.9 323.9 289.9 323.9 0.00 34 242 9778 -55.9 -75.9 6 20.0 -56.1 312 34 326.0 326.0 290.6 326.0 0.01 35 220 10389 -54.1 -80.1 3 26.0 -54.4 306 35 337.8 337.8 293.7 337.8 0.00 36 203 10912 -49.3 -82.3 1 33.0 -49.8 319 31 353.2 353.2 297.3 353.2 0.00 37 200 11010 -49.5 -81.5 1 32.0 -50.0 320 29 354.4 354.4 297.5 354.4 0.00 38 158 12528 -54.7 -84.7 1 30.0 -55.1 320 28 370.3 370.3 300.6 370.3 0.00 39 150 12860 -52.7 -84.7 1 32.0 -53.2 315 35 379.3 379.3 302.1 379.3 0.00 40 144 13124 -51.7 -84.7 1 33.0 -52.2 317 42 385.5 385.5 303.1 385.5 0.00 41 133 13646 -46.7 -83.7 1 37.0 -47.7 322 43 403.2 403.2 305.6 403.2 0.00 42 123 14164 -47.3 -83.3 1 36.0 -48.3 323 29 411.3 411.3 306.7 411.3 0.00 43 111 14838 -50.7 -84.7 1 34.0 -51.5 314 30 417.1 417.1 307.4 417.1 0.00 44 107 15077 -50.9 -84.9 1 34.0 -51.7 312 32 421.2 421.2 307.9 421.2 0.00 45 100 15520 -48.5 -84.5 1 36.0 -49.6 320 33 434.0 434.0 309.3 434.0 0.00 46 89 16284 -48.9 -84.9 1 36.0 -50.1 313 42 447.9 447.9 310.7 447.9 0.00 47 70 17880 -42.9 -82.9 0 40.0 -45.4 310 59 492.6 492.6 314.4 492.6 0.01 48 67 18176 -41.9 -82.9 0 41.0 -44.7 308 58 501.0 501.0 315.0 501.0 0.01 49 58 19151 -41.7 -82.7 0 41.0 -44.9 307 63 522.5 522.5 316.5 522.6 0.01 50 50 20150 -44.5 -84.5 0 40.0 -47.3 310 67 538.6 538.6 317.5 538.6 0.01 51 45 20853 -45.1 -85.1 0 40.0 -48.0 318 56 553.6 553.6 318.3 553.7 0.01 52 40 21630 -50.1 -87.1 1 37.0 -52.1 315 40 560.0 560.0 318.6 560.1 0.00 53 33 22888 -48.7 -86.7 0 38.0 -51.4 316 58 595.4 595.4 320.4 595.5 0.01 54 30 23510 -51.3 -87.3 1 36.0 -53.6 300 59 604.8 604.8 320.8 604.8 0.01 55 28 23960 -52.1 -88.1 1 36.0 -54.4 306 60 614.6 614.6 321.3 614.7 0.01 56 21 25855 -46.5 -85.5 0 39.0 -51.0 321 65 684.2 684.2 323.9 684.3 0.01 57 20 26180 -46.7 -85.7 0 39.0 -51.2 325 61 693.2 693.2 324.2 693.3 0.01 58 16 27646 -50.3 -88.3 0 38.0 -54.3 315 67 727.2 727.2 325.3 727.2 0.01 59 15 28069 -47.1 -86.1 0 39.0 -52.4 325 78 751.4 751.4 326.0 751.5 0.02 60 13 29014 -47.7 -86.7 0 39.0 -53.2 325 75 780.7 780.7 326.8 780.8 0.02 61 12 29538 -51.5 -88.5 0 37.0 -55.9 325 85 785.3 785.3 326.9 785.4 0.01 62 11 30106 -48.1 -87.1 0 39.0 -54.1 323 81 817.4 817.4 327.7 817.6 0.02 63 10 30730 -50.9 -87.9 0 37.0 -56.1 320 76 829.5 829.6 328.0 829.7 0.02 64 8.6 31704 -54.3 -89.3 1 35.0 -58.6 852.9 852.9 328.5 853.0 0.02 65 8.4 31857 -48.9 -86.9 0 38.0 -55.5 879.8 879.8 329.0 880.0 0.02 66 8.0 32178 -48.4 -86.8 0 38.4 -55.4 325 99 894.0 894.0 329.3 894.3 0.03 67 7.4 32692 -47.7 -86.7 0 39.0 -55.4 917.2 917.2 329.8 917.4 0.03 TRP 296 8504 -59.7 -66.7 40 7.0 -59.7 305 43 302.3 302.4 282.4 302.4 0.02 WND 8.0 32178 -48.4 -86.8 0 38.4 -55.4 325 99 894.0 894.0 329.3 894.3 0.03 Sounding variables and indices 1000-500 mb thick: 4995.