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 SBVT... Searching the city database file for: SBVT ... Date:1200Z 2 DEC 25 Station: SBVT WMO ident: 83649 Latitude: -20.26 Longitude: -40.29 Elevation: 4.00 ------------------------------------------------------------------------------- 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 ------------------------------------------------------------------------------- SFC 1011 4 28.4 19.4 58 9.0 22.1 10 17 300.6 303.2 294.8 342.1 14.16 1 1000 97 26.2 18.2 61 8.0 20.7 5 24 299.4 301.8 293.9 338.1 13.26 2 934 696 20.6 16.9 79 3.7 18.1 358 26 299.5 301.9 293.7 337.7 13.08 3 925 780 21.0 14.0 64 7.0 16.4 360 26 300.8 302.8 292.5 332.9 10.92 4 918 846 21.2 11.2 53 10.0 14.9 355 24 301.6 303.3 291.3 328.7 9.13 5 880 1211 19.8 14.8 73 5.0 16.4 331 14 303.9 306.1 294.3 339.9 12.12 6 850 1510 19.4 10.4 56 9.0 13.7 330 14 306.5 308.2 293.0 334.7 9.36 7 836 1653 19.2 8.2 49 11.0 12.4 334 9 307.7 309.3 292.4 332.6 8.19 8 783 2212 14.6 7.6 63 7.0 10.3 325 5 308.6 310.2 292.9 334.2 8.39 9 771 2343 13.8 5.8 58 8.0 9.0 353 3 309.1 310.5 292.3 332.2 7.52 10 749 2587 12.8 -2.2 35 15.0 5.1 324 2 310.6 311.4 290.0 324.2 4.34 11 715 2976 10.2 5.5 73 4.7 7.4 251 7 311.9 313.4 293.4 336.5 7.95 12 700 3152 9.4 3.4 66 6.0 5.9 240 11 312.9 314.2 293.0 334.7 7.00 13 692 3247 8.8 4.3 73 4.5 6.2 238 11 313.3 314.7 293.5 336.8 7.55 14 642 3864 5.4 -2.6 56 8.0 1.3 263 10 316.2 317.1 292.2 331.9 4.92 15 632 3992 4.8 -11.2 30 16.0 -2.0 272 10 316.9 317.4 290.4 325.4 2.57 16 562 4938 -1.3 -21.3 20 20.0 -7.8 329 10 320.6 320.8 290.2 324.8 1.24 17 524 5493 -4.9 -27.9 15 23.0 -11.1 313 10 322.7 322.9 290.4 325.3 0.74 18 508 5736 -6.7 -18.7 38 12.0 -10.8 294 11 323.4 323.7 291.5 329.3 1.72 19 503 5813 -6.9 -23.9 24 17.0 -11.9 289 11 324.1 324.3 291.1 327.9 1.10 20 500 5860 -7.3 -19.3 38 12.0 -11.3 285 11 324.1 324.5 291.7 329.9 1.66 21 498 5891 -7.7 -15.7 53 8.0 -10.6 286 11 324.0 324.5 292.2 331.7 2.26 22 495 5938 -7.9 -12.7 68 4.8 -9.8 287 11 324.3 324.9 292.8 334.1 2.91 23 467 6390 -10.3 -13.5 77 3.2 -11.5 299 19 326.8 327.4 293.4 336.6 2.89 24 458 6540 -10.7 -29.7 19 19.0 -15.4 291 20 328.1 328.3 291.9 330.7 0.71 25 446 6744 -12.1 -29.1 23 17.0 -16.3 281 22 328.9 329.0 292.2 331.7 0.77 26 433 6970 -13.9 -17.3 75 3.4 -15.1 