UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120712.upa.cvt Date: 1200Z 7 DEC 25 Searching for CYXS... Searching the city database file for: CYXS ... Date:1200Z 7 DEC 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 72 SFC 937 691 -0.9 -0.9 100 0.0 -0.9 0 0 277.4 278.0 275.6 287.9 3.82 2 925 706 0.0 -1.2 92 1.2 -0.5 155 6 279.3 280.0 276.6 289.8 3.78 3 906 873 1.0 -2.3 79 3.3 -0.4 171 19 282.0 282.6 277.7 292.0 3.56 4 877 1134 -0.3 -3.4 80 3.1 -1.6 175 29 283.3 283.9 278.1 292.9 3.39 5 853 1357 0.2 -5.8 64 6.0 -2.1 183 26 286.1 286.6 278.9 294.5 2.90 6 850 1385 0.0 -6.0 64 6.0 -2.3 185 25 286.1 286.6 278.8 294.4 2.87 7 736 2518 -9.3 -10.0 95 0.7 -9.5 216 30 288.0 288.5 279.1 295.2 2.43 8 700 2904 -12.1 -12.8 95 0.7 -12.3 220 28 289.1 289.4 279.1 295.1 2.04 9 585 4251 -21.3 -23.6 82 2.3 -21.7 245 25 293.6 293.8 279.8 296.6 0.97 10 572 4417 -20.5 -22.8 82 2.3 -21.0 249 30 296.4 296.6 281.3 299.8 1.07 11 541 4827 -22.5 -24.3 85 1.8 -22.8 251 45 298.8 299.0 282.1 302.0 0.99 12 500 5400 -27.3 -28.9 86 1.6 -27.5 250 46 299.8 299.9 282.2 302.1 0.70 13 497 5443 -27.7 -29.1 88 1.4 -27.9 250 46 299.8 299.9 282.2 302.1 0.69 14 400 6960 -40.5 -44.7 64 4.2 -40.8 260 58 302.4 302.4 282.6 303.0 0.18 15 395 7046 -41.1 -45.9 60 4.8 -41.3 261 59 302.7 302.7 282.7 303.2 0.16 16 328 8285 -51.9 -56.7 56 4.8 -52.0 265 76 304.3 304.3 283.2 304.5 0.05 17 327 8305 -52.1 -56.8 57 4.7 -52.2 265 77 304.3 304.3 283.2 304.5 0.05 18 300 8860 -56.5 -61.4 54 4.9 -56.6 265 83 305.7 305.7 283.7 305.8 0.03 19 290 9074 -57.5 -61.8 58 4.3 -57.6 265 87 307.3 307.3 284.3 307.4 0.03 20 284 9206 -58.5 -64.5 46 6.0 -58.6 265 90 307.7 307.7 284.5 307.8 0.02 21 279 9317 -58.1 -61.1 68 3.0 -58.2 265 92 309.8 309.8 285.3 310.0 0.04 22 278 9340 -58.2 -61.6 65 3.4 -58.2 265 93 310.0 310.0 285.4 310.1 0.03 23 277 9363 -58.3 -62.1 62 3.8 -58.3 265 93 310.2 310.2 285.4 310.3 0.03 24 272 9477 -57.5 -76.5 7 19.0 -57.6 265 92 312.9 312.9 286.4 313.0 0.00 25 250 10010 -56.9 -71.9 13 15.0 -57.1 270 76 321.5 321.5 289.2 321.5 0.01 26 247 10086 -57.1 -72.1 13 15.0 -57.3 271 74 322.3 322.3 289.5 322.3 0.01 27 233 10458 -53.3 -77.3 4 24.0 -53.6 277 65 333.5 333.5 292.7 333.5 0.00 28 227 10626 -54.3 -78.3 4 24.0 -54.6 279 61 334.4 334.4 292.9 334.5 0.00 29 215 10975 -52.9 -79.9 2 27.0 -53.2 278 62 341.9 341.9 294.8 341.9 0.00 30 208 11188 -53.9 -79.9 3 26.0 -54.2 277 63 343.5 343.5 295.1 343.6 0.00 31 207 11219 -52.3 -80.3 2 28.0 -52.7 276 64 346.5 346.5 295.8 346.5 0.00 32 200 11440 -54.1 -80.1 3 26.0 -54.4 275 65 347.1 347.1 296.0 347.1 0.00 33 193 11667 -55.5 -80.5 3 25.0 -55.8 272 64 348.4 348.4 296.3 348.4 0.00 34 174 12330 -52.7 -82.7 1 30.0 -53.1 273 65 363.5 363.5 299.4 363.5 0.00 35 150 13280 -55.1 -85.1 1 30.0 -55.5 280 68 375.1 375.1 301.5 375.1 0.00 36 146 13452 -56.3 -85.3 1 