UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025070412.upa.cvt Date: 1200Z 4 JUL 25 Searching for CYAH... Searching the city database file for: CYAH ... Date:1200Z 4 JUL 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 133 SFC 980 306 12.0 5.0 62 7.0 8.3 265 3 286.8 287.8 282.4 302.6 5.58 2 956 511 10.4 2.4 58 8.0 6.5 329 6 287.2 288.1 281.7 300.8 4.76 3 933 713 12.2 1.2 47 11.0 6.8 348 8 291.1 291.9 283.0 304.0 4.47 4 925 785 11.8 3.8 58 8.0 7.6 340 9 291.4 292.3 284.2 307.0 5.43 5 915 876 11.0 3.0 58 8.0 6.9 333 10 291.5 292.4 284.0 306.4 5.19 6 900 1013 10.6 -4.4 35 15.0 4.0 328 13 292.4 293.0 282.0 301.5 3.06 7 885 1153 9.6 -2.4 43 12.0 4.1 326 16 292.8 293.4 282.8 303.5 3.62 8 864 1352 9.0 -9.0 27 18.0 1.8 335 18 294.2 294.6 281.7 301.0 2.24 9 850 1487 7.8 -2.2 49 10.0 3.2 345 17 294.3 295.0 283.7 305.6 3.82 10 835 1634 7.0 -8.0 33 15.0 0.9 342 20 295.0 295.4 282.4 302.5 2.50 11 830 1683 6.4 -1.6 57 8.0 2.7 343 20 294.9 295.6 284.2 306.9 4.10 12 825 1732 6.0 -2.0 56 8.0 2.3 343 20 294.9 295.7 284.1 306.8 4.00 13 808 1903 4.8 -2.2 60 7.0 1.6 344 20 295.4 296.1 284.3 307.4 4.02 14 804 1943 4.6 -4.4 52 9.0 0.7 343 20 295.6 296.2 283.7 305.9 3.43 15 760 2399 1.2 -4.8 64 6.0 -1.4 344 19 296.8 297.4 284.3 307.3 3.52 16 754 2463 0.8 -7.2 55 8.0 -2.4 344 19 297.0 297.5 283.8 305.9 2.95 17 733 2689 -0.7 -5.0 73 4.3 -2.6 333 18 297.8 298.4 284.8 308.6 3.59 18 700 3056 -3.1 -7.7 70 4.6 -4.9 335 18 299.1 299.6 284.7 308.4 3.06 19 699 3067 -3.3 -8.1 69 4.8 -5.2 335 18 299.0 299.5 284.5 308.0 2.97 20 688 3193 -3.5 -15.5 39 12.0 -7.4 333 17 300.1 300.4 283.5 305.3 1.66 21 681 3274 -3.7 -13.7 46 10.0 -7.1 331 16 300.7 301.1 284.1 306.8 1.95 22 661 3509 -4.5 -19.5 30 15.0 -8.9 340 16 302.4 302.6 284.0 306.4 1.23 23 648 3665 -5.7 -15.7 45 10.0 -8.9 350 17 302.8 303.1 284.7 308.3 1.74 24 644 3714 -5.7 -29.7 13 24.0 -11.1 349 17 303.3 303.4 283.4 305.0 0.51 25 631 3873 -6.5 -19.5 35 13.0 -10.3 343 17 304.2 304.4 284.7 308.4 1.29 26 625 3948 -6.9 -24.9 22 18.0 -11.4 341 17 304.6 304.7 284.2 307.2 0.81 27 616 4061 -7.7 -21.7 32 14.0 -11.5 337 18 304.9 305.1 284.7 308.5 1.09 28 611 4124 -8.3 -17.3 48 9.0 -11.1 335 18 304.9 305.2 285.4 310.1 1.61 29 607 4175 -8.5 -24.5 26 16.0 -12.5 334 18 305.3 305.4 284.6 308.1 0.87 30 603 4227 -9.1 -17.1 52 8.0 -11.5 332 18 305.2 305.5 285.5 310.5 1.66 31 599 4278 -9.3 -18.3 48 9.0 -11.9 330 18 305.5 305.8 285.4 310.4 1.51 32 597 4304 -9.3 -28.3 20 19.0 -13.5 329 18 305.8 305.9 284.5 307.9 0.62 33 596 4317 -9.3 -20.3 40 11.0 -12.4 329 18 305.9 306.2 285.4 310.1 1.28 34 585 4461 -10.1 -16.1 61 6.0 -12.0 324 17 306.6 307.0 286.2 312.6 1.86 35 581 4514 -10.3 -18.3 52 8.0 -12.6 322 16 307.0 307.3 286.1 312.0 1.56 36 577 4567 -9.9 -14.3 70 4.4 -11.4 321 16 308.1 308.5 287.1 315.1 2.19 37 557 4838 -11.5 -15.2 74 3.7 -12.7 332 22 309.3 309.7 287.5 316.1 2.11 38 543 5034 -11.7 -17.7 61 6.0 -13.5 335 26 311.3 311.7 287.8 317.1 1.75 39 512 5481 -15.3 -19.5 70 4.2 -16.5 335 25 312.3 312.6 287.9 317.5 1.59 40 500 5660 -16.5 -21.5 65 5.0 -17.8 335 23 312.9 313.2 287.9 317.5 1.37 41 478 5995 -19.3 -24.0 66 4.7 -20.4 339 24 313.5 313.7 287.9 317.4 1.15 42 475 6042 -19.7 -27.7 49 8.0 -21.3 339 24 313.6 313.7 287.6 316.4 0.83 43 464 6214 -21.1 -30.1 44 9.0 -22.8 340 23 314.0 314.1 287.5 316.3 0.68 44 462 6246 -21.1 -29.1 49 8.0 -22.6 340 23 314.3 314.5 287.7 316.9 0.75 45 460 6278 -21.3 -33.3 33 12.0 -23.3 340 22 314.5 314.6 287.5 316.2 0.50 46 438 6636 -24.5 -29.5 63 5.0 -25.4 341 25 314.9 315.0 287.9 317.5 0.76 47 426 6837 -25.7 -33.7 47 8.0 -26.9 342 28 315.8 315.9 288.0 317.7 0.52 48 424 6871 -25.3 -44.3 15 19.0 -27.3 343 29 316.8 316.8 287.9 317.4 0.18 49 422 6905 -25.1 -49.1 9 24.0 -27.3 343 29 317.5 317.5 288.1 317.9 0.10 50 400 7290 -28.3 -48.3 13 20.0 -30.0 345 36 318.2 318.2 288.3 318.7 0.12 51 337 8494 -37.7 -51.7 22 14.0 -38.5 354 46 321.4 321.4 289.3 321.7 0.10 52 323 8786 -39.1 -55.1 17 16.0 -39.9 359 57 323.4 323.4 289.9 323.6 0.07 53 303 9222 -40.7 -51.7 30 11.0 -41.3 2 76 327.1 327.1 291.0 327.5 0.11 54 300 9290 -41.3 -51.3 33 10.0 -41.8 360 80 327.2 327.2 291.0 327.6 0.11 55 290 9521 -43.5 -49.5 51 6.0 -43.8 360 80 327.2 327.2 291.1 327.8 0.14 56 282 9710 -44.9 -50.9 51 6.0 -45.2 360 86 327.8 327.8 291.2 328.3 0.13 57 250 10510 -51.1 -57.1 49 6.0 -51.3 355 80 330.1 330.1 291.8 330.4 0.07 58 230 11048 -54.3 -61.3 42 7.0 -54.5 350 74 333.2 333.2 292.6 333.4 0.04 59 200 11950 -51.1 -79.1 2 28.0 -51.5 345 39 351.8 351.8 297.0 351.9 0.00 60 150 13830 -50.5 -82.5 1 32.0 -51.1 330 31 383.1 383.1 302.8 383.1 0.00 61 100 16460 -50.7 -83.7 1 33.0 -51.5 310 15 429.8 429.8 308.8 429.8 0.00 62 80 17906 -53.1 -85.1 1 32.0 -53.9 268 17 453.1 453.1 311.1 453.2 0.00 63 70 