UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101712.upa.cvt Date: 1200Z 17 OCT 25 Searching for SBVT... Searching the city database file for: SBVT ... Date:1200Z 17 OCT 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 26.6 20.6 70 6.0 22.3 20 12 298.4 301.2 295.0 342.6 15.20 1 1000 146 24.2 18.2 69 6.0 20.1 5 20 297.4 299.8 293.3 335.7 13.26 2 933 749 18.8 17.1 90 1.7 17.7 360 19 297.8 300.2 293.4 336.3 13.26 3 925 823 18.2 16.6 90 1.6 17.1 360 19 297.9 300.3 293.2 335.5 12.95 4 884 1211 15.6 14.3 92 1.3 14.8 5 18 299.1 301.2 292.6 333.2 11.67 5 850 1545 14.6 11.4 81 3.2 12.6 15 15 301.4 303.3 292.0 331.0 10.01 6 810 1951 13.0 6.0 62 7.0 8.9 82 10 303.9 305.3 290.5 325.7 7.26 7 793 2129 12.8 -1.2 38 14.0 5.6 152 11 305.6 306.4 288.5 319.1 4.42 8 782 2246 14.2 -27.8 4 42.0 1.3 155 11 308.3 308.4 285.3 310.0 0.50 9 700 3171 8.6 -28.4 5 37.0 -2.3 185 7 312.0 312.1 286.7 313.8 0.53 10 612 4269 2.8 -34.2 5 37.0 -6.5 160 24 317.6 317.6 288.3 318.8 0.34 11 596 4483 3.4 -44.6 1 48.0 -6.7 157 24 320.7 320.7 289.1 321.1 0.12 12 564 4928 0.2 -24.8 13 25.0 -7.5 154 23 322.0 322.2 290.3 325.2 0.91 13 500 5880 -7.1 -38.1 6 31.0 -13.5 190 23 324.4 324.4 290.4 325.5 0.29 14 463 6473 -11.9 -34.9 13 23.0 -16.7 217 12 325.6 325.7 290.9 327.2 0.43 15 458 6556 -11.5 -47.5 3 36.0 -17.0 227 12 327.1 327.1 291.0 327.6 0.11 16 400 7580 -17.5 -53.5 3 36.0 -21.8 235 13 332.2 332.3 292.4 332.5 0.07 17 351 8545 -23.9 -49.9 7 26.0 -26.8 260 17 336.3 336.3 293.5 336.7 0.11 18 300 9670 -32.7 -51.7 13 19.0 -34.3 225 32 339.3 339.3 294.3 339.7 0.11 19 250 10930 -43.9 -56.9 22 13.0 -44.5 215 36 340.8 340.8 294.6 341.1 0.07 20 249 10957 -44.3 -57.3 22 13.0 -44.9 218 34 340.6 340.6 294.6 340.9 0.07 21 224 11658 -49.9 -63.9 18 14.0 -50.3 218 44 342.5 342.5 295.0 342.6 0.03 22 200 12390 -55.7 -62.7 41 7.0 -55.8 215 56 344.6 344.6 295.4 344.7 0.04 23 189 12747 -59.1 -63.7 55 4.6 -59.2 215 52 344.7 344.7 295.5 344.9 0.04 24 188 12780 -59.7 -64.4 54 4.7 -59.8 215 51 344.3 344.3 295.4 344.4 0.04 25 181 13016 -60.9 -68.9 34 8.0 -61.0 215 46 346.1 346.1 295.8 346.1 0.02 26 150 14160 -68.9 -73.9 48 5.0 -68.9 270 29 351.4 351.4 297.0 351.4 0.01 27 137 14698 -72.7 -77.1 51 4.4 -72.7 273 39 353.9 353.9 297.5 354.0 0.01 28 131 14960 -74.1 -79.1 46 5.0 -74.1 275 47 356.0 356.0 297.9 356.0 0.01 29 106 16193 -74.7 -84.7 20 10.0 -74.7 