UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041812.upa.cvt Date: 1200Z 18 APR 25 Searching for SBCG... Searching the city database file for: SBCG ... Date:1200Z 18 APR 25 Station: SBCG WMO ident: 83612 Latitude: -20.47 Longitude: -54.67 Elevation: 556.00 ------------------------------------------------------------------------------- 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 108 SFC 950 556 22.6 21.8 95 0.8 22.1 120 1 300.1 303.3 297.0 351.6 17.57 2 925 791 22.4 20.6 90 1.8 21.1 10 10 302.2 305.3 297.0 351.7 16.74 3 850 1523 18.4 15.1 81 3.3 16.2 320 14 305.4 307.8 295.2 343.7 12.80 4 837 1655 18.2 13.9 76 4.3 15.3 318 15 306.6 308.8 295.0 342.7 12.02 5 810 1937 16.8 13.1 79 3.7 14.3 313 17 308.0 310.2 295.2 343.6 11.78 6 700 3169 9.8 7.7 87 2.1 8.5 295 20 313.3 315.1 295.0 342.7 9.47 7 587 4612 1.4 -0.7 86 2.1 0.3 281 27 319.7 320.9 294.2 339.7 6.21 8 536 5341 -2.7 -12.7 46 10.0 -6.8 266 28 323.3 323.8 292.3 332.3 2.69 9 521 5566 -4.3 -10.3 63 6.0 -6.9 268 25 324.0 324.6 293.1 335.1 3.35 10 516 5642 -4.5 -9.4 69 4.9 -6.7 269 25 324.6 325.3 293.5 336.7 3.64 11 500 5890 -5.5 -11.5 63 6.0 -8.0 270 23 326.3 327.0 293.6 337.0 3.17 12 498 5921 -5.7 -11.7 63 6.0 -8.2 271 23 326.5 327.1 293.6 337.1 3.14 13 489 6064 -5.9 -16.9 41 11.0 -9.9 278 25 327.9 328.3 293.1 335.1 2.08 14 476 6274 -6.5 -35.5 8 29.0 -13.2 279 27 329.7 329.8 292.0 331.2 0.39 15 468 6406 -7.1 -31.1 13 24.0 -13.2 278 29 330.6 330.7 292.5 332.8 0.61 16 400 7600 -18.3 -29.3 37 11.0 -20.8 270 45 331.2 331.4 292.9 334.3 0.85 17 395 7694 -19.3 -29.3 41 10.0 -21.5 269 47 331.1 331.3 292.9 334.2 0.86 18 377 8039 -22.1 -28.1 58 6.0 -23.4 267 53 331.8 332.0 293.2 335.5 1.00 19 370 8177 -20.7 -24.6 71 3.9 -21.7 265 55 335.5 335.8 294.4 340.6 1.41 20 356 8461 -22.7 -24.8 83 2.1 -23.2 260 52 336.5 336.8 294.7 341.7 1.44 21 318 9283 -27.1 -30.8 71 3.7 -27.9 239 36 341.5 341.6 295.5 344.9 0.92 22 300 9700 -30.3 -33.7 72 3.4 -30.9 230 46 342.7 342.8 295.6 345.5 0.74 23 270 10441 -36.5 -39.4 74 2.9 -36.8 230 54 344.1 344.2 295.7 346.0 0.46 24 250 10970 -40.7 -44.3 68 3.6 -41.0 230 49 345.6 345.6 295.9 346.8 0.30 25 200 12450 -52.9 -57.9 55 5.0 -53.1 240 55 349.0 349.0 296.5 349.3 0.08 26 178 13191 -59.3 -63.8 56 4.5 -59.4 238 66 350.3 350.3 296.7 350.5 0.04 27 160 13850 -65.3 -70.2 51 4.9 -65.4 236 75 351.1 351.1 296.9 351.1 0.02 28 150 14240 -68.5 -73.5 48 5.0 -68.5 235 81 352.1 352.1 297.1 352.1 0.01 29 143 14525 -70.7 -75.2 51 4.5 -70.8 240 82 353.1 353.1 297.3 353.1 0.01 30 140 14651 -71.7 -76.0 52 4.3 -71.7 240 82 353.5 353.5 297.4 353.5 0.01 31 130 15088 -72.3 -81.3 25 9.0 -72.3 245 79 360.0 360.0 298.7 360.0 0.00 32 110 16069 -73.5 -86.5 12 13.0 -73.5 253 43 375.3 375.3 301.5 375.4 0.00 33 101 16563 -77.7 -87.7 18 10.0 -77.7 268 22 376.5 376.5 301.7 376.5 0.00 34 100 16620 -77.7 -87.7 18 10.0 -77.7 275 24 377.6 377.6 301.9 377.6 0.00 35 93 17033 -79.7 -88.7 21 9.0 -79.7 279 30 381.6 381.6 302.5 381.6 0.00 TRP WND 143 14525 -70.7 -75.2 51 4.5 -70.8 240 82 353.1 353.1 297.3 353.1 0.01 Sounding variables and indices 1000-500 mb thick: 5782.00 m Freezing level: 569.59 mb = 4861.08 m = 15948.22 ft Wetbulb zero: 585.16 mb = 4637.63 m = 15215.15 ft Precipitable water: 1.84 inches Sfc-500 mean rel hum: 79.37 % Est. max temperature: 30.78 C = 87.41 F Sfc-Lift cond lev (LCL): 939.31 mb = 655.70 m = 2151.22 ft T: 22.52 C 700-500 lapse rate: 5.62 C/km ThetaE index: 11.33 C Layer 700.0- 521.0 mb Conv cond level (CCL): 820.12 mb = 1830.08 m = 6004.14 ft Mean mixing ratio: 15.34 g/kg Conv temperature: 29.80 C = 85.65 F Cap Strength: 1.31 C Lifted Index: -2.06 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -1.20 C Lifted Index @700 mb: -0.42 C Showalter Index: -0.19 C Risk: Thunderstorms probable Total Totals Index: 44.50 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 23.90 C Cross Totals Index: 20.60 C K Index: 36.90 Risk: > 80 % chance of thunderstorms Sweat Index: 232.20 Risk: None Energy Index: -1.32 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 643.06 J/kg Max Up Vert Vel: 35.86 m/s Conv Inhibition (B-): 43.71 J/kg Cap Strength: 1.31 C Lift Cond Lev (LCL): 871.27 mb = 1309.00 m = 4294.56 ft Lev Free Conv (LFC): 726.27 mb = 2857.86 m = 9376.07 ft Equ Level (EL): 216.27 mb = 11931.14 m = 39143.67 ft B at Equ Level: 642.60 J/kg Max Parcel Lev (MPL): 116.27 mb = 15742.98 m = 51649.56 ft Wind level data Storm motion: 320 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 ---------------------------------------------------------- 0 950 556 120 1 -0.9 0.5 | 139 17 -11.0 12.5 1 944 610 10 10 -1.7 -9.8 | 101 12 -11.8 2.2 2 925 791 10 10 -1.7 -9.8 | 101 12 -11.8 2.2 3 912 914 345 10 2.6 -9.7 | 108 8 -7.5 2.4 4 880 1219 330 12 6.0 -10.4 | 112 4 -4.1 1.7 5 850 1523 320 14 9.0 -10.7 | 141 2 -1.1 1.3 6 791 2134 310 18 13.8 -11.6 | 263 4 3.7 0.5 7 763 2438 300 18 15.6 -9.0 | 241 6 5.5 