UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101012.upa.cvt Date: 1200Z 10 OCT 25 Searching for CYAH... Searching the city database file for: CYAH ... Date:1200Z 10 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 104 SFC 976 306 6.0 1.0 70 5.0 3.7 225 18 281.1 281.8 278.0 292.8 4.21 2 925 742 4.0 -1.0 70 5.0 1.8 250 40 283.4 284.1 278.7 294.2 3.84 3 909 884 2.8 -1.3 74 4.1 1.0 258 42 283.6 284.2 278.8 294.4 3.82 4 895 1010 6.4 -2.6 53 9.0 2.4 260 42 288.6 289.2 280.8 298.8 3.52 5 865 1289 5.6 -7.4 39 13.0 0.4 260 43 290.6 291.0 280.5 298.1 2.53 6 855 1384 5.2 -6.8 42 12.0 0.4 260 44 291.1 291.6 280.9 299.0 2.68 7 850 1432 4.8 -7.2 41 12.0 0.0 260 44 291.2 291.6 280.8 298.9 2.62 8 841 1519 4.2 -6.8 45 11.0 -0.2 260 46 291.4 291.9 281.1 299.5 2.73 9 821 1714 3.4 -14.6 25 18.0 -2.6 260 52 292.6 292.9 280.1 297.2 1.50 10 810 1823 2.8 -7.2 48 10.0 -1.2 260 55 293.1 293.6 281.9 301.3 2.75 11 748 2462 -1.7 -6.7 69 5.0 -3.7 260 58 295.0 295.5 283.1 304.2 3.09 12 730 2656 -2.9 -9.9 58 7.0 -5.5 260 55 295.7 296.1 282.7 303.2 2.47 13 727 2688 -2.5 -12.5 46 10.0 -6.0 260 55 296.5 296.9 282.4 302.7 2.01 14 719 2776 -1.9 -9.9 54 8.0 -4.9 262 54 298.1 298.5 283.7 305.7 2.50 15 700 2989 -2.5 -13.5 43 11.0 -6.3 275 51 299.7 300.1 283.7 305.7 1.93 16 689 3114 -3.5 -14.5 42 11.0 -7.2 277 49 300.0 300.3 283.7 305.6 1.80 17 678 3242 -4.1 -13.1 50 9.0 -7.2 279 46 300.7 301.1 284.2 307.1 2.05 18 601 4180 -11.1 -11.2 99 0.1 -11.1 290 36 303.1 303.6 285.9 311.5 2.70 19 589 4335 -12.1 -13.6 89 1.5 -12.6 289 39 303.7 304.1 285.6 310.8 2.27 20 572 4558 -14.3 -14.5 98 0.2 -14.4 286 41 303.7 304.1 285.5 310.5 2.17 21 555 4786 -14.7 -20.7 60 6.0 -16.3 282 44 305.9 306.1 285.4 310.2 1.32 22 551 4841 -15.1 -19.8 67 4.7 -16.3 281 44 306.0 306.3 285.5 310.7 1.44 23 543 4952 -15.5 -26.5 38 11.0 -17.9 281 43 306.8 307.0 285.1 309.5 0.81 24 531 5120 -16.5 -21.3 66 4.8 -17.7 284 39 307.6 307.8 286.0 311.9 1.31 25 521 5263 -17.5 -21.9 68 4.4 -18.6 285 37 308.1 308.3 286.1 312.2 1.27 26 503 5525 -19.1 -25.1 59 6.0 -20.4 285 39 309.2 309.4 286.2 312.5 0.99 27 500 5570 -19.3 -24.3 65 5.0 -20.4 285 39 309.5 309.7 286.4 313.1 1.07 28 486 5780 -20.7 -25.1 68 4.4 -21.7 287 40 310.3 310.5 286.6 313.7 1.02 29 475 5949 -21.5 -29.5 48 8.0 -22.9 289 40 311.4 311.5 286.6 313.8 0.70 30 474 5965 -21.5 -29.5 48 8.0 -22.9 289 40 311.5 311.7 286.7 313.9 0.70 31 452 6312 -24.7 -28.3 72 3.6 -25.4 290 42 311.8 312.0 286.9 314.6 0.82 32 429 6690 -27.1 -34.1 51 7.0 -28.1 290 44 313.4 313.5 287.1 315.2 0.50 33 400 7190 -31.1 -36.0 62 4.9 -31.7 290 46 314.6 314.7 287.5 316.1 0.44 34 380 7551 -34.3 -36.1 84 1.8 -34.5 290 46 315.0 315.1 287.6 316.6 0.46 35 374 7662 -34.9 -40.9 54 6.0 -35.4 290 46 315.6 315.7 287.6 316.7 0.29 36 357 7984 -37.7 -41.3 69 3.6 -38.0 291 47 316.1 316.2 287.8 317.2 0.29 37 345 