UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025102812.upa.cvt Date: 1200Z 28 OCT 25 Searching for CYAH... Searching the city database file for: CYAH ... Date:1200Z 28 OCT 25 Station: CYAH WMO ident: 71823 Latitude: 53.75 Longitude: -73.68 Elevation: 306.00 ------------------------------------------------------------------------------- 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 268 25 2 SFC 996 306 -4.1 -4.6 96 0.5 -4.3 25 2 269.4 269.8 269.1 276.7 2.72 2 991 345 -1.5 -2.8 91 1.3 -2.0 8 3 272.4 272.9 271.6 280.9 3.13 3 978 450 -1.3 -2.7 90 1.4 -1.9 323 7 273.6 274.1 272.5 282.3 3.20 4 970 515 1.4 -2.5 75 3.9 -0.2 295 9 277.0 277.5 274.6 286.0 3.27 5 962 581 1.0 -2.9 75 3.9 -0.5 266 11 277.2 277.7 274.6 286.1 3.20 6 955 639 4.0 -2.0 65 6.0 1.5 256 12 280.8 281.4 276.9 290.5 3.45 7 950 681 4.2 -0.3 72 4.5 2.2 256 13 281.4 282.1 277.9 292.5 3.93 8 938 784 3.8 1.6 86 2.2 2.8 258 13 282.1 282.9 279.0 294.8 4.58 9 925 896 3.8 -0.3 75 4.1 2.0 260 14 283.2 283.9 278.9 294.6 4.04 10 909 1038 3.8 0.1 77 3.7 2.1 266 14 284.6 285.3 279.8 296.6 4.24 11 905 1074 4.0 -5.0 52 9.0 0.4 268 15 285.2 285.7 278.4 293.5 2.91 12 903 1092 3.8 -5.2 52 9.0 0.2 269 15 285.2 285.6 278.3 293.4 2.87 13 894 1173 4.0 -9.0 38 13.0 -0.8 273 15 286.2 286.6 277.9 292.5 2.16 14 883 1274 3.8 -5.2 52 9.0 0.1 278 14 287.0 287.5 279.3 295.5 2.94 15 860 1488 3.2 -14.8 25 18.0 -2.6 288 9 288.5 288.8 278.0 292.8 1.41 16 856 1526 3.0 -11.0 35 14.0 -2.0 290 8 288.7 289.0 278.8 294.4 1.93 17 854 1545 2.6 -2.1 71 4.7 0.5 290 8 288.5 289.2 281.1 299.5 3.83 18 850 1583 2.6 -3.4 65 6.0 0.0 290 8 288.9 289.5 280.9 299.0 3.50 19 848 1602 2.6 -4.4 60 7.0 -0.3 290 8 289.1 289.6 280.7 298.5 3.25 20 815 1922 0.4 -6.6 59 7.0 -2.3 305 12 290.0 290.5 280.6 298.4 2.86 21 804 2031 0.8 -12.2 37 13.0 -3.7 323 13 291.6 291.9 280.1 297.2 1.86 22 798 2091 2.4 -26.6 10 29.0 -4.9 333 14 293.9 294.0 279.4 295.7 0.54 23 758 2505 0.6 -14.4 31 15.0 -4.4 340 12 296.3 296.6 282.0 301.4 1.65 24 751 2579 1.0 -20.0 19 21.0 -5.3 334 12 297.5 297.7 281.7 300.9 1.04 25 714 2985 0.0 -24.0 14 24.0 -6.5 328 11 300.8 300.9 282.7 303.3 0.77 26 700 3143 -0.9 -29.9 9 29.0 -7.7 320 13 301.5 301.6 282.6 303.0 0.46 27 630 3978 -4.1 -38.1 5 34.0 -10.6 310 13 307.1 307.1 284.5 307.9 0.23 28 615 4167 -5.5 -40.5 4 35.0 -11.7 313 12 307.6 307.6 284.7 308.2 0.18 29 606 4282 -5.9 -35.9 7 30.0 -11.8 315 11 308.4 308.5 285.1 309.5 0.29 30 603 4321 -6.3 -24.3 23 18.0 -11.1 316 11 308.4 