UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025102300.upa.cvt Date: 0000Z 23 OCT 25 Searching for CYAH... Searching the city database file for: CYAH ... Date:0000Z 23 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 41 SFC 969 306 7.2 6.1 93 1.1 6.6 90 2 282.9 283.9 281.2 299.8 6.10 2 959 391 8.8 4.4 74 4.4 6.6 98 3 285.3 286.3 281.6 300.7 5.47 3 925 687 6.6 2.8 77 3.8 4.8 160 5 286.1 286.9 281.5 300.3 5.06 4 885 1048 3.4 1.8 89 1.6 2.7 149 7 286.4 287.2 281.5 300.3 4.92 5 850 1375 2.6 -0.3 81 2.9 1.3 135 10 288.9 289.6 282.0 301.5 4.40 6 824 1626 0.8 -0.9 88 1.7 0.0 146 13 289.5 290.3 282.2 302.1 4.34 7 812 1743 0.4 -5.6 64 6.0 -2.0 151 15 290.3 290.9 281.1 299.4 3.10 8 807 1793 0.2 -3.8 74 4.0 -1.5 153 15 290.6 291.3 281.8 301.1 3.57 9 798 1883 -0.3 -6.3 64 6.0 -2.7 154 16 291.0 291.6 281.3 299.8 2.99 10 786 2004 -0.9 -3.2 84 2.3 -1.9 152 18 291.7 292.3 282.5 302.9 3.84 11 747 2409 -3.3 -4.7 90 1.4 -3.9 141 17 293.3 294.0 283.0 304.0 3.61 12 707 2842 -6.3 -6.5 98 0.2 -6.4 148 18 294.7 295.3 283.2 304.6 3.32 13 700 2920 -6.5 -7.9 90 1.4 -7.0 150 21 295.3 295.8 283.1 304.3 3.01 14 684 3101 -7.5 -9.7 84 2.2 -8.3 152 20 296.1 296.6 283.1 304.2 2.67 15 682 3123 -7.7 -10.5 80 2.8 -8.7 153 19 296.2 296.6 282.9 303.8 2.52 16 681 3135 -7.5 -15.5 53 8.0 -9.9 154 19 296.5 296.8 282.0 301.7 1.68 17 674 3215 -7.7 -26.7 20 19.0 -11.9 158 16 297.2 297.3 281.0 299.2 0.64 18 599 4126 -12.5 -36.5 12 24.0 -16.4 165 13 301.8 301.8 282.5 302.8 0.28 19 588 4267 -13.7 -37.7 11 24.0 -17.4 161 14 302.0 302.0 282.5 302.9 0.25 20 554 4716 -17.9 -34.9 21 17.0 -20.5 160 21 302.2 302.3 282.8 303.4 0.36 21 551 4757 -18.3 -30.3 34 12.0 -20.4 160 22 302.2 302.3 283.0 304.1 0.56 22 549 4784 -17.5 -20.1 80 2.6 -18.1 160 22 303.5 303.7 284.5 308.0 1.41 23 547 4812 -17.1 -19.8 79 2.7 -17.8 160 23 304.3 304.5 284.9 308.9 1.45 24 504 5421 -21.5 -21.5 100 0.0 -21.5 160 25 306.1 306.4 285.5 310.5 1.36 25 500 5480 -21.9 -22.0 99 0.1 -21.9 160 25 306.3 306.6 285.5 310.6 1.31 26 477 5823 -24.3 -24.8 96 0.5 -24.4 162 25 307.5 307.7 285.7 311.1 1.07 27 436 6470 -28.1 -34.1 56 6.0 -28.9 147 31 310.7 310.8 286.2 312.4 0.49 28 431 6552 -28.5 -34.5 56 6.0 -29.3 150 31 311.2 311.3 286.4 312.9 0.48 29 400 7080 -33.1 -35.8 77 2.7 -33.4 150 30 312.0 312.1 286.6 313.6 0.45 30 384 7366 -35.3 -36.8 86 1.5 -35.4 150 32 312.7 312.8 286.8 314.2 0.42 31 373 7567 -37.1 -42.1 60 5.0 -37.5 150 34 313.0 313.0 