UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025102712.upa.cvt Date: 1200Z 27 OCT 25 Searching for CYAH... Searching the city database file for: CYAH ... Date:1200Z 27 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 271 215 4 SFC 996 306 -1.5 -3.6 86 2.1 -2.3 215 4 272.0 272.4 271.1 279.9 2.94 2 931 836 -6.3 -6.3 100 0.0 -6.3 261 10 272.4 272.8 270.8 279.4 2.56 3 928 861 -5.7 -7.4 88 1.7 -6.2 265 10 273.2 273.6 271.0 279.7 2.36 4 926 878 -3.9 -14.9 42 11.0 -6.9 268 10 275.2 275.5 270.5 279.0 1.30 5 925 886 -3.5 -18.5 30 15.0 -7.2 270 10 275.7 275.9 270.2 278.5 0.96 6 921 920 -0.3 -24.3 14 24.0 -5.8 275 9 279.3 279.4 271.8 281.1 0.58 7 917 955 0.4 -21.6 17 22.0 -5.1 273 9 280.4 280.5 272.7 282.6 0.74 8 850 1563 -0.3 -27.3 11 27.0 -6.4 285 8 285.8 285.9 275.3 287.3 0.48 9 825 1801 -1.1 -28.1 11 27.0 -7.1 285 5 287.4 287.5 276.1 288.9 0.46 10 810 1948 0.4 -30.6 8 31.0 -6.4 295 5 290.5 290.6 277.5 291.7 0.37 11 776 2291 0.4 -42.6 2 43.0 -7.0 323 5 294.1 294.1 278.9 294.5 0.12 12 767 2385 0.2 -42.8 2 43.0 -7.2 330 5 294.9 294.9 279.2 295.3 0.11 13 755 2511 -0.3 -25.3 13 25.0 -6.7 342 6 295.7 295.8 280.4 297.8 0.65 14 750 2564 -0.7 -14.7 34 14.0 -5.3 347 6 295.8 296.1 281.7 300.8 1.63 15 745 2617 -0.9 -21.9 19 21.0 -6.7 352 7 296.2 296.3 280.9 299.0 0.89 16 741 2660 -1.1 -16.1 31 15.0 -5.9 357 7 296.4 296.7 281.7 301.0 1.47 17 700 3112 -2.7 -20.7 24 18.0 -7.8 10 11 299.5 299.7 282.5 302.9 1.05 18 637 3856 -5.5 -38.5 5 33.0 -11.5 30 15 304.5 304.5 283.5 305.3 0.22 19 630 3943 -5.1 -39.1 5 34.0 -11.3 37 16 305.9 306.0 284.0 306.6 0.20 20 551 4983 -11.3 -41.3 6 30.0 -16.0 20 16 310.5 310.6 285.8 311.2 0.19 21 514 5512 -15.7 -40.7 10 25.0 -19.4 20 16 311.4 311.5 286.1 312.2 0.21 22 500 5720 -17.5 -33.5 23 16.0 -20.3 20 17 311.7 311.8 286.5 313.3 0.45 23 496 5780 -18.1 -33.1 26 15.0 -20.7 20 17 311.7 311.8 286.5 313.3 0.47 24 435 6746 -24.9 -30.9 57 6.0 -25.9 33 25 315.0 315.1 287.9 317.3 0.67 25 400 7350 -29.1 -36.1 51 7.0 -30.0 20 30 317.2 317.3 288.3 318.7 0.44 26 380 7715 -31.5 -39.5 45 8.0 -32.4 21 33 318.7 318.8 288.7 319.9 0.33 27 334 8613 -39.3 -46.3 47 7.0 -39.8 36 30 320.0 320.0 288.9 320.7 0.18 28 321 8884 -40.9 -49.9 37 9.0 -41.4 40 30 321.4 321.5 289.3 321.9 0.12 29 300 9340 -44.9 -51.9 45 7.0 -45.2 35 37 322.1 