308.6 285.8 311.4 0.89 31 585 4557 -7.7 -42.7 4 35.0 -13.5 322 13 309.4 309.5 285.3 310.0 0.15 32 510 5610 -14.3 -50.3 3 36.0 -18.7 352 19 313.8 313.8 286.8 314.1 0.07 33 500 5760 -15.7 -50.7 3 35.0 -19.7 355 18 313.9 313.9 286.8 314.2 0.07 34 452 6512 -21.5 -53.5 4 32.0 -24.4 358 18 315.8 315.8 287.4 316.0 0.06 35 446 6610 -22.1 -48.1 8 26.0 -24.8 6 19 316.3 316.3 287.6 316.7 0.11 36 439 6726 -23.3 -33.3 39 10.0 -24.9 15 19 316.2 316.3 288.1 318.0 0.53 37 436 6776 -23.5 -37.5 26 14.0 -25.5 15 18 316.5 316.6 288.0 317.8 0.35 38 431 6861 -24.1 -37.1 29 13.0 -25.9 14 18 316.8 316.9 288.1 318.2 0.37 39 429 6895 -24.3 -31.3 52 7.0 -25.5 14 17 317.0 317.1 288.5 319.3 0.65 40 425 6963 -24.9 -35.9 35 11.0 -26.5 13 17 317.1 317.2 288.3 318.6 0.42 41 422 7014 -25.3 -32.3 52 7.0 -26.4 13 16 317.2 317.3 288.5 319.3 0.60 42 410 7223 -27.1 -33.1 57 6.0 -28.0 11 15 317.5 317.6 288.6 319.5 0.57 43 400 7400 -28.7 -34.7 56 6.0 -29.5 10 13 317.7 317.8 288.6 319.5 0.50 44 385 7672 -31.1 -36.1 61 5.0 -31.7 14 13 318.0 318.1 288.6 319.7 0.45 45 346 8420 -37.5 -45.5 43 8.0 -38.1 18 13 319.2 319.3 288.7 319.9 0.19 46 334 8663 -38.9 -51.9 24 13.0 -39.6 25 14 320.5 320.6 289.0 320.9 0.09 47 311 9148 -43.5 -51.5 41 8.0 -43.9 20 15 320.7 320.7 289.1 321.1 0.11 48 300 9390 -44.3 -60.3 15 16.0 -44.8 10 25 322.9 322.9 289.7 323.1 0.04 49 260 10329 -52.1 -63.1 25 11.0 -52.3 2 22 324.9 324.9 290.3 325.1 0.03 50 250 10580 -54.5 -62.5 37 8.0 -54.6 360 19 325.0 325.0 290.3 325.2 0.03 51 230 11111 -58.9 -63.5 55 4.6 -59.0 5 17 326.2 326.2 290.6 326.3 0.03 52 219 11419 -60.5 -70.5 26 10.0 -60.6 358 18 328.3 328.3 291.3 328.4 0.01 53 200 11980 -65.1 -71.1 43 6.0 -65.1 355 30 329.7 329.7 291.6 329.7 0.01 54 183 12518 -68.9 -72.9 56 4.0 -68.9 345 29 332.0 332.0 292.3 332.0 0.01 55 176 12752 -67.9 -73.9 42 6.0 -67.9 345 32 337.3 337.3 293.7 337.4 0.01 56 168 13032 -68.9 -73.9 48 5.0 -68.9 343 28 340.2 340.2 294.4 340.2 0.01 57 165 13141 -67.7 -75.7 31 8.0 -67.8 342 26 344.0 344.0 295.3 344.0 0.01 58 150 13720 -64.5 -81.5 8 17.0 -64.6 70 6 359.0 359.0 298.5 359.0 0.00 59 100 16220 -62.5 -85.5 3 23.0 -62.7 340 9 407.0 407.0 306.1 407.0 0.00 60 70 18430 -60.5 -87.5 2 27.0 -60.9 350 11 455.0 455.0 311.3 455.0 0.00 61 68 18610 -60.3 -87.3 2 27.0 -60.7 341 13 459.2 459.2 311.7 459.2 0.00 62 50 20510 -63.7 -88.7 2 25.0 -64.1 345 12 493.4 493.4 314.5 493.4 0.00 63 38 22197 -61.9 -88.9 2 27.0 -62.5 348 10 538.2 538.2 317.4 538.3 0.00 64 30 23650 -63.9 -89.9 