UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120712.upa.cvt Date: 1200Z 7 DEC 25 Searching for SBCG... Searching the city database file for: SBCG ... Date:1200Z 7 DEC 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 92 SFC 949 556 27.8 23.0 75 4.8 24.2 360 10 305.5 309.0 299.1 362.4 18.96 2 941 630 25.2 20.5 75 4.7 21.8 8 8 303.6 306.6 297.1 352.1 16.34 3 925 779 23.8 20.3 81 3.5 21.3 350 10 303.6 306.7 297.1 352.4 16.42 4 900 1018 21.6 19.3 87 2.3 20.0 355 13 303.8 306.7 296.8 350.9 15.85 5 854 1474 20.4 16.0 76 4.4 17.4 52 20 307.1 309.6 296.1 347.8 13.51 6 850 1515 20.2 15.7 75 4.5 17.1 60 20 307.3 309.8 296.1 347.5 13.32 7 700 3164 10.0 5.0 71 5.0 7.1 60 22 313.6 315.1 293.8 338.0 7.84 8 656 3700 6.8 1.8 70 5.0 4.0 53 21 315.8 317.1 293.5 336.8 6.66 9 568 4868 -0.5 -1.2 95 0.7 -0.9 41 6 320.5 321.7 294.4 340.4 6.18 10 554 5068 -1.5 -4.7 79 3.2 -3.1 55 4 321.6 322.6 293.7 337.5 4.87 11 551 5111 -1.7 -1.9 99 0.2 -1.8 59 3 321.9 323.1 294.7 341.5 6.05 12 542 5242 -2.1 -4.9 81 2.8 -3.5 71 2 322.9 323.9 294.1 339.0 4.91 13 539 5286 -1.7 -9.7 54 8.0 -5.3 76 3 323.9 324.6 293.1 335.3 3.40 14 513 5678 -4.3 -6.6 84 2.3 -5.4 125 7 325.4 326.3 294.4 340.5 4.55 15 500 5880 -5.5 -11.5 63 6.0 -8.0 150 9 326.3 327.0 293.6 337.0 3.17 16 490 6039 -5.9 -12.9 58 7.0 -8.8 154 10 327.7 328.3 293.7 337.6 2.89 17 483 6151 -5.5 -15.5 45 10.0 -9.4 158 11 329.6 330.1 293.7 337.8 2.37 18 426 7123 -13.5 -15.6 84 2.1 -14.3 185 10 331.4 332.0 294.5 340.6 2.67 19 411 7395 -14.7 -20.7 60 6.0 -16.6 179 9 333.3 333.6 294.2 339.6 1.79 20 406 7488 -15.5 -17.6 84 2.1 -16.2 177 9 333.4 333.9 294.7 341.7 2.36 21 400 7600 -16.1 -18.8 80 2.7 -17.0 175 8 334.1 334.5 294.7 341.7 2.17 22 369 8204 -20.5 -23.9 74 3.4 -21.4 209 12 336.0 336.3 294.7 341.4 1.50 23 367 8245 -20.3 -27.3 54 7.0 -22.0 210 13 336.8 337.0 294.6 340.9 1.11 24 350 8595 -23.1 -25.6 80 2.5 -23.7 251 12 337.6 337.9 295.0 342.6 1.36 25 314 9384 -28.7 -41.7 28 13.0 -30.4 242 24 340.5 340.5 294.7 341.7 0.31 26 300 9710 -31.3 -44.3 27 13.0 -32.7 230 32 341.3 341.3 294.8 342.3 0.25 27 288 9996 -34.3 -44.3 36 10.0 -35.3 229 39 341.0 341.0 294.8 342.0 0.26 28 269 10469 -36.7 -57.7 10 21.0 -37.9 216 62 344.2 344.2 295.4 344.5 0.06 29 268 10494 -36.9 -57.8 10 20.9 -38.1 215 63 344.3 344.3 295.4 344.6 0.06 30 250 10970 -40.1 -60.1 10 20.0 -41.1 215 50 346.4 346.5 