242 30 377.1 377.1 301.8 377.1 0.00 30 101 16473 -76.5 -85.5 23 9.0 -76.5 240 24 378.8 378.8 302.1 378.9 0.00 31 100 16530 -76.7 -85.7 23 9.0 -76.7 240 23 379.5 379.5 302.2 379.5 0.00 32 98 16646 -77.1 -86.1 22 9.0 -77.1 240 23 381.0 381.0 302.4 381.0 0.00 33 89 17202 -76.7 -86.7 19 10.0 -76.7 270 19 392.4 392.4 304.2 392.4 0.00 34 83 17610 -70.5 -86.5 8 16.0 -70.6 263 33 412.9 412.9 306.9 413.0 0.00 35 73 18378 -68.3 -87.3 5 19.0 -68.4 206 10 433.0 433.0 309.1 433.0 0.00 36 70 18630 -69.1 -88.1 5 19.0 -69.2 170 11 436.6 436.6 309.5 436.6 0.00 37 64 19165 -70.3 -89.3 5 19.0 -70.4 149 14 445.3 445.3 310.4 445.3 0.00 38 50 20650 -66.3 -89.3 3 23.0 -66.5 125 8 487.2 487.2 314.0 487.3 0.00 39 46 21158 -63.1 -89.1 2 26.0 -63.5 109 16 506.7 506.7 315.4 506.7 0.00 40 44 21430 -65.3 -89.3 2 24.0 -65.6 92 18 507.8 507.8 315.5 507.9 0.00 41 30 23800 -58.1 -87.1 1 29.0 -59.2 115 23 586.2 586.3 320.0 586.3 0.01 42 23 25481 -55.7 -85.7 1 30.0 -57.5 108 27 639.6 639.6 322.3 639.7 0.01 43 20 26370 -56.1 -86.1 1 30.0 -58.1 90 26 664.5 664.5 323.2 664.5 0.01 44 15 28214 -52.5 -84.5 1 32.0 -55.9 91 35 733.4 733.4 325.4 733.6 0.02 TRP 131 14960 -74.1 -79.1 46 5.0 -74.1 275 47 356.0 356.0 297.9 356.0 0.01 WND Sounding variables and indices 1000-500 mb thick: 5734.00 m Freezing level: 562.25 mb = 4954.15 m = 16253.56 ft Wetbulb zero: 752.84 mb = 2563.55 m = 8410.48 ft Precipitable water: 1.08 inches Sfc-500 mean rel hum: 31.84 % Est. max temperature: 28.55 C = 83.39 F Sfc-Lift cond lev (LCL): 931.15 mb = 766.02 m = 2513.14 ft T: 18.66 C 700-500 lapse rate: 5.80 C/km ThetaE index: 26.28 C Layer 925.0- 700.0 mb Conv cond level (CCL): 900.66 mb = 1051.41 m = 3449.48 ft Mean mixing ratio: 13.36 g/kg Conv temperature: 26.83 C = 80.30 F Cap Strength: 3.67 C Lifted Index: 1.20 C Risk: Showers probable Lifted Index @300 mb: 3.55 C Lifted Index @700 mb: 2.08 C Showalter Index: 3.66 C Risk: None Total Totals Index: 40.20 C Risk: None Vertical Totals Index: 21.70 C Cross Totals Index: 18.50 C K Index: -3.90 Risk: None Sweat Index: 189.80 Risk: None Energy Index: -0.93 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 2.31 J/kg Max Up Vert Vel: 2.15 m/s Conv Inhibition (B-): 29280.38 J/kg Cap Strength: 3.58 C Lift Cond Lev (LCL): 913.21 mb = 932.84 m = 3060.45 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 184 at 13 