UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025052812.upa.cvt Date: 1200Z 28 MAY 25 Searching for CYAH... Searching the city database file for: CYAH ... Date:1200Z 28 MAY 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 168 SFC 983 306 12.0 0.0 44 12.0 6.3 240 7 286.6 287.2 280.3 297.7 3.89 2 958 524 10.2 -2.8 40 13.0 4.5 269 28 286.8 287.4 279.6 296.2 3.24 3 943 657 14.2 -0.8 36 15.0 7.0 280 36 292.2 292.9 282.8 303.4 3.82 4 935 730 14.4 -0.6 36 15.0 7.1 280 37 293.1 293.8 283.2 304.6 3.91 5 929 785 14.2 -1.8 33 16.0 6.6 280 37 293.5 294.1 283.0 304.1 3.60 6 925 822 14.2 -0.8 36 15.0 6.9 280 37 293.8 294.5 283.5 305.3 3.90 7 850 1528 9.0 -1.0 49 10.0 4.2 290 32 295.6 296.3 284.5 307.9 4.18 8 798 2046 4.2 -1.8 65 6.0 1.4 298 32 295.8 296.6 284.7 308.3 4.20 9 788 2148 3.6 -3.4 60 7.0 0.5 300 33 296.3 296.9 284.4 307.5 3.77 10 756 2484 2.8 -24.2 12 27.0 -4.7 306 29 298.9 299.1 281.8 301.3 0.71 11 739 2668 2.2 -29.8 7 32.0 -5.6 309 28 300.2 300.3 282.0 301.7 0.44 12 711 2980 1.2 -12.8 34 14.0 -4.0 318 29 302.5 302.8 284.8 308.8 2.01 13 703 3071 1.2 -32.8 6 34.0 -6.7 320 28 303.4 303.5 283.2 304.6 0.34 14 700 3105 1.0 -16.0 27 17.0 -4.8 320 26 303.6 303.9 284.8 308.6 1.57 15 698 3128 1.0 -24.0 13 25.0 -6.1 320 26 303.8 304.0 284.0 306.4 0.79 16 686 3267 0.6 -19.4 21 20.0 -5.7 317 26 304.9 305.1 284.9 308.8 1.20 17 669 3468 -0.5 -11.5 43 11.0 -4.7 314 25 305.9 306.3 286.5 313.4 2.37 18 642 3795 -2.9 -11.9 50 9.0 -6.3 311 24 306.8 307.2 286.9 314.3 2.39 19 632 3920 -3.3 -16.3 36 13.0 -7.7 312 22 307.7 308.0 286.5 313.2 1.69 20 580 4592 -7.9 -17.9 44 10.0 -11.1 340 19 310.0 310.3 287.2 315.2 1.61 21 577 4633 -7.9 -22.9 29 15.0 -12.0 337 19 310.4 310.6 286.7 313.9 1.05 22 550 5003 -10.7 -21.7 40 11.0 -13.7 320 20 311.4 311.6 287.2 315.5 1.22 23 530 5287 -12.1 -29.1 23 17.0 -15.9 329 21 313.0 313.2 287.2 315.3 0.65 24 519 5447 -13.1 -29.1 25 16.0 -16.6 328 22 313.7 313.8 287.4 316.0 0.66 25 500 5730 -15.3 -31.3 24 16.0 -18.5 325 24 314.4 314.5 287.5 316.3 0.56 26 462 6321 -19.9 -36.9 21 17.0 -22.5 321 23 315.8 315.9 287.8 317.1 0.35 27 416 7088 -26.5 -37.5 35 11.0 -27.9 324 22 317.0 317.0 288.2 318.3 0.37 28 406 7263 -28.1 -34.1 56 6.0 -28.9 325 22 317.1 317.2 288.4 319.0 0.53 29 400 7370 -28.9 -34.9 56 6.0 -29.7 325 22 317.4 317.5 288.5 319.2 0.49 30 