UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101800.upa.cvt Date: 0000Z 18 OCT 25 Searching for CYAH... Searching the city database file for: CYAH ... Date:0000Z 18 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 108 SFC 977 306 3.2 -1.0 74 4.2 1.4 130 5 278.2 278.8 275.7 288.2 3.63 2 974 331 7.0 -1.0 57 8.0 3.5 132 6 282.3 282.9 277.9 292.5 3.64 3 971 356 7.2 -0.8 57 8.0 3.7 135 7 282.7 283.4 278.2 293.2 3.71 4 956 482 6.6 -1.4 57 8.0 3.1 147 13 283.4 284.0 278.4 293.6 3.61 5 925 748 4.6 -1.4 65 6.0 2.0 155 20 284.0 284.7 278.9 294.6 3.73 6 867 1271 0.4 -2.2 83 2.6 -0.7 182 25 284.9 285.6 279.4 295.6 3.75 7 852 1411 0.8 -26.2 11 27.0 -5.5 189 21 286.8 286.9 275.9 288.5 0.53 8 850 1430 0.8 -26.2 11 27.0 -5.6 190 21 287.0 287.1 276.0 288.7 0.53 9 833 1592 0.6 -28.4 9 29.0 -6.0 190 21 288.4 288.5 276.6 289.8 0.44 10 812 1797 0.0 -24.0 14 24.0 -6.1 190 22 289.9 290.0 277.7 292.0 0.68 11 805 1866 -0.5 -10.5 47 10.0 -4.0 190 22 290.1 290.5 279.7 296.5 2.13 12 799 1926 -0.9 -9.9 50 9.0 -4.1 190 21 290.3 290.7 280.0 297.0 2.25 13 785 2067 -1.3 -34.3 6 33.0 -7.8 190 20 291.3 291.4 277.7 292.2 0.27 14 762 2303 -1.9 -24.9 15 23.0 -7.6 190 19 293.2 293.3 279.2 295.3 0.66 15 753 2398 -2.5 -14.5 39 12.0 -6.4 190 19 293.5 293.8 280.7 298.6 1.65 16 736 2578 -3.3 -16.3 36 13.0 -7.3 204 17 294.6 294.8 280.9 299.1 1.45 17 710 2863 -1.9 -30.9 9 29.0 -8.4 233 13 299.2 299.2 281.5 300.5 0.41 18 700 2976 -2.9 -25.9 15 23.0 -8.6 245 11 299.3 299.4 282.0 301.4 0.66 19 689 3101 -3.7 -22.7 21 19.0 -8.8 254 13 299.7 299.9 282.4 302.6 0.89 20 679 3217 -4.7 -12.7 54 8.0 -7.5 251 12 299.9 300.3 284.0 306.5 2.12 21 666 3369 -6.1 -11.1 68 5.0 -7.9 247 11 300.0 300.4 284.4 307.5 2.46 22 605 4112 -12.5 -15.2 80 2.7 -13.3 233 10 300.9 301.3 284.2 307.0 1.94 23 601 4163 -10.7 -25.7 28 15.0 -14.2 232 11 303.6 303.7 283.8 306.2 0.78 24 594 4253 -9.5 -36.5 9 27.0 -14.3 230 11 306.0 306.1 284.2 307.0 0.28 25 560 4708 -10.7 -44.7 4 34.0 -15.7 297 15 309.8 309.8 285.4 310.3 0.13 26 500 5570 -16.9 -31.9 26 15.0 -19.7 290 29 312.4 312.5 286.8 314.3 0.53 27 448 6382 -23.3 -32.3 43 9.0 -24.8 304 29 314.4 314.5 287.5 316.3 0.57 28 442 6480 -23.7 -39.7 22 16.0 -25.8 305 30 315.1 315.1 287.5 316.1 0.27 29 422 6816 -26.1 -47.1 12 21.0 -28.1 305 35 316.2 316.2 287.6 316.7 0.13 30 407 7076 -28.1 -46.1 16 18.0 -29.8 305 39 316.9 316.9 287.9 317.5 0.15 31 400 7200 -29.3 -38.3 41 9.0 -30.4 305 41 316.9 317.0 288.2 318.2 0.35 32 397 