UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025122112.upa.cvt Date: 1200Z 21 DEC 25 Searching for SBCG... Searching the city database file for: SBCG ... Date:1200Z 21 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 83 SFC 948 556 26.4 21.6 75 4.8 22.9 360 12 304.2 307.4 297.9 356.0 17.38 2 942 611 24.8 21.3 81 3.5 22.3 5 10 303.1 306.3 297.5 354.0 17.17 3 925 769 23.2 21.0 87 2.2 21.6 5 14 303.0 306.2 297.5 354.0 17.17 4 882 1184 19.8 19.6 99 0.2 19.6 352 16 303.7 306.7 297.2 352.7 16.49 5 866 1342 20.2 17.2 83 3.0 18.1 354 15 305.7 308.4 296.4 348.8 14.40 6 850 1504 19.6 17.1 85 2.5 17.9 355 15 306.7 309.4 296.7 350.5 14.59 7 824 1772 18.8 14.6 77 4.2 16.0 8 15 308.6 311.0 296.0 347.3 12.79 8 718 2943 11.2 9.7 90 1.5 10.2 29 18 312.6 314.6 295.6 345.3 10.59 9 700 3156 10.4 7.9 84 2.5 8.8 35 18 314.0 315.8 295.3 343.8 9.60 10 683 3360 8.8 6.4 85 2.4 7.3 35 17 314.4 316.1 294.8 342.1 8.87 11 617 4196 6.2 -4.8 45 11.0 0.7 23 16 320.7 321.6 293.0 334.9 4.34 12 610 4290 6.4 -19.6 14 26.0 -3.1 25 17 322.0 322.3 290.7 326.6 1.33 13 573 4800 3.2 -20.8 15 24.0 -5.3 50 20 324.1 324.3 291.3 328.5 1.27 14 568 4871 3.6 -20.4 15 24.0 -5.0 54 20 325.3 325.6 291.7 330.0 1.33 15 531 5413 -1.3 -17.3 28 16.0 -7.2 51 14 325.8 326.2 292.3 332.2 1.85 16 519 5595 -2.3 -21.3 22 19.0 -8.7 56 13 326.7 327.0 292.1 331.5 1.34 17 512 5702 -2.7 -12.7 46 10.0 -6.9 63 12 327.5 328.1 293.6 337.1 2.81 18 500 5890 -3.9 -16.9 36 13.0 -8.8 75 11 328.3 328.7 293.2 335.3 2.04 19 491 6033 -4.7 -19.7 30 15.0 -9.9 78 11 329.0 329.3 293.0 334.7 1.63 20 468 6408 -7.7 -13.7 62 6.0 -10.1 105 12 329.8 330.4 294.2 339.6 2.84 21 456 6609 -9.3 -18.3 48 9.0 -12.5 98 13 330.3 330.7 293.6 337.2 1.98 22 430 7060 -12.3 -16.5 71 4.2 -13.8 112 12 332.1 332.6 294.4 340.6 2.45 23 422 7204 -12.7 -20.7 51 8.0 -15.3 100 12 333.3 333.7 294.2 339.5 1.74 24 413 7368 -13.5 -27.5 30 14.0 -17.2 92 12 334.4 334.6 293.8 337.9 0.97 25 400 7610 -15.5 -27.5 35 12.0 -18.6 105 11 334.8 335.0 294.0 338.5 1.00 26 375 8097 -17.7 -33.7 23 16.0 -21.1 98 8 338.2 338.3 294.4 340.4 0.59 27 336 8909 -24.9 -35.9 35 11.0 -26.8 175 10 339.1 339.2 294.6 341.2 0.53 28 319 9287 -26.1 -49.1 10 23.0 -28.7 203 11 342.5 342.6 295.1 343.1 0.14 29 308 9541 -27.7 -47.7 13 20.0 -30.0 200 11 343.7 343.8 295.4 344.4 0.17 30 300 9730 -29.1 -51.1 10 22.0 -31.3 210 10 344.4 344.4 295.5 344.8 0.12 31 289 9995 -31.1 -44.1 27 13.0 -32.6 219 9 345.2 345.3 295.8 346.3 0.26 32 269 10496 -35.9 -50.9 20 