UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025102112.upa.cvt Date: 1200Z 21 OCT 25 Searching for SBVT... Searching the city database file for: SBVT ... Date:1200Z 21 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 1026 4 19.8 15.0 74 4.8 16.7 190 12 290.8 292.7 288.9 320.5 10.50 1 1012 122 17.4 13.8 79 3.6 15.1 187 18 289.6 291.3 287.8 317.2 9.84 2 1000 224 16.6 13.5 82 3.1 14.7 185 23 289.8 291.5 287.8 317.2 9.76 3 925 882 11.6 10.9 95 0.7 11.2 190 21 291.2 292.7 287.5 316.4 8.88 4 875 1345 8.8 8.8 100 0.0 8.8 171 20 292.9 294.4 287.5 316.3 8.15 5 850 1585 7.8 7.8 100 0.0 7.8 160 19 294.3 295.7 287.7 316.9 7.83 6 751 2600 2.6 2.6 100 0.0 2.6 163 22 299.3 300.4 287.9 317.5 6.15 7 742 2698 3.0 -4.0 60 7.0 -0.2 164 20 300.8 301.5 286.2 312.4 3.83 8 729 2841 2.4 -6.6 51 9.0 -1.4 197 21 301.6 302.2 285.8 311.4 3.20 9 710 3056 3.2 -0.2 78 3.4 1.5 265 24 304.8 305.8 289.0 321.0 5.31 10 700 3171 2.6 -0.0 83 2.6 1.3 270 23 305.4 306.4 289.4 322.0 5.47 11 651 3753 -2.3 -2.7 97 0.4 -2.5 277 27 306.2 307.1 289.0 321.0 4.82 12 645 3826 -2.9 -3.4 96 0.5 -3.1 276 28 306.4 307.2 288.9 320.6 4.61 13 643 3851 -1.5 -17.5 28 16.0 -6.8 276 28 308.2 308.5 286.4 313.1 1.50 14 638 3914 0.6 -40.4 3 41.0 -7.8 275 28 311.3 311.3 286.0 311.9 0.18 15 617 4183 1.0 -28.0 9 29.0 -7.0 282 29 314.8 314.9 287.7 316.9 0.62 16 548 5126 -5.1 -31.1 11 26.0 -11.4 259 28 318.4 318.5 288.8 320.2 0.52 17 508 5717 -9.3 -43.3 4 34.0 -15.0 255 27 320.2 320.3 289.0 320.9 0.16 18 500 5840 -9.3 -48.3 3 39.0 -15.3 265 37 321.7 321.7 289.4 322.1 0.10 19 497 5886 -9.1 -50.1 2 41.0 -15.2 265 38 322.5 322.5 289.6 322.8 0.08 20 460 6480 -12.1 -51.1 2 39.0 -17.5 265 51 326.0 326.0 290.6 326.3 0.08 21 400 7530 -20.1 -46.1 8 26.0 -23.5 270 55 328.9 328.9 291.6 329.5 0.15 22 353 8443 -27.9 -52.9 7 25.0 -30.0 279 60 330.3 330.3 291.9 330.6 0.08 23 337 8776 -28.9 -55.9 6 27.0 -31.0 285 63 333.4 333.4 292.7 333.6 0.06 24 300 9600 -34.3 -61.3 5 27.0 -35.8 300 72 337.0 337.0 293.6 337.2 0.03 25 251 10813 -43.1 -66.2 6 23.1 -43.9 295 86 341.6 341.6 294.7 341.7 0.02 26 250 10840 -43.3 -66.3 6 23.0 -44.0 295 86 341.7 341.7 294.7 341.8 0.02 27 218 11750 -49.9 -70.9 7 21.0 -50.3 286 82 345.1 345.1 295.6 345.2 0.01 28 200 12310 -53.1 -74.1 6 21.0 -53.4 280 79 348.7 348.7 296.4 348.7 0.01 29 158 13800 -62.7 -79.7 8 17.0 -62.9 269 76 356.7 356.7 298.1 356.7 0.00 30 150 14120 -63.7 -81.7 7 18.0 -63.8 265 70 360.3 360.3 298.8 360.4 0.00 31 100 16560 -72.7 -86.7 10 14.0 -72.8 255 26 387.3 387.3 303.4 387.3 0.00 32 