UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042512.upa.cvt Date: 1200Z 25 APR 25 Searching for SBVT... Searching the city database file for: SBVT ... Date:1200Z 25 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 25.8 20.8 74 5.0 22.3 20 9 298.0 300.8 295.0 342.9 15.47 1 1000 100 25.2 20.3 74 4.9 21.8 5 10 298.4 301.1 294.9 342.4 15.16 2 925 780 20.4 17.6 84 2.8 18.5 315 14 300.2 302.7 294.5 340.6 13.82 3 899 1027 19.8 15.8 78 4.0 17.1 297 20 302.0 304.3 294.1 339.4 12.66 4 882 1193 21.0 13.0 60 8.0 15.8 286 19 304.9 306.9 293.6 337.0 10.73 5 850 1513 19.8 12.8 64 7.0 15.2 265 17 306.9 308.9 294.3 340.0 10.99 6 700 3151 8.2 8.1 99 0.1 8.2 245 28 311.6 313.4 294.7 341.5 9.74 7 636 3940 4.4 2.5 87 1.9 3.3 262 33 315.9 317.3 294.0 338.7 7.23 8 576 4746 2.2 -19.8 18 22.0 -5.6 276 33 322.4 322.7 290.9 327.2 1.38 9 552 5089 0.8 -12.2 37 13.0 -4.7 284 34 324.7 325.2 292.7 333.9 2.72 10 550 5119 1.2 -16.8 25 18.0 -5.7 284 34 325.5 325.9 292.2 331.9 1.87 11 500 5880 -4.3 -25.3 18 21.0 -10.6 300 36 327.8 328.0 292.0 331.3 0.98 12 485 6119 -5.5 -34.5 8 29.0 -12.4 295 37 329.2 329.3 291.9 330.8 0.42 13 438 6909 -11.9 -27.9 25 16.0 -16.1 288 40 330.8 331.0 292.8 334.0 0.88 14 409 7431 -13.9 -41.9 7 28.0 -18.8 289 41 334.8 334.8 293.2 335.7 0.24 15 400 7600 -15.3 -43.3 7 28.0 -20.0 295 42 335.1 335.1 293.3 335.9 0.21 16 340 8803 -24.1 -52.1 6 28.0 -27.1 297 48 339.1 339.1 294.2 339.4 0.09 17 318 9285 -28.3 -48.3 13 20.0 -30.4 290 47 339.8 339.8 294.4 340.4 0.15 18 312 9421 -28.7 -37.7 42 9.0 -30.0 289 46 341.1 341.2 295.0 342.9 0.48 19 307 9537 -29.7 -42.7 27 13.0 -31.3 287 46 341.3 341.3 294.9 342.4 0.29 20 300 9700 -31.3 -38.3 50 7.0 -32.3 285 46 341.3 341.4 295.1 343.1 0.47 21 284 10087 -34.3 -36.8 78 2.5 -34.7 277 44 342.4 342.5 295.4 344.6 0.57 22 273 10363 -35.7 -38.9 72 3.2 -36.1 272 43 344.2 344.3 295.8 346.1 0.48 23 261 10675 -38.3 -40.6 79 2.3 -38.5 266 41 344.9 344.9 295.8 346.5 0.42 24 250 10970 -41.1 -43.7 76 2.6 -41.3 260 40 345.0 345.0 295.8 346.2 0.32 25 232 11471 -45.3 -47.2 81 1.9 -45.4 264 37 346.0 346.1 296.0 347.0 0.23 26 219 11852 -48.5 -55.5 44 7.0 -48.8 270 40 346.8 346.9 296.0 347.2 0.09 27 213 12034 -50.5 -55.5 55 5.0 -50.7 273 43 346.5 346.5 296.0 346.9 0.10 28 200 12440 -53.9 -61.9 37 8.0 -54.1 280 50 347.4 347.4 296.1 347.6 0.05 29 195 12602 -55.3 -63.3 36 8.0 -55.5 281 50 347.7 347.7 296.1 347.9 0.04 30 191 12734 -55.9 -68.9 18 13.0 -56.1 282 50 348.8 348.8 296.4 