UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025102800.upa.cvt Date: 0000Z 28 OCT 25 Searching for CYAH... Searching the city database file for: CYAH ... Date:0000Z 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 262 0 0 SFC 995 306 -1.3 -2.8 90 1.5 -1.9 0 0 272.2 272.8 271.5 280.7 3.12 2 990 346 1.0 -3.1 74 4.1 -0.6 339 2 274.9 275.5 273.1 283.4 3.07 3 980 427 2.6 -3.4 65 6.0 0.3 298 5 277.3 277.9 274.4 285.8 3.03 4 942 743 0.8 -6.2 59 7.0 -1.7 231 12 278.7 279.1 274.5 285.8 2.55 5 926 880 2.2 -20.8 16 23.0 -3.8 258 11 281.5 281.6 273.3 283.8 0.79 6 925 889 2.2 -21.8 15 24.0 -4.0 260 11 281.6 281.7 273.3 283.7 0.72 7 903 1083 2.8 -18.2 20 21.0 -3.2 285 8 284.1 284.3 275.2 287.2 1.01 8 869 1393 2.0 -13.0 32 15.0 -2.9 288 7 286.4 286.7 277.3 291.2 1.61 9 863 1449 2.4 -23.6 13 26.0 -4.3 282 7 287.4 287.5 276.4 289.5 0.66 10 850 1572 2.6 -33.4 5 36.0 -5.0 270 8 288.9 288.9 276.5 289.8 0.27 11 837 1696 2.8 -34.2 5 37.0 -4.9 280 7 290.4 290.4 277.3 291.2 0.25 12 781 2256 2.6 -45.4 1 48.0 -5.7 297 9 295.9 296.0 279.7 296.2 0.08 13 759 2486 1.0 -13.0 34 14.0 -3.9 303 7 296.6 297.0 282.3 302.3 1.85 14 757 2507 1.2 -21.8 16 23.0 -5.3 304 8 297.1 297.2 281.3 299.9 0.88 15 754 2539 1.0 -13.0 34 14.0 -3.9 306 8 297.2 297.5 282.5 303.0 1.86 16 748 2603 1.0 -21.0 18 22.0 -5.4 311 9 297.9 298.1 281.7 300.9 0.96 17 721 2897 -0.9 -13.9 37 13.0 -5.4 328 10 298.9 299.3 283.2 304.6 1.81 18 718 2930 0.0 -27.0 11 27.0 -6.8 330 10 300.3 300.4 282.3 302.2 0.58 19 700 3133 -1.5 -21.5 20 20.0 -7.2 340 9 300.8 301.0 283.0 304.0 0.98 20 690 3247 -2.1 -17.1 31 15.0 -6.9 332 10 301.4 301.7 283.8 306.0 1.45 21 688 3270 -2.1 -26.1 14 24.0 -8.2 331 10 301.6 301.8 282.9 303.8 0.66 22 682 3340 -2.5 -16.5 33 14.0 -7.0 326 11 302.0 302.2 284.1 306.9 1.54 23 676 3410 -2.5 -16.5 33 14.0 -7.1 333 10 302.7 303.0 284.4 307.7 1.56 24 673 3445 -2.3 -24.3 17 22.0 -8.2 338 9 303.3 303.5 283.8 306.0 0.79 25 661 3588 -1.9 -36.9 5 35.0 -9.0 358 7 305.3 305.4 283.9 306.2 0.24 26 658 3624 -1.9 -35.9 5 34.0 -9.0 4 6 305.7 305.8 284.1 306.7 0.27 27 592 4455 -7.9 -20.9 34 13.0 -11.6 347 6 308.2 308.4 286.1 312.2 1.22 28 559 4899 -10.5 -21.5 40 11.0 -13.5 340 5 310.2 310.4 286.8 314.3 1.23 29 545 5094 -10.9 -26.9 25 16.0 -14.7 353 2 312.0 312.1 286.9 314.6 0.78 30 500 5750 -15.9 -30.9 26 15.0 -18.8 20 8 313.7 