UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101700.upa.cvt Date: 0000Z 17 OCT 25 Searching for CYAH... Searching the city database file for: CYAH ... Date:0000Z 17 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 187 SFC 986 306 3.4 -2.6 65 6.0 1.0 95 3 277.7 278.2 274.9 286.5 3.20 2 925 816 -0.5 -5.3 70 4.8 -2.3 100 9 278.8 279.3 274.9 286.6 2.78 3 850 1484 -6.7 -6.7 100 0.0 -6.7 80 5 279.1 279.6 275.0 286.8 2.72 4 838 1595 -7.7 -8.0 98 0.3 -7.8 279.2 279.6 274.7 286.3 2.49 5 835 1623 -5.5 -15.5 45 10.0 -8.2 281.8 282.1 274.5 285.8 1.37 6 827 1699 -2.7 -14.7 39 12.0 -6.3 285.5 285.8 276.6 289.9 1.48 7 769 2274 -3.9 -24.9 18 21.0 -8.8 290.3 290.4 277.8 292.3 0.66 8 740 2575 -6.5 -20.5 32 14.0 -10.1 290.6 290.8 278.5 293.8 1.01 9 724 2746 -6.7 -21.7 29 15.0 -10.4 292.2 292.4 279.1 295.1 0.93 10 711 2887 -6.9 -14.9 53 8.0 -9.4 293.5 293.8 280.8 298.7 1.69 11 704 2965 -6.7 -15.7 49 9.0 -9.4 294.6 294.9 281.1 299.5 1.60 12 700 3009 -7.1 -16.1 49 9.0 -9.8 105 4 294.6 294.9 281.1 299.4 1.55 13 678 3257 -9.1 -16.1 57 7.0 -11.1 295.1 295.4 281.3 300.0 1.60 14 641 3688 -12.5 -17.3 67 4.8 -13.8 296.0 296.3 281.7 300.8 1.53 15 629 3832 -13.3 -19.3 61 6.0 -14.8 296.7 296.9 281.7 300.8 1.32 16 587 4357 -13.9 -30.9 22 17.0 -17.0 301.9 302.0 282.8 303.6 0.49 17 542 4957 -18.1 -45.1 7 27.0 -21.2 303.9 303.9 283.1 304.3 0.13 18 518 5296 -17.1 -54.1 2 37.0 -20.7 309.0 309.1 285.0 309.2 0.05 19 500 5560 -19.5 -50.5 5 31.0 -22.6 360 42 309.3 309.3 285.1 309.5 0.07 20 471 6000 -22.9 -53.9 4 31.0 -25.5 310.4 310.4 285.5 310.6 0.05 21 426 6729 -26.5 -54.5 5 28.0 -28.6 314.8 314.8 287.1 315.0 0.05 22 423 6780 -26.3 -46.3 13 20.0 -28.2 315.7 315.7 287.5 316.2 0.14 23 400 7180 -29.9 -46.9 18 17.0 -31.3 355 47 316.1 316.2 287.6 316.7 0.14 24 365 7827 -34.9 -43.9 39 9.0 -35.7 317.8 317.9 288.3 318.6 0.21 25 330 8524 -39.9 -56.9 15 17.0 -40.6 320.3 320.3 288.9 320.5 0.05 26 300 9170 -44.5 -56.5 25 12.0 -44.9 345 50 322.6 322.6 289.6 322.9 0.06 27 292 9351 -45.9 -58.9 22 13.0 -46.3 323.2 323.2 289.8 323.3 0.05 28 256 10216 -51.7 -61.7 29 10.0 -51.9 327.0 327.0 290.9 327.1 0.04 29 251 10344 -52.1 -59.1 43 7.0 -52.3 328.2 328.2 291.3 328.4 0.05 30 250 10370 -52.3 -59.3 43 7.0 -52.5 345 46 328.3 328.3 291.3 328.5 0.05 31 240 10634 -53.7 -61.7 37 8.0 -53.9 330.1 330.1 291.7 330.2 0.04 32 228 10963 -55.1 -63.1 36 8.0 -55.2 335 50 332.8 332.8 292.5 332.9 0.03 33 221 11162 -55.3 -65.3 28 10.0 -55.5 335.5 335.5 293.2 335.6 0.03 34 216 11310 -52.5 -71.5 8 19.0 -52.8 342.0 342.0 294.8 342.1 0.01 35 208 11555 -51.3 -74.3 5 23.0 -51.7 347.6 347.6 296.1 347.6 0.01 36 200 11810 -51.1 -76.1 4 25.0 -51.5 340 47 351.8 351.9 297.0 351.9 0.01 37 198 11875 -50.3 -76.3 3 26.0 -50.8 354.1 354.1 297.5 354.2 0.01 38 180 12489 -54.7 -79.7 3 25.0 -55.0 356.7 356.7 298.1 356.8 0.00 39 172 12780 -53.1 -81.1 2 28.0 -53.5 364.0 364.1 