UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025053012.upa.cvt Date: 1200Z 30 MAY 25 Searching for CYAH... Searching the city database file for: CYAH ... Date:1200Z 30 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 -12 SFC 961 306 2.0 -1.0 80 3.0 0.7 290 5 278.3 278.9 275.9 288.5 3.69 2 925 616 -1.3 -2.2 94 0.9 -1.7 285 14 278.0 278.6 275.5 287.7 3.51 3 878 1030 -3.9 -3.9 100 0.0 -3.9 278 13 279.5 280.0 275.9 288.6 3.26 4 875 1057 -3.9 -3.9 100 0.0 -3.9 278 13 279.7 280.3 276.1 288.9 3.27 5 850 1286 -3.1 -3.1 100 0.0 -3.1 270 12 282.9 283.5 278.2 293.0 3.58 6 835 1427 -1.7 -2.6 94 0.9 -2.1 260 16 285.8 286.5 279.8 296.6 3.78 7 785 1918 -2.9 -2.9 100 0.0 -2.9 231 27 289.6 290.3 281.8 301.0 3.93 8 775 2020 -1.1 -2.1 93 1.0 -1.6 233 26 292.6 293.4 283.4 305.0 4.23 9 735 2441 -3.1 -11.1 54 8.0 -5.9 245 22 294.9 295.3 282.0 301.7 2.23 10 717 2637 -3.3 -11.3 54 8.0 -6.1 242 21 296.8 297.2 282.8 303.6 2.25 11 715 2659 -3.3 -9.3 63 6.0 -5.5 241 21 297.0 297.5 283.4 305.0 2.64 12 707 2748 -3.7 -13.7 46 10.0 -7.0 241 21 297.5 297.9 282.7 303.3 1.88 13 700 2827 -4.1 -11.1 58 7.0 -6.6 250 21 297.9 298.4 283.4 305.1 2.34 14 687 2974 -4.9 -19.9 30 15.0 -9.1 249 21 298.7 298.9 282.3 302.3 1.15 15 673 3136 -6.5 -12.5 62 6.0 -8.5 248 20 298.6 299.0 283.5 305.3 2.17 16 615 3832 -12.1 -14.1 85 2.0 -12.7 247 20 300.0 300.4 284.0 306.5 2.09 17 611 3882 -12.1 -16.3 71 4.2 -13.3 248 21 300.5 300.9 283.8 306.0 1.75 18 566 4462 -16.5 -16.6 99 0.1 -16.5 252 25 302.0 302.4 284.5 307.8 1.84 19 542 4786 -18.5 -19.0 96 0.5 -18.6 260 25 303.4 303.7 284.7 308.4 1.57 20 536 4869 -19.5 -19.9 97 0.4 -19.6 264 25 303.2 303.4 284.5 307.9 1.47 21 520 5093 -22.3 -30.3 48 8.0 -23.6 272 25 302.4 302.5 283.2 304.4 0.59 22 516 5150 -22.1 -28.1 58 6.0 -23.2 274 25 303.3 303.5 283.7 305.8 0.73 23 507 5279 -23.5 -35.5 32 12.0 -25.1 273 25 303.2 303.2 283.2 304.4 0.37 24 500 5380 -24.3 -35.3 35 11.0 -25.8 270 26 303.4 303.5 283.3 304.7 0.38 25 492 5498 -25.1 -34.1 43 9.0 -26.3 269 28 303.8 303.9 283.5 305.3 0.43 26 487 5572 -25.3 -30.3 63 5.0 -26.1 268 30 304.5 304.6 284.0 306.6 0.63 27 484 5617 -25.3 -33.3 47 8.0 -26.4 267 31 305.0 305.1 284.0 306.6 0.48 28 461 5970 -28.1 -33.1 62 5.0 -28.7 271 33 305.8 305.9 284.4 307.5 0.51 29 442 6272 -30.1 -39.1 41 9.0 -31.0 276 32 307.0 307.0 284.5 308.0 0.29 30 440 6304 -30.1 -41.1 33 11.0 -31.2 276 32 307.4 