UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120412.upa.cvt Date: 1200Z 4 DEC 25 Searching for SBVT... Searching the city database file for: SBVT ... Date:1200Z 4 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 1010 4 24.8 21.7 83 3.1 22.6 140 5 297.1 300.1 295.4 344.5 16.39 1 1000 92 23.4 20.9 86 2.5 21.6 170 5 296.5 299.4 294.8 342.0 15.75 2 925 773 19.6 17.9 90 1.7 18.4 165 9 299.4 301.9 294.4 340.5 14.09 3 875 1250 17.2 13.1 77 4.1 14.6 155 8 301.7 303.7 292.7 333.8 10.89 4 863 1368 16.0 15.2 95 0.8 15.5 148 8 301.6 303.9 294.1 339.0 12.69 5 850 1497 15.6 12.5 82 3.1 13.6 140 8 302.5 304.5 292.9 334.4 10.78 6 791 2106 13.4 8.8 74 4.6 10.6 229 6 306.4 308.1 292.7 333.7 9.02 7 782 2202 13.6 6.6 63 7.0 9.4 232 8 307.6 309.1 292.1 331.5 7.84 8 758 2465 12.0 7.5 74 4.5 9.3 220 13 308.7 310.3 293.0 334.9 8.61 9 729 2792 11.6 -1.4 40 13.0 4.8 225 14 311.7 312.6 290.7 326.6 4.74 10 700 3130 9.2 -1.8 46 11.0 3.5 230 14 312.7 313.6 291.1 327.8 4.79 11 667 3529 5.6 3.2 85 2.4 4.2 246 16 313.0 314.4 293.2 335.5 7.24 12 630 3995 2.4 2.0 97 0.4 2.2 260 20 314.5 315.8 293.4 336.5 7.04 13 565 4872 -1.3 -1.3 100 0.0 -1.3 286 23 320.1 321.3 294.3 339.9 6.17 14 508 5715 -5.9 -5.9 100 0.0 -5.9 290 30 324.4 325.3 294.4 340.4 4.85 15 500 5840 -6.1 -7.2 92 1.1 -6.6 290 30 325.6 326.5 294.4 340.4 4.46 16 468 6354 -7.9 -11.6 75 3.7 -9.5 282 22 329.6 330.3 294.6 341.0 3.37 17 431 6986 -12.3 -20.3 51 8.0 -14.9 273 24 331.8 332.2 293.9 338.1 1.77 18 400 7550 -16.1 -19.7 74 3.6 -17.3 280 22 334.1 334.5 294.6 341.2 2.01 19 394 7664 -16.7 -18.3 87 1.6 -17.3 283 21 334.7 335.2 295.0 342.8 2.30 20 369 8154 -19.5 -23.9 68 4.4 -20.7 283 21 337.3 337.6 295.0 342.8 1.50 21 326 9062 -27.1 -27.2 99 0.1 -27.1 276 30 339.0 339.3 295.2 343.7 1.26 22 323 9129 -26.5 -30.0 72 3.5 -27.2 277 31 340.8 341.0 295.4 344.4 0.98 23 315 9310 -27.3 -31.9 65 4.6 -28.2 278 36 342.1 342.3 295.6 345.3 0.84 24 300 9660 -30.5 -34.0 71 3.5 -31.1 280 44 342.4 342.5 295.6 345.1 0.72 25 280 10147 -34.5 -36.9 79 2.4 -34.8 282 41 343.5 343.6 295.7 345.7 0.58 26 250 10930 -41.1 -48.1 47 7.0 -41.6 285 42 345.0 345.0 295.7 345.8 0.20 27 247 11012 -41.9 -46.9 58 5.0 -42.3 286 42 345.0 345.0 295.7 345.9 0.23 28 200 12400 -53.9 -56.5 73 2.6 -54.0 280 46 347.4 347.4 296.1 347.8 0.09 29 198 12465 -54.5 -56.8 76 2.3 -54.6 279 45 347.5 347.5 296.1 347.8 0.09 30 188 12795 -57.5 -63.5 46 6.0 -57.6 275 42 347.8 347.8 296.2 348.0 0.04 31 172 13353 -61.5 -68.5 39 7.0 -61.6 257 50 350.2 350.2 296.7 350.2 0.02 32 170 13425 -62.1 -68.1 44 6.0 -62.2 256 52 350.3 350.3 296.7 350.4 0.02 33 163 13684 -64.1 -78.1 13 14.0 -64.2 253 57 351.2 351.2 296.9 351.2 0.01 34 156 13952 -65.9 -77.8 18 11.9 -66.0 250 62 352.6 352.6 297.2 352.6 0.01 35 150 14190 -67.5 -77.5 23 10.0 -67.5 250 59 353.8 353.8 297.4 353.8 0.01 36 133 14910 -71.5 -77.5 40 6.0 -71.5 266 47 359.1 359.1 298.5 359.1 0.01 37 126 15230 -72.9 -81.9 24 9.0 -72.9 274 41 362.1 362.1 299.1 362.1 0.00 38 100 16580 -75.7 -86.7 16 11.0 -75.7 300 20 381.5 381.5 302.5 381.5 0.00 39 89 17250 -77.5 -88.5 15 11.0 -77.5 255 17 390.8 390.8 303.9 390.8 0.00 40 70 18620 -79.1 -88.1 21 9.0 -79.1 65 15 415.2 415.2 307.2 415.2 0.00 41 50 20600 -67.5 -89.5 3 22.0 -67.7 90 24 484.4 484.4 313.8 484.4 0.00 42 43 21516 -63.9 -88.9 2 25.0 -64.3 102 21 514.6 514.6 315.9 514.6 0.00 TRP 89 17250 -77.5 -88.5 15 11.0 -77.5 255 17 390.8 390.8 303.9 390.8 0.00 WND 156 13952 -65.9 -77.8 18 11.9 -66.0 250 62 352.6 352.6 297.2 352.6 0.01 Sounding variables and indices 1000-500 mb thick: 5748.00 m Freezing level: 587.84 mb = 4563.71 m = 14972.61 ft Wetbulb zero: 589.55 mb = 4529.26 m = 14859.60 ft Precipitable water: 2.01 inches Sfc-500 mean rel hum: 83.30 % Est. max temperature: 29.51 C = 85.12 F Sfc-Lift cond lev (LCL): 965.72 mb = 396.71 m = 1301.53 ft T: 21.70 C 700-500 lapse rate: 5.65 C/km ThetaE index: 10.73 C Layer 1000.0- 863.0 mb Conv cond level (CCL): 895.12 mb = 1054.93 m = 3461.01 ft Mean mixing ratio: 14.82 g/kg Conv temperature: 28.42 C = 83.15 F Cap Strength: 1.97 C Lifted Index: 0.21 C Risk: Showers probable Lifted Index @300 mb: 2.88 C Lifted Index @700 mb: 1.15 C Showalter Index: 3.08 C Risk: None Total Totals Index: 40.30 C Risk: None Vertical Totals Index: 21.70 C Cross Totals Index: 18.60 C K Index: 23.20 Risk: 20-40 % chance of thunderstorms Sweat Index: 196.00 Risk: None Energy Index: 1.14 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 68.49 J/kg Max Up Vert Vel: 11.70 m/s Conv Inhibition (B-): 74.38 J/kg Cap Strength: 1.92 C Lift Cond Lev (LCL): 929.67 mb = 729.04 m = 2391.82 ft Lev Free Conv (LFC): 674.67 mb = 3434.54 m = 11268.05 ft Equ Level (EL): 494.67 mb = 5923.26 m = 19433.02 ft B at Equ Level: 66.27 J/kg Max Parcel Lev (MPL): 404.67 mb = 7462.31 m = 24482.35 ft Wind level data Storm motion: 288 at 12 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 1010 4 140 5 -3.2 3.8 | 117 16 -14.2 7.4 1 1000 92 170 5 -0.9 4.9 | 125 15 -11.9 8.5 2 976 305 205 6 2.5 5.4 | 137 12 -8.5 9.0 3 942 610 190 11 1.9 10.8 | 148 17 -9.1 14.4 4 925 773 165 9 -2.3 8.7 | 132 18 -13.4 12.2 5 910 914 175 9 -0.8 9.0 | 137 17 -11.8 12.5 6 850 1497 140 8 -5.1 6.1 | 121 19 -16.2 9.7 7 817 1829 180 2 0.0 2.0 | 117 12 -11.0 5.5 8 788 2134 235 7 5.7 4.0 | 145 9 -5.3 7.5 9 760 2438 220 13 8.4 10.0 | 169 14 -2.7 13.5 10 700 3130 230 14 10.7 9.0 | 179 13 -0.3 12.5 11 681 3353 230 14 10.7 9.0 | 179 13 -0.3 12.5 12 656 3658 260 18 17.7 3.1 | 225 9 6.7 6.7 13 608 4267 260 21 20.7 3.6 | 233 12 9.7 7.2 14 585 4572 285 21 20.3 -5.4 | 282 9 9.3 -1.9 15 503 5791 290 31 29.1 -10.6 | 291 19 18.1 -7.1 16 500 5840 290 30 28.2 -10.3 | 291 18 17.2 -6.7 17 484 6096 290 20 18.8 -6.8 | 293 8 7.8 -3.3 18 447 6706 270 25 25.0 -0.0 | 256 14 14.0 3.5 19 400 7550 280 22 21.7 -3.8 | 272 11 10.6 -0.3 20 380 7925 290 19 17.9 -6.5 | 294 7 6.8 -3.0 21 365 8230 280 22 21.7 -3.8 | 272 11 10.6 -0.3 22 336 8839 275 25 24.9 -2.2 | 264 14 13.9 1.3 23 300 9660 280 44 43.3 -7.6 | 277 33 32.3 -4.1 24 296 9754 280 44 43.3 -7.6 | 277 33 32.3 -4.1 25 260 10668 285 38 36.7 -9.8 | 284 26 25.7 -6.3 26 250 10930 285 42 40.6 -10.9 | 284 30 29.5 -7.3 27 226 11582 295 42 38.1 -17.7 | 298 31 27.0 -14.2 28 200 12400 280 46 45.3 -8.0 | 277 35 34.3 -4.5 29 188 12802 275 42 41.8 -3.7 | 270 31 30.8 -0.1 30 179 13106 260 46 45.3 8.0 | 251 36 34.3 11.5 31 156 13952 250 62 58.3 21.2 | 242 53 47.2 24.7 32 154 14021 250 62 58.3 21.2 | 242 53 47.2 24.7 33 150 14190 250 59 55.4 20.2 | 242 50 44.4 23.7 34 147 14326 250 56 52.6 19.2 | 241 47 41.6 22.7 35 126 15240 275 41 40.8 -3.6 | 270 30 29.8 -0.0 36 119 15545 260 45 44.3 7.8 | 251 35 33.3 11.3 37 113 15850 245 30 27.2 12.7 | 225 23 16.2 16.2 38 107 16154 255 16 15.5 4.1 | 210 9 4.4 7.7 39 102 16459 310 11 8.4 -7.1 | 36 4 -2.6 -3.5 40 100 16580 300 20 17.3 -10.0 | 316 9 6.3 -6.5 41 97 16764 310 19 14.6 -12.2 | 338 9 3.5 -8.7 42 89 17250 255 17 16.4 4.4 | 214 10 5.4 7.9 43 78 17983 230 12 9.2 7.7 | 171 11 -1.8 11.2 44 74 18288 100 3 -3.0 0.5 | 106 15 -14.0 4.0 45 70 18620 65 15 -13.6 -6.3 | 83 25 -24.6 -2.8 46 67 18898 65 15 -13.6 -6.3 | 83 25 -24.6 -2.8 47 63 19202 50 17 -13.0 -10.9 | 73 25 -24.0 -7.4 48 60 19507 75 12 -11.6 -3.1 | 91 23 -22.6 0.4 49 57 19812 70 21 -19.7 -7.2 | 83 31 -30.8 -3.7 50 52 20422 85 16 -15.9 -1.4 | 95 27 -27.0 2.1 51 50 20600 90 24 -24.0 0.0 | 96 35 -35.0 3.5 52 49 20726 100 19 -18.7 3.3 | 103 31 -29.7 6.8 53 46 21031 85 26 -25.9 -2.3 | 92 37 -36.9 1.3 54 40 21641 120 16 -13.9 8.0 | 115 27 -24.9 11.5 Wind Parameters Mean winds (0-6000m): 257.7 at 15.4 knts Storm direction: 287.7 at 11.6 knts Shear (0-3000m) pos: 3.9 neg: 1.4 tot: 5.2 10-3/s Storm rel Dir Shear (0-3000m): 59.4 deg Storm rel helicity (0-3000m) pos: 70.1 neg: -47.4 tot: 22.6 m^2/s^2 ave: 7.5 10^-3 m/s^2 rel: 0.24 Storm rel vorticity (0-3000m) horiz: 7.4 stream: 1.8 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 2.52 Bulk Shear: 27.19 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 ------------------------------------------------------------------------------- 500 190 6 134 14| 7.8 0.0 7.8| 25.7 0.0 25.7 51.4 0.72| 9.9 7.1 1000 182 8 137 16| 3.9 2.1 6.0| 32.4 -23.1 9.2 9.2 0.19| 9.1 1.7 1500 173 8 134 17| 2.6 2.7 5.3| 32.4 -43.3 -10.9 -7.3 -0.04| 7.6 -0.3 2000 171 7 131 16| 3.5 2.0 5.5| 44.4 -47.4 -3.0 -1.5 0.05| 8.1 0.4 2500 185 8 137 15| 4.4 1.6 6.0| 64.4 -47.4 17.0 6.8 0.21| 8.5 1.8 3000 196 9 144 15| 3.9 1.4 5.2| 70.1 -47.4 22.6 7.5 0.24| 7.4 1.8 4000 218 11 159 13| 3.9 1.0 4.9| 98.8 -47.4 51.4 12.9 0.37| 7.0 2.6 5000 240 13 180 10| 3.6 0.8 4.4|127.1 -47.4 79.7 15.9 0.45| 7.0 3.1 6000 258 15 211 8| 2.9 0.7 3.6|134.5 -47.4 87.1 14.5 0.40| 7.0 2.8 Wrote GIF file: /home/apache/climate/data/raob//SBVT/skewt/SBVT.skewt.20251204.12.gif