UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101812.upa.cvt Date: 1200Z 18 OCT 25 Searching for SBVT... Searching the city database file for: SBVT ... Date:1200Z 18 OCT 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 1013 4 27.0 19.0 62 8.0 21.4 355 15 299.0 301.6 294.1 339.2 13.78 1 1000 123 25.2 17.2 61 8.0 19.8 10 22 298.4 300.6 292.9 334.5 12.44 2 925 801 19.0 16.4 85 2.6 17.2 345 17 298.7 301.1 293.3 336.0 12.78 3 908 960 17.4 15.9 91 1.5 16.4 346 21 298.7 301.0 293.2 335.4 12.61 4 850 1524 15.6 12.2 80 3.4 13.4 350 19 302.5 304.4 292.7 333.8 10.56 5 832 1705 14.8 10.5 75 4.3 12.1 347 17 303.5 305.3 292.3 332.2 9.63 6 802 2017 15.6 3.6 45 12.0 8.8 293 9 307.6 308.7 290.7 326.5 6.19 7 767 2394 14.0 0.0 38 14.0 6.5 218 8 309.8 310.7 290.3 325.3 4.99 8 758 2494 13.2 5.2 58 8.0 8.5 213 8 310.0 311.3 292.4 332.5 7.34 9 727 2844 11.8 -20.2 9 32.0 0.3 233 11 312.2 312.4 287.3 315.7 1.06 10 705 3101 10.6 -26.4 6 37.0 -1.1 245 12 313.6 313.7 287.3 315.8 0.63 11 700 3160 10.4 -18.6 11 29.0 -0.3 245 13 314.0 314.2 288.2 318.2 1.26 12 673 3486 8.8 -22.2 9 31.0 -1.8 258 14 315.8 315.9 288.4 319.0 0.96 13 639 3911 4.8 -5.2 48 10.0 -0.0 238 12 315.9 316.7 291.4 329.0 4.06 14 621 4143 4.2 -27.8 8 32.0 -5.2 246 10 317.8 318.0 288.8 320.0 0.63 15 600 4422 3.0 -27.0 9 30.0 -6.0 266 11 319.6 319.7 289.4 322.1 0.70 16 500 5870 -6.7 -23.7 24 17.0 -11.8 275 13 324.9 325.1 291.4 328.8 1.13 17 496 5933 -7.1 -22.1 29 15.0 -11.8 278 13 325.1 325.4 291.6 329.7 1.31 18 481 6172 -8.9 -27.9 20 19.0 -13.9 282 12 325.8 325.9 291.3 328.7 0.80 19 451 6667 -12.9 -16.9 72 4.0 -14.3 279 10 326.8 327.3 292.9 334.6 2.26 20 441 6838 -11.9 -20.9 47 9.0 -14.7 272 9 330.2 330.5 293.3 336.0 1.64 21 435 6943 -12.7 -18.7 61 6.0 -14.7 265 8 330.5 330.9 293.7 337.5 2.01 22 424 7138 -13.1 -28.1 27 15.0 -17.0 253 7 332.4 332.6 293.2 335.6 0.89 23 416 7283 -14.3 -22.3 51 8.0 -16.7 244 6 332.6 333.0 293.9 338.1 1.54 24 402 7542 -15.9 -32.9 22 17.0 -19.6 227 4 333.8 334.0 293.3 336.1 0.60 25 400 7580 -16.1 -32.1 24 16.0 -19.7 225 4 334.1 334.2 293.4 336.5 0.65 26 392 7732 -17.5 -24.5 54 7.0 -19.4 223 4 334.2 334.4 294.1 339.0 1.34 27 388 7808 -18.1 -29.1 38 11.0 -20.7 222 3 334.4 334.5 293.7 337.6 0.89 28 386 7847 -18.3 -24.3 59 6.0 -20.0 221 3 334.6 334.9 294.2 339.6 1.39 29 382 7925 -18.7 -33.7 25 15.0 -21.7 220 3 335.1 335.2 293.6 337.3 0.58 30 378 8003 -19.1 -26.1 54 7.0 -20.9 227 4 335.5 335.8 294.3 339.9 1.20 31 363 8303 -21.7 -26.7 64 5.0 -22.9 251 10 336.0 336.2 294.4 340.3 1.19 32 355 8467 -22.7 -32.7 40 10.0 -24.6 254 14 336.8 336.9 294.1 339.4 0.69 33 345 8676 -24.3 -31.3 52 7.0 -25.7 255 18 337.4 337.5 294.4 340.4 0.81 34 339 8804 -24.7 -44.7 14 20.0 -27.3 255 20 338.5 338.6 294.1 339.4 0.21 35 305 9563 -31.1 -36.1 