UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041712.upa.cvt Date: 1200Z 17 APR 25 Searching for SBVT... Searching the city database file for: SBVT ... Date:1200Z 17 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 1016 4 22.4 22.4 100 0.0 22.4 200 2 294.2 297.3 295.0 342.8 17.02 1 1000 143 21.6 21.5 99 0.1 21.5 155 4 294.8 297.7 294.7 341.6 16.35 2 925 820 19.0 18.7 98 0.3 18.8 90 4 298.7 301.4 294.8 341.9 14.83 3 850 1546 16.0 16.0 100 0.0 16.0 265 1 302.9 305.4 295.1 343.1 13.58 4 784 2233 13.4 13.4 100 0.0 13.4 330 12 307.2 309.5 295.4 344.6 12.43 5 700 3183 9.0 9.0 100 0.0 9.0 320 10 312.5 314.4 295.4 344.4 10.36 6 623 4140 3.8 2.9 94 0.9 3.3 284 11 317.1 318.6 294.6 341.1 7.60 7 584 4664 2.0 -3.0 69 5.0 -0.6 264 13 320.9 321.9 293.8 338.0 5.26 8 500 5900 -5.9 -6.7 94 0.8 -6.3 285 17 325.8 326.8 294.6 341.2 4.64 9 498 5931 -6.1 -6.8 95 0.7 -6.4 284 17 326.0 326.9 294.6 341.3 4.62 10 495 5979 -5.1 -9.4 72 4.3 -7.0 283 18 327.8 328.5 294.4 340.5 3.79 11 467 6434 -9.1 -11.9 80 2.8 -10.3 275 25 328.3 329.0 294.2 339.5 3.29 12 460 6551 -9.3 -24.3 28 15.0 -13.7 273 27 329.5 329.7 292.7 333.6 1.16 13 450 6721 -10.7 -27.7 23 17.0 -15.2 270 29 329.8 330.0 292.5 332.9 0.87 14 435 6982 -12.5 -14.3 86 1.8 -13.2 271 29 330.7 331.3 294.5 340.7 2.91 15 410 7433 -14.5 -19.5 66 5.0 -16.2 274 30 333.8 334.2 294.5 340.8 1.99 16 403 7563 -15.3 -22.3 55 7.0 -17.4 275 30 334.4 334.7 294.3 340.1 1.59 17 400 7620 -15.9 -21.9 60 6.0 -17.7 275 30 334.3 334.7 294.4 340.2 1.66 18 390 7810 -17.5 -22.0 68 4.5 -18.8 273 32 334.7 335.0 294.5 340.7 1.68 19 371 8182 -20.1 -31.1 37 11.0 -22.5 270 36 336.0 336.2 294.0 338.9 0.77 20 365 8302 -21.3 -29.3 49 8.0 -23.1 271 37 336.0 336.2 294.1 339.4 0.93 21 353 8548 -22.7 -41.7 16 19.0 -25.5 275 37 337.3 337.4 293.9 338.4 0.28 22 340 8822 -25.3 -27.7 80 2.4 -25.8 279 38 337.4 337.7 294.7 341.7 1.15 23 337 8886 -25.5 -35.5 39 10.0 -27.2 279 38 338.0 338.1 294.3 340.1 0.55 24 331 9016 -25.9 -47.9 11 22.0 -28.4 276 38 339.2 339.2 294.3 339.8 0.15 25 310 9487 -29.5 -53.5 8 24.0 -31.6 265 38 340.6 340.6 294.6 340.9 0.08 26 300 9720 -31.5 -53.5 10 22.0 -33.3 260 38 341.0 341.0 294.6 341.3 0.09 27 270 10455 -37.5 -57.5 11 20.0 -38.7 264 45 342.7 342.7 295.0 342.9 0.06 28 251 10953 -41.3 -57.3 16 16.0 -42.1 270 53 344.3 344.3 295.4 344.5 0.07 29 250 10980 -41.3 -55.3 21 14.0 -42.1 270 53 344.7 344.7 295.5 345.0 0.08 30 246 11090 -41.9 -49.9 41 8.0 -42.5 271 52 345.4 345.4 295.7 346.0 0.16 31 231 11514 -45.9 -49.5 67 3.6 -46.1 274 50 345.5 345.6 295.8 346.3 0.18 32 228 11601 -46.3 -54.3 40 8.0 -46.7 275 49 346.2 346.3 295.9 346.7 0.10 33 200 12460 -53.7 -57.9 60 4.2 -53.8 270 52 347.7 347.7 296.2 348.1 0.08 34 198 12524 -54.5 -58.2 64 3.7 -54.6 268 52 347.5 347.5 296.1 347.8 0.07 35 151 14200 -68.5 -72.2 59 3.7 -68.5 255 64 351.4 351.4 297.0 351.5 0.01 36 150 14240 -68.8 -72.2 62 3.4 -68.8 255 64 351.6 351.6 297.0 351.6 0.01 37 149 14280 -69.1 -72.1 65 3.0 -69.1 