UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041612.upa.cvt Date: 1200Z 16 APR 25 Searching for SBVT... Searching the city database file for: SBVT ... Date:1200Z 16 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 1014 4 24.4 21.1 82 3.3 22.1 320 3 296.4 299.2 294.7 341.7 15.72 1 1000 129 24.0 19.0 74 5.0 20.5 305 7 297.1 299.7 293.7 337.5 13.96 2 999 138 24.2 18.2 69 6.0 20.1 305 7 297.4 299.8 293.3 335.9 13.28 3 925 811 20.2 15.4 74 4.8 17.0 15 2 300.0 302.2 293.1 335.0 11.98 4 862 1417 17.4 15.6 89 1.8 16.2 330 9 303.2 305.6 294.8 341.8 13.04 5 850 1537 17.2 14.4 84 2.8 15.3 320 9 304.2 306.4 294.4 340.6 12.23 6 814 1906 16.0 11.9 77 4.1 13.3 337 11 306.7 308.7 294.1 339.3 10.82 7 769 2387 12.4 9.6 83 2.8 10.6 325 8 307.8 309.7 293.7 337.6 9.81 8 743 2675 11.0 -3.0 37 14.0 4.0 305 9 309.3 310.1 289.5 322.3 4.12 9 735 2766 10.2 2.2 58 8.0 5.8 299 9 309.4 310.6 291.2 328.3 6.11 10 700 3171 8.2 -2.8 46 11.0 2.7 275 13 311.6 312.4 290.5 325.6 4.45 11 683 3374 7.4 -2.6 49 10.0 2.3 271 14 312.9 313.8 291.0 327.5 4.63 12 675 3471 7.0 -10.0 29 17.0 -0.4 269 15 313.5 314.0 289.4 322.1 2.65 13 627 4074 4.0 -5.0 52 9.0 -0.4 249 13 316.7 317.5 291.8 330.3 4.21 14 608 4323 2.2 -9.8 41 12.0 -3.0 243 11 317.5 318.0 290.9 327.2 2.99 15 571 4830 1.2 -30.8 7 32.0 -7.5 299 13 322.0 322.1 289.9 323.9 0.51 16 508 5756 -7.1 -28.1 17 21.0 -12.6 330 16 322.9 323.1 290.5 325.6 0.74 17 500 5880 -7.9 -11.7 74 3.8 -9.5 310 20 323.4 324.0 292.7 333.8 3.12 18 499 5896 -7.9 -9.7 87 1.8 -8.7 310 20 323.6 324.3 293.3 335.8 3.67 19 496 5943 -7.1 -7.2 99 0.1 -7.1 309 21 325.1 326.0 294.3 340.0 4.50 20 449 6712 -11.9 -11.9 100 0.0 -11.9 310 32 328.5 329.2 294.3 340.1 3.42 21 418 7258 -14.3 -16.6 83 2.3 -15.1 301 35 332.2 332.7 294.6 340.9 2.50 22 400 7590 -17.1 -17.8 94 0.7 -17.3 295 37 332.8 333.2 294.6 341.0 2.36 23 366 8251 -21.5 -22.1 95 0.6 -21.7 295 35 335.5 335.8 294.7 341.8 1.78 24 350 8579 -23.3 -25.6 81 2.3 -23.9 284 40 337.3 337.6 294.8 342.3 1.36 25 347 8642 -23.1 -29.1 58 6.0 -24.4 282 42 338.4 338.7 294.8 342.1 0.99 26 317 9297 -28.7 -30.6 84 1.9 -29.0 275 53 339.5 339.7 295.1 343.1 0.94 27 309 9480 -29.3 -35.3 56 6.0 -30.3 275 56 341.2 341.3 295.1 343.5 0.61 28 300 9690 -30.9 -37.9 50 7.0 -31.9 275 60 341.8 341.9 295.2 343.7 0.49 29 286 10028 -33.3 -39.3 55 6.0 -34.1 272 66 343.1 343.2 295.5 344.8 0.44 30 280 10177 -34.2 -43.0 41 8.8 -35.2 270 68 343.8 343.9 295.5 345.1 0.31 31 271 10405 -35.7 -48.7 25 13.0 -36.8 271 67 344.9 345.0 295.7 345.6 0.17 