UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042200.upa.cvt Date: 0000Z 22 APR 25 Searching for CYAH... Searching the city database file for: CYAH ... Date:0000Z 22 APR 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 164 SFC 982 306 4.4 -8.6 38 13.0 -0.2 145 2 279.0 279.3 273.9 284.8 2.03 2 925 796 0.4 -11.6 40 12.0 -3.4 115 9 279.7 280.0 273.8 284.6 1.70 3 872 1265 -3.5 -12.5 50 9.0 -6.2 123 13 280.4 280.7 274.2 285.3 1.68 4 868 1302 -2.7 -15.7 36 13.0 -6.4 125 13 281.6 281.8 274.2 285.4 1.29 5 853 1440 -1.7 -7.7 64 6.0 -3.8 133 13 284.1 284.5 277.3 291.3 2.51 6 850 1468 -1.7 -7.7 64 6.0 -3.8 135 13 284.4 284.8 277.4 291.6 2.52 7 845 1515 -1.9 -7.9 63 6.0 -4.1 138 12 284.6 285.1 277.6 291.8 2.49 8 830 1657 -1.7 -8.7 59 7.0 -4.2 148 10 286.3 286.7 278.3 293.3 2.38 9 785 2098 -5.1 -11.1 63 6.0 -7.1 177 5 287.3 287.6 278.3 293.4 2.08 10 781 2138 -4.7 -29.7 12 25.0 -9.7 180 5 288.1 288.2 276.4 289.5 0.42 11 779 2158 -4.3 -44.3 3 40.0 -10.1 178 5 288.8 288.8 276.2 289.1 0.10 12 778 2168 -4.3 -43.3 3 39.0 -10.1 177 5 288.9 288.9 276.3 289.2 0.11 13 700 2993 -9.1 -41.1 5 32.0 -13.7 220 1 292.4 292.4 278.1 292.9 0.15 14 667 3365 -11.5 -42.5 6 31.0 -15.6 248 4 293.8 293.8 278.7 294.2 0.14 15 661 3434 -11.7 -23.7 36 12.0 -14.4 252 4 294.3 294.5 280.0 297.0 0.85 16 656 3493 -12.1 -23.1 39 11.0 -14.6 255 5 294.5 294.7 280.2 297.4 0.91 17 654 3516 -12.1 -26.1 30 14.0 -15.0 256 5 294.8 294.9 280.0 297.0 0.69 18 649 3575 -12.3 -21.3 47 9.0 -14.5 260 5 295.2 295.4 280.7 298.6 1.07 19 645 3622 -12.5 -22.5 43 10.0 -14.8 262 6 295.5 295.7 280.7 298.6 0.97 20 642 3658 -12.5 -38.5 9 26.0 -16.3 264 6 295.9 295.9 279.8 296.6 0.21 21 640 3681 -12.7 -33.7 15 21.0 -16.2 265 6 295.9 296.0 280.0 297.1 0.35 22 638 3705 -12.7 -22.7 43 10.0 -15.0 264 6 296.2 296.3 281.0 299.2 0.97 23 580 4428 -16.1 -32.1 24 16.0 -18.8 260 11 300.4 300.5 282.1 301.9 0.45 24 576 4481 -15.9 -47.9 5 32.0 -19.4 262 12 301.2 301.2 282.0 301.5 0.09 25 572 4533 -15.9 -25.9 42 10.0 -18.0 263 14 301.8 302.0 283.2 304.5 0.81 26 563 4653 -15.5 -38.5 12 23.0 -18.8 264 14 303.7 303.7 283.2 304.5 0.24 27 561 4680 -15.3 -35.3 16 20.0 -18.6 263 14 304.2 304.3 283.5 305.4 0.34 28 553 4788 -16.3 -20.8 68 4.5 -17.4 262 12 304.3 304.5 284.8 308.5 1.32 29 