UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025060400.upa.cvt Date: 0000Z 4 JUN 25 Searching for CYAH... Searching the city database file for: CYAH ... Date:0000Z 4 JUN 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 20 SFC 968 306 17.6 10.6 64 7.0 13.4 230 12 293.5 295.0 287.9 317.3 8.31 2 925 686 14.6 9.9 73 4.7 11.8 235 30 294.2 295.7 288.1 318.1 8.30 3 850 1396 8.8 8.0 95 0.8 8.3 245 36 295.4 296.8 288.2 318.4 7.94 4 836 1533 7.8 7.7 99 0.1 7.8 245 37 295.7 297.1 288.3 318.7 7.91 5 821 1683 7.0 7.0 100 0.0 7.0 245 39 296.4 297.8 288.3 318.7 7.67 6 759 2325 3.8 1.9 87 1.9 2.8 248 42 299.7 300.7 287.7 316.9 5.79 7 756 2357 4.4 3.0 91 1.4 3.7 249 43 300.7 301.8 288.5 319.4 6.29 8 707 2903 3.8 -0.3 75 4.1 1.7 248 48 305.8 306.8 289.3 322.0 5.30 9 704 2938 3.6 -0.4 75 4.0 1.5 247 48 306.0 307.0 289.4 322.1 5.28 10 700 2984 3.4 -0.4 76 3.8 1.5 245 49 306.2 307.2 289.5 322.5 5.31 11 666 3386 0.6 -1.2 88 1.8 -0.3 240 48 307.5 308.5 289.9 323.7 5.27 12 648 3605 0.0 -6.0 64 6.0 -2.7 240 46 309.2 309.9 289.0 321.1 3.77 13 627 3868 -2.5 -7.5 68 5.0 -4.7 243 43 309.3 310.0 288.8 320.2 3.47 14 621 3944 -2.9 -12.9 46 10.0 -6.6 244 42 309.7 310.1 287.8 317.0 2.28 15 620 3957 -2.9 -9.9 58 7.0 -5.7 245 42 309.8 310.4 288.5 319.1 2.91 16 618 3983 -2.9 -13.9 42 11.0 -6.9 245 42 310.1 310.5 287.8 317.0 2.11 17 600 4216 -4.5 -16.5 39 12.0 -8.5 245 44 310.9 311.2 287.6 316.6 1.75 18 597 4256 -4.1 -34.1 8 30.0 -10.6 245 45 311.8 311.9 286.4 313.1 0.36 19 594 4296 -3.3 -45.3 2 42.0 -10.6 245 45 313.2 313.2 286.6 313.6 0.11 20 592 4322 -2.9 -44.9 2 42.0 -10.4 246 45 314.0 314.0 286.9 314.4 0.12 21 533 5147 -7.7 -19.7 38 12.0 -11.5 257 50 317.8 318.1 289.6 322.9 1.50 22 512 5458 -10.5 -21.5 40 11.0 -13.7 259 51 318.1 318.3 289.6 322.6 1.34 23 500 5640 -12.1 -19.1 56 7.0 -14.3 260 51 318.3 318.6 290.0 324.0 1.69 24 490 5795 -13.5 -18.5 66 5.0 -15.0 265 53 318.4 318.8 290.1 324.5 1.81 25 468 6144 -14.5 -15.8 90 1.3 -14.9 260 58 321.4 321.8 291.5 329.4 2.39 26 452 6408 -15.9 -18.4 81 2.5 -16.7 258 62 322.8 323.2 291.6 329.6 1.98 27 400 7320 -22.1 -24.2 83 2.1 -22.6 260 75 326.3 326.5 292.0 331.0 1.35 28 352 8246 -29.3 -29.6 97 0.3 -29.3 262 82 328.7 328.9 292.3 332.1 0.93 29 320 8920 -33.5 -34.3 92 0.8 -33.6 264 87 332.0 332.1 292.9 334.4 0.65 30 318 8964 -33.9 -37.2 72 3.3 -34.3 264 88 332.0 332.1 292.7 333.9 0.49 31 312 9097 -34.7 -37.5 76 2.8 -35.0 265 89 332.7 332.8 292.9 334.5 0.49 32 301 9347 -36.7 -41.6 60 4.9 -37.2 265 89 333.3 333.4 293.0 334.6 0.33 33 300 9370 -36.9 -41.3 64 4.4 -37.4 265 89 333.4 333.4 293.0 334.7 0.34 34 285 9722 -39.9 -42.3 78 2.4 -40.1 265 91 334.0 334.1 293.1 335.2 0.32 35 279 9866 -41.2 -43.9 75 2.7 -41.4 265 92 334.2 334.3 293.2 335.3 0.28 36 250 10600 -47.7 -52.0 61 4.3 -47.9 270 85 335.2 335.2 293.2 335.7 0.13 37 206 11845 -58.9 -63.9 52 5.0 -59.0 283 85 336.6 336.6 293.5 336.8 0.03 38 200 12030 -60.3 -65.3 52 5.0 -60.4 285 83 337.3 337.3 293.7 337.4 0.03 39 184 12546 -63.5 -65.5 76 2.0 -63.5 285 78 340.2 340.2 294.4 340.3 0.03 40 182 12613 -64.1 -67.2 66 3.1 -64.1 285 70 340.3 340.3 294.4 340.4 0.02 41 176 12819 -62.9 -73.9 21 11.0 -63.0 277 64 345.6 345.6 295.7 345.6 0.01 42 174 12889 -61.3 -76.3 12 15.0 -61.4 274 61 349.3 349.3 296.5 349.4 0.01 43 163 13296 -60.3 -78.3 8 18.0 -60.4 259 59 357.6 357.6 298.2 357.6 0.01 44 161 13372 -60.7 -78.7 8 18.0 -60.9 256 61 358.2 358.2 298.4 358.2 0.01 45 152 13735 -54.9 -79.9 3 25.0 -55.2 268 70 374.1 374.1 301.3 374.1 0.00 46 150 13820 -54.9 -79.9 3 25.0 -55.3 280 58 375.5 375.5 301.5 375.5 0.00 47 147 13949 -53.3 -79.3 3 26.0 -53.8 280 53 380.4 380.4 302.3 380.5 0.01 48 132 14634 -56.9 -82.9 2 26.0 -57.2 270 37 385.9 385.9 303.2 385.9 0.00 49 120 15239 -55.1 -84.1 2 29.0 -55.5 260 44 399.9 399.9 305.2 399.9 0.00 50 106 16023 -58.3 -85.3 2 27.0 -58.6 261 32 408.2 408.2 306.3 408.2 0.00 51 100 16390 -57.3 -86.3 1 29.0 -57.7 280 34 417.0 417.0 307.4 417.0 0.00 52 99 16454 -57.5 -86.5 1 29.0 -57.9 280 34 417.8 417.8 307.4 417.8 0.00 53 81 17728 -55.3 -87.3 1 32.0 -55.9 259 23 447.0 447.0 310.6 447.0 0.00 54 70 18660 -54.9 -86.9 1 32.0 -55.6 250 18 466.9 466.9 312.4 466.9 0.00 55 50 20820 -51.9 -86.9 1 35.0 -53.3 280 18 521.2 521.2 316.4 521.2 0.00 56 40 22271 -49.9 -86.9 1 37.0 -52.0 223 11 560.5 560.5 318.6 560.6 0.01 57 37 22779 -51.3 -87.3 1 36.0 -53.2 181 10 569.6 569.6 319.2 569.6 0.01 58 35 23141 -49.7 -87.7 0 38.0 -52.1 152 10 582.9 582.9 319.8 582.9 0.01 59 30 24150 -49.5 -87.5 0 38.0 -52.2 130 7 609.7 609.7 321.0 609.7 0.01 60 20 26840 -47.3 -86.3 0 39.0 -51.7 225 4 691.4 691.4 324.1 691.5 0.01 61 15 28761 -43.9 -83.9 0 40.0 -50.5 100 6 762.0 762.0 326.3 762.2 0.02 62 13 29721 -45.1 -85.1 0 40.0 -51.8 71 17 789.7 789.7 327.0 789.8 0.02 63 10 31500 -38.9 -80.9 0 42.0 -49.8 95 21 874.3 874.4 328.9 874.9 0.06 64 8.6 32545 -34.5 -77.5 0 43.0 -48.8 930.0 930.1 330.0 931.3 0.12 65 7.9 33136 -36.3 -79.3 0 43.0 -49.9 945.7 945.8 330.3 946.7 0.09 66 4.3 37489 -21.3 -69.3 0 48.0 -48.8 1196.7 1197.2 333.9 1208.4 0.79 TRP 182 12613 -64.1 -67.2 66 3.1 -64.1 285 70 340.3 340.3 294.4 340.4 0.02 WND 279 9866 -41.2 -43.9 75 2.7 -41.4 265 92 334.2 334.3 293.2 335.3 0.28 Sounding variables and indices 1000-500 mb thick: 5620.00 m Freezing level: 648.00 mb = 3605.44 m = 11828.74 ft Wetbulb zero: 671.76 mb = 3316.32 m = 10880.19 ft Precipitable water: 1.09 inches Sfc-500 mean rel hum: 64.92 % Est. max temperature: 20.66 C = 69.19 F Sfc-Lift cond lev (LCL): 872.04 mb = 1181.01 m = 3874.67 ft T: 10.56 C 700-500 lapse rate: 5.84 C/km ThetaE index: 1.85 C Layer 759.0- 756.0 mb Conv cond level (CCL): 844.53 mb = 1449.38 m = 4755.12 ft Mean mixing ratio: 8.22 g/kg Conv temperature: 19.62 C = 67.31 F Cap Strength: 6.34 C Lifted Index: 5.40 C Risk: None Lifted Index @300 mb: 11.30 C Lifted Index @700 mb: 3.79 C Showalter Index: 5.22 C Risk: None Total Totals Index: 41.00 C Risk: None Vertical Totals Index: 20.90 C Cross Totals Index: 20.10 C K Index: 25.10 Risk: 40-60 % chance of thunderstorms Sweat Index: 276.35 Risk: None Energy Index: 1.14 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 6.06 J/kg Max Up Vert Vel: 3.48 m/s Conv Inhibition (B-): 69114.42 J/kg Cap Strength: 6.22 C Lift Cond Lev (LCL): 859.17 mb = 1305.89 m = 4284.36 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 279 at 33 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 ---------------------------------------------------------- 0 968 306 230 12 9.2 7.7 | 119 27 -23.4 12.7 1 933 610 230 27 20.7 17.4 | 152 25 -11.9 22.3 2 925 686 235 30 24.6 17.2 | 160 24 -8.0 22.2 3 900 914 230 38 29.1 24.4 | 173 30 -3.5 29.4 4 868 1219 240 39 33.8 19.5 | 183 25 1.2 24.5 5 850 1396 245 36 32.6 15.2 | 180 20 0.0 20.2 6 806 1829 245 40 36.3 16.9 | 189 22 3.7 21.9 7 777 2134 245 37 33.5 15.6 | 183 21 0.9 20.6 8 748 2438 250 45 42.3 15.4 | 205 23 9.7 20.4 9 721 2743 255 45 43.5 11.6 | 213 20 10.9 16.6 10 700 2984 245 49 