UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2026010812.upa.cvt Date: 1200Z 8 JAN 26 Searching for SBVT... Searching the city database file for: SBVT ... Date:1200Z 8 JAN 26 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 1017 4 26.6 22.7 79 3.9 23.8 340 3 298.3 301.5 296.3 348.7 17.33 1 1000 154 25.4 20.9 76 4.5 22.2 350 4 298.5 301.4 295.4 344.4 15.75 2 952 586 21.0 20.6 98 0.4 20.7 38 5 298.3 301.3 295.6 345.6 16.25 3 925 836 19.4 18.4 94 1.0 18.7 35 10 299.1 301.8 294.7 341.6 14.55 4 921 873 19.0 17.7 92 1.3 18.1 35 10 299.1 301.7 294.3 339.8 13.97 5 855 1511 17.2 9.2 59 8.0 12.3 35 19 303.7 305.2 291.5 329.3 8.57 6 850 1561 16.8 11.8 72 5.0 13.6 35 18 303.7 305.6 292.9 334.4 10.28 7 849 1571 16.8 12.3 75 4.5 13.9 35 18 303.8 305.8 293.2 335.6 10.65 8 842 1642 17.2 6.2 48 11.0 10.7 36 18 305.0 306.3 290.7 326.4 7.08 9 822 1847 15.8 10.8 72 5.0 12.6 37 18 305.6 307.5 293.2 335.5 9.95 10 809 1982 15.2 7.2 59 8.0 10.4 39 17 306.4 307.8 291.8 330.3 7.90 11 791 2173 13.2 12.9 98 0.3 13.0 41 17 306.2 308.4 294.8 342.0 11.91 12 757 2544 14.4 3.4 48 11.0 8.1 42 16 311.4 312.6 292.1 331.5 6.46 13 724 2920 12.8 -7.2 24 20.0 3.4 33 14 313.6 314.2 289.8 323.5 3.07 14 700 3202 10.4 -10.6 22 21.0 1.3 65 11 314.0 314.5 289.3 321.9 2.43 15 697 3238 10.2 -10.8 22 21.0 1.1 65 11 314.2 314.6 289.3 322.0 2.40 16 641 3925 4.0 -11.0 33 15.0 -2.3 50 15 314.7 315.2 289.7 323.1 2.57 17 637 3976 3.8 -12.2 30 16.0 -2.7 48 15 315.1 315.5 289.6 322.8 2.35 18 632 4040 4.0 -2.0 65 6.0 0.9 47 15 316.0 317.0 292.4 332.7 5.23 19 627 4104 4.2 -16.8 20 21.0 -3.6 45 16 317.0 317.3 289.5 322.5 1.64 20 622 4169 4.0 -19.0 17 23.0 -4.2 43 16 317.5 317.7 289.4 322.1 1.37 21 613 4287 3.2 -18.8 18 22.0 -4.6 40 17 317.9 318.1 289.6 322.7 1.41 22 605 4393 2.0 -2.3 73 4.3 -0.2 36 15 317.7 318.7 293.0 334.8 5.35 23 601 4447 2.0 -12.0 35 14.0 -3.8 35 14 318.3 318.8 290.7 326.7 2.53 24 571 4859 0.6 -33.4 6 34.0 -8.0 26 12 321.3 321.4 289.6 322.8 0.40 25 545 5231 -1.5 -32.5 7 31.0 -9.4 19 11 323.1 323.2 290.2 324.8 0.46 26 500 5910 -6.5 -31.5 12 25.0 -12.6 25 16 325.1 325.2 290.9 327.1 0.55 27 416 7317 -16.7 -42.7 9 26.0 -20.8 15 12 329.6 329.6 291.8 330.4 0.21 28 400 7610 -18.5 -43.5 9 25.0 -22.2 30 11 330.9 331.0 292.2 331.7 0.20 29 384 7914 -19.9 -50.9 5 31.0 -23.6 34 13 333.0 333.0 292.6 333.4 0.09 30 378 8031 -19.7 -49.7 5 30.0 -23.5 32 13 334.8 334.8 293.1 335.2 0.11 31 310 9468 -31.7 -51.7 12 20.0 -33.4 356 6 337.5 337.5 293.8 337.9 0.10 32 305 9583 -31.5 -49.5 15 18.0 -33.1 346 5 339.4 339.4 294.3 339.9 0.14 33 300 9700 -32.3 -49.3 17 17.0 -33.8 335 3 339.9 