UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101200.upa.cvt Date: 0000Z 12 OCT 25 Searching for CYAH... Searching the city database file for: CYAH ... Date:0000Z 12 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 220 SFC 990 306 2.2 -1.5 76 3.7 0.7 185 2 276.1 276.7 274.3 285.6 3.46 2 925 847 -1.3 -4.4 79 3.1 -2.4 235 9 278.0 278.5 274.7 286.3 2.98 3 898 1082 -3.1 -5.0 87 1.9 -3.8 251 15 278.5 279.0 274.9 286.7 2.93 4 865 1378 -5.1 -8.0 80 2.9 -6.1 257 10 279.4 279.8 274.7 286.2 2.42 5 850 1516 -2.9 -18.9 28 16.0 -7.1 255 4 283.1 283.3 274.6 286.1 1.01 6 849 1525 -2.7 -19.7 26 17.0 -7.1 256 4 283.4 283.6 274.7 286.3 0.94 7 836 1648 -2.5 -18.5 28 16.0 -6.8 276 6 284.9 285.1 275.7 288.1 1.06 8 813 1868 -3.7 -19.7 28 16.0 -7.8 306 10 285.9 286.1 276.1 288.9 0.99 9 806 1937 -1.1 -22.1 19 21.0 -6.5 309 12 289.4 289.5 277.6 291.9 0.81 10 779 2207 -2.9 -14.9 39 12.0 -6.6 315 20 290.3 290.5 279.0 294.9 1.54 11 775 2248 -3.1 -12.1 50 9.0 -6.1 315 22 290.5 290.8 279.7 296.3 1.95 12 771 2289 -2.5 -6.0 77 3.5 -3.9 315 24 291.5 292.1 281.7 300.9 3.16 13 768 2320 -2.1 -4.9 81 2.8 -3.3 315 26 292.3 292.9 282.4 302.5 3.46 14 766 2341 -1.9 -4.8 81 2.9 -3.1 315 26 292.7 293.4 282.6 303.0 3.49 15 756 2445 -2.3 -5.4 79 3.1 -3.6 315 31 293.4 294.0 282.8 303.4 3.38 16 731 2712 -2.7 -3.7 93 1.0 -3.1 315 37 295.8 296.5 284.4 307.6 3.98 17 700 3054 -4.1 -6.5 83 2.4 -5.1 325 33 297.9 298.6 284.6 308.1 3.36 18 641 3745 -6.5 -9.0 82 2.5 -7.5 319 33 302.8 303.4 286.1 312.1 3.02 19 548 4952 -14.5 -15.2 94 0.7 -14.7 295 50 307.2 307.6 286.8 314.0 2.14 20 533 5162 -15.5 -17.7 83 2.2 -16.2 295 55 308.5 308.8 286.8 314.2 1.78 21 500 5640 -19.9 -20.2 97 0.3 -20.0 295 66 308.8 309.1 286.6 313.8 1.54 22 497 5685 -20.1 -20.7 95 0.6 -20.3 295 66 309.1 309.3 286.7 313.9 1.48 23 483 5896 -20.5 -33.5 30 13.0 -22.6 298 66 311.1 311.2 286.3 312.7 0.47 24 481 5927 -20.7 -32.7 33 12.0 -22.7 298 66 311.2 311.3 286.4 313.0 0.51 25 470 6097 -21.0 -40.6 15 19.6 -23.6 300 70 312.9 312.9 286.6 313.7 0.23 26 468 6129 -21.1 -42.1 13 21.0 -23.7 300 70 313.2 313.2 286.7 313.9 0.20 27 420 6919 -25.9 -46.9 12 21.0 -27.9 307 62 316.9 316.9 287.9 317.4 0.13 28 400 7270 -29.3 -47.3 16 18.0 -30.9 310 58 316.9 316.9 287.9 317.4 0.13 29 382 7597 -32.5 -47.5 21 15.0 -33.7 310 56 316.9 316.9 