UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025122012.upa.cvt Date: 1200Z 20 DEC 25 Searching for SBCG... Searching the city database file for: SBCG ... Date:1200Z 20 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 77 SFC 947 556 26.6 22.7 79 3.9 23.8 340 10 304.5 307.9 298.7 360.1 18.65 2 933 688 24.2 22.1 88 2.1 22.7 335 11 303.3 306.7 298.2 357.5 18.24 3 925 764 23.4 22.0 92 1.4 22.4 335 13 303.2 306.6 298.2 357.6 18.28 4 901 994 21.4 21.2 99 0.2 21.3 334 14 303.5 306.8 298.0 356.5 17.86 5 896 1042 21.4 20.2 93 1.2 20.5 336 14 303.9 307.1 297.5 354.1 16.86 6 876 1239 22.4 18.1 77 4.3 19.4 350 15 307.0 309.8 297.1 352.4 15.09 7 850 1502 20.4 17.2 82 3.2 18.2 50 14 307.5 310.3 297.0 351.8 14.68 8 786 2175 16.0 13.7 86 2.3 14.4 51 14 309.8 312.1 296.3 348.3 12.64 9 778 2262 15.8 11.6 76 4.2 13.0 52 13 310.5 312.6 295.4 344.4 11.10 10 700 3155 10.8 8.9 88 1.9 9.6 45 15 314.4 316.4 295.8 346.4 10.29 11 692 3251 10.2 8.8 91 1.4 9.3 28 14 314.8 316.8 296.0 347.0 10.34 12 659 3656 8.4 5.1 80 3.3 6.4 5 10 317.2 318.8 295.2 343.7 8.39 13 649 3782 9.0 2.0 61 7.0 5.0 350 11 319.3 320.6 294.6 341.1 6.83 14 578 4731 2.4 -0.6 81 3.0 0.7 317 8 322.3 323.6 295.0 342.9 6.35 15 536 5337 -1.1 -13.1 40 12.0 -6.1 15 6 325.2 325.7 292.8 334.0 2.60 16 533 5382 -0.7 -22.7 17 22.0 -7.9 29 7 326.2 326.4 291.8 330.3 1.16 17 523 5533 -1.1 -40.1 3 39.0 -9.8 67 10 327.5 327.5 291.2 328.3 0.22 18 500 5890 -3.9 -35.9 6 32.0 -11.4 65 12 328.3 328.4 291.6 329.6 0.36 19 465 6461 -7.3 -42.3 4 35.0 -14.1 50 12 330.9 331.0 292.2 331.7 0.20 20 444 6820 -10.3 -26.3 26 16.0 -14.8 31 11 331.6 331.8 293.1 335.2 1.01 21 433 7014 -10.9 -40.9 6 30.0 -16.6 20 10 333.2 333.2 292.8 334.1 0.25 22 415 7340 -12.9 -24.9 36 12.0 -16.3 71 8 334.7 334.9 294.1 339.1 1.22 23 400 7620 -15.5 -26.5 38 11.0 -18.4 115 7 334.8 335.1 294.0 338.8 1.10 24 390 7810 -17.3 -27.3 41 10.0 -19.8 130 10 334.9 335.1 294.0 338.7 1.04 25 387 7868 -17.9 -27.9 41 10.0 -20.4 135 11 334.9 335.1 294.0 338.5 1.00 26 345 8719 -22.1 -47.1 8 25.0 -25.4 161 15 340.4 340.4 294.6 341.0 0.16 27 300 9730 -29.9 -52.9 9 23.0 -32.0 190 15 343.2 343.3 295.2 343.6 0.09 28 296 9825 -30.3 -55.3 7 25.0 -32.4 189 16 344.0 344.0 295.3 344.3 0.07 29 250 11000 -39.7 -56.7 15 17.0 -40.6 215 20 347.0 347.1 296.0 347.3 0.07 30 231 11534 -43.9 -67.9 5 24.0 -44.7 229 