UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042100.upa.cvt Date: 0000Z 21 APR 25 Searching for CYXS... Searching the city database file for: CYXS ... Date:0000Z 21 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 143 SFC 946 691 6.8 -1.2 57 8.0 3.2 275 6 284.4 285.1 279.0 294.9 3.70 2 940 717 5.0 -3.0 56 8.0 1.7 274 7 283.1 283.7 277.8 292.4 3.26 3 925 783 3.8 -3.2 60 7.0 0.9 270 11 283.2 283.8 277.9 292.5 3.26 4 850 1462 -2.3 -6.2 75 3.9 -3.7 310 11 283.7 284.2 277.6 291.8 2.83 5 798 1959 -6.7 -8.4 88 1.7 -7.3 311 7 284.2 284.7 277.4 291.5 2.54 6 737 2575 -11.1 -12.2 92 1.1 -11.4 305 12 285.9 286.3 277.6 291.9 2.03 7 700 2969 -14.1 -17.6 75 3.5 -15.0 310 13 286.9 287.1 277.2 291.0 1.37 8 661 3402 -17.3 -21.6 69 4.3 -18.2 260 17 288.0 288.2 277.2 291.2 1.03 9 652 3504 -17.7 -25.7 50 8.0 -19.1 260 17 288.7 288.8 277.2 290.9 0.72 10 623 3843 -20.7 -25.3 67 4.6 -21.5 255 19 289.0 289.2 277.4 291.5 0.78 11 601 4108 -22.3 -30.3 48 8.0 -23.4 246 19 290.2 290.3 277.6 291.8 0.51 12 562 4597 -26.7 -30.5 70 3.8 -27.2 235 21 290.6 290.7 277.8 292.3 0.54 13 546 4805 -28.3 -34.3 56 6.0 -29.0 231 22 291.1 291.2 277.8 292.4 0.38 14 500 5430 -33.7 -37.8 66 4.1 -34.0 240 18 292.0 292.0 278.1 292.9 0.29 15 496 5486 -34.3 -38.2 68 3.9 -34.6 245 19 291.9 291.9 278.0 292.8 0.29 16 481 5700 -36.1 -42.1 54 6.0 -36.5 242 18 292.2 292.3 278.1 292.9 0.20 17 459 6022 -39.1 -41.3 80 2.2 -39.2 236 16 292.4 292.5 278.2 293.2 0.22 18 451 6142 -39.7 -45.7 53 6.0 -40.0 237 17 293.2 293.2 278.4 293.6 0.14 19 400 6950 -45.7 -48.2 76 2.5 -45.8 255 17 295.6 295.6 279.6 296.0 0.12 20 394 7050 -46.5 -48.6 79 2.1 -46.6 255 18 295.8 295.9 279.7 296.2 0.12 21 386 7186 -47.1 -51.5 61 4.4 -47.2 255 18 296.8 296.8 280.0 297.1 0.09 22 374 7395 -48.7 -52.3 66 3.6 -48.8 258 20 297.4 297.4 280.3 297.6 0.08 23 364 7573 -49.1 -55.1 50 6.0 -49.3 263 23 299.1 299.1 281.0 299.4 0.06 24 352 7792 -50.1 -56.1 49 6.0 -50.3 272 27 300.7 300.7 281.7 300.9 0.05 25 348 7867 -50.3 -58.3 38 8.0 -50.5 275 28 301.4 301.4 282.0 301.5 0.04 26 340 8019 -49.5 -64.5 16 15.0 -49.8 283 29 304.5 304.5 283.2 304.6 0.02 27 326 8295 -48.5 -64.5 14 16.0 -48.8 291 28 309.5 309.6 285.2 309.6 0.02 28 300 8840 -49.5 -72.5 5 23.0 -49.8 300 25 315.6 315.6 287.3 315.6 0.01 29 273 9456 -51.1 -74.1 5 23.0 -51.4 300 24 321.9 321.9 289.3 321.9 0.01 30 250 10030 -50.7 -74.7 4 24.0 -51.1 285 28 330.7 330.7 291.9 330.7 0.01 31 219 10895 -48.9 -79.9 2 31.0 -49.4 304 31 346.2 346.2 295.8 346.2 0.00 32 200 