UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025102900.upa.cvt Date: 0000Z 29 OCT 25 Searching for CYAH... Searching the city database file for: CYAH ... Date:0000Z 29 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 266 215 4 SFC 996 306 6.6 2.7 76 3.9 4.8 215 4 280.1 280.9 278.1 292.9 4.66 2 986 388 8.0 2.0 66 6.0 5.2 230 6 282.3 283.1 279.0 294.8 4.48 3 932 846 6.4 0.4 65 6.0 3.7 334 16 285.2 286.0 280.1 297.2 4.22 4 925 907 7.2 -1.8 53 9.0 3.2 350 17 286.7 287.3 280.0 297.1 3.62 5 910 1042 7.6 -5.4 39 13.0 2.2 352 15 288.4 288.9 279.8 296.6 2.81 6 896 1169 7.4 -3.6 46 11.0 2.6 354 14 289.5 290.1 280.9 299.0 3.27 7 850 1601 4.2 0.3 76 3.9 2.4 340 8 290.5 291.4 282.9 303.8 4.60 8 804 2050 0.2 -0.4 96 0.6 -0.1 1 9 290.9 291.8 283.1 304.3 4.62 9 785 2241 -0.5 -3.8 78 3.3 -1.9 13 10 292.2 292.8 282.6 303.0 3.67 10 743 2676 -4.7 -4.7 100 0.0 -4.7 30 9 292.3 292.9 282.5 302.9 3.63 11 713 2999 -6.9 -6.9 100 0.0 -6.9 34 11 293.3 293.9 282.5 302.8 3.19 12 712 3010 -7.1 -8.6 89 1.5 -7.7 34 11 293.2 293.7 282.0 301.5 2.80 13 711 3021 -4.9 -24.9 19 20.0 -9.7 35 11 295.7 295.9 280.5 298.0 0.71 14 710 3032 -4.3 -30.3 11 26.0 -9.8 35 11 296.5 296.6 280.4 298.0 0.43 15 708 3055 -1.3 -28.3 11 27.0 -7.8 35 11 300.1 300.2 282.1 301.8 0.52 16 694 3214 1.8 -38.2 3 40.0 -6.6 28 11 305.2 305.3 283.8 306.0 0.20 17 641 3851 -0.9 -36.9 5 36.0 -8.5 31 9 309.2 309.2 285.4 310.1 0.25 18 500 5780 -15.1 -36.1 15 21.0 -18.7 75 3 314.6 314.7 287.4 315.9 0.35 19 490 5932 -16.3 -38.3 13 22.0 -19.8 40 2 315.0 315.0 287.4 316.0 0.29 20 443 6681 -22.7 -49.7 7 27.0 -25.4 342 1 316.1 316.1 287.6 316.5 0.09 21 400 7420 -29.1 -47.1 16 18.0 -30.7 290 5 317.2 317.2 288.0 317.7 0.14 22 345 8459 -38.1 -51.1 24 13.0 -38.8 239 5 318.7 318.7 288.4 319.1 0.10 23 340 8559 -38.9 -50.9 27 12.0 -39.6 232 5 318.9 318.9 288.5 319.3 0.10 24 323 8910 -40.3 -58.3 13 18.0 -41.1 210 4 321.7 321.7 289.3 321.9 0.05 25 300 9410 -44.1 -59.1 17 15.0 -44.6 335 6 323.2 323.2 289.8 323.4 0.04 26 255 10473 -53.3 -62.3 33 9.0 -53.5 342 11 325.0 325.0 290.3 325.1 0.03 27 250 10600 -53.9 -64.9 25 11.0 -54.1 350 8 325.9 325.9 290.6 326.0 0.02 28 213 11612 -61.7 -67.7 45 6.0 -61.8 316 11 329.1 329.1 291.5 329.2 0.02 29 200 12000 -64.5 -71.5 38 7.0 -64.6 325 17 330.6 330.6 291.9 330.7 0.01 30 196 12123 -65.3 -72.3 37 7.0 -65.4 325 17 331.3 331.3 292.0 331.3 0.01 31 174 12840 -68.7 -74.7 42 6.0 -68.7 300 8 337.1 337.1 293.6 337.2 0.01 32 163 13234 -64.5 -76.5 18 12.0 -64.6 280 12 350.5 350.5 296.8 350.6 0.01 33 156 13501 -65.5 -79.5 13 14.0 -65.6 260 16 353.3 353.3 297.3 353.3 0.00 34 152 13659 -63.9 -79.9 10 16.0 -64.0 260 17 358.6 358.6 298.4 358.7 0.00 35 150 13740 -63.7 -80.7 8 17.0 -63.8 330 27 360.3 360.3 298.8 360.4 0.00 36 134 14433 -62.9 -83.9 4 