UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042900.upa.cvt Date: 0000Z 29 APR 25 Searching for CYXS... Searching the city database file for: CYXS ... Date:0000Z 29 APR 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 73 SFC 940 691 13.6 8.7 72 4.9 10.8 280 4 291.9 293.2 286.5 313.4 7.52 2 930 719 12.6 5.6 62 7.0 8.8 273 7 291.7 292.8 285.1 309.4 6.14 3 925 733 12.0 6.0 67 6.0 8.8 270 8 291.6 292.7 285.2 309.8 6.34 4 850 1434 5.8 3.7 86 2.1 4.7 275 17 292.2 293.3 285.0 309.2 5.88 5 847 1463 5.4 3.8 89 1.6 4.6 273 18 292.1 293.2 285.0 309.2 5.94 6 828 1648 5.0 -2.0 60 7.0 1.8 262 23 293.6 294.3 283.5 305.3 3.99 7 736 2595 -3.3 -7.3 74 4.0 -4.8 252 29 294.6 295.1 282.8 303.5 3.00 8 727 2692 -3.9 -6.7 81 2.8 -5.0 254 28 295.0 295.5 283.2 304.5 3.18 9 700 2990 -5.7 -8.9 78 3.2 -6.9 275 22 296.2 296.7 283.2 304.6 2.78 10 638 3708 -11.3 -18.3 56 7.0 -13.2 280 33 297.8 298.0 282.3 302.2 1.42 11 631 3793 -11.9 -21.9 43 10.0 -14.3 280 35 298.0 298.2 281.9 301.4 1.05 12 623 3890 -11.7 -29.7 21 18.0 -15.2 280 38 299.3 299.4 281.8 301.1 0.52 13 549 4852 -14.9 -53.9 2 39.0 -18.9 261 50 306.6 306.6 284.1 306.7 0.05 14 541 4963 -15.7 -48.7 4 33.0 -19.5 261 52 306.9 306.9 284.2 307.2 0.08 15 536 5032 -16.3 -30.3 29 14.0 -18.9 262 52 307.0 307.1 284.9 309.0 0.57 16 501 5535 -21.1 -29.1 49 8.0 -22.5 260 49 307.1 307.3 285.1 309.5 0.69 17 500 5550 -21.1 -29.1 49 8.0 -22.5 260 49 307.3 307.4 285.2 309.6 0.69 18 479 5866 -23.5 -36.5 29 13.0 -25.2 260 55 308.1 308.2 285.1 309.4 0.35 19 456 6224 -26.3 -37.3 35 11.0 -27.6 260 60 309.0 309.1 285.4 310.2 0.34 20 441 6465 -27.9 -45.9 16 18.0 -29.5 260 62 310.0 310.0 285.5 310.5 0.14 21 416 6882 -30.5 -36.5 56 6.0 -31.2 260 65 311.8 311.9 286.5 313.3 0.40 22 404 7090 -32.1 -37.1 61 5.0 -32.6 260 66 312.4 312.5 286.6 313.8 0.39 23 402 7125 -32.3 -39.3 50 7.0 -33.0 260 67 312.6 312.6 286.6 313.7 0.31 24 400 7160 -32.7 -38.7 55 6.0 -33.3 260 67 312.5 312.6 286.6 313.7 0.34 25 398 7195 -32.9 -37.4 64 4.5 -33.4 260 67 312.7 312.8 286.8 314.0 0.39 26 381 7501 -35.3 -38.3 74 3.0 -35.6 256 71 313.4 313.5 287.0 314.8 0.37 27 314 8818 -45.7 -48.6 72 2.9 -45.9 255 75 316.8 316.8 287.9 317.3 0.15 28 308 8946 -46.3 -50.8 60 4.5 -46.5 255 76 317.7 317.7 288.1 318.1 0.12 29 300 9120 -47.7 -51.2 67 3.5 -47.9 255 76 318.1 318.1 288.3 318.6 0.11 30 294 9253 -48.7 -51.7 71 3.0 -48.8 259 73 318.5 318.6 288.4 319.0 0.11 31 279 9596 -51.3 -55.9 58 4.6 -51.4 257 78 319.6 319.6 288.7 319.9 0.07 32 273 9737 -52.3 -56.8 58 4.5 -52.4 256 80 320.2 320.2 288.9 320.4 0.06 33 269 9832 -53.1 -57.6 58 4.4 -53.2 255 82 320.3 320.3 288.9 320.5 0.06 34 250 10300 -57.3 -61.4 60 4.1 -57.3 255 78 320.9 320.9 289.0 321.0 0.04 35 246 10402 -58.1 -61.5 65 3.4 -58.2 255 80 321.2 321.2 289.2 321.3 0.04 36 245 10427 -58.1 -61.0 69 2.9 -58.2 255 80 321.5 321.6 289.3 321.7 0.04 37 239 10583 -57.3 -67.3 27 10.0 -57.4 255 81 325.0 325.0 290.3 325.1 0.02 38 232 10771 -55.9 -72.9 10 17.0 -56.1 257 80 329.9 329.9 291.7 330.0 0.01 39 213 11316 -54.1 -76.1 5 22.0 -54.4 262 69 340.9 340.9 294.6 340.9 0.01 40 211 11376 -54.5 -77.5 4 23.0 -54.8 263 67 341.2 341.2 294.6 341.2 0.00 41 200 11720 -52.3 -80.3 2 28.0 -52.7 265 59 349.9 349.9 296.6 350.0 0.00 42 198 11785 -51.3 -81.3 2 30.0 -51.7 265 58 352.5 352.5 297.2 352.6 0.00 43 185 12227 -50.7 -81.7 1 31.0 -51.2 267 50 360.4 360.4 298.8 360.4 0.00 44 150 13580 -55.5 -84.5 2 29.0 -55.8 275 40 374.5 374.5 301.4 374.5 0.00 45 149 13622 -55.7 -84.7 1 29.0 -56.1 277 40 374.8 374.8 301.4 374.8 0.00 46 135 14253 -52.7 -84.7 1 32.0 -53.2 262 36 390.9 390.9 303.9 390.9 0.00 47 113 15397 -53.3 -85.3 1 32.0 -53.9 257 31 410.2 410.2 306.5 410.2 0.00 48 106 15806 -55.1 -86.1 1 31.0 -55.6 265 38 414.3 414.3 307.0 414.3 0.00 49 103 15990 -52.9 -84.9 1 32.0 -53.6 276 42 421.9 421.9 307.9 421.9 0.00 50 100 16180 -53.7 -85.7 1 32.0 -54.3 310 25 424.0 424.0 308.2 424.0 0.00 51 84 17290 -57.3 -86.3 1 29.0 -57.8 270 20 438.3 438.3 309.7 438.3 0.00 52 73 18182 -54.5 -86.5 1 32.0 -55.3 265 21 462.2 462.2 312.0 462.2 0.00 53 70 18450 -55.1 -86.1 1 31.0 -55.8 265 18 466.5 466.5 312.3 466.5 0.00 54 61 19324 -56.5 -87.5 1 31.0 -57.2 293 17 482.1 482.1 313.6 482.1 0.00 55 53 20224 -52.1 -85.1 1 33.0 -53.4 268 20 512.1 512.1 315.8 512.1 0.01 56 50 20600 -52.5 -85.5 1 33.0 -53.8 265 12 519.8 519.8 316.3 519.8 0.01 57 45 21281 -53.5 -86.5 1 33.0 -54.8 285 17 533.2 533.2 317.1 533.3 0.00 58 30 23900 -52.5 -86.5 1 34.0 -54.5 20 4 601.5 601.5 320.7 601.6 0.01 59 27 24582 -53.5 -86.5 1 33.0 -55.5 350 6 617.1 617.1 321.3 617.2 0.01 60 20 26530 -50.7 -85.7 1 35.0 -54.0 20 10 681.0 681.0 323.8 681.1 0.01 61 15 28415 -47.7 -85.7 0 38.0 -52.8 88 3 749.4 749.4 325.9 749.5 0.02 62 13 29354 -49.9 -85.9 1 36.0 -54.6 335 11 773.0 773.1 326.5 773.2 0.02 63 10 31080 -46.9 -85.9 0 39.0 -53.7 55 9 844.5 844.5 328.2 844.7 0.02 64 7.5 33013 -40.7 -81.7 0 41.0 -52.0 942.0 942.1 330.2 942.7 0.07 TRP 246 10402 -58.1 -61.5 65 3.4 -58.2 255 80 321.2 321.2 289.2 321.3 0.04 WND 269 9832 -53.1 -57.6 58 4.4 -53.2 255 82 320.3 320.3 288.9 320.5 0.06 Sounding variables and indices 1000-500 mb thick: 5477.00 m Freezing level: 772.58 mb = 2218.45 m = 7278.30 ft Wetbulb zero: 803.30 mb = 1891.58 m = 6205.89 ft Precipitable water: 0.54 inches Sfc-500 mean rel hum: 52.22 % Est. max temperature: 15.70 C = 60.26 F Sfc-Lift cond lev (LCL): 873.18 mb = 1210.97 m = 3972.94 ft T: 7.77 C 700-500 lapse rate: 6.02 C/km ThetaE index: 5.66 C Layer 828.0- 727.0 mb Conv cond level (CCL): 812.37 mb = 1801.37 m = 5909.93 ft Mean mixing ratio: 6.14 g/kg Conv