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.12 inches Sfc-500 mean rel hum: 78.09 % Est. max temperature: -9.52 C = 14.86 F Sfc-Lift cond lev (LCL): 955.48 mb = 393.34 m = 1290.47 ft T: -16.06 C 700-500 lapse rate: 4.90 C/km ThetaE index: 0.65 C Layer 861.0- 850.0 mb Conv cond level (CCL): 911.03 mb = 765.77 m = 2512.32 ft Mean mixing ratio: 0.90 g/kg Conv temperature: -12.91 C = 8.76 F Cap Strength: 19.61 C Lifted Index: 19.68 C Risk: None Lifted Index @300 mb: 27.52 C Lifted Index @700 mb: 10.07 C Showalter Index: 17.80 C Risk: None Total Totals Index: 30.20 C Risk: None Vertical Totals Index: 16.20 C Cross Totals Index: 14.00 C K Index: -10.80 Risk: None Sweat Index: 165.00 Risk: None Energy Index: 4.64 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 1.47 J/kg Max Up Vert Vel: 1.71 m/s Conv Inhibition (B-): 79035.58 J/kg Cap Strength: 19.62 C Lift Cond Lev (LCL): 912.89 mb = 750.67 m = 2462.79 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 330 at 30 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 ---------------------------------------------------------- 0 995 68 300 13 11.3 -6.5 | 169 20 -3.7 19.7 1 966 305 290 31 29.1 -10.6 | 222 21 14.2 15.6 2 930 610 305 36 29.5 -20.6 | 249 16 14.6 5.6 3 925 653 300 37 32.0 -18.5 | 246 19 17.1 7.7 4 893 914 305 41 33.6 -23.5 | 262 19 18.7 2.7 5 857 1219 310 59 45.2 -37.9 | 291 32 30.3 -11.7 6 850 1278 305 61 50.0 -35.0 | 284 36 35.0 -8.7 7 788 1829 300 47 40.7 -23.5 | 264 26 25.8 2.7 8 756 2134 300 41 35.5 -20.5 | 254 21 20.6 5.7 9 725 2438 300 40 34.6 -20.0 | 252 21 19.7 6.2 10 700 2693 300 38 32.9 -19.0 | 248 19 18.0 7.2 11 695 2743 300 38 32.9 -19.0 | 248 19 18.0 7.2 12 637 3353 300 34 29.4 -17.0 | 238 17 14.5 9.2 13 610 3658 300 38 32.9 -19.0 | 248 19 18.0 7.2 14 560 4267 305 39 31.9 -22.4 | 257 17 17.0 3.9 15 513 4877 300 37 32.0 -18.5 | 246 19 17.1 7.7 16 500 5060 300 43 37.2 -21.5 | 258 23 22.3 4.7 17 449 5791 290 39 36.6 -13.3 | 239 25 21.7 12.9 18 429 6096 295 41 37.2 -17.3 | 248 24 22.2 8.9 19 400 6570 295 46 41.7 -19.4 | 256 28 26.8 6.8 20 374 7010 295 49 44.4 -20.7 | 259 30 29.5 5.5 21 340 7620 295 45 40.8 -19.0 | 254 27 25.8 7.2 22 309 8230 295 42 38.1 -17.7 | 250 25 23.1 8.5 23 300 8420 305 42 34.4 -24.1 | 264 20 19.5 2.2 24 296 8504 305 43 35.2 -24.7 | 266 20 20.3 1.6 25 267 9144 315 39 27.6 -27.6 | 276 13 12.6 -1.3 26 255 9449 320 39 25.1 -29.9 | 290 11 10.1 -3.6 27 250 9570 315 34 24.0 -24.0 | 256 9 9.1 2.2 28 221 10363 305 35 28.7 -20.1 | 246 15 13.7 6.2 29 211 10668 315 37 26.2 -26.2 | 270 11 11.2 0.1 30 200 11010 320 29 18.6 -22.2 | 223 5 3.7 4.0 31 174 11887 335 25 10.6 -22.7 | 129 6 -4.4 3.6 32 166 12192 325 22 12.6 -18.0 | 164 9 -2.3 8.2 33 150 12860 315 35 24.7 -24.7 | 