7254 -29.7 -37.7 46 8.0 -30.7 306 41 317.1 317.1 288.2 318.4 0.38 33 395 7289 -29.9 -38.9 41 9.0 -30.9 306 42 317.3 317.3 288.2 318.5 0.33 34 391 7362 -30.5 -47.5 17 17.0 -31.9 307 42 317.4 317.4 288.1 317.9 0.13 35 384 7489 -31.5 -38.5 50 7.0 -32.3 308 44 317.7 317.8 288.4 319.0 0.36 36 373 7694 -32.1 -51.1 13 19.0 -33.4 310 46 319.6 319.6 288.7 320.0 0.09 37 363 7885 -33.7 -54.7 10 21.0 -35.0 312 49 319.9 320.0 288.8 320.2 0.06 38 343 8279 -36.7 -51.7 20 15.0 -37.6 314 55 321.1 321.1 289.2 321.5 0.09 39 333 8483 -38.3 -44.3 53 6.0 -38.8 316 58 321.6 321.7 289.5 322.5 0.22 40 325 8649 -39.9 -44.4 62 4.5 -40.2 317 60 321.7 321.7 289.5 322.5 0.23 41 313 8904 -41.9 -45.4 69 3.5 -42.1 318 64 322.4 322.4 289.7 323.2 0.21 42 304 9101 -42.9 -54.9 26 12.0 -43.4 320 67 323.7 323.7 290.0 324.0 0.07 43 300 9190 -43.7 -54.7 29 11.0 -44.2 315 71 323.8 323.8 290.0 324.1 0.08 44 269 9913 -50.7 -57.7 43 7.0 -50.9 312 70 323.8 323.8 290.0 324.1 0.06 45 266 9986 -50.9 -60.9 30 10.0 -51.1 311 70 324.6 324.6 290.2 324.7 0.04 46 257 10211 -51.1 -63.1 23 12.0 -51.4 312 75 327.5 327.5 291.0 327.6 0.03 47 250 10390 -52.3 -63.3 25 11.0 -52.5 315 81 328.3 328.3 291.3 328.4 0.03 48 235 10789 -54.4 -62.8 35 8.4 -54.6 310 93 331.0 331.0 292.0 331.1 0.04 49 233 10844 -54.7 -62.7 37 8.0 -54.9 310 93 331.4 331.4 292.1 331.5 0.04 50 213 11417 -56.7 -72.7 12 16.0 -56.9 315 62 336.9 336.9 293.6 336.9 0.01 51 211 11476 -56.7 -73.7 10 17.0 -56.9 316 61 337.8 337.8 293.8 337.8 0.01 52 206 11629 -55.3 -75.3 7 20.0 -55.5 318 58 342.3 342.3 294.8 342.3 0.01 53 202 11756 -51.9 -77.9 3 26.0 -52.3 319 55 349.6 349.6 296.5 349.6 0.00 54 200 11820 -52.5 -78.5 3 26.0 -52.9 320 54 349.6 349.6 296.5 349.6 0.00 55 191 12116 -54.5 -79.5 3 25.0 -54.8 324 49 351.1 351.1 296.8 351.1 0.00 56 182 12425 -54.9 -79.9 3 25.0 -55.2 314 48 355.3 355.3 297.8 355.3 0.00 57 157 13362 -57.9 -82.9 3 25.0 -58.2 315 34 365.5 365.5 299.8 365.5 0.00 58 150 13650 -57.3 -83.3 2 26.0 -57.6 315 42 371.4 371.4 300.8 371.4 0.00 59 136 14274 -56.1 -84.1 2 28.0 -56.5 315 46 384.0 384.0 302.9 384.0 0.00 60 128 14658 -58.3 -85.3 2 27.0 -58.6 320 34 386.8 386.8 303.3 386.8 0.00 61 100 16210 -60.1 -87.1 2 27.0 -60.4 305 20 411.6 411.6 306.7 411.6 0.00 62 90 16871 -58.3 -86.3 2 28.0 -58.7 314 23 427.8 427.8 308.6 427.8 0.00 63 86 17156 -59.5 -87.5 1 28.0 -59.9 323 22 431.0 431.0 308.9 431.0 0.00 64 83 17379 -58.1 -87.1 1 29.0 -58.6 329 21 438.2 438.2 309.7 438.2 0.00 65 