255 64 351.7 351.7 297.0 351.8 0.02 38 132 15002 -70.1 -84.1 11 14.0 -70.2 252 57 362.3 362.3 299.1 362.4 0.00 39 120 15566 -71.5 -85.5 11 14.0 -71.5 250 51 369.8 369.8 300.5 369.8 0.00 40 100 16620 -79.9 -87.9 25 8.0 -79.9 275 47 373.4 373.4 301.1 373.4 0.00 41 93 17032 -79.7 -87.7 25 8.0 -79.7 262 44 381.6 381.6 302.5 381.6 0.00 42 89 17284 -76.1 -87.1 16 11.0 -76.2 249 41 393.6 393.6 304.3 393.6 0.00 43 76 18194 -77.5 -89.5 13 12.0 -77.5 272 25 408.9 408.9 306.3 408.9 0.00 44 70 18670 -74.7 -89.7 8 15.0 -74.7 320 19 424.6 424.6 308.2 424.6 0.00 45 65 19104 -70.9 -88.9 5 18.0 -71.0 295 21 442.0 442.0 310.1 442.0 0.00 46 64 19196 -71.1 -89.1 5 18.0 -71.2 290 21 443.5 443.5 310.2 443.5 0.00 47 54 20200 -70.9 -89.9 4 19.0 -71.0 292 11 466.0 466.0 312.3 466.1 0.00 48 50 20660 -66.5 -89.5 3 23.0 -66.8 20 6 486.8 486.8 314.0 486.8 0.00 49 38 22351 -59.1 -87.1 1 28.0 -59.9 35 11 545.4 545.4 317.8 545.4 0.01 TRP 100 16620 -79.9 -87.9 25 8.0 -79.9 275 47 373.4 373.4 301.1 373.4 0.00 WND 150 14240 -68.8 -72.2 62 3.4 -68.8 255 64 351.6 351.6 297.0 351.6 0.01 Sounding variables and indices 1000-500 mb thick: 5757.00 m Freezing level: 562.73 mb = 4976.67 m = 16327.46 ft Wetbulb zero: 589.71 mb = 4584.82 m = 15041.87 ft Precipitable water: 2.37 inches Sfc-500 mean rel hum: 93.57 % Est. max temperature: 30.21 C = 86.38 F Sfc-Lift cond lev (LCL): 1016.41 mb = 4.00 m = 13.12 ft T: 22.40 C 700-500 lapse rate: 5.48 C/km ThetaE index: 6.69 C Layer 700.0- 500.0 mb Conv cond level (CCL): 957.81 mb = 517.30 m = 1697.15 ft Mean mixing ratio: 15.68 g/kg Conv temperature: 25.15 C = 77.27 F Cap Strength: 1.16 C Lifted Index: 0.12 C Risk: Showers probable Lifted Index @300 mb: 1.47 C Lifted Index @700 mb: 0.72 C Showalter Index: -0.35 C Risk: Thunderstorms probable Total Totals Index: 43.80 C Risk: None Vertical Totals Index: 21.90 C Cross Totals Index: 21.90 C K Index: 37.90 Risk: > 80 % chance of thunderstorms Sweat Index: 211.00 Risk: None Energy Index: -0.46 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 19.61 J/kg Max Up Vert Vel: 6.26 m/s Conv Inhibition (B-): 12951.61 J/kg Cap Strength: 1.13 C Lift Cond Lev (LCL): 962.94 mb = 470.92 m = 1544.99 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 321 at 7 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 4 200 2 0.7 1.9 | 153 8 -3.9 7.4 1 1000 143 155 4 -1.7 3.6 | 146 11 -6.2 9.2 2 982 305 135 7 -4.9 4.9 | 138 14 -9.5 10.5 3 948 610 130 6 -4.6 3.9 | 136 13 -9.1 9.4 4 925 820 90 4 -4.0 0.0 | 123 10 -8.5 5.6 5 915 914 100 2 -2.0 0.3 | 132 9 -6.5 5.9 6 850 1546 265 1 1.0 0.1 | 148 7 -3.6 5.6 7 793 2134 325 12 6.9 -9.8 | 331 5 2.3 -4.3 8 765 2438 340 11 3.8 -10.3 | 9 5 -0.8 -4.8 9 737 2743 315 10 7.1 -7.1 | 301 3 2.5 -1.5 10 711 3048 325 13 7.5 -10.6 | 330 6 2.9 -5.1 11 700 3183 320 10 6.4 -7.7 | 318 3 1.9 -2.1 12 685 3353 325 12 6.9 -9.8 | 331 5 2.3 -4.3 13 636 3962 300 11 9.5 -5.5 | 269 5 5.0 0.1 14 612 4267 270 11 11.0 -0.0 | 229 9 6.5 5.6 