313.8 287.3 315.7 0.58 31 445 6618 -22.9 -34.9 33 12.0 -24.7 10 9 315.5 315.5 287.8 317.0 0.44 32 414 7143 -27.7 -34.7 51 7.0 -28.7 10 10 315.9 316.0 287.9 317.6 0.49 33 407 7265 -28.1 -39.1 34 11.0 -29.4 10 10 316.9 317.0 288.1 318.0 0.32 34 400 7390 -28.9 -39.9 34 11.0 -30.2 10 13 317.4 317.5 288.2 318.5 0.30 35 383 7698 -31.5 -43.5 30 12.0 -32.6 359 14 318.0 318.0 288.3 318.8 0.21 36 369 7958 -33.9 -42.9 40 9.0 -34.7 356 16 318.2 318.2 288.4 319.1 0.23 37 366 8015 -34.3 -40.3 55 6.0 -34.9 357 16 318.4 318.5 288.6 319.5 0.31 38 350 8325 -36.9 -38.8 82 1.9 -37.1 4 18 319.0 319.1 288.9 320.4 0.38 39 339 8544 -38.5 -40.2 84 1.7 -38.7 10 19 319.7 319.8 289.0 321.0 0.34 40 331 8707 -39.3 -43.1 67 3.8 -39.6 14 20 320.8 320.9 289.3 321.8 0.26 41 325 8832 -40.5 -42.4 82 1.9 -40.6 17 20 320.9 320.9 289.3 321.9 0.28 42 300 9370 -44.7 -46.9 79 2.2 -44.8 20 25 322.4 322.4 289.7 323.1 0.19 43 295 9483 -45.5 -47.1 84 1.6 -45.6 22 25 322.8 322.8 289.8 323.5 0.19 44 281 9807 -47.9 -52.2 61 4.3 -48.1 26 25 323.8 323.9 290.0 324.3 0.11 45 256 10417 -52.9 -57.9 55 5.0 -53.0 15 29 325.2 325.2 290.4 325.4 0.06 46 251 10544 -53.7 -60.7 42 7.0 -53.8 15 29 325.9 325.9 290.6 326.0 0.04 47 250 10570 -53.9 -59.9 48 6.0 -54.0 15 29 325.9 325.9 290.6 326.1 0.05 48 246 10673 -54.7 -59.4 56 4.7 -54.8 15 29 326.2 326.3 290.7 326.5 0.05 49 240 10831 -55.5 -64.5 32 9.0 -55.6 17 30 327.4 327.4 291.0 327.5 0.03 50 204 11849 -63.7 -68.1 55 4.4 -63.7 29 35 330.0 330.0 291.7 330.1 0.02 51 200 11970 -64.3 -68.6 55 4.3 -64.3 30 36 330.9 330.9 292.0 331.0 0.02 52 195 12124 -65.7 -69.6 58 3.9 -65.7 31 35 331.1 331.1 292.0 331.2 0.02 53 171 12911 -70.5 -75.5 48 5.0 -70.5 30 36 335.8 335.8 293.3 335.9 0.01 54 164 13159 -70.5 -74.7 54 4.2 -70.5 23 38 339.9 339.9 294.3 339.9 0.01 55 162 13232 -70.1 -76.1 41 6.0 -70.1 26 34 341.7 341.7 294.7 341.8 0.01 56 161 13269 -67.1 -76.1 27 9.0 -67.2 28 32 347.4 347.4 296.1 347.4 0.01 57 160 13307 -66.1 -77.1 20 11.0 -66.2 30 30 349.7 349.7 296.5 349.7 0.01 58 155 13500 -64.5 -79.5 11 15.0 -64.6 30 26 355.6 355.6 297.8 355.6 0.00 59 150 13700 -63.9 -80.9 8 17.0 -64.0 20 29 360.0 360.0 298.7 360.0 0.00 60 100 16220 -62.1 -86.1 3 24.0 -62.3 355 17 407.7 407.7 306.2 407.8 0.00 61 93 16668 -63.3 -87.3 2 24.0 -63.5 19 16 413.9 413.9 307.0 413.9 0.00 62 79 17678 -60.5 -87.5 2 27.0 -60.9 