UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120612.upa.cvt Date: 1200Z 6 DEC 25 Searching for SBCG... Searching the city database file for: SBCG ... Date:1200Z 6 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 85 SFC 948 556 25.6 21.9 80 3.7 22.9 150 3 303.3 306.6 297.9 356.0 17.72 2 925 773 23.2 21.0 87 2.2 21.6 25 6 303.0 306.2 297.5 354.0 17.17 3 896 1051 21.2 19.1 88 2.1 19.7 16 10 303.7 306.6 296.7 350.5 15.72 4 850 1507 19.0 17.0 88 2.0 17.6 70 8 306.0 308.8 296.5 349.5 14.49 5 801 2015 15.4 15.4 100 0.0 15.4 55 16 307.5 310.1 296.5 349.3 13.87 6 737 2720 12.2 10.5 89 1.7 11.1 46 16 311.4 313.4 295.4 344.8 10.89 7 707 3069 11.2 7.1 76 4.1 8.7 53 13 314.0 315.7 294.8 342.0 8.99 8 700 3152 10.6 6.2 74 4.4 7.9 55 12 314.2 315.9 294.5 340.8 8.53 9 627 4061 3.6 2.6 93 1.0 3.0 65 13 316.3 317.7 294.2 339.6 7.39 10 592 4527 1.6 0.0 89 1.6 0.7 42 10 319.2 320.5 294.3 339.9 6.48 11 511 5707 -2.9 -17.9 30 15.0 -8.4 96 6 327.5 327.8 292.7 333.8 1.83 12 500 5880 -3.9 -22.9 21 19.0 -10.0 105 5 328.3 328.5 292.4 332.6 1.21 13 487 6087 -5.5 -28.5 14 23.0 -11.8 91 6 328.8 329.0 292.1 331.5 0.75 14 478 6233 -6.1 -25.1 21 19.0 -11.8 71 5 329.8 330.0 292.7 333.6 1.04 15 475 6282 -6.3 -45.3 3 39.0 -13.5 64 4 330.2 330.2 291.9 330.7 0.14 16 456 6600 -8.7 -20.7 37 12.0 -12.7 17 1 331.0 331.4 293.5 336.7 1.61 17 436 6945 -10.9 -31.9 16 21.0 -15.9 3 1 332.5 332.6 293.0 334.8 0.61 18 406 7488 -15.3 -26.3 38 11.0 -18.2 9 3 333.7 333.9 293.7 337.7 1.10 19 404 7525 -15.7 -20.7 65 5.0 -17.3 9 4 333.6 334.0 294.3 340.1 1.82 20 401 7581 -15.9 -23.9 50 8.0 -18.2 10 4 334.1 334.4 294.1 339.1 1.38 21 400 7600 -16.1 -19.5 75 3.4 -17.2 10 4 334.1 334.5 294.6 341.3 2.04 22 389 7809 -17.1 -28.1 38 11.0 -19.8 333 7 335.4 335.6 294.1 339.0 0.97 23 364 8304 -20.5 -37.5 20 17.0 -23.5 258 12 337.3 337.4 294.0 338.9 0.42 24 338 8846 -25.3 -30.3 63 5.0 -26.3 288 11 338.0 338.2 294.7 341.4 0.91 25 316 9331 -29.1 -33.1 68 4.0 -29.8 273 10 339.3 339.4 294.8 342.1 0.74 26 313 9399 -29.3 -39.3 37 10.0 -30.7 261 10 339.9 340.0 294.7 341.5 0.40 27 300 9700 -32.1 -39.1 50 7.0 -33.0 235 14 340.1 340.2 294.7 341.8 0.43 28 288 9987 -34.3 -37.0 76 2.7 -34.7 254 12 341.0 341.1 295.1 343.1 0.56 29 273 10358 -37.3 -42.2 60 4.9 -37.8 241 15 341.9 342.0 295.1 343.2 0.34 30 269 10460 -37.7 -51.7 22 14.0 -38.7 231 14 342.8 342.8 295.1 343.3 0.12 31 266 10537 -38.3 -54.3 17 16.0 -39.3 