2 26.0 -64.5 350 14 570.4 570.4 319.2 570.5 0.00 65 25 24768 -64.7 -90.7 2 26.0 -65.3 4 15 598.7 598.7 320.6 598.7 0.00 66 20 26140 -62.3 -89.3 2 27.0 -63.3 280 15 645.5 645.5 322.5 645.5 0.01 67 15 27908 -64.9 -90.9 2 26.0 -65.8 316 9 692.2 692.2 324.2 692.2 0.01 68 10 30390 -63.7 -90.7 1 27.0 -65.3 310 22 781.8 781.8 326.8 781.9 0.01 69 8.9 31104 -64.5 -91.5 1 27.0 -66.1 805.2 805.2 327.4 805.3 0.01 70 7.2 32419 -58.1 -88.1 1 30.0 -61.6 881.7 881.8 329.1 882.0 0.02 71 6.3 33255 -60.5 -88.5 1 28.0 -63.6 905.8 905.9 329.5 906.1 0.02 TRP 183 12518 -68.9 -72.9 56 4.0 -68.9 345 29 332.0 332.0 292.3 332.0 0.01 WND Sounding variables and indices 1000-500 mb thick: 5492.00 m Freezing level: Surface below freezing Freezing level: 974.15 mb = 480.99 m = 1578.04 ft Freezing level: 714.00 mb = 2984.72 m = 9792.27 ft Wetbulb zero: Below ground Precipitable water: 0.32 inches Sfc-500 mean rel hum: 26.08 % Est. max temperature: 15.64 C = 60.15 F Sfc-Lift cond lev (LCL): 988.06 mb = 368.94 m = 1210.42 ft T: -1.45 C 700-500 lapse rate: 5.66 C/km ThetaE index: 4.07 C Layer 905.0- 883.0 mb Conv cond level (CCL): 996.00 mb = 306.00 m = 1003.92 ft Mean mixing ratio: 3.61 g/kg Conv temperature: -0.82 C = 30.52 F Cap Strength: 20.60 C Lifted Index: 20.46 C Risk: None Lifted Index @300 mb: 23.30 C Lifted Index @700 mb: 14.67 C Showalter Index: 13.93 C Risk: None Total Totals Index: 30.60 C Risk: None Vertical Totals Index: 18.30 C Cross Totals Index: 12.30 C K Index: -14.10 Risk: None Sweat Index: 34.00 Risk: None Energy Index: 3.30 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 59.20 J/kg Max Up Vert Vel: 10.88 m/s Conv Inhibition (B-): 67808.67 J/kg Cap Strength: 20.60 C Lift Cond Lev (LCL): 889.56 mb = 1213.69 m = 3981.86 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 350 at 10 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 ---------------------------------------------------------- 0 996 306 25 2 -0.8 -1.8 | 162 8 -2.5 8.0 1 959 610 255 12 11.6 3.1 | 217 16 9.9 12.9 2 925 896 260 14 13.8 2.4 | 225 17 12.1 12.3 3 923 914 260 14 13.8 2.4 | 225 17 12.1 12.3 4 889 1219 275 15 14.9 -1.3 | 237 16 13.2 8.5 5 856 1524 290 8 7.5 -2.7 | 219 9 5.8 7.1 6 850 1583 290 8 7.5 -2.7 | 219 9 5.8 7.1 7 824 1829 290 11 10.3 -3.8 | 235 11 8.6 6.1 8 794 2134 340 14 4.8 -13.2 | 317 5 3.1 -3.3 9 764 2438 345 12 3.1 -11.6 | 321 2 1.4 -1.8 10 736 2743 320 12 7.7 -9.2 | 264 6 6.0 0.6 11 708 3048 330 11 5.5 -9.5 | 265 4 3.8 0.3 12 