295.9 346.6 0.05 31 209 12165 -51.1 -63.1 23 12.0 -51.4 237 31 347.4 347.5 296.1 347.6 0.04 32 200 12450 -53.1 -61.1 37 8.0 -53.3 250 29 348.7 348.7 296.4 348.9 0.05 33 177 13225 -59.3 -66.3 40 7.0 -59.4 246 32 350.9 350.9 296.8 351.0 0.03 34 171 13440 -60.7 -73.7 16 13.0 -60.9 244 33 352.1 352.1 297.1 352.1 0.01 35 160 13849 -64.3 -68.6 55 4.3 -64.4 239 35 352.7 352.7 297.3 352.8 0.02 36 150 14240 -67.9 -72.3 53 4.4 -67.9 235 37 353.1 353.1 297.3 353.2 0.01 37 141 14609 -71.3 -76.2 48 4.9 -71.3 233 42 353.5 353.5 297.4 353.5 0.01 38 128 15175 -75.9 -79.0 61 3.1 -75.9 230 50 355.1 355.1 297.7 355.1 0.01 39 121 15498 -78.3 -82.4 51 4.1 -78.3 227 46 356.5 356.5 298.0 356.5 0.00 40 109 16100 -73.9 -83.9 20 10.0 -73.9 221 33 375.6 375.6 301.5 375.6 0.00 41 100 16600 -76.7 -88.7 13 12.0 -76.7 215 22 379.5 379.5 302.2 379.5 0.00 42 83 17666 -80.1 -89.1 21 9.0 -80.1 155 4 393.4 393.4 304.3 393.4 0.00 43 70 18640 -76.9 -89.9 11 13.0 -76.9 115 13 419.9 419.9 307.7 419.9 0.00 44 69 18723 -73.7 -87.7 10 14.0 -73.7 118 13 428.5 428.5 308.7 428.5 0.00 45 58 19741 -68.9 -89.9 3 21.0 -69.1 139 15 461.1 461.1 311.9 461.1 0.00 46 50 20620 -70.3 -90.3 4 20.0 -70.5 120 22 477.8 477.8 313.2 477.8 0.00 47 48 20863 -70.5 -90.5 4 20.0 -70.6 120 21 483.0 483.0 313.7 483.0 0.00 48 34 22953 -63.5 -90.5 1 27.0 -64.0 69 23 551.4 551.4 318.2 551.4 0.00 49 32 23332 -57.3 -88.3 1 31.0 -58.5 78 25 577.7 577.7 319.6 577.7 0.00 50 30 23740 -58.5 -88.5 1 30.0 -59.6 95 33 585.2 585.2 319.9 585.2 0.01 51 29 23953 -58.3 -88.3 1 30.0 -59.5 108 32 591.4 591.4 320.2 591.4 0.01 TRP 83 17666 -80.1 -89.1 21 9.0 -80.1 155 4 393.4 393.4 304.3 393.4 0.00 WND 268 10494 -36.9 -57.8 10 20.9 -38.1 215 63 344.3 344.3 295.4 344.6 0.06 Sounding variables and indices 1000-500 mb thick: 5788.00 m Freezing level: 574.03 mb = 4788.36 m = 15709.66 ft Wetbulb zero: 583.55 mb = 4649.42 m = 15253.83 ft Precipitable water: 1.85 inches Sfc-500 mean rel hum: 77.11 % Est. max temperature: 31.58 C = 88.85 F Sfc-Lift cond lev (LCL): 885.39 mb = 1160.70 m = 3808.02 ft T: 21.23 C 700-500 lapse rate: 5.71 C/km ThetaE index: 15.60 C Layer 900.0- 568.0 mb Conv cond level (CCL): 800.78 mb = 2021.60 m = 6632.48 ft Mean mixing ratio: 15.46 g/kg Conv temperature: 31.51 C = 88.73 F Cap Strength: 2.27 C Lifted Index: -2.88 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -3.43 