UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041712.upa.cvt Date: 1200Z 17 APR 25 Searching for SBBR... Searching the city database file for: SBBR ... Date:1200Z 17 APR 25 Station: SBBR WMO ident: 83378 Latitude: -15.87 Longitude: -47.93 Elevation: 1061.00 ------------------------------------------------------------------------------- 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 ------------------------------------------------------------------------------- 0 1000 121 1 925 817 SFC 899 1061 22.6 18.8 79 3.8 19.9 20 2 304.9 307.7 296.8 350.8 15.37 3 879 1258 20.0 18.9 93 1.1 19.2 350 4 304.2 307.1 296.9 351.3 15.83 4 874 1307 20.8 16.5 76 4.3 17.8 342 4 305.5 308.0 295.8 346.3 13.64 5 850 1550 19.8 14.8 73 5.0 16.4 305 6 306.9 309.2 295.4 344.7 12.55 6 828 1776 18.8 12.8 68 6.0 14.8 303 6 308.1 310.3 294.9 342.3 11.29 7 700 3200 10.0 6.8 80 3.2 8.0 325 12 313.6 315.3 294.6 341.2 8.90 8 664 3637 7.2 5.4 88 1.8 6.1 316 12 315.2 316.8 294.7 341.8 8.51 9 605 4398 4.2 0.5 77 3.7 2.1 304 14 320.2 321.5 294.6 341.3 6.58 10 542 5282 -2.5 -3.2 95 0.7 -2.9 276 11 322.5 323.6 294.5 340.6 5.58 11 513 5718 -3.7 -7.7 74 4.0 -5.5 270 13 326.1 327.0 294.3 340.1 4.18 12 500 5920 -5.3 -8.3 79 3.0 -6.7 275 14 326.6 327.4 294.4 340.3 4.09 13 459 6590 -9.5 -11.6 85 2.1 -10.4 285 15 329.4 330.1 294.6 341.1 3.43 14 452 6709 -9.9 -13.0 78 3.1 -11.2 295 14 330.4 331.0 294.6 341.0 3.11 15 445 6830 -9.7 -14.4 69 4.7 -11.6 290 15 332.1 332.7 294.8 341.9 2.82 16 400 7650 -14.5 -21.5 55 7.0 -16.7 265 19 336.1 336.5 294.8 342.3 1.72 17 394 7764 -14.9 -25.9 39 11.0 -18.0 264 19 337.1 337.3 294.7 341.4 1.18 18 348 8689 -22.9 -37.9 24 15.0 -25.4 271 14 338.4 338.5 294.3 340.1 0.42 19 345 8752 -23.3 -28.2 64 4.9 -24.4 276 13 338.7 339.0 295.0 342.8 1.09 20 335 8966 -25.1 -33.1 47 8.0 -26.6 284 11 339.1 339.3 294.7 341.8 0.70 21 333 9010 -25.3 -29.9 65 4.6 -26.3 284 11 339.4 339.6 295.0 343.0 0.96 22 325 9186 -26.1 -32.1 57 6.0 -27.3 283 11 340.7 340.9 295.2 343.7 0.80 23 300 9760 -30.3 -33.8 71 3.5 -30.9 280 10 342.7 342.8 295.6 345.5 0.73 24 268 10552 -36.5 -39.1 77 2.6 -36.8 267 24 344.9 345.0 295.9 346.8 0.48 25 266 10604 -36.9 -43.9 48 7.0 -37.6 266 25 345.0 345.1 295.8 346.2 0.29 26 250 11030 -40.9 -44.9 65 4.0 -41.2 270 22 345.3 345.3 295.8 346.4 0.28 27 200 12500 -54.1 -58.2 61 4.1 -54.2 270 17 347.1 