287.9 317.4 0.14 30 353 8150 -36.5 -46.5 35 10.0 -37.2 312 56 318.7 318.8 288.5 319.4 0.17 31 338 8450 -38.1 -55.1 15 17.0 -38.9 313 57 320.5 320.6 289.0 320.8 0.06 32 300 9260 -45.3 -54.3 36 9.0 -45.6 315 59 321.5 321.5 289.3 321.8 0.08 33 283 9646 -48.5 -55.5 44 7.0 -48.7 315 60 322.3 322.3 289.5 322.6 0.07 34 263 10124 -51.9 -60.9 33 9.0 -52.1 315 62 324.2 324.2 290.0 324.3 0.04 35 250 10450 -54.5 -61.5 42 7.0 -54.6 315 59 325.0 325.0 290.3 325.2 0.04 36 226 11087 -59.5 -65.5 46 6.0 -59.6 315 58 326.9 326.9 290.9 327.0 0.03 37 211 11515 -60.3 -68.3 34 8.0 -60.4 311 53 332.1 332.1 292.3 332.2 0.02 38 209 11575 -59.1 -68.1 30 9.0 -59.2 310 52 334.9 334.9 293.0 335.0 0.02 39 206 11665 -59.5 -66.5 40 7.0 -59.6 308 55 335.7 335.7 293.3 335.8 0.02 40 200 11850 -58.5 -68.5 27 10.0 -58.6 305 63 340.1 340.1 294.4 340.2 0.02 41 195 12010 -57.3 -74.3 10 17.0 -57.5 302 61 344.5 344.5 295.4 344.5 0.01 42 180 12517 -55.9 -78.9 4 23.0 -56.2 309 50 354.8 354.8 297.7 354.8 0.00 43 150 13670 -58.5 -82.5 3 24.0 -58.7 315 47 369.3 369.3 300.4 369.3 0.00 44 147 13797 -59.1 -83.1 3 24.0 -59.3 314 49 370.4 370.4 300.7 370.4 0.00 45 143 13970 -57.7 -83.7 2 26.0 -58.0 313 47 375.8 375.8 301.5 375.8 0.00 46 131 14519 -60.3 -84.3 3 24.0 -60.5 304 48 380.7 380.7 302.3 380.7 0.00 47 128 14663 -58.9 -84.9 2 26.0 -59.2 301 52 385.7 385.7 303.2 385.7 0.00 48 119 15120 -59.5 -85.5 2 26.0 -59.7 317 49 392.7 392.7 304.2 392.7 0.00 49 104 15963 -58.9 -85.9 2 27.0 -59.2 305 36 409.3 409.3 306.4 409.3 0.00 50 100 16210 -56.7 -85.7 1 29.0 -57.2 315 33 418.2 418.2 307.5 418.2 0.00 51 79 17712 -55.3 -86.3 1 31.0 -55.9 303 24 450.2 450.2 310.9 450.2 0.00 52 70 18480 -58.1 -87.1 1 29.0 -58.6 310 16 460.1 460.1 311.8 460.1 0.00 53 50 20580 -62.5 -88.5 2 26.0 -62.9 295 19 496.2 496.2 314.7 496.2 0.00 54 49 20704 -62.5 -89.5 1 27.0 -62.9 298 19 499.1 499.1 314.9 499.1 0.00 55 38 22273 -61.9 -89.9 1 28.0 -62.5 296 19 538.2 538.2 317.4 538.3 0.00 56 31 23543 -57.7 -88.7 1 31.0 -58.9 283 14 581.9 581.9 319.8 581.9 0.00 57 30 23750 -57.7 -87.7 1 30.0 -58.9 275 10 587.3 587.3 320.0 587.4 0.01 58 26 24648 -60.1 -90.1 1 30.0 -61.2 251 14 605.1 605.1 320.9 605.1 0.00 59 25 24895 -57.5 -88.5 1 31.0 -58.9 265 24 619.4 619.4 321.5 619.4 0.01 60 22 25695 -61.7 -89.7 1 28.0 -62.7 266 19 629.9 