339.9 294.4 340.4 0.14 34 250 10960 -42.5 -53.5 29 11.0 -43.1 275 7 342.9 342.9 295.1 343.3 0.10 35 241 11205 -44.7 -53.7 36 9.0 -45.2 271 9 343.2 343.2 295.2 343.6 0.11 36 233 11430 -46.3 -61.3 17 15.0 -46.8 268 10 344.1 344.1 295.3 344.3 0.04 37 208 12169 -53.3 -66.3 19 13.0 -53.6 255 10 344.5 344.5 295.4 344.6 0.02 38 200 12420 -55.1 -64.1 32 9.0 -55.3 280 12 345.5 345.5 295.7 345.7 0.03 39 183 12981 -60.1 -66.1 45 6.0 -60.2 265 10 346.3 346.3 295.8 346.4 0.03 40 179 13119 -61.3 -66.2 52 4.9 -61.4 272 9 346.5 346.5 295.9 346.6 0.03 41 163 13695 -64.7 -75.7 21 11.0 -64.8 306 8 350.2 350.2 296.7 350.2 0.01 42 159 13847 -65.9 -74.9 27 9.0 -66.0 314 8 350.7 350.7 296.8 350.7 0.01 43 150 14200 -66.5 -76.5 23 10.0 -66.5 335 7 355.5 355.5 297.8 355.6 0.01 44 136 14789 -69.5 -82.5 13 13.0 -69.5 339 9 360.3 360.3 298.8 360.3 0.00 45 102 16476 -76.7 -88.7 13 12.0 -76.7 355 17 377.4 377.4 301.8 377.4 0.00 46 100 16590 -76.7 -89.7 11 13.0 -76.7 345 15 379.5 379.5 302.2 379.5 0.00 47 90 17198 -74.5 -89.5 8 15.0 -74.6 24 15 395.5 395.5 304.6 395.5 0.00 48 74 18322 -79.1 -91.1 12 12.0 -79.1 203 10 408.6 408.6 306.3 408.6 0.00 49 70 18640 -76.3 -90.3 9 14.0 -76.3 80 23 421.2 421.2 307.9 421.2 0.00 50 63 19250 -74.1 -89.1 8 15.0 -74.2 81 20 438.9 438.9 309.8 438.9 0.00 51 58 19729 -75.3 -90.3 8 15.0 -75.4 134 21 446.7 446.7 310.6 446.7 0.00 52 50 20610 -65.1 -89.1 2 24.0 -65.4 95 21 490.1 490.1 314.2 490.1 0.00 53 46 21119 -63.5 -88.5 2 25.0 -63.9 105 23 505.8 505.8 315.4 505.8 0.00 54 44 21390 -64.7 -88.7 2 24.0 -65.1 110 24 509.3 509.3 315.6 509.3 0.00 55 33 23165 -59.3 -87.3 1 28.0 -60.2 61 32 567.3 567.3 319.0 567.3 0.01 56 30 23760 -59.9 -87.9 1 28.0 -60.8 95 38 581.3 581.3 319.8 581.4 0.01 57 25 24899 -59.7 -86.7 2 27.0 -60.8 70 42 613.0 613.0 321.2 613.1 0.01 58 22 25711 -52.9 -83.9 1 31.0 -55.4 75 39 656.1 656.1 322.9 656.2 0.02 59 20 26330 -49.7 -81.7 1 32.0 -53.2 95 39 684.0 684.1 323.9 684.2 0.03 60 19 26666 -49.1 -82.1 1 33.0 -53.0 99 40 696.0 696.0 324.3 696.2 0.02 TRP 102 16476 -76.7 -88.7 13 12.0 -76.7 355 17 377.4 377.4 301.8 377.4 0.00 WND Sounding variables and indices 1000-500 mb thick: 5756.00 m Freezing level: 563.57 mb = 4964.86 m = 16288.71 ft Wetbulb zero: 679.29 mb = 3448.82 m = 11314.90 ft Precipitable water: 1.49 inches Sfc-500 mean rel hum: 45.01 % Est. max temperature: 31.11 C = 88.00 F Sfc-Lift cond lev (LCL): 961.20 mb = 501.51 m = 1645.35 ft T: 21.86 C 700-500 lapse rate: 6.24 C/km ThetaE index: 20.06 C Layer 757.0- 697.0 mb Conv cond level (CCL): 931.33 mb = 776.75 m = 2548.37 ft Mean mixing ratio: 15.75 g/kg Conv