299.5 364.1 0.00 40 159 13281 -56.9 -81.9 3 25.0 -57.2 365.9 365.9 299.8 365.9 0.00 41 155 13442 -56.3 -82.3 2 26.0 -56.6 369.6 369.6 300.5 369.6 0.00 42 150 13650 -56.7 -82.7 2 26.0 -57.0 340 31 372.4 372.4 301.0 372.4 0.00 43 145 13864 -57.7 -83.7 2 26.0 -58.0 374.3 374.3 301.3 374.3 0.00 44 141 14042 -56.3 -83.3 2 27.0 -56.6 379.7 379.7 302.2 379.7 0.00 45 134 14364 -57.5 -84.5 2 27.0 -57.8 383.2 383.2 302.8 383.2 0.00 46 132 14460 -55.1 -84.1 2 29.0 -55.5 389.1 389.1 303.6 389.1 0.00 47 121 15015 -55.3 -84.3 2 29.0 -55.7 398.5 398.5 305.0 398.6 0.00 48 111 15562 -58.1 -85.1 2 27.0 -58.5 403.3 403.3 305.6 403.3 0.00 49 106 15853 -56.9 -84.9 2 28.0 -57.3 410.9 410.9 306.6 410.9 0.00 50 100 16220 -59.5 -85.5 2 26.0 -59.8 310 11 412.8 412.8 306.9 412.8 0.00 51 87 17090 -60.1 -87.1 2 27.0 -60.4 428.3 428.3 308.7 428.3 0.00 52 82 17461 -58.3 -86.3 2 28.0 -58.7 439.3 439.3 309.8 439.3 0.00 53 70 18450 -60.9 -87.9 2 27.0 -61.3 305 16 454.1 454.1 311.3 454.1 0.00 54 66 18815 -61.7 -88.7 2 27.0 -62.1 460.1 460.1 311.8 460.1 0.00 55 59 19513 -59.3 -87.3 1 28.0 -59.8 480.4 480.4 313.5 480.5 0.00 56 53 20180 -62.5 -89.5 1 27.0 -62.9 488.0 488.0 314.1 488.0 0.00 57 50 20540 -61.9 -88.9 2 27.0 -62.4 265 9 497.6 497.6 314.8 497.6 0.00 58 38 22238 -62.3 -89.3 2 27.0 -62.9 537.2 537.2 317.3 537.2 0.00 59 37 22404 -59.1 -89.1 1 30.0 -59.9 549.6 549.6 318.1 549.6 0.00 60 30 23710 -62.5 -89.5 1 27.0 -63.2 260 24 574.3 574.3 319.4 574.3 0.00 61 24 25081 -64.1 -91.1 1 27.0 -64.8 607.4 607.5 320.9 607.5 0.00 62 21 25906 -60.1 -90.1 1 30.0 -61.3 643.2 643.2 322.4 643.2 0.01 63 20 26210 -61.3 -89.3 1 28.0 -62.4 260 45 648.5 648.5 322.6 648.6 0.01 64 15 27982 -64.9 -91.9 1 27.0 -65.8 692.2 692.2 324.2 692.2 0.01 65 12 29367 -58.1 -89.1 1 31.0 -60.5 761.9 761.9 326.3 762.0 0.01 66 10 30520 -56.9 -87.9 1 31.0 -60.0 245 58 807.2 807.2 327.4 807.3 0.02 67 6.2 33580 -52.3 -86.3 1 34.0 -58.5 945.1 945.1 330.2 945.5 0.04 68 5.8 34011 -52.7 -85.7 1 33.0 -58.9 961.5 961.6 330.5 962.0 0.04 TRP 228 10963 -55.1 -63.1 36 8.0 -55.2 335 50 332.8 332.8 292.5 332.9 0.03 WND 5.0 250 100 Sounding variables and indices 1000-500 mb thick: 5373.00 m Freezing level: 932.82 mb = 750.62 m = 2462.62 ft Wetbulb zero: 967.88 mb = 454.12 m = 1489.87 ft Precipitable water: 0.31 inches Sfc-500 mean rel hum: 43.51 % Est. max temperature: 6.67 C = 44.00 F Sfc-Lift cond lev (LCL): 898.50 mb = 1045.59 m = 3430.39 ft T: -2.63 C 700-500 lapse rate: 4.86 C/km ThetaE index: 0.93 C Layer 838.0- 827.0 mb Conv cond level (CCL): 861.57 mb = 1377.17 m = 4518.23 ft Mean mixing ratio: 2.90 g/kg Conv temperature: 4.81 C = 40.66 F Cap Strength: 19.44 C Lifted Index: 19.30 C Risk: None Lifted Index @300 mb: 25.56 C Lifted Index @700 mb: 10.81 C Showalter Index: 19.15 C Risk: None Total Totals Index: 25.60 C Risk: None Vertical Totals Index: 12.80 C Cross Totals Index: 