11490 -49.5 -80.5 1 31.0 -50.0 295 28 354.4 354.4 297.5 354.4 0.00 33 193 11722 -50.7 -81.7 1 31.0 -51.2 294 28 356.1 356.1 297.9 356.1 0.00 34 150 13360 -50.3 -83.3 1 33.0 -50.9 295 21 383.4 383.4 302.8 383.4 0.00 35 125 14550 -51.1 -84.1 1 33.0 -51.8 280 23 402.5 402.5 305.5 402.5 0.00 36 105 15690 -48.9 -82.9 1 34.0 -49.9 273 18 427.2 427.2 308.5 427.3 0.00 37 100 16010 -50.7 -84.7 1 34.0 -51.5 270 7 429.8 429.8 308.8 429.8 0.00 38 93 16481 -51.9 -84.9 1 33.0 -52.7 285 15 436.4 436.4 309.5 436.4 0.00 39 82 17301 -49.7 -84.7 1 35.0 -50.8 268 10 456.9 456.9 311.5 456.9 0.00 40 70 18330 -52.5 -85.5 1 33.0 -53.5 225 2 472.1 472.1 312.8 472.1 0.00 41 50 20510 -53.1 -86.1 1 33.0 -54.4 285 13 518.3 518.3 316.2 518.4 0.00 42 47 20908 -53.5 -86.5 1 33.0 -54.8 300 12 526.6 526.6 316.7 526.7 0.00 43 33 23199 -49.7 -85.7 1 36.0 -52.2 22 2 592.8 592.8 320.3 592.8 0.01 44 30 23820 -51.1 -86.1 1 35.0 -53.4 65 1 605.3 605.3 320.9 605.4 0.01 45 25 25001 -52.1 -87.1 1 35.0 -54.5 52 10 634.9 634.9 322.1 634.9 0.01 46 21 26139 -47.9 -85.9 0 38.0 -51.9 105 10 680.0 680.0 323.8 680.1 0.01 47 20 26460 -48.5 -85.5 1 37.0 -52.5 125 8 687.7 687.7 324.0 687.8 0.01 48 17 27533 -47.7 -85.7 0 38.0 -52.4 170 12 723.0 723.0 325.1 723.1 0.01 49 13 29298 -49.7 -86.7 1 37.0 -54.5 19 2 773.7 773.7 326.5 773.9 0.02 50 10 31030 -46.1 -85.1 0 39.0 -53.3 115 12 847.5 847.5 328.4 847.7 0.03 51 8.6 32033 -46.1 -85.1 0 39.0 -53.9 884.8 884.8 329.1 885.1 0.03 52 7.2 33227 -41.3 -82.3 0 41.0 -52.4 950.6 950.7 330.4 951.3 0.06 TRP 348 7867 -50.3 -58.3 38 8.0 -50.5 275 28 301.4 301.4 282.0 301.5 0.04 WND Sounding variables and indices 1000-500 mb thick: 5287.00 m Freezing level: 878.28 mb = 1205.98 m = 3956.59 ft Wetbulb zero: 910.44 mb = 910.41 m = 2986.88 ft Precipitable water: 0.32 inches Sfc-500 mean rel hum: 69.58 % Est. max temperature: 6.64 C = 43.95 F Sfc-Lift cond lev (LCL): 836.60 mb = 1587.17 m = 5207.19 ft T: -3.41 C 700-500 lapse rate: 7.96 C/km ThetaE index: 2.58 C Layer 940.0- 925.0 mb Conv cond level (CCL): 809.58 mb = 1845.84 m = 6055.85 ft Mean mixing ratio: 3.09 g/kg Conv temperature: 6.49 C = 43.68 F Cap Strength: 0.82 C Lifted Index: 0.85 C Risk: Showers probable Lifted Index @300 mb: 16.57 C Lifted Index @700 mb: 0.06 C Showalter Index: 1.14 C Risk: Showers probable Total Totals Index: 58.90 C Risk: Severe Thunderstorms probable Vertical Totals Index: 31.40 C Cross Totals Index: 27.50 C K Index: 21.70 Risk: 20-40 % chance of thunderstorms Sweat Index: 