29.0 -56.6 280 69 376.0 376.0 301.6 376.0 0.00 37 142 13628 -55.5 -84.5 2 29.0 -55.9 282 66 380.4 380.4 302.3 380.4 0.00 38 116 14908 -58.3 -86.3 2 28.0 -58.6 283 72 397.8 397.8 304.9 397.8 0.00 39 110 15244 -55.1 -86.1 1 31.0 -55.6 280 68 409.9 409.9 306.5 409.9 0.00 40 108 15361 -55.3 -86.3 1 31.0 -55.8 282 67 411.7 411.7 306.7 411.7 0.00 41 105 15543 -51.1 -86.1 1 35.0 -51.9 285 66 423.0 423.0 308.1 423.1 0.00 42 103 15668 -50.3 -85.3 1 35.0 -51.2 289 56 426.9 426.9 308.5 426.9 0.00 43 100 15860 -51.7 -84.7 1 33.0 -52.5 295 40 427.8 427.8 308.6 427.8 0.00 44 95 16193 -53.3 -86.3 1 33.0 -54.0 293 40 431.0 431.0 309.0 431.0 0.00 45 90 16543 -51.5 -85.5 1 34.0 -52.4 282 41 441.3 441.3 310.0 441.3 0.00 46 77 17548 -56.1 -87.1 1 31.0 -56.7 307 41 451.9 451.9 311.0 451.9 0.00 47 70 18160 -53.1 -87.1 1 34.0 -54.0 295 42 470.8 470.8 312.7 470.8 0.00 48 66 18540 -50.7 -86.7 1 36.0 -52.0 295 44 484.0 484.0 313.8 484.0 0.00 49 59 19263 -53.9 -86.9 1 33.0 -54.9 306 45 492.6 492.6 314.4 492.6 0.00 50 54 19830 -53.9 -87.9 1 34.0 -55.0 301 52 505.2 505.2 315.3 505.2 0.00 51 50 20330 -47.3 -85.3 1 38.0 -49.5 330 43 532.0 532.0 317.1 532.0 0.01 52 46 20879 -49.7 -86.7 1 37.0 -51.6 338 44 539.1 539.1 317.5 539.1 0.00 53 40 21803 -46.1 -85.1 0 39.0 -49.0 345 40 570.1 570.1 319.2 570.1 0.01 54 30 23680 -55.1 -89.1 1 34.0 -56.7 295 19 594.4 594.4 320.3 594.5 0.00 55 29 23897 -55.3 -89.3 1 34.0 -56.9 292 18 599.7 599.7 320.6 599.7 0.00 56 27 24356 -52.9 -88.9 1 36.0 -55.1 326 25 618.8 618.8 321.5 618.8 0.01 57 24 25111 -56.3 -89.3 1 33.0 -58.0 5 24 630.1 630.1 321.9 630.1 0.01 58 20 26280 -52.7 -89.7 0 37.0 -55.5 5 21 674.9 674.9 323.6 674.9 0.01 59 15 28134 -51.7 -88.7 0 37.0 -55.4 28 23 736.1 736.1 325.6 736.1 0.01 60 12 29569 -53.9 -89.9 0 36.0 -57.5 20 21 776.8 776.8 326.7 776.8 0.01 61 10 30750 -49.1 -87.1 0 38.0 -55.0 10 25 836.3 836.3 328.1 836.4 0.02 62 9.3 31226 -49.3 -87.3 0 38.0 -55.4 853.0 853.1 328.5 853.2 0.02 63 8.9 31517 -45.5 -84.5 0 39.0 -53.5 878.5 878.5 329.0 878.8 0.04 64 7.3 32831 -48.1 -87.1 0 39.0 -55.6 919.1 919.1 329.8 919.4 0.03 65 7.2 32922 -46.9 -85.9 0 39.0 -55.1 927.7 927.7 329.9 928.0 0.03 TRP 284 9206 -58.5 -64.5 46 6.0 -58.6 265 90 307.7 307.7 284.5 307.8 0.02 WND 278 9340 -58.2 -61.6 65 3.4 -58.2 265 93 310.0 310.0 285.4 310.1 0.03 Sounding variables and indices 1000-500 mb thick: 5328.00 m Freezing level: Surface below freezing Freezing level: 925.00 mb = 706.00 m = 2316.24 ft Freezing level: 883.69 mb = 1073.86 m = 3523.12 ft Freezing level: 862.60 mb = 1267.70 m = 4159.08 ft Freezing level: 850.00 mb = 1385.00 m = 4543.91 ft Wetbulb zero: Below ground Precipitable water: 0.40 inches Sfc-500 mean rel hum: 84.39 % Est. max temperature: 8.75 C = 47.74 F Sfc-Lift cond lev (LCL): 936.81 mb = 691.23 m = 2267.79 ft T: -0.89 C 700-500 