UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025122812.upa.cvt Date: 1200Z 28 DEC 25 Searching for SBCG... Searching the city database file for: SBCG ... Date:1200Z 28 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 102 SFC 950 556 28.8 20.8 62 8.0 23.0 20 1 306.4 309.5 297.9 356.0 16.49 2 941 641 26.4 20.4 70 6.0 22.1 200 2 304.8 307.8 297.3 353.3 16.24 3 925 794 25.2 19.2 69 6.0 20.9 175 1 305.1 307.9 296.8 350.8 15.31 4 899 1044 23.6 17.6 69 6.0 19.4 201 2 305.9 308.6 296.3 348.6 14.23 5 863 1400 22.6 14.6 61 8.0 17.2 302 6 308.5 310.8 295.6 345.5 12.20 6 850 1532 21.6 14.6 64 7.0 16.8 340 8 308.8 311.1 295.8 346.4 12.39 7 759 2504 14.0 12.2 89 1.8 12.8 16 19 310.7 313.0 296.0 347.0 11.85 8 721 2937 10.8 7.6 81 3.2 8.8 358 19 311.8 313.5 294.3 339.9 9.13 9 707 3101 10.6 3.6 62 7.0 6.5 356 19 313.3 314.7 293.1 335.3 7.03 10 700 3184 9.8 6.0 77 3.8 7.5 355 19 313.3 314.9 294.2 339.5 8.41 11 699 3196 9.8 6.6 80 3.2 7.9 355 19 313.5 315.1 294.5 340.8 8.78 12 585 4653 0.0 0.0 100 0.0 0.0 25 21 318.4 319.7 294.1 339.3 6.56 13 507 5791 -5.9 -11.9 63 6.0 -8.4 15 14 324.6 325.2 293.0 334.7 3.03 14 500 5900 -6.9 -11.9 67 5.0 -8.9 25 13 324.6 325.2 293.0 334.9 3.07 15 498 5931 -7.1 -11.3 72 4.2 -8.8 27 13 324.8 325.4 293.2 335.6 3.24 16 491 6042 -6.5 -24.5 22 18.0 -11.9 36 13 326.8 327.0 291.9 330.6 1.07 17 481 6202 -7.5 -19.5 38 12.0 -11.6 42 13 327.5 327.8 292.6 333.4 1.70 18 470 6382 -7.3 -37.3 7 30.0 -13.8 46 13 329.9 330.0 292.0 331.2 0.33 19 458 6584 -8.1 -35.1 9 27.0 -14.3 51 14 331.4 331.5 292.5 333.0 0.42 20 400 7620 -15.7 -32.7 22 17.0 -19.4 75 12 334.6 334.7 293.6 336.9 0.61 21 359 8426 -21.5 -35.5 27 14.0 -24.1 86 9 337.3 337.4 294.1 339.3 0.52 22 323 9194 -28.1 -35.1 51 7.0 -29.3 56 12 338.5 338.7 294.5 340.8 0.60 23 316 9350 -29.1 -35.1 56 6.0 -30.1 62 15 339.3 339.4 294.7 341.6 0.61 24 312 9441 -29.5 -37.5 46 8.0 -30.7 65 17 340.0 340.1 294.8 341.9 0.49 25 310 9487 -29.7 -34.7 62 5.0 -30.5 67 18 340.3 340.4 295.0 342.8 0.65 26 305 9603 -30.5 -40.5 37 10.0 -31.8 71 20 340.8 340.9 294.8 342.2 0.37 27 304 9626 -30.5 -35.3 63 4.8 -31.3 72 21 341.1 341.2 295.1 343.5 0.62 28 300 9720 -31.3 -38.3 50 7.0 -32.3 75 23 341.3 341.4 295.1 343.1 0.47 29 265 10582 -37.9 -50.9 24 13.0 -38.8 58 30 343.9 344.0 295.4 344.5 0.13 30 258 10766 -39.1 -49.1 34 10.0 -39.9 60 36 344.8 344.9 295.6 345.5 0.17 31 252 10926 -39.9 -59.9 10 20.0 -40.9 67 43 346.0 346.0 295.8 346.2 0.05 32 250 10980 -40.3 -58.3 13 18.0 -41.2 70 46 346.2 346.2 295.8 346.4 0.06 33 220 11837 -47.7 -60.7 21 13.0 -48.1 