347.1 296.1 347.4 0.07 28 192 12760 -56.7 -59.1 74 2.4 -56.8 278 17 347.0 347.0 296.0 347.3 0.07 29 188 12893 -57.7 -62.4 55 4.7 -57.8 283 17 347.5 347.5 296.1 347.7 0.05 30 179 13201 -60.7 -62.9 75 2.2 -60.7 291 16 347.5 347.5 296.1 347.7 0.05 31 168 13593 -63.1 -75.1 18 12.0 -63.2 286 18 349.9 349.9 296.6 349.9 0.01 32 164 13741 -61.9 -81.9 5 20.0 -62.0 278 21 354.3 354.3 297.5 354.3 0.00 33 151 14249 -64.3 -81.3 8 17.0 -64.4 246 28 358.6 358.6 298.4 358.6 0.00 34 150 14290 -64.7 -80.7 9 16.0 -64.8 245 27 358.6 358.6 298.4 358.6 0.00 35 101 16594 -82.1 -87.1 42 5.0 -82.1 235 25 368.1 368.1 300.2 368.1 0.00 36 100 16650 -81.7 -87.7 35 6.0 -81.7 240 23 369.9 369.9 300.5 369.9 0.00 37 97 16821 -82.5 -88.5 35 6.0 -82.5 240 24 371.6 371.6 300.8 371.6 0.00 38 94 16997 -82.3 -89.3 29 7.0 -82.3 240 26 375.3 375.3 301.5 375.3 0.00 39 91 17182 -77.9 -86.9 22 9.0 -77.9 243 24 387.5 387.5 303.4 387.5 0.00 40 78 18054 -83.5 -89.5 34 6.0 -83.5 285 14 393.4 393.4 304.3 393.4 0.00 41 70 18670 -75.3 -89.3 9 14.0 -75.3 350 5 423.3 423.3 308.1 423.3 0.00 42 67 18924 -72.9 -88.9 7 16.0 -73.0 340 11 433.8 433.8 309.3 433.8 0.00 43 60 19572 -69.9 -89.9 4 20.0 -70.0 267 15 454.4 454.4 311.3 454.5 0.00 44 58 19773 -70.3 -89.3 5 19.0 -70.4 217 11 458.0 458.0 311.6 458.0 0.00 45 51 20541 -66.5 -89.5 3 23.0 -66.7 212 7 484.0 484.0 313.8 484.0 0.00 46 50 20660 -66.9 -89.9 3 23.0 -67.1 185 3 485.8 485.8 313.9 485.8 0.00 47 39 22165 -65.7 -90.7 2 25.0 -66.1 99 14 524.6 524.6 316.6 524.7 0.00 48 38 22323 -65.7 -90.7 2 25.0 -66.1 95 15 528.6 528.6 316.8 528.6 0.00 49 31 23581 -58.7 -88.7 1 30.0 -59.7 95 24 579.2 579.2 319.6 579.2 0.00 TRP 78 18054 -83.5 -89.5 34 6.0 -83.5 285 14 393.4 393.4 304.3 393.4 0.00 WND Sounding variables and indices 1000-500 mb thick: 5799.00 m Freezing level: 565.51 mb = 4952.19 m = 16247.15 ft Wetbulb zero: 578.07 mb = 4764.12 m = 15630.13 ft Precipitable water: 1.59 inches Sfc-500 mean rel hum: 80.13 % Est. max temperature: 28.91 C = 84.04 F Sfc-Lift cond lev (LCL): 850.37 mb = 1546.23 m = 5072.87 ft T: 19.82 C 700-500 lapse rate: 5.62 C/km ThetaE index: 10.11 C Layer 874.0- 664.0 mb Conv cond level (CCL): 740.25 mb = 2726.00 m = 8943.48 ft Mean mixing ratio: 12.76 g/kg Conv temperature: 29.28 C = 84.70 F Cap Strength: 2.52 C Lifted Index: -0.63 C Risk: Thunderstorms probable Lifted