18770 -51.3 -84.3 1 33.0 -52.4 320 8 474.6 474.6 313.0 474.7 0.00 64 50 20960 -50.3 -84.3 1 34.0 -52.0 50 3 524.9 524.9 316.6 525.0 0.01 65 30 24330 -46.7 -83.7 1 37.0 -50.1 60 14 617.3 617.3 321.4 617.4 0.01 66 21 26695 -44.7 -82.7 1 38.0 -49.8 112 12 689.7 689.7 324.1 689.8 0.02 67 20 27020 -44.9 -82.9 1 38.0 -50.1 110 15 698.7 698.7 324.4 698.9 0.02 68 10 31750 -35.7 -78.7 0 43.0 -48.4 100 18 886.3 886.3 329.2 887.1 0.08 69 5.3 36247 -26.9 -72.9 0 46.0 -49.1 1102.1 1102.4 332.7 1107.2 0.38 TRP 230 11048 -54.3 -61.3 42 7.0 -54.5 350 74 333.2 333.2 292.6 333.4 0.04 WND 282 9710 -44.9 -50.9 51 6.0 -45.2 360 86 327.8 327.8 291.2 328.3 0.13 Sounding variables and indices 1000-500 mb thick: 5527.00 m Freezing level: 742.80 mb = 2583.67 m = 8476.49 ft Wetbulb zero: 789.75 mb = 2088.07 m = 6850.55 ft Precipitable water: 0.58 inches Sfc-500 mean rel hum: 53.20 % Est. max temperature: 20.00 C = 68.00 F Sfc-Lift cond lev (LCL): 881.45 mb = 1186.40 m = 3892.34 ft T: 9.50 C 700-500 lapse rate: 5.15 C/km ThetaE index: 5.54 C Layer 915.0- 885.0 mb Conv cond level (CCL): 708.25 mb = 2962.74 m = 9720.16 ft Mean mixing ratio: 4.50 g/kg Conv temperature: 23.85 C = 74.94 F Cap Strength: 10.14 C Lifted Index: 10.26 C Risk: None Lifted Index @300 mb: 17.10 C Lifted Index @700 mb: 4.53 C Showalter Index: 8.62 C Risk: None Total Totals Index: 38.60 C Risk: None Vertical Totals Index: 24.30 C Cross Totals Index: 14.30 C K Index: 17.50 Risk: < 20 % chance of thunderstorms Sweat Index: 57.00 Risk: None Energy Index: 2.43 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 29.96 J/kg Max Up Vert Vel: 7.74 m/s Conv Inhibition (B-): 73977.91 J/kg Cap Strength: 10.23 C Lift Cond Lev (LCL): 800.32 mb = 1980.38 m = 6497.24 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 7 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 ---------------------------------------------------------- 0 980 306 265 3 3.0 0.3 | 198 15 4.6 14.1 1 945 610 360 7 -0.0 -7.0 | 193 7 1.6 6.8 2 925 785 340 9 3.1 -8.5 | 221 7 4.7 5.4 3 911 914 330 10 5.0 -8.7 | 232 8 6.6 5.2 4 878 1219 325 18 10.3 -14.7 | 274 12 11.9 -0.9 5 850 1487 345 17 4.4 -16.4 | 294 7 6.0 -2.6 6 846 1524 340 20 6.8 -18.8 | 301 10 8.4 -5.0 7 815 1829 345 20 5.2 -19.3 | 309 9 6.8 -5.5 8 785 2134 340 21 7.2 -19.7 | 304 11 8.8 -5.9 9 756 2438 345 19 4.9 -18.4 | 305 8 6.5 -4.5 10 728 