65 46 347.6 347.6 296.1 347.8 0.05 34 200 12460 -51.9 -69.9 10 18.0 -52.2 65 41 350.6 350.6 296.8 350.6 0.02 35 186 12927 -55.7 -66.7 24 11.0 -55.9 65 38 351.8 351.8 297.0 351.9 0.03 36 183 13031 -56.3 -74.3 9 18.0 -56.5 65 37 352.5 352.5 297.2 352.5 0.01 37 171 13459 -59.1 -73.1 15 14.0 -59.3 65 35 354.7 354.7 297.7 354.8 0.01 38 160 13874 -62.3 -66.5 57 4.2 -62.4 68 32 356.1 356.1 298.0 356.3 0.03 39 156 14030 -63.7 -72.7 28 9.0 -63.8 71 31 356.3 356.3 298.0 356.4 0.01 40 153 14149 -64.7 -70.7 43 6.0 -64.8 73 31 356.6 356.6 298.0 356.7 0.02 41 150 14270 -64.7 -72.7 32 8.0 -64.8 75 30 358.6 358.6 298.4 358.7 0.01 42 143 14560 -66.9 -80.9 12 14.0 -67.0 87 26 359.7 359.7 298.7 359.7 0.00 43 113 15948 -76.5 -82.5 38 6.0 -76.5 85 22 366.9 366.9 300.0 366.9 0.00 44 102 16536 -77.5 -87.5 19 10.0 -77.5 77 34 375.9 375.9 301.6 375.9 0.00 45 100 16650 -76.1 -89.1 11 13.0 -76.2 65 28 380.7 380.7 302.3 380.7 0.00 46 78 18061 -83.9 -91.9 23 8.0 -83.9 85 29 392.6 392.6 304.2 392.6 0.00 47 71 18590 -79.9 -89.9 17 10.0 -79.9 65 28 411.8 411.8 306.7 411.8 0.00 48 70 18670 -80.7 -90.7 17 10.0 -80.7 70 34 411.7 411.7 306.7 411.7 0.00 49 68 18833 -80.9 -90.9 17 10.0 -80.9 74 35 414.7 414.7 307.1 414.7 0.00 50 63 19270 -72.9 -88.9 7 16.0 -73.0 86 32 441.5 441.5 310.0 441.5 0.00 51 57 19851 -75.9 -90.9 8 15.0 -76.0 111 37 447.5 447.5 310.6 447.6 0.00 52 50 20610 -73.5 -91.5 5 18.0 -73.6 85 26 470.3 470.3 312.7 470.3 0.00 53 39 22121 -58.9 -87.9 1 29.0 -59.7 105 31 541.8 541.8 317.6 541.9 0.00 54 34 22978 -61.9 -90.9 1 29.0 -62.6 118 33 555.6 555.6 318.4 555.7 0.00 55 30 23760 -58.9 -89.9 1 31.0 -59.9 100 23 584.1 584.1 319.9 584.1 0.00 56 29 23973 -58.9 -89.9 1 31.0 -60.0 81 24 589.8 589.8 320.2 589.8 0.00 57 26 24653 -62.3 -91.3 1 29.0 -63.1 95 23 598.8 598.8 320.6 598.8 0.00 58 24 25148 -61.7 -91.7 1 30.0 -62.6 49 26 614.4 614.4 321.2 614.4 0.00 59 22 25696 -54.5 -88.5 1 34.0 -56.6 66 21 651.4 651.4 322.7 651.4 0.01 TRP 78 18061 -83.9 -91.9 23 8.0 -83.9 85 29 392.6 392.6 304.2 392.6 0.00 WND Sounding variables and indices 1000-500 mb thick: 5798.00 m Freezing level: 585.00 mb = 4653.31 m = 15266.57 ft Wetbulb zero: 584.82 mb = 4655.81 m = 15274.78 ft Precipitable water: 1.78 inches Sfc-500 mean rel hum: 79.80 % Est. max temperature: 32.17 C = 89.91 F Sfc-Lift cond lev (LCL): 846.01 mb = 1572.37 m = 5158.63 ft T: 21.28 C 700-500 lapse rate: 6.15 C/km ThetaE index: 11.70 C Layer 721.0- 700.0 mb Conv cond level (CCL): 771.97 mb = 2358.64 m = 7738.22 ft Mean mixing ratio: 14.15 g/kg Conv temperature: 32.77 