286.7 313.9 0.25 32 355 7907 -40.1 -47.1 47 7.0 -40.5 151 34 313.4 313.4 286.7 314.0 0.15 33 300 9030 -50.5 -54.7 61 4.2 -50.6 145 40 314.2 314.2 286.9 314.5 0.08 34 279 9500 -54.9 -59.1 60 4.2 -55.0 148 46 314.4 314.4 286.9 314.6 0.05 35 275 9592 -55.5 -56.9 84 1.4 -55.5 149 48 314.9 314.9 287.1 315.1 0.06 36 268 9756 -56.9 -58.6 81 1.7 -56.9 150 51 315.1 315.2 287.2 315.3 0.05 37 267 9780 -56.9 -58.3 84 1.4 -56.9 150 51 315.5 315.5 287.3 315.7 0.05 38 266 9804 -56.9 -59.5 72 2.6 -56.9 150 51 315.8 315.8 287.4 316.0 0.05 39 263 9876 -56.3 -67.3 24 11.0 -56.5 150 51 317.7 317.7 288.0 317.8 0.02 40 250 10200 -54.7 -67.7 19 13.0 -54.9 155 43 324.7 324.7 290.2 324.8 0.02 41 246 10304 -54.1 -67.1 19 13.0 -54.3 155 43 327.1 327.1 290.9 327.2 0.02 42 239 10489 -54.7 -67.7 19 13.0 -54.9 153 40 329.0 329.0 291.5 329.0 0.02 43 210 11323 -51.7 -70.7 9 19.0 -52.1 135 31 346.0 346.0 295.8 346.1 0.01 44 200 11640 -52.1 -71.1 8 19.0 -52.5 130 33 350.3 350.3 296.7 350.3 0.01 45 190 11970 -53.1 -73.1 7 20.0 -53.4 134 36 353.8 353.8 297.5 353.9 0.01 46 174 12539 -50.5 -72.5 6 22.0 -51.0 154 36 367.1 367.1 300.1 367.2 0.01 47 161 13043 -52.3 -73.3 6 21.0 -52.7 142 31 372.3 372.3 301.0 372.4 0.01 48 153 13372 -52.1 -74.1 5 22.0 -52.6 164 31 378.2 378.2 301.9 378.2 0.01 49 150 13500 -50.7 -72.7 6 22.0 -51.2 175 32 382.7 382.7 302.7 382.8 0.01 50 134 14230 -54.3 -76.3 5 22.0 -54.7 145 11 388.9 388.9 303.6 388.9 0.01 51 128 14524 -52.7 -75.7 5 23.0 -53.2 143 20 396.9 396.9 304.8 396.9 0.01 52 122 14833 -55.1 -78.1 4 23.0 -55.5 134 22 398.0 398.0 304.9 398.0 0.01 53 112 15379 -55.3 -79.3 4 24.0 -55.8 142 28 407.5 407.5 306.2 407.5 0.01 54 103 15918 -51.7 -77.7 3 26.0 -52.4 149 28 424.2 424.2 308.2 424.3 0.01 55 100 16110 -52.3 -78.3 3 26.0 -53.0 175 13 426.7 426.7 308.5 426.7 0.01 56 92 16645 -55.5 -81.5 3 26.0 -56.1 148 11 430.6 430.6 308.9 430.7 0.01 57 70 18380 -57.3 -85.3 2 28.0 -57.9 265 7 461.8 461.8 312.0 461.8 0.00 58 50 20500 -59.5 -87.5 1 28.0 -60.1 215 2 503.3 503.3 315.2 503.3 0.00 59 35 22713 -60.9 -88.9 1 28.0 -61.6 283 8 553.7 553.7 318.3 553.7 0.00 60 32 23264 -64.1 -90.1 2 26.0 -64.6 153 10 559.5 559.5 318.6 559.5 0.00 61 30 23660 -61.3 -89.3 1 28.0 -62.1 305 10 577.5 577.5 319.5 577.6 0.00 62 29 23871 -60.9 -88.9 1 28.0 -61.7 305 10 584.3 584.3 319.9 584.3 0.00 63 27 24313 -63.7 -89.7 2 26.0 -64.4 280 10 588.5 588.5 320.0 588.5 0.00 64 23 25304 -61.3 -89.3 1 28.0 -62.3 