UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041912.upa.cvt Date: 1200Z 19 APR 25 Searching for SBVT... Searching the city database file for: SBVT ... Date:1200Z 19 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 25.4 23.5 89 1.9 24.0 340 3 297.4 300.7 296.7 350.3 18.27 1 1000 129 24.2 22.7 91 1.5 23.1 335 4 297.4 300.5 296.3 348.4 17.63 2 959 496 22.0 21.1 95 0.9 21.3 29 8 298.7 301.7 296.0 347.2 16.65 3 925 810 20.4 18.8 91 1.6 19.3 50 10 300.2 302.9 295.3 343.9 14.93 4 858 1460 17.0 15.3 90 1.7 15.8 80 8 303.1 305.5 294.6 341.3 12.85 5 850 1540 17.0 14.4 85 2.6 15.3 80 6 304.0 306.2 294.4 340.3 12.23 6 753 2565 11.6 10.3 92 1.3 10.8 1 2 308.8 310.8 294.5 340.8 10.51 7 718 2963 10.6 1.6 54 9.0 5.6 331 5 311.9 313.1 291.9 330.6 5.99 8 700 3175 9.6 3.6 66 6.0 6.1 315 7 313.1 314.5 293.1 335.3 7.10 9 694 3246 9.4 0.4 53 9.0 4.5 309 9 313.7 314.8 292.2 331.5 5.68 10 552 5101 -3.3 -3.3 100 0.0 -3.3 273 23 319.8 320.9 293.7 337.4 5.44 11 528 5452 -4.3 -7.3 80 3.0 -5.7 274 25 322.7 323.6 293.4 336.5 4.19 12 500 5880 -6.9 -8.9 86 2.0 -7.8 275 27 324.6 325.4 293.7 337.6 3.90 13 498 5911 -7.1 -8.6 89 1.5 -7.8 275 27 324.8 325.5 293.9 338.1 4.01 14 495 5959 -7.3 -10.5 78 3.2 -8.7 275 26 325.1 325.8 293.5 336.7 3.47 15 489 6054 -7.1 -10.8 75 3.7 -8.7 275 25 326.5 327.1 293.8 338.0 3.43 16 483 6151 -6.5 -23.5 25 17.0 -11.8 275 25 328.3 328.6 292.4 332.6 1.19 17 481 6184 -6.5 -21.5 29 15.0 -11.4 275 24 328.7 329.0 292.7 333.8 1.43 18 400 7600 -18.3 -26.3 49 8.0 -20.3 255 22 331.2 331.4 293.1 335.2 1.12 19 366 8255 -24.3 -28.3 69 4.0 -25.2 245 27 331.7 331.9 293.2 335.4 1.01 20 338 8831 -26.9 -29.2 81 2.3 -27.4 264 41 335.8 336.0 294.2 339.5 1.01 21 327 9069 -28.5 -32.0 72 3.5 -29.1 276 41 336.8 337.0 294.3 339.8 0.80 22 300 9680 -33.1 -36.0 75 2.9 -33.5 300 44 338.7 338.8 294.6 341.0 0.59 23 272 10364 -37.7 -41.9 65 4.2 -38.1 297 52 341.7 341.7 295.1 343.1 0.35 24 250 10940 -42.7 -46.5 66 3.8 -43.0 285 57 342.6 342.6 295.1 343.5 0.23 25 233 11409 -46.7 -52.7 50 6.0 -47.0 276 63 343.5 343.5 295.3 344.0 0.12 26 225 11638 -48.5 -52.4 64 3.9 -48.7 272 66 344.2 344.2 295.4 344.7 0.13 27 221 11755 -49.1 -57.0 39 7.9 -49.4 270 68 345.1 345.1 295.6 345.4 0.08 28 218 11845 -49.5 -60.5 26 11.0 -49.8 270 68 345.8 345.8 295.7 346.0 0.05 29 200 12400 -54.5 -69.5 14 15.0 -54.8 260 63 346.5 346.5 295.8 346.5 0.02 30 193 12627 -56.3 -70.3 16 14.0 -56.5 259 64 347.1 347.1 296.0 347.2 0.02 31 150 14200 -63.7 -80.7 8 17.0 -63.8 255 42 360.3 360.3 298.8 360.4 0.00 32 136 14795 -66.1 -83.1 8 17.0 -66.2 263 34 366.3 366.3 299.9 366.4 0.00 33 101 16543 -77.3 -87.3 19 10.0 -77.3 247 47 377.3 377.3 301.8 377.3 0.00 34 100 16600 -77.5 -87.5 19 10.0 -77.5 245 47 378.0 378.0 301.9 378.0 0.00 35 87 17391 -80.9 -88.9 25 8.0 -80.9 275 25 386.5 386.5 303.3 386.5 0.00 36 80 17868 -77.1 -88.1 16 11.0 -77.1 279 29 403.7 403.7 305.7 403.7 0.00 37 76 18162 -78.1 -90.1 13 12.0 -78.1 262 32 407.6 407.6 306.2 407.6 0.00 38 70 18640 -71.7 -89.7 5 18.0 -71.8 235 31 431.0 431.0 308.9 431.0 0.00 39 67 18902 -69.5 -89.5 4 20.0 -69.6 220 31 441.2 441.2 310.0 441.2 0.00 40 52 20424 -69.1 -90.1 3 21.0 -69.3 80 12 475.3 475.3 313.1 475.3 0.00 41 50 20660 -67.9 -89.9 3 22.0 -68.1 45 15 483.5 483.5 313.7 483.5 0.00 42 41 21867 -64.1 -89.1 2 25.0 -64.5 21 9 521.2 521.2 316.4 521.2 0.00 43 39 22178 -59.3 -88.3 1 29.0 -60.1 44 13 540.8 540.8 317.6 540.9 0.00 44 34 23041 -57.9 -86.9 1 29.0 -58.9 93 11 566.2 566.2 319.0 566.2 0.01 45 31 23624 -58.9 -87.9 1 29.0 -59.9 123 16 578.6 578.6 319.6 578.7 0.01 46 30 23830 -58.1 -88.1 1 30.0 -59.2 90 34 586.2 586.3 320.0 586.3 0.01 47 24 25258 -51.1 -84.1 1 33.0 -53.9 85 34 645.2 645.2 322.5 645.3 0.01 TRP 87 17391 -80.9 -88.9 25 8.0 -80.9 275 25 386.5 386.5 303.3 386.5 0.00 WND 221 11755 -49.1 -57.0 39 7.9 -49.4 270 68 345.1 345.1 295.6 345.4 0.08 Sounding variables and indices 1000-500 mb thick: 5751.00 m Freezing level: 588.90 mb = 4619.28 m = 15154.93 ft Wetbulb zero: 612.05 mb = 4264.59 m = 13991.28 ft Precipitable water: 2.12 inches Sfc-500 mean rel hum: 82.47 % Est. max temperature: 30.92 C = 87.66 F Sfc-Lift cond lev (LCL): 986.77 mb = 245.68 m = 806.04 ft T: 23.50 C 700-500 lapse rate: 6.10 C/km ThetaE index: 10.13 C Layer 718.0- 700.0 mb Conv cond level (CCL): 925.00 mb = 810.00 m = 2657.45 ft Mean mixing ratio: 16.50 g/kg Conv temperature: 28.21 C = 82.79 F Cap Strength: 0.58 C Lifted Index: -2.79 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -2.94 C Lifted Index @700 mb: -0.09 C Showalter Index: -0.24 C Risk: Thunderstorms probable Total Totals Index: 45.20 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 23.90 C Cross Totals Index: 21.30 C K Index: 32.30 Risk: 60-80 % chance of thunderstorms Sweat Index: 211.80 Risk: None Energy Index: -0.60 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 865.63 J/kg Max Up Vert Vel: 41.61 m/s Conv Inhibition (B-): 6.63 J/kg Cap Strength: 0.58 C Lift Cond Lev (LCL): 945.24 mb = 621.57 m = 2039.26 ft Lev Free Conv (LFC): 880.24 mb = 1238.45 m = 4063.12 ft Equ Level (EL): 200.24 mb = 12392.14 m = 40656.13 ft B at Equ Level: 863.14 J/kg Max Parcel Lev (MPL): 120.24 mb = 15518.31 m = 50912.49 ft Wind level data Storm motion: 317 at 10 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 4 340 3 1.0 -2.8 | 128 7 -5.5 4.2 1 1000 129 335 4 1.7 -3.6 | 125 6 -4.8 3.4 2 980 305 355 6 0.5 -6.0 | 100 6 -6.0 1.1 3 946 610 50 9 -6.9 -5.8 | 95 13 -13.4 1.3 4 925 810 50 10 -7.7 -6.4 | 93 14 -14.2 0.6 5 914 914 55 10 -8.2 -5.7 | 95 15 -14.7 1.3 6 882 1219 80 12 -11.8 -2.1 | 105 19 -18.3 5.0 7 850 1540 80 6 -5.9 -1.0 | 116 14 -12.4 6.0 8 792 2134 345 6 1.6 -5.8 | 104 5 -4.9 1.3 9 764 2438 10 1 -0.2 -1.0 | 132 9 -6.7 6.1 10 700 3175 315 7 4.9 -4.9 | 144 3 -1.6 2.1 11 685 3353 300 12 10.4 -6.0 | 255 4 3.9 1.1 12 659 3658 265 12 12.0 1.0 | 214 10 5.5 8.1 13 611 4267 270 19 19.0 -0.0 | 241 14 12.5 7.1 14 500 5880 275 27 26.9 -2.4 | 257 21 20.4 4.7 15 486 6096 275 25 24.9 -2.2 | 255 19 18.4 4.9 16 467 6401 275 23 22.9 -2.0 | 253 17 16.4 5.1 17 449 6706 295 17 15.4 -7.2 | 271 9 8.9 -0.1 18 415 7315 270 18 18.0 -0.0 | 238 13 11.5 7.1 19 400 7600 255 22 21.3 5.7 | 229 19 14.7 12.7 20 382 7925 250 23 21.6 7.9 | 225 21 15.1 14.9 21 367 8230 245 26 23.6 11.0 | 223 25 17.1 18.0 22 352 8534 250 42 39.5 14.4 | 237 39 33.0 21.4 23 310 9449 295 40 36.3 -16.9 | 288 31 29.8 -9.9 24 300 9680 300 44 38.1 -22.0 | 295 35 31.6 -14.9 25 260 10668 295 56 50.8 -23.7 | 291 47 44.3 -16.6 26 250 10940 285 57 55.1 -14.8 | 279 49 48.6 -7.7 27 221 11755 270 68 68.0 -0.0 | 263 62 61.5 7.1 28 217 11887 270 68 68.0 -0.0 | 263 62 61.5 7.1 29 200 12400 260 63 62.0 10.9 | 252 58 55.5 18.0 30 197 12497 260 64 63.0 11.1 | 252 59 56.5 18.2 31 154 14021 245 63 57.1 26.6 | 236 61 50.6 33.7 32 150 14200 255 42 40.6 10.9 | 242 38 34.1 17.9 33 132 14935 265 32 31.9 2.8 | 249 27 25.4 9.8 34 120 15545 280 42 41.4 -7.3 | 270 35 34.9 -0.2 35 100 16600 245 47 42.6 19.9 | 233 45 36.1 26.9 36 97 16764 245 47 42.6 19.9 | 233 45 36.1 26.9 37 87 17374 270 24 24.0 -0.0 | 248 19 17.5 7.1 38 87 17391 275 25 24.9 -2.2 | 255 19 18.4 4.9 39 78 17983 280 30 29.5 -5.2 | 265 