UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025122100.upa.cvt Date: 0000Z 21 DEC 25 Searching for SBCG... Searching the city database file for: SBCG ... Date:0000Z 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 51 SFC 945 556 26.4 23.1 82 3.3 24.0 50 7 304.4 308.0 299.0 361.7 19.16 2 929 708 27.6 20.6 66 7.0 22.5 19 12 307.2 310.3 298.2 357.4 16.66 3 925 746 27.4 20.4 66 7.0 22.3 15 13 307.3 310.4 298.1 357.2 16.53 4 850 1490 21.2 18.0 82 3.2 18.9 10 15 308.4 311.3 297.7 355.2 15.46 5 816 1843 18.6 16.0 85 2.6 16.8 35 13 309.2 311.9 297.1 352.2 14.16 6 755 2507 14.4 14.0 97 0.4 14.1 56 18 311.6 314.2 297.3 352.8 13.44 7 711 3015 12.2 10.1 87 2.1 10.9 67 17 314.6 316.7 296.4 348.8 10.99 8 700 3146 12.4 8.0 74 4.4 9.6 70 15 316.2 318.1 295.8 346.5 9.67 9 693 3230 12.4 6.4 67 6.0 8.7 69 15 317.1 318.8 295.4 344.7 8.74 10 553 5093 2.6 -22.4 14 25.0 -6.0 64 12 326.7 326.9 291.9 330.7 1.15 11 509 5758 -2.5 -9.5 59 7.0 -5.7 97 3 328.3 329.0 294.5 340.7 3.66 12 500 5900 -2.7 -19.7 26 17.0 -8.8 105 1 329.7 330.1 293.2 335.4 1.60 13 492 6028 -3.1 -13.1 46 10.0 -7.3 95 2 330.8 331.4 294.4 340.5 2.83 14 479 6239 -4.5 -23.5 21 19.0 -10.6 105 4 331.6 331.8 293.3 335.9 1.20 15 459 6572 -7.1 -15.1 53 8.0 -10.2 140 10 332.4 332.9 294.7 341.4 2.58 16 454 6657 -7.1 -16.1 49 9.0 -10.6 149 12 333.5 333.9 294.8 341.9 2.40 17 427 7131 -10.7 -15.7 67 5.0 -12.6 132 12 334.8 335.3 295.3 344.0 2.64 18 400 7630 -13.9 -21.9 51 8.0 -16.4 105 11 336.9 337.3 295.0 342.9 1.66 19 375 8116 -17.9 -32.9 26 15.0 -21.1 117 9 337.9 338.0 294.4 340.3 0.64 20 363 8359 -19.9 -24.3 68 4.4 -21.1 132 8 338.4 338.7 295.2 343.8 1.47 21 362 8379 -19.9 -23.2 75 3.3 -20.8 135 8 338.7 339.0 295.4 344.6 1.63 22 339 8864 -22.1 -34.1 33 12.0 -24.5 186 9 342.1 342.2 295.4 344.5 0.63 23 330 9061 -23.9 -29.9 58 6.0 -25.2 207 9 342.2 342.4 295.7 345.9 0.97 24 313 9445 -26.7 -42.7 21 16.0 -28.9 249 10 343.6 343.6 295.4 344.7 0.28 25 303 9679 -28.3 -36.3 46 8.0 -29.6 231 8 344.5 344.6 295.9 346.7 0.57 26 300 9750 -28.7 -45.7 18 17.0 -30.7 225 8 344.9 345.0 295.7 345.8 0.21 27 292 9943 -30.3 -51.3 11 21.0 -32.3 213 9 345.3 345.4 295.7 345.8 0.12 28 279 10266 -33.1 -48.1 21 15.0 -34.6 192 10 345.8 345.9 295.8 346.6 0.18 29 276 10342 -33.5 -38.5 61 5.0 -34.2 187 10 346.3 346.4 296.3 348.3 0.50 30 269 10522 -35.1 -49.1 23 14.0 -36.3 183 11 346.5 346.6 296.0 347.2 0.16 31 267 10574 -35.1 -42.1 49 7.0 -35.9 182 11 347.3 347.4 296.4 348.7 0.35 32 250 11030 -39.1 -42.7 69 3.6 -39.5 175 13 347.9 348.0 296.5 349.4 0.35 33 241 11279 -41.3 -43.8 77 2.5 -41.5 169 13 348.3 348.4 296.5 349.6 0.33 34 224 11768 -45.1 -51.1 51 6.0 -45.4 158 12 349.8 349.9 296.7 350.5 0.16 35 222 11828 -45.5 -62.5 13 17.0 -46.1 156 12 350.1 350.1 296.7 350.3 0.04 36 212 12131 -48.5 -56.5 39 8.0 -48.8 149 12 350.1 350.1 296.7 350.5 0.09 37 210 12193 -48.9 -63.9 16 15.0 -49.3 147 11 350.4 350.4 296.7 350.6 0.03 38 207 12287 -49.5 -52.9 67 3.4 -49.7 145 11 350.9 350.9 297.0 351.5 0.14 39 200 12510 -51.7 -56.6 56 4.9 -51.9 155 11 350.9 350.9 296.9 351.3 0.09 40 193 12741 -53.7 -57.9 60 4.2 -53.8 161 11 351.3 351.3 297.0 351.6 0.08 41 150 14320 -66.7 -71.4 51 4.7 -66.7 205 11 355.2 355.2 297.7 355.3 0.02 42 133 15034 -72.7 -77.7 47 5.0 -72.7 195 6 356.9 356.9 298.1 357.0 0.01 43 110 16141 -74.1 -88.1 10 14.0 -74.2 84 27 374.2 374.2 301.3 374.2 0.00 44 100 16690 -78.1 -89.1 15 11.0 -78.1 75 36 376.8 376.8 301.7 376.8 0.00 45 88 17411 -81.7 -90.7 20 9.0 -81.7 95 37 383.6 383.6 302.8 383.7 0.00 46 77 18163 -78.7 -88.7 18 10.0 -78.7 98 34 404.8 404.8 305.9 404.8 0.00 47 71 18620 -81.1 -90.1 20 9.0 -81.1 83 31 409.2 409.2 306.4 409.2 0.00 48 70 18700 -80.7 -89.7 21 9.0 -80.7 90 30 411.7 411.7 306.7 411.7 0.00 49 61 19482 -79.3 -89.3 18 10.0 -79.3 99 25 431.4 431.4 309.0 431.4 0.00 50 50 20640 -70.5 -89.5 4 19.0 -70.6 95 20 477.4 477.4 313.2 477.4 0.00 51 46 21136 -69.9 -89.9 4 20.0 -70.1 94 19 490.3 490.3 314.2 490.3 0.00 52 44 21399 -71.9 -90.9 4 19.0 -72.1 56 19 491.7 491.7 314.4 491.7 0.00 53 39 22134 -58.5 -87.5 1 29.0 -59.3 79 24 542.9 542.9 317.7 542.9 0.00 54 32 23378 -58.3 -86.3 2 28.0 -59.3 80 31 575.0 575.0 319.4 575.0 0.01 TRP 88 17411 -81.7 -90.7 20 9.0 -81.7 95 37 383.6 383.6 302.8 383.7 0.00 WND Sounding variables and indices 1000-500 mb thick: 5849.00 m Freezing level: 530.57 mb = 5431.87 m = 17820.89 ft Wetbulb zero: 609.93 mb = 4283.98 m = 14054.89 ft Precipitable water: 1.88 inches Sfc-500 mean rel hum: 60.67 % Est. max temperature: 31.90 C = 89.43 F Sfc-Lift cond lev (LCL): 901.12 mb = 976.16 m = 3202.60 ft T: 25.48 C 700-500 lapse rate: 5.48 C/km ThetaE index: 22.12 C Layer 711.0- 509.0 