348.9 0.02 31 163 13725 -63.7 -72.7 28 9.0 -63.8 265 56 351.9 351.9 297.0 351.9 0.01 32 159 13877 -64.9 -69.7 51 4.8 -65.0 266 55 352.4 352.4 297.1 352.4 0.02 33 150 14230 -68.1 -75.1 36 7.0 -68.1 270 53 352.8 352.8 297.3 352.8 0.01 34 132 14990 -73.5 -80.5 33 7.0 -73.5 279 47 356.3 356.3 298.0 356.3 0.00 35 128 15170 -73.3 -83.3 20 10.0 -73.3 273 46 359.8 359.8 298.7 359.8 0.00 36 101 16534 -80.9 -85.0 50 4.1 -80.9 288 38 370.4 370.4 300.7 370.4 0.00 37 100 16590 -81.1 -85.1 51 4.0 -81.1 290 38 371.0 371.0 300.8 371.0 0.00 38 99 16646 -81.1 -85.2 50 4.1 -81.1 290 43 372.1 372.1 300.9 372.1 0.00 39 95 16880 -77.9 -85.9 26 8.0 -77.9 289 39 382.8 382.8 302.7 382.8 0.00 40 89 17250 -80.1 -89.1 21 9.0 -80.1 286 44 385.6 385.6 303.1 385.6 0.00 41 80 17852 -79.9 -88.9 21 9.0 -79.9 251 44 398.0 398.0 304.9 398.0 0.00 42 78 17996 -76.3 -87.3 16 11.0 -76.3 244 41 408.3 408.3 306.3 408.3 0.00 43 75 18222 -76.9 -87.9 16 11.0 -76.9 237 33 411.7 411.7 306.7 411.7 0.00 44 70 18620 -74.5 -88.5 10 14.0 -74.6 225 19 425.0 425.0 308.3 425.0 0.00 45 60 19530 -68.7 -88.7 4 20.0 -68.8 288 11 457.1 457.1 311.5 457.1 0.00 46 56 19943 -69.5 -89.5 4 20.0 -69.6 324 11 464.4 464.4 312.1 464.4 0.00 47 52 20390 -64.5 -88.5 2 24.0 -64.8 3 10 486.0 486.0 313.9 486.0 0.00 48 50 20630 -64.7 -87.7 3 23.0 -65.0 245 9 491.0 491.0 314.3 491.0 0.00 49 48 20880 -65.1 -88.1 3 23.0 -65.4 295 10 495.8 495.8 314.7 495.8 0.00 50 30 23820 -54.9 -83.9 2 29.0 -56.5 165 9 595.0 595.0 320.4 595.1 0.01 51 29 24036 -55.1 -84.1 2 29.0 -56.7 118 11 600.2 600.2 320.6 600.3 0.01 52 27 24495 -51.5 -82.5 1 31.0 -53.9 116 16 622.7 622.7 321.6 622.8 0.02 53 22 25828 -49.5 -81.5 1 32.0 -52.9 69 25 666.2 666.3 323.3 666.4 0.02 54 20 26450 -50.7 -81.7 1 31.0 -53.9 80 27 681.0 681.0 323.8 681.2 0.03 55 19 26784 -50.9 -81.9 1 31.0 -54.2 76 27 690.4 690.4 324.1 690.6 0.03 56 14 28798 -45.1 -79.1 1 34.0 -51.4 84 22 773.1 773.1 326.5 773.6 0.05 TRP 99 16646 -81.1 -85.2 50 4.1 -81.1 290 43 372.1 372.1 300.9 372.1 0.00 WND Sounding variables and indices 1000-500 mb thick: 5780.00 m Freezing level: 539.09 mb = 5284.85 m = 17338.54 ft Wetbulb zero: 613.76 mb = 4229.18 m = 13875.08 ft Precipitable water: 1.87 inches Sfc-500 mean rel hum: 65.65 % Est. max temperature: 34.01 C = 93.21 F Sfc-Lift cond lev (LCL): 940.10 mb = 638.74 m = 2095.58 ft T: 21.40 C 700-500 lapse rate: 4.58 C/km ThetaE index: 5.91 C Layer 1000.0- 850.0 mb Conv cond level (CCL): 796.68 mb = 2059.55 