UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042800.upa.cvt Date: 0000Z 28 APR 25 Searching for CYXS... Searching the city database file for: CYXS ... Date:0000Z 28 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 114 SFC 944 691 14.8 -7.2 21 22.0 5.4 315 2 292.7 293.2 281.3 299.8 2.35 2 925 773 12.4 -8.6 22 21.0 3.9 335 4 292.0 292.4 280.7 298.5 2.15 3 850 1472 5.4 -8.6 36 14.0 -0.0 315 6 291.8 292.2 280.8 298.8 2.35 4 796 2003 0.2 -9.8 47 10.0 -3.4 318 5 291.8 292.2 280.7 298.6 2.28 5 700 3017 -8.9 -12.2 77 3.3 -9.9 300 7 292.6 293.0 280.9 299.1 2.14 6 673 3319 -11.7 -13.8 84 2.1 -12.3 309 10 292.8 293.2 280.8 298.7 1.95 7 672 3331 -11.9 -13.9 85 2.0 -12.5 309 10 292.7 293.1 280.7 298.6 1.94 8 660 3468 -12.3 -16.1 73 3.8 -13.3 306 11 293.8 294.1 280.8 298.8 1.65 9 658 3492 -12.3 -20.3 51 8.0 -14.3 306 12 294.0 294.2 280.3 297.6 1.16 10 654 3538 -12.7 -18.7 61 6.0 -14.2 304 12 294.1 294.3 280.6 298.2 1.33 11 631 3811 -12.1 -26.1 30 14.0 -15.1 301 16 297.8 297.9 281.4 300.1 0.72 12 617 3982 -13.3 -29.3 25 16.0 -16.3 303 18 298.3 298.4 281.4 300.1 0.55 13 526 5178 -20.9 -32.9 33 12.0 -22.7 307 28 303.1 303.2 283.2 304.7 0.46 14 503 5506 -23.3 -30.3 53 7.0 -24.4 310 30 304.1 304.2 283.8 306.2 0.61 15 500 5550 -23.7 -31.7 48 8.0 -24.9 310 30 304.1 304.2 283.8 306.0 0.54 16 467 6046 -27.5 -35.5 46 8.0 -28.5 308 32 305.4 305.5 284.1 306.8 0.40 17 455 6234 -27.7 -57.7 4 30.0 -29.5 311 35 307.4 307.5 284.4 307.6 0.03 18 445 6394 -28.1 -44.1 20 16.0 -29.6 313 40 308.9 308.9 285.1 309.5 0.17 19 424 6739 -31.5 -43.5 30 12.0 -32.5 317 50 308.9 308.9 285.1 309.5 0.19 20 417 6857 -32.5 -45.5 26 13.0 -33.5 318 53 309.0 309.1 285.2 309.6 0.16 21 407 7028 -32.9 -55.9 8 23.0 -34.1 320 58 310.7 310.7 285.7 310.9 0.05 22 400 7150 -33.7 -49.7 18 16.0 -34.7 320 57 311.2 311.2 285.9 311.6 0.10 23 390 7326 -35.1 -48.1 25 13.0 -36.0 318 58 311.6 311.6 286.1 312.1 0.13 24 312 8841 -46.3 -60.3 19 14.0 -46.7 319 72 316.5 316.5 287.6 316.7 0.04 25 300 9100 -47.9 -61.9 18 14.0 -48.3 320 74 317.8 317.8 288.1 318.0 0.03 26 279 9574 -50.9 -65.7 16 14.8 -51.2 325 82 320.2 320.2 288.8 320.3 0.02 27 275 9668 -51.5 -66.5 15 15.0 -51.8 325 82 320.6 320.6 288.9 320.7 0.02 28 250 10280 -55.5 -65.5 28 10.0 -55.6 320 74 323.6 323.6 289.9 323.6 0.02 29 239 10567 -57.1 -67.1 27 10.0 -57.2 320 68 325.3 325.3 290.4 325.4 0.02 30 227 10893 -57.5 -70.5 18 13.0 -57.6 322 66 329.6 329.6 291.6 329.6 0.01 31 200 11700 -54.9 -79.9 3 25.0 -55.2 310 46 345.8 