UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120112.upa.cvt Date: 1200Z 1 DEC 25 Searching for SBCG... Searching the city database file for: SBCG ... Date:1200Z 1 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 81 SFC 947 556 27.2 19.2 62 8.0 21.5 320 11 305.1 307.8 296.5 349.7 14.95 2 946 566 25.4 18.4 65 7.0 20.5 320 11 303.3 306.0 295.6 345.5 14.22 3 925 770 23.6 18.6 74 5.0 20.1 305 18 303.4 306.2 296.0 347.2 14.74 4 905 961 22.2 18.6 80 3.6 19.6 301 21 303.9 306.7 296.4 348.7 15.07 5 866 1345 22.8 12.8 53 10.0 16.2 307 15 308.4 310.4 294.6 341.1 10.79 6 850 1507 21.4 15.4 69 6.0 17.3 310 13 308.6 311.0 296.2 348.1 13.06 7 835 1661 20.0 15.8 77 4.2 17.1 310 12 308.7 311.2 296.7 350.0 13.65 8 805 1977 18.8 8.8 52 10.0 12.5 312 8 310.6 312.3 293.8 337.9 8.86 9 777 2280 16.0 11.0 72 5.0 12.7 322 4 310.8 312.8 295.1 343.5 10.67 10 730 2808 12.6 2.6 50 10.0 6.9 342 9 312.7 313.9 292.4 332.4 6.33 11 700 3159 9.6 6.7 82 2.9 7.8 360 14 313.1 314.8 294.4 340.5 8.83 12 689 3291 8.4 7.2 92 1.2 7.6 7 15 313.2 315.0 294.8 342.0 9.29 13 654 3720 4.8 4.5 98 0.3 4.6 351 13 313.8 315.4 294.1 339.1 8.11 14 652 3745 4.8 4.5 98 0.3 4.6 349 13 314.1 315.7 294.2 339.5 8.13 15 633 3986 3.6 -2.4 65 6.0 0.5 336 12 315.4 316.4 292.2 331.5 5.07 16 619 4167 1.8 1.3 96 0.5 1.5 326 12 315.4 316.7 293.5 336.8 6.81 17 584 4637 0.4 -5.6 64 6.0 -2.5 285 13 319.0 319.9 292.5 333.0 4.32 18 542 5234 -2.9 -4.2 91 1.3 -3.6 249 14 322.0 323.0 294.0 338.9 5.18 19 500 5870 -6.7 -9.5 80 2.8 -7.9 255 14 324.9 325.6 293.6 337.3 3.72 20 473 6300 -10.1 -15.1 67 5.0 -11.9 230 12 325.9 326.4 292.9 334.4 2.50 21 470 6349 -9.7 -22.7 34 13.0 -13.6 226 12 326.9 327.2 292.2 331.6 1.31 22 468 6382 -9.5 -22.5 34 13.0 -13.5 222 11 327.6 327.9 292.3 332.3 1.34 23 455 6599 -10.7 -18.7 52 8.0 -13.4 214 14 328.7 329.1 293.2 335.4 1.92 24 450 6683 -10.9 -24.9 31 14.0 -14.9 211 15 329.5 329.8 292.7 333.6 1.13 25 446 6752 -11.3 -20.3 47 9.0 -14.2 214 16 329.9 330.2 293.3 335.9 1.71 26 433 6978 -11.5 -30.5 19 19.0 -16.2 236 20 332.4 332.6 293.0 335.0 0.70 27 431 7014 -11.5 -28.5 23 17.0 -15.9 240 21 332.9 333.0 293.3 336.0 0.85 28 404 7505 -15.7 -26.7 38 11.0 -18.6 227 16 333.6 333.8 293.7 337.5 1.07 29 400 7580 -16.5 -25.5 46 9.0 -18.9 220 16 333.5 333.8 293.8 337.9 1.20 30 393 7712 -17.7 -23.7 59 6.0 -19.4 222 14 333.7 334.0 294.0 338.8 1.44 31 390 7770 -17.7 -20.7 77 3.0 -18.6 220 16 334.4 334.8 294.6 341.1 1.89 32 382 7925 -18.1 -29.1 38 11.0 -20.7 215 20 335.9 336.0 294.1 339.2 0.90 33 363 8304 -20.5 -26.5 59 6.0 -22.0 203 26 337.6 337.8 294.8 342.0 1.21 34 359 8386 -20.7 -28.7 49 8.0 -22.6 200 24 338.4 338.6 294.8 342.1 1.00 35 300 9690 -29.9 -61.9 3 32.0 -32.1 220 30 343.2 343.2 295.1 343.4 0.03 36 261 10665 -38.1 -51.1 24 13.0 -39.1 215 24 345.1 345.2 295.7 345.7 0.13 37 250 10960 -40.5 -55.5 18 15.0 -41.3 240 27 345.9 345.9 295.8 346.2 0.08 38 234 11405 -44.7 -63.7 10 19.0 -45.4 254 26 346.1 346.1 295.8 346.2 0.03 39 200 12430 -53.7 -58.0 59 4.3 -53.8 255 28 347.7 347.7 296.2 348.1 0.08 40 186 12893 -58.1 -61.6 64 3.5 -58.2 247 31 347.9 347.9 296.2 348.1 0.05 41 184 12961 -58.5 -61.6 67 3.1 -58.6 245 32 348.3 348.3 296.3 348.6 0.05 42 153 14100 -67.1 -70.5 62 3.4 -67.1 261 39 352.5 352.5 297.2 352.6 0.02 43 150 14220 -67.9 -72.3 53 4.4 -67.9 265 35 353.1 353.1 297.3 353.2 0.01 44 143 14506 -70.3 -75.1 49 4.8 -70.4 264 35 353.8 353.8 297.4 353.8 0.01 45 140 14631 -70.7 -77.7 35 7.0 -70.8 275 32 355.2 355.2 297.7 355.3 0.01 46 135 14849 -67.5 -82.5 10 15.0 -67.6 258 29 364.6 364.6 299.6 364.6 0.00 47 100 16610 -78.1 -87.1 22 9.0 -78.1 130 3 376.8 376.8 301.7 376.8 0.00 48 79 17944 -82.7 -89.7 29 7.0 -82.7 115 3 393.6 393.6 304.3 393.6 0.00 49 70 18630 -77.5 -88.5 15 11.0 -77.6 115 16 418.6 418.6 307.6 418.6 0.00 50 63 19236 -76.9 -88.9 13 12.0 -76.9 134 18 432.7 432.7 309.1 432.7 0.00 51 62 19328 -77.3 -89.3 13 12.0 -77.3 133 19 433.8 433.8 309.3 433.8 0.00 52 50 20590 -68.7 -90.7 3 22.0 -68.9 90 24 481.6 481.6 313.6 481.6 0.00 53 41 21788 -66.3 -91.3 2 25.0 -66.6 88 24 515.7 515.7 316.0 515.7 0.00 54 40 21937 -66.5 -91.5 2 25.0 -66.8 89 23 518.9 518.9 316.2 518.9 0.00 55 32 23328 -54.9 -88.9 1 34.0 -56.4 92 31 584.1 584.1 319.9 584.1 0.00 56 30 23740 -55.9 -88.9 1 33.0 -57.3 80 30 592.2 592.2 320.3 592.3 0.00 57 28 24177 -58.1 -90.1 1 32.0 -59.3 79 30 597.9 597.9 320.5 598.0 0.00 58 22 25706 -55.1 -89.1 1 34.0 -57.1 78 29 649.6 649.6 322.7 649.6 0.01 TRP 79 17944 -82.7 -89.7 29 7.0 -82.7 115 3 393.6 393.6 304.3 393.6 0.00 WND Sounding variables and indices 1000-500 mb thick: 5789.00 m Freezing level: 578.91 mb = 4709.29 m = 15450.25 ft Wetbulb zero: 605.64 mb = 4343.47 m = 14250.04 ft Precipitable water: 1.67 inches Sfc-500 mean rel hum: 75.21 % Est. max temperature: 32.73 C = 90.91 F Sfc-Lift cond lev (LCL): 842.93 mb = 1579.30 m = 5181.37 ft T: 20.74 C 700-500 lapse rate: 6.01 C/km ThetaE index: 12.17 C Layer 805.0- 777.0 mb Conv cond level (CCL): 747.81 mb = 2603.73 m = 8542.31 ft Mean mixing ratio: 13.48 g/kg Conv temperature: 33.97 C = 93.14 F Cap Strength: 4.07 C Lifted Index: -2.27 C Risk: Severe thunderstorms possible Lifted Index @300 mb: 0.72 C Lifted Index @700 mb: 0.15 