temperature: 15.46 C = 59.82 F Cap Strength: 2.33 C Lifted Index: 1.50 C Risk: Showers probable Lifted Index @300 mb: 6.30 C Lifted Index @700 mb: -1.38 C Showalter Index: 1.73 C Risk: Showers probable Total Totals Index: 51.70 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 26.90 C Cross Totals Index: 24.80 C K Index: 27.40 Risk: 40-60 % chance of thunderstorms Sweat Index: 181.40 Risk: None Energy Index: 0.04 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 106.78 J/kg Max Up Vert Vel: 14.61 m/s Conv Inhibition (B-): 15.31 J/kg Cap Strength: 2.31 C Lift Cond Lev (LCL): 834.37 mb = 1585.59 m = 5202.00 ft Lev Free Conv (LFC): 779.37 mb = 2134.65 m = 7003.36 ft Equ Level (EL): 589.37 mb = 4312.17 m = 14147.36 ft B at Equ Level: 105.92 J/kg Max Parcel Lev (MPL): 469.37 mb = 6013.34 m = 19728.56 ft Wind level data Storm motion: 294 at 28 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 ---------------------------------------------------------- 0 940 691 280 4 3.9 -0.7 | 116 24 -21.3 10.3 1 925 733 270 8 8.0 -0.0 | 122 20 -17.3 11.0 2 905 914 285 9 8.7 -2.3 | 118 19 -16.6 8.7 3 872 1219 275 14 13.9 -1.2 | 131 15 -11.3 9.8 4 850 1434 275 17 16.9 -1.5 | 139 13 -8.3 9.5 5 809 1829 250 29 27.3 9.9 | 185 21 2.0 20.9 6 779 2134 250 30 28.2 10.3 | 188 21 2.9 21.3 7 750 2438 250 30 28.2 10.3 | 188 21 2.9 21.3 8 722 2743 255 28 27.0 7.2 | 186 18 1.8 18.2 9 700 2990 275 22 21.9 -1.9 | 160 10 -3.3 9.1 10 667 3353 270 21 21.0 -0.0 | 159 12 -4.3 11.0 11 641 3658 280 32 31.5 -5.6 | 229 8 6.3 5.4 12 616 3962 280 40 39.4 -6.9 | 254 15 14.1 4.1 13 592 4267 270 43 43.0 -0.0 | 238 21 17.7 11.0 14 546 4877 260 51 50.2 8.9 | 232 32 25.0 19.9 15 525 5182 265 54 53.8 4.7 | 241 33 28.5 15.7 16 500 5550 260 49 48.3 8.5 | 230 30 23.0 19.5 17 464 6096 260 59 58.1 10.2 | 237 39 32.8 21.2 18 400 7160 260 67 66.0 11.6 | 241 47 40.7 22.6 19 374 7620 255 73 70.5 18.9 | 237 54 45.2 29.9 20 300 9120 255 76 73.4 19.7 | 238 57 48.1 30.7 21 299 9144 260 71 69.9 12.3 | 242 50 44.7 23.3 22 269 9832 255 82 79.2 21.2 | 239 63 53.9 32.2 23 260 10058 255 82 79.2 21.2 | 239 63 53.9 32.2 24 250 10300 255 78 75.3 20.2 | 238 59 50.1 31.2 25 246 10402 255 80 77.3 20.7 | 239 61 52.0 31.7 26 236 10668 255 81 78.2 21.0 | 239 62 53.0 32.0 27 225 10973 260 77 75.8 13.4 | 244 56 50.6 24.4 28 200 11720 265 59 58.8 5.1 | 244 37 33.5 16.1 29 169 12802 270 40 40.0 -0.0 | 233 18 14.7 11.0 30 161 13106 270 43 43.0 -0.0 | 238 21 17.7 11.0 31 150 13580 275 40 39.8 -3.5 | 243 16 14.6 7.5 32 147 13716 280 39 38.4 -6.8 | 252 14 13.1 4.2 33 134 14326 260 36 35.5 6.3 | 211 20 10.2 17.2 34 127 14630 280 42 41.4 -7.3 | 257 17 16.1 3.7 35 121 14935 280 30 29.5 -5.2 | 216 7 4.3 5.8 36 116 15240 265 28 27.9 2.4 | 191 14 2.6 13.4 37 110 15545 250 33 31.0 11.3 | 194 23 5.7 