345.8 295.7 345.8 0.00 32 194 11895 -54.1 -81.1 2 27.0 -54.4 312 44 350.1 350.1 296.7 350.1 0.00 33 192 11962 -54.5 -81.5 2 27.0 -54.8 313 43 350.5 350.5 296.7 350.5 0.00 34 185 12200 -53.5 -82.5 2 29.0 -53.9 315 41 355.9 355.9 297.9 355.9 0.00 35 171 12706 -54.3 -83.3 2 29.0 -54.6 310 43 362.7 362.7 299.2 362.7 0.00 36 164 12975 -52.7 -83.7 1 31.0 -53.1 306 40 369.7 369.7 300.5 369.7 0.00 37 150 13550 -53.5 -83.5 1 30.0 -53.9 300 37 377.9 377.9 301.9 377.9 0.00 38 130 14469 -54.9 -84.9 1 30.0 -55.4 297 30 391.2 391.2 304.0 391.2 0.00 39 114 15312 -53.7 -84.7 1 31.0 -54.2 282 33 408.4 408.4 306.3 408.4 0.00 40 108 15659 -55.7 -85.7 1 30.0 -56.2 285 30 411.0 411.0 306.6 411.0 0.00 41 100 16150 -55.3 -85.3 1 30.0 -55.8 290 26 420.9 420.9 307.8 420.9 0.00 42 81 17491 -56.9 -86.9 1 30.0 -57.4 287 18 443.7 443.7 310.3 443.8 0.00 43 70 18420 -55.1 -86.1 1 31.0 -55.8 290 15 466.5 466.5 312.3 466.5 0.00 44 52 20327 -52.1 -85.1 1 33.0 -53.4 300 15 514.9 514.9 315.9 514.9 0.01 45 50 20580 -53.1 -86.1 1 33.0 -54.4 245 9 518.3 518.3 316.2 518.4 0.00 46 41 21858 -54.1 -86.1 1 32.0 -55.4 268 10 546.1 546.1 317.9 546.2 0.01 47 30 23870 -53.1 -86.1 1 33.0 -55.0 5 8 599.9 599.9 320.6 599.9 0.01 48 20 26500 -50.7 -85.7 1 35.0 -54.0 80 4 681.0 681.0 323.8 681.1 0.01 49 18 27184 -52.3 -86.3 1 34.0 -55.4 91 5 696.8 696.8 324.3 696.9 0.01 50 10 31040 -46.1 -84.1 1 38.0 -53.3 70 9 847.5 847.5 328.4 847.8 0.03 51 7.5 32966 -43.1 -83.1 0 40.0 -53.1 932.3 932.3 330.0 932.9 0.05 52 7.4 33056 -43.1 -83.1 0 40.0 -53.1 935.9 935.9 330.1 936.4 0.05 TRP 239 10567 -57.1 -67.1 27 10.0 -57.2 320 68 325.3 325.3 290.4 325.4 0.02 WND 279 9574 -50.9 -65.7 16 14.8 -51.2 325 82 320.2 320.2 288.8 320.3 0.02 Sounding variables and indices 1000-500 mb thick: 5436.00 m Freezing level: 793.89 mb = 2025.74 m = 6646.05 ft Wetbulb zero: 850.74 mb = 1464.79 m = 4805.68 ft Precipitable water: 0.31 inches Sfc-500 mean rel hum: 43.90 % Est. max temperature: 13.88 C = 56.99 F Sfc-Lift cond lev (LCL): 675.64 mb = 3289.39 m = 10791.84 ft T: -11.42 C 700-500 lapse rate: 5.84 C/km ThetaE index: 1.34 C Layer 925.0- 850.0 mb Conv cond level (CCL): 660.75 mb = 3459.80 m = 11350.93 ft Mean mixing ratio: 2.26 g/kg Conv temperature: 15.75 C = 60.34 F Cap Strength: 6.18 C Lifted Index: 6.16 C Risk: None Lifted Index @300 mb: 13.63 C Lifted Index @700 mb: 0.59 C Showalter Index: 6.10 C Risk: None Total Totals Index: 44.20 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 29.10 