70 18450 -59.1 -87.1 1 28.0 -59.6 280 11 457.9 457.9 311.6 458.0 0.00 66 50 20540 -59.9 -88.9 1 29.0 -60.5 290 12 502.3 502.3 315.1 502.3 0.00 67 38 22253 -61.7 -89.7 1 28.0 -62.3 285 16 538.8 538.8 317.5 538.8 0.00 68 33 23135 -59.3 -89.3 1 30.0 -60.2 262 21 567.3 567.3 319.0 567.3 0.00 69 30 23730 -61.5 -89.5 1 28.0 -62.3 265 15 577.0 577.0 319.5 577.0 0.00 70 26 24613 -63.1 -90.1 1 27.0 -63.8 266 22 596.5 596.5 320.5 596.6 0.00 71 20 26240 -59.5 -89.5 1 30.0 -60.9 255 34 654.0 654.0 322.9 654.1 0.01 72 15 28030 -63.3 -91.3 1 28.0 -64.4 255 40 697.5 697.5 324.3 697.5 0.01 73 11 29951 -61.1 -91.1 1 30.0 -63.0 263 55 770.2 770.2 326.5 770.3 0.01 74 10 30550 -56.5 -88.5 1 32.0 -59.7 250 62 808.6 808.7 327.4 808.8 0.02 75 7.8 32139 -53.1 -87.1 1 34.0 -58.2 881.8 881.8 329.1 882.1 0.03 76 7.6 32306 -54.3 -87.3 1 33.0 -59.0 883.6 883.6 329.1 883.8 0.03 TRP 213 11417 -56.7 -72.7 12 16.0 -56.9 315 62 336.9 336.9 293.6 336.9 0.01 WND 235 10789 -54.4 -62.8 35 8.4 -54.6 310 93 331.0 331.0 292.0 331.1 0.04 Sounding variables and indices 1000-500 mb thick: 5462.00 m Freezing level: 812.00 mb = 1796.71 m = 5894.65 ft Wetbulb zero: 881.87 mb = 1133.77 m = 3719.66 ft Precipitable water: 0.34 inches Sfc-500 mean rel hum: 37.00 % Est. max temperature: 13.79 C = 56.82 F Sfc-Lift cond lev (LCL): 915.46 mb = 831.73 m = 2728.72 ft T: 3.93 C 700-500 lapse rate: 5.40 C/km ThetaE index: 7.15 C Layer 852.0- 850.0 mb Conv cond level (CCL): 668.23 mb = 3342.26 m = 10965.30 ft Mean mixing ratio: 3.70 g/kg Conv temperature: 24.81 C = 76.67 F Cap Strength: 15.30 C Lifted Index: 16.13 C Risk: None Lifted Index @300 mb: 20.97 C Lifted Index @700 mb: 9.97 C Showalter Index: 20.35 C Risk: None Total Totals Index: 8.40 C Risk: None Vertical Totals Index: 17.70 C Cross Totals Index: -9.30 C K Index: -31.50 Risk: None Sweat Index: 219.10 Risk: None Energy Index: 5.41 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 8.75 J/kg Max Up Vert Vel: 4.18 m/s Conv Inhibition (B-): 60004.23 J/kg Cap Strength: 16.10 C Lift Cond Lev (LCL): 844.04 mb = 1486.42 m = 4876.65 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 270 at 14 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 ---------------------------------------------------------- 0 977 306 130 5 -3.8 3.2 | 100 18 -17.5 3.1 1 941 610 160 18 -6.2 16.9 | 130 26 -19.8 16.8 2 925 748 155 20 -8.5 18.1 | 129 29 -22.1 18.0 3 906 914 160 20 -6.8 18.8 | 132 28 -20.5 18.7 4 873 