UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120212.upa.cvt Date: 1200Z 2 DEC 25 Searching for SBCT... Searching the city database file for: SBCT ... Date:1200Z 2 DEC 25 Station: SBCT WMO ident: 83840 Latitude: -25.52 Longitude: -49.17 Elevation: 908.00 ------------------------------------------------------------------------------- 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 70 1 925 755 SFC 909 908 20.8 19.1 90 1.7 19.6 120 1 302.1 304.9 296.1 347.8 15.49 3 870 1283 17.2 17.2 100 0.0 17.2 205 2 302.1 304.8 295.4 344.5 14.34 4 850 1481 16.2 16.2 100 0.0 16.2 250 3 303.1 305.7 295.3 343.9 13.76 5 791 2092 14.0 12.0 88 2.0 12.7 289 21 307.1 309.2 294.6 340.9 11.21 6 777 2243 14.6 8.6 67 6.0 10.9 290 22 309.3 311.0 293.6 337.0 9.06 7 761 2419 13.8 5.8 58 8.0 9.0 290 23 310.3 311.7 292.7 333.7 7.62 8 700 3119 8.4 4.4 76 4.0 6.1 285 18 311.8 313.2 293.1 335.1 7.51 9 691 3226 7.6 4.1 78 3.5 5.6 289 18 312.1 313.5 293.1 335.2 7.45 10 657 3640 5.2 -5.8 45 11.0 0.0 273 13 313.9 314.6 290.6 325.9 3.77 11 623 4072 1.4 0.7 95 0.7 1.0 264 15 314.3 315.6 293.0 334.7 6.48 12 593 4468 -1.3 -2.1 94 0.8 -1.7 260 20 315.7 316.7 292.6 333.2 5.54 13 558 4951 -4.5 -4.7 99 0.2 -4.6 261 28 317.4 318.4 292.5 333.0 4.84 14 546 5122 -4.7 -7.8 79 3.1 -6.1 266 27 319.2 319.9 292.2 331.9 3.90 15 527 5401 -6.7 -7.9 91 1.2 -7.2 273 24 320.0 320.8 292.6 333.1 4.01 16 524 5445 -6.9 -16.9 45 10.0 -10.4 274 24 320.3 320.7 290.8 326.9 1.94 17 517 5550 -7.9 -8.4 96 0.5 -8.1 275 25 320.3 321.1 292.6 333.2 3.93 18 512 5626 -8.3 -15.3 57 7.0 -10.8 275 27 320.7 321.2 291.2 328.4 2.27 19 500 5810 -9.1 -11.0 86 1.9 -9.9 275 32 321.9 322.6 292.5 332.9 3.30 20 495 5888 -8.7 -12.4 75 3.7 -10.2 275 33 323.4 323.9 292.6 333.3 2.98 21 460 6448 -13.7 -14.1 97 0.4 -13.9 270 38 324.0 324.5 292.6 333.4 2.79 22 457 6498 -13.3 -14.8 88 1.5 -13.9 269 39 325.1 325.6 292.8 334.1 2.65 23 453 6565 -12.5 -27.5 27 15.0 -16.3 268 40 326.9 327.1 291.7 330.1 0.88 24 438 6821 -13.9 -38.9 10 25.0 -18.4 265 43 328.3 328.3 291.6 329.4 0.30 25 408 7353 -18.7 -38.7 15 20.0 -22.0 257 50 328.8 328.9 291.7 330.1 0.33 26 407 7371 -18.9 -34.9 23 16.0 -21.9 257 50 328.8 328.9 291.9 330.6 0.48 27 403 7444 -18.7 -19.4 94 0.7 -18.9 256 51 330.0 330.4 293.6 337.1 2.04 28 400 7500 -18.7 -19.4 94 0.7 -18.9 255 52 330.7 331.1 293.8 337.9 2.06 29 396 7575 -18.1 -20.2 84 2.1 -18.7 255 53 332.4 332.8 294.1 339.3 1.94 30 349 8515 -22.9 -31.9 44 9.0 -24.7 252 62 338.2 338.3 294.6 341.0 0.76 31 330 8924 -26.3 -30.8 66 4.5 -27.2 248 65 339.0 339.1 294.8 342.3 0.89 32 319 9170 -27.7 -34.7 51 7.0 -28.9 245 67 340.3 340.4 295.0 342.7 0.63 33 300 9610 -31.5 -46.5 21 15.0 -33.0 245 74 341.0 341.0 294.7 341.8 0.20 34 