261 10 9.8 1.5 34 138 13411 320 50 32.1 -38.3 | 305 21 17.2 -12.1 35 126 14021 325 32 18.4 -26.2 | 270 3 3.4 0.0 36 120 14326 320 25 16.1 -19.2 | 189 7 1.1 7.1 37 104 15240 310 34 26.0 -21.9 | 248 12 11.1 4.4 38 100 15520 320 33 21.2 -25.3 | 261 6 6.3 1.0 39 95 15850 320 33 21.2 -25.3 | 261 6 6.3 1.0 40 83 16764 305 51 41.8 -29.3 | 276 27 26.8 -3.0 41 79 17069 320 52 33.4 -39.8 | 306 23 18.5 -13.6 42 70 17880 310 59 45.2 -37.9 | 291 32 30.3 -11.7 43 63 18593 305 56 45.9 -32.1 | 281 31 30.9 -5.9 44 53 19812 310 71 54.4 -45.6 | 296 44 39.5 -19.4 45 50 20150 310 67 51.3 -43.1 | 295 40 36.4 -16.8 46 44 21031 320 53 34.1 -40.6 | 307 24 19.1 -14.4 47 42 21336 315 44 31.1 -31.1 | 287 17 16.2 -4.9 48 40 21641 315 40 28.3 -28.3 | 279 14 13.3 -2.0 49 36 22250 310 50 38.3 -32.1 | 284 24 23.4 -5.9 50 35 22555 325 57 32.7 -46.7 | 319 27 17.8 -20.4 51 30 23510 300 59 51.1 -29.5 | 275 36 36.2 -3.3 52 29 23774 300 56 48.5 -28.0 | 273 34 33.6 -1.8 53 26 24384 320 69 44.4 -52.9 | 312 40 29.4 -26.6 54 24 24994 310 74 56.7 -47.6 | 297 47 41.8 -21.3 55 20 26180 325 61 35.0 -50.0 | 320 31 20.1 -23.7 56 20 26213 325 78 44.7 -63.9 | 322 48 29.8 -37.7 57 17 27127 315 54 38.2 -38.2 | 297 26 23.2 -11.9 58 17 27432 310 60 46.0 -38.6 | 292 33 31.0 -12.3 59 15 28042 325 79 45.3 -64.7 | 322 49 30.4 -38.5 60 14 28346 325 63 36.1 -51.6 | 320 33 21.2 -25.4 61 12 29566 325 86 49.3 -70.4 | 322 56 34.4 -44.2 62 10 30730 320 76 48.9 -58.2 | 313 47 33.9 -32.0 Wind Parameters Mean winds (0-6000m): 300.4 at 40.3 knts Storm direction: 330.4 at 30.2 knts Shear (0-3000m) pos: 6.4 neg: 2.6 tot: 9.0 10-3/s Storm rel Dir Shear (0-3000m): 73.3 deg Storm rel helicity (0-3000m) pos: 213.5 neg: -150.2 tot: 63.3 m^2/s^2 ave: 21.1 10^-3 m/s^2 rel: 0.25 Storm rel vorticity (0-3000m) horiz: 13.9 stream: 3.4 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.07 Bulk Shear: 21.42 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 ------------------------------------------------------------------------------- 500 295 28 216 18| 23.0 0.0 23.0|118.8 0.0 118.8 237.6 0.93| 27.0 25.2 1000 301 34 239 17| 19.1 0.0 19.1|185.8 0.0 185.8 185.8 0.86| 22.1 19.0 1500 303 42 261 21| 12.8 2.0 14.8|213.5 -66.4 147.1 98.1 0.53| 21.5 11.4 2000 302 44 263 22| 9.6 2.5 12.1|213.5-124.3 89.2 44.6 0.34| 19.1 6.4 2500 302 43 261 22| 7.7 2.6 10.2|213.5-137.6 75.9 30.3 0.29| 16.0 4.7 3000 302 42 259 21| 6.4 2.6 9.0|213.5-150.2 63.3 21.1 0.25| 13.9 3.4 4000 301 41 256 20| 5.1 1.9 6.9|238.5-157.0 81.5 20.4 0.27| 11.4 3.1 5000 302 40 255 20| 4.1 1.3 5.3|266.5-174.1 92.4 18.5 0.26| 10.2 2.6 6000 300 40 253 21| 3.5 1.5 5.0|287.4-221.5 65.9 11.0 0.19| 9.5 1.8 Wrote GIF file: /home/apache/climate/data/raob//CYEV/skewt/CYEV.skewt.20251217.12.gif