15 568 4877 260 14 13.8 2.4 | 229 12 9.2 8.0 16 526 5486 250 12 11.3 4.1 | 215 12 6.7 9.7 17 500 5900 285 17 16.4 -4.4 | 264 12 11.9 1.2 18 487 6096 280 20 19.7 -3.5 | 262 15 15.1 2.1 19 450 6706 270 29 29.0 -0.0 | 257 25 24.5 5.6 20 400 7620 275 30 29.9 -2.6 | 263 26 25.3 2.9 21 368 8230 270 37 37.0 -0.0 | 260 33 32.5 5.6 22 338 8839 280 38 37.4 -6.6 | 272 33 32.9 -1.0 23 300 9720 260 38 37.4 6.6 | 250 35 32.9 12.1 24 286 10058 260 40 39.4 6.9 | 250 37 34.8 12.5 25 250 10980 270 53 53.0 -0.0 | 263 49 48.5 5.6 26 208 12192 280 46 45.3 -8.0 | 273 41 40.8 -2.4 27 200 12460 270 52 52.0 -0.0 | 263 48 47.5 5.6 28 189 12802 260 50 49.2 8.7 | 252 47 44.7 14.2 29 150 14240 255 64 61.8 16.6 | 249 61 57.3 22.1 30 148 14326 255 64 61.8 16.6 | 249 61 57.3 22.1 31 120 15545 250 51 47.9 17.4 | 242 49 43.4 23.0 32 108 16154 280 38 37.4 -6.6 | 272 33 32.9 -1.0 33 103 16459 285 39 37.7 -10.1 | 278 33 33.1 -4.5 34 100 16620 275 47 46.8 -4.1 | 268 42 42.3 1.5 35 98 16764 275 47 46.8 -4.1 | 268 42 42.3 1.5 36 88 17374 245 40 36.3 16.9 | 235 39 31.7 22.5 37 83 17678 290 25 23.5 -8.6 | 279 19 18.9 -3.0 38 79 17983 270 26 26.0 -0.0 | 255 22 21.5 5.6 39 71 18593 275 22 21.9 -1.9 | 258 18 17.4 3.6 40 70 18670 320 19 12.2 -14.6 | 320 12 7.7 -9.0 41 64 19202 290 21 19.7 -7.2 | 276 15 15.2 -1.6 42 61 19507 315 15 10.6 -10.6 | 310 8 6.1 -5.1 43 55 20117 275 12 12.0 -1.0 | 239 9 7.4 4.5 44 50 20660 20 6 -2.1 -5.6 | 89 7 -6.6 -0.1 45 46 21031 75 1 -1.0 -0.3 | 134 8 -5.5 5.3 46 38 21946 35 11 -6.3 -9.0 | 72 11 -10.9 -3.5 47 36 22250 75 14 -13.5 -3.6 | 96 18 -18.1 1.9 48 31 22860 105 15 -14.5 3.9 | 116 21 -19.0 9.4 49 27 23470 75 25 -24.1 -6.5 | 88 29 -28.7 -0.9 50 24 24079 95 19 -18.9 1.7 | 107 25 -23.5 7.2 Wind Parameters Mean winds (0-6000m): 290.7 at 9.6 knts Storm direction: 320.7 at 7.2 knts Shear (0-3000m) pos: 2.1 neg: 0.2 tot: 2.4 10-3/s Storm rel Dir Shear (0-3000m): 174.8 deg Storm rel helicity (0-3000m) pos: 25.6 neg: -22.6 tot: 3.0 m^2/s^2 ave: 1.0 10^-3 m/s^2 rel: 0.25 Storm rel vorticity (0-3000m) horiz: 7.0 stream: 1.7 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.72 Bulk Shear: 27.24 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 ------------------------------------------------------------------------------- 500 142 5 141 12| 0.0 6.1 6.1| 0.0 -10.4 -10.4 -20.9 -0.45| 7.5 -3.4 1000 130 5 137 12| 0.0 1.2 1.2| 5.5 -19.0 -13.6 -13.6 -0.26| 7.4 -2.0 1500 131 4 137 11| 0.9 0.8 1.7| 10.0 -19.3 -9.4 -6.2 -0.11| 6.1 -0.7 2000 132 4 138 11| 2.9 0.6 3.6| 18.1 -19.3 -1.2 -0.6 0.24| 7.1 1.7 2500 349 5 93 3| 2.6 0.5 3.0| 24.0 -19.9 4.1 1.6 0.33| 7.1 2.4 3000 333 6 85 2| 2.1 0.2 2.4| 25.6 -22.6 3.0 1.0 0.25| 7.0 1.7 4000 323 8 356 1| 1.6 0.7 2.3| 26.1 -29.8 -3.7 -0.9 0.09| 6.5 0.6 5000 303 9 252 3| 1.3 1.4 2.7| 26.3 -39.4 -13.1 -2.6 -0.00| 6.1 -0.0 6000 291 10 244 5| 1.9 1.2 3.1| 56.6 -46.4 10.2 1.7 0.10| 6.3 0.6 Wrote GIF file: /home/apache/climate/data/raob//SBVT/skewt/SBVT.skewt.20250417.12.gif