292 9800 -33.3 -50.3 17 17.0 -34.7 246 75 341.1 341.1 294.7 341.6 0.13 35 250 10870 -41.7 -48.7 47 7.0 -42.2 265 76 344.1 344.1 295.5 344.8 0.18 36 234 11314 -45.5 -49.2 66 3.7 -45.7 271 72 344.9 344.9 295.7 345.6 0.18 37 213 11933 -50.7 -55.7 55 5.0 -50.9 268 79 346.2 346.2 295.8 346.6 0.09 38 205 12181 -52.9 -55.1 77 2.2 -53.0 263 85 346.5 346.6 296.0 347.0 0.11 39 203 12244 -53.3 -56.2 71 2.9 -53.4 262 87 346.9 346.9 296.0 347.3 0.09 40 201 12308 -53.3 -61.3 37 8.0 -53.5 261 88 347.9 347.9 296.2 348.1 0.05 41 200 12340 -53.6 -61.3 38 7.8 -53.8 260 89 348.0 348.0 296.2 348.2 0.05 42 188 12733 -56.7 -61.7 53 5.0 -56.8 259 89 349.1 349.1 296.5 349.3 0.05 43 183 12903 -57.9 -73.9 11 16.0 -58.1 258 88 349.9 349.9 296.6 349.9 0.01 44 160 13734 -63.7 -71.7 33 8.0 -63.8 260 80 353.8 353.8 297.4 353.8 0.01 45 158 13811 -64.1 -73.1 28 9.0 -64.2 261 79 354.4 354.4 297.5 354.4 0.01 46 152 14048 -61.3 -80.3 6 19.0 -61.4 261 70 363.1 363.1 299.3 363.1 0.00 47 150 14130 -61.1 -84.1 3 23.0 -61.3 250 58 364.8 364.8 299.6 364.8 0.00 48 144 14384 -60.7 -83.7 3 23.0 -60.9 248 55 369.8 369.8 300.5 369.8 0.00 49 100 16570 -75.9 -87.9 13 12.0 -75.9 275 25 381.1 381.1 302.4 381.1 0.00 50 88 17297 -79.9 -88.9 21 9.0 -79.9 265 34 387.3 387.3 303.4 387.3 0.00 51 80 17842 -74.5 -88.5 10 14.0 -74.6 262 25 409.1 409.1 306.4 409.1 0.00 52 70 18620 -72.3 -88.3 7 16.0 -72.4 245 9 429.7 429.7 308.8 429.7 0.00 53 69 18705 -72.3 -88.3 7 16.0 -72.4 242 9 431.5 431.5 309.0 431.5 0.00 54 65 19057 -73.1 -89.1 7 16.0 -73.2 259 5 437.2 437.2 309.6 437.2 0.00 55 50 20620 -67.3 -91.3 2 24.0 -67.5 145 12 484.9 484.9 313.8 484.9 0.00 56 30 23770 -57.7 -89.7 1 32.0 -58.9 125 26 587.3 587.3 320.0 587.4 0.00 57 29 23984 -56.9 -88.9 1 32.0 -58.2 108 24 595.3 595.3 320.4 595.3 0.00 58 25 24920 -58.5 -89.5 1 31.0 -59.8 108 23 616.5 616.5 321.3 616.5 0.01 59 20 26350 -50.1 -87.1 1 37.0 -53.6 70 21 682.8 682.8 323.9 682.9 0.01 60 18 27042 -47.9 -86.9 0 39.0 -52.4 70 19 710.7 710.7 324.8 710.7 0.01 61 14 28703 -47.1 -86.1 0 39.0 -52.7 89 13 766.3 766.3 326.4 766.5 0.02 62 13 29194 -46.7 -85.7 0 39.0 -52.7 69 15 784.1 784.1 326.8 784.3 0.02 TRP 88 17297 -79.9 -88.9 21 9.0 -79.9 265 34 387.3 387.3 303.4 387.3 0.00 WND 200 12340 -53.6 -61.3 38 7.8 -53.8 260 89 348.0 348.0 296.2 348.2 0.05 Sounding variables and indices 1000-500 mb thick: 5740.00 m Freezing level: 607.44 mb = 4277.32 m = 14033.02 ft Wetbulb zero: 611.93 mb = 4215.78 m = 13831.14 ft Precipitable water: 1.43 inches Sfc-500 mean rel hum: 81.35 % Est. max temperature: 28.81 C = 83.86 F Sfc-Lift cond lev (LCL): 886.83 mb = 1119.37 m = 3672.42 ft T: 18.77 C 700-500 lapse rate: 6.50 C/km ThetaE index: 14.09 C Layer 870.0- 700.0 mb