61 5.0 -31.9 246 24 339.9 340.1 294.8 342.1 0.57 36 300 9680 -32.1 -37.1 61 5.0 -32.8 245 25 340.1 340.2 294.8 342.2 0.53 37 283 10089 -35.5 -47.5 28 12.0 -36.5 247 24 341.0 341.0 294.7 341.7 0.19 38 279 10188 -36.3 -43.3 48 7.0 -37.0 247 24 341.2 341.3 294.9 342.4 0.30 39 276 10263 -36.9 -50.9 22 14.0 -37.9 247 24 341.4 341.4 294.8 341.9 0.13 40 266 10517 -38.5 -55.5 15 17.0 -39.5 248 24 342.7 342.7 295.0 343.0 0.08 41 250 10940 -42.3 -56.3 20 14.0 -43.0 250 23 343.2 343.2 295.1 343.5 0.07 42 241 11186 -44.3 -60.3 15 16.0 -44.9 249 25 343.8 343.8 295.3 344.0 0.05 43 208 12150 -53.1 -63.1 29 10.0 -53.4 246 35 344.8 344.8 295.5 345.0 0.04 44 200 12400 -55.3 -67.3 21 12.0 -55.5 245 38 345.2 345.2 295.6 345.3 0.02 45 195 12561 -56.7 -70.7 16 14.0 -56.9 245 40 345.5 345.5 295.6 345.5 0.01 46 180 13064 -59.7 -74.7 12 15.0 -59.9 242 39 348.6 348.6 296.3 348.6 0.01 47 168 13492 -63.1 -75.1 18 12.0 -63.2 238 33 349.9 349.9 296.6 349.9 0.01 48 150 14180 -68.3 -76.3 31 8.0 -68.4 205 23 352.4 352.4 297.1 352.5 0.01 49 129 15071 -74.7 -78.6 55 3.9 -74.7 236 27 356.5 356.5 298.0 356.5 0.01 50 120 15489 -77.3 -82.3 44 5.0 -77.3 225 35 359.2 359.2 298.5 359.2 0.00 51 100 16540 -75.7 -83.7 27 8.0 -75.7 230 10 381.5 381.5 302.5 381.5 0.00 52 84 17548 -77.5 -87.5 19 10.0 -77.5 270 13 397.3 397.3 304.8 397.3 0.00 53 73 18370 -70.3 -88.3 5 18.0 -70.4 246 25 428.8 428.8 308.7 428.8 0.00 54 70 18620 -70.5 -88.5 5 18.0 -70.6 250 16 433.6 433.6 309.2 433.6 0.00 55 58 19741 -67.5 -89.5 3 22.0 -67.7 136 11 464.3 464.3 312.1 464.3 0.00 56 50 20640 -63.9 -89.9 2 26.0 -64.3 95 8 492.9 492.9 314.4 492.9 0.00 57 39 22172 -60.1 -89.1 1 29.0 -60.8 44 21 538.8 538.8 317.5 538.8 0.00 58 35 22842 -62.1 -89.1 2 27.0 -62.7 20 18 550.5 550.5 318.1 550.6 0.00 59 30 23800 -59.1 -88.1 1 29.0 -60.1 100 30 583.5 583.5 319.8 583.6 0.01 60 28 24231 -59.1 -88.1 1 29.0 -60.2 90 26 595.2 595.2 320.4 595.2 0.01 61 27 24460 -56.1 -87.1 1 31.0 -57.6 83 21 609.8 609.8 321.0 609.9 0.01 62 20 26370 -54.1 -86.1 1 32.0 -56.5 75 25 670.6 670.6 323.4 670.7 0.01 63 18 27048 -53.1 -85.1 1 32.0 -55.9 73 25 694.2 694.3 324.3 694.4 0.02 64 17 27416 -53.3 -85.3 1 32.0 -56.2 72 26 705.0 705.1 324.6 705.2 0.02 65 15 28235 -45.9 -82.9 1 37.0 -51.7 69 26 755.3 755.4 326.1 755.6 0.03 66 13 29191 -44.3 -82.3 1 38.0 -51.3 66 27 792.4 792.5 327.1 792.7 0.04 TRP 120 15489 -77.3 -82.3 44 5.0 -77.3 225 35 359.2 359.2 298.5 359.2 0.00 WND Sounding variables and indices 1000-500 mb thick: 5747.00 m Freezing level: 569.07 mb = 4869.58 m = 15976.13 ft Wetbulb zero: 721.76 mb = 2904.46 m = 9528.94 ft Precipitable water: 1.31 inches Sfc-500 mean rel hum: 39.30 % Est. max temperature: 29.58 C = 85.24 F Sfc-Lift cond lev (LCL): 901.62 mb = 1020.53 m = 3348.14 ft T: 17.21 C 