UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2026011212.upa.cvt Date: 1200Z 12 JAN 26 Searching for SBVT... Searching the city database file for: SBVT ... Date:1200Z 12 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 1015 4 28.8 22.8 70 6.0 24.4 360 9 300.7 303.9 297.1 352.0 17.47 1 1000 136 26.8 19.8 66 7.0 21.9 350 14 300.0 302.6 295.0 342.9 14.69 2 925 819 20.2 19.0 93 1.2 19.4 360 20 300.0 302.7 295.3 344.2 15.12 3 920 866 21.2 16.7 75 4.5 18.1 360 20 301.5 303.9 294.3 340.1 13.11 4 850 1548 17.8 12.8 73 5.0 14.6 10 16 304.8 306.8 293.7 337.7 10.99 5 830 1752 17.4 11.4 68 6.0 13.6 7 15 306.5 308.4 293.7 337.4 10.26 6 732 2815 10.0 7.3 83 2.7 8.3 37 8 309.6 311.2 293.4 336.5 8.80 7 705 3127 8.0 4.8 80 3.2 6.1 65 5 310.7 312.2 292.9 334.4 7.67 8 700 3186 8.6 -1.4 49 10.0 3.4 70 4 312.0 312.9 291.0 327.5 4.93 9 694 3257 7.8 3.0 72 4.8 5.1 57 4 311.9 313.2 292.6 333.2 6.86 10 683 3388 7.2 0.2 61 7.0 3.4 32 3 312.6 313.7 291.9 330.5 5.69 11 644 3868 2.8 -1.5 73 4.3 0.6 356 3 313.0 314.0 291.6 329.7 5.33 12 621 4162 2.0 -18.0 21 20.0 -5.1 20 6 315.3 315.6 288.8 320.3 1.49 13 611 4293 2.6 -28.4 8 31.0 -6.2 31 7 317.5 317.6 288.6 319.6 0.60 14 515 5658 -4.1 -37.1 6 33.0 -11.5 78 13 325.3 325.3 290.7 326.4 0.31 15 500 5890 -5.7 -35.7 7 30.0 -12.5 75 12 326.1 326.2 291.0 327.4 0.36 16 400 7590 -19.5 -45.5 8 26.0 -23.0 70 12 329.6 329.7 291.8 330.3 0.16 17 323 9142 -32.1 -54.1 9 22.0 -33.7 103 26 333.0 333.0 292.6 333.3 0.08 18 315 9319 -33.3 -49.3 19 16.0 -34.6 107 27 333.8 333.8 292.9 334.3 0.14 19 300 9660 -36.7 -49.7 25 13.0 -37.7 110 28 333.6 333.7 292.9 334.2 0.14 20 290 9894 -38.9 -49.9 30 11.0 -39.6 107 26 333.8 333.8 292.9 334.3 0.14 21 279 10158 -40.1 -62.1 8 22.0 -41.0 104 24 335.7 335.7 293.3 335.9 0.03 22 250 10900 -44.5 -65.5 8 21.0 -45.2 95 17 339.9 339.9 294.3 340.0 0.02 23 200 12360 -53.5 -73.5 7 20.0 -53.8 100 4 348.0 348.0 296.2 348.1 0.01 24 182 12963 -55.5 -78.5 4 23.0 -55.8 82 6 354.3 354.3 297.5 354.3 0.00 25 181 12998 -55.7 -78.7 4 23.0 -56.0 81 6 354.5 354.5 297.6 354.6 0.00 26 150 14170 -63.9 -79.9 10 16.0 -64.0 85 8 360.0 360.0 298.7 360.0 0.00 27 144 14421 -65.3 -81.3 9 16.0 -65.4 85 11 361.8 361.8 299.1 361.8 0.00 28 101 16542 -75.3 -87.3 14 12.0 -75.3 50 13 381.2 381.2 302.4 381.2 0.00 29 100 16600 -75.1 -87.1 14 12.0 -75.2 50 13 382.6 382.6 302.6 382.6 0.00 30 85 17538 -77.3 -90.3 11 13.0 -77.3 75 6 396.4 396.4 304.7 396.4 0.00 31 76 18179 -78.1 -90.1 13 12.0 -78.1 97 14 407.6 407.6 306.2 407.6 0.00 32 70 18650 -77.3 -90.3 11 13.0 -77.3 110 29 419.0 419.0 307.6 419.0 0.00 33 50 20620 -67.7 -90.7 2 23.0 -67.9 105 28 484.0 484.0 313.8 484.0 0.00 34 43 21532 -65.9 -89.9 2 24.0 -66.2 85 41 509.7 509.7 315.6 509.7 0.00 TRP 85 17538 -77.3 -90.3 11 13.0 -77.3 75 6 396.4 396.4 304.7 396.4 0.00 WND Sounding variables and indices 1000-500 mb thick: 5754.00 m Freezing level: 573.75 mb = 4822.39 m = 15821.30 ft Wetbulb zero: 641.55 mb = 3898.70 m = 12790.86 ft Precipitable water: 1.65 inches Sfc-500 mean rel hum: 52.30 % Est. max temperature: 32.20 C = 89.96 F Sfc-Lift cond lev (LCL): 930.71 mb = 765.09 m = 2510.09 ft T: 20.72 C 700-500 lapse rate: 5.29 C/km ThetaE index: 16.70 C Layer 920.0- 694.0 mb Conv cond level (CCL): 824.26 mb = 1810.85 m = 5941.03 ft Mean mixing ratio: 14.93 g/kg Conv temperature: 34.79 C = 94.62 F Cap Strength: 2.09 C Lifted Index: -0.50 C Risk: Thunderstorms probable Lifted Index @300 mb: -4.90 C Lifted Index @700 mb: -0.27 C Showalter Index: 2.07 C Risk: Showers probable Total Totals Index: 42.00 C Risk: None Vertical Totals Index: 23.50 C Cross Totals Index: 18.50 C K Index: 26.30 Risk: 40-60 % chance of thunderstorms Sweat Index: 197.60 Risk: None Energy Index: -1.89 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 814.09 J/kg Max Up Vert Vel: 40.35 m/s Conv Inhibition (B-): 82.80 J/kg Cap Strength: 1.98 C Lift Cond Lev (LCL): 904.58 mb = 1011.59 m = 3318.81 ft Lev Free Conv (LFC): 749.58 mb = 2613.84 m = 8575.50 ft Equ Level (EL): 229.58 mb = 11457.46 m = 37589.64 ft B at Equ Level: 813.81 J/kg Max Parcel Lev (MPL): 139.58 mb = 14607.55 m = 47924.44 ft Wind level data Storm motion: 56 at 8 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 1015 4 360 9 -0.0 -9.0 | 305 8 6.5 -4.5 1 1000 136 350 14 2.4 -13.8 | 316 13 9.0 -9.3 2 981 305 350 14 2.4 -13.8 | 316 13 9.0 -9.3 3 947 610 5 10 -0.9 -10.0 | 314 8 5.7 -5.5 4 925 819 360 20 -0.0 -20.0 | 337 17 6.5 -15.5 5 915 914 360 20 -0.0 -20.0 | 337 17 6.5 -15.5 6 883 1219 355 17 1.5 -16.9 | 327 15 8.0 -12.5 7 852 1524 10 18 -3.1 -17.7 | 346 14 3.4 -13.3 8 850 1548 10 16 -2.8 -15.8 | 342 12 3.8 -11.3 9 793 2134 360 13 -0.0 -13.0 | 323 11 6.5 -8.5 10 765 2438 5 11 -1.0 -11.0 | 319 9 5.6 -6.5 11 700 3186 70 4 -3.8 -1.4 | 222 4 2.8 3.1 12 660 3658 340 1 0.3 -0.9 | 243 8 6.9 3.5 13 612 4267 30 7 -3.5 -6.1 | 298 3 3.0 -1.6 14 567 4877 95 10 -10.0 0.9 | 147 6 -3.4 5.3 15 526 5486 80 13 -12.8 -2.3 | 109 7 -6.3 2.2 16 500 5890 75 12 -11.6 -3.1 | 105 5 -5.1 1.4 17 487 6096 75 12 -11.6 -3.1 | 105 5 -5.1 1.4 18 415 7315 70 7 -6.6 -2.4 | 179 2 -0.0 2.1 19 400 7590 70 12 -11.3 -4.1 | 94 5 -4.7 0.4 20 398 7620 70 12 -11.3 -4.1 | 94 5 -4.7 0.4 21 366 8230 85 19 -18.9 -1.7 | 103 13 -12.4 2.8 22 309 9449 110 28 -26.3 9.6 | 125 24 -19.8 14.0 23 300 9660 110 28 -26.3 9.6 | 125 24 -19.8 14.0 24 250 10900 95 17 -16.9 1.5 | 120 12 -10.4 6.0 25 236 11278 85 16 -15.9 -1.4 | 108 10 -9.4 3.1 26 225 11582 100 13 -12.8 2.3 | 137 9 -6.3 6.7 27 215 11887 70 15 -14.1 -5.1 | 85 8 -7.6 -0.7 28 205 12192 80 10 -9.8 -1.7 | 130 4 -3.3 2.7 29 200 12360 100 4 -3.9 0.7 | 207 6 2.6 5.2 30 196 12497 95 4 -4.0 0.3 | 208 5 2.6 4.8 31 161 13716 60 10 -8.7 -5.0 | 76 2 -2.1 -0.5 32 154 14021 100 12 -11.8 2.1 | 141 8 -5.3 6.6 33 150 14170 85 8 -8.0 -0.7 | 159 4 -1.4 3.8 34 132 14935 85 17 -16.9 -1.5 | 106 11 -10.4 3.0 35 125 15240 130 11 -8.4 7.1 | 171 12 -1.9 11.5 36 119 15545 50 18 -13.8 -11.6 | 46 10 -7.2 -7.1 37 100 16600 50 13 -10.0 -8.4 | 41 5 -3.4 -3.9 38 97 16764 50 13 -10.0 -8.4 | 41 5 -3.4 -3.9 39 92 17069 75 13 -12.6 -3.4 | 100 6 -6.0 1.1 40 87 17374 105 10 -9.7 2.6 | 156 8 -3.1 7.1 41 85 17538 75 6 -5.8 -1.6 | 194 3 0.7 2.9 42 83 17678 85 6 -6.0 -0.5 | 188 4 0.6 3.9 43 79 17983 110 11 -10.3 3.8 | 155 9 -3.8 8.2 44 75 18288 90 15 -15.0 0.0 | 118 10 -8.5 4.5 45 71 18593 110 24 -22.6 8.2 | 128 20 -16.0 12.7 46 70 18650 110 29 -27.3 9.9 | 125 25 -20.7 14.4 47 64 19202 105 24 -23.2 6.2 | 123 20 -16.6 10.7 48 57 19812 105 44 -42.5 11.4 | 114 39 -36.0 15.9 49 54 20117 85 41 -40.8 -3.6 | 91 34 -34.3 0.9 50 50 20620 105 28 -27.0 7.2 | 120 24 -20.5 11.7 51 49 20726 85 33 -32.9 -2.9 | 93 26 -26.3 1.6 52 46 21031 100 26 -25.6 4.5 | 115 21 -19.1 9.0 53 43 21336 85 41 -40.8 -3.6 | 91 34 -34.3 0.9 54 41 21641 85 35 -34.9 -3.1 | 93 28 -28.3 1.4 Wind Parameters Mean winds (0-6000m): 25.6 at 10.6 knts Storm direction: 55.6 at 7.9 knts Shear (0-3000m) pos: 2.4 neg: 1.1 tot: 3.5 10-3/s Storm rel Dir Shear (0-3000m): -65.3 deg Storm rel helicity (0-3000m) pos: 35.0 neg: -28.5 tot: 6.5 m^2/s^2 ave: 2.2 10^-3 m/s^2 rel: -0.00 Storm rel vorticity (0-3000m) horiz: 7.7 stream: -0.0 10^-3/s Energy-Hel index: 0.17 Bulk Rich Number: 126.07 Bulk Shear: 6.46 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 ------------------------------------------------------------------------------- 500 353 13 315 12| 0.0 2.5 2.5| 5.6 -0.2 5.4 10.9 0.24| 9.0 2.1 1000 357 14 324 12| 0.0 5.2 5.2| 18.8 -4.5 14.3 14.3 0.25| 11.0 2.8 1500 358 15 327 13| 1.2 3.5 4.7| 34.3 -11.9 22.4 15.0 0.28| 9.6 2.6 2000 0 15 329 13| 0.9 1.7 2.6| 34.3 -23.0 11.3 5.7 0.13| 8.5 1.1 2500 1 15 328 12| 1.4 1.4 2.8| 34.7 -26.4 8.3 3.3 0.08| 7.6 0.6 3000 3 14 327 11| 2.4 1.1 3.5| 35.0 -28.5 6.5 2.2 -0.00| 7.7 -0.0 4000 4 11 318 9| 1.8 1.3 3.0| 42.5 -29.7 12.8 3.2 0.06| 7.0 0.5 5000 12 10 322 7| 2.5 1.0 3.5| 47.1 -30.8 16.4 3.3 0.14| 7.1 1.0 6000 26 11 339 5| 2.0 1.0 3.1| 47.1 -37.2 9.9 1.7 0.08| 6.4 0.5 Wrote GIF file: /home/apache/climate/data/raob//SBVT/skewt/SBVT.skewt.20260112.12.gif