C Cross Totals Index: 15.10 C K Index: 17.20 Risk: < 20 % chance of thunderstorms Sweat Index: 42.00 Risk: None Energy Index: 1.45 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 5.08 J/kg Max Up Vert Vel: 3.19 m/s Conv Inhibition (B-): 55800.37 J/kg Cap Strength: 6.12 C Lift Cond Lev (LCL): 677.13 mb = 3272.45 m = 10736.24 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 338 at 13 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 ---------------------------------------------------------- 0 944 691 315 2 1.4 -1.4 | 162 12 -3.5 11.0 1 925 773 335 4 1.7 -3.6 | 160 9 -3.2 8.7 2 909 914 335 6 2.5 -5.4 | 161 7 -2.4 6.9 3 876 1219 340 7 2.4 -6.6 | 156 6 -2.5 5.8 4 850 1472 315 6 4.2 -4.2 | 175 8 -0.7 8.1 5 813 1829 340 4 1.4 -3.8 | 158 9 -3.6 8.6 6 782 2134 300 5 4.3 -2.5 | 176 10 -0.6 9.9 7 753 2438 260 6 5.9 1.0 | 184 13 1.0 13.4 8 725 2743 270 7 7.0 -0.0 | 189 13 2.1 12.4 9 700 3017 300 7 6.1 -3.5 | 187 9 1.1 8.9 10 669 3353 310 10 7.7 -6.4 | 205 7 2.7 5.9 11 643 3658 300 14 12.1 -7.0 | 233 9 7.2 5.4 12 593 4267 305 21 17.2 -12.0 | 268 12 12.3 0.3 13 569 4572 315 24 17.0 -17.0 | 291 13 12.0 -4.6 14 547 4877 305 26 21.3 -14.9 | 279 17 16.4 -2.5 15 500 5550 310 30 23.0 -19.3 | 291 19 18.0 -6.9 16 483 5791 300 34 29.4 -17.0 | 281 25 24.5 -4.6 17 463 6096 310 31 23.7 -19.9 | 292 20 18.8 -7.6 18 408 7010 320 58 37.3 -44.4 | 315 46 32.3 -32.1 19 400 7150 320 57 36.6 -43.7 | 315 45 31.7 -31.3 20 373 7620 315 61 43.1 -43.1 | 309 49 38.2 -30.8 21 300 9100 320 74 47.6 -56.7 | 316 61 42.6 -44.3 22 298 9144 320 71 45.6 -54.4 | 316 59 40.7 -42.0 23 279 9574 325 82 47.0 -67.2 | 322 69 42.1 -54.8 24 271 9754 325 82 47.0 -67.2 | 322 69 42.1 -54.8 25 250 10280 320 74 47.6 -56.7 | 316 61 42.6 -44.3 26 239 10567 320 68 43.7 -52.1 | 316 56 38.8 -39.7 27 235 10668 325 71 40.7 -58.2 | 322 58 35.8 -45.8 28 200 11700 310 46 35.2 -29.6 | 300 35 30.3 -17.2 29 185 12192 315 41 29.0 -29.0 | 305 29 24.1 -16.6 30 177 12497 300 45 39.0 -22.5 | 287 36 34.0 -10.1 31 169 12802 315 42 29.7 -29.7 | 305 30 24.8 -17.3 32 161 13106 300 38 32.9 -19.0 | 283 29 28.0 -6.6 33 150 13550 300 37 32.0 -18.5 | 283 28 27.1 -6.1 34 121 14935 295 27 24.5 -11.4 | 267 20 19.5 1.0 35 115 15240 280 34 33.5 -5.9 | 257 29 28.5 6.5 36 110 15545 290 29 27.3 -9.9 | 264 22 22.3 2.5 37 105 15850 275 31 30.9 -2.7 | 250 28 25.9 9.7 38 100 16150 290 26 24.4 -8.9 | 260 20 19.5 3.5 39 100 16154 305 27 22.1 -15.5 | 280 17 17.2 -3.1 40 95 16459 290 26 24.4 -8.9 | 260 20 