UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101800.upa.cvt Date: 0000Z 18 OCT 25 Searching for CYXS... Searching the city database file for: CYXS ... Date:0000Z 18 OCT 25 Station: CYXS WMO ident: 71896 Latitude: 53.88 Longitude: -122.68 Elevation: 691.00 ------------------------------------------------------------------------------- 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 106 SFC 943 691 10.4 -1.6 43 12.0 4.9 225 4 288.3 289.0 280.8 298.8 3.60 2 925 757 9.0 -3.0 43 12.0 3.7 235 12 288.5 289.1 280.5 298.1 3.31 3 850 1449 2.4 -4.6 60 7.0 -0.5 255 24 288.7 289.2 280.4 297.9 3.19 4 810 1836 -0.7 -7.7 59 7.0 -3.3 280 26 289.4 289.8 280.1 297.1 2.64 5 713 2837 -10.1 -10.1 100 0.0 -10.1 292 23 289.8 290.2 280.1 297.1 2.49 6 700 2979 -11.1 -11.1 100 0.0 -11.1 295 22 290.2 290.6 280.1 297.1 2.34 7 661 3418 -13.7 -14.2 96 0.5 -13.9 297 25 292.1 292.4 280.4 297.9 1.93 8 639 3674 -15.3 -16.0 94 0.7 -15.5 285 27 293.1 293.4 280.6 298.3 1.72 9 622 3878 -16.7 -21.0 69 4.3 -17.7 282 28 293.8 294.0 280.1 297.3 1.15 10 530 5060 -25.9 -27.1 90 1.2 -26.1 291 33 296.5 296.6 280.9 299.0 0.78 11 500 5480 -29.1 -32.4 73 3.3 -29.5 295 39 297.6 297.7 281.0 299.2 0.50 12 484 5711 -30.9 -35.8 62 4.9 -31.4 295 41 298.1 298.2 281.1 299.4 0.37 13 463 6022 -33.7 -37.5 69 3.8 -34.0 295 44 298.4 298.5 281.1 299.6 0.33 14 443 6329 -35.5 -38.3 75 2.8 -35.7 302 46 300.0 300.0 281.8 301.0 0.32 15 436 6440 -36.5 -42.5 54 6.0 -36.9 305 48 300.1 300.1 281.7 300.8 0.21 16 403 6979 -39.9 -43.4 69 3.5 -40.1 300 57 302.5 302.5 282.7 303.2 0.20 17 400 7030 -40.1 -45.1 59 5.0 -40.4 300 58 302.9 302.9 282.8 303.5 0.17 18 399 7047 -40.3 -48.3 42 8.0 -40.7 300 58 302.8 302.9 282.7 303.3 0.12 19 397 7081 -39.9 -55.9 17 16.0 -40.5 300 59 303.8 303.8 283.0 304.0 0.05 20 394 7133 -39.9 -50.9 30 11.0 -40.4 301 60 304.4 304.5 283.3 304.8 0.09 21 378 7417 -39.7 -58.7 11 19.0 -40.4 303 65 308.3 308.3 284.7 308.5 0.04 22 319 8568 -44.1 -63.1 10 19.0 -44.6 310 100 317.5 317.5 288.0 317.6 0.02 23 312 8717 -44.7 -63.7 10 19.0 -45.2 310 97 318.8 318.8 288.3 318.9 0.02 24 300 8980 -44.9 -67.9 6 23.0 -45.4 310 90 322.1 322.1 289.4 322.1 0.01 25 273 9612 -44.1 -69.1 5 25.0 -44.7 305 81 332.0 332.0 292.3 332.1 0.01 26 250 10200 -46.5 -69.5 6 23.0 -47.0 305 89 336.9 336.9 293.6 337.0 0.01 27 248 10253 -46.7 -70.7 5 24.0 -47.3 305 89 337.4 337.4 293.7 337.5 0.01 28 245 10334 -45.3 -71.3 4 26.0 -45.9 305 89 340.7 340.7 294.5 340.7 0.01 29 233 10667 -46.5 -72.5 4 26.0 -47.1 305 87 343.8 343.8 295.3 343.8 0.01 30 226 10870 -44.9 -70.9 4 26.0 -45.6 303 84 349.2 349.3 296.5 349.3 0.01 31 208 11420 -47.5 -72.5 4 25.0 -48.1 302 82 353.6 353.6 297.4 353.6 0.01 32 204 11549 -45.9 -72.9 3 27.0 -46.6 304 85 358.1 358.1 298.3 358.1 0.01 33 200 11680 -46.9 -73.9 3 27.0 -47.6 300 77 358.5 358.5 298.4 358.5 0.01 34 198 11747 -47.3 -74.3 3 27.0 -48.0 300 