UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042012.upa.cvt Date: 1200Z 20 APR 25 Searching for SBVT... Searching the city database file for: SBVT ... Date:1200Z 20 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 1010 4 26.8 23.1 80 3.7 24.1 60 3 299.1 302.4 296.9 351.3 17.89 1 1000 95 25.2 22.5 85 2.7 23.3 190 2 298.4 301.5 296.4 349.0 17.41 2 979 282 23.6 22.2 92 1.4 22.6 106 4 298.6 301.7 296.5 349.4 17.46 3 957 481 24.0 19.5 76 4.5 20.8 60 3 300.9 303.7 295.6 345.2 15.07 4 925 779 22.0 18.1 79 3.9 19.3 345 2 301.8 304.4 295.3 343.9 14.27 5 909 931 21.4 17.2 77 4.2 18.5 299 8 302.7 305.2 295.1 343.3 13.71 6 899 1027 22.2 14.2 60 8.0 16.9 295 9 304.5 306.6 294.0 338.5 11.40 7 850 1512 19.4 12.4 64 7.0 14.8 275 15 306.5 308.5 294.0 338.7 10.70 8 725 2859 9.6 6.7 82 2.9 7.9 288 16 310.0 311.6 293.3 336.1 8.52 9 700 3151 8.8 4.2 73 4.6 6.1 285 17 312.2 313.6 293.1 335.2 7.41 10 684 3342 7.6 5.1 84 2.5 6.1 262 19 313.0 314.5 293.9 338.1 8.08 11 610 4276 2.8 -5.2 56 8.0 -1.1 260 29 317.9 318.7 292.2 331.6 4.26 12 604 4356 3.2 -7.8 44 11.0 -1.9 256 28 319.2 319.9 291.9 330.7 3.52 13 562 4935 -2.1 -10.1 54 8.0 -5.5 242 30 319.6 320.2 291.7 330.0 3.16 14 556 5020 -2.1 -14.1 39 12.0 -6.8 241 31 320.6 321.0 291.2 328.3 2.31 15 541 5237 -3.3 -5.9 82 2.6 -4.6 241 33 321.7 322.6 293.4 336.6 4.55 16 535 5325 -3.5 -11.5 54 8.0 -6.8 242 33 322.5 323.1 292.3 332.4 2.97 17 532 5370 -3.7 -7.9 73 4.2 -5.6 243 32 322.8 323.5 293.3 335.8 3.97 18 516 5611 -3.1 -14.1 42 11.0 -7.5 247 32 326.3 326.8 293.0 334.8 2.49 19 500 5860 -4.5 -13.5 49 9.0 -8.2 250 31 327.6 328.1 293.5 336.8 2.70 20 485 6100 -6.5 -14.5 53 8.0 -9.6 245 29 328.0 328.5 293.5 336.7 2.56 21 451 6665 -10.9 -21.9 40 11.0 -14.3 218 31 329.3 329.6 292.9 334.5 1.47 22 446 6751 -10.9 -39.9 7 29.0 -16.4 217 32 330.4 330.4 292.1 331.4 0.27 23 411 7375 -16.5 -29.5 32 13.0 -19.5 219 36 331.0 331.1 292.7 333.9 0.81 24 406 7467 -16.3 -26.3 42 10.0 -18.9 226 41 332.4 332.6 293.4 336.4 1.10 25 400 7580 -15.5 -41.5 9 26.0 -20.0 235 48 334.8 334.9 293.3 335.8 0.25 26 393 7713 -14.7 -52.7 2 38.0 -19.8 235 49 337.6 337.6 293.8 337.9 0.07 27 349 8598 -20.7 -51.7 4 31.0 -24.5 223 38 341.1 341.2 294.7 341.5 0.09 28 301 9666 -30.7 -52.7 10 22.0 -32.6 205 46 341.8 341.8 294.8 342.2 0.10 29 300 9690 -30.9 -52.9 10 22.0 -32.8 205 46 341.8 341.8 294.8 342.2 0.09 30 250 10960 -41.9 -57.9 16 16.0 -42.7 215 52 343.8 343.8 295.3 