310 10 439.5 439.5 309.8 439.5 0.00 63 70 18430 -61.3 -88.3 2 27.0 -61.7 360 15 453.2 453.2 311.1 453.3 0.00 64 50 20510 -62.5 -89.5 1 27.0 -62.9 350 9 496.2 496.2 314.7 496.2 0.00 65 30 23660 -63.1 -91.1 1 28.0 -63.7 335 13 572.6 572.6 319.3 572.6 0.00 66 20 26150 -63.3 -91.3 1 28.0 -64.2 270 3 642.4 642.4 322.4 642.4 0.00 67 17 27140 -64.9 -91.9 1 27.0 -65.8 281 14 667.8 667.8 323.3 667.9 0.00 68 13 28778 -62.5 -91.5 1 29.0 -63.9 345 15 729.4 729.4 325.3 729.5 0.01 69 10 30390 -62.9 -91.9 1 29.0 -64.6 320 36 784.8 784.8 326.8 784.8 0.01 70 7.6 32103 -57.3 -89.3 1 32.0 -60.9 871.4 871.5 328.8 871.6 0.02 71 6.3 33275 -62.1 -91.1 1 29.0 -64.7 899.0 899.0 329.4 899.2 0.01 72 5.6 34006 -60.5 -90.5 1 30.0 -63.8 936.9 936.9 330.1 937.1 0.02 TRP 171 12911 -70.5 -75.5 48 5.0 -70.5 30 36 335.8 335.8 293.3 335.9 0.01 WND Sounding variables and indices 1000-500 mb thick: 5488.00 m Freezing level: Surface below freezing Freezing level: 992.17 mb = 328.61 m = 1078.10 ft Freezing level: 733.79 mb = 2757.87 m = 9048.04 ft Freezing level: 718.00 mb = 2930.48 m = 9614.33 ft Freezing level: 718.00 mb = 2930.48 m = 9614.33 ft Wetbulb zero: Below ground Precipitable water: 0.25 inches Sfc-500 mean rel hum: 24.90 % Est. max temperature: 15.87 C = 60.57 F Sfc-Lift cond lev (LCL): 971.77 mb = 494.68 m = 1622.93 ft T: 2.22 C 700-500 lapse rate: 5.50 C/km ThetaE index: 2.44 C Layer 757.0- 754.0 mb Conv cond level (CCL): 490.12 mb = 5898.65 m = 19352.28 ft Mean mixing ratio: 2.04 g/kg Conv temperature: 40.38 C = 104.68 F Cap Strength: 23.30 C Lifted Index: 23.75 C Risk: None Lifted Index @300 mb: 26.18 C Lifted Index @700 mb: 17.20 C Showalter Index: 20.33 C Risk: None Total Totals Index: 1.00 C Risk: None Vertical Totals Index: 18.50 C Cross Totals Index: -17.50 C K Index: -34.90 Risk: None Sweat Index: 24.00 Risk: None Energy Index: 5.50 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 36.71 J/kg Max Up Vert Vel: 8.57 m/s Conv Inhibition (B-): 80674.84 J/kg Cap Strength: 23.73 C Lift Cond Lev (LCL): 795.94 mb = 2102.77 m = 6898.78 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 351 at 5 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 ---------------------------------------------------------- 0 995 306 0 0 -0.0 -0.0 | 171 5 -0.8 5.4 1 958 610 205 12 5.1 10.9 | 195 17 4.3 16.2 2 