93 16982 -74.9 -86.9 14 12.0 -74.9 265 22 391.0 391.0 303.9 391.1 0.00 33 82 17713 -74.1 -88.1 10 14.0 -74.2 214 16 407.0 407.0 306.1 407.0 0.00 34 78 18007 -69.3 -88.3 5 19.0 -69.4 223 14 422.8 422.8 308.0 422.8 0.00 35 73 18401 -70.7 -88.7 5 18.0 -70.8 352 9 428.0 428.0 308.6 428.0 0.00 36 70 18650 -68.9 -88.9 4 20.0 -69.0 320 12 437.0 437.0 309.6 437.0 0.00 37 65 19095 -67.9 -89.9 3 22.0 -68.1 331 14 448.5 448.5 310.7 448.5 0.00 38 59 19674 -69.9 -89.9 4 20.0 -70.1 60 4 456.6 456.6 311.5 456.6 0.00 39 56 19988 -65.7 -90.7 2 25.0 -66.0 72 7 473.1 473.1 312.9 473.1 0.00 40 50 20680 -63.9 -88.9 2 25.0 -64.3 100 14 492.9 492.9 314.4 492.9 0.00 41 49 20804 -63.5 -89.5 2 26.0 -63.9 110 11 496.7 496.7 314.7 496.7 0.00 42 39 22205 -63.1 -89.1 2 26.0 -63.6 71 21 531.2 531.2 317.0 531.2 0.00 43 38 22364 -63.3 -89.3 2 26.0 -63.8 74 18 534.7 534.7 317.2 534.7 0.00 44 32 23434 -57.5 -86.5 1 29.0 -58.6 109 32 577.1 577.1 319.5 577.2 0.01 45 30 23840 -58.5 -87.5 1 29.0 -59.6 90 30 585.2 585.2 319.9 585.2 0.01 46 22 25815 -56.1 -86.1 1 30.0 -57.9 76 40 646.6 646.6 322.6 646.7 0.01 47 20 26430 -51.7 -83.7 1 32.0 -54.7 55 20 677.9 677.9 323.7 678.1 0.02 48 16 27881 -50.7 -83.7 1 33.0 -54.5 86 13 725.9 725.9 325.3 726.0 0.02 49 14 28751 -50.7 -83.7 1 33.0 -54.9 77 21 754.1 754.1 326.1 754.3 0.03 TRP 93 16982 -74.9 -86.9 14 12.0 -74.9 265 22 391.0 391.0 303.9 391.1 0.00 WND 251 10813 -43.1 -66.2 6 23.1 -43.9 295 86 341.6 341.6 294.7 341.7 0.02 Sounding variables and indices 1000-500 mb thick: 5616.00 m Freezing level: 674.00 mb = 3479.81 m = 11416.57 ft Freezing level: 639.43 mb = 3895.80 m = 12781.35 ft Freezing level: 605.69 mb = 4337.29 m = 14229.78 ft Wetbulb zero: 742.51 mb = 2692.22 m = 8832.63 ft Precipitable water: 1.14 inches Sfc-500 mean rel hum: 61.54 % Est. max temperature: 21.90 C = 71.42 F Sfc-Lift cond lev (LCL): 955.71 mb = 606.31 m = 1989.17 ft T: 13.69 C 700-500 lapse rate: 4.46 C/km ThetaE index: 6.09 C Layer 742.0- 710.0 mb Conv cond level (CCL): 930.71 mb = 830.04 m = 2723.18 ft Mean mixing ratio: 9.50 g/kg Conv temperature: 20.05 C = 68.10 F Cap Strength: 7.89 C Lifted Index: 8.73 C Risk: None Lifted Index @300 mb: 14.49 C Lifted Index @700 mb: 3.40 C Showalter Index: 8.84 C Risk: None Total Totals Index: 34.20 C Risk: None Vertical Totals Index: 17.10 C Cross Totals Index: 17.10 C K Index: 22.30 Risk: 20-40 % chance of thunderstorms Sweat Index: 314.34 Risk: Showers and thunderstorms possible Energy Index: 1.18 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 