mb Conv cond level (CCL): 806.71 mb = 1941.09 m = 6368.31 ft Mean mixing ratio: 16.28 g/kg Conv temperature: 31.46 C = 88.63 F Cap Strength: 1.25 C Lifted Index: -2.02 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -3.82 C Lifted Index @700 mb: 0.08 C Showalter Index: -1.49 C Risk: Thunderstorms probable Total Totals Index: 44.60 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 23.90 C Cross Totals Index: 20.70 C K Index: 37.50 Risk: > 80 % chance of thunderstorms Sweat Index: 247.00 Risk: None Energy Index: -3.76 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 1217.72 J/kg Max Up Vert Vel: 49.35 m/s Conv Inhibition (B-): 23.30 J/kg Cap Strength: 1.25 C Lift Cond Lev (LCL): 830.49 mb = 1690.93 m = 5547.60 ft Lev Free Conv (LFC): 775.49 mb = 2278.48 m = 7475.23 ft Equ Level (EL): 695.49 mb = 3200.32 m = 10499.61 ft B at Equ Level: 25.55 J/kg Max Parcel Lev (MPL): 85.49 mb = 17573.81 m = 57656.16 ft Wind level data Storm motion: 83 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 ---------------------------------------------------------- 0 945 556 50 7 -5.4 -4.5 | 312 5 3.7 -3.3 1 939 610 30 9 -4.5 -7.8 | 325 8 4.6 -6.6 2 925 746 15 13 -3.4 -12.6 | 333 13 5.7 -11.4 3 907 914 10 15 -2.6 -14.8 | 334 15 6.5 -13.6 4 850 1490 10 15 -2.6 -14.8 | 334 15 6.5 -13.6 5 847 1524 10 15 -2.6 -14.8 | 334 15 6.5 -13.6 6 817 1829 35 13 -7.5 -10.6 | 350 10 1.6 -9.5 7 788 2134 45 16 -11.3 -11.3 | 12 10 -2.2 -10.2 8 761 2438 55 18 -14.7 -10.3 | 32 11 -5.6 -9.2 9 734 2743 60 20 -17.3 -10.0 | 43 12 -8.2 -8.8 10 700 3146 70 15 -14.1 -5.1 | 51 6 -5.0 -4.0 11 610 4267 60 12 -10.4 -6.0 | 15 5 -1.3 -4.8 12 546 5182 65 12 -10.9 -5.1 | 24 4 -1.8 -3.9 13 500 5900 105 1 -1.0 0.3 | 260 8 8.1 1.4 14 488 6096 90 2 -2.0 0.0 | 261 7 7.1 1.2 15 451 6706 155 13 -5.5 11.8 | 196 13 3.6 12.9 16 401 7620 105 10 -9.7 2.6 | 172 4 -0.6 3.7 17 400 7630 105 11 -10.6 2.8 | 159 4 -1.5 4.0 18 369 8230 120 8 -6.9 4.0 | 203 6 2.2 5.2 19 313 9449 250 10 9.4 3.4 | 256 19 18.5 4.6 20 300 9750 225 8 5.7 5.7 | 245 16 14.8 6.8 21 275 10363 185 10 0.9 10.0 | 222 15 10.0 11.1 22 250 11030 175 13 -1.1 13.0 | 209 16 8.0 14.1 23 200 12497 140 11 -7.1 8.4 | 192 10 2.0 9.6 24 200 12510 155 11 -4.6 10.0 | 202 12 4.5 11.1 25 173 13411 180 12 0.0 12.0 | 215 16 9.1 13.2 26 165 13716 160 10 -3.4 9.4 | 208 12 5.7 