UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042112.upa.cvt Date: 1200Z 21 APR 25 Searching for SBVT... Searching the city database file for: SBVT ... Date:1200Z 21 APR 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 26.2 21.2 74 5.0 22.6 220 11 298.3 301.2 295.4 344.4 15.85 1 1000 110 24.8 19.8 74 5.0 21.3 210 13 298.0 300.6 294.4 340.6 14.69 2 946 595 20.2 18.5 90 1.7 19.1 186 20 298.0 300.6 294.2 339.6 14.31 3 925 790 19.6 17.2 86 2.4 17.9 180 22 299.4 301.8 294.0 338.6 13.47 4 859 1424 15.4 14.3 93 1.1 14.7 200 17 301.4 303.6 293.5 336.8 12.02 5 850 1514 15.6 13.0 85 2.6 13.9 205 16 302.5 304.5 293.2 335.5 11.14 6 794 2091 12.6 12.3 98 0.3 12.4 210 9 305.2 307.4 294.1 339.4 11.40 7 760 2458 10.8 10.3 97 0.5 10.5 285 5 307.1 309.1 294.0 338.6 10.41 8 741 2670 11.0 5.0 66 6.0 7.5 211 2 309.6 311.0 292.3 332.3 7.40 9 700 3145 8.8 4.2 73 4.6 6.1 280 11 312.2 313.6 293.1 335.2 7.41 10 674 3456 6.2 2.6 78 3.6 4.2 285 13 312.7 314.0 292.8 334.1 6.86 11 663 3591 6.2 -2.8 52 9.0 1.6 291 16 314.2 315.1 291.5 329.1 4.70 12 640 3880 7.8 -24.2 8 32.0 -2.8 264 17 319.2 319.4 289.4 322.1 0.84 13 596 4464 5.6 -29.4 6 35.0 -4.8 278 18 323.2 323.3 290.3 325.2 0.56 14 500 5870 -5.1 -23.1 23 18.0 -10.8 230 24 326.8 327.1 292.0 331.0 1.19 15 471 6337 -9.1 -26.1 24 17.0 -13.8 238 26 327.5 327.7 292.0 330.9 0.97 16 409 7421 -14.5 -40.5 9 26.0 -19.2 247 31 334.0 334.1 293.1 335.1 0.27 17 401 7571 -15.1 -34.1 18 19.0 -19.1 250 36 335.1 335.2 293.6 337.1 0.53 18 400 7590 -15.3 -33.3 20 18.0 -19.2 250 37 335.1 335.2 293.6 337.3 0.58 19 384 7896 -18.1 -30.1 34 12.0 -20.8 250 41 335.4 335.5 293.9 338.4 0.82 20 348 8623 -22.7 -43.7 13 21.0 -25.6 255 41 338.7 338.8 294.2 339.6 0.23 21 300 9690 -32.1 -44.1 29 12.0 -33.4 255 39 340.1 340.2 294.6 341.1 0.25 22 263 10605 -40.3 -46.3 53 6.0 -40.8 244 46 341.2 341.2 294.8 342.1 0.23 23 261 10657 -40.7 -47.7 47 7.0 -41.2 244 47 341.3 341.4 294.8 342.1 0.20 24 250 10950 -42.5 -52.5 33 10.0 -43.1 240 50 342.9 342.9 295.1 343.4 0.12 25 245 11086 -42.3 -58.3 16 16.0 -43.0 238 49 345.2 345.2 295.6 345.4 0.06 26 231 11480 -45.7 -60.7 17 15.0 -46.3 236 49 345.9 345.9 295.7 346.1 0.05 27 200 12420 -53.5 -63.5 28 10.0 -53.7 240 57 348.0 348.1 296.3 348.2 0.04 28 182 13020 -58.3 -67.3 31 9.0 -58.5 236 64 349.7 349.8 296.6 349.9 0.02 29 162 13742 -64.7 -68.8 57 4.1 -64.7 230 72 350.9 350.9 296.8 351.0 0.02 30 159 13856 -65.7 -69.0 63 3.3 -65.7 230 72 351.0 351.0 296.8 351.1 0.02 31 153 14090 -65.7 -81.7 9 16.0 -65.8 237 66 354.9 354.9 297.7 354.9 0.00 32 150 14210 -66.1 -80.1 12 14.0 -66.2 250 56 356.2 356.2 298.0 356.2 0.00 33 147 14333 -66.5 -80.5 12 14.0 -66.6 253 55 357.6 357.6 298.2 357.6 0.00 34 100 16590 -80.3 -86.3 36 6.0 -80.3 275 47 372.6 372.6 301.0 372.6 0.00 35 96 16821 -81.3 -87.3 35 6.0 -81.3 280 45 375.0 375.0 301.4 375.0 0.00 36 90 17185 -81.9 -88.9 29 7.0 -81.9 280 43 380.8 380.8 302.3 380.8 0.00 37 79 17921 -80.3 -89.3 21 9.0 -80.3 305 37 398.6 398.6 305.0 398.6 0.00 38 77 18067 -77.3 -88.3 16 11.0 -77.3 299 34 407.7 407.7 306.2 407.8 0.00 39 71 18537 -75.1 -90.1 8 15.0 -75.2 287 31 422.0 422.0 307.9 422.0 0.00 40 70 18620 -73.3 -89.3 7 16.0 -73.4 275 24 427.6 427.6 308.6 427.6 0.00 41 61 19441 -64.5 -89.5 2 25.0 -64.8 336 20 464.3 464.3 312.1 464.3 0.00 42 53 20289 -68.3 -90.3 3 22.0 -68.5 294 18 474.6 474.6 313.0 474.6 0.00 43 50 20640 -66.1 -89.1 3 23.0 -66.4 110 6 487.7 487.7 314.1 487.7 0.00 44 43 21557 -65.3 -89.3 2 24.0 -65.7 66 17 511.2 511.2 315.7 511.2 0.00 45 35 22836 -56.7 -86.7 1 30.0 -57.9 75 15 564.6 564.6 318.9 564.7 0.01 46 30 23810 -58.3 -87.3 1 29.0 -59.4 80 24 585.7 585.7 319.9 585.7 0.01 47 22 25804 -48.3 -82.3 1 34.0 -52.1 86 35 669.8 669.8 323.4 670.0 0.02 48 20 26430 -48.7 -82.7 1 34.0 -52.6 85 32 687.1 687.1 324.0 687.3 0.02 49 19 26768 -48.1 -82.1 1 34.0 -52.3 85 33 699.1 699.1 324.4 699.3 0.02 50 17 27500 -48.9 -81.9 1 33.0 -53.1 85 35 719.2 719.2 325.0 719.4 0.03 51 14 28790 -43.7 -80.7 1 37.0 -50.7 87 37 777.8 777.9 326.7 778.2 0.04 TRP 96 16821 -81.3 -87.3 35 6.0 -81.3 280 45 375.0 375.0 301.4 375.0 0.00 WND 162 13742 -64.7 -68.8 57 4.1 -64.7 230 72 350.9 350.9 296.8 351.0 0.02 Sounding variables and indices 1000-500 mb thick: 5760.00 m Freezing level: 545.76 mb = 5199.81 m = 17059.55 ft Wetbulb zero: 654.52 mb = 3696.23 m = 12126.61 ft Precipitable water: 1.67 inches Sfc-500 mean rel hum: 56.02 % Est. max temperature: 29.15 C = 84.48 F Sfc-Lift cond lev (LCL): 941.11 mb = 640.38 m = 2100.97 ft T: 20.06 C 700-500 lapse rate: 5.10 C/km ThetaE index: 8.92 C Layer 1000.0- 794.0 mb Conv cond level (CCL): 892.64 mb = 1095.13 m = 3592.90 ft Mean mixing ratio: 14.30 g/kg Conv temperature: 28.20 C = 82.77 F Cap Strength: 4.58 C Lifted Index: 1.68 C Risk: Showers probable Lifted Index @300 mb: 1.98 C Lifted Index @700 mb: 1.16 C Showalter Index: 3.61 C Risk: None Total Totals Index: 38.80 C Risk: None Vertical Totals Index: 20.70 C Cross Totals Index: 18.10 C K Index: 29.10 Risk: 40-60 % chance of