289 20 329.4 329.8 293.6 337.2 2.27 27 428 7059 -14.3 -21.3 55 7.0 -16.4 292 20 330.0 330.3 293.2 335.7 1.63 28 424 7130 -14.7 -18.1 75 3.4 -15.9 295 19 330.3 330.8 293.8 337.9 2.17 29 413 7329 -16.1 -19.8 73 3.7 -17.3 301 18 331.0 331.4 293.7 337.8 1.93 30 402 7533 -17.1 -27.1 42 10.0 -19.6 309 16 332.3 332.5 293.3 336.0 1.03 31 400 7570 -17.3 -24.3 54 7.0 -19.2 310 16 332.5 332.8 293.6 337.3 1.34 32 396 7645 -18.1 -20.7 80 2.6 -18.9 310 17 332.4 332.8 294.1 339.0 1.86 33 374 8069 -20.5 -23.3 78 2.8 -21.2 285 13 334.7 335.0 294.4 340.3 1.57 34 370 8149 -20.9 -26.9 59 6.0 -22.4 274 12 335.2 335.4 294.1 339.4 1.14 35 356 8432 -23.3 -25.2 84 1.9 -23.8 259 13 335.7 336.0 294.5 340.7 1.39 36 335 8873 -26.1 -29.7 72 3.6 -26.8 257 15 337.8 338.0 294.7 341.4 0.97 37 331 8960 -26.9 -28.1 90 1.2 -27.2 257 16 337.8 338.1 294.8 342.0 1.14 38 327 9047 -27.5 -36.5 42 9.0 -28.9 257 16 338.2 338.3 294.4 340.2 0.51 39 320 9202 -28.7 -30.9 81 2.2 -29.1 256 17 338.6 338.8 294.8 342.0 0.91 40 303 9590 -31.9 -36.1 66 4.2 -32.5 248 22 339.4 339.6 294.7 341.7 0.58 41 300 9660 -32.5 -35.0 78 2.5 -32.9 245 24 339.6 339.7 294.8 342.0 0.65 42 295 9778 -33.5 -34.1 94 0.6 -33.6 245 26 339.8 339.9 294.9 342.5 0.72 43 284 10044 -35.1 -40.1 60 5.0 -35.7 249 26 341.2 341.3 295.0 342.8 0.41 44 280 10142 -35.7 -39.0 72 3.3 -36.1 250 25 341.7 341.8 295.1 343.5 0.47 45 273 10318 -36.9 -46.9 35 10.0 -37.8 252 25 342.5 342.5 295.1 343.3 0.21 46 266 10497 -38.1 -44.1 53 6.0 -38.7 254 25 343.3 343.3 295.4 344.4 0.29 47 254 10812 -40.9 -50.9 33 10.0 -41.6 259 24 343.7 343.7 295.3 344.3 0.14 48 250 10920 -41.9 -49.9 41 8.0 -42.4 260 24 343.8 343.8 295.4 344.4 0.16 49 242 11139 -43.9 -47.4 68 3.5 -44.2 257 23 344.0 344.0 295.5 344.9 0.22 50 221 11742 -48.7 -57.7 34 9.0 -49.0 252 28 345.6 345.7 295.7 345.9 0.07 51 200 12390 -54.7 -58.6 62 3.9 -54.8 255 33 346.1 346.2 295.8 346.4 0.07 52 199 12422 -54.9 -58.7 63 3.8 -55.0 255 33 346.3 346.3 295.9 346.6 0.07 53 180 13058 -59.9 -67.9 34 8.0 -60.0 247 27 348.2 348.2 296.3 348.3 0.02 54 172 13341 -62.1 -66.8 53 4.7 -62.1 252 24 349.2 349.2 296.5 349.3 0.03 55 162 13710 -64.1 -73.1 28 9.0 -64.2 265 22 351.8 351.8 297.0 351.9 0.01 56 158 13863 -64.9 -70.9 43 6.0 -65.0 247 23 353.0 353.0 297.3 353.1 0.02 57 156 13941 -64.7 -69.6 51 4.9 -64.8 236 