10.6 27 150 14320 205 11 4.6 10.0 | 231 18 13.8 11.1 28 142 14630 205 10 4.2 9.1 | 233 17 13.3 10.2 29 128 15240 190 4 0.7 3.9 | 243 11 9.8 5.1 30 122 15545 125 11 -9.0 6.3 | 181 7 0.1 7.5 31 115 15850 75 16 -15.5 -4.1 | 65 7 -6.4 -3.0 32 110 16154 85 28 -27.9 -2.4 | 86 19 -18.8 -1.3 33 100 16690 75 36 -34.8 -9.3 | 72 27 -25.7 -8.2 34 94 17069 75 36 -34.8 -9.3 | 72 27 -25.7 -8.2 35 88 17411 95 37 -36.9 3.2 | 99 28 -27.8 4.4 36 79 17983 105 35 -33.8 9.1 | 112 27 -24.7 10.2 37 71 18593 80 31 -30.5 -5.4 | 79 22 -21.4 -4.2 38 70 18700 90 30 -30.0 0.0 | 93 21 -20.9 1.2 39 68 18898 90 30 -30.0 0.0 | 93 21 -20.9 1.2 40 64 19202 75 30 -29.0 -7.8 | 72 21 -19.9 -6.6 41 61 19507 100 25 -24.6 4.3 | 110 16 -15.5 5.5 42 55 20117 105 22 -21.3 5.7 | 119 14 -12.1 6.9 43 52 20422 90 22 -22.0 0.0 | 95 13 -12.9 1.2 44 50 20640 95 20 -19.9 1.7 | 105 11 -10.8 2.9 45 46 21031 95 19 -18.9 1.7 | 106 10 -9.8 2.8 46 43 21336 40 19 -12.2 -14.6 | 13 14 -3.1 -13.4 47 41 21641 70 22 -20.7 -7.5 | 61 13 -11.6 -6.4 48 38 21946 85 26 -25.9 -2.3 | 86 17 -16.8 -1.1 49 31 22860 80 31 -30.5 -5.4 | 79 22 -21.4 -4.2 50 28 23470 95 37 -36.9 3.2 | 99 28 -27.8 4.4 51 26 23774 100 31 -30.5 5.4 | 107 22 -21.4 6.5 Wind Parameters Mean winds (0-6000m): 52.7 at 12.2 knts Storm direction: 82.7 at 9.2 knts Shear (0-3000m) pos: 2.6 neg: 1.9 tot: 4.5 10-3/s Storm rel Dir Shear (0-3000m): 87.6 deg Storm rel helicity (0-3000m) pos: 48.3 neg: -2.0 tot: 46.3 m^2/s^2 ave: 15.4 10^-3 m/s^2 rel: 0.48 Storm rel vorticity (0-3000m) horiz: 5.8 stream: 2.8 10^-3/s Energy-Hel index: 0.31 Bulk Rich Number: 141.84 Bulk Shear: 8.59 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 15 13 333 13| 0.0 10.9 10.9| 6.8 0.0 6.8 13.6 0.30| 11.0 3.3 1000 12 14 334 14| 0.4 5.5 5.8| 8.5 0.0 8.5 8.5 0.32| 5.9 1.9 1500 18 14 339 13| 2.9 3.6 6.5| 25.5 0.0 25.5 17.0 0.48| 6.8 3.3 2000 28 15 350 12| 3.6 2.7 6.3| 40.7 0.0 40.7 20.3 0.59| 6.5 3.8 2500 36 16 0 11| 3.1 2.2 5.3| 47.9 0.0 47.9 19.2 0.56| 6.5 3.6 3000 42 15 6 10| 2.6 1.9 4.5| 48.3 -2.0 46.3 15.4 0.48| 5.8 2.8 4000 47 15 10 9| 1.9 1.6 3.5| 48.5 -5.1 43.4 10.9 0.39| 4.7 1.8 5000 50 14 11 8| 1.7 1.3 2.9| 49.2 -6.6 42.6 8.5 0.25| 4.6 1.1 6000 53 12 6 6| 2.0 1.0 3.1| 50.5 -17.3 33.3 5.5 0.08| 5.2 0.4 Wrote GIF file: /home/apache/climate/data/raob//SBCG/skewt/SBCG.skewt.20251221.00.gif