15.0 -37.1 201 6 345.4 345.4 295.7 345.9 0.13 33 254 10891 -37.9 -58.9 9 21.0 -39.1 173 8 348.1 348.1 296.3 348.4 0.05 34 250 11000 -38.9 -57.9 12 19.0 -40.0 165 9 348.2 348.2 296.3 348.5 0.06 35 200 12490 -51.9 -64.9 20 13.0 -52.2 135 13 350.6 350.6 296.8 350.7 0.03 36 184 13025 -56.5 -68.5 21 12.0 -56.7 135 14 351.6 351.6 297.0 351.7 0.02 37 176 13306 -59.1 -65.1 46 6.0 -59.2 135 15 351.8 351.8 297.1 352.0 0.03 38 171 13486 -60.5 -71.5 22 11.0 -60.6 136 16 352.4 352.4 297.1 352.5 0.01 39 165 13708 -62.7 -68.7 44 6.0 -62.8 141 19 352.3 352.3 297.1 352.4 0.02 40 150 14290 -66.9 -73.9 37 7.0 -67.0 155 27 354.8 354.8 297.7 354.9 0.01 41 129 15186 -73.9 -78.1 52 4.2 -73.9 149 35 357.9 357.9 298.3 357.9 0.01 42 123 15463 -76.3 -82.3 38 6.0 -76.3 147 31 358.4 358.4 298.4 358.5 0.00 43 100 16650 -78.5 -88.5 18 10.0 -78.5 85 32 376.1 376.1 301.6 376.1 0.00 44 90 17248 -80.7 -90.7 17 10.0 -80.7 80 34 383.2 383.2 302.8 383.2 0.00 45 84 17638 -80.9 -89.9 21 9.0 -80.9 80 36 390.4 390.4 303.9 390.4 0.00 46 75 18284 -76.3 -88.3 13 12.0 -76.3 95 44 412.9 412.9 306.9 412.9 0.00 47 70 18680 -78.9 -88.9 18 10.0 -78.9 85 19 415.6 415.6 307.2 415.6 0.00 48 64 19188 -80.9 -89.9 21 9.0 -80.9 99 23 422.0 422.0 307.9 422.0 0.00 49 60 19551 -81.3 -90.3 20 9.0 -81.3 97 32 429.0 429.0 308.7 429.0 0.00 50 53 20257 -76.7 -89.7 11 13.0 -76.7 85 36 455.1 455.1 311.3 455.1 0.00 51 50 20600 -67.3 -88.3 4 21.0 -67.5 95 30 484.9 484.9 313.8 484.9 0.00 52 45 21244 -60.9 -86.9 2 26.0 -61.4 104 32 515.3 515.3 316.0 515.3 0.00 53 36 22619 -63.9 -88.9 2 25.0 -64.4 58 25 541.5 541.5 317.6 541.5 0.00 54 32 23340 -63.5 -89.5 2 26.0 -64.1 94 21 561.1 561.1 318.7 561.1 0.00 55 30 23740 -59.1 -87.1 1 28.0 -60.1 100 33 583.5 583.5 319.8 583.6 0.01 56 25 24893 -55.5 -85.5 1 30.0 -57.2 99 34 625.1 625.1 321.7 625.2 0.01 57 24 25152 -56.9 -85.9 1 29.0 -58.5 95 35 628.4 628.4 321.9 628.4 0.01 TRP 90 17248 -80.7 -90.7 17 10.0 -80.7 80 34 383.2 383.2 302.8 383.2 0.00 WND Sounding variables and indices 1000-500 mb thick: 5807.00 m Freezing level: 540.82 mb = 5268.98 m = 17286.48 ft Wetbulb zero: 615.78 mb = 4212.57 m = 13820.61 ft Precipitable water: 1.74 inches Sfc-500 mean rel hum: 61.69 % Est. max temperature: 31.68 C = 89.03 F Sfc-Lift cond lev (LCL): 884.22 mb = 1161.91 m = 3811.98 ft T: 19.98 C 700-500 lapse rate: 5.23 C/km ThetaE index: 23.96 C Layer 824.0- 573.0 mb Conv cond level (CCL): 813.44 mb = 1881.89 m = 6174.10 ft Mean mixing ratio: 16.25 g/kg Conv