629.9 321.9 629.9 0.01 61 20 26290 -58.3 -89.3 1 31.0 -59.9 245 28 657.7 657.7 323.0 657.8 0.01 62 18 26955 -55.9 -87.9 1 32.0 -58.1 265 35 685.4 685.4 324.0 685.5 0.01 63 11 30114 -51.5 -86.5 1 35.0 -56.1 265 40 805.1 805.1 327.4 805.2 0.02 64 10 30730 -52.7 -86.7 1 34.0 -57.2 265 42 822.8 822.8 327.8 823.0 0.02 65 8.8 31554 -53.3 -86.3 1 33.0 -57.9 851.1 851.2 328.4 851.4 0.03 66 7.5 32590 -50.7 -85.7 1 35.0 -56.9 901.5 901.5 329.5 901.8 0.03 67 6.2 33823 -53.1 -87.1 1 34.0 -58.9 941.7 941.7 330.2 942.0 0.03 68 5.4 34726 -47.3 -84.3 1 37.0 -56.4 1005.4 1005.5 331.2 1006.1 0.06 69 4.4 36080 -47.5 -84.5 1 37.0 -57.4 1065.1 1065.2 332.2 1066.0 0.07 TRP 226 11087 -59.5 -65.5 46 6.0 -59.6 315 58 326.9 326.9 290.9 327.0 0.03 WND 470 6097 -21.0 -40.6 15 19.6 -23.6 300 70 312.9 312.9 286.6 313.7 0.23 Sounding variables and indices 1000-500 mb thick: 5420.00 m Freezing level: 949.14 mb = 646.06 m = 2119.58 ft Wetbulb zero: 975.62 mb = 422.58 m = 1386.39 ft Precipitable water: 0.53 inches Sfc-500 mean rel hum: 76.78 % Est. max temperature: 10.46 C = 50.82 F Sfc-Lift cond lev (LCL): 934.71 mb = 763.85 m = 2506.03 ft T: -0.76 C 700-500 lapse rate: 6.11 C/km ThetaE index: 0.54 C Layer 865.0- 849.0 mb Conv cond level (CCL): 873.25 mb = 1302.99 m = 4274.86 ft Mean mixing ratio: 3.11 g/kg Conv temperature: 5.22 C = 41.40 F Cap Strength: 19.58 C Lifted Index: 19.22 C Risk: None Lifted Index @300 mb: 25.08 C Lifted Index @700 mb: 14.10 C Showalter Index: 19.25 C Risk: None Total Totals Index: 18.00 C Risk: None Vertical Totals Index: 17.00 C Cross Totals Index: 1.00 C K Index: -4.30 Risk: None Sweat Index: 74.00 Risk: None Energy Index: 5.86 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 8.89 J/kg Max Up Vert Vel: 4.22 m/s Conv Inhibition (B-): 88288.93 J/kg Cap Strength: 19.53 C Lift Cond Lev (LCL): 895.44 mb = 1105.00 m = 3625.28 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 332 at 26 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 ---------------------------------------------------------- 0 990 306 185 2 0.2 2.0 | 154 28 -11.9 24.8 1 953 610 250 8 7.5 2.7 | 170 26 -4.6 25.5 2 925 847 235 9 7.4 5.2 | 170 28 -4.7 28.0 3 917 914 240 12 10.4 6.0 | 177 29 -1.7 28.8 4 882 1219 260 17 16.7 3.0 | 190 26 4.6 25.8 5 850 1516 255 4 3.9 1.0 | 161 