390 7551 -30.5 -38.5 45 8.0 -31.4 321 24 317.6 317.7 288.4 318.9 0.35 31 387 7606 -30.7 -44.7 24 14.0 -32.0 320 25 318.1 318.1 288.3 318.8 0.18 32 366 8001 -33.1 -50.1 17 17.0 -34.3 326 28 320.0 320.0 288.9 320.4 0.11 33 351 8295 -35.1 -54.1 13 19.0 -36.2 330 30 321.2 321.2 289.2 321.4 0.07 34 315 9040 -41.5 -56.5 18 15.0 -42.1 326 31 322.3 322.4 289.5 322.6 0.06 35 302 9325 -43.9 -53.9 32 10.0 -44.3 321 32 322.9 322.9 289.8 323.2 0.08 36 300 9370 -44.3 -57.3 22 13.0 -44.7 320 32 322.9 322.9 289.7 323.1 0.06 37 287 9664 -46.7 -58.7 24 12.0 -47.1 321 32 323.6 323.6 289.9 323.8 0.05 38 275 9944 -48.9 -52.7 64 3.8 -49.0 322 32 324.4 324.4 290.2 324.8 0.10 39 252 10509 -53.7 -59.7 48 6.0 -53.8 325 31 325.5 325.5 290.5 325.7 0.05 40 250 10560 -54.1 -59.1 54 5.0 -54.2 325 31 325.6 325.6 290.5 325.8 0.05 41 217 11450 -61.5 -65.8 56 4.3 -61.6 320 33 327.6 327.6 291.0 327.7 0.03 42 200 11950 -64.5 -68.8 55 4.3 -64.6 340 32 330.6 330.6 291.9 330.7 0.02 43 190 12264 -65.7 -70.0 55 4.3 -65.7 350 35 333.6 333.6 292.7 333.6 0.02 44 187 12362 -65.7 -69.9 56 4.2 -65.7 350 35 335.1 335.1 293.1 335.2 0.02 45 181 12561 -64.5 -75.5 21 11.0 -64.6 342 34 340.2 340.2 294.4 340.2 0.01 46 180 12596 -61.9 -76.9 12 15.0 -62.0 338 34 345.0 345.0 295.5 345.0 0.01 47 175 12770 -62.7 -78.7 10 16.0 -62.8 318 31 346.4 346.5 295.8 346.5 0.00 48 171 12914 -61.1 -83.1 4 22.0 -61.3 320 32 351.4 351.4 297.0 351.4 0.00 49 162 13252 -60.1 -85.1 2 25.0 -60.3 334 35 358.6 358.6 298.4 358.6 0.00 50 156 13491 -56.7 -85.7 1 29.0 -57.0 341 33 368.2 368.2 300.2 368.2 0.00 51 150 13740 -57.5 -85.5 2 28.0 -57.8 315 22 371.0 371.0 300.8 371.0 0.00 52 100 16300 -57.1 -88.1 1 31.0 -57.5 335 20 417.4 417.4 307.4 417.4 0.00 53 82 17564 -55.7 -88.7 1 33.0 -56.3 347 17 444.6 444.6 310.3 444.6 0.00 54 75 18132 -57.7 -88.7 1 31.0 -58.2 327 15 451.9 451.9 311.0 451.9 0.00 55 70 18570 -56.3 -88.3 1 32.0 -56.9 345 13 463.9 463.9 312.1 464.0 0.00 56 50 20720 -53.1 -88.1 1 35.0 -54.4 20 14 518.3 518.3 316.2 518.4 0.00 57 31 23807 -50.7 -88.7 0 38.0 -53.1 60 8 600.8 600.8 320.6 600.8 0.00 58 30 24020 -51.5 -88.5 0 37.0 -53.8 40 10 604.2 604.2 320.8 604.3 0.01 59 29 24238 -52.3 -89.3 0 37.0 -54.5 13 14 607.9 607.9 321.0 608.0 0.00 60 25 25206 -46.9 -85.9 0 39.0 -50.8 20 11 649.8 649.8 322.7 649.9 0.01 61 21 26358 -46.3 -85.3 0 39.0 -50.8 68 11 684.8 684.8 323.9 684.9 0.01 62 20 26680 -47.3 -86.3 0 39.0 -51.7 135 9 691.4 691.4 324.1 691.5 0.01 63 19 27019 -47.9 -86.9 0 39.0 -52.2 135 7 699.7 699.8 324.4 699.8 0.01 64 10 31360 -36.7 -78.7 0 42.0 -48.8 90 27 882.5 882.6 329.1 883.4 0.08 65 9.4 31788 -37.3 -79.3 0 42.0 -49.4 896.0 896.1 329.4 896.9 0.08 66 6.3 34612 -27.1 -73.1 0 46.0 -48.1 1048.1 1048.3 331.9 1052.1 0.31 TRP 190 12264 -65.7 -70.0 55 4.3 -65.7 350 35 333.6 333.6 292.7 333.6 0.02 WND Sounding variables and indices 1000-500 mb thick: 5562.00 m Freezing level: 676.73 mb = 3376.64 m = 11078.09 ft Wetbulb zero: 785.13 mb = 2177.95 m = 7145.41 ft Precipitable water: 0.50 inches Sfc-500 mean rel hum: 36.61 % Est. max temperature: 21.07 C = 69.93 F Sfc-Lift cond lev (LCL): 819.05 mb = 1832.37 m = 6011.63 ft T: 6.18 C 700-500 lapse rate: 6.21 C/km ThetaE index: 7.02 C Layer 788.0- 739.0 mb Conv cond level (CCL): 586.80 mb = 4501.05 m = 14767.04 ft Mean mixing ratio: 3.78 g/kg Conv temperature: 35.00 C = 95.00 F Cap Strength: 11.78 C Lifted Index: 11.87 C Risk: None Lifted Index @300 mb: 14.51 C Lifted Index @700 mb: 8.95 C Showalter Index: 8.29 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: 6.30 Risk: None Sweat Index: 88.00 Risk: None Energy Index: 1.80 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 45.42 J/kg Max Up Vert Vel: 9.53 m/s Conv Inhibition (B-): 84238.16 J/kg Cap Strength: 11.84 C Lift Cond Lev (LCL): 756.53 mb = 2478.69 m = 8132.07 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 336 at 20 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 ---------------------------------------------------------- 0 983 306 240 7 6.1 3.5 | 175 22 -1.9 21.5 1 948 610 280 36 35.5 -6.3 | 247 30 27.5 11.7 2 925 822 280 37 36.4 -6.4 | 248 31 28.5 11.5 3 915 914 280 38 37.4 -6.6 | 249 32 29.5 11.4 4 882 1219 285 39 37.7 -10.1 | 255 31 29.7 7.9 5 850 1528 290 32 30.1 -10.9 | 252 23 22.1 7.0 6 819 1829 295 30 27.2 -12.7 | 255 20 19.2 5.3 7 789 2134 300 33 28.6 -16.5 | 266 21 20.6 1.5 8 760 2438 305 29 23.8 -16.6 | 265 16 15.8 1.3 9 732 2743 310 28 21.4 -18.0 | 270 13 13.5 -0.0 10 705 3048 320 29 18.6 -22.2 | 292 11 10.7 -4.2 11 700 3105 320 26 16.7 -19.9 | 283 9 8.7 -1.9 12 652 3658 310 25 19.2 -16.1 | 260 11 11.2 1.9 13 603 4267 315 18 12.7 -12.7 | 222 