44.4 20.7 | 205 28 11.8 25.7 11 668 3353 240 48 41.6 24.0 | 197 30 9.0 29.0 12 643 3658 240 46 39.8 23.0 | 195 29 7.2 28.0 13 618 3962 245 42 38.1 17.7 | 194 23 5.5 22.7 14 595 4267 245 45 40.8 19.0 | 199 25 8.2 24.0 15 551 4877 255 49 47.3 12.7 | 220 23 14.7 17.7 16 500 5640 260 51 50.2 8.9 | 232 22 17.6 13.8 17 490 5791 265 53 52.8 4.6 | 245 22 20.2 9.6 18 471 6096 260 57 56.1 9.9 | 238 28 23.5 14.9 19 417 7010 255 73 70.5 18.9 | 238 45 37.9 23.9 20 400 7320 260 75 73.9 13.0 | 246 45 41.3 18.0 21 384 7620 260 78 76.8 13.5 | 247 48 44.2 18.5 22 310 9144 265 89 88.7 7.8 | 257 58 56.1 12.8 23 300 9370 265 89 88.7 7.8 | 257 58 56.1 12.8 24 279 9866 265 92 91.6 8.0 | 258 60 59.1 13.0 25 271 10058 265 92 91.6 8.0 | 258 60 59.1 13.0 26 250 10600 270 85 85.0 -0.0 | 265 53 52.4 5.0 27 247 10668 270 85 85.0 -0.0 | 265 53 52.4 5.0 28 225 11278 280 75 73.9 -13.0 | 281 42 41.3 -8.0 29 214 11582 280 88 86.7 -15.3 | 281 55 54.1 -10.3 30 200 12030 285 83 80.2 -21.5 | 289 50 47.6 -16.5 31 185 12497 285 84 81.1 -21.7 | 289 51 48.5 -16.7 32 182 12613 285 70 67.6 -18.1 | 291 37 35.0 -13.1 33 168 13106 265 55 54.8 4.8 | 246 24 22.2 9.8 34 160 13411 255 62 59.9 16.0 | 232 34 27.3 21.0 35 153 13716 265 73 72.7 6.4 | 254 42 40.1 11.4 36 150 13820 280 58 57.1 -10.1 | 282 25 24.5 -5.1 37 145 14021 280 50 49.2 -8.7 | 282 17 16.6 -3.7 38 132 14630 270 37 37.0 -0.0 | 221 7 4.4 5.0 39 126 14935 255 43 41.5 11.1 | 209 18 8.9 16.1 40 120 15240 260 44 43.3 7.6 | 220 17 10.7 12.6 41 109 15850 275 34 33.9 -3.0 | 212 2 1.3 2.0 42 104 16154 250 30 28.2 10.3 | 164 16 -4.4 15.3 43 100 16390 280 34 33.5 -5.9 | 316 1 0.9 -0.9 44 94 16764 280 34 33.5 -5.9 | 316 1 0.9 -0.9 45 90 17069 250 24 22.6 8.2 | 143 17 -10.0 13.2 46 82 17678 260 23 22.7 4.0 | 132 13 -9.9 9.0 47 74 18288 245 18 16.3 7.6 | 128 21 -16.3 12.6 48 71 18593 275 16 15.9 -1.4 | 102 17 -16.7 3.6 49 70 18660 250 18 16.9 6.2 | 125 19 -15.7 11.2 50 67 18898 245 15 13.6 6.3 | 121 22 -19.0 11.3 51 64 19202 250 10 9.4 3.4 | 110 25 -23.2 8.4 52 59 19812 230 13 10.0 8.4 | 121 26 -22.6 13.4 53 53 20422 230 10 7.7 6.4 | 115 27 -24.9 11.4 54 51 20726 220 12 7.7 9.2 | 120 29 -24.9 14.2 55 50 20820 280 18 17.7 -3.1 | 97 15 -14.9 1.9 56 48 21031 270 21 21.0 -0.0 | 113 13 -11.6 5.0 57 46 21336 290 8 7.5 -2.7 | 95 25 -25.1 2.3 58 44 21641 180 