UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101812.upa.cvt Date: 1200Z 18 OCT 25 Searching for CYAH... Searching the city database file for: CYAH ... Date:1200Z 18 OCT 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 59 SFC 971 306 5.8 0.8 70 5.0 3.5 170 8 281.3 282.0 278.1 292.9 4.17 2 925 696 2.6 -0.8 78 3.4 1.1 175 37 282.0 282.6 278.1 292.9 3.90 3 900 917 1.2 -2.2 78 3.4 -0.2 185 40 282.7 283.4 278.1 292.9 3.61 4 889 1016 2.6 -3.4 65 6.0 0.1 187 40 285.2 285.8 279.0 294.8 3.34 5 869 1200 1.6 -3.4 69 5.0 -0.5 190 41 286.0 286.6 279.4 295.8 3.42 6 864 1246 2.0 -9.0 44 11.0 -2.0 190 41 286.9 287.3 278.4 293.5 2.24 7 851 1368 2.8 -12.2 32 15.0 -2.4 190 41 289.0 289.3 278.7 294.2 1.76 8 850 1378 2.6 -12.4 32 15.0 -2.5 190 41 288.9 289.2 278.6 294.1 1.73 9 816 1709 4.0 -24.0 11 28.0 -3.6 194 31 293.7 293.9 279.5 295.9 0.67 10 809 1779 4.6 -10.4 33 15.0 -1.1 192 29 295.1 295.5 282.0 301.6 2.14 11 800 1870 4.0 -6.0 48 10.0 -0.2 189 27 295.4 296.0 283.2 304.6 3.05 12 795 1921 3.4 -6.6 48 10.0 -0.7 189 28 295.3 295.8 283.0 304.1 2.93 13 777 2106 1.8 -2.9 71 4.7 -0.3 186 31 295.5 296.2 284.3 307.3 3.97 14 720 2715 -3.5 -4.2 95 0.7 -3.8 185 33 296.2 296.9 284.5 307.8 3.89 15 700 2937 -4.1 -4.3 99 0.2 -4.2 185 33 297.9 298.7 285.2 309.8 3.97 16 695 2993 -4.3 -4.4 99 0.1 -4.4 188 33 298.3 299.1 285.4 310.2 3.97 17 689 3062 -2.9 -3.3 97 0.4 -3.1 191 34 300.6 301.4 286.6 313.8 4.35 18 612 3997 -4.7 -5.0 98 0.3 -4.8 236 43 308.9 309.7 289.5 322.4 4.31 19 500 5560 -13.9 -14.4 96 0.5 -14.1 260 41 316.1 316.6 290.0 324.3 2.51 20 432 6657 -21.5 -22.6 91 1.1 -21.8 264 36 319.9 320.2 290.2 324.8 1.44 21 422 6829 -23.1 -25.8 78 2.7 -23.7 263 36 320.0 320.2 289.9 323.9 1.11 22 400 7220 -26.1 -28.0 84 1.9 -26.5 255 37 321.1 321.3 290.1 324.4 0.95 23 392 7366 -27.3 -28.8 87 1.5 -27.6 250 35 321.4 321.5 290.1 324.5 0.90 24 383 7533 -28.3 -32.1 70 3.8 -28.9 244 33 322.2 322.3 290.2 324.6 0.68 25 352 8132 -33.7 -39.7 55 6.0 -34.3 256 32 322.8 322.8 290.0 324.1 0.34 26 350 8171 -33.9 -38.0 66 4.1 -34.4 257 32 323.0 323.1 290.2 324.5 0.41 27 344 8292 -35.3 -42.3 49 7.0 -36.0 260 32 322.7 322.8 289.9 323.7 0.27 28 337 8435 -36.3 -41.3 60 5.0 -36.8 259 33 323.3 323.3 290.1 324.4 0.30 29 333 8518 -37.1 -45.1 43 8.0 -37.7 259 34 323.3 323.3 290.0 324.1 0.21 30 309 9030 -41.9 -46.9 58 5.0 -42.2 256 38 323.6 323.6 290.0 324.3 0.18 31 302 9185 -42.1 -51.1 37 9.0 -42.6 255 39 325.4 325.4 290.5 325.9 0.12 32 300 9230 -42.5 -51.5 37 9.0 -43.0 255 40 325.5 325.5 290.5 325.9 0.11 33 278 9742 -46.1 -54.1 40 8.0 -46.4 255 39 327.4 327.5 291.1 327.8 0.09 34 250 10440 -52.5 -54.7 77 2.2 -52.6 255 38 328.0 328.0 291.3 328.4 0.09 35 240 10702 -54.9 -56.5 82 1.6 -54.9 257 39 328.3 328.3 291.3 328.6 0.08 36 230 10973 -56.5 -61.3 55 4.8 -56.6 270 40 329.8 329.8 291.7 330.0 0.04 37 228 11029 -56.3 -64.3 36 8.0 -56.4 270 40 331.0 331.0 292.0 331.1 0.03 38 222 11198 -56.7 -65.7 31 9.0 -56.8 270 41 332.9 332.9 292.5 333.0 0.03 39 220 11255 -56.9 -65.9 31 9.0 -57.1 270 42 333.4 333.4 292.7 333.5 0.02 40 200 11860 -56.3 -71.3 14 15.0 -56.5 275 32 343.6 343.6 295.2 343.7 0.01 41 195 12020 -56.5 -72.5 12 16.0 -56.7 273 37 345.8 345.8 295.7 345.8 0.01 42 190 12185 -54.9 -73.9 8 19.0 -55.2 265 36 350.9 350.9 296.8 351.0 0.01 43 150 13680 -57.9 -78.9 5 21.0 -58.2 290 34 370.3 370.3 300.6 370.3 0.01 44 148 13765 -57.5 -78.5 5 21.0 -57.8 303 28 372.4 372.4 301.0 372.5 0.01 45 133 14433 -60.9 -80.9 5 20.0 -61.1 290 28 377.9 377.9 301.9 378.0 0.00 46 124 14869 -59.5 -81.5 4 22.0 -59.7 303 23 388.1 388.1 303.5 388.2 0.00 47 114 15392 -61.5 -82.5 5 21.0 -61.7 291 29 393.9 393.9 304.3 393.9 0.00 48 103 16024 -58.5 -82.5 3 24.0 -58.9 300 21 411.2 411.2 306.7 411.2 0.00 49 102 16085 -59.1 -83.1 3 24.0 -59.4 307 20 411.2 411.2 306.7 411.2 0.00 50 101 16147 -57.7 -82.7 3 25.0 -58.1 314 20 415.1 415.1 307.2 415.1 0.00 51 100 16210 -57.7 -82.7 3 25.0 -58.1 285 14 416.2 416.2 307.3 416.3 0.00 52 99 16274 -56.7 -81.7 3 25.0 -57.1 280 15 419.4 419.4 307.6 419.4 0.01 53 87 17086 -61.7 -84.7 3 23.0 -62.0 275 21 425.1 425.1 308.3 425.1 0.00 54 72 18256 -63.3 -87.3 2 24.0 -63.6 293 14 445.4 445.4 310.4 445.4 0.00 55 70 18430 -61.5 -86.5 2 25.0 -61.9 325 8 452.8 452.8 311.1 452.8 0.00 56 57 19709 -58.5 -86.5 2 28.0 -59.1 292 11 487.0 487.0 314.0 487.0 0.00 57 50 20530 -58.7 -86.7 2 28.0 -59.4 310 17 505.2 505.2 315.3 505.2 0.00 58 44 21326 -62.1 -89.1 2 27.0 -62.6 334 9 515.7 515.7 316.0 515.7 0.00 59 39 22076 -59.9 -87.9 1 28.0 -60.6 304 14 539.3 539.3 317.5 539.3 0.00 60 30 23710 -61.1 -89.1 1 28.0 -61.9 270 25 578.1 578.1 319.6 578.1 0.00 61 21 25910 -62.9 -89.9 1 27.0 -63.8 255 20 634.7 634.7 322.1 634.8 0.01 62 20 26210 -62.7 -89.7 1 27.0 -63.7 260 31 644.2 644.3 322.4 644.3 0.01 63 17 27217 -60.7 -88.7 1 28.0 -62.1 277 34 681.3 681.3 323.8 681.4 0.01 64 16 27592 -62.7 -89.7 1 27.0 -63.8 274 32 686.7 686.7 324.0 686.8 0.01 65 13 28888 -57.7 -87.7 1 30.0 -60.1 244 