7 4.8 5.2 14 580 4572 340 19 6.5 -17.9 | 94 1 -1.5 0.1 15 558 4877 315 20 14.1 -14.1 | 238 7 6.2 3.8 16 536 5182 330 20 10.0 -17.3 | 252 2 2.0 0.6 17 500 5730 325 24 13.8 -19.7 | 286 6 5.8 -1.7 18 476 6096 320 23 14.8 -17.6 | 267 7 6.8 0.3 19 400 7370 325 22 12.6 -18.0 | 271 5 4.6 -0.1 20 386 7620 320 25 16.1 -19.2 | 278 8 8.1 -1.2 21 353 8230 330 30 15.0 -26.0 | 319 11 7.0 -8.0 22 310 9144 325 31 17.8 -25.4 | 307 12 9.8 -7.4 23 300 9370 320 32 20.6 -24.5 | 297 14 12.6 -6.5 24 250 10560 325 31 17.8 -25.4 | 307 12 9.8 -7.4 25 246 10668 325 31 17.8 -25.4 | 307 12 9.8 -7.4 26 223 11278 315 31 21.9 -21.9 | 286 14 13.9 -4.0 27 202 11887 335 38 16.1 -34.4 | 334 18 8.1 -16.5 28 200 11950 340 32 10.9 -30.1 | 346 12 3.0 -12.1 29 190 12264 350 35 6.1 -34.5 | 7 17 -1.9 -16.5 30 183 12497 350 35 6.1 -34.5 | 7 17 -1.9 -16.5 31 174 12802 315 31 21.9 -21.9 | 286 14 13.9 -4.0 32 158 13411 340 36 12.3 -33.8 | 345 16 4.3 -15.9 33 151 13716 345 24 6.2 -23.2 | 19 6 -1.8 -5.2 34 150 13740 315 22 15.6 -15.6 | 252 8 7.6 2.4 35 143 14021 310 23 17.6 -14.8 | 252 10 9.6 3.2 36 137 14326 335 28 11.8 -25.4 | 332 8 3.9 -7.4 37 130 14630 325 24 13.8 -19.7 | 286 6 5.8 -1.7 38 124 14935 345 28 7.2 -27.0 | 5 9 -0.7 -9.1 39 118 15240 335 30 12.7 -27.2 | 333 10 4.7 -9.2 40 113 15545 350 25 4.3 -24.6 | 29 8 -3.6 -6.7 41 107 15850 340 22 7.5 -20.7 | 9 3 -0.4 -2.7 42 102 16154 330 16 8.0 -13.9 | 180 4 0.0 4.1 43 100 16300 335 20 8.5 -18.1 | 288 1 0.5 -0.2 44 98 16459 335 20 8.5 -18.1 | 288 1 0.5 -0.2 45 93 16764 320 21 13.5 -16.1 | 251 6 5.5 1.9 46 89 17069 345 18 4.7 -17.4 | 100 3 -3.3 0.6 47 84 17374 335 19 8.0 -17.2 | 184 1 0.1 0.7 48 81 17678 355 15 1.3 -14.9 | 114 7 -6.7 3.0 49 77 17983 310 15 11.5 -9.6 | 203 9 3.5 8.3 50 73 18288 345 15 3.9 -14.5 | 130 5 -4.1 3.5 51 70 18570 345 13 3.4 -12.6 | 140 7 -4.6 5.4 52 70 18593 320 13 8.4 -10.0 | 183 8 0.4 8.0 53 67 18898 320 15 9.6 -11.5 | 194 7 1.7 6.5 54 63 19202 325 12 6.9 -9.8 | 172 8 -1.1 8.1 55 55 20117 360 21 -0.0 -21.0 | 69 9 -8.0 -3.0 56 52 20422 20 25 -8.6 -23.5 | 72 17 -16.5 -5.5 57 50 20720 20 14 -4.8 -13.2 | 111 14 -12.8 4.8 58 50 20726 35 15 -8.6 -12.3 | 109 18 -16.6 5.7 59 48 21031 20 14 -4.8 -13.2 | 111 14 -12.8 4.8 60 45 21336 335 11 4.6 -10.0 | 157 9 -3.3 8.0 61 43 21641 360 18 -0.0 -18.0 | 90 8 -8.0 -0.0 62 41 21946 10 13 -2.3 -12.8 | 117 11 -10.2 5.2 63 39 22250 60 13 -11.3 -6.5 | 121 22 -19.2 11.5 64 36 22860 150 1 -0.5 0.9 | 156 21 -8.5 18.8 65 30 24020 40 10 -6.4 -7.7 | 126 18 -14.4 10.3 66 30 24079 5 13 -1.1 -13.0 | 119 10 -9.1 5.0 67 28 24384 20 15 -5.1 -14.1 | 106 14 -13.1 3.9 68 25 25298 20 11 -3.8 -10.3 | 123 14 -11.7 7.6 69 24 25603 50 10 -7.7 -6.4 | 126 19 -15.6 11.5 70 21 26213 75 3 -2.9 -0.8 | 148 20 -10.9 17.2 71 21 26518 60 20 -17.3 -10.0 | 107 27 -25.3 8.0 72 20 26680 135 9 -6.4 6.4 | 149 28 -14.3 24.3 73 20 26822 105 10 -9.7 2.6 | 139 27 -17.6 20.6 74 18 27432 195 2 0.5 1.9 | 159 21 -7.5 19.9 75 17 27737 90 15 -15.0 0.0 | 128 29 -23.0 18.0 76 16 28042 80 10 -9.8 -1.7 | 132 24 -17.8 16.2 77 15 28651 95 10 -10.0 0.9 | 136 26 -17.9 18.8 78 14 28956 60 12 -10.4 -6.0 | 123 22 -18.4 12.0 79 14 29261 110 12 -11.3 4.1 | 139 29 -19.2 22.1 80 13 29566 85 13 -13.0 -1.1 | 129 27 -20.9 16.8 81 12 29870 75 12 -11.6 -3.1 | 127 25 -19.6 14.9 82 12 30175 100 14 -13.8 2.4 | 133 30 -21.8 20.4 83 10 31360 90 27 -27.0 0.0 | 117 39 -35.0 18.0 Wind Parameters Mean winds (0-6000m): 306.1 at 26.2 knts Storm direction: 336.1 at 19.7 knts Shear (0-3000m) pos: 4.3 neg: 0.0 tot: 4.3 10-3/s Storm rel Dir Shear (0-3000m): 98.5 deg Storm rel helicity (0-3000m) pos: 290.1 neg: -14.1 tot: 276.0 m^2/s^2 ave: 92.0 10^-3 m/s^2 rel: 0.62 Storm rel vorticity (0-3000m) horiz: 11.9 stream: 7.3 10^-3/s Energy-Hel index: 0.08 Bulk Rich Number: 1.90 Bulk Shear: 23.96 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 ------------------------------------------------------------------------------- 500 277 27 233 24| 32.8 0.0 32.8|215.2 0.0 215.2 430.4 0.96| 34.9 33.5 1000 280 33 244 27| 16.8 0.0 16.8|246.6 -0.5 246.2 246.2 0.90| 20.9 18.7 1500 284 33 247 26| 9.2 0.0 9.2|250.4 -6.8 243.6 162.4 0.73| 16.8 12.4 2000 287 32 250 24| 7.3 0.0 7.3|272.2 -7.0 265.2 132.6 0.72| 14.3 10.3 2500 291 32 253 23| 5.5 0.0 5.5|280.1 -7.6 272.5 109.0 0.69| 12.6 8.7 3000 295 31 256 21| 4.3 0.0 4.3|290.1 -14.1 276.0 92.0 0.62| 11.9 7.3 4000 299 29 257 18| 2.7 0.4 3.1|290.1 -33.1 257.0 64.2 0.44| 10.2 4.5 5000 303 27 257 15| 2.6 0.3 2.9|292.2 -34.1 258.1 51.6 0.37| 10.2 3.8 6000 306 26 259 13| 2.2 0.4 2.6|293.6 -37.6 256.0 42.7 0.34| 9.0 3.1 Wrote GIF file: /home/apache/climate/data/raob//CYAH/skewt/CYAH.skewt.20250528.12.gif