322.1 289.5 322.5 0.11 30 284 9703 -48.3 -53.3 56 5.0 -48.5 32 40 322.3 322.3 289.6 322.7 0.09 31 264 10180 -52.3 -59.3 43 7.0 -52.5 28 45 323.2 323.2 289.8 323.4 0.05 32 250 10530 -54.9 -60.9 47 6.0 -55.0 25 48 324.4 324.5 290.2 324.6 0.04 33 223 11252 -60.9 -65.1 57 4.2 -61.0 25 53 326.0 326.0 290.6 326.1 0.03 34 213 11536 -63.3 -69.3 44 6.0 -63.4 25 56 326.6 326.6 290.7 326.6 0.02 35 200 11920 -66.7 -71.7 49 5.0 -66.7 25 59 327.1 327.1 290.9 327.2 0.01 36 195 12073 -67.7 -72.5 50 4.8 -67.7 30 61 327.9 327.9 291.2 328.0 0.01 37 189 12260 -68.9 -73.5 51 4.6 -68.9 30 56 328.9 328.9 291.4 329.0 0.01 38 176 12690 -65.1 -75.1 24 10.0 -65.2 18 54 341.9 341.9 294.8 342.0 0.01 39 168 12973 -66.5 -77.5 20 11.0 -66.5 24 45 344.2 344.2 295.3 344.2 0.01 40 162 13194 -63.3 -79.3 10 16.0 -63.4 30 38 353.2 353.2 297.3 353.2 0.00 41 157 13387 -63.1 -81.1 7 18.0 -63.2 30 36 356.7 356.7 298.0 356.7 0.00 42 154 13506 -60.5 -81.5 5 21.0 -60.7 28 34 363.1 363.1 299.3 363.1 0.00 43 150 13670 -60.9 -82.9 4 22.0 -61.1 25 30 365.2 365.2 299.7 365.2 0.00 44 149 13711 -60.3 -82.3 4 22.0 -60.5 16 35 366.9 366.9 300.0 366.9 0.00 45 138 14185 -62.7 -83.7 4 21.0 -62.9 21 31 370.8 370.8 300.7 370.8 0.00 46 134 14366 -60.5 -83.5 3 23.0 -60.7 16 30 377.8 377.8 301.9 377.9 0.00 47 130 14554 -61.5 -84.5 3 23.0 -61.7 12 30 379.3 379.3 302.1 379.4 0.00 48 125 14797 -59.7 -84.7 2 25.0 -59.9 14 28 386.9 386.9 303.3 386.9 0.00 49 116 15260 -62.1 -85.1 3 23.0 -62.3 24 23 390.8 390.8 303.9 390.8 0.00 50 111 15532 -60.3 -85.3 2 25.0 -60.6 6 23 399.1 399.1 305.1 399.1 0.00 51 107 15760 -61.3 -86.3 2 25.0 -61.5 23 23 401.4 401.4 305.4 401.5 0.00 52 104 15936 -60.1 -86.1 2 26.0 -60.4 23 22 407.0 407.0 306.1 407.0 0.00 53 100 16180 -60.5 -86.5 2 26.0 -60.8 5 19 410.8 410.8 306.6 410.8 0.00 54 89 16903 -61.7 -87.7 2 26.0 -62.0 16 15 422.4 422.4 308.0 422.4 0.00 55 80 17567 -59.3 -87.3 1 28.0 -59.7 348 10 440.4 440.4 309.9 440.4 0.00 56 70 18400 -60.9 -87.9 2 27.0 -61.3 340 14 454.1 454.1 311.3 454.1 0.00 57 50 20490 -61.3 -89.3 1 28.0 -61.8 350 12 499.0 499.0 314.9 499.0 0.00 58 36 22514 -64.7 -90.7 2 26.0 -65.1 338 13 539.4 539.4 317.5 539.4 0.00 59 31 23436 -60.9 -89.9 1 29.0 -61.7 338 10 573.2 573.2 319.3 573.2 0.00 60 30 23640 -61.3 -90.3 1 29.0 -62.1 20 10 577.5 577.5 