21.0 -63.0 309 10 373.6 373.6 301.2 373.6 0.00 37 133 14479 -63.1 -84.1 4 21.0 -63.3 293 10 374.0 374.0 301.2 374.0 0.00 38 130 14620 -61.3 -84.3 3 23.0 -61.5 242 10 379.7 379.7 302.2 379.7 0.00 39 121 15067 -60.1 -85.1 2 25.0 -60.3 297 17 389.8 389.8 303.8 389.8 0.00 40 109 15715 -62.1 -86.1 3 24.0 -62.3 291 24 397.8 397.8 304.9 397.8 0.00 41 105 15947 -60.7 -85.7 2 25.0 -61.0 303 20 404.8 404.8 305.8 404.8 0.00 42 100 16250 -61.9 -85.9 3 24.0 -62.1 280 10 408.1 408.1 306.3 408.1 0.00 43 96 16501 -63.3 -86.3 3 23.0 -63.5 280 10 410.2 410.2 306.5 410.2 0.00 44 76 17947 -59.7 -87.7 1 28.0 -60.1 264 11 446.0 446.1 310.5 446.1 0.00 45 70 18460 -60.5 -87.5 2 27.0 -60.9 295 20 455.0 455.0 311.3 455.0 0.00 46 58 19625 -63.1 -89.1 2 26.0 -63.4 287 15 474.2 474.2 313.0 474.2 0.00 47 50 20540 -62.7 -88.7 2 26.0 -63.1 355 8 495.7 495.7 314.7 495.7 0.00 48 30 23680 -63.3 -90.3 1 27.0 -63.9 275 7 572.1 572.1 319.3 572.1 0.00 49 24 25057 -61.5 -90.5 1 29.0 -62.4 343 19 615.0 615.0 321.3 615.0 0.00 50 22 25593 -63.9 -90.9 1 27.0 -64.7 20 22 623.4 623.4 321.6 623.4 0.00 51 20 26180 -61.9 -90.9 1 29.0 -63.0 10 9 646.7 646.7 322.6 646.7 0.00 52 19 26497 -61.5 -90.5 1 29.0 -62.7 38 8 657.5 657.5 323.0 657.5 0.01 53 12 29317 -65.3 -92.3 1 27.0 -66.4 12 11 736.4 736.4 325.6 736.4 0.01 54 10 30440 -60.1 -90.1 1 30.0 -62.4 350 25 795.2 795.2 327.1 795.3 0.01 55 9.5 30761 -58.9 -89.9 1 31.0 -61.6 811.5 811.5 327.5 811.6 0.01 56 7.4 32333 -57.7 -88.7 1 31.0 -61.3 876.5 876.5 329.0 876.7 0.02 57 6.3 33343 -59.9 -88.9 1 29.0 -63.1 908.4 908.4 329.6 908.6 0.02 TRP 174 12840 -68.7 -74.7 42 6.0 -68.7 300 8 337.1 337.1 293.6 337.2 0.01 WND Sounding variables and indices 1000-500 mb thick: 5514.00 m Freezing level: 798.57 mb = 2104.25 m = 6903.63 ft Freezing level: 702.13 mb = 3121.57 m = 10241.24 ft Freezing level: 658.67 mb = 3638.77 m = 11938.09 ft Wetbulb zero: 805.82 mb = 2031.38 m = 6664.56 ft Precipitable water: 0.49 inches Sfc-500 mean rel hum: 41.29 % Est. max temperature: 17.10 C = 62.78 F Sfc-Lift cond lev (LCL): 938.15 mb = 792.30 m = 2599.39 ft T: 6.59 C 700-500 lapse rate: 5.91 C/km ThetaE index: 6.37 C Layer 785.0- 708.0 mb Conv cond level (CCL): 757.11 mb = 2527.44 m = 8292.04 ft Mean mixing ratio: 3.97 g/kg Conv temperature: 18.75 C = 65.76 F Cap Strength: 15.72 C Lifted Index: 16.52 C Risk: None Lifted Index @300 mb: 19.16 C Lifted Index @700 mb: 12.10 C Showalter Index: 11.25 C Risk: None Total Totals Index: 34.70 C Risk: None Vertical Totals Index: 19.30 C Cross Totals Index: 15.40 C K Index: -14.80 Risk: None Sweat Index: 22.60 Risk: None Energy Index: 2.57 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 31.04 J/kg Max Up Vert Vel: 7.88 m/s Conv Inhibition (B-): 61009.99 J/kg Cap Strength: 16.47 C