925 889 260 11 10.8 1.9 | 234 12 10.0 7.3 3 922 914 260 11 10.8 1.9 | 234 12 10.0 7.3 4 888 1219 305 6 4.9 -3.4 | 245 5 4.1 1.9 5 850 1572 270 8 8.0 -0.0 | 233 9 7.2 5.4 6 823 1829 290 6 5.6 -2.1 | 236 6 4.8 3.3 7 793 2134 295 10 9.1 -4.2 | 262 8 8.2 1.1 8 763 2438 300 7 6.1 -3.5 | 251 6 5.2 1.9 9 735 2743 320 10 6.4 -7.7 | 292 6 5.6 -2.3 10 700 3133 340 9 3.1 -8.5 | 324 4 2.3 -3.1 11 680 3353 325 11 6.3 -9.0 | 304 7 5.5 -3.7 12 654 3658 10 5 -0.9 -4.9 | 104 2 -1.7 0.4 13 605 4267 350 7 1.2 -6.9 | 345 2 0.4 -1.5 14 559 4877 340 5 1.7 -4.7 | 234 1 0.9 0.7 15 538 5182 360 1 -0.0 -1.0 | 169 4 -0.8 4.4 16 500 5750 20 8 -2.7 -7.5 | 59 4 -3.6 -2.2 17 477 6096 10 8 -1.4 -7.9 | 41 3 -2.2 -2.5 18 404 7315 10 10 -1.7 -9.8 | 30 5 -2.6 -4.5 19 400 7390 10 13 -2.3 -12.8 | 22 8 -3.1 -7.4 20 387 7620 360 13 -0.0 -13.0 | 6 8 -0.8 -7.6 21 370 7925 355 16 1.4 -15.9 | 357 11 0.6 -10.6 22 310 9144 25 22 -9.3 -19.9 | 35 18 -10.1 -14.6 23 300 9370 20 25 -8.6 -23.5 | 27 20 -9.4 -18.1 24 270 10058 30 25 -12.5 -21.7 | 39 21 -13.3 -16.3 25 258 10363 15 29 -7.5 -28.0 | 20 24 -8.3 -22.7 26 250 10570 15 29 -7.5 -28.0 | 20 24 -8.3 -22.7 27 246 10668 15 29 -7.5 -28.0 | 20 24 -8.3 -22.7 28 200 11970 30 36 -18.0 -31.2 | 36 32 -18.8 -25.8 29 183 12497 35 32 -18.4 -26.2 | 43 28 -19.2 -20.9 30 171 12911 30 36 -18.0 -31.2 | 36 32 -18.8 -25.8 31 166 13106 20 41 -14.0 -38.5 | 24 36 -14.8 -33.2 32 157 13411 35 24 -13.8 -19.7 | 46 20 -14.6 -14.3 33 150 13700 20 29 -9.9 -27.3 | 26 24 -10.7 -21.9 34 150 13716 5 32 -2.8 -31.9 | 8 27 -3.6 -26.5 35 142 14021 35 17 -9.8 -13.9 | 51 14 -10.6 -8.6 36 136 14326 360 25 -0.0 -25.0 | 2 20 -0.8 -19.6 37 129 14630 25 17 -7.2 -15.4 | 39 13 -8.0 -10.1 38 123 14935 360 15 -0.0 -15.0 | 5 10 -0.8 -9.6 39 117 15240 330 19 9.5 -16.5 | 322 14 8.7 -11.1 40 111 15545 355 20 1.7 -19.9 | 356 15 0.9 -14.6 41 106 15850 335 19 8.0 -17.2 | 329 14 7.2 -11.9 42 101 16154 360 20 -0.0 -20.0 | 3 15 -0.8 -14.6 43 100 16220 355 17 1.5 -16.9 | 357 12 0.7 -11.6 44 96 16459 355 17 1.5 -16.9 | 357 12 0.7 -11.6 45 92 16764 30 16 -8.0 -13.9 | 46 12 -8.8 -8.5 46 87 17069 30 10 -5.0 -8.7 | 60 7 -5.8 -3.3 47 83 17374 30 1 -0.5 -0.9 | 164 5 -1.3 4.5 48 79 17678 310 10 7.7 -6.4 | 279 7 6.8 -1.1 49 72 18288 355 14 1.2 -13.9 | 357 9 0.4 -8.6 50 70 18430 360 15 -0.0 -15.0 | 5 10 -0.8 -9.6 51 59 19507 10 11 -1.9 -10.8 | 26 6 -2.7 -5.5 52 53 20117 325 17 9.8 -13.9 | 314 12 8.9 -8.6 53 50 20510 350 9 1.6 -8.9 | 348 4 0.7 -3.5 54 48 20726 5 15 -1.3 -14.9 | 12 10 -2.1 -9.6 55 44 21336 345 10 2.6 -9.7 | 338 5 1.8 -4.3 56 40 21946 10 11 -1.9 -10.8 | 26 6 -2.7 -5.5 57 36 22555 305 2 1.6 -1.1 | 191 4 0.8 4.2 58 31 23470 270 13 13.0 -0.0 | 246 13 12.2 5.4 59 30 23660 335 13 5.5 -11.8 | 324 8 4.7 -6.4 60 29 23774 330 14 7.0 -12.1 | 318 9 6.2 -6.8 61 27 24384 335 12 5.1 -10.9 | 322 7 4.3 -5.5 62 25 24689 340 17 5.8 -16.0 | 335 12 5.0 -10.6 63 24 24994 5 16 -1.4 -15.9 | 12 11 -2.2 -10.6 64 23 25298 325 12 6.9 -9.8 | 306 8 6.1 -4.5 65 22 25603 10 10 -1.7 -9.8 | 30 5 -2.6 -4.5 66 20 26150 270 3 3.0 -0.0 | 202 6 2.2 5.4 67 19 26518 330 1 0.5 -0.9 | 176 4 -0.3 4.5 68 17 27127 280 14 13.8 -2.4 | 257 13 13.0 2.9 69 16 27432 295 15 13.6 -6.3 | 274 13 12.8 -1.0 70 14 28346 330 29 14.5 -25.1 | 325 24 13.7 -19.8 71 13 28651 350 16 2.8 -15.8 | 349 11 2.0 -10.4 72 12 29261 325 10 5.7 -8.2 | 300 6 4.9 -2.8 73 11 29566 310 10 7.7 -6.4 | 279 7 6.8 -1.1 74 10 30390 320 36 23.1 -27.6 | 315 32 22.3 -22.2 Wind Parameters Mean winds (0-6000m): 321.3 at 7.2 knts Storm direction: 351.3 at 5.4 knts Shear (0-3000m) pos: 2.7 neg: 2.0 tot: 4.7 10-3/s Storm rel Dir Shear (0-3000m): 136.0 deg Storm rel helicity (0-3000m) pos: 63.4 neg: -26.7 tot: 36.8 m^2/s^2 ave: 12.3 10^-3 m/s^2 rel: 0.26 Storm rel vorticity (0-3000m) horiz: 10.4 stream: 2.7 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 1.82 Bulk Shear: 20.20 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 ------------------------------------------------------------------------------- 500 215 8 198 13| 0.0 11.6 11.6| 32.9 -20.7 12.2 24.4 0.18| 28.0 5.0 1000 244 8 217 11| 4.6 5.8 10.4| 48.3 -21.1 27.2 27.2 0.24| 20.2 4.9 1500 256 8 223 10| 3.1 4.0 7.1| 48.8 -23.5 25.4 16.9 0.19| 15.4 2.9 2000 267 8 231 9| 2.6 3.0 5.7| 54.2 -24.2 29.9 15.0 0.22| 12.9 2.9 2500 277 8 239 9| 3.0 2.4 5.4| 60.8 -25.1 35.8 14.3 0.27| 11.4 3.1 3000 288 8 249 8| 2.7 2.0 4.7| 63.4 -26.7 36.8 12.3 0.26| 10.4 2.7 4000 302 8 260 6| 2.0 1.6 3.7| 67.0 -27.4 39.6 9.9 0.27| 9.2 2.5 5000 309 7 261 5| 1.6 1.4 3.0| 67.0 -29.1 37.9 7.6 0.19| 8.1 1.6 6000 321 7 274 4| 1.8 1.3 3.0| 67.0 -32.9 34.1 5.7 0.11| 7.4 0.8 Wrote GIF file: /home/apache/climate/data/raob//CYAH/skewt/CYAH.skewt.20251028.00.gif