307.4 284.7 308.2 0.24 31 438 6337 -29.9 -44.9 22 15.0 -31.2 276 32 308.0 308.1 284.8 308.6 0.16 32 419 6652 -31.5 -52.5 11 21.0 -32.9 278 30 309.9 309.9 285.4 310.2 0.07 33 400 6980 -34.1 -53.1 13 19.0 -35.2 280 28 310.7 310.7 285.7 310.9 0.07 34 344 8013 -42.7 -54.7 26 12.0 -43.2 282 34 312.7 312.7 286.4 312.9 0.07 35 331 8272 -42.9 -61.9 11 19.0 -43.5 284 35 315.9 315.9 287.4 316.0 0.03 36 315 8604 -44.3 -65.3 8 21.0 -44.9 285 30 318.4 318.4 288.2 318.5 0.02 37 300 8930 -44.5 -68.5 5 24.0 -45.1 275 27 322.6 322.6 289.6 322.7 0.01 38 250 10150 -45.1 -76.1 2 31.0 -45.7 255 29 339.0 339.0 294.1 339.0 0.00 39 239 10450 -45.9 -73.9 3 28.0 -46.5 262 28 342.2 342.2 294.8 342.2 0.01 40 232 10648 -44.3 -79.3 1 35.0 -45.1 278 27 347.6 347.6 296.1 347.6 0.00 41 217 11094 -45.3 -81.3 1 36.0 -46.0 296 22 352.7 352.7 297.2 352.7 0.00 42 200 11640 -43.7 -81.7 1 38.0 -44.6 285 19 363.6 363.6 299.4 363.6 0.00 43 198 11707 -43.5 -82.5 1 39.0 -44.5 285 19 364.9 364.9 299.7 364.9 0.00 44 174 12567 -47.3 -84.3 1 37.0 -48.0 292 16 372.4 372.4 301.0 372.4 0.00 45 163 13000 -45.9 -83.9 1 38.0 -46.8 288 18 381.8 381.8 302.5 381.8 0.00 46 150 13550 -47.5 -85.5 1 38.0 -48.3 300 20 388.2 388.2 303.5 388.2 0.00 47 147 13683 -48.3 -85.3 1 37.0 -49.1 304 21 389.1 389.1 303.6 389.1 0.00 48 140 14005 -48.1 -86.1 0 38.0 -49.0 314 21 394.9 394.9 304.5 394.9 0.00 49 125 14750 -49.5 -86.5 1 37.0 -50.3 292 10 405.4 405.4 305.9 405.4 0.00 50 119 15073 -48.3 -86.3 0 38.0 -49.3 293 12 413.3 413.3 306.9 413.3 0.00 51 100 16210 -51.7 -87.7 1 36.0 -52.5 330 16 427.8 427.8 308.6 427.8 0.00 52 78 17813 -52.9 -88.9 1 36.0 -53.8 316 12 456.9 456.9 311.5 456.9 0.00 53 76 17980 -51.9 -88.9 0 37.0 -52.9 330 14 462.3 462.4 312.0 462.4 0.00 54 72 18329 -53.3 -89.3 0 36.0 -54.2 339 12 466.6 466.6 312.4 466.6 0.00 55 70 18510 -52.5 -89.5 0 37.0 -53.5 335 10 472.1 472.1 312.8 472.1 0.00 56 68 18698 -51.9 -88.9 0 37.0 -53.0 328 11 477.3 477.3 313.2 477.3 0.00 57 61 19399 -53.7 -89.7 0 36.0 -54.7 344 14 488.4 488.4 314.1 488.4 0.00 58 50 20680 -52.5 -89.5 0 37.0 -53.8 360 12 519.8 519.8 316.3 519.8 0.00 59 43 21656 -52.7 -89.7 0 37.0 -54.2 26 10 542.2 542.2 317.6 542.2 0.00 60 34 23189 -48.3 -86.3 0 38.0 -51.0 54 10 591.4 591.4 320.2 591.5 0.01 61 30 24010 -50.3 -88.3 0 38.0 -52.8 20 3 607.5 607.5 320.9 607.5 0.01 62 24 25483 -44.3 -84.3 0 40.0 -49.1 28 7 665.0 665.0 323.3 