UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041512.upa.cvt Date: 1200Z 15 APR 25 Searching for SBVT... Searching the city database file for: SBVT ... Date:1200Z 15 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 1015 4 26.4 18.4 61 8.0 20.9 210 11 298.3 300.7 293.5 336.7 13.23 1 1000 133 25.0 17.0 61 8.0 19.6 215 11 298.1 300.4 292.7 333.8 12.28 2 943 645 20.0 15.8 77 4.2 17.2 205 18 298.1 300.3 292.6 333.1 12.06 3 925 812 19.8 12.8 64 7.0 15.3 205 25 299.6 301.4 291.5 329.1 10.09 4 883 1212 17.8 15.1 84 2.7 16.0 249 9 301.5 303.8 293.7 337.8 12.31 5 850 1539 17.0 14.2 84 2.8 15.1 245 12 304.0 306.2 294.3 339.9 12.07 6 815 1898 15.8 11.6 76 4.2 13.1 239 11 306.4 308.3 293.9 338.2 10.59 7 700 3174 7.6 4.4 80 3.2 5.8 270 12 310.9 312.3 292.8 334.1 7.51 8 674 3485 6.4 3.7 83 2.7 4.8 269 17 312.9 314.4 293.3 336.1 7.43 9 661 3645 6.0 -2.0 56 8.0 1.9 261 18 314.2 315.2 291.7 330.1 5.00 10 591 4552 0.0 -7.0 59 7.0 -3.2 276 25 317.5 318.2 291.7 329.9 3.83 11 587 4607 0.0 -11.0 43 11.0 -4.6 277 25 318.1 318.6 291.0 327.4 2.81 12 579 4717 -0.7 -7.7 59 7.0 -3.9 277 26 318.5 319.3 291.9 330.6 3.70 13 560 4983 -1.5 -26.5 13 25.0 -8.7 279 27 320.6 320.8 289.8 323.4 0.78 14 542 5243 -2.9 -34.9 6 32.0 -10.4 279 28 322.0 322.1 289.8 323.3 0.36 15 532 5390 -3.5 -35.5 6 32.0 -10.9 274 29 323.0 323.1 290.0 324.3 0.35 16 528 5450 -2.7 -39.7 4 37.0 -10.6 273 29 324.6 324.7 290.4 325.5 0.23 17 500 5880 -5.7 -42.7 4 37.0 -12.8 260 32 326.1 326.1 290.8 326.8 0.18 18 400 7590 -16.9 -55.9 2 39.0 -21.4 260 44 333.0 333.0 292.6 333.2 0.05 19 370 8170 -21.3 -48.3 7 27.0 -24.6 256 47 334.7 334.7 293.1 335.2 0.13 20 300 9690 -29.7 -57.7 5 28.0 -31.9 250 57 343.5 343.5 295.2 343.7 0.05 21 299 9714 -29.9 -57.9 5 28.0 -32.1 250 57 343.6 343.6 295.2 343.8 0.05 22 250 10960 -41.7 -59.7 12 18.0 -42.5 250 58 344.1 344.1 295.3 344.3 0.05 23 246 11069 -42.5 -53.5 29 11.0 -43.1 249 59 344.5 344.5 295.5 344.9 0.11 24 231 11490 -45.9 -53.3 43 7.4 -46.3 245 64 345.5 345.6 295.7 346.0 0.12 25 221 11782 -48.3 -53.1 57 4.8 -48.5 245 63 346.3 346.3 295.9 346.8 0.12 26 213 12024 -50.5 -62.5 23 12.0 -50.8 245 62 346.5 346.5 295.9 346.7 0.04 27 200 12430 -54.3 -63.3 32 9.0 -54.5 245 60 346.8 346.8 296.0 346.9 0.04 28 182 13027 -59.1 -66.1 40 7.0 -59.2 245 61 348.4 348.5 296.3 348.6 0.03 29 150 14220 -65.7 -79.7 13 14.0 -65.8 245 55 356.9 356.9 298.1 356.9 0.00 30 147 14342 -66.7 -80.7 12 14.0 -66.8 244 54 357.2 357.2 298.1 357.3 0.00 31 101 16543 -79.1 -87.1 26 8.0 -79.1 247 36 373.8 373.8 301.2 373.8 0.00 32 100 16600 -79.3 -87.3 26 8.0 -79.3 245 35 374.5 374.5 301.4 374.5 0.00 33 99 16657 -79.7 -87.7 25 8.0 -79.7 245 35 374.8 374.8 301.4 374.8 0.00 34 75 18240 -76.7 -89.7 11 13.0 -76.7 281 17 412.1 412.1 306.7 412.1 0.00 35 70 18640 -73.7 -89.7 7 16.0 -73.7 280 16 426.7 426.7 308.5 426.7 0.00 36 56 19965 -66.7 -89.7 3 23.0 -66.9 337 15 470.8 470.8 312.7 470.8 0.00 37 51 20530 -67.1 -90.1 2 23.0 -67.3 15 5 482.6 482.6 313.7 482.6 0.00 38 50 20650 -65.3 -90.3 2 25.0 -65.6 85 