25 -8.3 23.8 6 817 1829 305 9 7.4 -5.2 | 165 18 -4.7 17.7 7 786 2134 315 17 12.0 -12.0 | 179 11 -0.1 10.8 8 757 2438 315 31 21.9 -21.9 | 265 10 9.8 0.9 9 728 2743 315 38 26.9 -26.9 | 285 15 14.8 -4.1 10 701 3048 325 34 19.5 -27.9 | 304 9 7.4 -5.0 11 700 3054 325 33 18.9 -27.0 | 302 8 6.8 -4.2 12 673 3353 310 37 28.3 -23.8 | 273 16 16.2 -1.0 13 647 3658 320 32 20.6 -24.5 | 281 9 8.5 -1.7 14 598 4267 310 39 29.9 -25.1 | 277 18 17.8 -2.3 15 552 4877 295 49 44.4 -20.7 | 266 32 32.3 2.1 16 500 5640 295 66 59.8 -27.9 | 276 48 47.7 -5.1 17 470 6096 300 66 57.2 -33.0 | 283 46 45.0 -10.2 18 470 6097 300 70 60.6 -35.0 | 284 50 48.5 -12.2 19 400 7270 310 58 44.4 -37.3 | 294 35 32.3 -14.5 20 380 7620 310 56 42.9 -36.0 | 293 33 30.8 -13.2 21 305 9144 315 57 40.3 -40.3 | 302 33 28.2 -17.5 22 300 9260 315 59 41.7 -41.7 | 303 35 29.6 -18.9 23 253 10363 315 63 44.5 -44.5 | 304 39 32.4 -21.7 24 250 10450 315 59 41.7 -41.7 | 303 35 29.6 -18.9 25 242 10668 315 59 41.7 -41.7 | 303 35 29.6 -18.9 26 226 11087 315 58 41.0 -41.0 | 302 34 28.9 -18.2 27 209 11582 310 52 39.8 -33.4 | 291 30 27.7 -10.6 28 200 11850 305 63 51.6 -36.1 | 289 42 39.5 -13.3 29 199 11887 300 64 55.4 -32.0 | 282 44 43.3 -9.2 30 181 12497 310 50 38.3 -32.1 | 290 28 26.2 -9.3 31 172 12802 300 53 45.9 -26.5 | 276 34 33.8 -3.7 32 156 13411 300 54 46.8 -27.0 | 277 35 34.6 -4.2 33 150 13670 315 47 33.2 -33.2 | 296 24 21.1 -10.4 34 149 13716 315 50 35.4 -35.4 | 298 26 23.2 -12.5 35 135 14326 310 43 32.9 -27.6 | 283 21 20.8 -4.8 36 129 14630 300 51 44.2 -25.5 | 275 32 32.0 -2.7 37 123 14935 305 56 45.9 -32.1 | 285 35 33.8 -9.3 38 117 15240 325 44 25.2 -36.0 | 315 19 13.1 -13.2 39 106 15850 300 37 32.0 -18.5 | 258 20 19.9 4.3 40 100 16210 315 33 23.3 -23.3 | 273 11 11.2 -0.5 41 96 16459 315 33 23.3 -23.3 | 273 11 11.2 -0.5 42 83 17374 315 27 19.1 -19.1 | 242 8 7.0 3.7 43 79 17678 300 24 20.8 -12.0 | 219 14 8.7 10.8 44 76 17983 325 22 12.6 -18.0 | 186 5 0.5 4.8 45 70 18480 310 16 12.3 -10.3 | 181 13 0.1 12.5 46 69 18593 310 15 11.5 -9.6 | 177 13 -0.6 13.2 47 62 19202 300 18 15.6 -9.0 | 194 14 3.5 13.8 48 59 19507 335 15 6.3 -13.6 | 148 11 -5.8 9.2 49 57 19812 295 13 11.8 -5.5 | 179 17 -0.3 17.3 50 54 20117 295 18 16.3 -7.6 | 195 16 4.2 15.2 51 51 20422 330 14 7.0 -12.1 | 154 12 -5.1 10.7 52 50 20580 295 