2743 330 18 9.0 -15.6 | 280 11 10.6 -1.8 11 701 3048 340 18 6.2 -16.9 | 292 8 7.7 -3.1 12 700 3056 335 18 7.6 -16.3 | 285 10 9.2 -2.5 13 674 3353 330 15 7.5 -13.0 | 265 9 9.1 0.8 14 648 3658 350 17 3.0 -16.7 | 303 5 4.5 -2.9 15 599 4267 330 18 9.0 -15.6 | 280 11 10.6 -1.8 16 575 4572 320 16 10.3 -12.3 | 263 12 11.9 1.6 17 553 4877 335 23 9.7 -20.8 | 302 13 11.3 -7.0 18 532 5182 335 29 12.3 -26.3 | 312 19 13.8 -12.5 19 500 5660 335 23 9.7 -20.8 | 302 13 11.3 -7.0 20 471 6096 340 24 8.2 -22.6 | 312 13 9.8 -8.7 21 452 6401 340 21 7.2 -19.7 | 304 11 8.8 -5.9 22 400 7290 345 36 9.3 -34.8 | 333 24 10.9 -21.0 23 381 7620 345 37 9.6 -35.7 | 333 25 11.2 -21.9 24 334 8534 355 47 4.1 -46.8 | 350 33 5.7 -33.0 25 306 9144 5 71 -6.2 -70.7 | 5 57 -4.6 -56.9 26 300 9290 360 80 -0.0 -80.0 | 359 66 1.6 -66.2 27 293 9449 360 78 -0.0 -78.0 | 359 64 1.6 -64.2 28 282 9710 360 86 -0.0 -86.0 | 359 72 1.6 -72.2 29 280 9754 360 86 -0.0 -86.0 | 359 72 1.6 -72.2 30 250 10510 355 80 7.0 -79.7 | 353 66 8.6 -65.9 31 244 10668 355 80 7.0 -79.7 | 353 66 8.6 -65.9 32 233 10973 355 77 6.7 -76.7 | 352 63 8.3 -62.9 33 230 11048 350 74 12.8 -72.9 | 346 61 14.4 -59.1 34 200 11950 345 39 10.1 -37.7 | 334 27 11.7 -23.9 35 193 12192 345 39 10.1 -37.7 | 334 27 11.7 -23.9 36 176 12802 330 44 22.0 -38.1 | 316 34 23.6 -24.3 37 160 13411 335 26 11.0 -23.6 | 308 16 12.6 -9.8 38 150 13830 330 31 15.5 -26.8 | 307 21 17.1 -13.0 39 139 14326 315 25 17.7 -17.7 | 281 20 19.3 -3.9 40 133 14630 340 24 8.2 -22.6 | 312 13 9.8 -8.7 41 121 15240 330 16 8.0 -13.9 | 270 10 9.6 -0.0 42 115 15545 310 25 19.2 -16.1 | 276 21 20.7 -2.3 43 105 16154 305 16 13.1 -9.2 | 252 15 14.7 4.6 44 100 16459 345 13 3.4 -12.6 | 256 5 5.0 1.3 45 100 16460 310 15 11.5 -9.6 | 252 14 13.1 4.2 46 95 16764 310 14 10.7 -9.0 | 249 13 12.3 4.8 47 91 17069 245 10 9.1 4.2 | 211 21 10.6 18.0 48 87 17374 275 14 13.9 -1.2 | 231 20 15.5 12.6 49 83 17678 275 16 15.9 -1.4 | 235 21 17.5 12.4 50 79 17983 265 18 17.9 1.6 | 232 25 19.5 15.4 51 72 18593 300 23 19.9 -11.5 | 264 22 21.5 2.3 52 70 18770 320 8 5.1 -6.1 | 221 10 6.7 7.7 53 66 19202 305 6 4.9 -3.4 | 212 12 6.5 10.4 54 60 19812 330 14 7.0 -12.1 | 259 9 8.6 1.7 55 57 20117 15 10 -2.6 -9.7 | 166 4 -1.0 4.2 56 52 20726 105 10 -9.7 2.6 | 154 18 -8.1 16.4 57 50 20960 50 3 -2.3 -1.9 | 177 12 -0.7 11.9 58 47 21336 45 5 -3.5 -3.5 | 169 10 -1.9 