549 4843 -16.7 -20.0 76 3.3 -17.6 261 12 304.4 304.7 284.9 309.0 1.42 30 540 4967 -17.5 -23.5 59 6.0 -18.8 253 12 304.9 305.1 284.7 308.4 1.06 31 528 5135 -18.9 -23.9 65 5.0 -20.0 239 13 305.2 305.4 284.8 308.6 1.05 32 514 5335 -19.3 -21.5 83 2.2 -19.8 237 17 307.1 307.3 285.8 311.4 1.33 33 500 5540 -20.1 -22.7 80 2.6 -20.7 240 21 308.5 308.8 286.2 312.6 1.23 34 464 6092 -21.7 -24.4 79 2.7 -22.3 265 28 313.2 313.4 287.8 317.1 1.14 35 410 6993 -27.3 -30.1 77 2.8 -27.8 270 43 317.3 317.4 288.7 319.9 0.76 36 400 7170 -28.7 -31.4 77 2.7 -29.1 265 40 317.7 317.8 288.8 320.1 0.69 37 300 9160 -45.1 -48.5 69 3.4 -45.3 265 47 321.8 321.8 289.5 322.4 0.16 38 288 9431 -47.5 -51.5 63 4.0 -47.7 266 49 322.1 322.2 289.5 322.6 0.12 39 262 10049 -52.1 -57.1 55 5.0 -52.2 270 54 324.2 324.2 290.1 324.5 0.06 40 250 10350 -54.9 -58.9 61 4.0 -55.0 260 61 324.4 324.5 290.2 324.7 0.05 41 225 11014 -60.5 -63.8 65 3.3 -60.6 256 68 325.8 325.8 290.5 325.9 0.03 42 220 11153 -61.7 -65.1 63 3.4 -61.7 255 70 326.1 326.1 290.6 326.2 0.03 43 214 11323 -63.1 -66.7 62 3.6 -63.1 260 67 326.5 326.5 290.7 326.5 0.02 44 202 11679 -62.1 -71.1 29 9.0 -62.2 269 55 333.5 333.5 292.7 333.5 0.01 45 200 11740 -62.5 -72.5 25 10.0 -62.6 270 53 333.8 333.8 292.7 333.8 0.01 46 188 12120 -63.7 -74.7 21 11.0 -63.8 270 44 337.8 337.8 293.8 337.8 0.01 47 182 12320 -61.7 -77.7 10 16.0 -61.8 268 46 344.2 344.2 295.3 344.2 0.01 48 178 12459 -58.5 -76.5 8 18.0 -58.7 266 51 351.7 351.7 297.0 351.7 0.01 49 160 13124 -61.5 -84.5 3 23.0 -61.7 272 42 357.5 357.5 298.2 357.5 0.00 50 155 13323 -57.3 -84.3 2 27.0 -57.6 267 43 367.9 367.9 300.2 367.9 0.00 51 152 13446 -57.1 -84.1 2 27.0 -57.4 268 41 370.3 370.3 300.6 370.3 0.00 52 150 13530 -57.5 -84.5 2 27.0 -57.8 275 37 371.0 371.0 300.8 371.0 0.00 53 130 14433 -58.3 -85.3 2 27.0 -58.6 284 29 385.1 385.1 303.1 385.1 0.00 54 126 14630 -56.5 -85.5 1 29.0 -56.9 275 25 391.8 391.8 304.0 391.8 0.00 55 101 16046 -52.9 -84.9 1 32.0 -53.6 290 25 424.3 424.3 308.2 424.3 0.00 56 100 16110 -53.1 -85.1 1 32.0 -53.8 290 25 425.1 425.1 308.3 425.1 0.00 57 97 16306 -52.5 -84.5 1 32.0 -53.2 290 25 430.0 430.0 308.9 430.0 0.00 58 76 17873 -54.7 -86.7 1 32.0 -55.4 285 18 456.5 456.5 311.4 456.5 0.00 59 70 18400 -53.7 -85.7 1 32.0 -54.6 300 8 469.5 469.5 312.6 469.5 0.00 60 64 18977 -53.9 -85.9 1 32.0 -54.8 304 12 481.3 481.3 313.5 481.3 0.00 61 58 19615 -50.5 -85.5 1 35.0 -52.0 301 14 502.7 502.7 315.1 502.7 0.00 62 50 20580 -52.5 -86.5 1 34.0 -53.8 10 9 519.8 519.8 316.3 519.8 0.00 63 40 22018 -54.1 -87.1 1 33.0 -55.5 4 1 550.0 550.0 318.1 550.0 0.00 64 30 23870 -53.1 -87.1 1 34.0 -55.0 300 1 599.9 599.9 320.6 599.9 0.01 65 20 26500 -50.1 -86.1 1 36.0 -53.5 75 15 682.8 682.8 323.9 682.9 0.01 66 12 29855 -47.7 -85.7 0 38.0 -53.5 54 11 798.7 798.7 327.2 798.9 0.02 67 11 30428 -48.9 -84.9 1 36.0 -54.5 25 10 814.5 814.5 327.6 814.7 0.03 TRP 214 11323 -63.1 -66.7 62 3.6 -63.1 260 67 326.5 326.5 290.7 326.5 0.02 WND 220 11153 -61.7 -65.1 63 3.4 -61.7 255 70 326.1 326.1 290.6 326.2 0.03 Sounding variables and indices 1000-500 mb thick: 5376.00 m Freezing level: 919.56 mb = 844.13 m = 2769.44 ft Wetbulb zero: Below ground Precipitable water: 0.28 inches Sfc-500 mean rel hum: 37.42 % Est. max temperature: 11.45 C = 52.61 F Sfc-Lift cond lev (LCL): 802.49 mb = 1923.64 m = 6311.08 ft T: -3.76 C 700-500 lapse rate: 4.32 C/km ThetaE index: 4.32 C Layer 781.0- 778.0 mb Conv cond level (CCL): 539.53 mb = 4973.23 m = 16316.17 ft Mean mixing ratio: 1.79 g/kg Conv temperature: 30.20 C = 86.35 F Cap Strength: 19.15 C Lifted Index: 20.08 C Risk: None Lifted Index @300 mb: 26.25 C Lifted Index @700 mb: 10.10 C Showalter Index: 14.92 C Risk: None Total Totals Index: 30.80 C Risk: None Vertical Totals Index: 18.40 C Cross Totals Index: 12.40 C K Index: -21.30 Risk: None Sweat Index: 47.00 Risk: None Energy Index: 4.32 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 4.99 J/kg Max Up Vert Vel: 3.16 m/s Conv Inhibition (B-): 66760.09 J/kg Cap Strength: 19.76 C Lift Cond Lev (LCL): 774.63 mb = 2202.14 m = 7224.77 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 263 at 8 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 ---------------------------------------------------------- 0 982 306 145 2 -1.1 1.6 | 95 9 -9.2 0.7 1 946 610 130 9 -6.9 5.8 | 108 16 -14.9 4.9 2 925 796 115 9 -8.2 3.8 | 100 16 -16.2 2.9 3 911 914 115 9 -8.2 3.8 | 100 16 -16.2 2.9 4 877 1219 120 13 -11.3 6.5 | 106 20 -19.3 5.6 5 850 1468 135 13 -9.2 9.2 | 116 19 -17.2 8.3 6 