UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121112.upa.cvt Date: 1200Z 11 DEC 25 Searching for CYXS... Searching the city database file for: CYXS ... Date:1200Z 11 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 140 SFC 942 691 -10.1 -13.6 75 3.5 -10.9 355 7 267.6 267.8 265.7 271.5 1.42 2 925 744 -11.9 -14.4 82 2.5 -12.5 345 9 267.1 267.4 265.3 270.9 1.35 3 886 1072 -13.9 -14.5 95 0.6 -14.0 280 14 268.4 268.6 266.2 272.3 1.40 4 880 1124 -12.5 -12.6 99 0.1 -12.5 263 16 270.4 270.6 268.0 274.9 1.65 5 876 1159 -9.3 -9.5 98 0.2 -9.4 252 17 274.0 274.4 271.1 279.9 2.12 6 866 1249 -3.7 -3.9 99 0.2 -3.8 242 22 280.8 281.3 276.7 290.0 3.30 7 850 1396 -3.3 -4.0 95 0.7 -3.6 270 34 282.7 283.3 277.7 292.2 3.34 8 837 1518 -3.9 -4.8 93 0.9 -4.3 270 35 283.3 283.9 277.9 292.4 3.19 9 817 1708 -5.3 -5.3 100 0.0 -5.3 276 37 283.8 284.3 278.0 292.8 3.15 10 730 2582 -11.5 -12.0 96 0.5 -11.6 275 35 286.3 286.7 277.9 292.4 2.08 11 700 2903 -13.3 -17.5 71 4.2 -14.3 270 41 287.8 288.0 277.6 291.9 1.38 12 697 2936 -13.5 -18.2 68 4.7 -14.6 270 41 287.9 288.1 277.6 291.8 1.31 13 645 3521 -18.5 -20.3 86 1.8 -18.9 270 37 288.7 288.9 277.8 292.3 1.18 14 622 3791 -20.7 -24.4 72 3.7 -21.4 272 33 289.2 289.3 277.6 291.8 0.85 15 618 3838 -21.1 -24.3 75 3.2 -21.7 273 33 289.2 289.4 277.6 291.9 0.87 16 616 3862 -21.3 -21.3 100 0.0 -21.3 273 33 289.3 289.5 278.0 292.8 1.13 17 602 4032 -22.7 -23.3 95 0.6 -22.8 272 32 289.6 289.7 277.9 292.6 0.97 18 598 4081 -22.5 -25.7 75 3.2 -23.0 270 32 290.4 290.5 278.0 292.8 0.79 19 581 4292 -24.1 -29.1 63 5.0 -24.8 260 34 290.9 291.0 278.0 292.8 0.59 20 580 4304 -23.5 -35.5 32 12.0 -24.9 261 35 291.7 291.8 278.0 292.8 0.32 21 577 4342 -22.9 -41.9 16 19.0 -24.8 263 36 292.9 292.9 278.3 293.4 0.17 22 562 4536 -23.3 -54.3 4 31.0 -25.5 272 45 294.6 294.6 279.0 294.8 0.04 23 500 5380 -30.3 -41.3 33 11.0 -31.2 280 45 296.1 296.1 279.9 296.8 0.21 24 497 5423 -30.7 -42.7 30 12.0 -31.6 280 43 296.1 296.1 279.9 296.7 0.18 25 495 5451 -30.1 -51.1 11 21.0 -31.4 280 42 297.2 297.2 280.2 297.4 0.07 26 490 5523 -29.7 -57.7 5 28.0 -31.2 280 43 298.5 298.6 280.7 298.7 0.03 27 400 6940 -37.9 -61.9 6 24.0 -38.7 280 63 305.7 305.7 283.7 305.8 0.02 28 348 7888 -44.1 -65.1 8 21.0 -44.6 275 77 309.8 309.8 285.2 309.8 0.02 29 323 8388 -45.3 -68.3 6 23.0 -45.8 276 86 314.8 314.8 287.0 314.8 0.01 30 300 8880 -46.7 -69.7 6 23.0 -47.1 280 91 319.5 319.5 288.6 319.6 0.01 31 279 9359 -48.1 -69.1 7 21.0 -48.5 280 98 324.2 324.2 290.0 324.3 0.01 32 253 10002 -49.0 -73.6 4 24.6 -49.4 280 110 332.1 332.1 292.3 332.1 0.01 33 250 10080 -49.1 -74.1 4 25.0 -49.6 280 109 333.1 333.1 292.6 333.1 0.01 34 238 10404 -49.7 -75.7 3 26.0 -50.1 280 106 336.9 336.9 293.6 336.9 0.01 35 224 10803 -48.5 -77.5 2 29.0 -49.0 280 102 344.6 344.6 295.4 344.6 0.00 36 214 11104 -49.9 -78.9 2 29.0 -50.4 280 97 347.0 347.0 296.0 347.0 0.00 37 200 11550 -48.1 -80.1 1 32.0 -48.7 280 89 356.6 356.6 298.0 356.6 0.00 38 197 11650 -48.1 -81.1 1 33.0 -48.7 281 88 358.1 358.1 298.3 358.2 0.00 39 195 11717 -46.3 -80.3 1 34.0 -47.0 281 87 362.1 362.1 299.1 362.1 0.00 40 150 13430 -53.7 -83.7 1 30.0 -54.1 285 73 377.5 377.5 301.9 377.6 0.00 41 148 13516 -54.1 -84.1 1 30.0 -54.5 285 72 378.3 378.3 302.0 378.3 0.00 42 135 14106 -51.9 -82.9 1 31.0 -52.5 283 67 392.3 392.3 304.1 392.3 0.00 43 100 16030 -55.1 -85.1 1 30.0 -55.6 290 58 421.3 421.3 307.9 421.3 0.00 44 77 17705 -54.7 -85.7 1 31.0 -55.4 293 58 454.8 454.8 311.3 454.8 0.00 45 74 17961 -52.7 -84.7 1 32.0 -53.6 294 56 464.2 464.2 312.1 464.2 0.00 46 70 18320 -53.7 -85.7 1 32.0 -54.6 295 45 469.5 469.5 312.6 469.5 0.00 47 54 19972 -58.1 -87.1 1 29.0 -58.7 306 45 495.5 495.5 314.7 495.6 0.00 48 50 20460 -55.9 -86.9 1 31.0 -56.8 320 41 511.7 511.7 315.8 511.8 0.00 49 36 22545 -57.7 -87.7 1 30.0 -58.7 350 33 557.5 557.5 318.5 557.5 0.00 50 32 23296 -53.9 -85.9 1 32.0 -55.6 333 35 586.8 586.8 320.0 586.8 0.01 51 30 23710 -55.3 -86.3 1 31.0 -56.8 345 38 593.9 593.9 320.3 593.9 0.01 52 23 25386 -59.9 -88.9 1 29.0 -61.1 348 45 627.2 627.2 321.8 627.3 0.01 53 20 26260 -59.3 -89.3 1 30.0 -60.7 350 29 654.7 654.7 322.9 654.7 0.01 54 16 27668 -57.9 -88.9 1 31.0 -59.9 343 45 702.4 702.4 324.5 702.4 0.01 55 12 29480 -59.9 -89.9 1 30.0 -61.9 6 46 755.5 755.5 326.1 755.6 0.01 56 10 30640 -53.1 -86.1 1 33.0 -57.4 10 58 821.3 821.3 327.8 821.5 0.02 57 6.4 33467 -60.7 -89.7 1 29.0 -63.7 900.9 900.9 329.4 901.1 0.02 58 6.3 33565 -59.7 -89.7 1 30.0 -63.0 909.3 909.3 329.6 909.4 0.02 TRP 279 9359 -48.1 -69.1 7 21.0 -48.5 280 98 324.2 324.2 290.0 324.3 0.01 WND 253 10002 -49.0 -73.6 4 24.6 -49.4 280 110 332.1 332.1 292.3 332.1 0.01 Sounding variables and indices 1000-500 mb thick: 5240.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.28 inches Sfc-500 mean rel hum: 70.95 % Est. max temperature: 6.52 C = 43.74 F Sfc-Lift cond lev (LCL): 890.54 mb = 1033.35 m = 3390.21 ft T: -13.66 C 700-500 lapse rate: 6.86 C/km ThetaE index: 0.93 C Layer 730.0- 645.0 mb Conv cond level (CCL): 942.00 mb = 691.00 m = 2267.03 ft Mean mixing ratio: 2.03 g/kg Conv temperature: -9.15 C = 15.53 F Cap Strength: 14.65 C Lifted Index: 15.03 C Risk: None Lifted Index @300 mb: 29.33 C Lifted Index @700 mb: 10.76 C Showalter Index: 4.31 C Risk: None Total Totals Index: 53.30 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 27.00 C Cross Totals Index: 