47 746.0 746.0 325.8 746.1 0.01 66 11 29934 -60.9 -88.9 1 28.0 -62.9 236 43 770.9 770.9 326.5 771.0 0.01 67 10 30530 -58.7 -88.7 1 30.0 -61.3 260 61 800.4 800.4 327.3 800.6 0.01 68 9.3 30989 -55.7 -86.7 1 31.0 -59.3 828.7 828.7 327.9 828.9 0.02 69 8.6 31486 -56.9 -86.9 1 30.0 -60.3 842.7 842.7 328.2 842.9 0.02 70 7.0 32802 -52.9 -85.9 1 33.0 -58.4 910.4 910.4 329.6 910.7 0.03 71 6.6 33179 -55.5 -86.5 1 31.0 -60.2 914.9 914.9 329.7 915.2 0.03 72 6.0 33790 -53.6 -85.9 1 32.3 -59.3 250 91 948.4 948.5 330.3 948.8 0.04 73 5.3 34592 -51.1 -85.1 1 34.0 -58.4 993.8 993.9 331.1 994.4 0.05 74 5.0 34970 -51.7 -84.7 1 33.0 -58.9 1007.8 1007.8 331.3 1008.5 0.06 TRP 230 10973 -56.5 -61.3 55 4.8 -56.6 270 40 329.8 329.8 291.7 330.0 0.04 WND 6.0 33790 -53.6 -85.9 1 32.3 -59.3 250 91 948.4 948.5 330.3 948.8 0.04 Sounding variables and indices 1000-500 mb thick: 5501.00 m Freezing level: 757.64 mb = 2312.77 m = 7587.74 ft Wetbulb zero: 903.98 mb = 881.29 m = 2891.35 ft Precipitable water: 0.74 inches Sfc-500 mean rel hum: 81.34 % Est. max temperature: 17.41 C = 63.33 F Sfc-Lift cond lev (LCL): 899.12 mb = 924.74 m = 3033.90 ft T: 1.31 C 700-500 lapse rate: 3.74 C/km ThetaE index: 2.36 C Layer 864.0- 851.0 mb Conv cond level (CCL): 574.81 mb = 4482.00 m = 14704.54 ft Mean mixing ratio: 3.78 g/kg Conv temperature: 35.41 C = 95.74 F Cap Strength: 16.49 C Lifted Index: 19.77 C Risk: None Lifted Index @300 mb: 22.75 C Lifted Index @700 mb: 9.27 C Showalter Index: 19.30 C Risk: None Total Totals Index: 18.00 C Risk: None Vertical Totals Index: 16.50 C Cross Totals Index: 1.50 C K Index: 3.90 Risk: None Sweat Index: 265.46 Risk: None Energy Index: 6.26 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 19.63 J/kg Max Up Vert Vel: 6.27 m/s Conv Inhibition (B-): 67314.53 J/kg Cap Strength: 19.76 C Lift Cond Lev (LCL): 860.52 mb = 1278.62 m = 4194.88 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 251 at 27 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 ---------------------------------------------------------- 0 971 306 170 8 -1.4 7.9 | 88 27 -27.3 -0.8 1 935 610 165 30 -7.8 29.0 | 121 39 -33.6 20.3 2 925 696 175 37 -3.2 36.9 | 134 40 -29.1 28.1 3 900 914 185 40 3.5 39.8 | 144 38 -22.4 31.1 4 867 1219 190 41 7.1 40.4 | 149 37 -18.8 31.7 5 850 1378 190 41 7.1 40.4 | 149 37 -18.8 31.7 6 835 1524 200 36 12.3 33.8 | 152 29 -13.6 25.1 7 804 1829 190 27 4.7 26.6 | 130 28 -21.2 17.9 8 774 2134 185 31 2.7 30.9 | 134 32 -23.2 