UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120612.upa.cvt Date: 1200Z 6 DEC 25 Searching for SBVT... Searching the city database file for: SBVT ... Date:1200Z 6 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 1016 4 24.8 19.8 74 5.0 21.3 160 6 296.6 299.2 293.9 338.3 14.45 1 1000 144 23.2 19.1 78 4.1 20.4 160 6 296.4 298.9 293.5 336.8 14.05 2 925 820 18.0 15.6 86 2.4 16.4 125 4 297.7 299.9 292.5 332.9 12.14 3 891 1140 15.0 14.8 99 0.2 14.9 88 6 297.8 300.0 292.4 332.5 11.96 4 863 1411 14.8 14.8 100 0.0 14.8 49 8 300.3 302.6 293.4 336.6 12.36 5 850 1540 15.8 13.7 87 2.1 14.4 30 9 302.7 304.8 293.6 337.3 11.67 6 849 1550 16.0 13.8 87 2.2 14.6 30 9 303.0 305.2 293.8 337.9 11.76 7 738 2728 9.4 9.3 99 0.1 9.3 315 3 308.2 310.1 294.0 338.6 10.02 8 726 2865 10.0 6.4 78 3.6 7.8 315 2 310.3 311.9 293.3 335.9 8.34 9 700 3167 7.8 6.5 91 1.3 7.0 330 6 311.1 312.8 293.8 337.9 8.71 10 632 4003 2.8 1.7 92 1.1 2.2 335 12 314.6 316.0 293.4 336.2 6.87 11 602 4395 0.0 -2.8 81 2.8 -1.4 330 13 315.8 316.8 292.3 332.3 5.18 12 589 4570 -0.5 -20.5 20 20.0 -7.1 321 16 317.2 317.5 289.2 321.5 1.27 13 583 4652 -1.3 -11.3 46 10.0 -5.4 315 15 317.2 317.7 290.6 326.3 2.76 14 568 4860 -1.3 -33.3 7 32.0 -9.1 298 13 319.6 319.7 289.0 321.1 0.41 15 556 5030 -2.5 -13.5 43 11.0 -6.8 300 12 320.1 320.6 291.2 328.2 2.43 16 554 5059 -2.7 -16.7 33 14.0 -7.8 301 11 320.2 320.6 290.7 326.5 1.87 17 544 5204 -1.7 -47.7 2 46.0 -10.2 304 10 323.1 323.1 289.8 323.4 0.09 18 500 5870 -6.7 -39.7 5 33.0 -13.3 255 7 324.9 324.9 290.5 325.8 0.24 19 433 6974 -15.9 -39.9 11 24.0 -20.0 243 16 326.8 326.9 291.1 327.9 0.27 20 422 7168 -15.3 -48.3 4 33.0 -20.0 255 17 330.0 330.0 291.9 330.5 0.11 21 400 7570 -18.3 -56.3 2 38.0 -22.4 255 21 331.2 331.2 292.1 331.4 0.05 22 313 9351 -32.1 -59.1 5 27.0 -33.8 228 34 336.0 336.0 293.4 336.2 0.04 23 300 9650 -33.3 -62.3 4 29.0 -35.0 225 44 338.4 338.4 294.0 338.6 0.03 24 278 10179 -36.7 -57.7 10 21.0 -37.9 226 53 341.0 341.0 294.6 341.2 0.06 25 250 10900 -43.3 -57.3 20 14.0 -43.9 235 51 341.7 341.7 294.8 342.0 0.07 26 224 11630 -50.5 -60.5 30 10.0 -50.8 235 47 341.5 341.6 294.7 341.8 0.05 27 204 12234 -55.7 -67.7 21 12.0 -55.9 246 43 342.6 342.6 295.0 342.7 0.02 28 200 12360 -56.1 -68.1 21 12.0 -56.3 250 42 343.9 343.9 295.3 344.0 0.02 29 192 12619 -57.1 -74.1 10 17.0 -57.3 253 43 346.4 346.4 295.8 346.4 0.01 30 150 14150 -65.7 -78.7 15 13.0 -65.8 220 30 356.9 356.9 298.1 356.9 0.01 31 133 14872 -69.3 -82.3 13 13.0 -69.4 