812 1829 160 8 -2.7 7.5 | 122 13 -10.7 6.6 7 781 2134 180 5 0.0 5.0 | 117 9 -8.0 4.1 8 751 2438 150 3 -1.5 2.6 | 100 10 -9.5 1.7 9 723 2743 115 4 -3.6 1.7 | 94 12 -11.6 0.8 10 700 2993 220 1 0.6 0.8 | 89 7 -7.4 -0.1 11 695 3048 230 1 0.8 0.6 | 88 7 -7.2 -0.3 12 641 3658 265 6 6.0 0.5 | 79 2 -2.0 -0.4 13 592 4267 255 7 6.8 1.8 | 126 2 -1.2 0.9 14 568 4572 265 15 14.9 1.3 | 267 7 6.9 0.4 15 546 4877 260 11 10.8 1.9 | 251 3 2.8 1.0 16 524 5182 235 14 11.5 8.0 | 206 8 3.5 7.1 17 504 5486 240 21 18.2 10.5 | 227 14 10.2 9.6 18 500 5540 240 21 18.2 10.5 | 227 14 10.2 9.6 19 483 5791 265 26 25.9 2.3 | 266 18 17.9 1.4 20 463 6096 265 28 27.9 2.4 | 266 20 19.9 1.5 21 409 7010 270 43 43.0 -0.0 | 271 35 35.0 -0.9 22 400 7170 265 40 39.8 3.5 | 265 32 31.8 2.6 23 392 7315 265 37 36.9 3.2 | 265 29 28.9 2.3 24 375 7620 265 40 39.8 3.5 | 265 32 31.8 2.6 25 301 9144 265 48 47.8 4.2 | 265 40 39.8 3.3 26 300 9160 265 47 46.8 4.1 | 265 39 38.8 3.2 27 261 10058 270 54 54.0 -0.0 | 271 46 46.0 -0.9 28 250 10350 260 61 60.1 10.6 | 259 53 52.1 9.7 29 238 10668 260 62 61.1 10.8 | 259 54 53.1 9.9 30 220 11153 255 70 67.6 18.1 | 254 62 59.6 17.2 31 216 11278 255 70 67.6 18.1 | 254 62 59.6 17.2 32 214 11323 260 67 66.0 11.6 | 260 59 58.0 10.7 33 200 11740 270 53 53.0 -0.0 | 271 45 45.0 -0.9 34 186 12192 270 42 42.0 -0.0 | 272 34 34.0 -0.9 35 177 12497 265 52 51.8 4.5 | 265 44 43.8 3.6 36 169 12802 280 40 39.4 -6.9 | 284 32 31.4 -7.9 37 153 13411 265 43 42.8 3.7 | 265 35 34.8 2.8 38 150 13530 275 37 36.9 -3.2 | 278 29 28.9 -4.1 39 132 14326 290 32 30.1 -10.9 | 298 25 22.1 -11.9 40 126 14630 275 25 24.9 -2.2 | 280 17 16.9 -3.1 41 115 15240 285 28 27.0 -7.2 | 293 21 19.0 -8.2 42 100 16110 290 25 23.5 -8.6 | 301 18 15.5 -9.5 43 95 16459 290 25 23.5 -8.6 | 301 18 15.5 -9.5 44 90 16764 270 23 23.0 -0.0 | 273 15 15.0 -0.9 45 86 17069 275 22 21.9 -1.9 | 282 14 13.9 -2.8 46 82 17374 305 19 15.6 -10.9 | 327 14 7.6 -11.8 47 78 17678 280 21 20.7 -3.6 | 290 13 12.7 -4.6 48 70 18400 300 8 6.9 -4.0 | 12 5 -1.1 -4.9 49 68 18593 310 15 11.5 -9.6 | 342 11 3.5 -10.6 50 62 19202 300 11 9.5 -5.5 | 347 7 1.5 -6.4 51 59 19507 285 14 13.5 -3.6 | 309 7 5.5 -4.5 52 56 19812 330 14 7.0 -12.1 | 4 13 -1.0 -13.0 53 50 20580 10 9 -1.6 -8.9 | 44 14 -9.6 -9.8 54 44 