344.0 0.06 31 200 12420 -55.3 -61.3 47 6.0 -55.4 215 64 345.2 345.2 295.6 345.4 0.05 32 199 12452 -55.5 -60.5 54 5.0 -55.6 215 64 345.4 345.4 295.7 345.6 0.06 33 189 12778 -58.5 -66.5 35 8.0 -58.6 215 65 345.7 345.7 295.7 345.8 0.03 34 178 13154 -60.5 -74.5 14 14.0 -60.6 216 63 348.4 348.4 296.3 348.4 0.01 35 159 13847 -66.3 -76.3 23 10.0 -66.4 219 59 350.0 350.0 296.6 350.0 0.01 36 151 14160 -66.5 -78.5 17 12.0 -66.6 220 57 354.9 354.9 297.7 354.9 0.01 37 150 14200 -66.3 -78.3 17 12.0 -66.4 220 57 355.9 355.9 297.9 355.9 0.01 38 148 14282 -65.7 -81.0 10 15.3 -65.8 220 66 358.3 358.3 298.4 358.3 0.00 39 144 14450 -64.5 -86.5 3 22.0 -64.6 220 55 363.2 363.2 299.3 363.2 0.00 40 100 16620 -77.3 -88.3 16 11.0 -77.3 285 27 378.4 378.4 302.0 378.4 0.00 41 91 17155 -79.7 -89.7 18 10.0 -79.7 250 30 384.0 384.0 302.9 384.0 0.00 42 81 17818 -75.7 -88.7 11 13.0 -75.7 237 23 405.2 405.2 305.9 405.2 0.00 43 72 18489 -79.3 -90.3 15 11.0 -79.3 343 13 411.4 411.4 306.7 411.4 0.00 44 70 18650 -75.9 -89.9 9 14.0 -75.9 275 15 422.0 422.0 307.9 422.0 0.00 45 65 19086 -70.1 -90.1 4 20.0 -70.2 304 13 443.7 443.7 310.3 443.7 0.00 46 63 19272 -71.1 -90.1 4 19.0 -71.2 312 12 445.5 445.5 310.4 445.5 0.00 47 50 20660 -66.5 -90.5 2 24.0 -66.8 85 12 486.8 486.8 314.0 486.8 0.00 48 30 23820 -56.7 -86.7 1 30.0 -58.0 105 23 590.1 590.1 320.2 590.1 0.01 49 24 25248 -52.7 -84.7 1 32.0 -55.1 85 29 640.6 640.6 322.3 640.7 0.01 TRP 91 17155 -79.7 -89.7 18 10.0 -79.7 250 30 384.0 384.0 302.9 384.0 0.00 WND 148 14282 -65.7 -81.0 10 15.3 -65.8 220 66 358.3 358.3 298.4 358.3 0.00 Sounding variables and indices 1000-500 mb thick: 5765.00 m Freezing level: 578.64 mb = 4705.71 m = 15438.50 ft Wetbulb zero: 621.23 mb = 4127.54 m = 13541.65 ft Precipitable water: 1.88 inches Sfc-500 mean rel hum: 67.56 % Est. max temperature: 33.78 C = 92.80 F Sfc-Lift cond lev (LCL): 957.41 mb = 477.49 m = 1566.55 ft T: 23.99 C 700-500 lapse rate: 4.91 C/km ThetaE index: 10.91 C Layer 957.0- 850.0 mb Conv cond level (CCL): 830.10 mb = 1712.64 m = 5618.84 ft Mean mixing ratio: 15.76 g/kg Conv temperature: 34.74 C = 94.53 F Cap Strength: 3.25 C Lifted Index: -0.30 C Risk: Thunderstorms probable Lifted Index @300 mb: -0.63 C Lifted Index @700 mb: -0.83 C Showalter Index: 2.80 C Risk: Showers probable Total Totals Index: 40.80 C Risk: None Vertical Totals Index: 23.90 C Cross Totals Index: 16.90 C K Index: 31.70 Risk: 60-80 % chance