thunderstorms Sweat Index: 289.83 Risk: None Energy Index: -0.77 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 7.48 J/kg Max Up Vert Vel: 3.87 m/s Conv Inhibition (B-): 13.64 J/kg Cap Strength: 4.54 C Lift Cond Lev (LCL): 918.50 mb = 850.47 m = 2790.22 ft Lev Free Conv (LFC): 863.50 mb = 1379.64 m = 4526.33 ft Equ Level (EL): 853.50 mb = 1479.07 m = 4852.54 ft B at Equ Level: 6.50 J/kg Max Parcel Lev (MPL): 743.50 mb = 2642.25 m = 8668.68 ft Wind level data Storm motion: 270 at 11 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 4 220 11 7.1 8.4 | 155 9 -4.0 8.5 1 1000 110 210 13 6.5 11.3 | 158 12 -4.6 11.3 2 978 305 200 16 5.5 15.0 | 160 16 -5.6 15.1 3 944 610 185 20 1.7 19.9 | 155 22 -9.3 20.0 4 925 790 180 22 0.0 22.0 | 153 25 -11.1 22.1 5 912 914 175 20 -1.7 19.9 | 147 24 -12.8 20.0 6 850 1514 205 16 6.8 14.5 | 164 15 -4.3 14.6 7 790 2134 210 8 4.0 6.9 | 135 10 -7.1 7.0 8 761 2438 290 5 4.7 -1.7 | 76 7 -6.4 -1.6 9 734 2743 185 1 0.1 1.0 | 96 11 -11.0 1.1 10 700 3145 280 11 10.8 -1.9 | 7 2 -0.2 -1.8 11 682 3353 280 11 10.8 -1.9 | 7 2 -0.2 -1.8 12 657 3658 295 17 15.4 -7.2 | 329 8 4.3 -7.1 13 633 3962 250 17 16.0 5.8 | 220 8 4.9 5.9 14 609 4267 275 18 17.9 -1.6 | 282 7 6.9 -1.5 15 565 4877 285 18 17.4 -4.7 | 306 8 6.3 -4.6 16 505 5791 240 17 14.7 8.5 | 203 9 3.6 8.6 17 500 5870 230 24 18.4 15.4 | 205 17 7.3 15.5 18 486 6096 230 24 18.4 15.4 | 205 17 7.3 15.5 19 449 6706 250 29 27.3 9.9 | 238 19 16.2 10.0 20 415 7315 245 27 24.5 11.4 | 229 18 13.4 11.5 21 400 7590 250 37 34.8 12.7 | 242 27 23.7 12.7 22 382 7925 250 42 39.5 14.4 | 243 32 28.4 14.4 23 366 8230 255 42 40.6 10.9 | 250 31 29.5 10.9 24 300 9690 255 39 37.7 10.1 | 249 28 26.6 10.2 25 297 9754 255 38 36.7 9.8 | 249 27 25.6 9.9 26 250 10950 240 50 43.3 25.0 | 232 41 32.2 25.1 27 238 11278 235 47 38.5 27.0 | 225 39 27.4 27.0 28 200 12420 240 57 49.4 28.5 | 233 48 38.3 28.6 29 162 13742 230 72 55.2 46.3 | 224 64 44.1 46.3 30 155 14021 230 72 55.2 46.3 | 224 64 44.1 46.3 31 150 14210 250 56 52.6 19.2 | 245 46 41.5 19.2 32 140 14630 260 51 50.2 8.9 | 257 40 39.2 8.9 33 102 16459 285 40 38.6 -10.4 | 290 29 27.6 -10.3 34 100 16590 275 47 46.8 -4.1 | 276 36 35.7 -4.0 35 97 16764 275 47 46.8 -4.1 | 276 36 35.7 -4.0 36 96 16821 280 45 44.3 -7.8 | 283 34 33.2 -7.8 37 83 17678 280 41 40.4 -7.1 | 284 30 29.3 -7.1 38 78 17983 310 36 27.6 -23.1 | 324 28 16.5 -23.1 39 74 18288 275 31 30.9 -2.7 | 278 20 19.8 -2.6 40 70 18593 290 31 29.1 -10.6 | 300 21 18.1 -10.5 41 70 18620 275 