Conv cond level (CCL): 854.38 mb = 1437.39 m = 4715.80 ft Mean mixing ratio: 13.87 g/kg Conv temperature: 21.60 C = 70.88 F Cap Strength: 1.63 C Lifted Index: -4.08 C Risk: Severe thunderstorms probable Lifted Index @300 mb: 0.00 C Lifted Index @700 mb: -0.58 C Showalter Index: -3.85 C Risk: Severe thunderstorms possible Total Totals Index: 50.60 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 25.30 C Cross Totals Index: 25.30 C K Index: 37.50 Risk: > 80 % chance of thunderstorms Sweat Index: 264.40 Risk: None Energy Index: -2.24 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 588.67 J/kg Max Up Vert Vel: 34.31 m/s Conv Inhibition (B-): 0.00 J/kg Cap Strength: 1.62 C Lift Cond Lev (LCL): 850.78 mb = 1473.17 m = 4833.19 ft Lev Free Conv (LFC): 845.78 mb = 1523.24 m = 4997.46 ft Equ Level (EL): 825.78 mb = 1726.54 m = 5664.42 ft B at Equ Level: 17.46 J/kg Max Parcel Lev (MPL): 755.78 mb = 2477.07 m = 8126.79 ft Wind level data Storm motion: 303 at 16 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 ---------------------------------------------------------- 0 909 908 120 1 -0.9 0.5 | 123 17 -14.5 9.4 1 850 1481 250 3 2.8 1.0 | 133 15 -10.8 9.9 2 846 1524 265 10 10.0 0.9 | 160 10 -3.6 9.8 3 816 1829 285 14 13.5 -3.6 | 179 5 -0.1 5.3 4 787 2134 290 22 20.7 -7.5 | 259 7 7.1 1.4 5 759 2438 290 23 21.6 -7.9 | 263 8 8.0 1.0 6 700 3119 285 18 17.4 -4.7 | 222 6 3.8 4.2 7 680 3353 295 17 15.4 -7.2 | 227 2 1.8 1.7 8 654 3658 270 13 13.0 -0.0 | 176 9 -0.6 8.9 9 606 4267 260 16 15.8 2.8 | 190 12 2.2 11.7 10 562 4877 260 29 28.6 5.0 | 227 20 15.0 13.9 11 521 5486 275 23 22.9 -2.0 | 234 12 9.3 6.9 12 500 5810 275 32 31.9 -2.8 | 252 19 18.3 6.1 13 481 6096 275 34 33.9 -3.0 | 254 21 20.3 5.9 14 400 7500 255 52 50.2 13.5 | 239 43 36.6 22.3 15 362 8230 255 60 58.0 15.5 | 241 51 44.4 24.4 16 320 9144 245 67 60.7 28.3 | 232 60 47.1 37.2 17 300 9610 245 74 67.1 31.3 | 233 67 53.5 40.2 18 257 10668 250 82 77.1 28.0 | 240 73 63.5 36.9 19 250 10870 265 76 75.7 6.6 | 256 64 62.1 15.5 20 224 11582 275 70 69.7 -6.1 | 267 56 56.1 2.8 21 200 12340 260 89 87.6 15.5 | 252 78 74.0 24.3 22 195 12497 260 89 87.6 15.5 | 252 78 74.0 24.3 23 168 13411 255 87 84.0 22.5 | 246 77 70.4 31.4 24 153 14021 265 74 73.7 6.4 | 256 62 60.1 15.3 25 150 14130 250 58 54.5 19.8 | 235 50 40.9 28.7 26 138 14630 245 52 47.1 22.0 | 227 46 33.5 30.9 27 125 15240 275 35 34.9 -3.1 | 255 22 21.3 5.8 28 100 16570 275 25 24.9 -2.2 | 239 13 11.3 6.7 29 97 16764 275 25 24.9 -2.2 | 239 13 11.3 6.7 30 88 17297 265 34 33.9 3.0 | 240 23 20.3 11.9 31 87 17374 270 35 35.0 -0.0 | 247 23 21.4 8.9 32 82 17678 265 29 28.9 2.5 | 233 19 15.3 11.4 33 78 17983 260 22 21.7 3.8 | 212 15 8.1 12.7 34 74 18288 