32 250 10960 -41.1 -49.1 42 8.0 -41.6 280 59 345.0 345.0 295.7 345.7 0.18 33 241 11209 -42.5 -59.5 14 17.0 -43.3 280 59 346.5 346.5 295.9 346.7 0.05 34 200 12440 -53.3 -68.3 14 15.0 -53.6 270 56 348.4 348.4 296.3 348.4 0.02 35 198 12504 -53.5 -70.5 11 17.0 -53.8 269 56 349.0 349.1 296.4 349.1 0.01 36 169 13497 -62.7 -69.7 38 7.0 -62.8 258 59 349.9 349.9 296.6 350.0 0.02 37 150 14220 -67.5 -77.5 23 10.0 -67.5 250 63 353.8 353.8 297.4 353.8 0.01 38 140 14634 -69.9 -80.9 19 11.0 -69.9 250 63 356.6 356.6 298.0 356.7 0.00 39 103 16438 -75.5 -87.5 14 12.0 -75.5 313 31 378.6 378.6 302.1 378.6 0.00 40 100 16610 -74.9 -87.9 12 13.0 -74.9 300 32 383.0 383.0 302.7 383.0 0.00 41 87 17406 -80.1 -90.1 17 10.0 -80.1 270 38 388.1 388.1 303.5 388.1 0.00 42 83 17672 -78.3 -89.3 15 11.0 -78.3 270 39 397.0 397.0 304.8 397.1 0.00 43 74 18322 -80.7 -89.7 21 9.0 -80.7 291 20 405.2 405.2 305.9 405.3 0.00 44 71 18558 -75.1 -89.1 10 14.0 -75.2 299 25 422.0 422.0 307.9 422.0 0.00 45 70 18640 -74.7 -89.7 8 15.0 -74.7 295 15 424.6 424.6 308.2 424.6 0.00 46 58 19743 -72.1 -90.1 5 18.0 -72.2 353 2 453.9 453.9 311.2 453.9 0.00 47 52 20400 -64.5 -89.5 2 25.0 -64.8 17 12 486.0 486.0 313.9 486.0 0.00 48 50 20640 -65.1 -89.1 2 24.0 -65.4 255 7 490.1 490.1 314.2 490.1 0.00 49 46 21149 -65.1 -89.1 2 24.0 -65.4 338 4 501.9 501.9 315.1 501.9 0.00 50 34 23021 -58.7 -87.7 1 29.0 -59.6 60 13 564.1 564.1 318.9 564.1 0.01 51 30 23810 -57.5 -86.5 1 29.0 -58.7 105 20 587.9 587.9 320.0 587.9 0.01 52 20 26410 -50.9 -83.9 1 33.0 -54.1 105 30 680.4 680.4 323.8 680.5 0.02 53 14 28754 -46.7 -81.7 1 35.0 -52.4 95 47 767.7 767.7 326.4 768.0 0.04 TRP 87 17406 -80.1 -90.1 17 10.0 -80.1 270 38 388.1 388.1 303.5 388.1 0.00 WND 280 10177 -34.2 -43.0 41 8.8 -35.2 270 68 343.8 343.9 295.5 345.1 0.31 Sounding variables and indices 1000-500 mb thick: 5751.00 m Freezing level: 561.89 mb = 4963.57 m = 16284.48 ft Wetbulb zero: 676.16 mb = 3456.54 m = 11340.22 ft Precipitable water: 1.71 inches Sfc-500 mean rel hum: 51.43 % Est. max temperature: 31.11 C = 87.99 F Sfc-Lift cond lev (LCL): 966.51 mb = 426.99 m = 1400.88 ft T: 22.48 C 700-500 lapse rate: 5.94 C/km ThetaE index: 19.59 C Layer 850.0- 735.0 mb Conv cond level (CCL): 789.21 mb = 2167.61 m = 7111.50 ft Mean mixing ratio: 12.87 g/kg Conv temperature: 35.38 C = 95.68 F Cap Strength: 3.56 C Lifted Index: 0.52 C Risk: Showers probable Lifted Index @300 mb: 5.55 C Lifted Index @700 mb: 1.79 C Showalter Index: -1.36 C Risk: Thunderstorms probable Total Totals