15 348.6 348.6 296.3 348.7 0.02 31 200 12480 -52.5 -66.5 17 14.0 -52.8 225 21 349.6 349.6 296.5 349.7 0.02 32 185 12979 -57.1 -69.1 20 12.0 -57.3 225 24 350.1 350.1 296.7 350.1 0.02 33 176 13294 -59.1 -72.1 17 13.0 -59.3 225 26 351.8 351.8 297.0 351.9 0.01 34 172 13438 -60.1 -68.1 34 8.0 -60.2 225 27 352.5 352.5 297.2 352.6 0.02 35 150 14280 -66.5 -76.5 23 10.0 -66.5 205 21 355.5 355.5 297.8 355.6 0.01 36 127 15266 -74.1 -82.1 28 8.0 -74.1 184 8 359.1 359.1 298.5 359.2 0.00 37 108 16201 -77.3 -87.3 19 10.0 -77.3 98 25 370.1 370.1 300.6 370.1 0.00 38 100 16640 -78.3 -89.3 15 11.0 -78.3 80 36 376.4 376.4 301.6 376.4 0.00 39 82 17761 -82.9 -91.9 20 9.0 -82.9 90 45 389.0 389.0 303.6 389.0 0.00 40 79 17969 -83.3 -92.3 19 9.0 -83.3 90 46 392.4 392.4 304.1 392.4 0.00 41 71 18569 -79.7 -90.7 15 11.0 -79.7 90 50 412.2 412.2 306.8 412.2 0.00 42 70 18650 -76.3 -89.3 11 13.0 -76.3 95 39 421.2 421.2 307.9 421.2 0.00 43 67 18905 -71.5 -87.5 7 16.0 -71.6 95 39 436.9 436.9 309.6 436.9 0.00 44 59 19652 -73.7 -88.7 8 15.0 -73.7 90 24 448.1 448.1 310.7 448.1 0.00 45 50 20630 -68.7 -89.7 3 21.0 -68.9 105 22 481.6 481.6 313.6 481.6 0.00 46 44 21401 -64.5 -89.5 2 25.0 -64.8 107 25 509.8 509.8 315.7 509.8 0.00 47 30 23750 -62.1 -88.1 2 26.0 -62.8 85 35 575.3 575.3 319.5 575.4 0.01 48 23 25414 -56.5 -84.5 2 28.0 -58.2 89 43 637.2 637.2 322.2 637.3 0.01 TRP 82 17761 -82.9 -91.9 20 9.0 -82.9 90 45 389.0 389.0 303.6 389.0 0.00 WND Sounding variables and indices 1000-500 mb thick: 5813.00 m Freezing level: 549.20 mb = 5146.21 m = 16883.68 ft Wetbulb zero: 573.53 mb = 4792.90 m = 15724.56 ft Precipitable water: 1.85 inches Sfc-500 mean rel hum: 70.53 % Est. max temperature: 31.44 C = 88.59 F Sfc-Lift cond lev (LCL): 895.04 mb = 1051.78 m = 3450.68 ft T: 21.45 C 700-500 lapse rate: 5.37 C/km ThetaE index: 13.15 C Layer 901.0- 700.0 mb Conv cond level (CCL): 825.50 mb = 1753.50 m = 5752.87 ft Mean mixing ratio: 16.71 g/kg Conv temperature: 30.45 C = 86.81 F Cap Strength: 2.05 C Lifted Index: -2.69 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -4.20 C Lifted Index @700 mb: -1.11 C Showalter Index: -1.58 C Risk: Thunderstorms probable Total Totals Index: 45.40 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 24.30 C Cross Totals Index: 21.10 C K Index: 39.60 Risk: > 80 % chance of thunderstorms