21336 115 4 -3.6 1.7 | 94 12 -11.6 0.8 55 40 21946 0 0 -0.0 -0.0 | 83 8 -8.0 -0.9 56 35 22860 45 10 -7.1 -7.1 | 62 17 -15.1 -8.0 57 33 23165 80 15 -14.8 -2.6 | 81 23 -22.8 -3.5 58 32 23470 100 10 -9.8 1.7 | 93 18 -17.9 0.8 59 30 23870 300 1 0.9 -0.5 | 79 7 -7.1 -1.4 60 29 24079 0 0 -0.0 -0.0 | 83 8 -8.0 -0.9 61 24 25298 80 17 -16.7 -3.0 | 81 25 -24.7 -3.9 62 23 25603 95 16 -15.9 1.4 | 91 24 -23.9 0.5 63 22 25908 60 17 -14.7 -8.5 | 67 25 -22.7 -9.4 64 21 26213 70 18 -16.9 -6.2 | 74 26 -24.9 -7.1 65 20 26500 75 15 -14.5 -3.9 | 78 23 -22.5 -4.8 66 20 26518 55 14 -11.5 -8.0 | 65 21 -19.5 -8.9 67 16 27127 95 15 -14.9 1.3 | 91 23 -22.9 0.4 68 15 27432 85 16 -15.9 -1.4 | 84 24 -23.9 -2.3 69 13 27737 90 13 -13.0 0.0 | 88 21 -21.0 -0.9 70 11 28346 25 10 -4.2 -9.1 | 51 16 -12.2 -10.0 71 10 28651 45 13 -9.2 -9.2 | 60 20 -17.2 -10.1 72 9 28956 35 15 -8.6 -12.3 | 52 21 -16.6 -13.2 73 8 29261 70 16 -15.0 -5.5 | 75 24 -23.0 -6.4 74 7 29870 100 19 -18.7 3.3 | 95 27 -26.7 2.4 75 6 30175 155 11 -4.6 10.0 | 126 16 -12.7 9.1 Wind Parameters Mean winds (0-6000m): 233.5 at 10.7 knts Storm direction: 263.5 at 8.1 knts Shear (0-3000m) pos: 2.0 neg: 1.4 tot: 3.4 10-3/s Storm rel Dir Shear (0-3000m): 0.0 deg Storm rel helicity (0-3000m) pos: 45.1 neg: -24.2 tot: 20.8 m^2/s^2 ave: 6.9 10^-3 m/s^2 rel: 0.07 Storm rel vorticity (0-3000m) horiz: 6.7 stream: 0.5 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.18 Bulk Shear: 26.97 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 ------------------------------------------------------------------------------- 500 127 7 104 14| 0.0 7.5 7.5| 7.9 -9.4 -1.5 -3.1 0.04| 9.7 0.4 1000 122 9 104 16| 2.3 3.8 6.1| 23.2 -9.4 13.7 13.7 0.24| 7.5 1.8 1500 128 10 108 16| 2.2 2.5 4.7| 41.7 -9.4 32.3 21.5 0.32| 7.9 2.5 2000 135 9 110 15| 1.8 1.9 3.7| 41.7 -15.6 26.1 13.0 0.17| 7.4 1.3 2500 135 8 109 14| 1.4 1.6 3.1| 44.0 -21.3 22.7 9.1 0.11| 6.9 0.7 3000 137 7 108 13| 2.0 1.4 3.4| 45.1 -24.2 20.8 6.9 0.07| 6.7 0.5 4000 156 6 115 12| 2.0 0.9 2.8| 45.9 -24.7 21.2 5.3 0.10| 5.8 0.6 5000 199 8 140 8| 2.0 1.1 3.0| 51.4 -31.0 20.4 4.1 0.07| 6.6 0.5 6000 233 11 187 6| 3.2 0.9 4.1|105.6 -31.1 74.5 12.4 0.21| 7.3 1.6 Wrote GIF file: /home/apache/climate/data/raob//CYAH/skewt/CYAH.skewt.20250422.00.gif