10 0.0 10.0 | 115 36 -32.6 15.0 59 40 22250 225 11 7.8 7.8 | 117 28 -24.8 12.8 60 35 23165 150 10 -5.0 8.7 | 110 40 -37.6 13.7 61 33 23470 200 10 3.4 9.4 | 116 33 -29.2 14.4 62 30 24150 130 7 -5.4 4.5 | 104 39 -38.0 9.5 63 26 24994 160 10 -3.4 9.4 | 112 39 -36.0 14.4 64 25 25298 165 10 -2.6 9.7 | 113 38 -35.2 14.7 65 24 25603 355 10 0.9 -10.0 | 81 32 -31.7 -5.0 66 23 25908 0 0 -0.0 -0.0 | 99 33 -32.6 5.0 67 21 26518 5 10 -0.9 -10.0 | 82 34 -33.5 -5.0 68 20 26822 30 14 -7.0 -12.1 | 80 40 -39.6 -7.1 69 20 26840 225 4 2.8 2.8 | 105 31 -29.8 7.8 70 18 27432 20 11 -3.8 -10.3 | 82 37 -36.4 -5.3 71 18 27737 55 14 -11.5 -8.0 | 86 44 -44.1 -3.0 72 16 28346 80 17 -16.7 -3.0 | 92 49 -49.3 2.0 73 15 28651 90 10 -10.0 0.0 | 97 43 -42.6 5.0 74 15 28956 115 1 -0.9 0.4 | 99 34 -33.5 5.4 75 14 29261 35 12 -6.9 -9.8 | 83 40 -39.5 -4.8 76 13 29566 60 18 -15.6 -9.0 | 85 48 -48.2 -4.0 77 13 29870 80 16 -15.8 -2.8 | 93 48 -48.3 2.2 78 12 30175 45 10 -7.1 -7.1 | 87 40 -39.7 -2.1 79 10 31500 95 21 -20.9 1.8 | 97 54 -53.5 6.8 Wind Parameters Mean winds (0-6000m): 248.7 at 44.0 knts Storm direction: 278.7 at 33.0 knts Shear (0-3000m) pos: 6.0 neg: 1.7 tot: 7.7 10-3/s Storm rel Dir Shear (0-3000m): 79.6 deg Storm rel helicity (0-3000m) pos: 272.5 neg: -62.9 tot: 209.6 m^2/s^2 ave: 69.9 10^-3 m/s^2 rel: 0.49 Storm rel vorticity (0-3000m) horiz: 11.7 stream: 5.7 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.09 Bulk Shear: 65.61 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 ------------------------------------------------------------------------------- 500 232 24 145 24| 22.9 0.0 22.9|143.9 0.0 143.9 287.9 0.94| 23.7 22.4 1000 234 31 162 24| 13.3 0.0 13.3|193.6 -1.4 192.1 192.1 0.79| 18.4 14.6 1500 238 33 169 23| 9.7 0.0 9.7|211.5 -4.4 207.1 138.1 0.75| 14.2 10.6 2000 240 35 173 22| 7.8 0.0 7.8|237.1 -16.6 220.6 110.3 0.69| 12.5 8.6 2500 243 37 180 22| 7.3 0.0 7.3|272.5 -19.3 253.2 101.3 0.68| 11.9 8.1 3000 243 39 185 22| 6.0 1.7 7.7|272.5 -62.9 209.6 69.9 0.49| 11.7 5.7 4000 243 40 188 23| 4.4 1.3 5.6|289.7 -79.5 210.2 52.5 0.43| 10.1 4.3 5000 245 42 194 23| 4.4 1.0 5.4|358.2 -79.5 278.7 55.7 0.50| 9.3 4.6 6000 249 44 202 23| 4.1 1.5 5.5|401.2 -98.5 302.7 50.4 0.46| 9.2 4.2 Wrote GIF file: /home/apache/climate/data/raob//CYAH/skewt/CYAH.skewt.20250604.00.gif