285 15 623.1 623.1 321.6 623.2 0.01 65 20 26170 -62.7 -89.7 1 27.0 -63.7 300 21 644.2 644.3 322.4 644.3 0.01 66 17 27164 -64.7 -90.7 2 26.0 -65.5 294 19 668.5 668.5 323.4 668.5 0.01 67 15 27931 -61.9 -89.9 1 28.0 -63.3 308 20 702.2 702.2 324.5 702.2 0.01 68 10 30420 -64.3 -91.3 1 27.0 -65.8 300 21 779.5 779.5 326.7 779.6 0.01 69 9.3 30868 -60.5 -89.5 1 29.0 -62.8 810.4 810.4 327.5 810.5 0.01 70 8.1 31724 -62.5 -90.5 1 28.0 -64.6 835.1 835.1 328.1 835.2 0.01 71 7.2 32455 -60.1 -90.1 1 30.0 -63.0 873.5 873.6 328.9 873.7 0.02 72 7.1 32543 -60.3 -89.3 1 29.0 -63.2 876.2 876.2 329.0 876.4 0.02 TRP 268 9756 -56.9 -58.6 81 1.7 -56.9 150 51 315.1 315.2 287.2 315.3 0.05 WND Sounding variables and indices 1000-500 mb thick: 5439.00 m Freezing level: 803.40 mb = 1828.94 m = 6000.40 ft Wetbulb zero: 823.88 mb = 1626.70 m = 5336.88 ft Precipitable water: 0.57 inches Sfc-500 mean rel hum: 63.30 % Est. max temperature: 14.12 C = 57.42 F Sfc-Lift cond lev (LCL): 952.93 mb = 443.20 m = 1454.04 ft T: 8.41 C 700-500 lapse rate: 6.02 C/km ThetaE index: 5.32 C Layer 700.0- 599.0 mb Conv cond level (CCL): 834.36 mb = 1524.80 m = 5002.57 ft Mean mixing ratio: 5.12 g/kg Conv temperature: 13.53 C = 56.35 F Cap Strength: 6.66 C Lifted Index: 6.76 C Risk: None Lifted Index @300 mb: 9.83 C Lifted Index @700 mb: 2.68 C Showalter Index: 6.03 C Risk: None Total Totals Index: 46.10 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 24.50 C Cross Totals Index: 21.60 C K Index: 22.80 Risk: 20-40 % chance of thunderstorms Sweat Index: 45.00 Risk: None Energy Index: 1.85 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 8.18 J/kg Max Up Vert Vel: 4.04 m/s Conv Inhibition (B-): 53845.25 J/kg Cap Strength: 6.65 C Lift Cond Lev (LCL): 876.09 mb = 1129.97 m = 3707.21 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 183 at 12 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 ---------------------------------------------------------- 0 969 306 90 2 -2.0 0.0 | 12 13 -2.7 -12.3 1 934 610 120 6 -5.2 3.0 | 32 11 -5.9 -9.3 2 925 687 160 5 -1.7 4.7 | 17 8 -2.4 -7.6 3 900 914 160 4 -1.4 3.8 | 13 9 -2.0 -8.5 4 866 1219 135 12 -8.5 8.5 | 68 10 -9.1 -3.8 5 850 1375 135 10 -7.1 7.1 | 56 9 -7.7 -5.2 6 803 1829 155 16 -6.8 14.5 | 107 8 -7.4 2.2 7 773 2134 150 19 -9.5 16.5 | 112 11 -10.2 4.2 8 744 2438 140 17 -10.9 13.0 | 94 12 -11.6 0.8 9 716 2743 145 14 -8.0 11.5 | 85 9 -8.7 -0.8 10 700 2920 150 21 -10.5 18.2 | 118 13 -11.2 5.9 11 688 3048 150 21 -10.5 18.2 | 118 13 -11.2 5.9 12 661 3353 165 12 -3.1 11.6 | 80 4 -3.8 -0.7 13 635 3658 150 8 -4.0 6.9 | 41 7 -4.7 -5.3 14 610 3962 170 12 -2.1 11.8 | 81 3 -2.7 -0.4 15 586 4267 160 14 -4.8 13.2 | 99 6 -5.5 0.9 16 541 4877 160 24 -8.2 22.6 | 139 14 -8.9 10.3 17 500 5480 160 25 -8.6 23.5 | 141 15 -9.2 11.2 18 479 5791 165 25 -6.5 24.1 | 149 14 -7.1 11.9 19 459 6096 135 27 -19.1 19.1 | 109 21 -19.8 6.8 20 421 6706 155 33 -13.9 29.9 | 140 23 -14.6 17.6 21 400 7080 150 30 -15.0 26.0 | 131 21 -15.7 13.7 22 369 7620 150 34 -17.0 29.4 | 134 25 -17.7 17.2 23 309 8839 155 34 -14.4 30.8 | 141 24 -15.0 18.5 24 300 9030 145 40 -22.9 32.8 | 131 31 -23.6 20.5 25 295 9144 145 40 -22.9 32.8 | 131 31 -23.6 20.5 26 268 9756 150 51 -25.5 44.2 | 141 41 -26.2 31.9 27 256 10058 150 51 -25.5 44.2 | 141 41 -26.2 31.9 28 250 10200 155 43 -18.2 39.0 | 145 33 -18.8 26.7 29 244 10363 155 43 -18.2 39.0 | 145 33 -18.8 26.7 30 233 10668 150 37 -18.5 32.0 | 136 28 -19.2 19.8 31 222 10973 140 29 -18.6 22.2 | 117 22 -19.3 10.0 32 200 11640 130 33 -25.3 21.2 | 109 27 -25.9 8.9 33 192 11887 130 35 -26.8 22.5 | 110 29 -27.5 10.2 34 184 12192 145 40 -22.9 32.8 | 131 31 -23.6 20.5 35 175 12497 155 36 -15.2 32.6 | 142 26 -15.9 20.4 36 159 13106 140 30 -19.3 23.0 | 118 23 -19.9 10.7 37 150 13500 175 32 -2.8 31.9 | 170 20 -3.5 19.6 38 145 13716 160 39 -13.3 36.6 | 150 28 -14.0 24.4 39 138 14021 175 12 -1.0 12.0 | 80 2 -1.7 -0.3 40 132 14326 130 11 -8.4 7.1 | 60 10 -9.1 -5.2 41 126 14630 150 25 -12.5 21.7 | 125 16 -13.2 9.4 42 120 14935 125 21 -17.2 12.0 | 89 18 -17.9 -0.2 43 114 15240 140 29 -18.6 22.2 | 117 22 -19.3 10.0 44 109 15545 145 27 -15.5 22.1 | 121 19 -16.1 9.9 45 104 15850 140 34 -21.9 26.0 | 121 26 -22.5 13.8 46 100 16110 175 13 -1.1 13.0 | 111 2 -1.8 0.7 47 99 16154 180 16 0.0 16.0 | 170 4 -0.7 3.7 48 95 16459 175 13 -1.1 13.0 | 111 2 -1.8 0.7 49 90 16764 130 10 -7.7 6.4 | 55 10 -8.3 -5.8 50 86 17069 145 21 -12.0 17.2 | 111 14 -12.7 4.9 51 78 17678 175 18 -1.6 17.9 | 159 6 -2.2 5.7 52 75 17983 170 19 -3.3 18.7 | 148 8 -4.0 6.4 53 71 18288 210 17 8.5 14.7 | 253 8 7.8 2.5 54 70 18380 265 7 7.0 0.6 | 332 13 6.3 -11.7 55 68 18593 240 10 8.7 5.0 | 312 11 8.0 -7.3 56 56 19812 140 3 -1.9 2.3 | 15 10 -2.6 -10.0 57 53 20117 160 10 -3.4 9.4 | 55 5 -4.1 -2.9 58 51 20422 195 14 3.6 13.5 | 247 3 3.0 1.3 59 50 20500 215 2 1.1 1.6 | 357 11 0.5 -10.6 60 46 21031 