22.3 38 100 16154 285 45 43.5 -11.6 | 272 18 18.2 -0.7 39 100 16180 310 25 19.2 -16.1 | 50 8 -6.1 -5.1 40 96 16459 310 25 19.2 -16.1 | 50 8 -6.1 -5.1 41 91 16764 280 26 25.6 -4.5 | 183 6 0.3 6.5 42 87 17069 295 21 19.0 -8.9 | 109 7 -6.2 2.1 43 83 17374 260 20 19.7 3.5 | 159 16 -5.6 14.5 44 79 17678 275 23 22.9 -2.0 | 165 9 -2.4 9.0 45 75 17983 265 23 22.9 2.0 | 170 13 -2.4 13.0 46 70 18450 265 18 17.9 1.6 | 150 15 -7.3 12.6 47 68 18593 285 15 14.5 -3.9 | 123 13 -10.8 7.1 48 65 18898 260 18 17.7 3.1 | 152 16 -7.5 14.1 49 62 19202 305 16 13.1 -9.2 | 99 12 -12.2 1.8 50 59 19507 275 18 17.9 -1.6 | 142 12 -7.3 9.4 51 57 19812 275 20 19.9 -1.7 | 150 11 -5.3 9.3 52 54 20117 255 23 22.2 6.0 | 170 17 -3.0 16.9 53 51 20422 290 15 14.1 -5.1 | 118 13 -11.2 5.9 54 50 20600 265 12 12.0 1.0 | 132 18 -13.3 12.0 55 49 20726 290 14 13.2 -4.8 | 117 14 -12.1 6.2 56 47 21031 265 12 12.0 1.0 | 132 18 -13.3 12.0 57 45 21336 290 18 16.9 -6.2 | 120 10 -8.3 4.8 58 43 21641 280 20 19.7 -3.5 | 143 9 -5.6 7.5 59 41 21946 300 16 13.9 -8.0 | 105 12 -11.4 3.0 60 39 22250 355 10 0.9 -10.0 | 92 24 -24.4 1.0 61 30 23900 20 4 -1.4 -3.8 | 105 28 -26.6 7.2 62 21 26213 280 10 9.8 -1.7 | 121 18 -15.4 9.3 63 20 26530 20 10 -3.4 -9.4 | 93 29 -28.7 1.6 64 19 26822 15 10 -2.6 -9.7 | 93 28 -27.9 1.3 65 18 27127 110 10 -9.4 3.4 | 113 38 -34.7 14.4 66 17 27432 120 6 -5.2 3.0 | 115 34 -30.5 14.0 67 14 28956 70 1 -0.9 -0.3 | 112 28 -26.2 10.7 68 13 29261 330 11 5.5 -9.5 | 94 20 -19.8 1.5 69 10 31080 55 9 -7.4 -5.2 | 100 33 -32.6 5.8 Wind Parameters Mean winds (0-6000m): 263.5 at 36.7 knts Storm direction: 293.5 at 27.6 knts Shear (0-3000m) pos: 2.8 neg: 4.6 tot: 7.4 10-3/s Storm rel Dir Shear (0-3000m): 117.6 deg Storm rel helicity (0-3000m) pos: 111.1 neg: -27.8 tot: 83.3 m^2/s^2 ave: 27.8 10^-3 m/s^2 rel: 0.41 Storm rel vorticity (0-3000m) horiz: 10.1 stream: 4.2 10^-3/s Energy-Hel index: 0.06 Bulk Rich Number: 1.04 Bulk Shear: 103.03 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 ------------------------------------------------------------------------------- 500 278 9 121 19| 0.0 9.8 9.8| 25.4 -4.9 20.5 41.0 0.40| 11.0 4.3 1000 273 13 131 16| 0.0 10.9 10.9| 65.2 -4.9 60.2 60.2 0.64| 12.3 7.9 1500 261 18 153 16| 0.0 9.1 9.1| 83.4 -4.9 78.5 52.3 0.62| 10.5 6.5 2000 258 21 163 16| 0.7 6.8 7.5| 83.4 -8.2 75.2 37.6 0.55| 8.6 4.8 2500 260 22 165 15| 2.7 5.5 8.1| 83.4 -27.7 55.7 22.3 0.28| 9.4 2.6 3000 263 22 167 14| 2.8 4.6 7.4|111.1 -27.8 83.3 27.8 0.41| 10.1 4.2 4000 266 27 188 13| 2.1 5.9 8.0|121.7 -61.6 60.1 15.0 0.27| 10.5 2.8 5000 265 32 206 15| 2.0 4.7 6.7|171.9-116.4 55.5 11.1 0.21| 10.1 2.1 6000 264 37 217 19| 1.7 4.9 6.5|219.8-116.4 103.4 17.2 0.23| 9.4 2.2 Wrote GIF file: /home/apache/climate/data/raob//CYXS/skewt/CYXS.skewt.20250429.00.gif