23 354.6 354.6 297.6 354.7 0.02 58 150 14180 -65.7 -71.7 43 6.0 -65.8 230 24 356.9 356.9 298.1 357.0 0.02 59 100 16580 -74.5 -88.5 10 14.0 -74.5 35 17 383.8 383.8 302.9 383.8 0.00 60 84 17578 -80.5 -90.5 17 10.0 -80.5 195 6 391.2 391.2 304.0 391.2 0.00 61 70 18620 -75.3 -88.3 11 13.0 -75.3 145 13 423.3 423.3 308.1 423.3 0.00 62 50 20600 -69.5 -90.5 3 21.0 -69.6 80 21 479.7 479.7 313.4 479.7 0.00 63 44 21366 -65.7 -89.7 2 24.0 -66.0 64 25 506.9 506.9 315.4 506.9 0.00 64 43 21505 -66.7 -89.7 3 23.0 -67.0 62 22 507.7 507.7 315.5 507.8 0.00 65 36 22593 -60.1 -88.1 1 28.0 -60.9 114 17 551.3 551.3 318.2 551.3 0.00 66 30 23730 -59.1 -88.1 1 29.0 -60.1 90 39 583.5 583.5 319.8 583.6 0.01 67 26 24633 -57.5 -87.5 1 30.0 -58.9 98 38 612.4 612.4 321.2 612.5 0.01 68 20 26310 -53.5 -85.5 1 32.0 -56.1 70 34 672.4 672.4 323.5 672.5 0.01 69 16 27761 -48.9 -82.9 1 34.0 -53.3 83 34 731.7 731.7 325.4 731.9 0.03 TRP 84 17578 -80.5 -90.5 17 10.0 -80.5 195 6 391.2 391.2 304.0 391.2 0.00 WND Sounding variables and indices 1000-500 mb thick: 5763.00 m Freezing level: 576.92 mb = 4736.71 m = 15540.19 ft Wetbulb zero: 638.08 mb = 3913.73 m = 12840.17 ft Precipitable water: 1.58 inches Sfc-500 mean rel hum: 48.44 % Est. max temperature: 33.31 C = 91.95 F Sfc-Lift cond lev (LCL): 887.13 mb = 1141.42 m = 3744.79 ft T: 20.07 C 700-500 lapse rate: 6.17 C/km ThetaE index: 13.46 C Layer 1000.0- 880.0 mb Conv cond level (CCL): 754.16 mb = 2528.72 m = 8296.24 ft Mean mixing ratio: 12.61 g/kg Conv temperature: 38.06 C = 100.51 F Cap Strength: 5.53 C Lifted Index: 0.82 C Risk: Showers probable Lifted Index @300 mb: 3.52 C Lifted Index @700 mb: 2.76 C Showalter Index: 1.76 C Risk: Showers probable Total Totals Index: 44.40 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 26.70 C Cross Totals Index: 17.70 C K Index: 31.10 Risk: 60-80 % chance of thunderstorms Sweat Index: 163.80 Risk: None Energy Index: -0.88 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 8.40 J/kg Max Up Vert Vel: 4.10 m/s Conv Inhibition (B-): 28940.88 J/kg Cap Strength: 5.41 C Lift Cond Lev (LCL): 873.24 mb = 1277.59 m = 4191.52 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 353 at 9 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 1011 4 10 17 -3.0 -16.7 | 26 9 -4.0 -8.2 1 1000 97 5 24 -2.1 -23.9 | 11 16 -3.1 -15.4 2 977 305 360 21 -0.0 -21.0 | 5 13 -1.0 -12.5 3 943 610 355 26 2.3 -25.9 | 356 17 1.2 -17.4 4 925 780 360 26 -0.0 -26.0 | 3 17 -1.0 -17.5 5 911 914 350 22 3.8 -21.7 | 348 13 2.8 -13.1 6 879 1219 330 14 7.0 -12.1 | 301 7 6.0 -3.6 7 850 1510 330 14 7.0 -12.1 | 301 7 6.0 -3.6 8 849 1524 340 10 3.4 -9.4 | 290 3 2.4 -0.9 9 790 2134 310 6 4.6 -3.9 | 217 6 3.6 4.7 10 762 2438 15 2 -0.5 -1.9 | 167 7 -1.5 6.6 11 735 2743 265 2 2.0 0.2 | 186 9 1.0 8.7 12 700 3152 240 11 9.5 5.5 | 211 16 8.5 14.0 13 683 3353 235 11 9.0 6.3 | 208 17 8.0 14.8 14 633 3962 270 10 10.0 -0.0 | 226 12 9.0 8.5 15 609 4267 315 9 6.4 -6.4 | 248 6 5.3 2.2 16 544 5182 335 10 4.2 -9.1 | 279 3 3.2 -0.5 17 500 5860 285 11 10.6 -2.8 | 239 11 9.6 5.7 18 485 6096 290 11 10.3 -3.8 | 243 10 9.3 4.8 19 466 6401 300 19 16.5 -9.5 | 274 15 15.4 -1.0 20 448 6706 280 22 21.7 -3.8 | 257 21 20.6 4.7 21 400 7570 310 16 12.3 -10.3 | 279 11 11.2 -1.7 22 397 7620 310 17 13.0 -10.9 | 281 12 12.0 -2.4 23 381 7925 305 13 10.6 -7.5 | 264 10 9.6 1.1 24 365 8230 260 12 11.8 2.1 | 225 15 10.8 10.6 25 309 9449 255 18 17.4 4.7 | 231 21 16.4 13.2 26 300 9660 245 24 21.8 10.1 | 228 28 20.7 18.7 27 296 9754 245 26 23.6 11.0 | 229 30 22.5 19.5 28 250 10920 260 24 23.6 4.2 | 241 26 22.6 12.7 29 248 10973 265 22 21.9 1.9 | 243 23 20.9 10.5 30 237 11278 250 24 22.6 8.2 | 232 27 21.5 16.7 31 200 12390 255 33 31.9 8.5 | 241 35 30.9 17.1 32 187 12802 255 33 31.9 8.5 | 241 35 30.9 17.1 33 178 13106 245 25 22.7 10.6 | 229 29 21.6 19.1 34 162 13716 265 22 21.9 1.9 | 243 23 20.9 10.5 35 154 14021 225 24 17.0 17.0 | 212 30 16.0 25.5 36 150 14180 230 24 18.4 15.4 | 216 30 17.4 24.0 37 139 14630 220 24 15.4 18.4 | 208 31 14.4 26.9 38 132 14935 235 17 13.9 9.8 | 215 22 12.9 18.3 39 113 15850 210 20 10.0 17.3 | 199 27 9.0 25.9 40 102 16459 155 21 -8.9 19.0 | 160 29 -9.9 27.6 41 100 16580 35 17 -9.8 -13.9 | 63 12 -10.8 -5.4 42 97 16764 45 16 -11.3 -11.3 | 77 13 -12.3 -2.8 43 87 17374 345 11 2.8 -10.6 | 319 3 1.8 -2.1 44 84 17578 195 6 1.6 5.8 | 182 14 0.5 14.3 45 70 18593 155 13 -5.5 11.8 | 162 21 -6.5 20.3 46 70 18620 145 13 -7.5 10.6 | 156 21 -8.5 19.2 47 67 18898 150 13 -6.5 11.3 | 159 21 -7.5 19.8 48 63 19202 95 18 -17.9 1.6 | 118 21 -18.9 10.1 49 57 19812 80 20 -19.7 -3.5 | 104 21 -20.7 5.1 50 54 