665.1 0.01 63 20 26700 -45.7 -84.7 0 39.0 -50.6 80 11 696.3 696.3 324.3 696.4 0.02 64 19 27043 -46.1 -85.1 0 39.0 -51.0 80 8 705.3 705.3 324.6 705.5 0.01 65 13 29599 -42.3 -83.3 0 41.0 -50.3 85 22 799.4 799.4 327.3 799.6 0.03 66 12 30147 -37.9 -79.9 0 42.0 -48.4 115 19 833.5 833.5 328.0 834.0 0.06 67 10 31410 -36.7 -78.7 0 42.0 -48.8 150 9 882.5 882.6 329.1 883.4 0.08 68 7.8 33155 -30.1 -75.1 0 45.0 -47.7 974.0 974.1 330.8 976.2 0.18 69 6.0 35028 -28.7 -73.7 0 45.0 -48.8 1055.9 1056.1 332.1 1059.8 0.30 70 5.9 35148 -28.7 -73.7 0 45.0 -49.0 1061.0 1061.2 332.1 1064.9 0.30 TRP 315 8604 -44.3 -65.3 8 21.0 -44.9 285 30 318.4 318.4 288.2 318.5 0.02 WND Sounding variables and indices 1000-500 mb thick: 5392.00 m Freezing level: 939.18 mb = 493.88 m = 1620.32 ft Wetbulb zero: 950.17 mb = 398.04 m = 1305.90 ft Precipitable water: 0.50 inches Sfc-500 mean rel hum: 79.07 % Est. max temperature: 11.21 C = 52.17 F Sfc-Lift cond lev (LCL): 917.21 mb = 683.11 m = 2241.16 ft T: -1.72 C 700-500 lapse rate: 7.91 C/km ThetaE index: 3.32 C Layer 735.0- 717.0 mb Conv cond level (CCL): 896.36 mb = 865.55 m = 2839.71 ft Mean mixing ratio: 3.45 g/kg Conv temperature: 2.57 C = 36.62 F Cap Strength: 13.82 C Lifted Index: 13.12 C Risk: None Lifted Index @300 mb: 24.27 C Lifted Index @700 mb: 12.58 C Showalter Index: 9.66 C Risk: None Total Totals Index: 42.40 C Risk: None Vertical Totals Index: 21.20 C Cross Totals Index: 21.20 C K Index: 11.10 Risk: None Sweat Index: 50.00 Risk: None Energy Index: 2.55 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 10.95 J/kg Max Up Vert Vel: 4.68 m/s Conv Inhibition (B-): 91780.35 J/kg Cap Strength: 13.65 C Lift Cond Lev (LCL): 896.92 mb = 860.61 m = 2823.50 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 287 at 17 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 ---------------------------------------------------------- 0 961 306 290 5 4.7 -1.7 | 106 12 -11.3 3.2 1 926 610 285 14 13.5 -3.6 | 117 3 -2.5 1.3 2 925 616 285 14 13.5 -3.6 | 117 3 -2.5 1.3 3 891 914 280 13 12.8 -2.3 | 129 4 -3.2 2.6 4 857 1219 275 12 12.0 -1.0 | 134 6 -4.1 3.9 5 850 1286 270 12 12.0 -0.0 | 141 6 -4.0 4.9 6 794 1829 230 27 20.7 17.4 | 192 23 4.7 22.3 7 764 2134 235 26 21.3 14.9 | 195 21 5.3 19.8 8 735 2438 245 22 19.9 9.3 | 195 15 3.9 14.2 9 707 2743 240 21 18.2 10.5 | 188 16 2.2 15.4 10 700 2827 250 21 19.7 7.2 | 