UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120112.upa.cvt Date: 1200Z 1 DEC 25 Searching for SBVT... Searching the city database file for: SBVT ... Date:1200Z 1 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 1012 4 28.2 20.2 62 8.0 22.5 20 6 300.3 303.0 295.3 343.9 14.88 1 1006 56 26.0 19.0 65 7.0 21.1 15 7 298.6 301.2 294.1 339.0 13.87 2 1000 108 25.4 18.4 65 7.0 20.6 10 8 298.5 301.0 293.7 337.6 13.43 3 941 640 20.6 18.0 85 2.6 18.8 18 7 298.9 301.4 294.2 339.5 13.93 4 925 788 20.0 16.8 82 3.2 17.8 10 9 299.8 302.2 293.9 338.1 13.12 5 907 957 18.8 15.9 83 2.9 16.8 1 8 300.2 302.5 293.6 337.2 12.63 6 870 1316 18.6 1.6 32 17.0 9.4 332 13 303.6 304.5 288.3 318.6 4.94 7 858 1435 17.2 13.4 78 3.8 14.7 322 14 303.4 305.4 293.6 337.0 11.33 8 850 1515 17.0 13.8 81 3.2 14.9 315 15 304.0 306.1 294.0 338.9 11.75 9 835 1667 16.6 14.1 85 2.5 15.0 309 11 305.1 307.4 294.7 341.6 12.21 10 766 2398 14.0 -2.0 33 16.0 5.8 232 19 309.9 310.7 289.8 323.4 4.31 11 739 2699 11.2 2.2 54 9.0 6.2 217 22 310.0 311.2 291.4 328.9 6.08 12 735 2744 11.0 -1.0 43 12.0 4.7 215 22 310.3 311.2 290.4 325.4 4.84 13 720 2917 11.8 -27.2 5 39.0 -0.4 221 17 313.0 313.1 287.1 315.0 0.57 14 700 3152 10.4 -21.6 9 32.0 -0.7 230 11 314.0 314.2 287.9 317.3 0.97 15 641 3877 5.6 -15.4 20 21.0 -2.6 215 14 316.6 316.9 289.5 322.6 1.80 16 612 4253 2.8 -20.2 17 23.0 -5.1 220 19 317.6 317.8 289.3 321.8 1.25 17 516 5613 -4.7 -47.7 2 43.0 -12.2 269 15 324.4 324.4 290.2 324.8 0.10 18 500 5860 -5.9 -34.9 8 29.0 -12.5 280 12 325.8 325.9 290.9 327.3 0.39 19 467 6393 -8.9 -33.9 11 25.0 -14.6 273 18 328.5 328.6 291.8 330.3 0.47 20 400 7570 -19.3 -41.3 12 22.0 -22.7 260 19 329.9 330.0 292.0 330.9 0.26 21 395 7663 -20.1 -42.1 12 22.0 -23.4 259 19 330.0 330.1 292.0 331.0 0.24 22 305 9533 -30.5 -55.5 7 25.0 -32.5 253 21 340.8 340.8 294.6 341.1 0.07 23 300 9650 -31.7 -55.7 7 24.0 -33.5 265 25 340.7 340.7 294.6 341.0 0.07 24 250 10910 -43.1 -57.1 20 14.0 -43.7 245 26 342.0 342.0 294.8 342.3 0.07 25 219 11785 -50.9 -56.9 49 6.0 -51.1 218 34 343.1 343.2 295.1 343.5 0.08 26 209 12088 -52.7 -63.7 25 11.0 -52.9 208 37 344.9 345.0 295.6 345.1 0.03 27 200 12370 -55.3 -63.3 36 8.0 -55.5 200 42 345.2 345.2 295.6 345.4 0.04 28 189 12729 -58.5 -64.5 46 6.0 -58.6 200 46 345.7 345.7 295.7 345.8 0.03 29 177 13140 -60.7 -65.9 51 5.1 -60.8 190 59 348.6 348.6 296.4 348.7 0.03 30 175 13211 -61.1 -66.1 51 5.0 -61.2 190 59 349.1 349.1 296.4 349.2 0.03 31 163 13651 -62.5 -71.5 29 