74 358.9 358.9 298.5 358.9 0.01 35 192 11952 -45.3 -74.3 2 29.0 -46.1 299 69 365.3 365.3 299.7 365.3 0.01 36 155 13374 -48.3 -76.3 2 28.0 -49.0 290 61 383.2 383.2 302.8 383.3 0.01 37 150 13590 -49.3 -78.3 2 29.0 -50.0 295 59 385.1 385.1 303.1 385.1 0.01 38 134 14319 -53.9 -80.9 2 27.0 -54.4 302 46 389.6 389.6 303.8 389.6 0.00 39 121 14968 -56.1 -82.1 2 26.0 -56.5 297 51 397.1 397.1 304.8 397.1 0.00 40 113 15405 -52.5 -80.5 2 28.0 -53.1 290 55 411.6 411.6 306.7 411.7 0.01 41 110 15578 -53.5 -81.5 2 28.0 -54.1 287 49 412.9 412.9 306.9 413.0 0.00 42 108 15696 -52.1 -81.1 2 29.0 -52.8 275 46 417.8 417.8 307.4 417.8 0.01 43 103 16000 -53.9 -81.9 2 28.0 -54.5 271 39 420.0 420.0 307.7 420.0 0.00 44 100 16190 -52.5 -81.5 2 29.0 -53.2 285 37 426.3 426.3 308.4 426.3 0.01 45 81 17527 -60.1 -85.1 2 25.0 -60.4 290 30 437.2 437.2 309.6 437.2 0.00 46 78 17764 -56.5 -84.5 2 28.0 -57.1 289 30 449.4 449.4 310.8 449.4 0.00 47 70 18450 -56.9 -84.9 2 28.0 -57.5 270 27 462.7 462.7 312.0 462.7 0.00 48 58 19630 -60.9 -86.9 2 26.0 -61.3 283 18 479.2 479.2 313.4 479.2 0.00 49 54 20077 -58.7 -86.7 2 28.0 -59.3 302 10 494.2 494.2 314.5 494.2 0.00 50 50 20560 -59.1 -86.1 2 27.0 -59.7 305 19 504.2 504.2 315.2 504.2 0.00 51 45 21218 -60.3 -87.3 2 27.0 -60.9 301 15 516.7 516.7 316.1 516.7 0.00 52 42 21651 -56.7 -85.7 1 29.0 -57.7 276 16 535.9 535.9 317.3 536.0 0.01 53 36 22617 -61.3 -88.3 2 27.0 -62.0 279 12 548.2 548.2 318.0 548.2 0.00 54 34 22975 -56.9 -86.9 1 30.0 -58.0 277 9 568.8 568.8 319.1 568.8 0.01 55 30 23760 -60.7 -87.7 2 27.0 -61.6 300 12 579.2 579.2 319.6 579.2 0.01 56 26 24650 -61.9 -88.9 2 27.0 -62.7 336 14 599.9 600.0 320.6 600.0 0.01 57 20 26290 -58.1 -87.1 1 29.0 -59.7 325 22 658.3 658.3 323.0 658.4 0.01 58 15 28096 -59.5 -88.5 1 29.0 -61.3 345 14 710.1 710.1 324.7 710.2 0.01 TRP 312 8717 -44.7 -63.7 10 19.0 -45.2 310 97 318.8 318.8 288.3 318.9 0.02 WND 319 8568 -44.1 -63.1 10 19.0 -44.6 310 100 317.5 317.5 288.0 317.6 0.02 Sounding variables and indices 1000-500 mb thick: 5374.00 m Freezing level: 819.03 mb = 1748.77 m = 5737.35 ft Wetbulb zero: 859.02 mb = 1362.58 m = 4470.35 ft Precipitable water: 0.40 inches Sfc-500 mean rel hum: 76.46 % Est. max temperature: 11.50 C = 52.69 F Sfc-Lift cond lev (LCL): 785.11 mb = 2081.21 m = 6828.04 ft T: -3.00 C 700-500 lapse rate: 7.20 C/km ThetaE index: 1.64 C Layer 925.0- 700.0 mb Conv cond level (CCL): 755.63 mb = 2381.61 m = 7813.58 ft Mean mixing ratio: 3.28 g/kg Conv temperature: 11.66 C = 52.99 F Cap Strength: 0.94 C Lifted Index: 1.23 C Risk: Showers probable Lifted Index @300 mb: 17.07 C Lifted Index @700 mb: -0.57 C Showalter Index: 1.29 C Risk: Showers probable Total Totals Index: 56.00 C Risk: Severe Thunderstorms probable Vertical Totals Index: 31.50 C Cross Totals Index: 24.50 C K Index: 26.90 Risk: 40-60 % chance of thunderstorms Sweat Index: 227.00 Risk: None Energy Index: 0.23 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 9.63 J/kg Max Up Vert Vel: 4.39 m/s Conv Inhibition (B-): 25.17 J/kg Cap Strength: 1.09 C Lift Cond Lev (LCL): 767.28 mb = 2261.45 m = 7419.37 ft Lev Free Conv (LFC): 732.28 mb = 2627.92 m = 8621.66 ft Equ Level (EL): 652.28 mb = 3518.26 m = 11542.71 ft B at Equ Level: 8.96 J/kg Max Parcel Lev (MPL): 602.28 mb = 4115.74 m = 13502.91 ft Wind level data Storm motion: 317 at 22 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 ---------------------------------------------------------- 0 943 691 225 4 2.8 2.8 | 147 23 -12.3 19.3 1 925 757 235 12 9.8 6.9 | 167 24 -5.3 23.4 2 907 914 245 20 18.1 8.5 | 187 25 3.0 24.9 3 874 1219 255 23 22.2 6.0 | 197 24 7.1 22.4 4 850 1449 255 24 23.2 6.2 | 199 24 8.0 22.7 5 842 1524 260 24 23.6 4.2 | 202 22 8.5 20.6 6 810 1829 280 26 25.6 -4.5 | 221 16 10.5 12.0 7 779 2134 280 26 25.6 -4.5 | 221 16 10.5 12.0 8 750 2438 285 24 23.2 -6.2 | 218 13 8.0 10.3 9 721 2743 290 24 22.6 -8.2 | 222 11 7.4 8.3 10 700 2979 295 22 19.9 -9.3 | 214 9 4.8 7.2 11 666 3353 300 24 20.8 -12.0 | 232 7 5.6 4.5 12 639 3658 285 27 26.1 -7.0 | 229 14 10.9 9.5 13 613 3962 280 29 28.6 -5.0 | 230 18 13.4 11.4 14 589 4267 280 27 26.6 -4.7 | 224 16 11.4 11.8 15 542 4877 290 30 28.2 -10.3 | 245 14 13.0 6.2 16 500 5480 295 39 35.3 -16.5 | 270 20 20.2 -0.0 17 458 6096 295 45 40.8 -19.0 | 276 26 25.6 -2.5 18 438 6401 305 47 38.5 -27.0 | 294 26 23.3 -10.5 19 400 7030 300 58 50.2 -29.0 | 290 37 35.1 -12.5 20 367 7620 305 69 56.5 -39.6 | 299 47 41.4 -23.1 21 319 8568 310 100 76.6 -64.3 | 308 78 61.5 -47.8 22 312 8717 310 97 74.3 -62.4 | 308 75 59.2 -45.9 23 306 8839 310 100 76.6 -64.3 | 308 78 61.5 -47.8 24 300 8980 310 90 68.9 -57.9 | 308 68 53.8 -41.4 25 293 9144 310 89 68.2 -57.2 | 308 67 53.0 -40.7 26 280 9449 305 79 64.7 -45.3 | 300 57 49.6 -28.8 27 250 10200 305 89 72.9 -51.0 | 301 67 57.8 -34.6 28 244 10363 305 89 72.9 -51.0 | 301 67 57.8 -34.6 29 233 10668 305 87 71.3 -49.9 | 301 65 56.1 -33.4 30 213 11278 300 78 67.5 -39.0 | 293 57 52.4 -22.5 31 203 11582 305 86 70.4 -49.3 | 301 64 55.3 -32.9 32 200 11680 300 77 66.7 -38.5 | 293 56 51.5 -22.0 33 194 11887 300 68 58.9 -34.0 | 292 47 43.7 -17.5 34 177 12497 295 74 67.1 -31.3 | 286 54 51.9 -14.8 35 169 12802 295 55 49.8 -23.2 | 281 35 34.7 -6.8 36 154 13411 290 61 57.3 -20.9 | 276 42 42.2 -4.4 37 150 13590 295 59 53.5 -24.9 | 282 39 38.3 -8.5 38 128 14630 305 40 32.8 -22.9 | 290 19 17.6 -6.5 39 116 15240 290 60 56.4 -20.5 | 276 41 41.2 -4.0 40 111 15545 290 50 47.0 -17.1 | 271 32 31.8 -0.6 41 105 15850 260 41 40.4 7.1 | 227 35 25.2 23.6 42 100 16190 285 37 35.7 -9.6 | 251 22 20.6 6.9 43 96 16459 285 37 35.7 -9.6 | 251 22 20.6 6.9 44 87 17069 305 27 22.1 -15.5 | 262 7 7.0 1.0 45 79 17678 285 31 29.9 -8.0 | 240 17 14.8 8.4 46 75 17983 300 27 23.4 -13.5 | 250 9 8.2 3.0 47 