223 13 343.0 343.0 295.1 343.4 0.09 32 250 10960 -42.1 -55.1 23 13.0 -42.8 205 16 343.5 343.5 295.3 343.8 0.09 33 246 11069 -42.7 -56.7 20 14.0 -43.4 205 19 344.2 344.2 295.4 344.5 0.07 34 241 11208 -43.5 -55.5 25 12.0 -44.1 204 22 345.0 345.0 295.6 345.4 0.09 35 235 11377 -44.7 -47.8 71 3.1 -44.9 203 26 345.7 345.7 295.8 346.6 0.22 36 226 11638 -45.9 -53.9 40 8.0 -46.3 202 32 347.7 347.7 296.3 348.2 0.11 37 206 12248 -51.1 -69.1 10 18.0 -51.5 200 45 348.9 348.9 296.4 349.0 0.02 38 200 12440 -52.9 -69.9 11 17.0 -53.2 200 43 349.0 349.0 296.4 349.1 0.02 39 181 13074 -58.7 -65.7 40 7.0 -58.8 195 36 349.6 349.7 296.6 349.8 0.03 40 171 13429 -61.1 -76.1 12 15.0 -61.2 205 34 351.4 351.4 297.0 351.4 0.01 41 160 13838 -64.1 -71.1 38 7.0 -64.2 232 45 353.1 353.1 297.3 353.2 0.02 42 150 14230 -67.3 -75.3 31 8.0 -67.4 240 46 354.2 354.2 297.5 354.2 0.01 43 138 14726 -71.3 -77.3 40 6.0 -71.3 242 40 355.7 355.7 297.8 355.7 0.01 44 132 14988 -72.3 -77.2 48 4.9 -72.3 244 36 358.4 358.4 298.4 358.5 0.01 45 113 15896 -73.9 -83.9 20 10.0 -73.9 184 20 371.7 371.7 300.9 371.7 0.00 46 100 16600 -78.3 -85.3 31 7.0 -78.3 140 15 376.4 376.4 301.6 376.5 0.00 47 90 17196 -81.3 -89.3 25 8.0 -81.3 110 16 382.0 382.0 302.6 382.0 0.00 48 70 18630 -74.7 -87.7 12 13.0 -74.7 70 11 424.6 424.6 308.2 424.6 0.00 49 63 19247 -72.5 -88.5 7 16.0 -72.6 52 10 442.4 442.4 310.1 442.4 0.00 50 60 19534 -73.3 -89.3 7 16.0 -73.4 84 11 446.8 446.8 310.6 446.9 0.00 51 57 19838 -69.3 -88.3 5 19.0 -69.5 83 17 462.5 462.5 312.0 462.5 0.00 52 50 20620 -70.5 -89.5 4 19.0 -70.6 75 15 477.4 477.4 313.2 477.4 0.00 53 41 21810 -66.7 -88.7 3 22.0 -67.0 103 25 514.7 514.7 315.9 514.7 0.00 54 31 23525 -61.1 -87.1 2 26.0 -61.9 90 37 572.7 572.7 319.3 572.7 0.01 55 30 23730 -57.5 -86.5 1 29.0 -58.7 90 38 587.9 587.9 320.0 587.9 0.01 56 28 24167 -55.9 -84.9 1 29.0 -57.4 88 38 604.0 604.1 320.8 604.1 0.01 57 22 25709 -53.9 -83.9 1 30.0 -56.2 80 40 653.1 653.1 322.8 653.3 0.02 TRP 90 17196 -81.3 -89.3 25 8.0 -81.3 110 16 382.0 382.0 302.6 382.0 0.00 WND Sounding variables and indices 1000-500 mb thick: 5795.00 m Freezing level: 563.20 mb = 4946.90 m = 16229.80 ft Wetbulb zero: 585.59 mb = 4614.62 m = 15139.64 ft Precipitable water: 1.89 inches Sfc-500 mean rel hum: 79.62 % Est. max temperature: 29.82 C = 85.67 F Sfc-Lift cond lev (LCL): 898.47 mb = 1026.75 m = 3368.55 ft T: 21.37 C 700-500 lapse rate: 