UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120312.upa.cvt Date: 1200Z 3 DEC 25 Searching for SBVT... Searching the city database file for: SBVT ... Date:1200Z 3 DEC 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 23.8 22.1 90 1.7 22.6 20 11 296.1 299.1 295.4 344.5 16.81 1 1000 88 23.0 21.7 92 1.3 22.1 20 11 296.1 299.1 295.3 343.9 16.56 2 998 106 22.8 21.6 93 1.2 22.0 17 11 296.1 299.1 295.2 343.6 16.49 3 982 247 24.0 19.8 77 4.2 21.1 351 13 298.7 301.4 294.8 342.2 14.96 4 950 537 22.4 18.8 80 3.6 19.9 340 19 299.9 302.6 294.9 342.4 14.52 5 940 629 23.4 17.4 69 6.0 19.3 339 20 301.8 304.3 294.7 341.4 13.42 6 925 770 22.6 17.7 74 4.9 19.2 335 18 302.4 305.0 295.1 343.5 13.91 7 866 1344 18.8 16.2 85 2.6 17.0 326 19 304.2 306.7 295.4 344.4 13.50 8 850 1505 18.6 14.4 77 4.2 15.8 315 19 305.6 307.9 294.8 342.3 12.23 9 812 1897 16.8 11.9 73 4.9 13.6 284 17 307.7 309.8 294.4 340.6 10.85 10 700 3144 8.2 6.3 88 1.9 7.1 260 21 311.6 313.2 293.9 338.1 8.59 11 655 3690 4.4 4.4 100 0.0 4.4 262 21 313.3 314.8 293.9 338.3 8.04 12 500 5850 -5.9 -5.9 100 0.0 -5.9 280 25 325.8 326.8 294.8 342.2 4.93 13 442 6808 -10.5 -10.9 97 0.4 -10.7 304 27 331.7 332.5 295.4 344.6 3.77 14 400 7570 -15.7 -16.7 92 1.0 -16.0 305 22 334.6 335.1 295.2 343.7 2.59 15 381 7936 -18.3 -18.5 98 0.2 -18.4 302 23 335.8 336.3 295.3 344.1 2.33 16 351 8545 -22.5 -26.6 69 4.1 -23.5 280 22 338.2 338.4 295.0 342.7 1.24 17 346 8650 -23.5 -33.5 39 10.0 -25.4 273 21 338.2 338.3 294.5 340.7 0.65 18 330 8995 -25.7 -31.7 57 6.0 -26.9 260 21 339.8 339.9 295.0 342.9 0.82 19 309 9469 -29.5 -32.2 77 2.7 -30.0 261 25 340.9 341.1 295.3 344.0 0.83 20 300 9680 -31.1 -34.6 71 3.5 -31.7 275 21 341.5 341.7 295.3 344.1 0.68 21 272 10364 -36.9 -43.9 48 7.0 -37.6 277 24 342.8 342.9 295.3 344.0 0.29 22 250 10940 -41.9 -45.6 67 3.7 -42.2 275 27 343.8 343.8 295.5 344.8 0.26 23 244 11104 -43.5 -45.8 78 2.3 -43.7 279 28 343.8 343.8 295.5 344.8 0.26 24 219 11821 -49.7 -52.0 77 2.3 -49.8 279 32 345.0 345.0 295.7 345.6 0.14 25 205 12251 -52.7 -60.7 37 8.0 -52.9 258 36 346.9 346.9 296.0 347.1 0.05 26 200 12410 -53.5 -60.5 42 7.0 -53.7 250 37 348.0 348.1 296.3 348.3 0.06 27 169 13471 -62.9 -64.8 78 1.9 -62.9 229 51 349.6 349.6 296.5 349.8 0.04 28 166 13582 -63.3 -70.3 38 7.0 -63.4 228 55 350.7 350.7 296.8 350.8 0.02 29 160 13808 -64.6 -72.0 36 7.4 -64.7 225 64 352.2 352.2 297.1 352.3 0.01 30 150 14200 -66.9 -74.9 