C = 90.98 F Cap Strength: 2.85 C Lifted Index: -3.58 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -2.37 C Lifted Index @700 mb: -0.53 C Showalter Index: -2.64 C Risk: Severe thunderstorms possible Total Totals Index: 50.00 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 28.50 C Cross Totals Index: 21.50 C K Index: 39.30 Risk: > 80 % chance of thunderstorms Sweat Index: 224.20 Risk: None Energy Index: -2.24 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 713.04 J/kg Max Up Vert Vel: 37.76 m/s Conv Inhibition (B-): 85.27 J/kg Cap Strength: 2.85 C Lift Cond Lev (LCL): 816.22 mb = 1880.13 m = 6168.34 ft Lev Free Conv (LFC): 731.22 mb = 2818.17 m = 9245.85 ft Equ Level (EL): 211.22 mb = 12103.20 m = 39708.17 ft B at Equ Level: 707.28 J/kg Max Parcel Lev (MPL): 121.22 mb = 15534.08 m = 50964.21 ft Wind level data Storm motion: 44 at 12 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 20 1 -0.3 -0.9 | 226 11 7.7 7.5 1 944 610 205 2 0.8 1.8 | 221 14 8.9 10.2 2 925 794 175 1 -0.1 1.0 | 220 12 8.0 9.4 3 912 914 165 1 -0.3 1.0 | 220 12 7.8 9.4 4 850 1532 340 8 2.7 -7.5 | 265 11 10.8 0.9 5 821 1829 345 13 3.4 -12.6 | 290 12 11.4 -4.2 6 792 2134 10 17 -3.0 -16.7 | 328 10 5.1 -8.3 7 764 2438 20 19 -6.5 -17.9 | 351 10 1.6 -9.5 8 737 2743 360 19 -0.0 -19.0 | 323 13 8.1 -10.6 9 700 3184 355 19 1.7 -18.9 | 317 14 9.7 -10.5 10 660 3658 5 22 -1.9 -21.9 | 336 15 6.2 -13.5 11 612 4267 25 20 -8.5 -18.1 | 2 10 -0.4 -9.7 12 568 4877 25 21 -8.9 -19.0 | 4 11 -0.8 -10.6 13 547 5182 20 20 -6.8 -18.8 | 353 10 1.2 -10.4 14 507 5791 15 14 -3.6 -13.5 | 319 7 4.4 -5.1 15 500 5900 25 13 -5.5 -11.8 | 323 4 2.6 -3.4 16 487 6096 40 13 -8.4 -10.0 | 10 2 -0.3 -1.6 17 433 7010 60 14 -12.1 -7.0 | 109 4 -4.1 1.4 18 416 7315 55 10 -8.2 -5.7 | 177 3 -0.1 2.7 19 400 7620 75 12 -11.6 -3.1 | 146 6 -3.5 5.3 20 400 7620 80 12 -11.8 -2.1 | 149 7 -3.7 6.3 21 368 8230 80 8 -7.9 -1.4 | 182 7 0.2 7.0 22 353 8534 90 10 -10.0 0.0 | 167 9 -1.9 8.4 23 325 9144 55 11 -9.0 -6.3 | 156 2 -0.9 2.1 24 300 9720 75 23 -22.2 -6.0 | 100 14 -14.1 2.4 25 286 10058 75 24 -23.2 -6.2 | 98 15 -15.1 2.2 26 262 10668 55 31 -25.4 -17.8 | 62 20 -17.3 -9.4 27 250 10980 70 46 -43.2 -15.7 | 78 36 -35.2 -7.3 28 228 11582 65 48 -43.5 -20.3 | 71 37 -35.4 -11.9 29 200 12460 65 41 -37.2 -17.3 | 73 30 -29.1 -8.9 30 164 13716 65 33 -29.9 -13.9 | 76 23 -21.8 -5.6 31 150 14270 75 30 -29.0 -7.8 | 92 21 -20.9 0.6 32 141 14630 90 25 -25.0 0.0 | 116 19 -16.9 8.4 33 127 15240 65 22 -19.9 -9.3 | 86 12 -11.9 -0.9 34 121 15545 75 18 -17.4 -4.7 | 112 10 -9.3 3.7 