9.0 -62.6 178 47 353.9 353.9 297.5 354.0 0.02 32 150 14160 -66.5 -73.5 37 7.0 -66.5 180 20 355.5 355.5 297.8 355.6 0.01 33 116 15681 -75.3 -81.3 39 6.0 -75.3 238 37 366.4 366.4 299.9 366.4 0.00 34 110 15991 -72.7 -85.7 12 13.0 -72.8 222 37 376.8 376.8 301.7 376.9 0.00 35 103 16377 -72.5 -87.5 9 15.0 -72.5 188 43 384.4 384.4 302.9 384.4 0.00 36 101 16492 -72.9 -86.9 10 14.0 -72.9 168 38 385.8 385.8 303.2 385.8 0.00 37 100 16550 -72.9 -87.9 9 15.0 -72.9 145 27 386.9 386.9 303.3 386.9 0.00 38 79 17904 -78.9 -88.9 18 10.0 -78.9 130 5 401.5 401.5 305.4 401.5 0.00 39 74 18278 -74.7 -87.7 12 13.0 -74.7 144 13 417.9 417.9 307.4 417.9 0.00 40 70 18600 -73.9 -87.9 10 14.0 -74.0 115 12 426.3 426.3 308.4 426.3 0.00 41 63 19218 -71.5 -87.5 7 16.0 -71.6 69 10 444.6 444.6 310.3 444.6 0.00 42 50 20590 -68.7 -89.7 3 21.0 -68.9 85 19 481.6 481.6 313.6 481.6 0.00 43 30 23730 -57.9 -86.9 1 29.0 -59.0 90 30 586.8 586.8 320.0 586.8 0.01 44 20 26320 -53.3 -84.3 1 31.0 -55.9 65 27 673.0 673.0 323.5 673.1 0.02 45 19 26650 -53.1 -84.1 1 31.0 -55.8 65 27 683.6 683.6 323.9 683.7 0.02 TRP 79 17904 -78.9 -88.9 18 10.0 -78.9 130 5 401.5 401.5 305.4 401.5 0.00 WND 177 13140 -60.7 -65.9 51 5.1 -60.8 190 59 348.6 348.6 296.4 348.7 0.03 Sounding variables and indices 1000-500 mb thick: 5752.00 m Freezing level: 576.16 mb = 4760.64 m = 15618.72 ft Wetbulb zero: 721.15 mb = 2903.44 m = 9525.61 ft Precipitable water: 1.25 inches Sfc-500 mean rel hum: 35.81 % Est. max temperature: 31.32 C = 88.38 F Sfc-Lift cond lev (LCL): 901.06 mb = 1013.97 m = 3326.62 ft T: 18.77 C 700-500 lapse rate: 6.02 C/km ThetaE index: 20.88 C Layer 925.0- 858.0 mb Conv cond level (CCL): 787.56 mb = 2162.49 m = 7094.71 ft Mean mixing ratio: 13.59 g/kg Conv temperature: 36.25 C = 97.25 F Cap Strength: 3.40 C Lifted Index: 1.40 C Risk: Showers probable Lifted Index @300 mb: 3.17 C Lifted Index @700 mb: 3.11 C Showalter Index: 1.35 C Risk: Showers probable Total Totals Index: 42.60 C Risk: None Vertical Totals Index: 22.90 C Cross Totals Index: 19.70 C K Index: 4.70 Risk: None Sweat Index: 207.60 Risk: None Energy Index: -2.17 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 23.35 J/kg Max Up Vert Vel: 6.83 m/s Conv Inhibition (B-): 404.42 J/kg Cap Strength: 3.42 C Lift Cond Lev (LCL): 899.40 mb = 1029.88 m = 3378.84 ft Lev Free Conv (LFC): 414.40 mb = 7301.16 m = 23953.64 ft Equ Level (EL): 364.40 mb = 8246.24 m = 27054.27 ft B at Equ Level: 21.43 J/kg Max Parcel Lev (MPL): 