23 23.0 1.8 40 74 18288 250 34 31.9 11.6 | 234 32 25.4 18.7 41 71 18593 235 29 23.8 16.6 | 216 29 17.3 23.7 42 70 18640 235 31 25.4 17.8 | 217 31 18.9 24.8 43 67 18898 220 31 19.9 23.7 | 204 34 13.4 30.8 44 64 19202 195 22 5.7 21.3 | 178 28 -0.8 28.3 45 61 19507 210 10 5.0 8.7 | 175 16 -1.5 15.7 46 55 20117 165 1 -0.3 1.0 | 140 10 -6.8 8.0 47 52 20422 80 12 -11.8 -2.1 | 105 19 -18.3 5.0 48 50 20660 45 15 -10.6 -10.6 | 78 17 -17.1 -3.6 49 49 20726 60 18 -15.6 -9.0 | 85 22 -22.1 -1.9 50 47 21031 40 14 -9.0 -10.7 | 77 16 -15.5 -3.7 51 43 21641 70 5 -4.7 -1.7 | 116 12 -11.2 5.3 52 41 21946 10 10 -1.7 -9.8 | 71 9 -8.2 -2.8 53 37 22555 90 16 -16.0 0.0 | 107 24 -22.5 7.1 54 35 22860 55 11 -9.0 -6.3 | 93 16 -15.5 0.7 55 33 23165 115 11 -10.0 4.6 | 125 20 -16.5 11.7 56 30 23774 125 17 -13.9 9.8 | 129 26 -20.4 16.8 57 30 23830 90 34 -34.0 0.0 | 100 41 -40.5 7.1 58 26 24384 85 35 -34.9 -3.1 | 96 42 -41.4 4.0 59 24 24689 85 34 -33.9 -3.0 | 96 41 -40.4 4.1 60 19 25603 80 28 -27.6 -4.9 | 94 34 -34.1 2.2 61 18 25908 90 28 -28.0 0.0 | 102 35 -34.5 7.1 62 17 26213 100 39 -38.4 6.8 | 107 47 -44.9 13.8 63 14 26822 90 41 -41.0 0.0 | 98 48 -47.5 7.1 Wind Parameters Mean winds (0-6000m): 287.3 at 12.8 knts Storm direction: 317.3 at 9.6 knts Shear (0-3000m) pos: 1.3 neg: 1.8 tot: 3.1 10-3/s Storm rel Dir Shear (0-3000m): -4.4 deg Storm rel helicity (0-3000m) pos: 36.7 neg: -20.6 tot: 16.1 m^2/s^2 ave: 5.4 10^-3 m/s^2 rel: 0.05 Storm rel vorticity (0-3000m) horiz: 7.3 stream: 0.4 10^-3/s Energy-Hel index: 0.16 Bulk Rich Number: 43.22 Bulk Shear: 20.03 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 ------------------------------------------------------------------------------- 500 360 5 104 7| 6.7 0.0 6.7| 0.0 -6.5 -6.5 -13.1 -0.47| 8.6 -4.1 1000 35 7 95 11| 5.5 0.0 5.5| 7.7 -8.7 -1.0 -1.0 -0.17| 7.5 -1.3 1500 53 8 99 13| 2.7 0.0 2.7| 29.7 -8.7 21.0 14.0 0.11| 8.0 0.8 2000 52 8 100 13| 2.0 2.0 4.0| 29.7 -18.2 11.5 5.7 -0.02| 8.0 -0.2 2500 45 7 101 12| 1.6 1.3 2.9| 36.5 -18.2 18.2 7.3 0.08| 7.7 0.6 3000 39 6 101 11| 1.3 1.8 3.1| 36.7 -20.6 16.1 5.4 0.05| 7.3 0.4 4000 351 8 84 5| 1.0 2.9 3.9| 47.3 -26.7 20.6 5.1 0.11| 7.8 0.8 5000 301 10 230 3| 0.1 2.3 2.4| 64.8 -26.7 38.1 7.6 0.16| 7.0 1.1 6000 287 13 240 7| 0.2 1.9 2.2| 77.6 -28.3 49.3 8.2 0.18| 6.2 1.1 Wrote GIF file: /home/apache/climate/data/raob//SBVT/skewt/SBVT.skewt.20250419.12.gif