700-500 lapse rate: 6.31 C/km ThetaE index: 16.83 C Layer 727.0- 705.0 mb Conv cond level (CCL): 758.00 mb = 2493.58 m = 8180.92 ft Mean mixing ratio: 12.69 g/kg Conv temperature: 37.97 C = 100.34 F Cap Strength: 4.21 C Lifted Index: 2.01 C Risk: None Lifted Index @300 mb: 4.68 C Lifted Index @700 mb: 4.17 C Showalter Index: 2.77 C Risk: Showers probable Total Totals Index: 41.20 C Risk: None Vertical Totals Index: 22.30 C Cross Totals Index: 18.90 C K Index: 5.50 Risk: None Sweat Index: 197.40 Risk: None Energy Index: -0.87 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 0.96 J/kg Max Up Vert Vel: 1.39 m/s Conv Inhibition (B-): 32704.97 J/kg Cap Strength: 4.16 C Lift Cond Lev (LCL): 890.85 mb = 1123.22 m = 3685.06 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 338 at 11 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 1013 4 355 15 1.3 -14.9 | 28 6 -2.7 -5.0 1 1000 123 10 22 -3.8 -21.7 | 34 14 -7.8 -11.8 2 979 305 10 21 -3.6 -20.7 | 35 13 -7.7 -10.8 3 946 610 350 19 3.3 -18.7 | 5 9 -0.7 -8.8 4 925 801 345 17 4.4 -16.4 | 357 7 0.4 -6.5 5 913 914 345 20 5.2 -19.3 | 353 9 1.2 -9.4 6 881 1219 355 28 2.4 -27.9 | 5 18 -1.6 -18.0 7 850 1524 350 19 3.3 -18.7 | 5 9 -0.7 -8.8 8 820 1829 345 15 3.9 -14.5 | 2 5 -0.1 -4.6 9 791 2134 260 5 4.9 0.9 | 185 11 0.9 10.8 10 763 2438 210 8 4.0 6.9 | 180 17 -0.0 16.8 11 709 3048 245 12 10.9 5.1 | 205 16 6.9 15.0 12 700 3160 245 13 11.8 5.5 | 207 17 7.8 15.4 13 658 3658 265 14 13.9 1.2 | 222 15 9.9 11.1 14 634 3962 230 11 8.4 7.1 | 195 18 4.4 17.0 15 610 4267 260 10 9.8 1.7 | 207 13 5.8 11.6 16 524 5486 310 15 11.5 -9.6 | 268 7 7.5 0.3 17 500 5870 275 13 13.0 -1.1 | 226 13 8.9 8.8 18 485 6096 285 12 11.6 -3.1 | 228 10 7.6 6.8 19 467 6401 270 13 13.0 -0.0 | 222 13 9.0 9.9 20 448 6706 280 10 9.8 -1.7 | 216 10 5.8 8.2 21 400 7580 225 4 2.8 2.8 | 175 13 -1.2 12.7 22 382 7925 220 3 1.9 2.3 | 170 12 -2.1 12.2 23 366 8230 250 9 8.5 3.1 | 199 14 4.5 13.0 24 351 8534 255 16 15.5 4.1 | 219 18 11.4 14.1 25 337 8839 255 21 20.3 5.4 | 227 22 16.3 15.3 26 300 9680 245 25 22.7 10.6 | 222 28 18.7 20.5 27 250 10940 250 23 21.6 7.9 | 225 25 17.6 17.8 28 200 12400 245 38 34.4 16.1 | 230 40 30.4 26.0 29 187 12802 245 42 38.1 17.7 | 231 44 34.1 27.7 30 162 13716 235 30 24.6 17.2 | 217 34 20.6 27.1 31 154 14021 205 26 11.0 23.6 | 192 34 7.0 33.5 32 150 14180 205 23 9.7 20.8 | 191 31 5.7 30.8 33 139 14630 195 21 5.4 20.3 | 183 30 1.4 30.2 34 132 14935 240 24 20.8 12.0 | 217 28 16.8 21.9 35 120 15489 225 35 24.7 24.7 | 211 40 20.7 34.7 36 119 15545 230 36 27.6 23.1 | 215 41 23.6 33.0 37 107 16154 195 24 6.2 23.2 | 184 33 2.2 33.1 38 101 16459 170 13 -2.3 12.8 | 165 24 -6.3 22.7 39 100 16540 230 10 7.7 6.4 | 193 17 3.7 16.3 40 96 16764 235 11 9.0 6.3 | 197 17 5.0 16.2 41 