35 109 16154 90 25 -25.0 0.0 | 116 19 -16.9 8.4 36 103 16459 85 38 -37.9 -3.3 | 100 30 -29.8 5.1 37 100 16650 65 28 -25.4 -11.8 | 79 18 -17.3 -3.4 38 98 16764 65 28 -25.4 -11.8 | 79 18 -17.3 -3.4 39 88 17374 70 28 -26.3 -9.6 | 86 18 -18.2 -1.2 40 83 17678 105 27 -26.1 7.0 | 131 24 -18.0 15.4 41 78 18061 85 29 -28.9 -2.5 | 106 22 -20.8 5.9 42 75 18288 100 34 -33.5 5.9 | 119 29 -25.4 14.3 43 71 18593 65 28 -25.4 -11.8 | 79 18 -17.3 -3.4 44 70 18670 70 34 -31.9 -11.6 | 82 24 -23.9 -3.2 45 67 18898 75 36 -34.8 -9.3 | 88 27 -26.7 -0.9 46 64 19202 75 32 -30.9 -8.3 | 90 23 -22.8 0.1 47 61 19507 120 30 -26.0 15.0 | 143 29 -17.9 23.4 48 54 20117 105 43 -41.5 11.1 | 120 39 -33.5 19.5 49 50 20610 85 26 -25.9 -2.3 | 109 19 -17.8 6.1 50 49 20726 85 19 -18.9 -1.7 | 122 13 -10.9 6.7 51 42 21641 75 25 -24.1 -6.5 | 97 16 -16.1 1.9 52 36 22555 130 36 -27.6 23.1 | 148 37 -19.5 31.5 53 31 23470 105 29 -28.0 7.5 | 129 26 -19.9 15.9 54 30 23760 100 23 -22.7 4.0 | 130 19 -14.6 12.4 55 30 23774 70 24 -22.6 -8.2 | 91 14 -14.5 0.2 56 28 24079 95 23 -22.9 2.0 | 125 18 -14.8 10.4 57 26 24384 95 23 -22.9 2.0 | 125 18 -14.8 10.4 58 24 24689 50 27 -20.7 -17.4 | 55 15 -12.6 -9.0 59 23 24994 45 19 -13.4 -13.4 | 47 7 -5.4 -5.0 60 21 25298 105 26 -25.1 6.7 | 132 23 -17.0 15.1 61 18 25908 110 39 -36.6 13.3 | 127 36 -28.6 21.7 Wind Parameters Mean winds (0-6000m): 13.9 at 15.5 knts Storm direction: 43.9 at 11.6 knts Shear (0-3000m) pos: 4.2 neg: 1.2 tot: 5.4 10-3/s Storm rel Dir Shear (0-3000m): 105.5 deg Storm rel helicity (0-3000m) pos: 102.0 neg: -24.8 tot: 77.3 m^2/s^2 ave: 25.8 10^-3 m/s^2 rel: 0.49 Storm rel vorticity (0-3000m) horiz: 8.0 stream: 3.9 10^-3/s Energy-Hel index: 0.39 Bulk Rich Number: 18.68 Bulk Shear: 38.18 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 ------------------------------------------------------------------------------- 500 191 1 220 13| 0.0 3.7 3.7| 1.2 -4.7 -3.5 -7.0 -0.20| 5.9 -1.2 1000 334 3 241 11| 5.4 1.9 7.2| 45.5 -4.7 40.8 40.8 0.54| 10.0 5.4 1500 346 7 258 10| 6.3 1.2 7.6| 74.5 -4.7 69.7 46.5 0.69| 10.2 7.0 2000 1 9 277 8| 5.5 0.9 6.5| 88.5 -9.7 78.8 39.4 0.64| 9.6 6.1 2500 1 11 291 8| 4.4 1.5 5.9| 88.5 -23.6 64.8 25.9 0.46| 8.8 4.0 3000 0 13 299 9| 4.2 1.2 5.4|102.0 -24.8 77.3 25.8 0.49| 8.0 3.9 4000 6 15 315 9| 3.3 0.9 4.2|124.6 -24.8 99.9 25.0 0.54| 7.1 3.8 5000 10 16 324 9| 2.6 1.2 3.9|125.1 -37.2 87.9 17.6 0.40| 6.4 2.6 6000 14 16 327 8| 2.1 1.0 3.1|127.8 -40.7 87.1 14.5 0.38| 6.2 2.4 Wrote GIF file: /home/apache/climate/data/raob//SBCG/skewt/SBCG.skewt.20251228.12.gif