319.5 577.5 0.00 61 26 24523 -63.9 -90.9 1 27.0 -64.6 359 3 594.3 594.3 320.3 594.3 0.00 62 20 26130 -64.5 -91.5 1 27.0 -65.3 270 7 638.7 638.7 322.3 638.8 0.00 63 15 27886 -64.9 -91.9 1 27.0 -65.8 287 13 692.2 692.2 324.2 692.2 0.01 64 12 29250 -64.3 -91.3 1 27.0 -65.5 302 25 739.9 739.9 325.7 740.0 0.01 TRP 189 12260 -68.9 -73.5 51 4.6 -68.9 30 56 328.9 328.9 291.4 329.0 0.01 WND 195 12073 -67.7 -72.5 50 4.8 -67.7 30 61 327.9 327.9 291.2 328.0 0.01 Sounding variables and indices 1000-500 mb thick: 5449.00 m Freezing level: Surface below freezing Freezing level: 919.29 mb = 935.41 m = 3068.88 ft Freezing level: 878.71 mb = 1302.57 m = 4273.47 ft Freezing level: 814.00 mb = 1908.61 m = 6261.77 ft Freezing level: 762.20 mb = 2434.99 m = 7988.70 ft Wetbulb zero: Below ground Precipitable water: 0.20 inches Sfc-500 mean rel hum: 20.40 % Est. max temperature: 12.61 C = 54.69 F Sfc-Lift cond lev (LCL): 963.65 mb = 565.07 m = 1853.89 ft T: -3.85 C 700-500 lapse rate: 5.67 C/km ThetaE index: 1.85 C Layer 745.0- 741.0 mb Conv cond level (CCL): 508.42 mb = 5594.39 m = 18354.08 ft Mean mixing ratio: 2.09 g/kg Conv temperature: 38.03 C = 100.45 F Cap Strength: 26.00 C Lifted Index: 25.96 C Risk: None Lifted Index @300 mb: 29.38 C Lifted Index @700 mb: 19.49 C Showalter Index: 20.74 C Risk: None Total Totals Index: 7.40 C Risk: None Vertical Totals Index: 17.20 C Cross Totals Index: -9.80 C K Index: -28.10 Risk: None Sweat Index: 33.00 Risk: None Energy Index: 5.56 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 52.12 J/kg Max Up Vert Vel: 10.21 m/s Conv Inhibition (B-): 56171.80 J/kg Cap Strength: 25.98 C Lift Cond Lev (LCL): 860.10 mb = 1468.40 m = 4817.51 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 41 at 9 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 ---------------------------------------------------------- 0 996 306 215 4 2.3 3.3 | 219 13 8.1 9.9 1 958 610 220 10 6.4 7.7 | 221 19 12.2 14.3 2 925 886 270 10 10.0 -0.0 | 247 17 15.8 6.6 3 922 914 275 9 9.0 -0.8 | 249 16 14.8 5.8 4 887 1219 260 6 5.9 1.0 | 237 14 11.7 7.6 5 850 1563 285 8 7.7 -2.1 | 252 14 13.5 4.5 6 822 1829 285 5 4.8 -1.3 | 244 12 10.6 5.3 7 791 2134 310 4 3.1 -2.6 | 246 10 8.9 4.0 8 762 2438 335 5 2.1 -4.5 | 255 8 7.9 2.1 9 733 2743 5 8 -0.7 -8.0 | 285 5 5.1 -1.4 10 706 3048 10 10 -1.7 -9.8 | 309 5 4.1 -3.3 11 700 3112 10 11 -1.9 -10.8 | 317 6 3.9 -4.2 12 652 3658 15 12 -3.1 -11.6 | 331 6 2.7 -5.0 13 627 3962 40 17 -10.9 -13.0 | 38 8 -5.1 -6.4 14 603 4267 40 17 -10.9 -13.0 | 38 8 -5.1 -6.4 15 580 4572 40 17 -10.9 -13.0 | 38 8 -5.1 -6.4 16 557 4877 20 16 -5.5 -15.0 | 358 8 0.3 -8.4 17 515 5486 20 16 -5.5 -15.0 | 358 8 0.3 -8.4 18 500 5720 20 17 -5.8 -16.0 | 360 9 0.0 -9.4 19 475 6096 20 17 -5.8 -16.0 | 360 9 0.0 -9.4 20 456 6401 40 23 -14.8 -17.6 | 39 14 -9.0 -11.0 21 400 7350 20 30 -10.3 -28.2 | 12 22 -4.4 -21.6 22 385 7620 20 33 -11.3 -31.0 | 13 25 -5.5 -24.4 23 323 8839 40 29 -18.6 -22.2 | 39 20 -12.8 -15.6 24 309 9144 40 35 -22.5 -26.8 | 40 26 -16.7 -20.2 25 300 9340 35 37 -21.2 -30.3 | 33 28 -15.4 -23.7 26 250 10530 25 48 -20.3 -43.5 | 21 40 -14.5 -36.9 27 245 10668 25 48 -20.3 -43.5 | 21 40 -14.5 -36.9 28 200 11920 25 59 -24.9 -53.5 | 22 51 -19.1 -46.9 29 195 12073 30 61 -30.5 -52.8 | 28 52 -24.7 -46.2 30 191 12192 30 61 -30.5 -52.8 | 28 52 -24.7 -46.2 31 189 12260 30 56 -28.0 -48.5 | 28 47 -22.2 -41.9 32 173 12802 15 54 -14.0 -52.2 | 10 46 -8.2 -45.6 33 165 13106 30 39 -19.5 -33.8 | 27 30 -13.7 -27.2 34 157 13411 30 36 -18.0 -31.2 | 26 27 -12.2 -24.6 35 150 13670 25 30 -12.7 -27.2 | 18 22 -6.9 -20.6 36 149 13716 15 35 -9.1 -33.8 | 7 27 -3.2 -27.2 37 142 14021 25 31 -13.1 -28.1 | 19 23 -7.3 -21.5 38 128 14630 10 30 -5.2 -29.5 | 358 23 0.6 -22.9 39 116 15240 25 23 -9.7 -20.8 | 15 15 -3.9 -14.2 40 111 15545 5 23 -2.0 -22.9 | 347 17 3.8 -16.3 41 105 15850 30 23 -11.5 -19.9 | 23 14 -5.7 -13.3 42 100 16180 5 19 -1.7 -18.9 | 341 13 4.2 -12.3 43 96 16459 5 19 -1.7 -18.9 | 341 13 4.2 -12.3 44 91 16764 25 15 -6.3 -13.6 | 4 7 -0.5 -7.0 45 87 17069 5 15 -1.3 -14.9 | 332 9 4.5 -8.3 46 83 17374 20 11 -3.8 -10.3 | 331 4 2.1 -3.7 47 79 17678 330 10 5.0 -8.7 | 281 11 10.8 -2.1 48 71 18288 345 15 3.9 -14.5 | 309 13 9.7 -7.9 49 70 18400 340 14 4.8 -13.2 | 302 12 10.6 -6.6 50 68 18593 335 12 5.1 -10.9 | 291 12 10.9 -4.3 51 65 18898 5 14 -1.2 -13.9 | 328 9 4.6 -7.4 52 59 19507 315 11 7.8 -7.8 | 275 14 13.6 -1.2 53 56 19812 340 21 7.2 -19.7 | 315 18 13.0 -13.1 54 53 20117 360 16 -0.0 -16.0 | 328 11 5.8 -9.4 55 50 20490 350 12 2.1 -11.8 | 303 9 7.9 -5.2 56 46 21031 345 11 2.8 -10.6 | 