C Lifted Index @700 mb: -0.86 C Showalter Index: -1.62 C Risk: Thunderstorms probable Total Totals Index: 46.90 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 25.70 C Cross Totals Index: 21.20 C K Index: 36.40 Risk: > 80 % chance of thunderstorms Sweat Index: 237.40 Risk: None Energy Index: -2.07 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 982.16 J/kg Max Up Vert Vel: 44.32 m/s Conv Inhibition (B-): 56.34 J/kg Cap Strength: 2.27 C Lift Cond Lev (LCL): 853.49 mb = 1479.45 m = 4853.79 ft Lev Free Conv (LFC): 738.49 mb = 2709.33 m = 8888.79 ft Equ Level (EL): 178.49 mb = 13171.50 m = 43213.07 ft B at Equ Level: 979.29 J/kg Max Parcel Lev (MPL): 98.49 mb = 16686.82 m = 54746.12 ft Wind level data Storm motion: 86 at 11 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 ---------------------------------------------------------- 0 949 556 360 10 -0.0 -10.0 | 310 14 10.9 -9.2 1 943 610 10 8 -1.4 -7.9 | 307 12 9.5 -7.1 2 925 779 350 10 1.7 -9.8 | 306 15 12.6 -9.0 3 911 914 350 11 1.9 -10.8 | 308 16 12.8 -10.0 4 879 1219 5 17 -1.5 -16.9 | 330 19 9.4 -16.1 5 850 1515 60 20 -17.3 -10.0 | 35 11 -6.5 -9.2 6 849 1524 50 18 -13.8 -11.6 | 15 11 -2.9 -10.8 7 819 1829 65 20 -18.1 -8.5 | 44 11 -7.3 -7.6 8 790 2134 65 18 -16.3 -7.6 | 39 9 -5.5 -6.8 9 762 2438 60 21 -18.2 -10.5 | 37 12 -7.3 -9.7 10 710 3048 55 23 -18.8 -13.2 | 33 15 -8.0 -12.4 11 700 3164 60 22 -19.1 -11.0 | 39 13 -8.2 -10.2 12 634 3962 50 21 -16.1 -13.5 | 22 14 -5.2 -12.7 13 611 4267 35 14 -8.0 -11.5 | 345 11 2.8 -10.7 14 588 4572 20 10 -3.4 -9.4 | 319 11 7.4 -8.6 15 545 5182 65 2 -1.8 -0.8 | 270 9 9.0 -0.0 16 500 5880 150 9 -4.5 7.8 | 216 11 6.4 8.6 17 486 6096 155 11 -4.6 10.0 | 210 12 6.2 10.8 18 449 6706 195 10 2.6 9.7 | 232 17 13.4 10.5 19 415 7315 180 10 0.0 10.0 | 225 15 10.9 10.8 20 400 7600 175 8 -0.7 8.0 | 229 13 10.2 8.8 21 383 7925 200 4 1.4 3.8 | 249 13 12.2 4.6 22 367 8230 210 13 6.5 11.3 | 235 21 17.4 12.1 23 352 8534 250 12 11.3 4.1 | 257 23 22.1 4.9 24 338 8839 260 11 10.8 1.9 | 263 22 21.7 2.7 25 300 9710 230 32 24.5 20.6 | 239 41 35.4 21.4 26 298 9754 235 27 22.1 15.5 | 244 37 33.0 16.3 27 268 10494 215 63 36.1 51.6 | 222 70 47.0 52.4 28 261 10668 215 63 36.1 51.6 | 222 70 47.0 52.4 29 250 10970 215 50 28.7 41.0 | 223 58 39.5 41.8 30 218 11887 225 32 22.6 22.6 | 235 41 33.5 23.4 31 200 12450 250 29 