19.5 3.5 41 91 16764 305 23 18.8 -13.2 | 273 14 13.9 -0.8 42 87 17069 290 20 18.8 -6.8 | 248 15 13.9 5.5 43 83 17374 300 20 17.3 -10.0 | 259 13 12.4 2.4 44 79 17678 265 15 14.9 1.3 | 216 17 10.0 13.7 45 75 17983 285 16 15.5 -4.1 | 232 13 10.5 8.2 46 70 18420 290 15 14.1 -5.1 | 232 12 9.2 7.2 47 65 18898 290 15 14.1 -5.1 | 232 12 9.2 7.2 48 62 19202 245 20 18.1 8.5 | 212 25 13.2 20.8 49 59 19507 300 14 12.1 -7.0 | 233 9 7.2 5.4 50 56 19812 265 15 14.9 1.3 | 216 17 10.0 13.7 51 54 20117 290 23 21.6 -7.9 | 255 17 16.7 4.5 52 51 20422 305 12 9.8 -6.9 | 222 7 4.9 5.5 53 50 20580 245 9 8.2 3.8 | 191 16 3.2 16.2 54 49 20726 270 6 6.0 -0.0 | 185 12 1.1 12.4 55 47 21031 280 10 9.8 -1.7 | 205 12 4.9 10.6 56 44 21336 285 8 7.7 -2.1 | 195 11 2.8 10.3 57 37 22555 245 13 11.8 5.5 | 201 19 6.8 17.9 58 35 22860 260 10 9.8 1.7 | 199 15 4.9 14.1 59 32 23470 235 10 8.2 5.7 | 190 18 3.3 18.1 60 30 23774 260 18 17.7 3.1 | 220 20 12.8 15.5 61 30 23870 5 8 -0.7 -8.0 | 128 7 -5.6 4.4 62 29 24079 335 10 4.2 -9.1 | 168 3 -0.7 3.3 63 26 24689 30 3 -1.5 -2.6 | 147 12 -6.4 9.8 64 20 26500 80 4 -3.9 -0.7 | 143 15 -8.9 11.7 65 17 27432 95 5 -5.0 0.4 | 142 16 -9.9 12.8 66 13 29566 0 0 -0.0 -0.0 | 158 13 -4.9 12.4 67 10 31040 70 9 -8.5 -3.1 | 125 16 -13.4 9.3 Wind Parameters Mean winds (0-6000m): 308.3 at 17.8 knts Storm direction: 338.3 at 13.3 knts Shear (0-3000m) pos: 1.8 neg: 1.8 tot: 3.6 10-3/s Storm rel Dir Shear (0-3000m): 73.5 deg Storm rel helicity (0-3000m) pos: 32.4 neg: -7.9 tot: 24.6 m^2/s^2 ave: 8.2 10^-3 m/s^2 rel: 0.35 Storm rel vorticity (0-3000m) horiz: 5.2 stream: 1.8 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.21 Bulk Shear: 23.79 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 ------------------------------------------------------------------------------- 500 335 5 160 8| 5.3 0.0 5.3| 0.3 -2.0 -1.7 -3.4 -0.14| 5.4 -0.8 1000 331 6 163 8| 2.7 1.2 3.8| 4.1 -5.6 -1.5 -1.5 -0.03| 5.0 -0.2 1500 328 5 165 8| 1.8 1.7 3.5| 12.5 -7.0 5.5 3.7 0.17| 4.9 0.8 2000 313 5 174 9| 1.3 2.1 3.4| 18.9 -7.0 11.9 5.9 0.24| 4.8 1.1 2500 307 6 178 9| 2.1 1.6 3.8| 22.2 -7.9 14.3 5.7 0.23| 4.9 1.1 3000 306 7 183 8| 1.8 1.8 3.6| 32.4 -7.9 24.6 8.2 0.35| 5.2 1.8 4000 307 10 206 7| 2.7 1.4 4.0| 64.3 -11.5 52.8 13.2 0.47| 5.6 2.6 5000 307 14 236 7| 2.1 1.9 4.0| 80.2 -29.5 50.7 10.1 0.37| 5.6 2.1 6000 308 18 261 9| 3.3 1.6 4.9|166.5 -40.2 126.3 21.0 0.37| 7.0 2.6 Wrote GIF file: /home/apache/climate/data/raob//CYXS/skewt/CYXS.skewt.20250428.00.gif