C Showalter Index: -3.09 C Risk: Severe thunderstorms possible Total Totals Index: 50.20 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 28.10 C Cross Totals Index: 22.10 C K Index: 40.60 Risk: > 80 % chance of thunderstorms Sweat Index: 248.80 Risk: None Energy Index: -2.16 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 338.84 J/kg Max Up Vert Vel: 26.03 m/s Conv Inhibition (B-): 157.92 J/kg Cap Strength: 4.07 C Lift Cond Lev (LCL): 817.77 mb = 1840.91 m = 6039.65 ft Lev Free Conv (LFC): 692.77 mb = 3245.23 m = 10646.95 ft Equ Level (EL): 342.77 mb = 8722.24 m = 28615.93 ft B at Equ Level: 338.68 J/kg Max Parcel Lev (MPL): 152.77 mb = 14109.64 m = 46290.92 ft Wind level data Storm motion: 328 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 ---------------------------------------------------------- 0 947 556 320 11 7.1 -8.4 | 282 2 2.2 -0.5 1 941 610 320 12 7.7 -9.2 | 294 3 2.8 -1.2 2 925 770 305 18 14.7 -10.3 | 284 10 9.9 -2.4 3 910 914 300 22 19.1 -11.0 | 282 14 14.2 -3.0 4 850 1507 310 13 10.0 -8.4 | 275 5 5.1 -0.4 5 818 1829 310 10 7.7 -6.4 | 241 3 2.8 1.5 6 790 2134 315 6 4.2 -4.2 | 170 4 -0.6 3.7 7 762 2438 330 1 0.5 -0.9 | 148 8 -4.4 7.1 8 709 3048 350 15 2.6 -14.8 | 19 7 -2.3 -6.8 9 700 3159 360 14 -0.0 -14.0 | 39 8 -4.9 -6.0 10 683 3353 10 15 -2.6 -14.8 | 48 10 -7.5 -6.8 11 610 4267 320 11 7.1 -8.4 | 282 2 2.2 -0.5 12 566 4877 260 14 13.8 2.4 | 221 14 8.9 10.4 13 524 5486 240 14 12.1 7.0 | 206 17 7.2 15.0 14 505 5791 260 12 11.8 2.1 | 215 12 6.9 10.0 15 500 5870 255 14 13.5 3.6 | 217 14 8.6 11.6 16 485 6096 250 14 13.2 4.8 | 213 15 8.3 12.7 17 467 6401 220 11 7.1 8.4 | 188 17 2.2 16.4 18 448 6706 210 15 7.5 13.0 | 187 21 2.6 20.9 19 431 7010 240 21 18.2 10.5 | 216 23 13.3 18.5 20 414 7315 245 16 14.5 6.8 | 213 18 9.6 14.7 21 400 7580 220 16 10.3 12.3 | 195 21 5.4 20.2 22 398 7620 225 12 8.5 8.5 | 192 17 3.6 16.4 23 366 8230 205 28 11.8 25.4 | 192 34 6.9 33.3 24 351 8534 195 20 5.2 19.3 | 181 27 0.3 27.3 25 337 8839 200 21 7.2 19.7 | 185 28 2.3 27.7 26 310 9449 195 26 6.7 25.1 | 183 33 1.8 33.1 27 300 9690 220 30 19.3 23.0 | 205 34 14.4 30.9 28 297 9754 220 31 19.9 23.7 | 205 35 15.0 31.7 29 261 10668 215 24 13.8 19.7 | 198 29 8.9 27.6 30 250 10960 240 27 23.4 13.5 | 221 28 18.5 21.5 31 250 10973 240 28 24.2 14.0 | 221 29 19.4 22.0 32 217 11887 270 24 24.0 -0.0 | 247 21 19.1 8.0 33 200 12430 255 28 27.0 7.2 | 236 27 22.2 15.2 34 198 12497 260 25 24.6 4.3 | 238 23 19.7 12.3 35 179 13106 240 34 29.4 17.0 | 225 35 24.6 25.0 36 163 13716 250 50 47.0 17.1 | 239 49 42.1 25.1 37 150 14220 265 35 34.9 3.1 | 250 32 30.0 11.0 38 147 14326 250 40 37.6 13.7 | 237 39 32.7 21.6 39 140 14630 275 32 31.9 -2.8 | 259 27 27.0 5.2 40 120 15545 200 20 6.8 18.8 | 184 27 1.9 26.7 41 114 15850 135 14 -9.9 9.9 | 140 23 -14.8 17.9 42 100 16610 130 3 -2.3 1.9 | 144 12 -7.2 9.9 43 97 16764 130 3 -2.3 1.9 | 144 12 -7.2 9.9 44 87 17374 160 12 -4.1 11.3 | 155 21 -9.0 19.2 45 83 17678 140 14 -9.0 10.7 | 143 23 -13.9 18.7 46 79 17944 115 3 -2.7 1.3 | 140 12 -7.6 9.2 47 74 18288 140 10 -6.4 7.7 | 144 19 -11.3 15.6 48 70 18630 115 16 -14.5 6.8 | 127 24 -19.4 14.7 49 67 18898 110 14 -13.2 4.8 | 125 22 -18.0 12.7 50 63 19202 135 17 -12.0 12.0 | 140 26 -16.9 20.0 51 60 19507 130 21 -16.1 13.5 | 136 30 -21.0 21.4 52 57 19812 95 24 -23.9 2.1 | 109 31 -28.8 10.0 53 54 20117 115 25 -22.7 10.6 | 124 33 -27.5 18.5 54 50 20590 90 24 -24.0 0.0 | 105 30 -28.9 8.0 55 47 21031 90 28 -28.0 0.0 | 104 34 -32.9 8.0 56 44 21336 80 24 -23.6 -4.2 | 98 29 -28.5 3.8 57 40 21946 90 24 -24.0 0.0 | 105 30 -28.9 8.0 58 38 22250 80 15 -14.8 -2.6 | 105 20 -19.7 5.3 59 36 22555 115 16 -14.5 6.8 | 127 24 -19.4 14.7 60 35 22860 90 21 -21.0 0.0 | 107 27 -25.9 8.0 61 33 23165 115 27 -24.5 11.4 | 123 35 -29.4 19.4 62 31 23470 75 34 -32.8 -8.8 | 89 38 -37.7 -0.8 63 30 23740 80 30 -29.5 -5.2 | 95 35 -34.4 2.7 64 16 26213 75 27 -26.1 -7.0 | 92 31 -31.0 1.0 Wind Parameters Mean winds (0-6000m): 298.4 at 12.4 knts Storm direction: 328.4 at 9.3 knts Shear (0-3000m) pos: 2.9 neg: 1.7 tot: 4.6 10-3/s Storm rel Dir Shear (0-3000m): 114.5 deg Storm rel helicity (0-3000m) pos: 8.7 neg: -22.4 tot: -13.7 m^2/s^2 ave: -4.6 10^-3 m/s^2 rel: -0.27 Storm rel vorticity (0-3000m) horiz: 9.4 stream: -2.5 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 80.40 Bulk Shear: 4.21 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 ------------------------------------------------------------------------------- 500 305 18 284 10| 0.0 10.2 10.2| 0.8 -3.0 -2.2 -4.4 -0.05| 13.8 -0.7 1000 305 17 282 9| 3.9 5.1 9.0| 0.8 -5.1 -4.4 -4.4 -0.09| 10.8 -1.0 1500 307 15 276 7| 4.5 3.4 7.9| 0.8 -9.2 -8.5 -5.7 -0.26| 9.1 -2.3 2000 307 12 260 5| 4.3 2.6 6.9| 0.8 -13.2 -12.4 -6.2 -0.29| 8.9 -2.6 2500 314 11 269 3| 3.1 2.0 5.1| 0.8 -18.5 -17.8 -7.1 -0.36| 9.6 -3.4 3000 324 12 309 3| 2.9 1.7 4.6| 8.7 -22.4 -13.7 -4.6 -0.27| 9.4 -2.5 4000 327 12 320 3| 2.2 2.9 5.0| 8.7 -32.7 -24.0 -6.0 -0.35| 9.0 -3.1 5000 311 12 273 4| 1.7 2.9 4.6| 10.6 -59.1 -48.5 -9.7 -0.38| 8.5 -3.2 6000 298 12 251 6| 1.4 2.5 3.8| 18.1 -92.2 -74.0 -12.3 -0.38| 8.4 -3.2 Wrote GIF file: /home/apache/climate/data/raob//SBCG/skewt/SBCG.skewt.20251201.12.gif