9 489.6 489.6 314.2 489.6 0.00 39 33 23229 -57.5 -86.5 1 29.0 -58.6 77 15 572.1 572.1 319.3 572.1 0.01 40 30 23830 -58.3 -87.3 1 29.0 -59.4 90 22 585.7 585.7 319.9 585.7 0.01 41 20 26420 -50.1 -84.1 1 34.0 -53.5 85 37 682.8 682.8 323.9 682.9 0.02 42 15 28315 -46.5 -81.5 1 35.0 -52.0 100 38 753.3 753.4 326.0 753.6 0.03 TRP 99 16657 -79.7 -87.7 25 8.0 -79.7 245 35 374.8 374.8 301.4 374.8 0.00 WND 231 11490 -45.9 -53.3 43 7.4 -46.3 245 64 345.5 345.6 295.7 346.0 0.12 Sounding variables and indices 1000-500 mb thick: 5747.00 m Freezing level: 587.00 mb = 4606.70 m = 15113.66 ft Wetbulb zero: 634.98 mb = 3970.47 m = 13026.33 ft Precipitable water: 1.62 inches Sfc-500 mean rel hum: 59.36 % Est. max temperature: 30.96 C = 87.73 F Sfc-Lift cond lev (LCL): 903.24 mb = 1017.15 m = 3337.07 ft T: 18.78 C 700-500 lapse rate: 4.92 C/km ThetaE index: 7.60 C Layer 1000.0- 883.0 mb Conv cond level (CCL): 763.79 mb = 2442.27 m = 8012.61 ft Mean mixing ratio: 11.85 g/kg Conv temperature: 36.49 C = 97.68 F Cap Strength: 4.49 C Lifted Index: 4.12 C Risk: None Lifted Index @300 mb: 8.72 C Lifted Index @700 mb: 2.25 C Showalter Index: 1.14 C Risk: Showers probable Total Totals Index: 42.60 C Risk: None Vertical Totals Index: 22.70 C Cross Totals Index: 19.90 C K Index: 33.70 Risk: 60-80 % chance of thunderstorms Sweat Index: 226.40 Risk: None Energy Index: -2.45 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 6.30 J/kg Max Up Vert Vel: 3.55 m/s Conv Inhibition (B-): 36602.15 J/kg Cap Strength: 4.35 C Lift Cond Lev (LCL): 878.89 mb = 1252.45 m = 4109.03 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 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 1015 4 210 11 5.5 9.5 | 152 16 -7.5 14.1 1 1000 133 215 11 6.3 9.0 | 154 15 -6.7 13.6 2 980 305 210 11 5.5 9.5 | 152 16 -7.5 14.1 3 947 610 205 16 6.8 14.5 | 162 20 -6.3 19.1 4 925 812 205 25 10.6 22.7 | 175 27 -2.5 27.2 5 914 914 210 26 13.0 22.5 | 180 27 -0.0 27.1 6 882 1219 250 9 8.5 3.1 | 149 9 -4.6 7.6 7 851 1524 255 11 10.6 2.8 | 162 8 -2.4 7.4 8 850 1539 245 12 10.9 5.1 | 167 10 -2.2 9.6 9 821 1829 235 12 9.8 6.9 | 164 12 -3.2 11.4 10 792 2134 255 9 8.7 2.3 | 148 8 -4.3 6.9 11 764 2438 255 11 10.6 2.8 | 162 8 -2.4 7.4 12 711 3048 270 11 11.0 -0.0 | 156 5 -2.0 4.6 13 700 3174 270 12 12.0 -0.0 | 167 5 -1.0 4.6 14 685 3353 275 17 16.9 -1.5 | 232 5 3.9 3.1 15 659 3658 260 18 17.7 3.1 | 211 9 4.7 7.7 16 635 3962 275 19 18.9 -1.7 | 244 7 5.9 2.9 17 611 4267 275 24 23.9 -2.1 | 257 11 10.9 2.5 18 545 5182 280 28 27.6 -4.9 | 271 15 14.5 -0.3 19 500 5880 260 32 31.5 5.6 | 241 21 18.5 10.1 20 486 6096 260 31 30.5 5.4 | 240 20 17.5 9.9 21 400 7590 260 44 43.3 7.6 | 248 33 30.3 12.2 22 398 7620 260 43 42.3 7.5 | 248 32 29.3 12.0 23 366 8230 255 48 46.4 12.4 | 243 37 33.3 17.0 24 310 9449 245 46 41.7 19.4 | 230 37 28.7 24.0 25 300 9690 250 57 53.6 19.5 | 239 47 40.5 24.0 26 250 10960 250 58 54.5 19.8 | 240 48 41.5 24.4 27 231 11490 245 64 58.0 27.0 | 235 55 45.0 31.6 28 228 11582 245 64 58.0 27.0 | 235 55 45.0 