7.89 J/kg Max Up Vert Vel: 3.97 m/s Conv Inhibition (B-): 2.11 J/kg Cap Strength: 8.58 C Lift Cond Lev (LCL): 941.07 mb = 736.63 m = 2416.72 ft Lev Free Conv (LFC): 906.07 mb = 1054.31 m = 3458.97 ft Equ Level (EL): 796.07 mb = 2122.21 m = 6962.55 ft B at Equ Level: 7.83 J/kg Max Parcel Lev (MPL): 736.07 mb = 2762.94 m = 9064.66 ft Wind level data Storm motion: 263 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 1026 4 190 12 2.1 11.8 | 121 19 -16.1 9.6 1 1000 224 185 23 2.0 22.9 | 142 26 -16.2 20.7 2 990 305 190 21 3.6 20.7 | 142 24 -14.6 18.5 3 955 610 175 22 -1.9 21.9 | 134 28 -20.1 19.7 4 925 882 190 21 3.6 20.7 | 142 24 -14.6 18.5 5 921 914 190 21 3.6 20.7 | 142 24 -14.6 18.5 6 850 1585 160 19 -6.5 17.9 | 122 29 -24.7 15.6 7 795 2134 170 22 -3.8 21.7 | 131 29 -22.0 19.4 8 766 2438 160 26 -8.9 24.4 | 129 35 -27.1 22.2 9 738 2743 165 19 -4.9 18.4 | 125 28 -23.1 16.1 10 711 3048 265 24 23.9 2.1 | 271 6 5.7 -0.1 11 700 3171 270 23 23.0 -0.0 | 295 5 4.8 -2.2 12 684 3353 280 23 22.7 -4.0 | 324 8 4.4 -6.2 13 634 3962 275 29 28.9 -2.5 | 294 12 10.7 -4.7 14 610 4267 285 29 28.0 -7.5 | 315 14 9.8 -9.7 15 565 4877 260 28 27.6 4.9 | 254 10 9.4 2.6 16 503 5791 255 27 26.1 7.0 | 239 9 7.9 4.8 17 500 5840 265 37 36.9 3.2 | 267 19 18.7 1.0 18 483 6096 265 40 39.8 3.5 | 267 22 21.6 1.3 19 464 6401 265 51 50.8 4.4 | 266 33 32.6 2.2 20 400 7530 270 55 55.0 -0.0 | 273 37 36.8 -2.2 21 363 8230 275 58 57.8 -5.1 | 280 40 39.6 -7.3 22 300 9600 300 72 62.4 -36.0 | 311 58 44.1 -38.2 23 293 9754 305 73 59.8 -41.9 | 317 61 41.6 -44.1 24 251 10813 295 86 77.9 -36.3 | 303 71 59.7 -38.6 25 250 10840 295 86 77.9 -36.3 | 303 71 59.7 -38.6 26 245 10973 295 86 77.9 -36.3 | 303 71 59.7 -38.6 27 200 12310 280 79 77.8 -13.7 | 285 62 59.6 -15.9 28 160 13716 270 78 78.0 -0.0 | 272 60 59.8 -2.2 29 150 14120 265 70 69.7 6.1 | 266 52 51.5 3.9 30 138 14630 255 64 61.8 16.6 | 252 46 43.6 14.3 31 125 15240 255 52 50.2 13.5 | 251 34 32.0 11.2 32 118 15545 280 43 42.3 -7.5 | 292 26 24.1 -9.7 33 102 16459 245 33 29.9 13.9 | 225 17 11.7 11.7 34 100 16560 255 26 25.1 6.7 | 237 8 6.9 4.5 35 97 16764 255 26 25.1 6.7 | 237 8 6.9 4.5 36 93 16982 265 22 21.9 1.9 | 275 4 3.7 -0.3 37 92 17069 265 22 21.9 1.9 | 275 4 3.7 -0.3 38 83 17678 215 16 9.2 13.1 | 140 14 -9.0 10.9 39 78 17983 205 15 6.3 13.6 | 134 16 -11.9 11.4 40 74 18288 20 2 -0.7 -1.9 | 78 19 -18.9 -4.1 41 71 18593 305 20 16.4 -11.5 | 8 14 -1.8 -13.7 42 70 18650 320 12 7.7 -9.2 | 43 16 -10.5 -11.4 43 67 18898 300 17 14.7 -8.5 | 18 11 -3.5 -10.7 44 58 19812 80 2 -2.0 -0.3 | 83 20 -20.2 -2.6 45 52 20422 55 18 -14.7 -10.3 | 69 35 -33.0 -12.5 46 50 20680 100 14 -13.8 2.4 | 90 32 -32.0 0.2 47 50 20726 115 10 -9.1 4.2 | 94 27 -27.3 2.0 48 47 21031 95 13 -13.0 1.1 | 88 31 -31.2 -1.1 49 45 21336 110 13 -12.2 4.4 | 94 31 -30.4 2.2 50 43 21641 95 20 -19.9 1.7 | 89 38 -38.1 -0.5 51 41 21946 75 22 -21.3 -5.7 | 79 40 -39.5 -7.9 52 39 22250 70 21 -19.7 -7.2 | 76 39 -37.9 -9.4 53 37 22555 80 14 -13.8 -2.4 | 82 32 -32.0 -4.6 54 35 22860 105 17 -16.4 4.4 | 94 35 -34.6 2.2 55 33 23165 95 33 -32.9 2.9 | 91 51 -51.1 0.7 56 32 23470 110 32 -30.1 10.9 | 100 49 -48.3 8.7 57 30 23774 90 37 -37.0 0.0 | 88 55 -55.2 -2.2 58 30 23840 90 30 -30.0 0.0 | 87 48 -48.2 -2.2 59 28 24384 100 33 -32.5 5.7 | 94 51 -50.7 3.5 60 24 25298 70 49 -46.0 -16.8 | 74 67 -64.3 -19.0 61 21 26213 80 33 -32.5 -5.7 | 81 51 -50.7 -7.9 62 20 26430 55 20 -16.4 -11.5 | 68 37 -34.6 -13.7 63 20 26518 65 17 -15.4 -7.2 | 74 35 -33.6 -9.4 64 18 26822 55 20 -16.4 -11.5 | 68 37 -34.6 -13.7 65 16 27127 85 13 -13.0 -1.1 | 84 31 -31.2 -3.4 66 15 27432 90 12 -12.0 0.0 | 86 30 -30.2 -2.2 67 14 27737 75 23 -22.2 -6.0 | 79 41 -40.4 -8.2 68 12 28346 50 25 -19.2 -16.1 | 64 42 -37.4 -18.3 69 9 29261 50 16 -12.3 -10.3 | 68 33 -30.5 -12.5 Wind Parameters Mean winds (0-6000m): 233.1 at 24.5 knts Storm direction: 263.1 at 18.3 knts Shear (0-3000m) pos: 6.1 neg: 2.8 tot: 8.9 10-3/s Storm rel Dir Shear (0-3000m): 93.3 deg Storm rel helicity (0-3000m) pos: 201.8 neg: -110.0 tot: 91.9 m^2/s^2 ave: 30.6 10^-3 m/s^2 rel: 0.30 Storm rel vorticity (0-3000m) horiz: 14.0 stream: 4.2 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.18 Bulk Shear: 43.50 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 ------------------------------------------------------------------------------- 500 186 20 137 24| 0.0 10.3 10.3| 45.4 -13.8 31.6 63.2 0.37| 16.2 6.0 1000 184 21 138 25| 1.2 5.2 6.4| 67.7 -29.8 37.9 37.9 0.27| 12.7 3.5 1500 181 20 136 25| 0.8 4.2 5.0| 67.7 -77.0 -9.3 -6.2 0.00| 11.2 0.0 2000 177 20 133 26| 0.8 3.2 4.0| 93.9 -84.2 9.7 4.8 0.07| 9.6 0.6 2500 174 21 133 28| 0.7 3.4 4.0|101.6 -96.6 5.0 2.0 0.05| 9.1 0.4 3000 176 21 133 27| 6.1 2.8 8.9|201.8-110.0 91.9 30.6 0.30| 14.0 4.2 4000 201 22 151 21| 5.6 1.7 7.3|217.7-120.0 97.7 24.4 0.32| 12.9 4.1 5000 222 23 171 15| 4.5 2.2 6.7|228.7-152.5 76.2 15.2 0.21| 11.9 2.5 6000 233 24 186 13| 4.7 2.0 6.7|251.1-157.5 93.6 15.6 0.22| 11.2 2.4 Wrote GIF file: /home/apache/climate/data/raob//SBVT/skewt/SBVT.skewt.20251021.12.gif