3.0 8 736 2743 290 19 17.9 -6.5 | 234 10 7.8 5.5 9 700 3169 295 20 18.1 -8.5 | 246 9 8.0 3.6 10 659 3658 305 20 16.4 -11.5 | 265 6 6.3 0.6 11 611 4267 290 26 24.4 -8.9 | 258 15 14.3 3.2 12 546 5182 265 29 28.9 2.5 | 232 24 18.8 14.6 13 506 5791 270 23 23.0 -0.0 | 227 18 12.9 12.0 14 500 5890 270 23 23.0 -0.0 | 227 18 12.9 12.0 15 487 6096 280 25 24.6 -4.3 | 242 16 14.5 7.7 16 400 7600 270 45 45.0 -0.0 | 251 37 34.9 12.0 17 367 8230 265 56 55.8 4.9 | 250 49 45.7 16.9 18 311 9449 235 33 27.0 18.9 | 209 35 16.9 31.0 19 300 9700 230 46 35.2 29.6 | 211 49 25.2 41.6 20 273 10363 230 55 42.1 35.4 | 214 57 32.0 47.4 21 250 10970 230 49 37.5 31.5 | 212 51 27.5 43.5 22 228 11582 235 45 36.9 25.8 | 215 46 26.8 37.9 23 200 12450 240 55 47.6 27.5 | 224 55 37.5 39.5 24 150 14240 235 81 66.4 46.5 | 224 81 56.3 58.5 25 143 14525 240 82 71.0 41.0 | 229 81 60.9 53.0 26 140 14630 240 82 71.0 41.0 | 229 81 60.9 53.0 27 120 15545 250 75 70.5 25.7 | 238 71 60.4 37.7 28 103 16459 255 19 18.4 4.9 | 206 19 8.3 17.0 29 100 16620 275 24 23.9 -2.1 | 234 17 13.8 10.0 30 97 16764 275 24 23.9 -2.1 | 234 17 13.8 10.0 31 87 17374 285 38 36.7 -9.8 | 265 27 26.6 2.2 Wind Parameters Mean winds (0-6000m): 290.1 at 20.9 knts Storm direction: 320.1 at 15.7 knts Shear (0-3000m) pos: 0.6 neg: 3.6 tot: 4.1 10-3/s Storm rel Dir Shear (0-3000m): 121.2 deg Storm rel helicity (0-3000m) pos: 13.3 neg: -36.9 tot: -23.6 m^2/s^2 ave: -7.9 10^-3 m/s^2 rel: -0.08 Storm rel vorticity (0-3000m) horiz: 6.4 stream: -0.5 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 12.74 Bulk Shear: 50.46 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 ------------------------------------------------------------------------------- 500 358 10 104 10| 0.0 12.1 12.1| 2.7 -32.9 -30.2 -60.4 -0.51| 17.0 -8.7 1000 340 11 104 6| 0.0 7.8 7.8| 4.1 -32.9 -28.7 -28.7 -0.31| 11.2 -3.4 1500 329 13 108 4| 0.0 6.3 6.3| 5.1 -32.9 -27.8 -18.5 -0.16| 8.8 -1.4 2000 321 14 134 2| 0.0 5.0 5.0| 5.1 -35.7 -30.6 -15.3 -0.20| 7.9 -1.6 2500 313 15 208 2| 0.0 4.3 4.3| 8.2 -36.9 -28.7 -11.5 -0.15| 7.0 -1.1 3000 310 16 229 3| 0.6 3.6 4.1| 13.3 -36.9 -23.6 -7.9 -0.08| 6.4 -0.5 4000 304 18 247 5| 0.4 3.7 4.1| 14.2 -51.9 -37.7 -9.4 -0.12| 6.5 -0.8 5000 294 20 245 9| 0.3 2.8 3.2| 14.2 -89.2 -75.0 -15.0 -0.21| 6.4 -1.3 6000 290 21 243 11| 0.6 2.9 3.6| 44.9 -93.6 -48.7 -8.1 -0.10| 6.5 -0.6 Wrote GIF file: /home/apache/climate/data/raob//SBCG/skewt/SBCG.skewt.20250418.12.gif