20117 90 18 -18.0 0.0 | 114 21 -19.0 8.5 51 52 20422 60 25 -21.7 -12.5 | 80 23 -22.7 -4.0 52 50 20600 80 21 -20.7 -3.6 | 103 22 -21.7 4.9 53 49 20726 80 17 -16.7 -3.0 | 107 19 -17.8 5.6 54 44 21336 65 26 -23.6 -11.0 | 84 25 -24.6 -2.4 55 42 21641 60 19 -16.5 -9.5 | 87 17 -17.5 -1.0 56 40 21946 35 15 -8.6 -12.3 | 69 10 -9.6 -3.7 57 38 22250 85 11 -11.0 -1.0 | 122 14 -12.0 7.6 58 36 22555 115 15 -13.6 6.3 | 136 21 -14.6 14.9 59 35 22860 110 24 -22.6 8.2 | 125 29 -23.6 16.7 60 33 23165 125 31 -25.4 17.8 | 135 37 -26.4 26.3 61 31 23470 95 32 -31.9 2.8 | 109 35 -32.9 11.3 62 30 23730 90 39 -39.0 0.0 | 102 41 -40.0 8.5 63 28 24079 95 40 -39.8 3.5 | 106 43 -40.9 12.0 64 25 24994 100 36 -35.5 6.3 | 112 39 -36.5 14.8 65 22 25603 80 33 -32.5 -5.7 | 95 34 -33.5 2.8 66 21 25908 90 29 -29.0 0.0 | 106 31 -30.0 8.5 67 20 26310 70 34 -31.9 -11.6 | 85 33 -33.0 -3.1 68 19 26518 70 33 -31.0 -11.3 | 85 32 -32.0 -2.7 69 16 27127 85 34 -33.9 -3.0 | 99 35 -34.9 5.6 70 15 27432 65 29 -26.3 -12.3 | 82 28 -27.3 -3.7 71 14 27737 85 24 -23.9 -2.1 | 105 26 -24.9 6.4 72 13 28042 80 22 -21.7 -3.8 | 102 23 -22.7 4.7 Wind Parameters Mean winds (0-6000m): 323.2 at 11.5 knts Storm direction: 353.2 at 8.6 knts Shear (0-3000m) pos: 0.9 neg: 3.8 tot: 4.7 10-3/s Storm rel Dir Shear (0-3000m): -177.0 deg Storm rel helicity (0-3000m) pos: 21.2 neg: -70.4 tot: -49.3 m^2/s^2 ave: -16.4 10^-3 m/s^2 rel: -0.37 Storm rel vorticity (0-3000m) horiz: 9.8 stream: -3.7 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.28 Bulk Shear: 29.75 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 2 22 7 14| 0.0 8.9 8.9| 0.0 -20.9 -20.9 -41.8 -0.44| 14.5 -6.4 1000 358 23 1 15| 0.0 4.4 4.4| 6.6 -44.9 -38.3 -38.3 -0.44| 13.3 -5.8 1500 352 21 352 12| 0.0 3.8 3.8| 6.6 -57.8 -51.2 -34.2 -0.51| 11.3 -5.8 2000 350 18 346 9| 0.0 3.6 3.6| 6.6 -63.4 -56.8 -28.4 -0.54| 10.7 -5.7 2500 348 15 342 6| 1.1 2.9 4.0| 7.8 -70.4 -62.7 -25.1 -0.55| 10.0 -5.5 3000 346 13 332 5| 0.9 3.8 4.7| 21.2 -70.4 -49.3 -16.4 -0.37| 9.8 -3.7 4000 329 12 290 6| 0.7 3.2 3.9| 42.6 -72.9 -30.2 -7.6 -0.24| 8.9 -2.1 5000 326 12 282 6| 1.4 2.6 4.0| 51.6 -72.9 -21.3 -4.3 -0.15| 8.0 -1.2 6000 323 11 276 6| 1.2 2.8 4.0| 52.8 -81.7 -28.9 -4.8 -0.18| 7.5 -1.3 Wrote GIF file: /home/apache/climate/data/raob//SBVT/skewt/SBVT.skewt.20251202.12.gif