Sweat Index: 246.40 Risk: None Energy Index: -4.19 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 1297.61 J/kg Max Up Vert Vel: 50.94 m/s Conv Inhibition (B-): 34.14 J/kg Cap Strength: 2.05 C Lift Cond Lev (LCL): 865.50 mb = 1344.56 m = 4411.22 ft Lev Free Conv (LFC): 790.50 mb = 2126.03 m = 6975.09 ft Equ Level (EL): 150.50 mb = 14259.52 m = 46782.62 ft B at Equ Level: 1291.21 J/kg Max Parcel Lev (MPL): 80.50 mb = 17863.85 m = 58607.73 ft Wind level data Storm motion: 53 at 9 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 ---------------------------------------------------------- 0 947 556 340 10 3.4 -9.4 | 291 11 10.6 -4.0 1 941 610 335 9 3.8 -8.2 | 284 11 11.0 -2.8 2 925 764 335 13 5.5 -11.8 | 297 14 12.7 -6.4 3 909 914 330 14 7.0 -12.1 | 295 16 14.2 -6.7 4 878 1219 345 15 3.9 -14.5 | 310 14 11.0 -9.1 5 850 1502 50 14 -10.7 -9.0 | 45 5 -3.6 -3.6 6 848 1524 50 15 -11.5 -9.6 | 45 6 -4.3 -4.3 7 789 2134 50 14 -10.7 -9.0 | 45 5 -3.6 -3.6 8 761 2438 55 12 -9.8 -6.9 | 61 3 -2.7 -1.5 9 709 3048 45 15 -10.6 -10.6 | 33 6 -3.4 -5.2 10 700 3155 45 15 -10.6 -10.6 | 33 6 -3.4 -5.2 11 683 3353 10 12 -2.1 -11.8 | 322 8 5.1 -6.4 12 658 3658 5 10 -0.9 -10.0 | 306 8 6.3 -4.6 13 634 3962 325 13 7.5 -10.6 | 290 16 14.6 -5.3 14 610 4267 305 13 10.6 -7.5 | 277 18 17.8 -2.1 15 546 5182 330 3 1.5 -2.6 | 252 9 8.7 2.8 16 525 5486 65 10 -9.1 -4.2 | 121 2 -1.9 1.2 17 506 5791 80 13 -12.8 -2.3 | 119 6 -5.6 3.1 18 500 5890 65 12 -10.9 -5.1 | 95 4 -3.7 0.3 19 487 6096 70 14 -13.2 -4.8 | 96 6 -6.0 0.6 20 433 7010 20 10 -3.4 -9.4 | 317 5 3.7 -4.0 21 400 7620 115 7 -6.3 3.0 | 186 8 0.8 8.3 22 368 8230 165 17 -4.4 16.4 | 187 22 2.8 21.8 23 339 8839 160 15 -5.1 14.1 | 186 20 2.0 19.5 24 300 9730 190 15 2.6 14.8 | 206 22 9.8 20.2 25 299 9754 190 16 2.8 15.8 | 205 23 9.9 21.1 26 274 10363 180 14 0.0 14.0 | 200 21 7.2 19.4 27 262 10668 220 10 6.4 7.7 | 226 19 13.6 13.0 28 251 10973 205 14 5.9 12.7 | 216 22 13.1 18.1 29 250 11000 215 20 11.5 16.4 | 221 29 18.6 21.8 30 229 11582 230 15 11.5 9.6 | 231 24 18.7 15.0 31 219 11887 215 19 10.9 15.6 | 221 28 18.1 20.9 32 209 12192 235 21 17.2 12.0 | 234 30 24.4 17.4 33 200 12480 225 21 14.8 14.8 | 227 30 22.0 20.2 34 172 13411 225 27 19.1 19.1 | 227 36 26.3 24.5 35 156 14021 225 25 17.7 17.7 | 227 34 24.8 23.1 36 150 14280 205 21 8.9 19.0 | 213 29 16.0 24.4 