Index @300 mb: 0.68 C Lifted Index @700 mb: 0.72 C Showalter Index: -0.40 C Risk: Thunderstorms probable Total Totals Index: 45.20 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 25.10 C Cross Totals Index: 20.10 C K Index: 36.70 Risk: > 80 % chance of thunderstorms Sweat Index: 203.60 Risk: None Energy Index: -0.90 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 80.34 J/kg Max Up Vert Vel: 12.68 m/s Conv Inhibition (B-): 104.17 J/kg Cap Strength: 2.52 C Lift Cond Lev (LCL): 792.79 mb = 2144.60 m = 7036.01 ft Lev Free Conv (LFC): 577.79 mb = 4767.92 m = 15642.58 ft Equ Level (EL): 437.79 mb = 6955.89 m = 22820.89 ft B at Equ Level: 73.35 J/kg Max Parcel Lev (MPL): 267.79 mb = 10557.65 m = 34637.54 ft Wind level data Storm motion: 323 at 8 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 ---------------------------------------------------------- 0 899 1061 20 2 -0.7 -1.9 | 130 7 -5.7 4.8 1 850 1550 305 6 4.9 -3.4 | 179 3 -0.1 3.2 2 794 2134 300 6 5.2 -3.0 | 183 4 0.2 3.7 3 766 2438 285 8 7.7 -2.1 | 211 5 2.7 4.6 4 739 2743 290 10 9.4 -3.4 | 234 5 4.4 3.2 5 700 3200 325 12 6.9 -9.8 | 329 4 1.9 -3.2 6 687 3353 325 12 6.9 -9.8 | 329 4 1.9 -3.2 7 637 3962 305 11 9.0 -6.3 | 265 4 4.0 0.4 8 613 4267 300 14 12.1 -7.0 | 273 7 7.1 -0.3 9 591 4572 310 13 10.0 -8.4 | 289 5 5.0 -1.7 10 528 5486 265 11 11.0 1.0 | 218 10 6.0 7.6 11 500 5920 275 14 13.9 -1.2 | 239 10 9.0 5.4 12 489 6096 270 16 16.0 -0.0 | 239 13 11.0 6.7 13 470 6401 270 16 16.0 -0.0 | 239 13 11.0 6.7 14 452 6706 295 14 12.7 -5.9 | 264 8 7.7 0.8 15 402 7620 260 19 18.7 3.3 | 234 17 13.7 10.0 16 400 7650 265 19 18.9 1.7 | 239 16 13.9 8.3 17 370 8230 260 17 16.7 3.0 | 231 15 11.8 9.6 18 355 8534 260 16 15.8 2.8 | 229 14 10.8 9.4 19 340 8839 285 11 10.6 -2.8 | 236 7 5.6 3.8 20 300 9760 280 10 9.8 -1.7 | 225 7 4.9 4.9 21 287 10058 290 12 11.3 -4.1 | 248 7 6.3 2.6 22 275 10363 270 20 20.0 -0.0 | 246 16 15.0 6.7 23 263 10668 265 26 25.9 2.3 | 247 23 20.9 8.9 24 250 11030 270 22 22.0 -0.0 | 249 18 17.0 6.7 25 200 12497 255 19 18.4 4.9 | 229 18 13.4 11.6 26 200 12500 270 17 17.0 -0.0 | 241 14 12.0 6.7 27 181 13106 290 17 16.0 -5.8 | 266 11 11.0 0.9 28 173 13411 295 15 13.6 -6.3 | 268 9 8.6 0.3 29 164 13716 280 20 19.7 -3.5 | 258 15 14.7 3.2 30 157 14021 250 33 31.0 11.3 | 235 32 26.0 18.0 31 150 14290 245 27 24.5 11.4 | 227 27 19.5 