8219 -39.3 -45.3 53 6.0 -39.7 292 48 317.0 317.1 288.0 317.8 0.19 38 314 8856 -44.5 -47.2 74 2.7 -44.6 294 50 318.5 318.5 288.5 319.1 0.17 39 309 8963 -45.3 -47.3 80 2.0 -45.4 294 50 318.8 318.8 288.6 319.5 0.17 40 300 9160 -45.5 -52.5 45 7.0 -45.8 300 55 321.2 321.2 289.2 321.6 0.10 41 299 9182 -45.5 -52.5 45 7.0 -45.8 300 55 321.5 321.6 289.3 321.9 0.10 42 289 9408 -47.7 -52.6 57 4.9 -47.9 301 53 321.5 321.6 289.3 321.9 0.10 43 277 9686 -49.7 -61.7 23 12.0 -50.0 302 51 322.6 322.6 289.6 322.7 0.03 44 259 10122 -52.9 -58.9 48 6.0 -53.1 304 48 324.1 324.1 290.0 324.3 0.05 45 258 10147 -52.9 -60.9 37 8.0 -53.1 304 48 324.5 324.5 290.2 324.6 0.04 46 250 10350 -53.7 -62.7 32 9.0 -53.9 305 46 326.2 326.2 290.7 326.4 0.03 47 244 10506 -54.5 -63.5 32 9.0 -54.6 305 44 327.3 327.3 291.0 327.4 0.03 48 212 11402 -58.5 -67.5 30 9.0 -58.6 320 50 334.5 334.5 292.9 334.6 0.02 49 206 11583 -57.7 -71.7 15 14.0 -57.9 315 45 338.5 338.5 294.0 338.6 0.01 50 200 11770 -58.1 -72.1 15 14.0 -58.3 335 48 340.8 340.8 294.5 340.8 0.01 51 189 12125 -59.9 -73.9 14 14.0 -60.0 328 44 343.4 343.4 295.1 343.5 0.01 52 166 12939 -58.5 -79.5 5 21.0 -58.7 317 30 358.7 358.7 298.5 358.8 0.00 53 164 13015 -56.9 -78.9 5 22.0 -57.2 321 30 362.7 362.7 299.2 362.7 0.00 54 163 13054 -57.3 -79.3 5 22.0 -57.5 323 31 362.6 362.6 299.2 362.7 0.00 55 150 13580 -56.9 -81.9 3 25.0 -57.2 295 23 372.0 372.0 300.9 372.1 0.00 56 130 14486 -56.5 -83.5 2 27.0 -56.9 292 33 388.3 388.3 303.5 388.3 0.00 57 117 15156 -54.3 -83.3 2 29.0 -54.8 303 28 404.2 404.2 305.7 404.3 0.00 58 100 16160 -54.9 -83.9 2 29.0 -55.5 300 27 421.7 421.7 307.9 421.7 0.00 59 86 17119 -57.5 -85.5 2 28.0 -58.0 268 21 435.0 435.0 309.4 435.0 0.00 60 73 18154 -57.7 -85.7 2 28.0 -58.2 274 14 455.4 455.4 311.4 455.5 0.00 61 70 18420 -56.7 -85.7 1 29.0 -57.3 285 22 463.1 463.1 312.0 463.1 0.00 62 55 19939 -58.5 -86.5 2 28.0 -59.1 294 18 492.0 492.0 314.4 492.0 0.00 63 50 20540 -56.7 -86.7 1 30.0 -57.5 260 10 509.9 509.9 315.7 509.9 0.00 64 47 20934 -55.5 -85.5 1 30.0 -56.5 260 10 521.8 521.8 316.4 521.9 0.01 65 41 21799 -59.3 -87.3 1 28.0 -60.0 267 16 533.2 533.2 317.1 533.2 0.00 66 30 23770 -56.7 -86.7 1 30.0 -58.0 285 24 590.1 590.1 320.2 590.1 0.01 67 20 26340 -55.3 -86.3 1 31.0 -57.5 245 24 666.9 666.9 323.3 667.0 0.01 68 13 29099 -53.7 -85.7 1 32.0 -57.1 264 22 759.9 759.9 326.2 760.0 0.02 TRP 212 11402 -58.5 -67.5 30 9.0 -58.6 320 50 334.5 334.5 292.9 334.6 0.02 WND Sounding variables and indices 1000-500 mb thick: 5466.00 m Freezing level: 771.42 mb = 2220.93 m = 7286.42 ft Wetbulb zero: 849.24 mb = 1439.27 m = 4721.97 ft Precipitable water: 0.53 inches Sfc-500 mean rel hum: 62.79 % Est. max temperature: 17.13 C = 62.83 F Sfc-Lift cond lev (LCL): 903.79 mb = 930.38 m = 3052.37 ft T: 4.13 C 700-500 lapse rate: 6.51 C/km ThetaE index: 