295 10 8.7 -4.0 57 44 21336 350 12 2.1 -11.8 | 303 9 7.9 -5.2 58 41 21641 360 13 -0.0 -13.0 | 318 9 5.8 -6.4 59 39 21946 330 10 5.0 -8.7 | 281 11 10.8 -2.1 60 38 22250 355 10 0.9 -10.0 | 297 7 6.7 -3.4 61 36 22555 335 14 5.9 -12.7 | 297 13 11.7 -6.1 62 34 22860 345 18 4.7 -17.4 | 316 15 10.5 -10.8 63 32 23165 5 12 -1.0 -12.0 | 318 7 4.8 -5.4 64 31 23470 335 10 4.2 -9.1 | 284 10 10.0 -2.5 65 30 23640 20 10 -3.4 -9.4 | 319 4 2.4 -2.8 66 29 23774 10 17 -3.0 -16.7 | 344 11 2.9 -10.1 67 28 24079 20 10 -3.4 -9.4 | 319 4 2.4 -2.8 68 27 24384 355 1 0.1 -1.0 | 227 8 5.9 5.6 69 24 24994 15 10 -2.6 -9.7 | 313 4 3.2 -3.1 70 23 25298 290 10 9.4 -3.4 | 258 16 15.2 3.2 71 22 25603 285 12 11.6 -3.1 | 259 18 17.4 3.5 72 20 26130 270 7 7.0 -0.0 | 243 14 12.8 6.6 73 19 26213 335 11 4.6 -10.0 | 288 11 10.5 -3.4 74 18 26518 290 10 9.4 -3.4 | 258 16 15.2 3.2 75 13 27432 285 15 14.5 -3.9 | 262 20 20.3 2.7 76 12 27737 310 29 22.2 -18.6 | 293 31 28.0 -12.0 77 9 28346 300 19 16.5 -9.5 | 277 22 22.3 -2.9 78 7 29261 325 18 10.3 -14.7 | 297 18 16.1 -8.1 Wind Parameters Mean winds (0-6000m): 11.4 at 11.7 knts Storm direction: 41.4 at 8.8 knts Shear (0-3000m) pos: 2.6 neg: 0.0 tot: 2.6 10-3/s Storm rel Dir Shear (0-3000m): 102.8 deg Storm rel helicity (0-3000m) pos: 70.8 neg: -16.1 tot: 54.7 m^2/s^2 ave: 18.2 10^-3 m/s^2 rel: 0.45 Storm rel vorticity (0-3000m) horiz: 6.4 stream: 2.9 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 1.10 Bulk Shear: 47.53 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 ------------------------------------------------------------------------------- 500 228 8 224 17| 7.6 0.0 7.6| 31.4 0.0 31.4 62.7 0.53| 12.5 6.7 1000 247 8 234 16| 2.6 0.0 2.6| 45.7 -11.4 34.3 34.3 0.35| 10.1 3.6 1500 258 8 238 16| 1.9 0.0 1.9| 55.1 -16.1 39.0 26.0 0.33| 8.4 2.8 2000 265 7 240 15| 1.8 0.0 1.8| 58.1 -16.1 42.0 21.0 0.33| 7.2 2.4 2500 279 7 246 14| 2.5 0.0 2.5| 66.5 -16.1 50.4 20.2 0.41| 7.0 2.8 3000 301 7 257 12| 2.6 0.0 2.6| 70.8 -16.1 54.7 18.2 0.45| 6.4 2.9 4000 347 9 286 8| 2.7 0.0 2.7| 85.2 -16.1 69.0 17.3 0.55| 5.9 3.3 5000 6 11 310 6| 2.2 0.6 2.8| 85.2 -28.6 56.6 11.3 0.38| 5.4 2.0 6000 11 12 324 6| 2.2 0.5 2.8|101.2 -28.6 72.6 12.1 0.43| 5.1 2.2 Wrote GIF file: /home/apache/climate/data/raob//CYAH/skewt/CYAH.skewt.20251027.12.gif