27.3 9.9 | 254 40 38.1 10.7 32 199 12497 240 24 20.8 12.0 | 248 34 31.6 12.8 33 189 12802 250 30 28.2 10.3 | 254 41 39.0 11.1 34 150 14240 235 37 30.3 21.2 | 242 47 41.2 22.0 35 126 15240 230 51 39.1 32.8 | 236 60 49.9 33.6 36 100 16600 215 22 12.6 18.0 | 231 30 23.5 18.8 37 97 16764 215 22 12.6 18.0 | 231 30 23.5 18.8 38 92 17069 205 21 8.9 19.0 | 225 28 19.7 19.8 39 87 17374 155 17 -7.2 15.4 | 193 17 3.7 16.2 40 83 17666 155 4 -1.7 3.6 | 244 10 9.2 4.4 41 79 17983 130 2 -1.5 1.3 | 257 10 9.3 2.1 42 74 18288 105 12 -11.6 3.1 | 169 4 -0.7 3.9 43 70 18640 115 13 -11.8 5.5 | 172 6 -0.9 6.3 44 67 18898 125 12 -9.8 6.9 | 188 8 1.0 7.7 45 64 19202 90 13 -13.0 0.0 | 111 2 -2.1 0.8 46 57 19812 145 15 -8.6 12.3 | 190 13 2.2 13.1 47 54 20117 105 21 -20.3 5.4 | 124 11 -9.4 6.3 48 50 20620 120 22 -19.1 11.0 | 145 14 -8.2 11.8 49 47 21031 120 20 -17.3 10.0 | 149 13 -6.5 10.8 50 38 22250 65 29 -26.3 -12.3 | 53 19 -15.4 -11.4 51 33 23165 70 22 -20.7 -7.5 | 56 12 -9.8 -6.7 52 30 23740 95 33 -32.9 2.9 | 100 22 -22.0 3.7 53 30 23774 115 32 -29.0 13.5 | 128 23 -18.2 14.3 54 28 24079 95 33 -32.9 2.9 | 100 22 -22.0 3.7 Wind Parameters Mean winds (0-6000m): 55.7 at 14.5 knts Storm direction: 85.7 at 10.9 knts Shear (0-3000m) pos: 3.2 neg: 1.4 tot: 4.6 10-3/s Storm rel Dir Shear (0-3000m): 80.3 deg Storm rel helicity (0-3000m) pos: 101.6 neg: -15.8 tot: 85.9 m^2/s^2 ave: 28.6 10^-3 m/s^2 rel: 0.49 Storm rel vorticity (0-3000m) horiz: 7.5 stream: 3.6 10^-3/s Energy-Hel index: 0.60 Bulk Rich Number: 43.78 Bulk Shear: 22.43 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 ------------------------------------------------------------------------------- 500 355 10 309 15| 0.0 3.9 3.9| 15.3 -3.5 11.8 23.7 0.30| 8.6 2.6 1000 14 14 330 15| 7.8 2.0 9.8| 83.7 -3.5 80.2 80.2 0.69| 14.2 9.8 1500 35 16 351 12| 6.3 1.3 7.7| 97.0 -4.8 92.2 61.5 0.69| 11.6 8.0 2000 44 17 4 11| 4.8 1.8 6.6| 97.0 -6.8 90.2 45.1 0.60| 9.7 5.8 2500 47 18 11 11| 3.8 1.9 5.7| 97.0 -9.4 87.6 35.0 0.55| 8.2 4.5 3000 50 19 16 12| 3.2 1.4 4.6|101.6 -15.8 85.9 28.6 0.49| 7.5 3.6 4000 49 18 14 12| 2.4 1.9 4.3|101.6 -62.3 39.3 9.8 0.11| 7.6 0.8 5000 48 16 5 10| 2.7 1.5 4.2|101.6 -84.3 17.3 3.5 -0.06| 7.5 -0.4 6000 56 15 9 7| 2.5 1.3 3.7|117.1 -94.0 23.1 3.8 -0.05| 7.4 -0.4 Wrote GIF file: /home/apache/climate/data/raob//SBCG/skewt/SBCG.skewt.20251207.12.gif