temperature: 31.12 C = 88.02 F Cap Strength: 1.58 C Lifted Index: -1.81 C Risk: Thunderstorms probable Lifted Index @300 mb: -2.05 C Lifted Index @700 mb: -0.87 C Showalter Index: -1.14 C Risk: Thunderstorms probable Total Totals Index: 44.50 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 23.50 C Cross Totals Index: 21.00 C K Index: 38.10 Risk: > 80 % chance of thunderstorms Sweat Index: 246.20 Risk: None Energy Index: -2.94 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 727.71 J/kg Max Up Vert Vel: 38.15 m/s Conv Inhibition (B-): 40.67 J/kg Cap Strength: 1.52 C Lift Cond Lev (LCL): 871.73 mb = 1285.26 m = 4216.67 ft Lev Free Conv (LFC): 756.73 mb = 2496.46 m = 8190.39 ft Equ Level (EL): 606.73 mb = 4333.60 m = 14217.69 ft B at Equ Level: 63.63 J/kg Max Parcel Lev (MPL): 96.73 mb = 16838.57 m = 55243.97 ft Wind level data Storm motion: 61 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 ---------------------------------------------------------- 0 948 556 360 12 -0.0 -12.0 | 303 12 10.0 -6.4 1 942 610 5 10 -0.9 -10.0 | 296 10 9.1 -4.4 2 925 769 5 14 -1.2 -13.9 | 314 12 8.8 -8.4 3 910 914 350 16 2.8 -15.8 | 309 16 12.8 -10.2 4 850 1504 355 15 1.3 -14.9 | 310 15 11.3 -9.4 5 789 2134 25 15 -6.3 -13.6 | 335 9 3.7 -8.0 6 762 2438 15 18 -4.7 -17.4 | 336 13 5.4 -11.8 7 700 3156 35 18 -10.3 -14.7 | 2 9 -0.3 -9.2 8 683 3353 35 17 -9.8 -13.9 | 358 8 0.3 -8.4 9 658 3658 10 12 -2.1 -11.8 | 308 10 7.9 -6.3 10 611 4267 25 17 -7.2 -15.4 | 344 10 2.8 -9.9 11 566 4877 55 20 -16.4 -11.5 | 47 9 -6.4 -5.9 12 525 5486 50 13 -10.0 -8.4 | 359 3 0.1 -2.8 13 500 5890 75 11 -10.6 -2.8 | 167 3 -0.6 2.7 14 487 6096 80 11 -10.8 -1.9 | 167 4 -0.8 3.6 15 468 6401 105 12 -11.6 3.1 | 170 9 -1.6 8.7 16 450 6706 95 13 -13.0 1.1 | 156 7 -2.9 6.7 17 432 7010 115 12 -10.9 5.1 | 175 11 -0.9 10.6 18 416 7315 90 12 -12.0 0.0 | 160 6 -2.0 5.6 19 400 7610 105 11 -10.6 2.8 | 176 8 -0.6 8.4 20 399 7620 110 11 -10.3 3.8 | 178 9 -0.3 9.3 21 383 7925 90 10 -10.0 0.0 | 180 6 0.0 5.6 22 368 8230 105 6 -5.8 1.6 | 211 8 4.2 7.1 23 353 8534 125 10 -8.2 5.7 | 189 11 1.8 11.3 24 325 9144 210 10 5.0 8.7 | 227 21 15.0 14.2 25 312 9449 195 12 3.1 11.6 | 217 22 13.1 17.1 26 300 9730 210 10 5.0 8.7 | 227 21 15.0 14.2 27 299 9754 225 11 7.8 7.8 | 233 22 17.8 13.3 28 274 10363 210 5 2.5 4.3 | 232 16 12.5 9.9 29 250 11000 165 9 -2.3 8.7 | 208 16 7.7 14.2 30 229 11582 115 10 -9.1 4.2 | 186 10 0.9 9.8 31 209 12192 135 12 -8.5 8.5 | 186 14 1.5 14.0 32 200 12490 135 