334.40 mb = 8867.64 m = 29092.96 ft Wind level data Storm motion: 279 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 1012 4 20 6 -2.1 -5.6 | 71 13 -12.0 -4.1 1 1000 108 10 8 -1.4 -7.9 | 61 13 -11.3 -6.4 2 978 305 10 8 -1.4 -7.9 | 61 13 -11.3 -6.4 3 944 610 20 7 -2.4 -6.6 | 68 13 -12.3 -5.1 4 925 788 10 9 -1.6 -8.9 | 57 14 -11.5 -7.3 5 912 914 5 8 -0.7 -8.0 | 59 12 -10.7 -6.4 6 850 1515 315 15 10.6 -10.6 | 356 9 0.7 -9.1 7 849 1524 325 11 6.3 -9.0 | 26 8 -3.6 -7.5 8 819 1829 290 11 10.3 -3.8 | 350 2 0.4 -2.2 9 790 2134 245 10 9.1 4.2 | 171 6 -0.9 5.7 10 762 2438 230 21 16.1 13.5 | 202 16 6.1 15.0 11 735 2743 215 22 12.6 18.0 | 188 20 2.7 19.5 12 700 3152 230 11 8.4 7.1 | 170 9 -1.5 8.6 13 683 3353 235 7 5.7 4.0 | 143 7 -4.2 5.5 14 657 3658 205 11 4.6 10.0 | 155 13 -5.3 11.5 15 633 3962 220 16 10.3 12.3 | 181 14 0.3 13.8 16 609 4267 220 19 12.2 14.6 | 188 16 2.3 16.1 17 587 4572 220 17 10.9 13.0 | 184 15 1.0 14.5 18 565 4877 240 16 13.9 8.0 | 202 10 3.9 9.5 19 544 5182 245 16 14.5 6.8 | 209 9 4.5 8.3 20 504 5791 280 15 14.8 -2.6 | 283 5 4.8 -1.1 21 500 5860 280 12 11.8 -2.1 | 287 2 1.9 -0.6 22 485 6096 280 13 12.8 -2.3 | 284 3 2.8 -0.7 23 448 6706 265 24 23.9 2.1 | 255 14 14.0 3.6 24 414 7315 250 20 18.8 6.8 | 227 12 8.8 8.4 25 400 7570 260 19 18.7 3.3 | 241 10 8.8 4.8 26 365 8230 255 19 18.4 4.9 | 233 11 8.4 6.4 27 336 8839 275 14 13.9 -1.2 | 266 4 4.0 0.3 28 308 9449 245 18 16.3 7.6 | 215 11 6.4 9.1 29 300 9650 265 25 24.9 2.2 | 256 15 15.0 3.7 30 296 9754 260 28 27.6 4.9 | 250 19 17.6 6.4 31 271 10363 270 23 23.0 -0.0 | 263 13 13.0 1.5 32 259 10668 260 18 17.7 3.1 | 239 9 7.8 4.6 33 250 10910 245 26 23.6 11.0 | 227 18 13.6 12.5 34 206 12192 205 38 16.1 34.4 | 190 36 6.1 36.0 35 200 12370 200 42 14.4 39.5 | 186 41 4.4 41.0 36 178 13106 200 51 17.4 47.9 | 189 50 7.5 49.4 37 177 13140 190 59 10.2 58.1 | 180 60 0.3 59.6 38 169 13411 190 59 10.2 58.1 | 180 60 0.3 59.6 39 153 14021 160 28 -9.6 26.3 | 145 34 -19.5 27.8 40 150 14160 180 20 0.0 20.0 | 155 24 -10.0 21.5 41 138 14630 195 17 4.4 16.4 | 163 19 -5.6 17.9 42 132 14935 205 17 7.2 15.4 | 171 17 -2.8 16.9 43 125 15240 240 27 23.4 13.5 | 222 20 13.4 15.0 44 119 15545 240 39 33.8 19.5 | 229 32 23.8 21.0 45 113 15850 235 35 28.7 20.1 | 221 29 18.7 21.6 46 102 16459 180 44 0.0 44.0 | 168 47 -10.0 45.5 47 100 16550 145 27 -15.5 22.1 | 133 35 -25.4 23.6 48 96 16764 145 27 -15.5 22.1 | 133 35 -25.4 23.6 49 91 17069 110 23 -21.6 7.9 | 107 33 -31.6 9.4 50 87 17374 