10.3 59 45 21641 0 0 -0.0 -0.0 | 187 14 1.6 13.8 60 34 23470 120 11 -9.5 5.5 | 158 21 -7.9 19.3 61 33 23774 95 12 -12.0 1.0 | 145 18 -10.4 14.9 62 31 24079 145 13 -7.5 10.6 | 167 25 -5.9 24.5 63 30 24330 60 14 -12.1 -7.0 | 123 13 -10.5 6.8 64 28 24689 65 14 -12.7 -5.9 | 125 14 -11.1 7.9 65 27 24994 110 15 -14.1 5.1 | 147 23 -12.5 18.9 66 26 25298 110 18 -16.9 6.2 | 142 25 -15.3 20.0 67 25 25603 115 13 -11.8 5.5 | 152 22 -10.2 19.3 68 23 26213 100 15 -14.8 2.6 | 141 21 -13.2 16.4 69 22 26518 130 12 -9.2 7.7 | 161 23 -7.6 21.5 70 21 26822 100 12 -11.8 2.1 | 147 19 -10.2 15.9 71 20 27020 110 15 -14.1 5.1 | 147 23 -12.5 18.9 72 20 27127 90 21 -21.0 0.0 | 125 24 -19.4 13.8 73 19 27432 110 15 -14.1 5.1 | 147 23 -12.5 18.9 74 18 27737 120 17 -14.7 8.5 | 150 26 -13.1 22.3 75 17 28042 85 17 -16.9 -1.5 | 129 20 -15.3 12.3 76 16 28651 90 25 -25.0 0.0 | 121 27 -23.4 13.8 77 15 28956 100 14 -13.8 2.4 | 143 20 -12.2 16.2 78 14 29261 95 16 -15.9 1.4 | 137 21 -14.4 15.2 79 14 29566 55 13 -10.6 -7.5 | 125 11 -9.1 6.4 80 13 30175 85 27 -26.9 -2.4 | 114 28 -25.3 11.5 81 10 31750 100 18 -17.7 3.1 | 136 23 -16.1 16.9 Wind Parameters Mean winds (0-6000m): 336.6 at 18.5 knts Storm direction: 6.6 at 13.9 knts Shear (0-3000m) pos: 2.2 neg: 1.3 tot: 3.5 10-3/s Storm rel Dir Shear (0-3000m): 70.1 deg Storm rel helicity (0-3000m) pos: 49.8 neg: -23.3 tot: 26.5 m^2/s^2 ave: 8.8 10^-3 m/s^2 rel: 0.24 Storm rel vorticity (0-3000m) horiz: 7.7 stream: 1.8 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 1.48 Bulk Shear: 20.24 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 ------------------------------------------------------------------------------- 500 343 6 204 9| 9.0 0.0 9.0| 13.7 -4.2 9.4 18.9 0.29| 13.0 3.8 1000 332 10 231 8| 4.5 4.4 9.0| 36.2 -4.2 32.0 32.0 0.54| 12.3 6.6 1500 337 13 254 7| 4.4 3.0 7.4| 46.2 -4.2 42.0 28.0 0.56| 10.5 5.9 2000 339 15 270 7| 3.3 2.3 5.6| 46.4 -6.0 40.4 20.2 0.49| 8.6 4.3 2500 339 16 276 7| 2.6 1.8 4.5| 46.4 -14.8 31.6 12.6 0.33| 8.0 2.7 3000 338 16 277 8| 2.2 1.3 3.5| 49.8 -23.3 26.5 8.8 0.24| 7.7 1.8 4000 338 16 279 8| 2.2 1.6 3.7| 56.9 -30.8 26.1 6.5 0.20| 7.2 1.5 5000 336 17 284 9| 2.6 1.2 3.9| 93.8 -39.8 54.0 10.8 0.26| 7.6 2.0 6000 337 19 290 10| 1.9 1.0 3.0|100.8 -50.7 50.0 8.3 0.22| 7.0 1.6 Wrote GIF file: /home/apache/climate/data/raob//CYAH/skewt/CYAH.skewt.20250704.12.gif