197 13 3.7 12.1 11 627 3658 245 19 17.2 8.0 | 185 13 1.2 12.9 12 579 4267 255 24 23.2 6.2 | 213 13 7.2 11.1 13 556 4572 250 26 24.4 8.9 | 211 16 8.4 13.8 14 534 4877 265 25 24.9 2.2 | 231 11 8.9 7.1 15 513 5182 275 25 24.9 -2.2 | 253 9 8.9 2.7 16 500 5380 270 26 26.0 -0.0 | 244 11 10.0 4.9 17 472 5791 265 34 33.9 3.0 | 246 20 17.9 7.9 18 452 6096 275 33 32.9 -2.9 | 263 17 16.9 2.0 19 400 6980 280 28 27.6 -4.9 | 270 12 11.6 0.0 20 398 7010 285 27 26.1 -7.0 | 282 10 10.1 -2.1 21 364 7620 280 33 32.5 -5.7 | 273 17 16.5 -0.8 22 318 8534 285 36 34.8 -9.3 | 283 19 18.8 -4.4 23 315 8604 285 30 29.0 -7.8 | 282 13 13.0 -2.9 24 300 8930 275 27 26.9 -2.4 | 257 11 10.9 2.6 25 291 9144 275 27 26.9 -2.4 | 257 11 10.9 2.6 26 250 10150 255 29 28.0 7.5 | 224 17 12.0 12.4 27 242 10363 255 28 27.0 7.2 | 222 16 11.0 12.2 28 231 10668 280 27 26.6 -4.7 | 269 11 10.6 0.2 29 221 10973 295 22 19.9 -9.3 | 318 6 3.9 -4.4 30 202 11582 300 23 19.9 -11.5 | 329 8 3.9 -6.6 31 200 11640 285 19 18.4 -4.9 | 270 2 2.3 -0.0 32 193 11887 285 19 18.4 -4.9 | 270 2 2.3 -0.0 33 184 12192 295 14 12.7 -5.9 | 73 3 -3.3 -1.0 34 153 13411 285 20 19.3 -5.2 | 275 3 3.3 -0.3 35 150 13550 300 20 17.3 -10.0 | 346 5 1.3 -5.1 36 146 13716 305 21 17.2 -12.0 | 351 7 1.2 -7.1 37 133 14326 325 21 12.0 -17.2 | 18 13 -4.0 -12.3 38 127 14630 300 8 6.9 -4.0 | 96 9 -9.1 0.9 39 121 14935 280 12 11.8 -2.1 | 124 5 -4.2 2.8 40 116 15240 310 13 10.0 -8.4 | 60 7 -6.1 -3.5 41 111 15545 280 18 17.7 -3.1 | 224 2 1.7 1.8 42 106 15850 310 17 13.0 -10.9 | 26 7 -3.0 -6.0 43 100 16210 330 16 8.0 -13.9 | 42 12 -8.0 -9.0 44 96 16459 340 15 5.1 -14.1 | 50 14 -10.9 -9.2 45 92 16764 315 11 7.8 -7.8 | 71 9 -8.2 -2.9 46 88 17069 345 10 2.6 -9.7 | 70 14 -13.4 -4.8 47 83 17374 330 10 5.0 -8.7 | 71 12 -11.0 -3.8 48 80 17678 305 10 8.2 -5.7 | 84 8 -7.8 -0.8 49 76 17983 330 14 7.0 -12.1 | 51 12 -9.0 -7.2 50 72 18288 340 12 4.1 -11.3 | 62 14 -11.9 -6.4 51 70 18510 335 10 4.2 -9.1 | 71 12 -11.8 -4.2 52 69 18593 325 11 6.3 -9.0 | 67 11 -9.7 -4.1 53 66 18898 335 10 4.2 -9.1 | 71 12 -11.8 -4.2 54 63 19202 315 10 7.1 -7.1 | 76 9 -8.9 -2.2 55 60 19507 360 16 -0.0 -16.0 | 55 19 -16.0 -11.1 56 57 19812 340 10 3.4 -9.4 | 70 13 -12.6 -4.5 57 52 20422 5 16 -1.4 -15.9 | 58 21 -17.4 -11.0 58 50 20680 360 12 -0.0 -12.0 | 66 18 -16.0 -7.1 59 47 21031 350 11 1.9 -10.8 | 67 15 -14.1 -5.9 60 45 21336 50 9 -6.9 -5.8 | 88 23 -22.9 -0.9 61 41 21946 5 10 -0.9 -10.0 | 73 18 -16.9 -5.1 62 39 22250 70 14 -13.2 -4.8 | 90 29 -29.2 0.1 63 38 22555 75 10 -9.7 -2.6 | 95 26 -25.7 2.3 64 36 22860 40 10 -6.4 -7.7 | 83 23 -22.4 -2.8 65 33 23470 65 10 -9.1 -4.2 | 92 25 -25.1 0.7 66 30 24010 20 3 -1.0 -2.8 | 97 17 -17.0 2.1 67 30 24079 80 10 -9.8 -1.7 | 97 26 -25.9 3.2 68 28 24384 50 3 -2.3 -1.9 | 99 19 -18.3 3.0 69 27 24689 35 10 -5.7 -8.2 | 81 22 -21.7 -3.3 70 26 24994 20 10 -3.4 -9.4 | 77 20 -19.4 -4.5 71 24 25603 30 6 -3.0 -5.2 | 89 19 -19.0 -0.3 72 23 25908 60 19 -16.5 -9.5 | 82 33 -32.5 -4.6 73 22 26213 85 23 -22.9 -2.0 | 94 39 -38.9 2.9 74 21 26518 130 10 -7.7 6.4 | 116 26 -23.7 11.3 75 20 26700 80 11 -10.8 -1.9 | 96 27 -26.8 3.0 76 20 26822 95 3 -3.0 0.3 | 105 20 -19.0 5.2 77 19 27127 75 10 -9.7 -2.6 | 95 26 -25.7 2.3 78 18 27432 120 14 -12.1 7.0 | 113 31 -28.1 11.9 79 16 28042 125 10 -8.2 5.7 | 114 26 -24.2 10.6 80 15 28651 65 12 -10.9 -5.1 | 90 27 -26.9 -0.2 81 14 29261 70 17 -16.0 -5.8 | 88 32 -32.0 -0.9 82 13 29870 95 25 -24.9 2.2 | 100 42 -40.9 7.1 83 12 30175 115 19 -17.2 8.0 | 111 36 -33.2 12.9 84 10 31410 150 9 -4.5 7.8 | 122 24 -20.5 12.7 Wind Parameters Mean winds (0-6000m): 257.0 at 22.3 knts Storm direction: 287.0 at 16.7 knts Shear (0-3000m) pos: 1.4 neg: 4.0 tot: 5.4 10-3/s Storm rel Dir Shear (0-3000m): 84.4 deg Storm rel helicity (0-3000m) pos: 32.2 neg: -14.4 tot: 17.9 m^2/s^2 ave: 6.0 10^-3 m/s^2 rel: 0.20 Storm rel vorticity (0-3000m) horiz: 7.9 stream: 1.6 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.45 Bulk Shear: 24.17 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 ------------------------------------------------------------------------------- 500 285 11 111 6| 0.0 8.7 8.7| 1.6 0.0 1.6 3.2 0.15| 10.2 1.5 1000 281 12 121 5| 0.0 4.2 4.2| 4.3 0.0 4.3 4.3 0.25| 6.9 1.7 1500 264 14 165 7| 0.0 8.3 8.3| 19.0 -2.7 16.2 10.8 0.30| 11.0 3.3 2000 252 17 183 10| 1.2 6.2 7.4| 25.7 -2.7 23.0 11.5 0.28| 9.7 2.8 2500 250 18 185 11| 1.7 5.0 6.7| 31.2 -10.1 21.2 8.5 0.23| 9.1 2.1 3000 250 19 187 11| 1.4 4.0 5.4| 32.2 -14.4 17.9 6.0 0.20| 7.9 1.6 4000 249 19 190 12| 1.3 3.0 4.3| 53.1 -17.6 35.5 8.9 0.27| 6.9 1.9 5000 253 20 198 12| 1.8 2.4 4.2| 79.7 -20.6 59.1 11.8 0.32| 6.9 2.2 6000 257 22 210 11| 2.0 2.7 4.7|108.8 -22.2 86.6 14.4 0.33| 7.1 2.4 Wrote GIF file: /home/apache/climate/data/raob//CYAH/skewt/CYAH.skewt.20250530.12.gif