37 134 14935 200 12 4.1 11.3 | 214 20 11.3 16.7 38 127 15240 185 8 0.7 8.0 | 210 15 7.9 13.4 39 121 15545 160 13 -4.4 12.2 | 189 18 2.7 17.6 40 109 16154 100 24 -23.6 4.2 | 120 19 -16.5 9.6 41 100 16640 80 36 -35.5 -6.3 | 88 28 -28.3 -0.9 42 98 16764 80 36 -35.5 -6.3 | 88 28 -28.3 -0.9 43 82 17761 90 45 -45.0 0.0 | 98 38 -37.8 5.4 44 71 18593 90 50 -50.0 0.0 | 97 43 -42.8 5.4 45 70 18650 95 39 -38.9 3.4 | 105 33 -31.7 8.8 46 67 18898 95 39 -38.9 3.4 | 105 33 -31.7 8.8 47 61 19507 90 23 -23.0 0.0 | 109 17 -15.8 5.4 48 55 20117 90 27 -27.0 0.0 | 105 21 -19.8 5.4 49 52 20422 125 21 -17.2 12.0 | 150 20 -10.0 17.4 50 50 20630 105 22 -21.3 5.7 | 128 18 -14.1 11.1 51 49 20726 95 19 -18.9 1.7 | 121 14 -11.8 7.0 52 47 21031 110 24 -22.6 8.2 | 131 21 -15.4 13.6 53 42 21641 105 25 -24.1 6.5 | 125 21 -17.0 11.9 54 38 22250 75 35 -33.8 -9.1 | 82 27 -26.6 -3.7 55 35 22860 70 26 -24.4 -8.9 | 79 18 -17.3 -3.5 56 33 23165 80 19 -18.7 -3.3 | 100 12 -11.5 2.1 57 30 23750 85 35 -34.9 -3.1 | 95 28 -27.7 2.3 58 30 23774 95 31 -30.9 2.7 | 109 25 -23.7 8.1 59 19 25603 85 51 -50.8 -4.4 | 91 44 -43.6 0.9 Wind Parameters Mean winds (0-6000m): 23.1 at 11.9 knts Storm direction: 53.1 at 9.0 knts Shear (0-3000m) pos: 2.9 neg: 2.3 tot: 5.2 10-3/s Storm rel Dir Shear (0-3000m): 20.6 deg Storm rel helicity (0-3000m) pos: 52.2 neg: -21.8 tot: 30.4 m^2/s^2 ave: 10.1 10^-3 m/s^2 rel: 0.18 Storm rel vorticity (0-3000m) horiz: 7.3 stream: 1.3 10^-3/s Energy-Hel index: 0.42 Bulk Rich Number: 94.45 Bulk Shear: 13.74 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 ------------------------------------------------------------------------------- 500 334 13 295 14| 0.0 4.6 4.6| 12.1 -1.6 10.5 21.1 0.43| 6.6 2.8 1000 351 14 311 12| 9.0 2.3 11.3| 51.1 -1.6 49.5 49.5 0.74| 13.0 9.6 1500 13 14 334 9| 6.0 1.5 7.5| 51.1 -1.7 49.4 32.9 0.71| 9.0 6.4 2000 24 14 347 7| 4.4 1.1 5.6| 52.2 -2.1 50.2 25.1 0.66| 7.5 5.0 2500 30 14 357 7| 3.5 1.4 4.9| 52.2 -4.2 48.1 19.2 0.55| 6.6 3.6 3000 29 14 355 7| 2.9 2.3 5.2| 52.2 -21.8 30.4 10.1 0.18| 7.3 1.3 4000 15 13 332 8| 2.2 2.6 4.8| 52.2 -53.0 -0.8 -0.2 -0.01| 7.7 -0.1 5000 12 12 322 8| 3.5 2.1 5.6| 58.7 -64.8 -6.0 -1.2 0.08| 8.6 0.7 6000 23 12 336 6| 3.2 2.2 5.3| 59.0 -73.2 -14.2 -2.4 -0.00| 8.2 -0.0 Wrote GIF file: /home/apache/climate/data/raob//SBCG/skewt/SBCG.skewt.20251220.12.gif