Index: 47.40 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 25.10 C Cross Totals Index: 22.30 C K Index: 28.50 Risk: 40-60 % chance of thunderstorms Sweat Index: 210.80 Risk: None Energy Index: -1.35 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 8.00 J/kg Max Up Vert Vel: 4.00 m/s Conv Inhibition (B-): 29491.31 J/kg Cap Strength: 3.58 C Lift Cond Lev (LCL): 893.52 mb = 1108.57 m = 3636.99 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 329 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 1014 4 320 3 1.9 -2.3 | 155 5 -2.1 4.4 1 1000 129 305 7 5.7 -4.0 | 212 3 1.7 2.7 2 980 305 315 4 2.8 -2.8 | 163 4 -1.2 3.9 3 947 610 85 3 -3.0 -0.3 | 133 10 -7.0 6.5 4 925 811 15 2 -0.5 -1.9 | 136 7 -4.6 4.8 5 914 914 15 2 -0.5 -1.9 | 136 7 -4.6 4.8 6 851 1524 320 10 6.4 -7.7 | 291 3 2.4 -0.9 7 850 1537 320 9 5.8 -6.9 | 276 2 1.7 -0.2 8 821 1829 335 11 4.6 -10.0 | 349 3 0.6 -3.2 9 792 2134 345 10 2.6 -9.7 | 26 3 -1.5 -2.9 10 764 2438 320 7 4.5 -5.4 | 199 1 0.5 1.4 11 710 3048 280 11 10.8 -1.9 | 235 8 6.8 4.8 12 700 3171 275 13 13.0 -1.1 | 238 11 8.9 5.6 13 659 3658 265 16 15.9 1.4 | 236 14 11.9 8.1 14 611 4267 240 11 9.5 5.5 | 204 13 5.5 12.2 15 588 4572 260 13 12.8 2.3 | 224 13 8.8 9.0 16 566 4877 310 13 10.0 -8.4 | 285 6 5.9 -1.6 17 525 5486 330 12 6.0 -10.4 | 332 4 2.0 -3.7 18 506 5791 330 17 8.5 -14.7 | 331 9 4.5 -8.0 19 500 5880 310 20 15.3 -12.9 | 299 13 11.3 -6.1 20 486 6096 305 22 18.0 -12.6 | 293 15 14.0 -5.9 21 449 6706 310 32 24.5 -20.6 | 304 25 20.5 -13.8 22 400 7590 295 37 33.5 -15.6 | 287 31 29.5 -8.9 23 398 7620 290 35 32.9 -12.0 | 280 29 28.9 -5.2 24 366 8230 295 35 31.7 -14.8 | 286 29 27.7 -8.1 25 337 8839 275 45 44.8 -3.9 | 266 41 40.8 2.8 26 300 9690 275 60 59.8 -5.2 | 268 56 55.7 1.5 27 280 10177 270 68 68.0 -0.0 | 264 64 64.0 6.7 28 273 10363 270 68 68.0 -0.0 | 264 64 64.0 6.7 29 250 10960 280 59 58.1 -10.2 | 274 54 54.1 -3.5 30 228 11582 280 60 59.1 -10.4 | 274 55 55.1 -3.7 31 200 12440 270 56 56.0 -0.0 | 263 52 52.0 6.7 32 189 12802 265 55 54.8 4.8 | 257 52 50.8 11.5 33 150 14220 250 63 59.2 21.5 | 243 62 55.2 28.3 34 140 14630 250 63 59.2 21.5 | 243 62 55.2 28.3 35 120 15545 275 51 50.8 -4.4 | 267 47 46.8 2.3 36 114 15850 270 50 50.0 -0.0 | 262 46 46.0 6.7 37 103 16459 315 30 21.2 -21.2 | 310 22 17.2 -14.5 38 100 16610 300 32 27.7 -16.0 | 291 25 23.7 -9.3 39 97 16764 300 31 26.8 -15.5 | 291 24 22.8 -8.8 40 87 17406 270 38 38.0 -0.0 | 259 35 34.0 6.7 41 83 17678 270 39 39.0 -0.0 | 259 36 35.0 6.7 42 79 17983 