700 3143 320 13 8.4 -10.0 | 271 7 6.7 -0.1 13 655 3658 305 14 11.5 -8.0 | 260 10 9.8 1.8 14 630 3962 310 13 10.0 -8.4 | 260 8 8.3 1.5 15 606 4267 315 11 7.8 -7.8 | 251 6 6.1 2.1 16 560 4877 330 15 7.5 -13.0 | 299 7 5.8 -3.2 17 518 5486 350 19 3.3 -18.7 | 350 9 1.6 -8.9 18 500 5760 355 18 1.6 -17.9 | 1 8 -0.1 -8.1 19 478 6096 350 14 2.4 -13.8 | 349 4 0.7 -4.0 20 458 6401 350 18 3.1 -17.7 | 350 8 1.4 -7.9 21 440 6706 15 19 -4.9 -18.4 | 38 11 -6.6 -8.5 22 400 7400 10 13 -2.3 -12.8 | 53 5 -4.0 -3.0 23 387 7620 15 13 -3.4 -12.6 | 62 6 -5.1 -2.7 24 371 7925 5 12 -1.0 -12.0 | 52 3 -2.7 -2.1 25 325 8839 30 14 -7.0 -12.1 | 75 9 -8.7 -2.3 26 311 9144 20 15 -5.1 -14.1 | 58 8 -6.8 -4.3 27 300 9390 10 25 -4.3 -24.6 | 22 16 -6.0 -14.8 28 297 9449 10 25 -4.3 -24.6 | 22 16 -6.0 -14.8 29 284 9754 20 23 -7.9 -21.6 | 39 15 -9.6 -11.8 30 271 10058 5 25 -2.2 -24.9 | 14 16 -3.9 -15.1 31 250 10580 360 19 -0.0 -19.0 | 10 9 -1.7 -9.2 32 247 10668 5 20 -1.7 -19.9 | 19 11 -3.4 -10.1 33 224 11278 5 16 -1.4 -15.9 | 27 7 -3.1 -6.1 34 213 11582 350 21 3.6 -20.7 | 350 11 2.0 -10.8 35 203 11887 360 27 -0.0 -27.0 | 6 17 -1.7 -17.2 36 200 11980 355 30 2.6 -29.9 | 357 20 0.9 -20.1 37 183 12518 345 29 7.5 -28.0 | 342 19 5.8 -18.2 38 175 12802 345 33 8.5 -31.9 | 343 23 6.8 -22.0 39 158 13411 340 20 6.8 -18.8 | 330 10 5.1 -9.0 40 150 13716 20 26 -8.9 -24.4 | 36 18 -10.6 -14.6 41 150 13720 70 6 -5.6 -2.1 | 137 11 -7.3 7.8 42 143 14021 330 10 5.0 -8.7 | 250 4 3.3 1.2 43 136 14326 355 10 0.9 -10.0 | 81 1 -0.8 -0.1 44 129 14630 285 10 9.7 -2.6 | 228 11 8.0 7.2 45 123 14935 330 18 9.0 -15.6 | 308 9 7.3 -5.8 46 117 15240 310 12 9.2 -7.7 | 254 8 7.5 2.1 47 112 15545 320 19 12.2 -14.6 | 294 12 10.5 -4.7 48 106 15850 325 23 13.2 -18.8 | 308 15 11.5 -9.0 49 101 16154 360 16 -0.0 -16.0 | 15 6 -1.7 -6.2 50 100 16220 340 9 3.1 -8.5 | 225 2 1.4 1.4 51 96 16459 340 9 3.1 -8.5 | 225 2 1.4 1.4 52 92 16764 320 21 13.5 -16.1 | 298 13 11.8 -6.3 53 87 17069 345 16 4.1 -15.5 | 336 6 2.4 -5.6 54 83 17374 340 10 3.4 -9.4 | 256 2 1.7 0.4 55 79 17678 350 13 2.3 -12.8 | 349 3 0.6 -3.0 56 75 17983 285 10 9.7 -2.6 | 228 11 8.0 7.2 57 72 18288 315 15 10.6 -10.6 | 275 9 8.9 -0.8 58 70 18430 350 11 1.9 -10.8 | 348 1 0.2 -1.0 59 68 18593 340 13 4.4 -12.2 | 311 4 2.8 -2.4 60 62 19202 360 10 -0.0 -10.0 | 84 2 -1.7 -0.2 61 59 19507 350 10 1.7 -9.8 | 292 0 0.0 -0.0 62 56 19812 15 11 -2.8 -10.6 | 80 5 -4.5 -0.8 63 51 20422 345 10 2.6 -9.7 | 259 1 0.9 0.2 64 50 20510 345 12 3.1 -11.6 | 321 2 1.4 -1.8 65 48 20726 335 11 4.6 -10.0 | 273 3 3.0 -0.1 66 46 21031 355 10 0.9 -10.0 | 81 1 -0.8 -0.1 67 44 21336 335 10 4.2 -9.1 | 253 3 2.5 0.8 68 42 21641 330 10 5.0 -8.7 | 250 4 3.3 1.2 69 38 22250 350 10 1.7 -9.8 | 292 0 0.0 -0.0 70 34 22860 320 10 6.4 -7.7 | 245 5 4.7 2.2 71 31 23470 345 11 2.8 -10.6 | 305 1 1.2 -0.8 72 30 23650 350 14 2.4 -13.8 | 349 4 0.7 -4.0 73 29 23774 325 10 5.7 -8.2 | 248 4 4.0 1.6 74 28 24079 10 16 -2.8 -15.8 | 37 7 -4.5 -5.9 75 25 24689 360 14 -0.0 -14.0 | 22 5 -1.7 -4.2 76 24 24994 15 17 -4.4 -16.4 | 43 9 -6.1 -6.6 77 23 25298 30 14 -7.0 -12.1 | 75 9 -8.7 -2.3 78 21 25908 10 3 -0.5 -3.0 | 162 7 -2.2 6.9 79 20 26140 280 15 14.8 -2.6 | 241 15 13.1 7.2 80 19 26518 270 10 10.0 -0.0 | 220 13 8.3 9.8 81 17 27127 325 18 10.3 -14.7 | 300 10 8.6 -4.9 82 16 27432 335 13 5.5 -11.8 | 297 4 3.8 -2.0 83 15 27737 305 5 4.1 -2.9 | 199 7 2.4 7.0 84 15 28042 325 12 6.9 -9.8 | 270 5 5.2 0.0 85 14 28346 330 10 5.0 -8.7 | 250 4 3.3 1.2 86 13 28651 345 15 3.9 -14.5 | 335 5 2.2 -4.7 87 12 29261 355 25 2.2 -24.9 | 358 15 0.5 -15.1 88 11 29870 15 22 -5.7 -21.3 | 33 14 -7.4 -11.4 89 10 30175 10 15 -2.6 -14.8 | 41 7 -4.3 -4.9 90 10 30390 310 22 16.9 -14.1 | 286 16 15.2 -4.3 Wind Parameters Mean winds (0-6000m): 320.2 at 13.3 knts Storm direction: 350.2 at 10.0 knts Shear (0-3000m) pos: 3.0 neg: 3.6 tot: 6.6 10-3/s Storm rel Dir Shear (0-3000m): 104.8 deg Storm rel helicity (0-3000m) pos: 58.1 neg: -18.2 tot: 39.8 m^2/s^2 ave: 13.3 10^-3 m/s^2 rel: 0.29 Storm rel vorticity (0-3000m) horiz: 9.9 stream: 2.8 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 3.14 Bulk Shear: 18.87 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 ------------------------------------------------------------------------------- 500 259 9 213 14| 0.0 15.1 15.1| 16.0 -4.6 11.3 22.7 0.34| 20.5 7.0 1000 264 12 222 15| 2.5 7.5 10.0| 34.2 -6.1 28.2 28.2 0.39| 13.8 5.4 1500 271 11 224 13| 2.4 5.0 7.4| 39.8 -14.0 25.8 17.2 0.29| 11.8 3.4 2000 285 11 234 12| 4.5 3.8 8.3| 57.4 -14.0 43.4 21.7 0.42| 12.0 5.1 2500 296 12 241 10| 3.6 3.9 7.5| 57.4 -17.5 40.0 16.0 0.31| 10.8 3.4 3000 301 12 246 9| 3.0 3.6 6.6| 58.1 -18.2 39.8 13.3 0.29| 9.9 2.8 4000 304 12 249 9| 2.5 2.9 5.4| 58.3 -22.6 35.7 8.9 0.23| 8.2 1.9 5000 311 13 258 8| 2.9 2.3 5.2| 75.3 -22.6 52.8 10.6 0.33| 7.5 2.5 6000 320 13 273 7| 2.6 2.1 4.7| 83.1 -24.1 59.0 9.8 0.32| 7.2 2.3 Wrote GIF file: /home/apache/climate/data/raob//CYAH/skewt/CYAH.skewt.20251028.12.gif