13 -9.2 9.2 | 183 15 0.8 14.7 33 173 13411 135 15 -10.6 10.6 | 178 16 -0.6 16.2 34 150 14290 155 27 -11.4 24.5 | 177 30 -1.4 30.0 35 141 14630 155 26 -11.0 23.6 | 178 29 -1.0 29.1 36 134 14935 150 38 -19.0 32.9 | 167 39 -9.0 38.5 37 115 15850 145 26 -14.9 21.3 | 170 27 -4.9 26.9 38 109 16154 115 21 -19.0 8.9 | 148 17 -9.0 14.4 39 103 16459 90 21 -21.0 0.0 | 117 12 -11.0 5.6 40 100 16650 85 32 -31.9 -2.8 | 97 22 -21.9 2.8 41 98 16764 85 31 -30.9 -2.7 | 98 21 -20.9 2.9 42 90 17248 80 34 -33.5 -5.9 | 89 23 -23.5 -0.4 43 83 17678 80 36 -35.5 -6.3 | 88 25 -25.4 -0.7 44 75 18288 95 44 -43.8 3.8 | 106 35 -33.8 9.4 45 70 18680 85 19 -18.9 -1.7 | 114 10 -8.9 3.9 46 67 18898 85 19 -18.9 -1.7 | 114 10 -8.9 3.9 47 64 19202 100 23 -22.7 4.0 | 127 16 -12.6 9.5 48 57 19812 95 38 -37.9 3.3 | 108 29 -27.8 8.9 49 54 20117 80 39 -38.4 -6.8 | 88 28 -28.4 -1.2 50 50 20600 95 30 -29.9 2.6 | 112 21 -19.9 8.2 51 44 21336 105 32 -30.9 8.3 | 124 25 -20.9 13.8 52 42 21641 85 24 -23.9 -2.1 | 104 14 -13.9 3.5 53 40 21946 90 33 -33.0 0.0 | 104 24 -23.0 5.6 54 36 22555 55 27 -22.1 -15.5 | 51 16 -12.1 -9.9 55 35 22860 70 19 -17.9 -6.5 | 83 8 -7.8 -0.9 56 31 23470 100 21 -20.7 3.6 | 131 14 -10.7 9.2 57 30 23740 100 33 -32.5 5.7 | 117 25 -22.5 11.3 58 30 23774 115 27 -24.5 11.4 | 140 22 -14.5 17.0 59 19 25603 75 44 -42.5 -11.4 | 80 33 -32.5 -5.8 Wind Parameters Mean winds (0-6000m): 31.0 at 15.3 knts Storm direction: 61.0 at 11.4 knts Shear (0-3000m) pos: 2.1 neg: 1.5 tot: 3.6 10-3/s Storm rel Dir Shear (0-3000m): 19.6 deg Storm rel helicity (0-3000m) pos: 38.4 neg: -18.3 tot: 20.0 m^2/s^2 ave: 6.7 10^-3 m/s^2 rel: 0.16 Storm rel vorticity (0-3000m) horiz: 5.8 stream: 0.9 10^-3/s Energy-Hel index: 0.12 Bulk Rich Number: 76.87 Bulk Shear: 9.47 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 14 308 13| 0.0 4.4 4.4| 6.6 -4.4 2.2 4.3 0.12| 8.8 1.0 1000 355 15 309 14| 1.0 2.2 3.2| 9.2 -4.4 4.8 4.8 0.16| 5.4 0.9 1500 0 15 313 14| 2.8 1.5 4.2| 22.2 -4.4 17.9 11.9 0.35| 5.7 2.0 2000 5 15 318 13| 2.1 1.8 3.9| 26.5 -4.5 22.0 11.0 0.33| 5.7 1.9 2500 10 16 324 12| 2.5 1.5 4.0| 36.6 -4.5 32.1 12.8 0.40| 5.5 2.2 3000 14 16 328 12| 2.1 1.5 3.6| 38.4 -18.3 20.0 6.7 0.16| 5.8 0.9 4000 16 16 330 11| 2.5 1.1 3.6| 66.0 -24.3 41.6 10.4 0.29| 6.1 1.8 5000 24 16 339 10| 2.1 0.9 3.0| 77.7 -28.5 49.2 9.8 0.26| 6.2 1.6 6000 31 15 344 8| 2.3 0.7 3.1| 79.1 -30.3 48.8 8.1 0.26| 6.1 1.6 Wrote GIF file: /home/apache/climate/data/raob//SBCG/skewt/SBCG.skewt.20251221.12.gif