237 36 363.0 363.0 299.3 363.0 0.00 32 127 15149 -67.1 -86.1 5 19.0 -67.2 227 36 371.8 371.8 300.9 371.8 0.00 33 100 16560 -75.1 -89.1 10 14.0 -75.2 140 21 382.6 382.6 302.6 382.6 0.00 34 93 16979 -77.5 -88.5 15 11.0 -77.5 135 7 385.9 385.9 303.2 385.9 0.00 35 75 18221 -74.7 -88.7 10 14.0 -74.7 100 20 416.3 416.3 307.3 416.3 0.00 36 70 18620 -76.9 -89.9 11 13.0 -76.9 70 14 419.9 419.9 307.7 419.9 0.00 37 69 18703 -76.7 -89.7 11 13.0 -76.7 67 14 422.0 422.0 307.9 422.0 0.00 38 59 19619 -70.3 -90.3 4 20.0 -70.4 87 22 455.7 455.7 311.4 455.7 0.00 39 50 20610 -67.7 -90.7 2 23.0 -67.9 85 25 484.0 484.0 313.8 484.0 0.00 40 34 22966 -61.3 -90.3 1 29.0 -62.0 102 26 557.2 557.2 318.5 557.2 0.00 41 31 23538 -62.7 -90.7 1 28.0 -63.3 90 36 568.4 568.4 319.0 568.4 0.00 42 30 23740 -61.9 -90.9 1 29.0 -62.6 85 40 575.9 575.9 319.5 575.9 0.00 43 23 25426 -51.9 -86.9 1 35.0 -54.6 72 24 650.8 650.8 322.7 650.8 0.01 44 20 26330 -53.1 -86.1 1 33.0 -55.8 90 25 673.6 673.6 323.6 673.7 0.01 45 17 27378 -52.9 -85.9 1 33.0 -55.9 80 25 706.3 706.3 324.6 706.4 0.01 TRP 93 16979 -77.5 -88.5 15 11.0 -77.5 135 7 385.9 385.9 303.2 385.9 0.00 WND Sounding variables and indices 1000-500 mb thick: 5726.00 m Freezing level: 602.00 mb = 4395.25 m = 14419.94 ft Wetbulb zero: 613.64 mb = 4240.83 m = 13913.33 ft Precipitable water: 1.79 inches Sfc-500 mean rel hum: 71.02 % Est. max temperature: 28.28 C = 82.91 F Sfc-Lift cond lev (LCL): 944.56 mb = 638.56 m = 2094.97 ft T: 19.40 C 700-500 lapse rate: 5.36 C/km ThetaE index: 5.75 C Layer 1000.0- 863.0 mb Conv cond level (CCL): 909.06 mb = 968.43 m = 3177.23 ft Mean mixing ratio: 13.18 g/kg Conv temperature: 25.97 C = 78.75 F Cap Strength: 3.17 C Lifted Index: 2.19 C Risk: None Lifted Index @300 mb: 3.74 C Lifted Index @700 mb: 1.69 C Showalter Index: 1.25 C Risk: Showers probable Total Totals Index: 42.90 C Risk: None Vertical Totals Index: 22.50 C Cross Totals Index: 20.40 C K Index: 34.90 Risk: 60-80 % chance of thunderstorms Sweat Index: 189.40 Risk: None Energy Index: -2.15 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 5.07 J/kg Max Up Vert Vel: 3.18 m/s Conv Inhibition (B-): 3.11 J/kg Cap Strength: 3.05 C Lift Cond Lev (LCL): 919.36 mb = 872.24 m = 2861.66 ft Lev Free Conv (LFC): 894.36 mb = 1107.69 m = 3634.11 ft Equ Level (EL): 864.36 mb = 1397.59 m = 4585.23 ft B at Equ Level: 3.40 J/kg Max Parcel Lev (MPL): 854.36 mb = 1496.51 m = 4909.76 ft Wind level data Storm motion: 10 at 6 