5.32 C/km ThetaE index: 16.40 C Layer 925.0- 592.0 mb Conv cond level (CCL): 841.39 mb = 1594.22 m = 5230.30 ft Mean mixing ratio: 15.99 g/kg Conv temperature: 28.50 C = 83.30 F Cap Strength: 0.97 C Lifted Index: -1.58 C Risk: Thunderstorms probable Lifted Index @300 mb: -4.67 C Lifted Index @700 mb: -0.49 C Showalter Index: -0.76 C Risk: Thunderstorms probable Total Totals Index: 43.80 C Risk: None Vertical Totals Index: 22.90 C Cross Totals Index: 20.90 C K Index: 35.50 Risk: > 80 % chance of thunderstorms Sweat Index: 225.00 Risk: None Energy Index: -3.26 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 1155.13 J/kg Max Up Vert Vel: 48.07 m/s Conv Inhibition (B-): 12.35 J/kg Cap Strength: 0.97 C Lift Cond Lev (LCL): 868.08 mb = 1324.80 m = 4346.41 ft Lev Free Conv (LFC): 813.08 mb = 1887.25 m = 6191.68 ft Equ Level (EL): 163.08 mb = 13720.94 m = 45015.65 ft B at Equ Level: 1145.28 J/kg Max Parcel Lev (MPL): 93.08 mb = 17005.36 m = 55791.17 ft Wind level data Storm motion: 84 at 8 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 ---------------------------------------------------------- 0 948 556 150 3 -1.5 2.6 | 241 7 6.2 3.4 1 942 610 85 1 -1.0 -0.1 | 264 7 6.7 0.7 2 925 773 25 6 -2.5 -5.4 | 312 7 5.1 -4.7 3 910 914 360 10 -0.0 -10.0 | 320 12 7.7 -9.2 4 850 1507 70 8 -7.5 -2.7 | 356 2 0.1 -2.0 5 848 1524 75 10 -9.7 -2.6 | 48 3 -2.0 -1.8 6 789 2134 50 17 -13.0 -10.9 | 28 11 -5.4 -10.1 7 762 2438 40 18 -11.6 -13.8 | 17 14 -3.9 -13.0 8 700 3152 55 12 -9.8 -6.9 | 20 6 -2.2 -6.1 9 633 3962 70 14 -13.2 -4.8 | 54 7 -5.5 -4.0 10 610 4267 50 11 -8.4 -7.1 | 7 6 -0.8 -6.3 11 588 4572 40 10 -6.4 -7.7 | 350 7 1.2 -6.9 12 500 5880 105 5 -4.8 1.3 | 234 4 2.8 2.1 13 486 6096 90 6 -6.0 0.0 | 245 2 1.7 0.8 14 449 6706 0 0 -0.0 -0.0 | 264 8 7.7 0.8 15 400 7600 10 4 -0.7 -3.9 | 294 8 7.0 -3.2 16 367 8230 255 12 11.6 3.1 | 259 20 19.2 3.9 17 324 9144 305 10 8.2 -5.7 | 287 17 15.8 -5.0 18 311 9449 250 10 9.4 3.4 | 256 18 17.0 4.2 19 300 9700 235 14 11.5 8.0 | 245 21 19.1 8.8 20 298 9754 235 14 11.5 8.0 | 245 21 19.1 8.8 21 285 10058 260 11 10.8 1.9 | 262 19 18.5 2.7 22 273 10363 240 15 13.0 7.5 | 248 22 20.6 8.3 23 261 10668 210 12 6.0 10.4 | 231 18 13.7 11.2 24 250 10960 205 16 6.8 14.5 | 223 21 14.4 15.3 25 208 12192 200 45 15.4 42.3 | 208 49 23.0 43.1 26 200 12440 200 43 14.7 40.4 | 208 47 22.4 41.2 27 180 13106 195 36 9.3 34.8 | 206 39 17.0 35.6 28 