22.2 9 745 2438 185 31 2.7 30.9 | 134 32 -23.2 22.2 10 717 2743 185 33 2.9 32.9 | 136 33 -23.0 24.2 11 700 2937 185 33 2.9 32.9 | 136 33 -23.0 24.2 12 638 3658 220 38 24.4 29.1 | 176 20 -1.5 20.4 13 614 3962 235 43 35.2 24.7 | 210 18 9.3 15.9 14 590 4267 245 38 34.4 16.1 | 229 11 8.6 7.3 15 546 4877 265 42 41.8 3.7 | 288 17 16.0 -5.1 16 500 5560 260 41 40.4 7.1 | 276 15 14.5 -1.6 17 465 6096 255 39 37.7 10.1 | 263 12 11.8 1.4 18 429 6706 265 36 35.9 3.1 | 299 11 10.0 -5.6 19 400 7220 255 37 35.7 9.6 | 265 10 9.9 0.9 20 378 7620 240 32 27.7 16.0 | 194 8 1.8 7.3 21 346 8230 260 32 31.5 5.6 | 299 6 5.6 -3.2 22 304 9144 255 39 37.7 10.1 | 263 12 11.8 1.4 23 300 9230 255 40 38.6 10.4 | 263 13 12.8 1.6 24 250 10440 255 38 36.7 9.8 | 264 11 10.8 1.1 25 241 10668 255 39 37.7 10.1 | 263 12 11.8 1.4 26 230 10973 270 40 40.0 -0.0 | 302 17 14.1 -8.7 27 230 10973 270 40 40.0 -0.0 | 302 17 14.1 -8.7 28 209 11582 270 44 44.0 -0.0 | 296 20 18.1 -8.7 29 200 11860 275 32 31.9 -2.8 | 332 13 6.0 -11.5 30 199 11887 280 38 37.4 -6.6 | 323 19 11.5 -15.3 31 190 12192 265 36 35.9 3.1 | 299 11 10.0 -5.6 32 157 13411 285 33 31.9 -8.5 | 341 18 6.0 -17.3 33 150 13680 290 34 31.9 -11.6 | 343 21 6.1 -20.4 34 149 13716 305 27 22.1 -15.5 | 9 25 -3.8 -24.2 35 142 14021 290 33 31.0 -11.3 | 346 21 5.1 -20.0 36 135 14326 295 29 26.3 -12.3 | 359 21 0.4 -21.0 37 129 14630 280 25 24.6 -4.3 | 6 13 -1.3 -13.1 38 123 14935 310 23 17.6 -14.8 | 19 25 -8.3 -23.5 39 117 15240 295 32 29.0 -13.5 | 352 22 3.1 -22.2 40 106 15850 280 22 21.7 -3.8 | 19 13 -4.2 -12.5 41 101 16154 315 20 14.1 -14.1 | 27 26 -11.7 -22.9 42 100 16210 285 14 13.5 -3.6 | 45 17 -12.4 -12.3 43 96 16459 265 17 16.9 1.5 | 51 12 -8.9 -7.2 44 87 17069 275 21 20.9 -1.8 | 25 12 -5.0 -10.6 45 83 17374 285 23 22.2 -6.0 | 14 15 -3.7 -14.7 46 79 17678 335 14 5.9 -12.7 | 43 29 -20.0 -21.4 47 75 17983 320 13 8.4 -10.0 | 43 26 -17.5 -18.7 48 72 18288 290 14 13.2 -4.8 | 43 19 -12.7 -13.5 49 70 18430 325 8 4.6 -6.6 | 54 26 -21.3 -15.3 50 68 18593 320 20 12.9 -15.3 | 28 27 -13.0 -24.0 51 65 18898 285 12 11.6 -3.1 | 50 19 -14.3 -11.8 52 62 19202 275 14 13.9 -1.2 | 50 16 -11.9 -9.9 53 56 19812 295 10 9.1 -4.2 | 52 21 -16.8 -12.9 54 53 20117 255 4 3.9 1.0 | 71 23 -22.0 -7.7 55 51 20422 285 17 16.4 -4.4 | 36 16 -9.5 -13.1 56 50 20530 310 17 13.0 -10.9 | 33 23 -12.9 -19.6 57 46 21031 320 21 13.5 -16.1 | 27 28 -12.4 -24.8 58 44 21336 335 9 3.8 -8.2 | 53 28 -22.1 -16.9 59 42 21641 275 14 13.9 -1.2 | 50 