31.6 29 200 12430 245 60 54.4 25.4 | 234 51 41.3 29.9 30 155 14021 245 62 56.2 26.2 | 235 53 43.2 30.8 31 150 14220 245 55 49.8 23.2 | 233 46 36.8 27.8 32 140 14630 240 50 43.3 25.0 | 226 42 30.3 29.6 33 126 15240 255 38 36.7 9.8 | 239 28 23.7 14.4 34 114 15850 270 42 42.0 -0.0 | 261 29 29.0 4.6 35 100 16600 245 35 31.7 14.8 | 224 27 18.7 19.3 36 99 16657 245 35 31.7 14.8 | 224 27 18.7 19.3 37 97 16764 245 35 31.7 14.8 | 224 27 18.7 19.3 38 92 17069 245 24 21.8 10.1 | 211 17 8.7 14.7 39 87 17374 290 26 24.4 -8.9 | 291 12 11.4 -4.3 40 79 17983 285 31 29.9 -8.0 | 282 17 16.9 -3.5 41 74 18288 280 15 14.8 -2.6 | 222 3 1.7 1.9 42 71 18593 300 23 19.9 -11.5 | 315 10 6.9 -6.9 43 70 18640 280 16 15.8 -2.8 | 237 3 2.7 1.8 44 67 18898 280 22 21.7 -3.8 | 265 9 8.6 0.7 45 61 19507 5 1 -0.1 -1.0 | 105 14 -13.1 3.6 46 58 19812 350 11 1.9 -10.8 | 61 13 -11.1 -6.3 47 55 20117 325 18 10.3 -14.7 | 15 11 -2.7 -10.2 48 52 20422 310 1 0.8 -0.6 | 108 13 -12.3 3.9 49 50 20650 85 9 -9.0 -0.8 | 100 22 -22.0 3.8 50 49 20726 85 11 -11.0 -1.0 | 99 24 -24.0 3.6 51 45 21336 85 15 -14.9 -1.3 | 97 28 -28.0 3.2 52 43 21641 105 17 -16.4 4.4 | 107 31 -29.4 9.0 53 41 21946 65 16 -14.5 -6.8 | 85 28 -27.5 -2.2 54 35 22860 90 16 -16.0 0.0 | 99 29 -29.0 4.6 55 33 23165 70 14 -13.2 -4.8 | 89 26 -26.2 -0.2 56 32 23470 100 18 -17.7 3.1 | 104 32 -30.8 7.7 57 30 23830 90 22 -22.0 0.0 | 97 35 -35.0 4.6 58 29 24079 75 16 -15.5 -4.1 | 91 28 -28.5 0.4 59 28 24384 90 23 -23.0 0.0 | 97 36 -36.0 4.6 60 25 24994 80 30 -29.5 -5.2 | 89 43 -42.6 -0.7 61 20 26420 85 37 -36.9 -3.2 | 92 50 -49.9 1.3 62 18 26822 75 38 -36.7 -9.8 | 84 50 -49.7 -5.3 63 15 27432 100 37 -36.4 6.4 | 103 51 -49.5 11.0 64 13 28042 95 45 -44.8 3.9 | 98 58 -57.9 8.5 65 12 28346 95 42 -41.8 3.7 | 99 55 -54.9 8.2 Wind Parameters Mean winds (0-6000m): 259.3 at 18.4 knts Storm direction: 289.3 at 13.8 knts Shear (0-3000m) pos: 2.5 neg: 0.8 tot: 3.3 10-3/s Storm rel Dir Shear (0-3000m): 5.0 deg Storm rel helicity (0-3000m) pos: 80.6 neg: -29.2 tot: 51.4 m^2/s^2 ave: 17.1 10^-3 m/s^2 rel: 0.11 Storm rel vorticity (0-3000m) horiz: 9.0 stream: 1.0 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.25 Bulk Shear: 25.26 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 ------------------------------------------------------------------------------- 500 211 12 154 16| 0.0 3.4 3.4| 11.3 -1.6 9.8 19.6 0.45| 5.0 2.2 1000 209 16 165 20| 4.2 1.7 5.9| 72.5 -1.6 70.9 70.9 0.48| 12.7 6.1 1500 216 15 166 17| 3.7 1.1 4.8| 75.2 -20.9 54.2 36.2 0.17| 13.7 2.3 2000 221 14 166 16| 2.7 1.1 3.9| 77.3 -25.8 51.5 25.8 0.13| 12.0 1.5 2500 226 13 166 14| 2.6 0.9 3.5| 80.6 -28.3 52.3 20.9 0.13| 10.3 1.3 3000 232 13 167 13| 2.5 0.8 3.3| 80.6 -29.2 51.4 17.1 0.11| 9.0 1.0 4000 244 14 176 11| 2.3 1.0 3.3| 95.5 -32.0 63.5 15.9 0.21| 8.6 1.8 5000 255 16 195 9| 2.5 0.8 3.3|107.7 -32.0 75.7 15.1 0.25| 7.7 1.9 6000 259 18 212 9| 2.1 1.5 3.6|108.9 -74.5 34.4 5.7 0.11| 7.5 0.8 Wrote GIF file: /home/apache/climate/data/raob//SBVT/skewt/SBVT.skewt.20250415.12.gif