24 23.9 -2.1 | 279 13 12.8 -2.0 42 67 18898 275 26 25.9 -2.3 | 278 15 14.8 -2.2 43 64 19202 300 14 12.1 -7.0 | 351 7 1.1 -6.9 44 60 19507 345 21 5.4 -20.3 | 16 21 -5.6 -20.2 45 57 19812 310 12 9.2 -7.7 | 14 8 -1.9 -7.7 46 52 20422 290 20 18.8 -6.8 | 311 10 7.7 -6.8 47 50 20640 110 6 -5.6 2.1 | 97 17 -16.7 2.1 48 49 20726 125 3 -2.5 1.7 | 98 14 -13.5 1.8 49 47 21031 90 12 -12.0 0.0 | 90 23 -23.1 0.1 50 45 21336 70 20 -18.8 -6.8 | 77 31 -29.9 -6.8 51 43 21641 65 16 -14.5 -6.8 | 75 26 -25.6 -6.7 52 41 21946 70 11 -10.3 -3.8 | 80 22 -21.4 -3.7 53 39 22250 65 19 -17.2 -8.0 | 74 29 -28.3 -8.0 54 35 22860 75 15 -14.5 -3.9 | 82 26 -25.6 -3.8 55 33 23165 120 13 -11.3 6.5 | 106 23 -22.3 6.6 56 32 23470 125 13 -10.6 7.5 | 109 23 -21.7 7.5 57 30 23810 80 24 -23.6 -4.2 | 83 35 -34.7 -4.1 58 27 24384 75 18 -17.4 -4.7 | 81 29 -28.5 -4.6 59 26 24689 75 23 -22.2 -6.0 | 80 34 -33.3 -5.9 60 25 24994 110 25 -23.5 8.6 | 104 36 -34.6 8.6 61 24 25298 90 34 -34.0 0.0 | 90 45 -45.1 0.1 62 22 25908 85 35 -34.9 -3.1 | 86 46 -45.9 -3.0 63 21 26213 100 34 -33.5 5.9 | 98 45 -44.6 6.0 64 20 26430 85 32 -31.9 -2.8 | 86 43 -43.0 -2.7 65 18 26822 85 34 -33.9 -3.0 | 86 45 -44.9 -2.9 66 9 29261 90 41 -41.0 0.0 | 90 52 -52.1 0.1 Wind Parameters Mean winds (0-6000m): 240.3 at 14.8 knts Storm direction: 270.3 at 11.1 knts Shear (0-3000m) pos: 3.4 neg: 2.5 tot: 5.9 10-3/s Storm rel Dir Shear (0-3000m): -28.9 deg Storm rel helicity (0-3000m) pos: 45.6 neg: -56.0 tot: -10.5 m^2/s^2 ave: -3.5 10^-3 m/s^2 rel: -0.06 Storm rel vorticity (0-3000m) horiz: 9.9 stream: -0.6 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.58 Bulk Shear: 12.92 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 ------------------------------------------------------------------------------- 500 202 15 159 15| 0.0 10.9 10.9| 3.0 -4.0 -0.9 -1.8 0.02| 11.1 0.2 1000 190 18 155 19| 0.0 6.8 6.8| 8.4 -27.2 -18.9 -18.9 -0.14| 10.0 -1.4 1500 190 18 155 19| 2.9 4.5 7.4| 30.8 -27.2 3.6 2.4 0.06| 9.6 0.6 2000 193 17 156 18| 3.1 3.4 6.5| 30.8 -41.7 -10.8 -5.4 -0.08| 8.9 -0.7 2500 196 15 153 16| 4.1 2.7 6.8| 33.0 -54.6 -21.6 -8.6 -0.19| 9.5 -1.8 3000 198 13 149 14| 3.4 2.5 5.9| 45.6 -56.0 -10.5 -3.5 -0.06| 9.9 -0.6 4000 219 13 164 11| 3.7 2.9 6.6| 45.6 -78.2 -32.7 -8.2 -0.26| 10.6 -2.8 5000 236 14 184 8| 3.7 2.4 6.1| 62.5 -81.1 -18.6 -3.7 -0.15| 9.6 -1.4 6000 240 15 193 8| 3.1 3.5 6.6| 63.1-102.3 -39.2 -6.5 -0.22| 9.7 -2.1 Wrote GIF file: /home/apache/climate/data/raob//SBVT/skewt/SBVT.skewt.20250421.12.gif