UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042812.upa.cvt Date: 1200Z 28 APR 25 Searching for SBVT... Searching the city database file for: SBVT ... Date:1200Z 28 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 1011 4 26.8 22.0 75 4.8 23.3 360 4 299.0 302.1 296.1 347.7 16.69 1 1000 99 25.4 21.2 78 4.2 22.4 335 3 298.5 301.5 295.6 345.2 16.05 2 925 781 21.2 18.5 85 2.7 19.3 320 13 301.0 303.7 295.3 344.0 14.64 3 895 1067 19.2 17.8 92 1.4 18.2 310 16 301.8 304.4 295.4 344.5 14.48 4 868 1332 20.4 15.8 75 4.6 17.2 304 20 305.7 308.1 295.5 345.0 13.12 5 850 1513 19.6 15.0 75 4.6 16.5 310 16 306.7 309.1 295.5 344.9 12.72 6 700 3158 9.2 5.9 80 3.3 7.2 285 25 312.7 314.3 294.0 338.6 8.35 7 639 3908 3.8 2.9 94 0.9 3.3 280 28 314.8 316.2 293.8 338.0 7.40 8 628 4049 4.4 1.3 80 3.1 2.7 274 28 317.0 318.3 293.9 338.3 6.71 9 576 4750 0.8 -2.8 77 3.6 -1.1 265 20 320.8 321.8 293.9 338.3 5.41 10 547 5165 0.2 -34.8 5 35.0 -8.5 279 16 324.8 324.9 290.6 326.2 0.36 11 525 5494 -2.1 -17.1 31 15.0 -7.7 270 12 325.9 326.3 292.4 332.5 1.91 12 519 5585 -2.7 -22.7 20 20.0 -9.2 268 13 326.2 326.5 291.8 330.4 1.19 13 500 5880 -5.3 -9.1 75 3.8 -7.0 265 17 326.6 327.3 294.2 339.5 3.84 14 496 5943 -5.7 -9.1 77 3.4 -7.2 269 17 326.8 327.6 294.3 339.8 3.87 15 493 5990 -5.7 -12.7 58 7.0 -8.6 273 18 327.4 328.0 293.7 337.3 2.92 16 483 6150 -6.9 -10.5 75 3.6 -8.5 278 19 327.9 328.6 294.3 339.9 3.56 17 458 6564 -7.7 -16.7 48 9.0 -11.1 273 24 331.9 332.3 294.3 339.8 2.26 18 456 6598 -7.7 -15.7 53 8.0 -10.8 274 24 332.3 332.8 294.6 340.9 2.47 19 406 7487 -14.7 -19.2 69 4.5 -16.2 293 27 334.5 334.9 294.7 341.8 2.06 20 400 7600 -14.9 -25.9 39 11.0 -17.9 295 27 335.6 335.9 294.3 339.9 1.16 21 396 7676 -15.1 -26.1 39 11.0 -18.1 296 27 336.3 336.6 294.4 340.5 1.15 22 394 7715 -15.5 -22.5 55 7.0 -17.6 297 27 336.3 336.6 294.8 342.0 1.59 23 357 8454 -20.3 -31.3 37 11.0 -22.7 314 26 339.5 339.6 294.9 342.4 0.78 24 355 8496 -20.3 -48.3 6 28.0 -24.0 315 25 340.0 340.0 294.4 340.6 0.13 25 351 8580 -20.7 -44.7 10 24.0 -24.2 319 25 340.6 340.6 294.7 341.4 0.20 26 342 8772 -22.5 -34.5 33 12.0 -24.8 327 24 340.7 340.8 295.0 343.0 0.60 27 300 9720 -30.7 -38.7 45 8.0 -31.8 290 21 342.1 342.2 295.3 343.9 0.45 28 287 10031 -33.5 -41.5 44 8.0 -34.4 281 24 342.5 342.5 295.3 343.9 0.35 29 278 10253 -35.3 -45.3 35 10.0 -36.2 274 26 343.0 343.1 295.3 344.0 0.24 30 276 10303 -35.7 -40.7 60 5.0 -36.2 272 26 343.1 343.2 295.4 344.7 0.40 31 260 10713 -38.9 -42.6 68 3.7 -39.3 264 29 344.3 344.4 295.7 345.7 0.34 32 250 10980 -40.5 -45.5 59 5.0 -40.9 260 30 345.9 345.9 296.0 346.9 0.26 33 225 11689 -46.1 -55.1 35 9.0 -46.5 260 35 347.9 347.9 296.3 348.3 0.10 34 202 12396 -52.7 -56.2 66 3.5 -52.8 260 40 348.3 348.3 296.4 348.7 0.09 35 201 12428 -53.1 -57.6 58 4.5 -53.2 260 40 348.2 348.2 296.3 348.5 0.08 36 200 12460 -53.1 -63.1 29 10.0 -53.4 260 40 348.7 348.7 296.4 348.9 0.04 37 191 12755 -55.1 -71.1 12 16.0 -55.4 256 44 350.1 350.1 296.7 350.2 0.01 38 160 13859 -64.7 -72.7 32 8.0 -64.8 264 38 352.1 352.1 297.1 352.1 0.01 39 150 14250 -67.3 -77.3 23 10.0 -67.4 255 41 354.2 354.2 297.5 354.2 0.01 40 148 14331 -67.7 -77.7 23 10.0 -67.8 254 41 354.8 354.8 297.7 354.9 0.01 41 131 15056 -72.5 -76.1 58 3.6 -72.5 268 35 358.8 358.8 298.5 358.9 0.01 42 121 15518 -76.7 -80.4 55 3.7 -76.7 289 29 359.4 359.4 298.6 359.4 0.01 43 101 16544 -81.5 -88.5 29 7.0 -81.5 247 35 369.2 369.2 300.4 369.2 0.00 44 100 16600 -81.9 -87.9 35 6.0 -81.9 240 36 369.5 369.5 300.5 369.5 0.00 45 98 16713 -82.3 -88.3 35 6.0 -82.3 235 36 370.9 370.9 300.7 370.9 0.00 46 82 17728 -75.3 -87.3 14 12.0 -75.3 250 17 404.6 404.6 305.8 404.6 0.00 47 71 18559 -77.7 -89.7 13 12.0 -77.7 272 17 416.5 416.5 307.3 416.5 0.00 48 70 18640 -76.7 -88.7 13 12.0 -76.7 265 19 420.3 420.3 307.7 420.3 0.00 49 59 19646 -67.5 -88.5 4 21.0 -67.7 312 14 462.0 462.0 312.0 462.0 0.00 50 50 20650 -64.5 -88.5 2 24.0 -64.8 165 10 491.5 491.5 314.3 491.5 0.00 51 49 20774 -63.9 -88.9 2 25.0 -64.3 169 11 495.8 495.8 314.7 495.8 0.00 52 45 21294 -65.3 -89.3 2 24.0 -65.6 134 12 504.6 504.6 315.2 504.6 0.00 53 30 23820 -55.5 -85.5 1 30.0 -57.0 75 18 593.3 593.3 320.3 593.4 0.01 54 29 24036 -55.9 -85.9 1 30.0 -57.4 75 18 598.0 598.0 320.5 598.1 0.01 55 26 24739 -50.1 -84.1 1 34.0 -52.9 78 19 633.5 633.5 322.0 633.6 0.01 56 20 26460 -47.9 -82.9 1 35.0 -52.0 85 20 689.6 689.6 324.1 689.7 0.02 57 18 27154 -48.7 -82.7 1 34.0 -52.9 74 19 708.1 708.1 324.7 708.3 0.02 TRP 98 16713 -82.3 -88.3 35 6.0 -82.3 235 36 370.9 370.9 300.7 370.9 0.00 WND Sounding variables and indices 1000-500 mb thick: 5781.00 m Freezing level: 545.09 mb = 5193.84 m = 17039.96 ft Wetbulb zero: 590.87 mb = 4543.21 m = 14905.35 ft Precipitable water: 2.11 inches Sfc-500 mean rel hum: 71.44 % Est. max temperature: 33.87 C = 92.97 F Sfc-Lift cond lev (LCL): 943.05 mb = 611.93 m = 2007.63 ft T: 22.24 C 700-500 lapse rate: 5.33 C/km ThetaE index: 6.96 C Layer 850.0- 628.0 mb Conv cond level (CCL): 812.50 mb = 1895.29 m = 6218.06 ft Mean mixing ratio: 15.34 g/kg Conv temperature: 35.91 C = 96.64 F Cap Strength: 3.18 C Lifted Index: -0.43 C Risk: Thunderstorms probable Lifted Index @300 mb: 0.57 C Lifted Index @700 mb: 0.10 C Showalter Index: -0.46 C Risk: Thunderstorms probable Total Totals