70 18450 270 27 27.0 -0.0 | 216 20 11.8 16.5 48 68 18593 290 27 25.4 -9.2 | 235 13 10.2 7.2 49 65 18898 265 27 26.9 2.4 | 212 22 11.7 18.8 50 59 19507 285 22 21.3 -5.7 | 210 12 6.1 10.8 51 56 19812 280 11 10.8 -1.9 | 163 15 -4.3 14.6 52 54 20117 305 10 8.2 -5.7 | 147 13 -7.0 10.7 53 51 20422 310 5 3.8 -3.2 | 140 17 -11.3 13.3 54 50 20560 305 19 15.6 -10.9 | 184 6 0.4 5.6 55 49 20726 295 20 18.1 -8.5 | 200 9 3.0 8.0 56 46 21031 320 11 7.1 -8.4 | 135 11 -8.1 8.0 57 44 21336 290 17 16.0 -5.8 | 184 11 0.8 10.7 58 42 21641 275 16 15.9 -1.4 | 183 15 0.8 15.1 59 40 21946 300 13 11.3 -6.5 | 159 11 -3.9 10.0 60 38 22250 310 12 9.2 -7.7 | 146 11 -6.0 8.8 61 36 22555 280 13 12.8 -2.3 | 171 14 -2.3 14.2 62 33 23165 275 7 7.0 -0.6 | 153 18 -8.2 15.9 63 31 23470 330 15 7.5 -13.0 | 114 8 -7.7 3.5 64 30 23760 300 12 10.4 -6.0 | 156 12 -4.8 10.5 65 30 23774 340 10 3.4 -9.4 | 121 14 -11.7 7.1 66 29 24079 325 10 5.7 -8.2 | 131 13 -9.4 8.3 67 27 24384 305 19 15.6 -10.9 | 184 6 0.4 5.6 68 26 24689 340 13 4.4 -12.2 | 112 12 -10.7 4.3 69 25 24994 195 10 2.6 9.7 | 154 29 -12.6 26.1 70 22 25603 305 12 9.8 -6.9 | 151 11 -5.3 9.6 71 21 25908 300 10 8.7 -5.0 | 151 13 -6.5 11.5 72 20 26213 300 10 8.7 -5.0 | 151 13 -6.5 11.5 73 20 26290 325 22 12.6 -18.0 | 59 3 -2.5 -1.5 74 17 26822 330 25 12.5 -21.7 | 27 6 -2.7 -5.2 75 15 27127 355 16 1.4 -15.9 | 92 14 -13.8 0.5 76 14 27432 320 9 5.8 -6.9 | 136 13 -9.4 9.6 77 13 27737 320 13 8.4 -10.0 | 134 9 -6.8 6.5 78 12 28042 295 13 11.8 -5.5 | 163 11 -3.4 11.0 79 11 28346 340 14 4.8 -13.2 | 108 11 -10.4 3.3 80 10 28651 330 11 5.5 -9.5 | 126 12 -9.7 6.9 Wind Parameters Mean winds (0-6000m): 287.4 at 29.8 knts Storm direction: 317.4 at 22.4 knts Shear (0-3000m) pos: 3.8 neg: 1.2 tot: 5.0 10-3/s Storm rel Dir Shear (0-3000m): 81.7 deg Storm rel helicity (0-3000m) pos: 182.0 neg: -7.3 tot: 174.7 m^2/s^2 ave: 58.2 10^-3 m/s^2 rel: 0.59 Storm rel vorticity (0-3000m) horiz: 8.7 stream: 5.1 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.17 Bulk Shear: 57.28 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 ------------------------------------------------------------------------------- 500 245 16 179 23| 19.9 0.0 19.9|128.7 0.0 128.7 257.4 0.98| 21.5 21.2 1000 253 20 190 23| 11.6 0.0 11.6|162.2 0.0 162.2 162.2 0.91| 14.9 13.6 1500 263 22 199 20| 8.1 0.0 8.1|175.2 -0.5 174.7 116.5 0.87| 11.5 10.0 2000 269 22 203 18| 5.8 0.0 5.8|176.9 -2.4 174.4 87.2 0.77| 9.7 7.5 2500 274 23 206 17| 4.6 0.0 4.6|179.6 -5.4 174.2 69.7 0.69| 8.7 6.0 3000 278 23 210 15| 3.8 1.2 5.0|182.0 -7.3 174.7 58.2 0.59| 8.7 5.1 4000 279 24 215 15| 3.2 1.2 4.4|196.9 -13.6 183.4 45.8 0.54| 7.6 4.1 5000 283 26 225 15| 3.9 0.9 4.8|242.2 -13.6 228.7 45.7 0.58| 7.4 4.3 6000 287 30 240 15| 4.3 0.8 5.1|305.2 -19.2 285.9 47.7 0.57| 7.7 4.4 Wrote GIF file: /home/apache/climate/data/raob//CYXS/skewt/CYXS.skewt.20251018.00.gif