238.00 Risk: None Energy Index: 0.20 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 0.67 J/kg Max Up Vert Vel: 1.16 m/s Conv Inhibition (B-): 81616.86 J/kg Cap Strength: 0.96 C Lift Cond Lev (LCL): 817.40 mb = 1770.13 m = 5807.46 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 289 at 12 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 ---------------------------------------------------------- 0 946 691 275 6 6.0 -0.5 | 123 6 -5.1 3.3 1 925 783 270 11 11.0 -0.0 | 179 4 -0.1 3.8 2 910 914 290 12 11.3 -4.1 | 324 0 0.2 -0.3 3 876 1219 300 12 10.4 -6.0 | 17 2 -0.7 -2.2 4 850 1462 310 11 8.4 -7.1 | 39 4 -2.6 -3.3 5 811 1829 315 6 4.2 -4.2 | 86 7 -6.8 -0.4 6 780 2134 305 8 6.6 -4.6 | 80 5 -4.5 -0.8 7 750 2438 305 12 9.8 -6.9 | 22 3 -1.2 -3.1 8 721 2743 305 12 9.8 -6.9 | 22 3 -1.2 -3.1 9 700 2969 310 13 10.0 -8.4 | 13 5 -1.1 -4.6 10 692 3048 305 13 10.6 -7.5 | 6 4 -0.4 -3.7 11 664 3353 260 17 16.7 3.0 | 220 9 5.7 6.7 12 637 3658 260 18 17.7 3.1 | 224 10 6.7 6.9 13 586 4267 240 20 17.3 10.0 | 204 15 6.3 13.8 14 539 4877 230 22 16.9 14.1 | 198 19 5.8 17.9 15 500 5430 240 18 15.6 9.0 | 200 14 4.5 12.8 16 496 5486 245 19 17.2 8.0 | 208 13 6.2 11.8 17 453 6096 235 16 13.1 9.2 | 189 13 2.1 13.0 18 434 6401 255 21 20.3 5.4 | 225 13 9.2 9.2 19 400 6950 255 17 16.4 4.4 | 213 10 5.4 8.2 20 378 7315 255 19 18.4 4.9 | 220 11 7.3 8.7 21 361 7620 265 24 23.9 2.1 | 245 14 12.9 5.9 22 348 7867 275 28 27.9 -2.4 | 265 17 16.8 1.4 23 345 7925 280 29 28.6 -5.0 | 274 18 17.5 -1.2 24 329 8230 290 28 26.3 -9.6 | 291 16 15.3 -5.8 25 300 8840 300 25 21.7 -12.5 | 309 14 10.6 -8.7 26 286 9144 300 25 21.7 -12.5 | 309 14 10.6 -8.7 27 261 9754 300 23 19.9 -11.5 | 311 12 8.9 -7.7 28 250 10030 285 28 27.0 -7.2 | 282 16 16.0 -3.4 29 249 10058 295 35 31.7 -14.8 | 298 23 20.7 -11.0 30 238 10363 285 28 27.0 -7.2 | 282 16 16.0 -3.4 31 227 10668 300 32 27.7 -16.0 | 306 21 16.7 -12.2 32 216 10973 305 31 25.4 -17.8 | 314 20 14.3 -14.0 33 200 11490 295 28 25.4 -11.8 | 299 16 14.3 -8.0 34 197 11582 295 27 24.5 -11.4 | 300 15 13.4 -7.6 35 171 12497 290 34 31.9 -11.6 | 291 22 20.9 -7.8 36 163 12802 295 34 30.8 -14.4 | 298 22 19.8 -10.6 37 150 13360 295 21 19.0 -8.9 | 302 9 8.0 -5.1 38 149 13411 310 26 19.9 -16.7 | 326 16 8.9 -12.9 39 142 13716 290 23 21.6 -7.9 | 291 11 10.6 -4.1 40 136 14021 315 19 13.4 -13.4 | 346 10 2.4 -9.6 41 124 14630 275 24 23.9 -2.1 | 262 13 12.9 1.7 42 118 14935 290 27 25.4 -9.2 | 291 15 14.3 -5.4 43 113 15240 290 22 20.7 -7.5 | 291 10 9.6 -3.7 44 107 15545 275 23 22.9 -2.0 | 261 12 11.9 1.8 45 100 16010 270 7 7.0 -0.0 | 133 6 -4.1 3.8 46 98 16154 315 10 7.1 -7.1 | 51 5 -4.0 -3.3 47 89 16764 260 20 19.7 3.5 | 230 11 8.6 7.3 48 85 17069 310 11 8.4 -7.1 | 39 4 -2.6 -3.3 49 81 17374 255 10 9.7 2.6 | 168 7 -1.4 6.4 50 70 18330 225 2 1.4 1.4 | 118 11 -9.6 5.2 51 67 18593 275 1 1.0 -0.1 | 110 11 -10.1 3.7 52 61 19202 210 11 5.5 9.5 | 157 14 -5.6 13.3 53 58 19507 250 16 15.0 5.5 | 203 10 4.0 9.3 54 56 19812 250 19 17.9 6.5 | 213 12 6.8 10.3 55 50 20510 285 13 12.6 -3.4 | 254 2 1.5 0.4 56 44 21336 315 10 7.1 -7.1 | 51 5 -4.0 -3.3 57 42 21641 330 13 6.5 -11.3 | 31 9 -4.6 -7.5 58 40 21946 90 11 -11.0 0.0 | 100 22 -22.1 3.8 59 38 22250 100 10 -9.8 1.7 | 105 22 -20.9 5.5 60 32 23470 0 0 -0.0 -0.0 | 109 12 -11.1 3.8 61 30 23820 65 1 -0.9 -0.4 | 106 12 -12.0 3.4 62 25 24994 50 10 -7.7 -6.4 | 82 19 -18.7 -2.6 63 24 25298 85 15 -14.9 -1.3 | 95 26 -26.0 2.5 64 22 25908 90 12 -12.0 0.0 | 99 23 -23.1 3.8 65 20 26460 125 8 -6.6 4.6 | 115 20 -17.6 8.4 66 18 27127 145 10 -5.7 8.2 | 126 21 -16.8 12.0 67 17 27432 175 11 -1.0 11.0 | 141 19 -12.0 14.8 68 16 27737 160 13 -4.4 12.2 | 136 22 -15.5 16.0 69 14 28956 0 0 -0.0 -0.0 | 109 12 -11.1 3.8 70 10 31030 115 12 -10.9 5.1 | 112 24 -21.9 8.9 Wind Parameters Mean winds (0-6000m): 259.0 at 15.6 knts Storm direction: 289.0 at 11.7 knts Shear (0-3000m) pos: 0.8 neg: 2.6 tot: 3.4 10-3/s Storm rel Dir Shear (0-3000m): 99.9 deg Storm rel helicity (0-3000m) pos: 12.7 neg: -15.4 tot: -2.8 m^2/s^2 ave: -0.9 10^-3 m/s^2 rel: -0.04 Storm rel vorticity (0-3000m) horiz: 7.0 stream: -0.3 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.09 Bulk Shear: 7.78 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 ------------------------------------------------------------------------------- 500 286 11 143 1| 7.2 0.0 7.2| 5.3 0.0 5.3 10.5 0.69| 12.1 8.3 1000 296 11 59 2| 2.5 0.0 2.5| 9.7 0.0 9.7 9.7 0.70| 8.9 6.2 1500 299 10 73 3| 1.7 0.5 2.2| 11.7 -1.4 10.3 6.9 0.57| 7.3 4.2 2000 301 10 63 3| 1.3 1.1 2.4| 11.7 -4.1 7.5 3.8 0.37| 6.3 2.4 2500 301 11 50 3| 1.0 1.8 2.8| 11.7 -8.9 2.7 1.1 0.08| 6.7 0.5 3000 292 12 23 1| 0.8 2.6 3.4| 12.7 -15.4 -2.8 -0.9 -0.04| 7.0 -0.3 4000 274 14 223 4| 0.6 2.8 3.4| 12.7 -34.2 -21.5 -5.4 -0.14| 6.5 -0.9 5000 263 15 214 7| 1.0 2.2 3.2| 21.5 -42.2 -20.7 -4.1 -0.11| 6.1 -0.7 6000 259 16 212 8| 1.1 1.8 2.9| 48.3 -54.6 -6.2 -1.0 -0.03| 6.2 -0.2 Wrote GIF file: /home/apache/climate/data/raob//CYXS/skewt/CYXS.skewt.20250421.00.gif