lapse rate: 6.09 C/km ThetaE index: 0.01 C Layer 850.0- 736.0 mb Conv cond level (CCL): 787.32 mb = 1987.79 m = 6521.55 ft Mean mixing ratio: 3.36 g/kg Conv temperature: 8.74 C = 47.73 F Cap Strength: 7.01 C Lifted Index: 7.13 C Risk: None Lifted Index @300 mb: 9.46 C Lifted Index @700 mb: 1.94 C Showalter Index: 5.61 C Risk: None Total Totals Index: 48.60 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 27.30 C Cross Totals Index: 21.30 C K Index: 20.60 Risk: 20-40 % chance of thunderstorms Sweat Index: 234.29 Risk: None Energy Index: 1.52 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 17.66 J/kg Max Up Vert Vel: 5.94 m/s Conv Inhibition (B-): 74134.64 J/kg Cap Strength: 7.11 C Lift Cond Lev (LCL): 839.04 mb = 1487.15 m = 4879.03 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 268 at 25 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 ---------------------------------------------------------- 0 937 691 0 0 -0.0 -0.0 | 88 25 -25.0 -0.8 1 925 706 155 6 -2.5 5.4 | 99 28 -27.6 4.6 2 901 914 175 22 -1.9 21.9 | 128 34 -26.9 21.1 3 868 1219 175 32 -2.8 31.9 | 138 42 -27.8 31.0 4 850 1385 185 25 2.2 24.9 | 136 33 -22.8 24.1 5 803 1829 210 24 12.0 20.8 | 147 24 -13.0 19.9 6 772 2134 225 26 18.4 18.4 | 159 19 -6.6 17.5 7 743 2438 215 30 17.2 24.6 | 162 25 -7.8 23.7 8 715 2743 220 29 18.6 22.2 | 163 22 -6.4 21.4 9 700 2904 220 28 18.0 21.4 | 161 22 -7.0 20.6 10 687 3048 220 28 18.0 21.4 | 161 22 -7.0 20.6 11 632 3658 250 21 19.7 7.2 | 140 8 -5.3 6.3 12 582 4267 245 25 22.7 10.6 | 166 10 -2.4 9.7 13 559 4572 255 36 34.8 9.3 | 229 13 9.8 8.5 14 537 4877 250 47 44.2 16.1 | 231 24 19.1 15.2 15 500 5400 250 46 43.2 15.7 | 231 24 18.2 14.9 16 453 6096 255 50 48.3 12.9 | 243 26 23.3 12.1 17 400 6960 260 58 57.1 10.1 | 254 33 32.1 9.2 18 362 7620 265 69 68.7 6.0 | 263 44 43.7 5.2 19 300 8860 265 83 82.7 7.2 | 264 58 57.7 6.4 20 287 9144 265 88 87.7 7.7 | 264 63 62.6 6.8 21 284 9206 265 90 89.7 7.8 | 264 65 64.6 7.0 22 278 9340 265 93 92.6 8.1 | 264 68 67.6 7.3 23 273 9449 265 93 92.6 8.1 | 264 68 67.6 7.3 24 250 10010 270 76 76.0 -0.0 | 271 51 51.0 -0.8 25 226 10668 280 60 59.1 -10.4 | 288 36 34.1 -11.3 26 200 11440 275 65 64.8 -5.7 | 279 40 39.7 -6.5 27 186 11887 270 64 64.0 -0.0 | 271 39 39.0 -0.8 28 150 13280 280 68 67.0 -11.8 | 287 44 41.9 -12.6 29 147 13411 280 70 68.9 -12.2 | 286 46 43.9 -13.0 30 134 14021 285 59 57.0 -15.3 | 297 36 32.0 -16.1 31 121 14630 285 75 72.4 -19.4 | 293 52 47.4 -20.3 32 110 15240 280 68 67.0 -11.8 | 287 44 41.9 -12.6 33 105 15545 285 66 63.8 -17.1 | 295 43 38.7 -17.9 34 100 15860 295 40 36.3 -16.9 | 328 21 11.2 -17.7 35 96 16154 295 40 36.3 -16.9 | 328 21 11.2 -17.7 36 91 16459 280 40 39.4 -6.9 | 298 16 14.4 -7.8 37 83 17069 295 50 45.3 -21.1 | 317 30 20.3 -22.0 38 75 17678 310 38 29.1 -24.4 | 351 26 4.1 -25.3 39 70 18160 295 42 38.1 -17.7 | 325 23 13.0 -18.6 40 65 18593 295 44 39.9 -18.6 | 323 24 14.9 -19.4 41 62 18898 305 50 41.0 -28.7 | 332 34 15.9 -29.5 42 60 19202 310 46 35.2 -29.6 | 341 32 10.2 -30.4 43 57 19507 290 42 39.5 -14.4 | 316 21 14.4 -15.2 44 52 20117 310 60 46.0 -38.6 | 332 45 20.9 -39.4 45 50 20330 330 43 21.5 -37.2 | 5 38 -3.5 -38.1 46 49 20422 315 44 31.1 -31.1 | 349 33 6.1 -32.0 47 47 20726 340 43 14.7 -40.4 | 14 43 -10.3 -41.2 48 43 21336 330 49 24.5 -42.4 | 1 43 -0.5 -43.3 49 39 21946 350 37 6.4 -36.4 | 27 42 -18.6 -37.3 50 36 22555 355 45 3.9 -44.8 | 25 50 -21.1 -45.7 51 32 23165 10 18 -3.1 -17.7 | 57 34 -28.1 -18.6 52 31 23470 305 11 9.0 -6.3 | 66 18 -16.0 -7.2 53 30 23680 295 19 17.2 -8.0 | 41 12 -7.8 -8.9 54 28 24079 290 18 16.9 -6.2 | 49 11 -8.1 -7.0 55 27 24384 330 26 13.0 -22.5 | 27 26 -12.0 -23.4 56 24 24994 10 25 -4.3 -24.6 | 49 39 -29.4 -25.5 57 22 25603 345 21 5.4 -20.3 | 43 29 -19.6 -21.1 58 21 25908 360 27 -0.0 -27.0 | 42 37 -25.0 -27.8 59 20 26213 340 16 5.5 -15.0 | 51 25 -19.5 -15.9 60 20 26280 5 21 -1.8 -20.9 | 51 35 -26.8 -21.8 61 19 26518 10 23 -4.0 -22.7 | 51 37 -29.0 -23.5 62 18 27127 340 29 9.9 -27.3 | 28 32 -15.1 -28.1 63 17 27432 355 26 2.3 -25.9 | 40 35 -22.8 -26.7 64 15 28042 30 22 -11.0 -19.1 | 61 41 -36.0 -19.9 65 14 28651 15 30 -7.8 -29.0 | 48 44 -32.8 -29.8 66 13 28956 25 19 -8.0 -17.2 | 61 38 -33.0 -18.1 67 12 29566 20 21 -7.2 -19.7 | 57 38 -32.2 -20.6 68 11 29870 25 22 -9.3 -19.9 | 59 40 -34.3 -20.8 69 10 30750 10 25 -4.3 -24.6 | 49 39 -29.4 -25.5 Wind Parameters Mean winds (0-6000m): 238.1 at 33.4 knts Storm direction: 268.1 at 25.0 knts Shear (0-3000m) pos: 3.5 neg: 0.5 tot: 4.0 10-3/s Storm rel Dir Shear (0-3000m): 53.8 deg Storm rel helicity (0-3000m) pos: 300.6 neg: -23.3 tot: 277.3 m^2/s^2 ave: 92.4 10^-3 m/s^2 rel: 0.42 Storm rel vorticity (0-3000m) horiz: 13.6 stream: 5.7 10^-3/s Energy-Hel index: 0.03 Bulk Rich Number: 0.14 Bulk Shear: 122.56 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 ------------------------------------------------------------------------------- 500 173 18 122 32| 32.0 0.0 32.0|221.8 0.0 221.8 443.7 0.85| 32.7 27.7 1000 181 22 130 32| 12.5 0.0 12.5|256.2 -7.6 248.6 248.6 0.64| 24.2 15.6 1500 193 23 137 29| 9.2 0.0 9.2|293.0 -7.6 285.4 190.2 0.64| 19.6 12.5 2000 200 24 143 28| 6.9 0.8 7.7|300.0 -7.6 292.3 146.2 0.59| 16.4 9.7 2500 205 25 147 26| 5.0 0.6 5.6|300.6 -12.0 288.6 115.4 0.54| 14.2 7.6 3000 210 25 149 24| 3.5 0.5 4.0|300.6 -23.3 277.3 92.4 0.42| 13.6 5.7 4000 221 25 156 20| 4.7 0.8 5.5|344.3 -23.3 321.0 80.3 0.49| 12.9 6.3 5000 231 30 174 18| 3.9 1.3 5.2|358.7 -25.5 333.2 66.6 0.46| 11.4 5.3 6000 238 33 191 17| 4.0 1.1 5.1|409.6 -25.5 384.1 64.0 0.48| 10.3 5.0 Wrote GIF file: /home/apache/climate/data/raob//CYXS/skewt/CYXS.skewt.20251207.12.gif