31 8.0 -67.0 230 46 354.8 354.8 297.7 354.9 0.01 31 139 14656 -70.5 -76.5 41 6.0 -70.5 231 41 356.3 356.3 298.0 356.4 0.01 32 129 15097 -71.9 -77.9 40 6.0 -71.9 253 30 361.5 361.5 299.0 361.5 0.01 33 120 15525 -69.9 -83.9 11 14.0 -69.9 215 18 372.7 372.7 301.1 372.7 0.00 34 101 16533 -77.1 -87.1 19 10.0 -77.1 277 12 377.7 377.7 301.9 377.7 0.00 35 100 16590 -77.5 -87.5 19 10.0 -77.5 275 14 378.0 378.0 301.9 378.0 0.00 36 96 16824 -78.9 -87.9 22 9.0 -78.9 235 11 379.7 379.7 302.2 379.7 0.00 37 77 18080 -79.7 -88.7 21 9.0 -79.7 3 19 402.7 402.7 305.6 402.8 0.00 38 73 18385 -77.5 -88.5 15 11.0 -77.6 358 14 413.6 413.6 306.9 413.6 0.00 39 71 18547 -73.1 -87.1 10 14.0 -73.2 356 11 426.3 426.3 308.4 426.3 0.00 40 70 18630 -73.5 -87.5 10 14.0 -73.6 350 8 427.1 427.1 308.5 427.2 0.00 41 66 18974 -72.7 -87.7 9 15.0 -72.8 272 3 436.1 436.1 309.5 436.1 0.00 42 63 19245 -74.5 -88.5 10 14.0 -74.6 225 7 438.0 438.0 309.7 438.0 0.00 43 50 20600 -70.7 -89.7 4 19.0 -70.8 95 22 476.9 476.9 313.2 476.9 0.00 44 49 20721 -70.7 -89.7 4 19.0 -70.8 115 18 479.6 479.6 313.4 479.7 0.00 45 37 22441 -59.5 -86.5 2 27.0 -60.3 62 23 548.5 548.5 318.0 548.6 0.01 46 32 23354 -58.9 -85.9 2 27.0 -59.9 84 39 573.4 573.4 319.3 573.4 0.01 47 30 23760 -59.9 -86.9 2 27.0 -60.8 80 24 581.3 581.3 319.8 581.4 0.01 48 25 24904 -57.9 -84.9 2 27.0 -59.3 104 23 618.2 618.2 321.4 618.3 0.01 TRP 96 16824 -78.9 -87.9 22 9.0 -78.9 235 11 379.7 379.7 302.2 379.7 0.00 WND 160 13808 -64.6 -72.0 36 7.4 -64.7 225 64 352.2 352.2 297.1 352.3 0.01 Sounding variables and indices 1000-500 mb thick: 5762.00 m Freezing level: 588.79 mb = 4612.48 m = 15132.64 ft Wetbulb zero: 588.65 mb = 4544.07 m = 14908.19 ft Precipitable water: 2.27 inches Sfc-500 mean rel hum: 88.65 % Est. max temperature: 32.46 C = 90.43 F Sfc-Lift cond lev (LCL): 985.62 mb = 214.79 m = 704.68 ft T: 23.73 C 700-500 lapse rate: 5.21 C/km ThetaE index: 6.34 C Layer 850.0- 655.0 mb Conv cond level (CCL): 807.19 mb = 1946.51 m = 6386.12 ft Mean mixing ratio: 14.73 g/kg Conv temperature: 35.63 C = 96.13 F Cap Strength: 3.12 C Lifted Index: -0.29 C Risk: Thunderstorms probable Lifted Index @300 mb: 1.28 C Lifted Index @700 mb: -0.37 C Showalter Index: -0.03 C Risk: Thunderstorms probable Total Totals Index: 44.80 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 24.50 C Cross Totals Index: 20.30 C K Index: 37.00 Risk: > 80 % chance of