12.80 C K Index: -2.90 Risk: None Sweat Index: 52.00 Risk: None Energy Index: 4.85 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 4.86 J/kg Max Up Vert Vel: 3.12 m/s Conv Inhibition (B-): 73015.81 J/kg Cap Strength: 19.38 C Lift Cond Lev (LCL): 869.08 mb = 1308.61 m = 4293.30 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data ------------------------------------ TRUE/GROUND REL LEV P H DIR SPD U V mb m knt m/s ------------------------------------ 0 5 42584 250 100 94.0 34.2 1 986 306 95 3 -3.0 0.3 2 949 610 105 10 -9.7 2.6 3 925 816 100 9 -8.9 1.6 4 914 914 85 9 -9.0 -0.8 5 879 1219 65 8 -7.3 -3.4 6 850 1484 80 5 -4.9 -0.9 7 813 1829 65 2 -1.8 -0.8 8 783 2134 50 3 -2.3 -1.9 9 753 2438 60 6 -5.2 -3.0 10 724 2743 25 3 -1.3 -2.7 11 700 3009 105 4 -3.9 1.0 12 643 3658 105 5 -4.8 1.3 13 593 4267 40 8 -5.1 -6.1 14 570 4572 25 10 -4.2 -9.1 15 547 4877 5 8 -0.7 -8.0 16 505 5486 360 42 -0.0 -42.0 17 500 5560 360 42 -0.0 -42.0 18 464 6096 355 39 3.4 -38.9 19 427 6706 360 41 -0.0 -41.0 20 400 7180 355 47 4.1 -46.8 21 375 7620 350 50 8.7 -49.2 22 344 8230 340 53 18.1 -49.8 23 301 9144 340 52 17.8 -48.9 24 300 9170 345 50 12.9 -48.3 25 288 9449 350 49 8.5 -48.3 26 250 10370 345 46 11.9 -44.4 27 239 10668 335 50 21.1 -45.3 28 228 10963 335 50 21.1 -45.3 29 228 10973 330 51 25.5 -44.2 30 200 11810 340 47 16.1 -44.2 31 198 11887 335 49 20.7 -44.4 32 188 12192 350 35 6.1 -34.5 33 171 12802 330 34 17.0 -29.4 34 150 13650 340 31 10.6 -29.1 35 135 14326 350 27 4.7 -26.6 36 129 14630 310 20 15.3 -12.9 37 117 15240 320 21 13.5 -16.1 38 106 15850 315 27 19.1 -19.1 39 101 16154 340 15 5.1 -14.1 40 100 16220 310 11 8.4 -7.1 41 96 16459 310 11 8.4 -7.1 42 92 16764 315 19 13.4 -13.4 43 87 17069 330 15 7.5 -13.0 44 83 17374 310 15 11.5 -9.6 45 79 17678 290 24 22.6 -8.2 46 75 17983 300 15 13.0 -7.5 47 72 18288 305 15 12.3 -8.6 48 70 18450 305 16 13.1 -9.2 49 62 19202 295 11 10.0 -4.6 50 56 19812 320 16 10.3 -12.3 51 50 20540 265 9 9.0 0.8 52 46 21031 245 11 10.0 4.6 53 44 21336 275 8 8.0 -0.7 54 40 21946 150 3 -1.5 2.6 55 36 22555 265 13 13.0 1.1 56 34 22860 285 11 10.6 -2.8 57 33 23165 255 11 10.6 2.8 58 30 23710 260 24 23.6 4.2 59 30 23774 265 28 27.9 2.4 60 27 24384 270 21 21.0 -0.0 61 26 24689 255 16 15.5 4.1 62 24 24994 265 19 18.9 1.7 63 23 25298 245 15 13.6 6.3 64 20 26210 260 45 44.3 7.8 65 19 26518 260 45 44.3 7.8 66 17 27127 275 42 41.8 -3.7 67 16 27432 270 41 41.0 -0.0 68 14 28346 235 40 32.8 22.9 69 12 29261 250 70 65.8 23.9 70 10 30520 245 58 52.6 24.5 Wind Parameters Energy-Hel index: -0.30 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 NO DATA | | | 1000 NO DATA | | | 1500 NO DATA | | | 2000 NO DATA | | | 2500 NO DATA | | | 3000 NO DATA | | | 4000 NO DATA | | | 5000 NO DATA | | | 6000 NO DATA | | | Wrote GIF file: /home/apache/climate/data/raob//CYAH/skewt/CYAH.skewt.20251017.00.gif