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 1016 4 160 6 -2.1 5.6 | 174 11 -1.1 11.2 1 1000 144 160 6 -2.1 5.6 | 174 11 -1.1 11.2 2 982 305 135 7 -4.9 4.9 | 159 11 -4.0 10.5 3 948 610 110 5 -4.7 1.7 | 153 8 -3.8 7.3 4 925 820 125 4 -3.3 2.3 | 163 8 -2.3 7.9 5 915 914 120 4 -3.5 2.0 | 162 8 -2.5 7.6 6 850 1540 30 9 -4.5 -7.8 | 58 4 -3.6 -2.2 7 792 2134 360 3 -0.0 -3.0 | 200 3 0.9 2.6 8 764 2438 315 3 2.1 -2.1 | 222 5 3.1 3.5 9 710 3048 315 2 1.4 -1.4 | 210 5 2.4 4.2 10 700 3167 330 6 3.0 -5.2 | 264 4 3.9 0.4 11 684 3353 20 11 -3.8 -10.3 | 31 6 -2.8 -4.8 12 659 3658 25 11 -4.6 -10.0 | 40 6 -3.7 -4.4 13 634 3962 335 12 5.1 -10.9 | 311 8 6.0 -5.3 14 610 4267 335 11 4.6 -10.0 | 308 7 5.6 -4.4 15 588 4572 320 16 10.3 -12.3 | 301 13 11.2 -6.7 16 566 4877 295 13 11.8 -5.5 | 270 13 12.7 0.1 17 545 5182 305 10 8.2 -5.7 | 271 9 9.1 -0.2 18 524 5486 280 4 3.9 -0.7 | 225 7 4.9 4.9 19 500 5870 255 7 6.8 1.8 | 226 11 7.7 7.4 20 485 6096 255 10 9.7 2.6 | 232 13 10.6 8.2 21 448 6706 230 14 10.7 9.0 | 219 19 11.7 14.6 22 430 7010 245 16 14.5 6.8 | 231 20 15.4 12.3 23 414 7315 265 19 18.9 1.7 | 250 21 19.9 7.2 24 400 7570 255 21 20.3 5.4 | 243 24 21.2 11.0 25 397 7620 250 19 17.9 6.5 | 237 22 18.8 12.1 26 365 8230 260 28 27.6 4.9 | 250 30 28.5 10.4 27 350 8534 260 23 22.7 4.0 | 248 25 23.6 9.6 28 336 8839 250 22 20.7 7.5 | 239 25 21.6 13.1 29 322 9144 230 27 20.7 17.4 | 223 32 21.6 22.9 30 300 9650 225 44 31.1 31.1 | 221 49 32.1 36.7 31 283 10058 225 53 37.5 37.5 | 222 58 38.4 43.1 32 250 10900 235 51 41.8 29.3 | 231 55 42.7 34.8 33 215 11887 235 46 37.7 26.4 | 230 50 38.6 32.0 34 200 12360 250 42 39.5 14.4 | 244 45 40.4 19.9 35 186 12802 255 43 41.5 11.1 | 249 46 42.5 16.7 36 169 13411 220 44 28.3 33.7 | 217 49 29.2 39.3 37 150 14150 220 30 19.3 23.0 | 215 35 20.2 28.6 38 146 14326 215 32 18.4 26.2 | 211 37 19.3 31.8 39 131 14935 240 36 31.2 18.0 | 234 40 32.1 23.6 40 125 15240 220 36 23.1 27.6 | 216 41 24.1 33.2 41 113 15850 180 24 0.0 24.0 | 182 30 0.9 29.6 42 107 16154 180 14 0.0 14.0 | 183 20 0.9 19.6 43 102 16459 205 13 5.5 11.8 | 200 19 6.4 17.4 44 100 16560 140 21 -13.5 16.1 | 150 25 -12.6 21.7 45 97 16764 150 21 -10.5 18.2 | 158 26 -9.6 23.8 46 93 16979 135 7 -4.9 4.9 | 159 11 -4.0 10.5 47 92 17069 130 18 -13.8 11.6 | 143 21 -12.8 17.2 48 87 17374 135 7 -4.9 4.9 | 159 11 -4.0 10.5 49 82 17678 110 26 -24.4 8.9 | 122 28 -23.5 14.5 50 78 17983 100 25 -24.6 4.3 | 113 26 -23.7 9.9 51 74 18288 100 18 -17.7 3.1 | 117 19 -16.8 8.7 52 70 18593 65 