18.1 32 134 14935 245 20 18.1 8.5 | 221 20 13.1 15.1 33 127 15240 255 17 16.4 4.4 | 226 16 11.4 11.1 34 115 15850 270 23 23.0 -0.0 | 250 19 18.0 6.7 35 103 16459 225 28 19.8 19.8 | 209 30 14.8 26.5 36 100 16650 240 23 19.9 11.5 | 219 24 14.9 18.2 37 93 17069 240 26 22.5 13.0 | 222 26 17.5 19.7 38 83 17678 255 14 13.5 3.6 | 220 13 8.5 10.3 39 79 17983 285 14 13.5 -3.6 | 250 9 8.5 3.0 40 78 18054 285 14 13.5 -3.6 | 250 9 8.5 3.0 41 75 18288 290 13 12.2 -4.4 | 253 8 7.2 2.2 42 71 18593 325 17 9.8 -13.9 | 327 9 4.8 -7.3 43 70 18670 350 5 0.9 -4.9 | 113 4 -4.1 1.7 44 64 19202 330 17 8.5 -14.7 | 336 9 3.5 -8.1 45 61 19507 285 16 15.5 -4.1 | 256 11 10.5 2.5 46 58 19812 210 11 5.5 9.5 | 182 16 0.5 16.2 47 52 20422 240 11 9.5 5.5 | 200 13 4.5 12.2 48 50 20660 185 3 0.3 3.0 | 154 11 -4.7 9.7 49 49 20726 270 1 1.0 -0.0 | 149 8 -4.0 6.7 50 41 21641 105 12 -11.6 3.1 | 121 19 -16.6 9.8 51 36 22250 85 18 -17.9 -1.6 | 103 23 -22.9 5.1 52 33 22555 100 18 -17.7 3.1 | 113 25 -22.7 9.8 53 31 22860 100 25 -24.6 4.3 | 110 32 -29.6 11.0 54 29 23165 70 19 -17.9 -6.5 | 90 23 -22.8 0.2 55 26 23774 80 22 -21.7 -3.8 | 96 27 -26.6 2.8 Wind Parameters Mean winds (0-6000m): 293.3 at 11.1 knts Storm direction: 323.3 at 8.3 knts Shear (0-3000m) pos: 1.1 neg: 2.0 tot: 3.0 10-3/s Storm rel Dir Shear (0-3000m): 138.8 deg Storm rel helicity (0-3000m) pos: 15.5 neg: -4.8 tot: 10.7 m^2/s^2 ave: 3.6 10^-3 m/s^2 rel: 0.41 Storm rel vorticity (0-3000m) horiz: 4.1 stream: 1.7 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 10.12 Bulk Shear: 7.93 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 ------------------------------------------------------------------------------- 500 321 4 145 4| 0.0 6.0 6.0| 2.9 -0.9 2.0 3.9 0.41| 6.9 2.8 1000 309 5 163 4| 0.0 3.1 3.1| 3.1 -0.9 2.2 2.2 0.41| 3.7 1.5 1500 301 6 179 4| 0.0 3.1 3.1| 6.6 -0.9 5.7 3.8 0.55| 3.7 2.0 2000 300 7 197 3| 1.4 2.3 3.7| 13.1 -0.9 12.1 6.1 0.68| 4.3 2.9 2500 307 8 215 2| 1.3 1.9 3.1| 15.1 -2.3 12.8 5.1 0.60| 4.2 2.5 3000 308 9 230 2| 1.1 2.0 3.0| 15.5 -4.8 10.7 3.6 0.41| 4.1 1.7 4000 306 10 250 3| 1.0 1.8 2.8| 18.8 -12.6 6.2 1.5 0.21| 4.4 0.9 5000 298 10 245 4| 1.0 1.7 2.7| 28.0 -20.1 8.0 1.6 0.17| 4.4 0.7 6000 293 11 246 6| 1.0 1.5 2.5| 39.7 -24.8 15.0 2.5 0.18| 4.6 0.8 Wrote GIF file: /home/apache/climate/data/raob//SBBR/skewt/SBBR.skewt.20250417.12.gif