temperature: 27.24 C = 81.04 F Cap Strength: 2.47 C Lifted Index: -1.48 C Risk: Thunderstorms probable Lifted Index @300 mb: -0.85 C Lifted Index @700 mb: 1.36 C Showalter Index: 2.68 C Risk: Showers probable Total Totals Index: 41.60 C Risk: None Vertical Totals Index: 23.30 C Cross Totals Index: 18.30 C K Index: 14.10 Risk: None Sweat Index: 193.60 Risk: None Energy Index: -1.28 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 390.55 J/kg Max Up Vert Vel: 27.95 m/s Conv Inhibition (B-): 0.27 J/kg Cap Strength: 2.48 C Lift Cond Lev (LCL): 936.71 mb = 726.65 m = 2383.99 ft Lev Free Conv (LFC): 921.71 mb = 866.64 m = 2843.28 ft Equ Level (EL): 891.71 mb = 1150.40 m = 3774.23 ft B at Equ Level: 3.51 J/kg Max Parcel Lev (MPL): 861.71 mb = 1443.84 m = 4736.96 ft Wind level data Storm motion: 66 at 10 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 1017 4 340 3 1.0 -2.8 | 264 10 9.9 1.1 1 1000 154 350 4 0.7 -3.9 | 270 10 9.5 0.0 2 983 305 15 4 -1.0 -3.9 | 269 8 7.8 0.1 3 949 610 40 5 -3.2 -3.8 | 269 6 5.6 0.1 4 925 836 35 10 -5.7 -8.2 | 324 5 3.1 -4.2 5 917 914 35 10 -5.7 -8.2 | 324 5 3.1 -4.2 6 854 1524 35 19 -10.9 -15.6 | 10 12 -2.0 -11.6 7 850 1561 35 18 -10.3 -14.7 | 8 11 -1.5 -10.8 8 794 2134 40 17 -10.9 -13.0 | 13 9 -2.1 -9.1 9 766 2438 45 16 -11.3 -11.3 | 18 8 -2.5 -7.4 10 713 3048 30 14 -7.0 -12.1 | 347 8 1.9 -8.2 11 700 3202 65 11 -10.0 -4.6 | 58 1 -1.1 -0.7 12 687 3353 65 11 -10.0 -4.6 | 58 1 -1.1 -0.7 13 613 4267 40 17 -10.9 -13.0 | 13 9 -2.1 -9.1 14 590 4572 30 12 -6.0 -10.4 | 336 7 2.9 -6.5 15 527 5486 15 11 -2.8 -10.6 | 318 9 6.0 -6.7 16 500 5910 25 16 -6.8 -14.5 | 349 11 2.1 -10.6 17 488 6096 25 17 -7.2 -15.4 | 352 12 1.7 -11.5 18 433 7010 360 13 -0.0 -13.0 | 316 13 8.9 -9.1 19 400 7610 30 11 -5.5 -9.5 | 329 7 3.4 -5.6 20 399 7620 10 11 -1.9 -10.8 | 315 10 6.9 -6.9 21 383 7925 35 13 -7.5 -10.6 | 348 7 1.4 -6.7 22 367 8230 25 12 -5.1 -10.9 | 331 8 3.8 -6.9 23 352 8534 10 10 -1.7 -9.8 | 310 9 7.1 -5.9 24 324 9144 25 11 -4.6 -10.0 | 325 7 4.2 -6.0 25 300 9700 335 3 1.3 -2.7 | 263 10 10.1 1.2 26 273 10363 315 2 1.4 -1.4 | 256 11 10.3 2.5 27 250 10960 275 7 7.0 -0.6 | 258 16 15.8 3.3 28 238 11278 270 10 10.0 -0.0 | 258 19 18.9 3.9 29 207 12192 255 10 9.7 2.6 | 251 20 18.5 6.5 30 200 12420 280 12 11.8 -2.1 | 265 21 20.7 1.9 31 198 12497 280 12 11.8 -2.1 | 265 21 20.7 1.9 32 188 12802 255 10 9.7 2.6 | 251 20 18.5 6.5 33 150 14200 335 7 3.0 -6.3 | 281 12 11.8 -2.4 34 132 14935 340 10 3.4 -9.4 | 294 13 12.3 -5.5 35 126 15240 360 15 -0.0 -15.0 | 321 14 8.9 -11.1 36 119 15545 350 16 2.8 -15.8 | 315 17 11.6 -11.8 37 108 16154 285 11 