Index: 45.20 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 24.90 C Cross Totals Index: 20.30 C K Index: 36.60 Risk: > 80 % chance of thunderstorms Sweat Index: 229.00 Risk: None Energy Index: -1.11 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 49.53 J/kg Max Up Vert Vel: 9.95 m/s Conv Inhibition (B-): 136.01 J/kg Cap Strength: 3.20 C Lift Cond Lev (LCL): 913.74 mb = 887.11 m = 2910.44 ft Lev Free Conv (LFC): 688.74 mb = 3291.33 m = 10798.21 ft Equ Level (EL): 558.74 mb = 4994.50 m = 16385.96 ft B at Equ Level: 42.66 J/kg Max Parcel Lev (MPL): 408.74 mb = 7435.92 m = 24395.76 ft Wind level data Storm motion: 317 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 1011 4 360 4 -0.0 -4.0 | 122 11 -9.2 5.8 1 1000 99 335 3 1.3 -2.7 | 132 11 -7.9 7.1 2 977 305 335 8 3.4 -7.3 | 114 6 -5.8 2.5 3 943 610 320 13 8.4 -10.0 | 78 1 -0.8 -0.2 4 925 781 320 13 8.4 -10.0 | 78 1 -0.8 -0.2 5 911 914 320 11 7.1 -8.4 | 123 2 -2.1 1.4 6 879 1219 300 22 19.1 -11.0 | 277 10 9.9 -1.2 7 850 1513 310 16 12.3 -10.3 | 279 3 3.1 -0.5 8 790 2134 305 11 9.0 -6.3 | 178 3 -0.1 3.5 9 762 2438 310 15 11.5 -9.6 | 266 2 2.3 0.1 10 709 3048 280 21 20.7 -3.6 | 242 13 11.5 6.1 11 700 3158 285 25 24.1 -6.5 | 258 15 15.0 3.3 12 658 3658 290 27 25.4 -9.2 | 268 16 16.2 0.6 13 610 4267 265 29 28.9 2.5 | 238 23 19.7 12.3 14 588 4572 260 22 21.7 3.8 | 223 18 12.5 13.6 15 545 5182 280 16 15.8 -2.8 | 223 10 6.6 7.0 16 525 5486 270 12 12.0 -0.0 | 196 10 2.8 9.8 17 506 5791 265 16 15.9 1.4 | 211 13 6.8 11.2 18 500 5880 265 17 16.9 1.5 | 215 14 7.8 11.3 19 486 6096 280 18 17.7 -3.1 | 232 11 8.6 6.7 20 467 6401 270 24 24.0 -0.0 | 237 18 14.8 9.8 21 400 7600 295 27 24.5 -11.4 | 276 15 15.3 -1.6 22 383 7925 300 28 24.2 -14.0 | 286 16 15.1 -4.2 23 367 8230 305 27 22.1 -15.5 | 294 14 13.0 -5.7 24 338 8839 330 23 11.5 -19.9 | 347 10 2.3 -10.1 25 300 9720 290 21 19.7 -7.2 | 256 11 10.6 2.6 26 299 9754 290 21 19.7 -7.2 | 256 11 10.6 2.6 27 273 10363 270 27 27.0 -0.0 | 241 20 17.8 9.8 28 250 10980 260 30 29.5 5.2 | 234 25 20.4 15.0 29 200 12460 260 40 39.4 6.9 | 241 35 30.2 16.7 30 189 12802 255 45 43.5 11.6 | 238 40 34.3 21.4 31 156 14021 265 37 36.9 3.2 | 245 31 27.7 13.0 32 150 14250 255 41 39.6 10.6 | 236 37 30.4 20.4 33 140 14630 250 40 37.6 13.7 | 230 37 28.4 23.5 34 114 15850 305 25 20.5 -14.3 | 292 12 11.3 -4.6 35 108 16154 295 30 27.2 -12.7 | 279 18 18.0 -2.9 36 100 16600 240 36 31.2 18.0 | 218 35 22.0 27.8 37 98 16713 235 36 29.5 20.6 | 214 37 20.3 30.4 38 97 16764 240 36 31.2 18.0 | 218 35 22.0 27.8 39 87 17374 215 19 10.9 15.6 | 184 25 1.7 25.4 40 83 17678 255 18 17.4 4.7 | 210 17 8.2 14.4 41 