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 20 12 -4.1 -11.3 | 12 24 -5.0 -23.9 1 1000 146 5 20 -1.7 -19.9 | 5 33 -2.6 -32.6 2 982 305 5 19 -1.7 -18.9 | 5 32 -2.5 -31.6 3 948 610 360 18 -0.0 -18.0 | 2 31 -0.9 -30.7 4 925 823 360 19 -0.0 -19.0 | 2 32 -0.9 -31.7 5 915 914 360 18 -0.0 -18.0 | 2 31 -0.9 -30.7 6 852 1524 10 17 -3.0 -16.7 | 7 30 -3.8 -29.4 7 850 1545 15 15 -3.9 -14.5 | 10 28 -4.7 -27.1 8 822 1829 35 10 -5.7 -8.2 | 18 22 -6.6 -20.8 9 792 2134 155 11 -4.6 10.0 | 64 6 -5.5 -2.7 10 764 2438 155 11 -4.6 10.0 | 64 6 -5.5 -2.7 11 737 2743 155 10 -4.2 9.1 | 55 6 -5.1 -3.6 12 710 3048 170 4 -0.7 3.9 | 10 9 -1.6 -8.7 13 700 3171 185 7 0.6 7.0 | 2 6 -0.2 -5.7 14 684 3353 190 10 1.7 9.8 | 343 3 0.9 -2.8 15 659 3658 165 17 -4.4 16.4 | 126 6 -5.3 3.8 16 611 4267 160 24 -8.2 22.6 | 138 13 -9.1 9.9 17 566 4877 150 23 -11.5 19.9 | 120 14 -12.4 7.3 18 545 5182 185 21 1.8 20.9 | 187 8 1.0 8.3 19 500 5880 190 23 4.0 22.7 | 197 10 3.1 10.0 20 486 6096 195 21 5.4 20.3 | 211 9 4.6 7.6 21 467 6401 210 12 6.0 10.4 | 294 6 5.1 -2.3 22 449 6706 245 13 11.8 5.5 | 303 13 10.9 -7.2 23 431 7010 255 17 16.4 4.4 | 298 18 15.6 -8.3 24 414 7315 225 20 14.1 14.1 | 264 13 13.3 1.5 25 400 7580 235 13 10.6 7.5 | 298 11 9.8 -5.2 26 381 7925 235 17 13.9 9.8 | 283 13 13.1 -2.9 27 366 8230 245 15 13.6 6.3 | 296 14 12.7 -6.3 28 351 8534 260 17 16.7 3.0 | 301 19 15.9 -9.7 29 323 9144 210 26 13.0 22.5 | 231 16 12.1 9.9 30 300 9670 225 32 22.6 22.6 | 245 24 21.8 10.0 31 284 10058 230 31 23.7 19.9 | 252 24 22.9 7.3 32 250 10930 215 36 20.6 29.5 | 230 26 19.8 16.8 33 248 10973 220 33 21.2 25.3 | 238 24 20.4 12.6 34 200 12390 215 56 32.1 45.9 | 223 46 31.3 33.2 35 197 12497 215 58 33.3 47.5 | 223 48 32.4 34.9 36 178 13106 215 43 24.7 35.2 | 227 33 23.8 22.6 37 161 13716 255 24 23.2 6.2 | 286 23 22.3 -6.4 38 150 14160 270 29 29.0 -0.0 | 294 31 28.1 -12.7 39 146 14326 270 28 28.0 -0.0 | 295 30 27.1 -12.7 40 131 14960 275 47 46.8 -4.1 | 290 49 46.0 -16.8 41 125 15240 275 47 46.8 -4.1 | 290 49 46.0 -16.8 42 118 15545 260 55 54.2 9.6 | 273 53 53.3 -3.1 43 112 15850 245 37 33.5 15.6 | 265 33 32.7 3.0 44 100 16530 240 23 19.9 11.5 | 273 19 19.1 -1.2 45 96 16764 240 23 19.9 11.5 | 273 19 19.1 -1.2 46 91 17069 265 11 11.0 1.0 | 319 15 10.1 -11.7 47 87 17374 275 27 26.9 -2.4 | 300 30 26.0 -15.0 48 82 17678 260 34 33.5 5.9 | 282 33 32.6 -6.8 49 74 18288 220 9 5.8 6.9 | 319 8 4.9 -5.8 50 70 18630 170 11 -1.9 10.8 | 57 3 -2.8 -1.8 51 67 18898 180 19 0.0 19.0 | 172 6 -0.9 6.3 52 57 19812 75 2 -1.9 -0.5 | 12 13 -2.8 -13.2 53 50 20650 125 8 -6.6 4.6 | 43 11 -7.4 -8.1 54 49 20726 145 10 -5.7 8.2 | 56 8 -6.6 -4.5 55 45 21336 95 18 -17.9 1.6 | 59 22 -18.8 -11.1 56 43 21641 85 18 -17.9 -1.6 | 53 24 -18.8 -14.2 57 41 21946 95 13 -13.0 1.1 | 50 18 -13.8 -11.5 58 39 22250 55 13 -10.6 -7.5 | 30 23 -11.5 -20.1 59 35 22860 65 11 -10.0 -4.6 | 32 20 -10.8 -17.3 60 33 23165 110 12 -11.3 4.1 | 55 15 -12.1 -8.5 61 32 23470 105 17 -16.4 4.4 | 64 19 -17.3 -8.3 62 30 23774 130 19 -14.6 12.2 | 88 15 -15.4 -0.4 63 30 23800 115 23 -20.8 9.7 | 82 22 -21.7 -2.9 64 29 24079 95 21 -20.9 1.8 | 64 24 -21.8 -10.8 65 27 24384 105 30 -29.0 7.8 | 81 30 -29.8 -4.9 66 26 24689 80 21 -20.7 -3.6 | 53 27 -21.5 -16.3 67 25 24994 110 27 -25.4 9.2 | 83 26 -26.2 -3.4 68 21 26213 105 28 -27.0 7.2 | 79 28 -27.9 -5.4 69 20 26370 90 26 -26.0 0.0 | 65 30 -26.9 -12.7 70 19 26518 80 30 -29.5 -5.2 | 60 35 -30.4 -17.9 71 14 27737 95 37 -36.9 3.2 | 76 39 -37.7 -9.4 72 12 28346 65 31 -28.1 -13.1 | 48 39 -29.0 -25.8 73 11 28651 70 34 -31.9 -11.6 | 53 41 -32.8 -24.3 Wind Parameters Mean winds (0-6000m): 153.9 at 16.9 knts Storm direction: 183.9 at 12.7 knts Shear (0-3000m) pos: 3.9 neg: 1.3 tot: 5.2 10-3/s Storm rel Dir Shear (0-3000m): 1.7 deg Storm rel helicity (0-3000m) pos: 114.5 neg: -50.7 tot: 63.8 m^2/s^2 ave: 21.3 10^-3 m/s^2 rel: 0.18 Storm rel vorticity (0-3000m) horiz: 9.1 stream: 1.7 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.02 Bulk Shear: 150.80 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 6 18 5 31| 0.0 8.1 8.1| 0.0 -36.1 -36.1 -72.2 -0.44| 10.9 -4.8 1000 3 18 3 31| 0.0 3.9 3.9| 4.0 -40.7 -36.8 -36.8 -0.35| 6.9 -2.4 1500 4 18 4 31| 0.9 2.6 3.5| 23.8 -40.7 -17.0 -11.3 -0.14| 5.5 -0.8 2000 9 16 7 29| 5.8 1.9 7.8|105.9 -40.7 65.2 32.6 0.33| 9.6 3.2 2500 14 15 9 28| 5.7 1.5 7.3|114.5 -41.1 73.5 29.4 0.33| 9.7 3.2 3000 21 14 13 27| 3.9 1.3 5.2|114.5 -50.7 63.8 21.3 0.18| 9.1 1.7 4000 50 14 28 25| 4.0 0.3 4.3|117.8 -54.2 63.7 15.9 0.17| 9.4 1.6 5000 124 16 75 15| 3.2 0.6 3.8|133.0 -67.1 65.9 13.2 0.16| 8.7 1.4 6000 154 17 107 9| 2.9 0.5 3.4|158.5 -67.1 91.4 15.2 0.25| 8.3 2.1 Wrote GIF file: /home/apache/climate/data/raob//SBVT/skewt/SBVT.skewt.20251017.12.gif