171 13411 205 34 14.4 30.8 | 215 39 22.0 31.6 29 155 14021 245 50 45.3 21.1 | 248 57 53.0 21.9 30 150 14230 240 46 39.8 23.0 | 243 53 47.5 23.8 31 126 15240 245 33 29.9 13.9 | 249 40 37.6 14.7 32 120 15545 205 22 9.3 19.9 | 219 27 16.9 20.7 33 100 16600 140 15 -9.6 11.5 | 171 12 -2.0 12.3 34 97 16764 140 15 -9.6 11.5 | 171 12 -2.0 12.3 35 90 17196 110 16 -15.0 5.5 | 130 10 -7.4 6.3 36 87 17374 105 19 -18.4 4.9 | 118 12 -10.7 5.7 37 83 17678 125 15 -12.3 8.6 | 154 10 -4.6 9.4 38 78 17983 100 13 -12.8 2.3 | 121 6 -5.2 3.0 39 70 18593 110 5 -4.7 1.7 | 230 4 3.0 2.5 40 70 18630 70 11 -10.3 -3.8 | 42 4 -2.7 -3.0 41 67 18898 85 10 -10.0 -0.9 | 88 2 -2.3 -0.1 42 64 19202 45 10 -7.1 -7.1 | 355 6 0.6 -6.3 43 60 19507 85 10 -10.0 -0.9 | 88 2 -2.3 -0.1 44 57 19812 80 17 -16.7 -3.0 | 77 9 -9.1 -2.2 45 54 20117 105 16 -15.5 4.1 | 122 9 -7.8 4.9 46 50 20620 75 15 -14.5 -3.9 | 66 8 -6.8 -3.1 47 49 20726 65 22 -19.9 -9.3 | 55 15 -12.3 -8.5 48 47 21031 70 17 -16.0 -5.8 | 59 10 -8.3 -5.0 49 44 21336 115 15 -13.6 6.3 | 140 9 -5.9 7.1 50 42 21641 125 16 -13.1 9.2 | 151 11 -5.5 10.0 51 40 21946 90 30 -30.0 0.0 | 92 22 -22.3 0.8 52 30 23730 90 38 -38.0 0.0 | 91 30 -30.3 0.8 53 22 24994 80 40 -39.4 -6.9 | 79 32 -31.7 -6.2 54 17 25908 75 28 -27.0 -7.2 | 72 20 -19.4 -6.5 Wind Parameters Mean winds (0-6000m): 54.2 at 10.3 knts Storm direction: 84.2 at 7.7 knts Shear (0-3000m) pos: 2.5 neg: 3.7 tot: 6.2 10-3/s Storm rel Dir Shear (0-3000m): 155.4 deg Storm rel helicity (0-3000m) pos: 30.3 neg: -13.2 tot: 17.1 m^2/s^2 ave: 5.7 10^-3 m/s^2 rel: 0.29 Storm rel vorticity (0-3000m) horiz: 7.9 stream: 2.3 10^-3/s Energy-Hel index: 0.19 Bulk Rich Number: 193.10 Bulk Shear: 5.98 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 14 6 312 8| 0.0 12.1 12.1| 18.2 0.0 18.2 36.3 0.68| 15.5 10.6 1000 31 8 327 7| 4.9 6.1 11.0| 24.9 0.0 24.9 24.9 0.62| 13.0 8.1 1500 46 10 353 6| 3.3 6.5 9.8| 24.9 -3.8 21.1 14.1 0.42| 11.2 4.7 2000 46 12 4 7| 2.4 5.5 8.0| 25.7 -13.0 12.7 6.3 0.29| 9.8 2.9 2500 46 12 8 8| 2.6 4.4 7.0| 27.1 -13.1 14.0 5.6 0.27| 8.9 2.4 3000 48 12 11 8| 2.5 3.7 6.2| 30.3 -13.2 17.1 5.7 0.29| 7.9 2.3 4000 51 12 15 7| 1.9 3.0 4.9| 33.8 -25.3 8.5 2.1 0.15| 7.1 1.1 5000 52 11 12 6| 2.2 2.4 4.6| 34.4 -26.2 8.2 1.6 0.10| 6.5 0.6 6000 54 10 7 5| 1.9 2.2 4.1| 35.8 -28.3 7.5 1.2 0.10| 6.2 0.6 Wrote GIF file: /home/apache/climate/data/raob//SBCG/skewt/SBCG.skewt.20251206.12.gif