m = 6756.96 ft Mean mixing ratio: 14.43 g/kg Conv temperature: 36.32 C = 97.37 F Cap Strength: 4.19 C Lifted Index: 1.89 C Risk: Showers probable Lifted Index @300 mb: 1.90 C Lifted Index @700 mb: 0.04 C Showalter Index: 2.48 C Risk: Showers probable Total Totals Index: 41.20 C Risk: None Vertical Totals Index: 24.10 C Cross Totals Index: 17.10 C K Index: 36.80 Risk: > 80 % chance of thunderstorms Sweat Index: 223.60 Risk: None Energy Index: -1.60 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 5.97 J/kg Max Up Vert Vel: 3.45 m/s Conv Inhibition (B-): 35095.40 J/kg Cap Strength: 4.19 C Lift Cond Lev (LCL): 907.61 mb = 944.43 m = 3098.48 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 307 at 18 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 20 9 -3.1 -8.5 | 98 18 -17.5 2.6 1 1000 100 5 10 -0.9 -10.0 | 94 15 -15.3 1.1 2 977 305 335 12 5.1 -10.9 | 91 9 -9.4 0.2 3 943 610 335 12 5.1 -10.9 | 91 9 -9.4 0.2 4 925 780 315 14 9.9 -9.9 | 104 5 -4.6 1.2 5 911 914 305 21 17.2 -12.0 | 290 3 2.7 -1.0 6 850 1513 265 17 16.9 1.5 | 191 13 2.5 12.5 7 849 1524 260 16 15.8 2.8 | 185 14 1.3 13.8 8 790 2134 275 10 10.0 -0.9 | 156 11 -4.5 10.2 9 762 2438 275 14 13.9 -1.2 | 177 10 -0.5 9.8 10 709 3048 250 27 25.4 9.2 | 208 23 10.9 20.3 11 700 3151 245 28 25.4 11.8 | 205 25 10.9 22.9 12 658 3658 260 34 33.5 5.9 | 228 25 19.0 17.0 13 610 4267 265 31 30.9 2.7 | 230 21 16.4 13.8 14 506 5791 300 36 31.2 -18.0 | 293 18 16.7 -6.9 15 500 5880 300 36 31.2 -18.0 | 293 18 16.7 -6.9 16 486 6096 295 37 33.5 -15.6 | 284 20 19.1 -4.6 17 415 7315 285 41 39.6 -10.6 | 269 25 25.1 0.4 18 400 7600 295 42 38.1 -17.7 | 286 25 23.6 -6.7 19 367 8230 295 41 37.2 -17.3 | 285 24 22.7 -6.3 20 352 8534 300 48 41.6 -24.0 | 296 30 27.1 -12.9 21 300 9700 285 46 44.4 -11.9 | 272 30 30.0 -0.9 22 250 10970 260 40 39.4 6.9 | 234 31 24.9 18.0 23 250 10973 260 42 41.4 7.3 | 236 33 26.9 18.3 24 228 11582 265 36 35.9 3.1 | 236 26 21.4 14.2 25 200 12440 280 50 49.2 -8.7 | 266 35 34.8 2.4 26 180 13106 285 50 48.3 -12.9 | 273 34 33.8 -1.9 27 163 13716 265 56 55.8 4.9 | 249 44 41.3 15.9 28 150 14230 270 53 53.0 -0.0 | 254 40 38.5 11.1 29 133 14935 280 47 46.3 -8.2 | 265 32 31.8 2.9 30 120 15545 260 43 42.3 7.5 | 236 33 27.9 18.5 31 100 16590 290 38 35.7 -13.0 | 275 21 21.2 -1.9 32 99 16646 290 43 40.4 -14.7 | 278 26 25.9 -3.7 33 97 16764 290 38 35.7 -13.0 | 275 21 21.2 -1.9 34 87 17374 285 45 43.5 -11.6 | 271 29 29.0 -0.6 35 83 17678 260 