Lift Cond Lev (LCL): 841.57 mb = 1681.38 m = 5516.27 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 48 at 7 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 ---------------------------------------------------------- 0 996 306 215 4 2.3 3.3 | 223 11 7.5 8.1 1 959 610 270 10 10.0 -0.0 | 253 16 15.2 4.8 2 925 907 350 17 3.0 -16.7 | 326 14 8.2 -12.0 3 924 914 350 16 2.8 -15.8 | 324 14 8.0 -11.0 4 890 1219 355 14 1.2 -13.9 | 325 11 6.5 -9.2 5 858 1524 340 13 4.4 -12.2 | 308 12 9.7 -7.4 6 850 1601 340 8 2.7 -7.5 | 289 8 8.0 -2.7 7 826 1829 350 8 1.4 -7.9 | 295 7 6.6 -3.1 8 795 2134 5 10 -0.9 -10.0 | 320 7 4.4 -5.2 9 765 2438 30 11 -5.5 -9.5 | 3 5 -0.3 -4.7 10 736 2743 30 8 -4.0 -6.9 | 330 2 1.2 -2.2 11 709 3048 35 11 -6.3 -9.0 | 14 4 -1.1 -4.2 12 700 3148 35 11 -6.3 -9.0 | 14 4 -1.1 -4.2 13 682 3353 15 11 -2.8 -10.6 | 338 6 2.4 -5.8 14 656 3658 40 8 -5.1 -6.1 | 356 1 0.1 -1.4 15 607 4267 10 13 -2.3 -12.8 | 340 9 3.0 -8.0 16 561 4877 60 9 -7.8 -4.5 | 96 3 -2.6 0.3 17 519 5486 70 10 -9.4 -3.4 | 108 4 -4.2 1.4 18 500 5780 75 3 -2.9 -0.8 | 210 5 2.3 4.0 19 479 6096 360 1 -0.0 -1.0 | 234 6 5.2 3.8 20 460 6401 0 0 -0.0 -0.0 | 228 7 5.2 4.8 21 400 7420 290 5 4.7 -1.7 | 253 10 9.9 3.1 22 389 7620 290 6 5.6 -2.1 | 256 11 10.9 2.7 23 312 9144 195 4 1.0 3.9 | 216 11 6.3 8.6 24 300 9410 335 6 2.5 -5.4 | 275 8 7.8 -0.7 25 272 10058 340 11 3.8 -10.3 | 302 11 9.0 -5.6 26 259 10363 335 14 5.9 -12.7 | 305 14 11.2 -7.9 27 250 10600 350 8 1.4 -7.9 | 295 7 6.6 -3.1 28 247 10668 355 8 0.7 -8.0 | 298 7 5.9 -3.2 29 214 11582 315 11 7.8 -7.8 | 283 13 13.0 -3.0 30 204 11887 330 16 8.0 -13.9 | 304 16 13.2 -9.1 31 200 12000 325 17 9.8 -13.9 | 301 18 15.0 -9.1 32 184 12497 325 15 8.6 -12.3 | 298 16 13.8 -7.5 33 175 12802 335 18 7.6 -16.3 | 312 17 12.8 -11.5 34 174 12840 300 8 6.9 -4.0 | 266 12 12.2 0.8 35 167 13106 295 10 9.1 -4.2 | 268 14 14.3 0.6 36 158 13411 260 15 14.8 2.6 | 250 21 20.0 7.4 37 151 13716 260 17 16.7 3.0 | 251 23 22.0 7.7 38 150 13740 330 27 13.5 -23.4 | 315 26 18.7 -18.6 39 143 14021 325 27 15.5 -22.1 | 310 27 20.7 -17.3 40 136 14326 350 10 1.7 -9.8 | 306 9 7.0 -5.1 41 130 14630 240 10 8.7 5.0 | 235 17 13.9 9.8 42 124 14935 290 20 18.8 -6.8 | 275 24 24.0 -2.1 43 118 15240 305 14 11.5 -8.0 | 281 17 16.7 -3.3 44 112 15545 285 22 21.3 -5.7 | 272 27 26.5 -0.9 45 107 15850 295 25 22.7 -10.6 | 282 28 27.9 -5.8 46 102 16154 320 10 6.4 -7.7 | 284 12 11.7 -2.9 47 100 16250 280 10 9.8 -1.7 | 259 15 15.1 3.0 48 97 16459 280 10 9.8 -1.7 | 259 15 15.1 3.0 49 92 16764 280 12 11.8 -2.1 | 261 17 17.1 2.7 50 88 17069 330 11 5.5 -9.5 | 294 12 10.7 -4.7 51 83 17374 270 10 10.0 -0.0 | 253 16 15.2 4.8 52 79 17678 295 16 14.5 -6.8 | 276 20 19.7 -2.0 53 76 17983 260 10 9.8 1.7 | 247 16 15.1 6.5 54 72 18288 295 22 19.9 -9.3 | 280 26 25.2 -4.5 55 70 18460 295 20 18.1 -8.5 | 279 24 23.4 -3.7 56 65 18898 290 18 16.9 -6.2 | 274 22 22.2 -1.4 57 62 19202 270 15 15.0 -0.0 | 257 21 20.2 4.8 58 56 19812 295 15 13.6 -6.3 | 275 19 18.8 -1.6 59 51 20422 345 14 3.6 -13.5 | 315 12 8.9 -8.7 60 50 20540 355 8 0.7 -8.0 | 298 7 5.9 -3.2 61 46 21031 310 5 3.8 -3.2 | 260 9 9.1 1.6 62 44 21336 285 13 12.6 -3.4 | 265 18 17.8 1.4 63 42 21641 310 10 7.7 -6.4 | 277 13 12.9 -1.7 64 40 21946 305 10 8.2 -5.7 | 274 13 13.4 -1.0 65 38 22250 325 12 6.9 -9.8 | 293 13 12.1 -5.1 66 36 22555 330 14 7.0 -12.1 | 301 14 12.2 -7.3 67 33 23165 30 10 -5.0 -8.7 | 356 4 0.2 -3.9 68 30 23680 275 7 7.0 -0.6 | 251 13 12.2 4.2 69 28 24079 290 10 9.4 -3.4 | 265 15 14.6 1.4 70 24 24994 335 19 8.0 -17.2 | 313 18 13.3 -12.4 71 23 25298 15 17 -4.4 -16.4 | 356 12 0.8 -11.6 72 22 25603 20 22 -7.5 -20.7 | 8 16 -2.3 -15.9 73 21 25908 15 17 -4.4 -16.4 | 356 12 0.8 -11.6 74 20 26180 10 9 -1.6 -8.9 | 318 5 3.7 -4.1 75 19 26518 40 8 -5.1 -6.1 | 356 1 0.1 -1.4 76 18 26822 355 11 1.0 -11.0 | 315 9 6.2 -6.2 77 17 27127 30 11 -5.5 -9.5 | 3 5 -0.3 -4.7 78 16 27432 20 12 -4.1 -11.3 | 350 7 1.1 -6.5 79 15 28042 15 10 -2.6 -9.7 | 332 6 2.7 -4.9 80 14 28346 45 17 -12.0 -12.0 | 43 10 -6.8 -7.2 81 13 28651 5 3 -0.3 -3.0 | 250 5 5.0 1.8 82 13 28956 335 10 4.2 -9.1 | 294 10 9.5 -4.3 83 12 29261 15 10 -2.6 -9.7 | 332 6 2.7 -4.9 84 11 29870 345 18 4.7 -17.4 | 322 16 9.9 -12.6 85 10 30175 355 26 2.3 -25.9 | 340 22 7.5 -21.1 86 10 30440 350 25 4.3 -24.6 | 334 22 9.6 -19.8 Wind Parameters Mean winds (0-6000m): 17.6 at 9.5 knts Storm direction: 47.6 at 7.1 knts Shear (0-3000m) pos: 3.0 neg: 0.5 tot: 3.5 10-3/s Storm rel Dir Shear (0-3000m): 121.4 deg Storm rel helicity (0-3000m) pos: 122.0 neg: -24.6 tot: 97.3 m^2/s^2 ave: 32.4 10^-3 m/s^2 rel: 0.45 Storm rel vorticity (0-3000m) horiz: 9.9 stream: 4.5 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 1.20 Bulk Shear: 25.82 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 ------------------------------------------------------------------------------- 500 280 9 257 15| 16.8 0.0 16.8| 77.2 0.0 77.2 154.5 0.91| 21.8 20.0 1000 330 12 296 13| 8.6 0.0 8.6|107.0 -4.0 103.0 103.0 0.78| 17.1 13.3 1500 335 12 300 12| 5.8 2.0 7.7|108.5 -20.1 88.4 58.9 0.50| 14.4 7.2 2000 342 11 303 10| 5.0 1.5 6.5|118.0 -20.1 97.8 48.9 0.55| 12.3 6.8 2500 351 11 310 9| 3.6 1.2 4.8|120.3 -21.3 99.1 39.6 0.51| 10.8 5.5 3000 359 11 317 8| 3.0 0.5 3.5|122.0 -24.6 97.3 32.4 0.45| 9.9 4.5 4000 5 11 323 7| 2.0 0.4 2.4|123.1 -27.1 96.0 24.0 0.37| 8.8 3.3 5000 13 11 333 6| 1.5 0.3 1.8|132.1 -27.1 105.0 21.0 0.42| 8.2 3.5 6000 18 9 331 5| 0.6 0.4 1.1|140.4 -28.1 112.3 18.7 0.46| 7.8 3.6 Wrote GIF file: /home/apache/climate/data/raob//CYAH/skewt/CYAH.skewt.20251029.00.gif