of thunderstorms Sweat Index: 209.80 Risk: None Energy Index: -0.39 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 383.15 J/kg Max Up Vert Vel: 27.68 m/s Conv Inhibition (B-): 111.06 J/kg Cap Strength: 3.20 C Lift Cond Lev (LCL): 913.86 mb = 884.27 m = 2901.12 ft Lev Free Conv (LFC): 758.86 mb = 2472.73 m = 8112.52 ft Equ Level (EL): 388.86 mb = 7791.84 m = 25563.47 ft B at Equ Level: 288.34 J/kg Max Parcel Lev (MPL): 138.86 mb = 14666.15 m = 48116.72 ft Wind level data Storm motion: 289 at 14 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 1010 4 60 3 -2.6 -1.5 | 101 16 -16.1 3.1 1 1000 95 190 2 0.3 2.0 | 116 15 -13.2 6.6 2 976 305 95 4 -4.0 0.3 | 106 18 -17.5 4.9 3 943 610 35 3 -1.7 -2.5 | 98 15 -15.2 2.1 4 925 779 345 2 0.5 -1.9 | 102 13 -13.0 2.7 5 911 914 300 8 6.9 -4.0 | 95 7 -6.6 0.6 6 850 1512 275 15 14.9 -1.3 | 203 4 1.4 3.3 7 849 1524 260 15 14.8 2.6 | 190 7 1.2 7.2 8 819 1829 285 12 11.6 -3.1 | 128 2 -1.9 1.5 9 790 2134 280 16 15.8 -2.8 | 231 3 2.2 1.8 10 762 2438 285 14 13.5 -3.6 | 180 1 0.0 1.0 11 709 3048 290 17 16.0 -5.8 | 296 3 2.5 -1.2 12 700 3151 285 17 16.4 -4.4 | 266 3 2.9 0.2 13 683 3353 260 19 18.7 3.3 | 213 9 5.2 7.9 14 633 3962 250 26 24.4 8.9 | 219 17 10.9 13.5 15 609 4267 260 29 28.6 5.0 | 237 18 15.0 9.6 16 587 4572 245 26 23.6 11.0 | 213 19 10.0 15.6 17 544 5182 240 33 28.6 16.5 | 216 26 15.1 21.1 18 504 5791 250 31 29.1 10.6 | 226 22 15.6 15.2 19 500 5860 250 31 29.1 10.6 | 226 22 15.6 15.2 20 485 6096 245 29 26.3 12.3 | 217 21 12.8 16.9 21 466 6401 220 28 18.0 21.4 | 190 26 4.5 26.0 22 431 7010 215 36 20.6 29.5 | 192 35 7.1 34.1 23 414 7315 215 33 18.9 27.0 | 190 32 5.4 31.6 24 400 7580 235 48 39.3 27.5 | 219 41 25.8 32.1 25 382 7925 235 50 41.0 28.7 | 220 43 27.4 33.3 26 366 8230 235 44 36.0 25.2 | 217 37 22.5 29.8 27 337 8839 215 33 18.9 27.0 | 190 32 5.4 31.6 28 323 9144 210 35 17.5 30.3 | 187 35 4.0 34.9 29 300 9690 205 46 19.4 41.7 | 187 47 5.9 46.3 30 272 10363 210 55 27.5 47.6 | 195 54 14.0 52.2 31 250 10960 215 52 29.8 42.6 | 199 50 16.3 47.2 32 200 12420 215 64 36.7 52.4 | 202 62 23.2 57.0 33 188 12802 215 65 37.3 53.2 | 202 63 23.8 57.8 34 150 14200 220 57 36.6 43.7 | 206 54 23.1 48.3 35 148 14282 220 66 42.4 50.6 | 208 62 28.9 55.2 36 147 14326 220 48 30.9 36.8 | 203 45 17.3 41.4 37 140 14630 220 66 42.4 50.6 | 208 62 28.9 55.2 38 120 15545 220 56 36.0 42.9 | 205 53 22.5 47.5 39 108 16154 245 20 18.1 8.5 | 199 14 4.6 13.0 40 103 16459 290 20 18.8 -6.8 | 293 6 5.3 -2.2 41 100 16620 285 27 26.1 -7.0 | 281 13 12.6 -2.4 42 97 16764 290 26 24.4 -8.9 | 292 12 10.9 -4.3 43 91 17155 250 30 28.2 10.3 | 225 21 14.7 14.9 44 83 17678 235 33 27.0 18.9 | 210 27 13.5 23.5 45 79 17983 240 12 10.4 6.0 | 164 11 -3.1 10.6 46 75 18288 330 10 5.0 -8.7 | 64 9 -8.5 -4.1 47 71 18593 350 15 2.6 -14.8 | 47 15 -10.9 -10.2 48 70 18650 275 15 14.9 -1.3 | 203 4 1.4 3.3 49 67 18898 275 16 15.9 -1.4 | 217 4 2.4 3.2 50 64 19202 320 11 7.1 -8.4 | 59 8 -6.5 -3.8 51 61 19507 290 14 13.2 -4.8 | 62 0 -0.4 -0.2 52 58 19812 195 11 2.8 10.6 | 145 19 -10.7 15.2 53 52 20422 155 10 -4.2 9.1 | 128 22 -17.7 13.7 54 50 20660 85 12 -12.0 -1.0 | 98 26 -25.5 3.5 55 47 21031 85 17 -16.9 -1.5 | 96 31 -30.5 3.1 56 43 21641 40 4 -2.6 -3.1 | 95 16 -16.1 1.5 57 41 21946 65 12 -10.9 -5.1 | 89 24 -24.4 -0.5 58 39 22250 95 18 -17.9 1.6 | 101 32 -31.5 6.2 59 37 22555 80 16 -15.8 -2.8 | 94 29 -29.3 1.8 60 35 22860 80 15 -14.8 -2.6 | 94 28 -28.3 2.0 61 33 23165 65 17 -15.4 -7.2 | 85 29 -28.9 -2.6 62 30 23820 105 23 -22.2 6.0 | 106 37 -35.7 10.5 63 28 24079 115 21 -19.0 8.9 | 112 35 -32.6 13.5 64 23 24994 75 32 -30.9 -8.3 | 85 45 -44.4 -3.7 65 20 25603 75 33 -31.9 -8.5 | 85 46 -45.4 -3.9 Wind Parameters Mean winds (0-6000m): 258.8 at 19.0 knts Storm direction: 288.8 at 14.3 knts Shear (0-3000m) pos: 0.7 neg: 3.0 tot: 3.7 10-3/s Storm rel Dir Shear (0-3000m): -166.3 deg Storm rel helicity (0-3000m) pos: 24.4 neg: -32.1 tot: -7.7 m^2/s^2 ave: -2.6 10^-3 m/s^2 rel: 0.07 Storm rel vorticity (0-3000m) horiz: 7.9 stream: 0.5 10^-3/s Energy-Hel index: 0.06 Bulk Rich Number: 5.93 Bulk Shear: 64.66 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 96 3 106 17| 0.0 0.4 0.4| 17.6 -23.7 -6.1 -12.2 -0.07| 12.5 -0.9 1000 13 4 94 14| 0.0 5.7 5.7| 19.0 -28.0 -9.0 -9.0 -0.07| 12.1 -0.9 1500 294 7 105 8| 0.0 6.0 6.0| 22.4 -28.0 -5.5 -3.7 0.10| 10.6 1.1 2000 284 8 115 6| 0.5 4.5 5.0| 23.2 -31.7 -8.5 -4.3 0.02| 10.2 0.2 2500 283 10 120 5| 0.5 3.6 4.1| 23.8 -32.1 -8.3 -3.3 0.03| 8.9 0.3 3000 285 11 121 4| 0.7 3.0 3.7| 24.4 -32.1 -7.7 -2.6 0.07| 7.9 0.5 4000 274 13 177 4| 0.6 3.9 4.4| 30.5 -39.7 -9.2 -2.3 -0.02| 8.2 -0.2 5000 265 16 205 7| 0.4 3.6 4.1| 52.9 -71.9 -19.0 -3.8 -0.04| 8.2 -0.4 6000 259 19 212 10| 0.6 3.0 3.7| 80.6 -83.2 -2.6 -0.4 -0.01| 7.6 -0.1 Wrote GIF file: /home/apache/climate/data/raob//SBVT/skewt/SBVT.skewt.20250420.12.gif