91 17069 240 14 12.1 7.0 | 206 19 8.1 16.9 42 87 17374 255 22 21.3 5.7 | 228 23 17.2 15.6 43 82 17678 280 7 6.9 -1.2 | 198 9 2.9 8.7 44 74 18288 260 24 23.6 4.2 | 234 24 19.6 14.1 45 70 18593 210 26 13.0 22.5 | 196 34 9.0 32.4 46 70 18620 250 16 15.0 5.5 | 216 19 11.0 15.4 47 67 18898 250 19 17.9 6.5 | 220 21 13.8 16.4 48 64 19202 180 15 0.0 15.0 | 171 25 -4.0 24.9 49 60 19507 180 11 0.0 11.0 | 169 21 -4.0 20.9 50 55 20117 70 11 -10.3 -3.8 | 113 16 -14.3 6.1 51 52 20422 130 11 -8.4 7.1 | 144 21 -12.4 17.0 52 50 20640 95 8 -8.0 0.7 | 132 16 -12.0 10.6 53 49 20726 100 10 -9.8 1.7 | 130 18 -13.9 11.6 54 47 21031 65 17 -15.4 -7.2 | 98 20 -19.4 2.7 55 45 21336 90 16 -16.0 0.0 | 116 22 -20.0 9.9 56 39 22250 40 21 -13.5 -16.1 | 71 19 -17.5 -6.2 57 35 22860 20 18 -6.2 -16.9 | 55 12 -10.2 -7.0 58 33 23165 30 13 -6.5 -11.3 | 83 11 -10.5 -1.3 59 32 23470 100 11 -10.8 1.9 | 129 19 -14.8 11.8 60 30 23774 130 13 -10.0 8.4 | 143 23 -14.0 18.3 61 30 23800 100 30 -29.5 5.2 | 114 37 -33.5 15.1 62 29 24079 100 31 -30.5 5.4 | 114 38 -34.5 15.3 63 27 24384 80 22 -21.7 -3.8 | 103 26 -25.7 6.1 64 26 24689 90 17 -17.0 0.0 | 115 23 -21.0 9.9 65 24 25298 105 19 -18.4 4.9 | 124 27 -22.4 14.8 66 23 25603 90 24 -24.0 0.0 | 109 30 -28.0 9.9 67 22 25908 105 23 -22.2 6.0 | 121 31 -26.2 15.9 68 21 26213 75 31 -29.9 -8.0 | 93 34 -33.9 1.9 69 20 26370 75 25 -24.1 -6.5 | 97 28 -28.2 3.4 70 12 28042 65 27 -24.5 -11.4 | 87 29 -28.5 -1.5 71 10 28651 50 21 -16.1 -13.5 | 80 20 -20.1 -3.6 72 9 28956 15 24 -6.2 -23.2 | 38 17 -10.2 -13.3 73 9 29261 5 21 -1.8 -20.9 | 28 12 -5.8 -11.0 Wind Parameters Mean winds (0-6000m): 308.0 at 14.3 knts Storm direction: 338.0 at 10.7 knts Shear (0-3000m) pos: 1.0 neg: 4.2 tot: 5.2 10-3/s Storm rel Dir Shear (0-3000m): 174.4 deg Storm rel helicity (0-3000m) pos: 41.3 neg: -46.3 tot: -5.0 m^2/s^2 ave: -1.7 10^-3 m/s^2 rel: -0.21 Storm rel vorticity (0-3000m) horiz: 12.7 stream: -2.6 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.02 Bulk Shear: 41.24 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 6 20 31 12| 4.9 0.0 4.9| 4.0 -11.5 -7.5 -15.1 -0.18| 13.9 -2.4 1000 357 20 18 10| 2.4 2.2 4.6| 5.9 -19.7 -13.8 -13.8 -0.22| 12.3 -2.7 1500 356 21 12 12| 0.9 1.5 2.4| 13.7 -20.1 -6.4 -4.3 -0.09| 13.1 -1.1 2000 353 20 9 10| 0.7 4.0 4.7| 13.7 -30.6 -16.9 -8.4 -0.28| 14.3 -3.9 2500 350 17 8 7| 0.6 5.1 5.6| 14.6 -46.3 -31.7 -12.7 -0.31| 14.0 -4.4 3000 343 16 353 5| 1.0 4.2 5.2| 41.3 -46.3 -5.0 -1.7 -0.21| 12.7 -2.6 4000 322 15 291 6| 1.2 3.6 4.8| 62.9 -75.3 -12.4 -3.1 -0.20| 11.1 -2.2 5000 311 14 266 7| 2.1 2.9 5.0| 91.9 -75.3 16.6 3.3 -0.08| 10.1 -0.8 6000 308 14 261 7| 2.1 3.0 5.1|102.6 -92.9 9.6 1.6 -0.09| 9.6 -0.9 Wrote GIF file: /home/apache/climate/data/raob//SBVT/skewt/SBVT.skewt.20251018.12.gif