thunderstorms Sweat Index: 235.80 Risk: None Energy Index: -0.12 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 126.35 J/kg Max Up Vert Vel: 15.90 m/s Conv Inhibition (B-): 160.34 J/kg Cap Strength: 3.12 C Lift Cond Lev (LCL): 906.48 mb = 946.07 m = 3103.88 ft Lev Free Conv (LFC): 711.48 mb = 3007.27 m = 9866.26 ft Equ Level (EL): 481.48 mb = 6143.36 m = 20155.15 ft B at Equ Level: 126.04 J/kg Max Parcel Lev (MPL): 291.48 mb = 9881.18 m = 32418.17 ft Wind level data Storm motion: 313 at 16 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 20 11 -3.8 -10.3 | 91 15 -15.2 0.3 1 1000 88 20 11 -3.8 -10.3 | 91 15 -15.2 0.3 2 976 305 340 14 4.8 -13.2 | 69 7 -6.6 -2.5 3 942 610 340 20 6.8 -18.8 | 29 9 -4.6 -8.1 4 925 770 335 18 7.6 -16.3 | 34 7 -3.8 -5.7 5 910 914 335 18 7.6 -16.3 | 34 7 -3.8 -5.7 6 878 1219 335 19 8.0 -17.2 | 27 7 -3.4 -6.6 7 850 1505 315 19 13.4 -13.4 | 324 3 2.0 -2.8 8 789 2134 265 15 14.9 1.3 | 196 12 3.5 12.0 9 761 2438 270 18 18.0 -0.0 | 212 13 6.6 10.6 10 700 3144 260 21 20.7 3.6 | 213 17 9.3 14.3 11 609 4267 265 22 21.9 1.9 | 220 16 10.5 12.6 12 564 4877 270 26 26.0 -0.0 | 234 18 14.6 10.6 13 523 5486 280 29 28.6 -5.0 | 252 18 17.1 5.6 14 500 5850 280 25 24.6 -4.3 | 244 15 13.2 6.3 15 484 6096 290 26 24.4 -8.9 | 262 13 13.0 1.8 16 413 7315 315 27 19.1 -19.1 | 318 11 7.7 -8.4 17 400 7570 305 22 18.0 -12.6 | 287 7 6.6 -2.0 18 366 8230 300 23 19.9 -11.5 | 276 9 8.5 -0.9 19 336 8839 260 20 19.7 3.5 | 210 16 8.3 14.1 20 310 9449 260 25 24.6 4.3 | 221 20 13.2 15.0 21 300 9680 275 21 20.9 -1.8 | 227 13 9.5 8.8 22 297 9754 280 20 19.7 -3.5 | 229 11 8.3 7.2 23 250 10940 275 27 26.9 -2.4 | 242 18 15.5 8.3 24 227 11582 290 30 28.2 -10.3 | 269 17 16.8 0.4 25 200 12410 250 37 34.8 12.7 | 225 33 23.3 23.3 26 197 12497 250 35 32.9 12.0 | 224 31 21.5 22.6 27 170 13411 230 49 37.5 31.5 | 212 50 26.1 42.1 28 160 13808 225 64 45.3 45.3 | 211 65 33.8 55.9 29 154 14021 225 64 45.3 45.3 | 211 65 33.8 55.9 30 150 14200 230 46 35.2 29.6 | 211 47 23.8 40.2 31 139 14630 230 41 31.4 26.4 | 208 42 20.0 37.0 32 126 15240 260 26 25.6 4.5 | 223 21 14.2 15.2 33 119 15545 210 17 8.5 14.7 | 173 26 -2.9 25.4 34 113 15850 215 12 6.9 9.8 | 167 21 -4.5 20.5 35 102 16459 280 10 9.8 -1.7 | 170 9 -1.6 8.9 36 100 16590 275 14 13.9 -1.2 | 195 10 2.5 9.4 37 97 16764 275 14 13.9 -1.2 | 195 10 2.5 9.4 38 96 16824 235 11 9.0 6.3 | 172 17 -2.4 17.0 39 92 17069 245 12 10.9 