19 17.2 -8.0 | 199 16 5.1 14.8 53 46 21031 305 18 14.7 -10.3 | 192 13 2.6 12.5 54 44 21336 280 12 11.8 -2.1 | 179 21 -0.3 20.7 55 42 21641 270 16 16.0 -0.0 | 190 23 3.9 22.8 56 40 21946 310 25 19.2 -16.1 | 226 10 7.0 6.7 57 38 22250 295 19 17.2 -8.0 | 199 16 5.1 14.8 58 35 22860 310 27 20.7 -17.4 | 237 10 8.6 5.5 59 30 23750 275 10 10.0 -0.9 | 174 22 -2.2 21.9 60 30 23774 295 12 10.9 -5.1 | 176 18 -1.2 17.7 61 28 24079 265 14 13.9 1.2 | 184 24 1.8 24.0 62 27 24384 225 10 7.1 7.1 | 170 30 -5.0 29.9 63 26 24689 255 15 14.5 3.9 | 185 27 2.4 26.7 64 25 24994 270 29 29.0 -0.0 | 217 28 16.9 22.8 65 23 25298 260 21 20.7 3.6 | 198 28 8.6 26.5 66 20 26213 275 17 16.9 -1.5 | 193 22 4.8 21.3 67 20 26290 245 28 25.4 11.8 | 201 37 13.3 34.6 68 19 26518 245 28 25.4 11.8 | 201 37 13.3 34.6 69 18 26822 265 33 32.9 2.9 | 219 33 20.8 25.7 70 17 27432 265 40 39.8 3.5 | 227 38 27.7 26.3 71 16 27737 275 45 44.8 -3.9 | 240 38 32.7 18.9 72 13 29261 265 36 35.9 3.1 | 222 35 23.7 26.0 73 10 30730 265 42 41.8 3.7 | 228 40 29.7 26.5 Wind Parameters Mean winds (0-6000m): 302.0 at 34.4 knts Storm direction: 332.0 at 25.8 knts Shear (0-3000m) pos: 6.6 neg: 0.5 tot: 7.1 10-3/s Storm rel Dir Shear (0-3000m): 122.2 deg Storm rel helicity (0-3000m) pos: 201.6 neg: -96.6 tot: 104.9 m^2/s^2 ave: 35.0 10^-3 m/s^2 rel: 0.31 Storm rel vorticity (0-3000m) horiz: 14.1 stream: 4.4 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.07 Bulk Shear: 134.12 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 ------------------------------------------------------------------------------- 500 241 6 166 27| 8.0 0.0 8.0| 56.5 0.0 56.5 113.1 0.77| 10.4 8.0 1000 248 10 174 27| 6.6 0.0 6.6|125.5 -23.8 101.8 101.8 0.58| 12.2 7.0 1500 254 9 172 26| 3.3 0.0 3.3|135.3 -82.4 53.0 35.3 0.16| 13.4 2.2 2000 276 11 176 22| 6.8 0.0 6.8|164.8 -82.4 82.5 41.2 0.30| 14.4 4.4 2500 295 15 186 17| 7.9 0.0 7.9|193.7 -82.4 111.3 44.5 0.40| 14.3 5.7 3000 303 19 195 13| 6.6 0.5 7.1|201.6 -96.6 104.9 35.0 0.31| 14.1 4.4 4000 308 23 214 11| 4.7 1.3 5.9|205.8-103.4 102.4 25.6 0.26| 12.6 3.2 5000 304 28 238 13| 3.7 3.3 7.0|242.5-132.8 109.7 21.9 0.20| 12.5 2.5 6000 302 34 255 18| 4.1 2.7 6.9|375.6-132.8 242.8 40.5 0.25| 12.0 3.0 Wrote GIF file: /home/apache/climate/data/raob//CYAH/skewt/CYAH.skewt.20251012.00.gif