280 16 15.8 -2.8 | 199 6 2.2 6.1 35 70 18593 280 12 11.8 -2.1 | 165 7 -1.8 6.8 36 70 18620 245 9 8.2 3.8 | 157 14 -5.4 12.7 37 67 18898 235 10 8.2 5.7 | 160 16 -5.4 14.6 38 63 19202 280 1 1.0 -0.2 | 125 15 -12.6 8.7 39 54 20117 175 13 -1.1 13.0 | 146 26 -14.7 21.8 40 50 20620 145 12 -6.9 9.8 | 132 28 -20.5 18.7 41 49 20726 190 13 2.3 12.8 | 152 24 -11.3 21.7 42 45 21336 45 16 -11.3 -11.3 | 84 25 -24.9 -2.4 43 42 21641 75 15 -14.5 -3.9 | 100 29 -28.1 5.0 44 40 21946 30 17 -8.5 -14.7 | 75 23 -22.1 -5.8 45 38 22250 60 17 -14.7 -8.5 | 91 28 -28.3 0.4 46 37 22555 50 20 -15.3 -12.9 | 82 29 -28.9 -4.0 47 35 22860 100 3 -3.0 0.5 | 120 19 -16.6 9.4 48 33 23165 95 13 -13.0 1.1 | 111 28 -26.6 10.0 49 31 23470 80 13 -12.8 -2.3 | 104 27 -26.4 6.6 50 30 23770 125 26 -21.3 14.9 | 124 42 -34.9 23.8 51 30 23774 70 16 -15.0 -5.5 | 97 29 -28.6 3.4 52 29 24079 125 27 -22.1 15.5 | 124 43 -35.7 24.4 53 26 24689 100 21 -20.7 3.6 | 110 37 -34.3 12.5 54 25 24994 110 23 -21.6 7.9 | 115 39 -35.2 16.8 55 22 25603 90 25 -25.0 0.0 | 103 40 -38.6 8.9 56 20 26213 75 34 -32.8 -8.8 | 90 46 -46.4 0.1 57 20 26350 70 21 -19.7 -7.2 | 93 33 -33.3 1.7 58 17 26822 70 19 -17.9 -6.5 | 94 32 -31.5 2.4 59 15 27432 105 12 -11.6 3.1 | 115 28 -25.2 12.0 60 13 27737 75 14 -13.5 -3.6 | 101 28 -27.1 5.3 61 12 28042 60 16 -13.9 -8.0 | 92 27 -27.5 0.9 62 10 28956 80 16 -15.8 -2.8 | 102 30 -29.4 6.1 63 9 29261 70 19 -17.9 -6.5 | 94 32 -31.5 2.4 64 8 29566 80 21 -20.7 -3.6 | 99 35 -34.3 5.2 Wind Parameters Mean winds (0-6000m): 273.2 at 21.7 knts Storm direction: 303.2 at 16.2 knts Shear (0-3000m) pos: 3.5 neg: 1.7 tot: 5.2 10-3/s Storm rel Dir Shear (0-3000m): 60.4 deg Storm rel helicity (0-3000m) pos: 52.0 neg: -13.4 tot: 38.6 m^2/s^2 ave: 12.9 10^-3 m/s^2 rel: 0.28 Storm rel vorticity (0-3000m) horiz: 7.4 stream: 2.1 10^-3/s Energy-Hel index: 0.18 Bulk Rich Number: 10.69 Bulk Shear: 55.05 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 ------------------------------------------------------------------------------- 500 228 2 130 16| 3.4 0.0 3.4| 13.2 0.0 13.2 26.4 0.71| 4.2 3.0 1000 273 6 140 11| 8.8 0.0 8.8| 40.8 0.0 40.8 40.8 0.69| 10.1 7.0 1500 284 11 156 7| 8.2 0.0 8.2| 49.4 0.0 49.4 32.9 0.73| 9.1 6.7 2000 286 14 176 5| 6.1 0.9 7.1| 49.4 -5.6 43.8 21.9 0.54| 7.8 4.2 2500 286 15 185 5| 4.3 0.7 5.0| 49.6 -8.9 40.8 16.3 0.39| 7.3 2.9 3000 285 15 185 5| 3.5 1.7 5.2| 52.0 -13.4 38.6 12.9 0.28| 7.4 2.1 4000 277 16 198 7| 3.8 1.5 5.2| 94.6 -13.4 81.3 20.3 0.40| 7.5 3.0 5000 275 18 212 9| 3.7 1.2 4.8|122.0 -13.4 108.6 21.7 0.39| 7.8 3.1 6000 273 22 226 11| 3.1 2.0 5.0|124.4 -42.7 81.8 13.6 0.29| 7.7 2.2 Wrote GIF file: /home/apache/climate/data/raob//SBCT/skewt/SBCT.skewt.20251202.12.gif