79 17983 225 15 10.6 10.6 | 184 20 1.4 20.4 42 71 18593 275 17 16.9 -1.5 | 223 11 7.8 8.3 43 70 18640 265 19 18.9 1.7 | 220 15 9.8 11.4 44 67 18898 270 22 22.0 -0.0 | 233 16 12.8 9.8 45 64 19202 295 8 7.3 -3.4 | 163 7 -1.9 6.4 46 61 19507 330 15 7.5 -13.0 | 27 4 -1.7 -3.2 47 58 19812 295 13 11.8 -5.5 | 211 5 2.6 4.3 48 55 20117 310 11 8.4 -7.1 | 165 3 -0.7 2.7 49 50 20650 165 10 -2.6 9.7 | 149 23 -11.7 19.4 50 49 20726 170 11 -1.9 10.8 | 152 23 -11.1 20.6 51 47 21031 165 10 -2.6 9.7 | 149 23 -11.7 19.4 52 45 21336 130 12 -9.2 7.7 | 134 25 -18.4 17.5 53 43 21641 60 12 -10.4 -6.0 | 101 20 -19.6 3.8 54 33 23165 135 1 -0.7 0.7 | 137 14 -9.9 10.5 55 32 23470 95 11 -11.0 1.0 | 118 23 -20.1 10.7 56 30 23774 55 13 -10.6 -7.5 | 97 20 -19.8 2.3 57 30 23820 75 18 -17.4 -4.7 | 101 27 -26.5 5.1 58 29 24079 75 18 -17.4 -4.7 | 101 27 -26.5 5.1 59 28 24384 60 15 -13.0 -7.5 | 96 22 -22.1 2.3 60 26 24689 80 17 -16.7 -3.0 | 105 27 -25.9 6.8 61 25 24994 70 26 -24.4 -8.9 | 92 34 -33.6 0.9 62 24 25298 85 24 -23.9 -2.1 | 103 34 -33.1 7.7 63 23 25603 75 17 -16.4 -4.4 | 102 26 -25.6 5.4 64 21 26213 100 14 -13.8 2.4 | 118 26 -22.9 12.2 65 20 26460 85 20 -19.9 -1.7 | 105 30 -29.1 8.0 66 20 26518 105 18 -17.4 4.7 | 119 30 -26.5 14.4 67 18 26822 70 18 -16.9 -6.2 | 98 26 -26.1 3.6 68 17 27127 105 24 -23.2 6.2 | 116 36 -32.3 16.0 69 15 27432 90 37 -37.0 0.0 | 102 47 -46.2 9.8 Wind Parameters Mean winds (0-6000m): 286.9 at 17.9 knts Storm direction: 316.9 at 13.4 knts Shear (0-3000m) pos: 0.6 neg: 3.0 tot: 3.6 10-3/s Storm rel Dir Shear (0-3000m): 121.2 deg Storm rel helicity (0-3000m) pos: 8.4 neg: -16.3 tot: -7.9 m^2/s^2 ave: -2.6 10^-3 m/s^2 rel: -0.00 Storm rel vorticity (0-3000m) horiz: 9.0 stream: -0.0 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 1.89 Bulk Shear: 26.20 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 ------------------------------------------------------------------------------- 500 333 7 122 7| 0.0 8.5 8.5| 4.9 -6.5 -1.7 -3.3 -0.17| 10.6 -1.8 1000 324 10 119 4| 0.0 6.1 6.1| 5.5 -6.8 -1.3 -1.3 0.17| 9.8 1.6 1500 314 13 175 1| 0.0 4.8 4.8| 6.3 -7.8 -1.5 -1.0 0.10| 11.4 1.1 2000 313 13 203 1| 0.0 2.6 2.6| 6.3 -10.3 -4.0 -2.0 -0.01| 9.7 -0.1 2500 312 13 206 1| 0.7 2.1 2.8| 8.4 -10.7 -2.3 -0.9 0.05| 8.9 0.5 3000 307 14 233 2| 0.6 3.0 3.6| 8.4 -16.3 -7.9 -2.6 -0.00| 9.0 -0.0 4000 298 17 254 6| 1.3 2.8 4.1| 31.8 -42.5 -10.7 -2.7 0.00| 8.6 0.0 5000 290 18 247 9| 1.2 2.1 3.3| 34.5 -97.4 -62.9 -12.6 -0.10| 8.8 -0.9 6000 287 18 240 9| 1.2 1.6 2.8| 52.8-110.1 -57.3 -9.5 -0.08| 8.5 -0.7 Wrote GIF file: /home/apache/climate/data/raob//SBVT/skewt/SBVT.skewt.20250428.12.gif