265 35 34.9 3.1 | 252 32 30.8 9.8 43 74 18288 290 19 17.9 -6.5 | 269 14 13.8 0.2 44 71 18593 300 26 22.5 -13.0 | 289 20 18.5 -6.3 45 70 18640 295 15 13.6 -6.3 | 268 10 9.6 0.4 46 60 19507 320 11 7.1 -8.4 | 299 3 3.0 -1.7 47 57 19812 0 0 -0.0 -0.0 | 149 8 -4.0 6.7 48 55 20117 55 17 -13.9 -9.8 | 80 18 -18.0 -3.0 49 52 20422 15 12 -3.1 -11.6 | 56 9 -7.1 -4.9 50 50 20640 255 7 6.8 1.8 | 198 9 2.7 8.5 51 43 21641 55 2 -1.6 -1.1 | 134 8 -5.7 5.6 52 41 21946 10 12 -2.1 -11.8 | 50 8 -6.1 -5.1 53 39 22250 25 14 -5.9 -12.7 | 59 12 -10.0 -6.0 54 37 22555 65 17 -15.4 -7.2 | 89 19 -19.4 -0.5 55 35 22860 20 11 -3.8 -10.3 | 65 9 -7.8 -3.6 56 33 23165 90 14 -14.0 0.0 | 110 19 -18.0 6.7 57 32 23470 80 11 -10.8 -1.9 | 108 16 -14.9 4.8 58 30 23774 105 16 -15.5 4.1 | 119 22 -19.5 10.9 59 30 23810 105 20 -19.3 5.2 | 117 26 -23.4 11.9 60 26 24689 80 28 -27.6 -4.9 | 93 32 -31.6 1.9 61 24 25298 85 29 -28.9 -2.5 | 97 33 -32.9 4.2 62 23 25603 70 31 -29.1 -10.6 | 83 33 -33.2 -3.9 63 22 25908 90 21 -21.0 0.0 | 105 26 -25.0 6.7 64 21 26213 115 17 -15.4 7.2 | 126 24 -19.4 13.9 65 20 26410 105 30 -29.0 7.8 | 114 36 -33.0 14.5 66 19 26518 95 29 -28.9 2.5 | 106 34 -32.9 9.3 67 13 28042 95 52 -51.8 4.5 | 101 57 -55.8 11.3 68 10 28956 90 48 -48.0 0.0 | 97 52 -52.0 6.7 Wind Parameters Mean winds (0-6000m): 299.0 at 10.5 knts Storm direction: 329.0 at 7.8 knts Shear (0-3000m) pos: 1.2 neg: 2.6 tot: 3.9 10-3/s Storm rel Dir Shear (0-3000m): 81.4 deg Storm rel helicity (0-3000m) pos: 10.3 neg: -11.0 tot: -0.7 m^2/s^2 ave: -0.2 10^-3 m/s^2 rel: -0.11 Storm rel vorticity (0-3000m) horiz: 7.4 stream: -0.8 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 1.51 Bulk Shear: 5.30 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 ------------------------------------------------------------------------------- 500 320 5 162 3| 4.2 0.0 4.2| 2.6 -5.5 -2.9 -5.8 -0.21| 11.5 -2.4 1000 340 4 140 4| 2.1 1.0 3.1| 6.7 -7.3 -0.7 -0.7 -0.08| 9.2 -0.7 1500 333 5 144 3| 1.4 3.3 4.7| 6.7 -10.0 -3.4 -2.2 -0.26| 9.2 -2.4 2000 332 6 140 2| 1.8 2.5 4.3| 9.0 -10.0 -1.0 -0.5 -0.12| 7.9 -0.9 2500 333 7 130 1| 1.5 2.0 3.5| 9.7 -10.3 -0.6 -0.2 -0.14| 7.7 -1.1 3000 324 7 182 1| 1.2 2.6 3.9| 10.3 -11.0 -0.7 -0.2 -0.11| 7.4 -0.8 4000 299 9 237 4| 0.9 2.5 3.4| 11.2 -29.7 -18.5 -4.6 -0.17| 7.0 -1.2 5000 290 10 236 6| 1.9 2.0 3.9| 48.2 -39.0 9.2 1.8 0.03| 7.6 0.2 6000 299 10 252 5| 1.9 2.5 4.3| 52.2 -58.7 -6.5 -1.1 -0.02| 7.7 -0.1 Wrote GIF file: /home/apache/climate/data/raob//SBVT/skewt/SBVT.skewt.20250416.12.gif