21 -19.0 -8.9 | 80 18 -18.1 -3.3 53 70 18620 70 14 -13.2 -4.8 | 94 12 -12.2 0.8 54 67 18898 60 15 -13.0 -7.5 | 81 12 -12.0 -1.9 55 63 19202 80 20 -19.7 -3.5 | 96 19 -18.8 2.1 56 57 19812 90 23 -23.0 0.0 | 104 23 -22.1 5.6 57 54 20117 55 23 -18.8 -13.2 | 67 19 -17.9 -7.6 58 52 20422 90 21 -21.0 0.0 | 106 21 -20.1 5.6 59 50 20610 85 25 -24.9 -2.2 | 98 24 -24.0 3.4 60 49 20726 95 26 -25.9 2.3 | 107 26 -25.0 7.8 61 42 21641 85 23 -22.9 -2.0 | 99 22 -22.0 3.6 62 40 21946 60 18 -15.6 -9.0 | 77 15 -14.6 -3.4 63 38 22250 105 13 -12.6 3.4 | 128 15 -11.6 8.9 64 36 22555 80 18 -17.7 -3.1 | 98 17 -16.8 2.5 65 35 22860 105 24 -23.2 6.2 | 118 25 -22.2 11.8 66 30 23740 85 40 -39.8 -3.5 | 93 39 -38.9 2.1 67 28 24079 90 40 -40.0 0.0 | 98 39 -39.1 5.6 68 25 24994 85 29 -28.9 -2.5 | 96 28 -27.9 3.1 69 24 25298 65 26 -23.6 -11.0 | 77 23 -22.6 -5.4 70 22 25603 80 21 -20.7 -3.6 | 96 20 -19.7 1.9 71 21 25908 110 22 -20.7 7.5 | 124 24 -19.7 13.1 72 20 26213 95 23 -22.9 2.0 | 109 23 -22.0 7.6 73 20 26330 90 25 -25.0 0.0 | 103 25 -24.1 5.6 74 19 26518 110 29 -27.3 9.9 | 121 31 -26.3 15.5 75 17 26822 80 24 -23.6 -4.2 | 94 23 -22.7 1.4 76 16 27127 80 26 -25.6 -4.5 | 92 25 -24.7 1.1 77 15 27432 60 26 -22.5 -13.0 | 71 23 -21.6 -7.4 Wind Parameters Mean winds (0-6000m): 339.6 at 7.5 knts Storm direction: 9.6 at 5.7 knts Shear (0-3000m) pos: 0.0 neg: 1.4 tot: 1.4 10-3/s Storm rel Dir Shear (0-3000m): 36.0 deg Storm rel helicity (0-3000m) pos: 4.4 neg: -30.6 tot: -26.2 m^2/s^2 ave: -8.7 10^-3 m/s^2 rel: -0.39 Storm rel vorticity (0-3000m) horiz: 5.0 stream: -2.0 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.20 Bulk Shear: 24.81 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 ------------------------------------------------------------------------------- 500 143 6 165 11| 0.0 4.3 4.3| 0.0 -11.5 -11.5 -23.0 -0.75| 5.4 -4.0 1000 132 5 161 10| 0.0 2.5 2.5| 3.1 -14.8 -11.6 -11.6 -0.44| 4.7 -2.1 1500 106 6 147 9| 0.0 4.5 4.5| 3.1 -28.6 -25.5 -17.0 -0.69| 6.4 -4.4 2000 79 6 131 7| 0.0 2.6 2.6| 3.4 -29.5 -26.1 -13.1 -0.47| 6.4 -3.0 2500 68 6 130 5| 0.0 1.8 1.8| 4.4 -29.6 -25.2 -10.1 -0.37| 5.8 -2.2 3000 58 5 132 4| 0.0 1.4 1.4| 4.4 -30.6 -26.2 -8.7 -0.39| 5.0 -2.0 4000 28 6 93 2| 1.3 1.9 3.2| 16.9 -46.0 -29.1 -7.3 -0.14| 6.8 -1.0 5000 355 8 321 3| 1.1 1.9 2.9| 17.5 -73.7 -56.3 -11.3 -0.24| 7.0 -1.6 6000 340 8 293 4| 0.9 1.5 2.4| 20.2 -87.5 -67.3 -11.2 -0.26| 7.0 -1.8 Wrote GIF file: /home/apache/climate/data/raob//SBVT/skewt/SBVT.skewt.20251206.12.gif