26.30 C K Index: 18.80 Risk: < 20 % chance of thunderstorms Sweat Index: 199.00 Risk: None Energy Index: 0.93 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 72.05 J/kg Max Up Vert Vel: 12.00 m/s Conv Inhibition (B-): 0.00 J/kg Cap Strength: 15.02 C Lift Cond Lev (LCL): 885.07 mb = 1080.34 m = 3544.38 ft Lev Free Conv (LFC): 880.07 mb = 1123.47 m = 3685.89 ft Equ Level (EL): 870.07 mb = 1212.12 m = 3976.72 ft B at Equ Level: 56.52 J/kg Max Parcel Lev (MPL): 850.07 mb = 1395.36 m = 4577.90 ft Wind level data Storm motion: 305 at 30 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 ---------------------------------------------------------- 0 942 691 355 7 0.6 -7.0 | 113 26 -23.6 10.0 1 925 744 345 9 2.3 -8.7 | 111 23 -21.9 8.3 2 905 914 330 9 4.5 -7.8 | 115 22 -19.7 9.2 3 870 1219 235 19 15.6 10.9 | 163 29 -8.7 27.9 4 850 1396 270 34 34.0 -0.0 | 210 20 9.8 17.0 5 836 1524 270 35 35.0 -0.0 | 212 20 10.8 17.0 6 804 1829 280 39 38.4 -6.8 | 234 17 14.2 10.2 7 773 2134 280 34 33.5 -5.9 | 220 14 9.2 11.1 8 743 2438 280 33 32.5 -5.7 | 216 14 8.3 11.3 9 715 2743 270 37 37.0 -0.0 | 217 21 12.8 17.0 10 700 2903 270 41 41.0 -0.0 | 225 24 16.8 17.0 11 686 3048 270 42 42.0 -0.0 | 226 25 17.8 17.0 12 632 3658 270 35 35.0 -0.0 | 212 20 10.8 17.0 13 606 3962 275 31 30.9 -2.7 | 205 16 6.6 14.3 14 582 4267 260 34 33.5 5.9 | 202 25 9.2 22.9 15 558 4572 275 47 46.8 -4.1 | 240 26 22.6 12.9 16 535 4877 275 47 46.8 -4.1 | 240 26 22.6 12.9 17 500 5380 280 45 44.3 -7.8 | 245 22 20.1 9.2 18 492 5486 280 41 40.4 -7.1 | 238 19 16.1 9.9 19 471 5791 280 58 57.1 -10.1 | 258 34 32.9 6.9 20 451 6096 275 59 58.8 -5.1 | 251 37 34.5 11.9 21 400 6940 280 63 62.0 -10.9 | 261 38 37.8 6.1 22 362 7620 275 74 73.7 -6.4 | 258 51 49.5 10.6 23 330 8230 275 81 80.7 -7.1 | 260 57 56.5 10.0 24 302 8839 280 101 99.5 -17.5 | 270 75 75.2 -0.5 25 300 8880 280 91 89.6 -15.8 | 269 65 65.4 1.2 26 288 9144 280 88 86.7 -15.3 | 268 62 62.4 1.7 27 279 9359 280 98 96.5 -17.0 | 270 72 72.3 -0.0 28 253 10002 280 110 108.3 -19.1 | 271 84 84.1 -2.1 29 251 10058 280 110 108.3 -19.1 | 271 84 84.1 -2.1 30 250 10080 280 109 107.3 -18.9 | 271 83 83.1 -1.9 31 229 10668 280 104 102.4 -18.1 | 271 78 78.2 -1.0 32 200 11550 280 89 87.6 -15.5 | 269 63 63.4 1.6 33 173 12497 285 75 72.4 -19.4 | 273 48 48.2 -2.4 34 165 12802 280 79 77.8 -13.7 | 266 54 53.6 3.3 35 150 13430 285 73 70.5 -18.9 | 272 46 46.3 -1.9 36 113 15240 280 56 55.1 -9.7 | 257 32 30.9 7.3 37 103 15850 290 70 65.8 -23.9 | 279 42 41.5 -6.9 38 100 16030 290 58 54.5 -19.8 | 275 30 30.3 -2.8 39 98 16154 290 58 54.5 -19.8 | 275 30 30.3 -2.8 40 85 17069 290 63 59.2 -21.5 | 277 35 35.0 -4.5 41 70 18288 295 53 48.0 -22.4 | 283 24 23.8 -5.4 42 70 18320 295 45 40.8 -19.0 | 277 17 16.5 -2.0 43 64 18898 285 36 34.8 -9.3 | 234 13 10.5 7.7 44 61 19202 285 43 41.5 -11.1 | 251 18 17.3 5.9 45 53 20117 310 45 34.5 -28.9 | 319 16 10.2 -11.9 46 50 20422 300 55 47.6 -27.5 | 294 26 23.4 -10.5 47 50 20460 320 41 26.4 -31.4 | 352 15 2.1 -14.4 48 48 20726 320 43 27.6 -32.9 | 348 16 3.4 -15.9 49 46 21031 310 33 25.3 -21.2 | 346 4 1.0 -4.2 50 44 21336 300 38 32.9 -19.0 | 283 9 8.7 -2.0 51 42 21641 310 40 30.6 -25.7 | 324 11 6.4 -8.7 52 40 21946 320 45 28.9 -34.5 | 345 18 4.7 -17.5 53 36 22555 350 33 5.7 -32.5 | 50 24 -18.5 -15.5 54 34 22860 320 32 20.6 -24.5 | 26 8 -3.7 -7.5 55 30 23710 345 38 9.8 -36.7 | 36 24 -14.4 -19.7 56 27 24384 355 36 3.1 -35.9 | 48 28 -21.1 -18.9 57 26 24689 340 40 13.7 -37.6 | 27 23 -10.6 -20.6 58 22 25603 350 47 8.2 -46.3 | 29 33 -16.1 -29.3 59 20 26213 360 40 -0.0 -40.0 | 47 33 -24.2 -23.0 60 20 26260 350 29 5.0 -28.6 | 59 22 -19.2 -11.5 61 19 26518 355 34 3.0 -33.9 | 52 27 -21.3 -16.9 62 18 26822 325 29 16.6 -23.8 | 48 10 -7.6 -6.7 63 17 27432 335 43 18.2 -39.0 | 15 23 -6.1 -22.0 64 16 27737 345 46 11.9 -44.4 | 24 30 -12.3 -27.4 65 15 28042 340 52 17.8 -48.9 | 11 32 -6.5 -31.9 66 14 28651 340 50 17.1 -47.0 | 13 31 -7.1 -30.0 67 13 28956 5 49 -4.3 -48.8 | 42 43 -28.5 -31.8 68 12 29261 5 44 -3.8 -43.8 | 46 39 -28.1 -26.8 69 10 30640 10 58 -10.1 -57.1 | 41 53 -34.3 -40.1 Wind Parameters Mean winds (0-6000m): 275.1 at 39.5 knts Storm direction: 305.1 at 29.6 knts Shear (0-3000m) pos: 3.1 neg: 5.3 tot: 8.4 10-3/s Storm rel Dir Shear (0-3000m): 98.7 deg Storm rel helicity (0-3000m) pos: 267.7 neg: -50.3 tot: 217.4 m^2/s^2 ave: 72.5 10^-3 m/s^2 rel: 0.48 Storm rel vorticity (0-3000m) horiz: 13.7 stream: 6.6 10^-3/s Energy-Hel index: 0.11 Bulk Rich Number: 0.59 Bulk Shear: 122.50 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 ------------------------------------------------------------------------------- 500 304 11 126 19| 0.0 22.2 22.2| 90.2 -3.3 86.9 173.8 0.64| 27.4 17.5 1000 274 20 165 16| 12.2 11.1 23.4|234.9 -3.3 231.6 231.6 0.79| 27.2 21.3 1500 277 25 184 14| 7.5 7.4 15.0|247.2 -17.2 230.0 153.3 0.67| 20.7 13.9 2000 277 27 192 14| 5.7 7.0 12.6|247.8 -19.6 228.2 114.1 0.60| 17.3 10.3 2500 275 30 201 15| 4.5 6.3 10.9|267.7 -25.2 242.5 97.0 0.58| 15.2 8.8 3000 274 31 205 16| 3.1 5.3 8.4|267.7 -50.3 217.4 72.5 0.48| 13.7 6.6 4000 273 33 209 17| 4.3 4.2 8.5|374.0 -63.4 310.7 77.7 0.48| 13.8 6.6 5000 274 35 217 18| 4.1 3.4 7.5|423.3 -74.4 348.9 69.8 0.45| 13.0 5.9 6000 275 39 228 20| 3.8 3.4 7.2|485.4-113.6 371.8 62.0 0.42| 12.2 5.1 Wrote GIF file: /home/apache/climate/data/raob//CYXS/skewt/CYXS.skewt.20251211.12.gif