16 -11.9 -9.9 60 40 21946 345 11 2.8 -10.6 | 50 30 -23.0 -19.3 61 38 22250 250 18 16.9 6.2 | 74 9 -9.0 -2.6 62 36 22555 265 16 15.9 1.4 | 54 12 -9.9 -7.3 63 33 23165 265 20 19.9 1.7 | 40 9 -6.0 -7.0 64 31 23470 240 19 16.5 9.5 | 95 9 -9.4 0.8 65 30 23710 270 25 25.0 -0.0 | 6 9 -0.9 -8.7 66 28 24079 270 25 25.0 -0.0 | 6 9 -0.9 -8.7 67 27 24384 260 23 22.7 4.0 | 34 6 -3.2 -4.7 68 26 24689 300 22 19.1 -11.0 | 19 21 -6.8 -19.7 69 24 24994 265 18 17.9 1.6 | 48 11 -8.0 -7.2 70 23 25298 280 13 12.8 -2.3 | 50 17 -13.1 -11.0 71 22 25603 280 16 15.8 -2.8 | 41 15 -10.1 -11.5 72 21 25908 255 20 19.3 5.2 | 62 7 -6.6 -3.5 73 20 26210 260 31 30.5 5.4 | 306 6 4.6 -3.3 74 20 26213 270 25 25.0 -0.0 | 6 9 -0.9 -8.7 75 18 26822 265 36 35.9 3.1 | 299 11 10.0 -5.6 76 17 27127 280 35 34.5 -6.1 | 330 17 8.6 -14.8 77 16 27432 270 33 33.0 -0.0 | 321 11 7.1 -8.7 78 15 28042 285 30 29.0 -7.8 | 349 17 3.1 -16.5 79 14 28346 265 25 24.9 2.2 | 9 7 -1.0 -6.5 80 14 28651 240 39 33.8 19.5 | 216 13 7.9 10.8 81 13 28956 245 49 44.4 20.7 | 237 22 18.5 12.0 82 12 29566 230 42 32.2 27.0 | 199 19 6.3 18.3 83 11 30175 240 44 38.1 22.0 | 223 18 12.2 13.3 84 10 30530 260 61 60.1 10.6 | 267 34 34.2 1.9 Wind Parameters Mean winds (0-6000m): 221.4 at 36.4 knts Storm direction: 251.4 at 27.3 knts Shear (0-3000m) pos: 4.5 neg: 1.1 tot: 5.5 10-3/s Storm rel Dir Shear (0-3000m): 65.2 deg Storm rel helicity (0-3000m) pos: 456.1 neg: -74.3 tot: 381.8 m^2/s^2 ave: 127.3 10^-3 m/s^2 rel: 0.52 Storm rel vorticity (0-3000m) horiz: 13.2 stream: 6.9 10^-3/s Energy-Hel index: 0.05 Bulk Rich Number: 0.19 Bulk Shear: 105.62 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 ------------------------------------------------------------------------------- 500 171 26 119 34| 31.5 0.0 31.5|280.9 0.0 280.9 561.7 0.88| 35.7 31.4 1000 181 33 134 35| 17.3 0.0 17.3|350.4 0.0 350.4 350.4 0.89| 21.7 19.2 1500 186 34 138 34| 7.0 0.0 7.0|361.4 -72.6 288.7 192.5 0.49| 20.4 9.9 2000 186 33 136 33| 5.2 1.1 6.4|371.8 -74.3 297.5 148.7 0.47| 16.5 7.7 2500 186 32 136 33| 4.2 1.3 5.5|385.1 -74.3 310.7 124.3 0.48| 13.6 6.5 3000 187 33 137 32| 4.5 1.1 5.5|456.1 -74.3 381.8 127.3 0.52| 13.2 6.9 4000 198 34 148 28| 5.0 0.8 5.8|592.7 -74.3 518.4 129.6 0.61| 14.0 8.6 5000 212 36 162 23| 4.7 0.7 5.4|635.3 -81.9 553.4 110.7 0.62| 12.8 8.0 6000 221 36 174 19| 3.8 0.9 4.6|642.6 -96.4 546.1 91.0 0.57| 11.4 6.5 Wrote GIF file: /home/apache/climate/data/raob//CYAH/skewt/CYAH.skewt.20251018.12.gif