47 46.3 8.2 | 239 37 31.8 19.2 36 78 17983 245 42 38.1 17.7 | 219 37 23.6 28.8 37 70 18620 225 19 13.4 13.4 | 178 25 -1.0 24.5 38 63 19202 225 10 7.1 7.1 | 158 20 -7.4 18.1 39 60 19507 285 11 10.6 -2.8 | 155 9 -3.8 8.2 40 52 20422 5 10 -0.9 -10.0 | 94 15 -15.3 1.1 41 50 20630 245 9 8.2 3.8 | 157 16 -6.3 14.9 42 49 20726 360 10 -0.0 -10.0 | 94 15 -14.5 1.1 43 47 21031 235 10 8.2 5.7 | 160 18 -6.3 16.8 44 43 21641 120 10 -8.7 5.0 | 125 28 -23.1 16.1 45 37 22555 130 17 -13.0 10.9 | 129 35 -27.5 22.0 46 35 22860 65 13 -11.8 -5.5 | 102 27 -26.2 5.6 47 32 23470 65 10 -9.1 -4.2 | 106 24 -23.5 6.8 48 30 23820 165 9 -2.3 8.7 | 140 26 -16.8 19.7 49 29 24079 110 11 -10.3 3.8 | 121 29 -24.8 14.8 50 28 24384 120 15 -13.0 7.5 | 124 33 -27.5 18.6 51 26 24689 110 18 -16.9 6.2 | 119 36 -31.4 17.2 52 25 24994 75 23 -22.2 -6.0 | 98 37 -36.7 5.1 53 24 25298 95 22 -21.9 1.9 | 110 39 -36.4 13.0 54 23 25603 65 24 -21.8 -10.1 | 91 36 -36.2 0.9 55 20 26450 80 27 -26.6 -4.7 | 99 42 -41.1 6.4 56 20 26518 80 29 -28.6 -5.0 | 98 43 -43.0 6.0 57 17 27127 60 21 -18.2 -10.5 | 91 33 -32.7 0.6 58 15 27432 85 21 -20.9 -1.8 | 105 37 -35.4 9.2 59 10 28956 80 25 -24.6 -4.3 | 100 40 -39.1 6.7 Wind Parameters Mean winds (0-6000m): 277.4 at 24.3 knts Storm direction: 307.4 at 18.2 knts Shear (0-3000m) pos: 0.4 neg: 6.0 tot: 6.4 10-3/s Storm rel Dir Shear (0-3000m): 109.8 deg Storm rel helicity (0-3000m) pos: 34.4 neg: -46.5 tot: -12.1 m^2/s^2 ave: -4.0 10^-3 m/s^2 rel: -0.24 Storm rel vorticity (0-3000m) horiz: 10.8 stream: -2.6 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.09 Bulk Shear: 68.78 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 ------------------------------------------------------------------------------- 500 346 11 91 12| 0.0 8.7 8.7| 0.1 -8.2 -8.2 -16.3 -0.23| 9.0 -2.0 1000 329 13 88 8| 0.0 10.8 10.8| 1.6 -10.1 -8.6 -8.6 -0.45| 13.2 -5.9 1500 310 15 114 3| 0.0 7.7 7.7| 1.6 -23.8 -22.3 -14.8 -0.50| 12.8 -6.3 2000 299 15 158 4| 1.5 5.7 7.3| 1.6 -43.3 -41.8 -20.9 -0.56| 11.3 -6.3 2500 294 14 164 6| 0.5 4.6 5.1| 14.9 -46.5 -31.6 -12.7 -0.41| 10.3 -4.3 3000 285 15 182 7| 0.4 6.0 6.4| 34.4 -46.5 -12.1 -4.0 -0.24| 10.8 -2.6 4000 272 19 205 12| 1.1 4.5 5.5|101.2 -50.0 51.1 12.8 -0.08| 10.1 -0.8 5000 272 22 216 13| 1.9 3.6 5.4|152.4 -50.0 102.3 20.5 0.04| 9.2 0.4 6000 277 24 230 12| 2.4 3.0 5.3|206.0 -58.4 147.6 24.6 0.13| 8.8 1.1 Wrote GIF file: /home/apache/climate/data/raob//SBVT/skewt/SBVT.skewt.20250425.12.gif