2.32 C Layer 821.0- 810.0 mb Conv cond level (CCL): 658.75 mb = 3465.71 m = 11370.31 ft Mean mixing ratio: 3.78 g/kg Conv temperature: 26.05 C = 78.88 F Cap Strength: 12.99 C Lifted Index: 13.14 C Risk: None Lifted Index @300 mb: 18.58 C Lifted Index @700 mb: 9.84 C Showalter Index: 10.39 C Risk: None Total Totals Index: 36.20 C Risk: None Vertical Totals Index: 24.10 C Cross Totals Index: 12.10 C K Index: 5.90 Risk: None Sweat Index: 127.00 Risk: None Energy Index: 2.94 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 36.67 J/kg Max Up Vert Vel: 8.56 m/s Conv Inhibition (B-): 51856.24 J/kg Cap Strength: 13.13 C Lift Cond Lev (LCL): 840.74 mb = 1521.12 m = 4990.49 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 302 at 32 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 ---------------------------------------------------------- 0 976 306 225 18 12.7 12.7 | 154 33 -14.6 30.0 1 940 610 240 37 32.0 18.5 | 187 36 4.7 35.8 2 925 742 250 40 37.6 13.7 | 198 33 10.3 31.0 3 906 914 260 42 41.4 7.3 | 210 28 14.0 24.6 4 872 1219 260 42 41.4 7.3 | 210 28 14.0 24.6 5 850 1432 260 44 43.3 7.6 | 213 30 16.0 24.9 6 809 1829 260 55 54.2 9.6 | 225 38 26.8 26.8 7 779 2134 260 55 54.2 9.6 | 225 38 26.8 26.8 8 750 2438 260 58 57.1 10.1 | 227 40 29.8 27.4 9 722 2743 260 54 53.2 9.4 | 224 37 25.8 26.7 10 700 2989 275 51 50.8 -4.4 | 241 27 23.5 12.8 11 642 3658 285 38 36.7 -9.8 | 232 12 9.4 7.4 12 617 3962 290 31 29.1 -10.6 | 195 7 1.8 6.7 13 593 4267 290 38 35.7 -13.0 | 243 9 8.4 4.3 14 547 4877 280 45 44.3 -7.8 | 241 19 17.0 9.5 15 526 5182 285 37 35.7 -9.6 | 228 11 8.4 7.7 16 500 5570 285 39 37.7 -10.1 | 235 13 10.3 7.2 17 465 6096 290 41 38.5 -14.0 | 254 12 11.2 3.3 18 400 7190 290 46 43.2 -15.7 | 264 16 15.9 1.5 19 376 7620 290 46 43.2 -15.7 | 264 16 15.9 1.5 20 301 9144 295 51 46.2 -21.6 | 283 19 18.9 -4.3 21 300 9160 300 55 47.6 -27.5 | 297 23 20.3 -10.2 22 250 10350 305 46 37.7 -26.4 | 311 14 10.3 -9.1 23 238 10668 305 42 34.4 -24.1 | 314 10 7.1 -6.8 24 212 11402 320 50 32.1 -38.3 | 347 22 4.8 -21.0 25 206 11582 315 45 31.8 -31.8 | 343 15 4.5 -14.5 26 200 11770 335 48 20.3 -43.5 | 15 27 -7.0 -26.2 27 196 11887 335 49 20.7 -44.4 | 14 28 -6.6 -27.1 28 170 12802 310 29 22.2 -18.6 | 75 5 -5.1 -1.4 29 162 13106 325 31 17.8 -25.4 | 50 13 -9.6 -8.1 30 150 13580 295 23 20.8 -9.7 | 139 10 -6.5 7.6 31 147 13716 295 23 20.8 -9.7 | 139 10 -6.5 7.6 32 140 14021 300 23 19.9 -11.5 | 128 9 -7.4 5.8 33 127 14630 290 36 33.8 -12.3 | 233 8 6.5 5.0 34 116 15240 305 27 22.1 -15.5 | 109 6 -5.2 1.8 35 110 15545 285 28 27.0 -7.2 | 178 10 -0.3 10.0 36 100 16160 300 27 23.4 -13.5 | 134 5 -3.9 3.8 37 95 16459 300 27 23.4 -13.5 | 134 5 -3.9 3.8 38 91 16764 315 21 14.8 -14.8 | 101 13 -12.5 2.4 39 87 17069 265 20 19.9 1.7 | 159 20 -7.4 19.0 40 83 17374 285 28 27.0 -7.2 | 178 10 -0.3 10.0 41 79 17678 300 16 13.9 -8.0 | 125 16 -13.5 9.3 42 75 17983 260 10 9.8 1.7 | 137 26 -17.5 19.0 43 71 18288 285 17 16.4 -4.4 | 140 17 -10.9 12.9 44 70 18420 285 22 21.3 -5.7 | 152 13 -6.1 11.6 45 68 18593 285 22 21.3 -5.7 | 152 13 -6.1 11.6 46 62 19202 270 16 16.0 -0.0 | 147 21 -11.3 17.3 47 53 20117 300 18 15.6 -9.0 | 125 14 -11.7 8.3 48 51 20422 300 11 9.5 -5.5 | 123 21 -17.8 11.8 49 50 20540 260 10 9.8 1.7 | 137 26 -17.5 19.0 50 46 21031 260 10 9.8 1.7 | 137 26 -17.5 19.0 51 44 21336 275 18 17.9 -1.6 | 149 18 -9.4 15.7 52 42 21641 270 19 19.0 -0.0 | 154 19 -8.3 17.3 53 40 21946 265 14 13.9 1.2 | 144 23 -13.4 18.5 54 38 22250 285 9 8.7 -2.3 | 129 24 -18.6 15.0 55 35 22860 265 20 19.9 1.7 | 159 20 -7.4 19.0 56 33 23165 265 13 13.0 1.1 | 142 23 -14.4 18.4 57 31 23470 240 13 11.3 6.5 | 146 29 -16.1 23.8 58 30 23770 285 24 23.2 -6.2 | 159 12 -4.2 11.1 59 29 24079 275 27 26.9 -2.4 | 178 15 -0.4 14.9 60 26 24689 300 14 12.1 -7.0 | 124 18 -15.2 10.3 61 25 24994 245 10 9.1 4.2 | 140 28 -18.3 21.5 62 22 25603 260 25 24.6 4.3 | 173 22 -2.7 21.6 63 21 25908 275 26 25.9 -2.3 | 175 15 -1.4 15.0 64 20 26213 260 18 17.7 3.1 | 155 23 -9.6 20.4 65 20 26340 245 24 21.8 10.1 | 168 28 -5.6 27.4 66 17 26822 240 22 19.1 11.0 | 164 29 -8.3 28.3 67 15 27127 275 22 21.9 -1.9 | 161 16 -5.4 15.4 68 14 27432 260 20 19.7 3.5 | 160 22 -7.6 20.8 69 13 27737 265 23 22.9 2.0 | 167 20 -4.4 19.3 70 10 28346 245 20 18.1 8.5 | 160 27 -9.2 25.7 71 9 28651 245 34 30.8 14.4 | 186 32 3.5 31.6 72 7 29566 250 27 25.4 9.2 | 176 27 -2.0 26.5 Wind Parameters Mean winds (0-6000m): 272.3 at 43.1 knts Storm direction: 302.3 at 32.3 knts Shear (0-3000m) pos: 4.9 neg: 2.4 tot: 7.3 10-3/s Storm rel Dir Shear (0-3000m): 86.1 deg Storm rel helicity (0-3000m) pos: 457.9 neg: -21.1 tot: 436.9 m^2/s^2 ave: 145.6 10^-3 m/s^2 rel: 0.66 Storm rel vorticity (0-3000m) horiz: 12.9 stream: 8.5 10^-3/s Energy-Hel index: 0.09 Bulk Rich Number: 0.53 Bulk Shear: 69.40 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 ------------------------------------------------------------------------------- 500 241 32 181 33| 27.2 0.0 27.2|260.4 0.0 260.4 520.8 0.95| 31.2 29.7 1000 251 37 195 30| 15.4 0.0 15.4|295.1 0.0 295.1 295.1 0.93| 18.5 17.1 1500 255 41 203 30| 10.3 4.0 14.2|361.7 0.0 361.7 241.1 0.86| 16.3 14.1 2000 256 44 210 32| 7.7 3.6 11.3|375.1 0.0 375.1 187.5 0.85| 12.8 10.9 2500 257 47 214 33| 5.8 2.9 8.6|401.6 -18.4 383.2 153.3 0.75| 11.9 8.9 3000 260 47 217 32| 4.9 2.4 7.3|457.9 -21.1 436.9 145.6 0.66| 12.9 8.5 4000 266 45 220 27| 3.8 1.8 5.6|469.1 -40.5 428.6 107.1 0.50| 12.4 6.2 5000 269 44 223 24| 3.0 2.2 5.2|470.5 -56.2 414.3 82.9 0.40| 11.7 4.6 6000 272 43 225 22| 2.9 1.9 4.8|488.2 -56.2 432.0 72.0 0.42| 10.3 4.3 Wrote GIF file: /home/apache/climate/data/raob//CYAH/skewt/CYAH.skewt.20251010.12.gif