5.1 | 178 16 -0.6 15.7 40 87 17374 190 10 1.7 9.8 | 155 23 -9.7 20.5 41 83 17678 355 11 1.0 -11.0 | 88 10 -10.5 -0.3 42 78 17983 5 21 -1.8 -20.9 | 52 17 -13.3 -10.3 43 70 18593 355 10 0.9 -10.0 | 94 11 -10.6 0.7 44 70 18630 350 8 1.4 -7.9 | 105 10 -10.0 2.8 45 67 18898 285 2 1.9 -0.5 | 137 14 -9.5 10.1 46 60 19507 180 10 0.0 10.0 | 151 24 -11.4 20.6 47 57 19812 125 22 -18.0 12.6 | 128 38 -29.4 23.3 48 54 20117 110 15 -14.1 5.1 | 122 30 -25.5 15.8 49 52 20422 105 21 -20.3 5.4 | 117 36 -31.7 16.1 50 50 20600 95 22 -21.9 1.9 | 111 36 -33.3 12.6 51 49 20726 115 18 -16.3 7.6 | 123 33 -27.7 18.3 52 47 21031 95 22 -21.9 1.9 | 111 36 -33.3 12.6 53 42 21641 85 25 -24.9 -2.2 | 103 37 -36.3 8.5 54 40 21946 65 29 -26.3 -12.3 | 88 38 -37.7 -1.6 55 38 22250 55 29 -23.8 -16.6 | 80 36 -35.2 -6.0 56 36 22555 65 21 -19.0 -8.9 | 93 31 -30.5 1.8 57 33 23165 90 36 -36.0 0.0 | 103 49 -47.4 10.6 58 31 23470 80 41 -40.4 -7.1 | 94 52 -51.8 3.5 59 30 23760 80 24 -23.6 -4.2 | 100 36 -35.1 6.5 60 30 23774 65 28 -25.4 -11.8 | 88 37 -36.8 -1.2 61 26 24384 105 23 -22.2 6.0 | 116 38 -33.6 16.6 62 21 25298 95 25 -24.9 2.2 | 109 39 -36.3 12.8 Wind Parameters Mean winds (0-6000m): 283.0 at 20.8 knts Storm direction: 313.0 at 15.6 knts Shear (0-3000m) pos: 0.0 neg: 4.7 tot: 4.7 10-3/s Storm rel Dir Shear (0-3000m): 121.9 deg Storm rel helicity (0-3000m) pos: 11.9 neg: -48.8 tot: -36.9 m^2/s^2 ave: -12.3 10^-3 m/s^2 rel: -0.49 Storm rel vorticity (0-3000m) horiz: 8.0 stream: -3.9 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 2.28 Bulk Shear: 55.42 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 ------------------------------------------------------------------------------- 500 352 14 74 10| 0.0 12.2 12.2| 0.0 -20.2 -20.2 -40.5 -0.61| 13.5 -8.3 1000 343 16 55 8| 0.0 6.7 6.7| 1.1 -24.4 -23.3 -23.3 -0.52| 9.2 -4.8 1500 338 17 45 7| 0.0 6.0 6.0| 1.1 -32.0 -30.9 -20.6 -0.60| 8.7 -5.2 2000 328 17 31 5| 0.0 5.5 5.5| 1.1 -44.9 -43.7 -21.9 -0.65| 9.7 -6.4 2500 317 17 356 2| 0.0 5.0 5.0| 11.0 -48.8 -37.7 -15.1 -0.53| 9.0 -4.8 3000 307 17 264 3| 0.0 4.7 4.7| 11.9 -48.8 -36.9 -12.3 -0.49| 8.0 -3.9 4000 292 18 236 7| 0.1 3.6 3.8| 18.7 -48.9 -30.2 -7.5 -0.44| 6.3 -2.8 5000 284 19 232 9| 0.7 2.9 3.6| 45.2 -48.9 -3.6 -0.7 -0.28| 5.7 -1.6 6000 283 21 236 11| 0.9 2.4 3.4| 75.1 -56.3 18.8 3.1 -0.16| 5.6 -0.9 Wrote GIF file: /home/apache/climate/data/raob//SBVT/skewt/SBVT.skewt.20251203.12.gif