1219 180 26 0.0 26.0 | 152 29 -13.7 25.9 5 850 1430 190 21 3.6 20.7 | 154 23 -10.0 20.6 6 840 1524 190 21 3.6 20.7 | 154 23 -10.0 20.6 7 808 1829 190 22 3.8 21.7 | 155 24 -9.8 21.6 8 778 2134 190 20 3.5 19.7 | 153 22 -10.2 19.6 9 749 2438 190 19 3.3 18.7 | 151 21 -10.4 18.6 10 721 2743 220 15 9.6 11.5 | 161 12 -4.0 11.4 11 700 2976 245 11 10.0 4.6 | 141 6 -3.7 4.5 12 693 3048 255 13 12.6 3.4 | 161 3 -1.1 3.3 13 641 3658 240 9 7.8 4.5 | 127 7 -5.9 4.4 14 592 4267 230 11 8.4 7.1 | 143 9 -5.2 7.0 15 569 4572 295 14 12.7 -5.9 | 9 6 -1.0 -6.0 16 547 4877 300 17 14.7 -8.5 | 353 9 1.1 -8.6 17 505 5486 305 28 22.9 -16.1 | 330 19 9.3 -16.2 18 500 5570 290 29 27.3 -9.9 | 306 17 13.6 -10.0 19 485 5791 290 28 26.3 -9.6 | 307 16 12.6 -9.7 20 465 6096 295 26 23.6 -11.0 | 318 15 9.9 -11.1 21 446 6401 305 29 23.8 -16.6 | 329 20 10.1 -16.7 22 400 7200 305 41 33.6 -23.5 | 320 31 19.9 -23.6 23 376 7620 310 45 34.5 -28.9 | 324 36 20.8 -29.0 24 302 9144 320 68 43.7 -52.1 | 330 60 30.0 -52.2 25 300 9190 315 71 50.2 -50.2 | 324 62 36.5 -50.3 26 275 9754 315 71 50.2 -50.2 | 324 62 36.5 -50.3 27 263 10058 310 70 53.6 -45.0 | 318 60 40.0 -45.1 28 250 10390 315 81 57.3 -57.3 | 323 72 43.6 -57.4 29 239 10668 315 83 58.7 -58.7 | 323 74 45.0 -58.8 30 235 10789 310 93 71.2 -59.8 | 316 83 57.6 -59.9 31 228 10973 310 93 71.2 -59.8 | 316 83 57.6 -59.9 32 213 11417 315 62 43.8 -43.8 | 326 53 30.2 -43.9 33 200 11820 320 54 34.7 -41.4 | 333 47 21.0 -41.5 34 189 12192 325 48 27.5 -39.3 | 341 42 13.9 -39.4 35 180 12497 310 48 36.8 -30.9 | 323 39 23.1 -31.0 36 156 13411 315 33 23.3 -23.3 | 338 25 9.7 -23.4 37 150 13650 315 42 29.7 -29.7 | 332 34 16.0 -29.8 38 135 14326 315 46 32.5 -32.5 | 330 38 18.9 -32.6 39 122 14935 325 24 13.8 -19.7 | 360 20 0.1 -19.8 40 117 15240 290 26 24.4 -8.9 | 310 14 10.8 -9.0 41 111 15545 320 20 12.9 -15.3 | 3 15 -0.8 -15.4 42 101 16154 320 16 10.3 -12.3 | 15 13 -3.4 -12.4 43 100 16210 305 20 16.4 -11.5 | 347 12 2.7 -11.6 44 96 16459 305 20 16.4 -11.5 | 347 12 2.7 -11.6 45 92 16764 310 23 17.6 -14.8 | 345 15 4.0 -14.9 46 83 17374 330 21 10.5 -18.2 | 10 19 -3.2 -18.3 47 79 17678 305 14 11.5 -8.0 | 15 8 -2.2 -8.1 48 75 17983 270 10 10.0 -0.0 | 88 4 -3.7 -0.1 49 72 18288 290 13 12.2 -4.4 | 18 5 -1.4 -4.5 50 70 18450 280 11 10.8 -1.9 | 55 3 -2.8 -2.0 51 68 18593 270 12 12.0 -0.0 | 87 2 -1.7 -0.1 52 65 18898 285 15 14.5 -3.9 | 348 4 0.8 -4.0 53 62 19202 275 18 17.9 -1.6 | 291 5 4.3 -1.7 54 59 19507 315 21 14.8 -14.8 | 355 15 1.2 -14.9 55 56 19812 260 10 9.8 1.7 | 113 4 -3.8 1.6 56 54 20117 305 20 16.4 -11.5 | 347 12 2.7 -11.6 57 51 20422 325 11 6.3 -9.0 | 39 12 -7.4 -9.1 58 50 20540 290 12 11.3 -4.1 | 30 5 -2.4 -4.2 59 49 20726 270 10 10.0 -0.0 | 88 4 -3.7 -0.1 60 46 21031 310 18 13.8 -11.6 | 359 12 0.1 -11.7 61 44 21336 335 7 3.0 -6.3 | 59 12 -10.7 -6.4 62 42 21641 230 2 1.5 1.3 | 96 12 -12.1 1.2 63 40 21946 250 10 9.4 3.4 | 128 5 -4.3 3.3 64 38 22250 285 16 15.5 -4.1 | 337 5 1.8 -4.2 65 36 22555 295 18 16.3 -7.6 | 341 8 2.7 -7.7 66 34 22860 260 21 20.7 3.6 | 243 8 7.0 3.5 67 31 23470 265 20 19.9 1.7 | 255 6 6.3 1.6 68 30 23730 265 15 14.9 1.3 | 227 2 1.3 1.2 69 28 24079 260 17 16.7 3.0 | 227 4 3.1 2.9 70 27 24384 255 24 23.2 6.2 | 237 11 9.5 6.1 71 24 24994 285 19 18.4 -4.9 | 317 7 4.7 -5.0 72 21 25908 260 24 23.6 4.2 | 248 11 10.0 4.1 73 20 26213 270 26 26.0 -0.0 | 270 12 12.3 -0.1 74 20 26240 255 34 32.8 8.8 | 246 21 19.2 8.7 75 19 26518 250 30 28.2 10.3 | 235 18 14.5 10.2 76 17 27432 260 33 32.5 5.7 | 253 20 18.8 5.6 77 12 29261 245 54 48.9 22.8 | 237 42 35.3 22.7 78 11 29870 265 54 53.8 4.7 | 263 40 40.1 4.6 79 10 30550 250 62 58.3 21.2 | 245 49 44.6 21.1 Wind Parameters Mean winds (0-6000m): 239.6 at 18.2 knts Storm direction: 269.6 at 13.7 knts Shear (0-3000m) pos: 2.6 neg: 0.4 tot: 3.0 10-3/s Storm rel Dir Shear (0-3000m): 42.0 deg Storm rel helicity (0-3000m) pos: 175.5 neg: -15.9 tot: 159.6 m^2/s^2 ave: 53.2 10^-3 m/s^2 rel: 0.40 Storm rel vorticity (0-3000m) horiz: 9.9 stream: 3.9 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.13 Bulk Shear: 64.90 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 ------------------------------------------------------------------------------- 500 155 15 124 24| 16.1 0.0 16.1| 70.3 -1.1 69.1 138.3 0.70| 17.2 12.1 1000 165 19 134 26| 11.0 0.0 11.0|156.4 -1.1 155.3 155.3 0.77| 15.5 11.9 1500 174 20 141 25| 6.8 0.0 6.8|161.8 -1.1 160.6 107.1 0.69| 11.9 8.2 2000 178 20 144 24| 5.1 0.6 5.8|161.8 -10.0 151.8 75.9 0.60| 9.6 5.8 2500 182 19 146 23| 3.5 0.5 4.0|174.8 -11.5 163.3 65.3 0.51| 10.2 5.1 3000 189 18 148 21| 2.6 0.4 3.0|175.5 -15.9 159.6 53.2 0.40| 9.9 3.9 4000 197 16 149 18| 2.2 0.4 2.6|180.5 -18.2 162.3 40.6 0.37| 8.3 3.1 5000 214 16 161 14| 3.2 0.3 3.6|180.5 -35.1 145.4 29.1 0.13| 9.2 1.2 6000 240 18 193 9| 2.8 0.3 3.1|202.8 -71.8 130.9 21.8 0.08| 9.2 0.8 Wrote GIF file: /home/apache/climate/data/raob//CYAH/skewt/CYAH.skewt.20251018.00.gif