160 1 -0.3 0.9 | 5 11 -1.0 -11.3 61 44 21336 200 11 3.8 10.3 | 302 4 3.1 -1.9 62 42 21641 255 14 13.5 3.6 | 304 15 12.9 -8.6 63 40 21946 310 10 7.7 -6.4 | 339 20 7.0 -18.7 64 38 22250 335 2 0.8 -1.8 | 359 14 0.2 -14.1 65 34 22860 265 10 10.0 0.9 | 321 15 9.3 -11.4 66 31 23470 95 10 -10.0 0.9 | 43 16 -10.6 -11.4 67 30 23660 305 10 8.2 -5.7 | 337 20 7.5 -18.0 68 28 24079 305 10 8.2 -5.7 | 337 20 7.5 -18.0 69 25 24689 240 10 8.7 5.0 | 312 11 8.0 -7.3 70 24 24994 260 14 13.8 2.4 | 307 16 13.1 -9.8 71 23 25298 285 15 14.5 -3.9 | 319 21 13.8 -16.1 72 22 25603 280 16 15.8 -2.8 | 315 21 15.1 -15.0 73 21 25908 300 16 13.9 -8.0 | 327 24 13.2 -20.3 74 20 26170 300 21 18.2 -10.5 | 322 29 17.5 -22.8 75 19 26518 290 16 15.0 -5.5 | 321 23 14.4 -17.7 76 18 26822 310 16 12.3 -10.3 | 333 25 11.6 -22.5 77 17 27127 290 19 17.9 -6.5 | 318 25 17.2 -18.8 78 16 27432 320 17 10.9 -13.0 | 338 27 10.3 -25.3 79 15 28042 305 21 17.2 -12.0 | 326 29 16.5 -24.3 80 13 28651 310 16 12.3 -10.3 | 333 25 11.6 -22.5 81 13 28956 330 15 7.5 -13.0 | 345 26 6.8 -25.3 82 12 29261 295 13 11.8 -5.5 | 328 21 11.1 -17.8 83 11 29870 285 20 19.3 -5.2 | 313 26 18.7 -17.4 84 10 30420 300 21 18.2 -10.5 | 322 29 17.5 -22.8 Wind Parameters Mean winds (0-6000m): 153.1 at 16.4 knts Storm direction: 183.1 at 12.3 knts Shear (0-3000m) pos: 2.0 neg: 1.8 tot: 3.8 10-3/s Storm rel Dir Shear (0-3000m): 84.0 deg Storm rel helicity (0-3000m) pos: 61.6 neg: -29.0 tot: 32.6 m^2/s^2 ave: 10.9 10^-3 m/s^2 rel: 0.26 Storm rel vorticity (0-3000m) horiz: 8.7 stream: 2.3 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.40 Bulk Shear: 20.54 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 ------------------------------------------------------------------------------- 500 130 4 23 10| 4.4 0.0 4.4| 13.1 -6.6 6.5 13.0 0.16| 9.1 1.4 1000 138 6 32 9| 2.2 3.6 5.8| 28.6 -9.2 19.4 19.4 0.42| 9.5 4.0 1500 142 8 45 8| 3.7 2.4 6.1| 42.8 -10.1 32.6 21.7 0.54| 8.8 4.7 2000 146 11 63 8| 2.8 2.7 5.4| 45.7 -16.2 29.5 14.8 0.42| 8.0 3.4 2500 145 12 70 8| 2.1 2.2 4.3| 50.8 -24.3 26.5 10.6 0.33| 7.7 2.5 3000 147 13 79 8| 2.0 1.8 3.8| 61.6 -29.0 32.6 10.9 0.26| 8.7 2.3 4000 150 12 78 7| 1.9 1.2 3.1| 66.7 -34.7 32.0 8.0 0.21| 8.2 1.7 5000 153 14 94 7| 1.5 1.7 3.2| 79.6 -34.7 44.9 9.0 0.25| 7.6 1.9 6000 153 16 106 8| 1.4 2.1 3.5|106.5 -84.9 21.6 3.6 0.14| 7.9 1.1 Wrote GIF file: /home/apache/climate/data/raob//CYAH/skewt/CYAH.skewt.20251023.00.gif