115 17 -15.4 7.2 | 109 27 -25.4 8.7 51 82 17678 130 15 -11.5 9.6 | 118 24 -21.4 11.2 52 79 17904 130 5 -3.8 3.2 | 109 15 -13.8 4.7 53 78 17983 100 3 -3.0 0.5 | 99 13 -12.9 2.0 54 74 18288 145 13 -7.5 10.6 | 125 21 -17.4 12.2 55 70 18593 105 11 -10.6 2.8 | 102 21 -20.6 4.4 56 70 18600 115 12 -10.9 5.1 | 108 22 -20.8 6.6 57 67 18898 75 14 -13.5 -3.6 | 85 24 -23.5 -2.1 58 63 19202 65 10 -9.1 -4.2 | 82 19 -19.0 -2.7 59 57 19812 190 12 2.1 11.8 | 149 15 -7.9 13.3 60 51 20422 115 20 -18.1 8.5 | 110 30 -28.1 10.0 61 50 20590 85 19 -18.9 -1.7 | 90 29 -28.9 -0.1 62 49 20726 85 19 -18.9 -1.7 | 90 29 -28.9 -0.1 63 47 21031 95 20 -19.9 1.7 | 96 30 -29.9 3.3 64 44 21336 60 24 -20.8 -12.0 | 71 32 -30.7 -10.5 65 42 21641 75 19 -18.4 -4.9 | 83 29 -28.3 -3.4 66 40 21946 80 15 -14.8 -2.6 | 87 25 -24.7 -1.1 67 36 22555 70 17 -16.0 -5.8 | 81 26 -25.9 -4.3 68 35 22860 80 30 -29.5 -5.2 | 85 40 -39.5 -3.7 69 30 23730 90 30 -30.0 0.0 | 92 40 -40.0 1.5 70 30 23774 95 33 -32.9 2.9 | 96 43 -42.8 4.4 71 26 24689 90 37 -37.0 0.0 | 92 47 -47.0 1.5 72 25 24994 95 33 -32.9 2.9 | 96 43 -42.8 4.4 73 22 25603 50 36 -27.6 -23.1 | 60 43 -37.5 -21.6 74 21 25908 70 28 -26.3 -9.6 | 77 37 -36.3 -8.1 75 20 26320 65 27 -24.5 -11.4 | 74 36 -34.4 -9.9 76 17 26822 65 27 -24.5 -11.4 | 74 36 -34.4 -9.9 Wind Parameters Mean winds (0-6000m): 248.7 at 13.4 knts Storm direction: 278.7 at 10.1 knts Shear (0-3000m) pos: 0.0 neg: 3.5 tot: 3.5 10-3/s Storm rel Dir Shear (0-3000m): 111.5 deg Storm rel helicity (0-3000m) pos: 21.5 neg: -78.8 tot: -57.3 m^2/s^2 ave: -19.1 10^-3 m/s^2 rel: -0.34 Storm rel vorticity (0-3000m) horiz: 10.4 stream: -3.6 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.50 Bulk Shear: 46.59 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 12 8 63 13| 0.0 1.4 1.4| 3.7 -7.8 -4.2 -8.3 -0.37| 3.5 -1.3 1000 11 8 62 13| 0.0 2.2 2.2| 6.4 -21.0 -14.7 -14.7 -0.49| 4.5 -2.2 1500 354 9 49 12| 0.0 4.6 4.6| 6.4 -49.2 -42.8 -28.6 -0.74| 6.6 -4.9 2000 338 10 40 10| 0.0 3.6 3.6| 12.6 -52.4 -39.8 -19.9 -0.53| 8.7 -4.6 2500 312 11 19 6| 0.0 5.5 5.5| 21.5 -56.8 -35.3 -14.1 -0.32| 10.2 -3.3 3000 279 12 281 2| 0.0 3.5 3.5| 21.5 -78.8 -57.3 -19.1 -0.34| 10.4 -3.6 4000 257 12 202 5| 0.0 2.8 2.8| 45.9 -91.1 -45.2 -11.3 -0.23| 10.3 -2.4 5000 244 13 194 7| 0.7 2.4 3.1| 64.6 -94.1 -29.5 -5.9 -0.15| 9.3 -1.4 6000 249 13 202 7| 1.3 2.0 3.3| 80.5 -94.1 -13.6 -2.3 -0.05| 8.9 -0.4 Wrote GIF file: /home/apache/climate/data/raob//SBVT/skewt/SBVT.skewt.20251201.12.gif