10.6 -2.8 | 267 20 19.5 1.1 38 102 16476 355 17 1.5 -16.9 | 321 17 10.3 -13.0 39 100 16590 345 15 3.9 -14.5 | 310 17 12.7 -10.5 40 97 16764 350 15 2.6 -14.8 | 313 16 11.5 -10.8 41 92 17069 355 15 1.3 -14.9 | 317 15 10.2 -11.0 42 87 17374 65 16 -14.5 -6.8 | 63 6 -5.6 -2.8 43 83 17678 310 1 0.8 -0.6 | 251 10 9.6 3.3 44 74 18288 215 10 5.7 8.2 | 230 19 14.6 12.1 45 71 18593 100 14 -13.8 2.4 | 142 8 -4.9 6.4 46 70 18640 80 23 -22.7 -4.0 | 90 14 -13.8 -0.1 47 67 18898 80 21 -20.7 -3.6 | 91 12 -11.8 0.3 48 64 19202 70 21 -19.7 -7.2 | 73 11 -10.9 -3.2 49 60 19507 130 18 -13.8 11.6 | 162 16 -4.9 15.5 50 57 19812 135 22 -15.6 15.6 | 161 21 -6.7 19.5 51 52 20422 65 34 -30.8 -14.4 | 65 24 -22.0 -10.4 52 50 20610 95 21 -20.9 1.8 | 116 13 -12.1 5.8 53 42 21641 115 25 -22.7 10.6 | 136 20 -13.8 14.5 54 40 21946 85 18 -17.9 -1.6 | 105 9 -9.1 2.4 55 38 22250 70 37 -34.8 -12.7 | 71 27 -25.9 -8.7 56 35 22860 45 31 -21.9 -21.9 | 36 22 -13.1 -18.0 57 33 23165 60 32 -27.7 -16.0 | 57 22 -18.9 -12.1 58 31 23470 100 27 -26.6 4.7 | 116 20 -17.7 8.6 59 30 23760 95 38 -37.9 3.3 | 104 30 -29.0 7.3 60 29 24079 95 37 -36.9 3.2 | 104 29 -28.0 7.2 61 26 24689 85 48 -47.8 -4.2 | 90 39 -39.0 -0.2 62 25 24994 65 40 -36.3 -16.9 | 65 30 -27.4 -13.0 63 24 25298 85 39 -38.9 -3.4 | 91 30 -30.0 0.5 64 22 25603 70 40 -37.6 -13.7 | 71 30 -28.7 -9.7 65 20 26213 95 35 -34.9 3.1 | 105 27 -26.0 7.0 66 20 26330 95 39 -38.9 3.4 | 104 31 -30.0 7.3 67 17 26822 105 42 -40.6 10.9 | 115 35 -31.7 14.8 Wind Parameters Mean winds (0-6000m): 36.0 at 12.9 knts Storm direction: 66.0 at 9.7 knts Shear (0-3000m) pos: 1.4 neg: 1.2 tot: 2.5 10-3/s Storm rel Dir Shear (0-3000m): 85.7 deg Storm rel helicity (0-3000m) pos: 24.8 neg: -9.6 tot: 15.2 m^2/s^2 ave: 5.1 10^-3 m/s^2 rel: 0.33 Storm rel vorticity (0-3000m) horiz: 4.6 stream: 1.5 10^-3/s Energy-Hel index: 0.06 Bulk Rich Number: 31.90 Bulk Shear: 12.24 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 7 4 270 8| 3.7 0.0 3.7| 3.2 -0.3 2.9 5.7 0.27| 4.3 1.2 1000 27 6 282 6| 5.1 0.0 5.1| 11.2 -0.5 10.7 10.7 0.62| 5.8 3.6 1500 32 9 312 6| 3.4 2.5 5.9| 20.9 -0.5 20.4 13.6 0.62| 6.4 4.0 2000 34 11 334 6| 2.3 1.9 4.2| 22.6 -1.2 21.4 10.7 0.57| 5.4 3.1 2500 36 12 345 6| 1.7 1.5 3.2| 24.8 -2.1 22.8 9.1 0.54| 4.8 2.6 3000 36 13 348 6| 1.4 1.2 2.5| 24.8 -9.6 15.2 5.1 0.33| 4.6 1.5 4000 41 13 355 6| 1.5 1.5 2.9| 28.6 -11.8 16.8 4.2 0.28| 5.3 1.5 5000 39 13 354 6| 1.2 1.3 2.5| 28.6 -27.1 1.5 0.3 0.08| 5.2 0.4 6000 36 13 349 7| 1.3 1.2 2.4| 42.4 -29.5 12.9 2.2 0.15| 5.0 0.7 Wrote GIF file: /home/apache/climate/data/raob//SBVT/skewt/SBVT.skewt.20260108.12.gif