UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120812.upa.cvt Date: 1200Z 8 DEC 25 Searching for SBUG... Searching the city database file for: SBUG ... Date:1200Z 8 DEC 25 Station: SBUG WMO ident: 83928 Latitude: -29.78 Longitude: -57.04 Elevation: 74.00 ------------------------------------------------------------------------------- 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 ------------------------------------------------------------------------------- SFC 1002 74 21.2 17.8 81 3.4 18.9 100 8 294.2 296.5 292.0 331.0 12.90 1 1000 93 21.0 17.6 81 3.4 18.7 110 11 294.1 296.4 291.9 330.6 12.76 2 966 392 19.0 17.0 88 2.0 17.7 101 21 295.1 297.3 292.2 331.5 12.72 3 942 610 20.4 16.2 77 4.2 17.6 115 25 298.6 300.9 293.0 334.7 12.39 4 925 767 19.4 16.0 81 3.4 17.1 115 27 299.1 301.4 293.2 335.5 12.46 5 864 1351 15.0 14.5 97 0.5 14.7 93 22 300.5 302.7 293.3 336.0 12.10 6 850 1490 14.8 13.9 94 0.9 14.2 75 20 301.6 303.8 293.4 336.5 11.83 7 763 2401 11.2 11.2 100 0.0 11.2 46 19 307.2 309.3 294.4 340.5 11.02 8 700 3117 6.6 6.6 100 0.0 6.6 25 25 309.8 311.4 293.5 336.7 8.77 9 577 4681 -2.3 -2.3 100 0.0 -2.3 18 17 317.0 318.1 293.0 334.9 5.61 10 500 5810 -7.3 -7.7 97 0.4 -7.5 45 11 324.1 325.0 293.9 338.3 4.29 11 485 6046 -8.5 -9.0 96 0.5 -8.7 49 13 325.5 326.3 294.0 338.8 3.99 12 400 7510 -18.1 -19.9 86 1.8 -18.7 300 17 331.5 331.9 293.9 338.4 1.97 13 312 9323 -30.9 -34.2 73 3.3 -31.4 315 21 338.0 338.2 294.4 340.6 0.68 14 300 9600 -33.3 -36.6 72 3.3 -33.7 325 19 338.4 338.6 294.4 340.6 0.55 15 274 10229 -38.3 -43.3 59 5.0 -38.8 296 30 340.1 340.2 294.6 341.3 0.30 16 250 10850 -43.9 -48.4 61 4.5 -44.2 300 43 340.8 340.8 294.7 341.6 0.19 17 229 11434 -48.5 -53.5 56 5.0 -48.7 308 47 342.4 342.5 295.0 342.9 0.11 18 212 11937 -53.3 -60.3 42 7.0 -53.5 315 50 342.6 342.6 295.0 342.8 0.05 19 200 12310 -56.7 -62.7 47 6.0 -56.8 310 53 343.0 343.0 295.1 343.2 0.04 20 175 13140 -64.9 -67.7 68 2.8 -64.9 306 62 342.8 342.8 295.0 342.9 0.02 21 171 13280 -66.1 -69.6 61 3.5 -66.1 305 64 343.1 343.1 295.1 343.2 0.02 22 164 13535 -62.9 -76.9 13 14.0 -63.0 299 68 352.6 352.6 297.2 352.6 0.01 23 150 14080 -66.1 -78.1 17 12.0 -66.2 280 88 356.2 356.2 298.0 356.2 0.01 24 149 14120 -66.2 -78.7 16 12.5 -66.3 280 88 356.7 356.7 298.1 356.7 0.01 25 148 14161 -66.3 -79.3 15 13.0 -66.4 280 88 357.2 357.2 298.1 357.3 0.01 26 129 14994 -64.7 -80.7 9 16.0 -64.8 270 62 374.4 374.4 301.4 374.5 0.00 27 100 16530 -68.5 -82.5 12 14.0 -68.6 265 35 395.4 395.4 304.6 395.4 0.00 28 85 17497 -71.5 -84.5 13 13.0 -71.6 239 34 408.1 408.1 306.3 408.1 0.00 29 72 18482 -69.7 -85.7 8 16.0 -69.8 185 21 431.8 431.8 309.0 431.8 0.00 30 70 18650 -70.7 -85.7 9 15.0 -70.8 145 8 433.1 433.1 309.1 433.1 0.00 31 66 18998 -72.1 -86.1 10 14.0 -72.2 141 9 437.4 437.4 309.6 437.5 0.00 32 60 19564 -69.5 -85.5 8 16.0 -69.6 204 6 455.3 455.3 311.4 455.4 0.00 33 50 20650 -70.7 -86.7 8 16.0 -70.8 190 10 476.9 476.9 313.2 476.9 0.00 34 47 21022 -66.1 -84.1 6 18.0 -66.4 210 10 496.4 496.4 314.7 496.5 0.01 35 43 21561 -66.5 -85.5 5 19.0 -66.8 168 18 508.2 508.2 315.5 508.3 0.01 36 38 22320 -61.1 -81.1 5 20.0 -61.7 253 5 540.3 540.3 317.5 540.4 0.01 37 36 22655 -62.5 -82.5 5 20.0 -63.1 277 3 545.1 545.1 317.8 545.2 0.01 38 33 23193 -62.5 -81.5 6 19.0 -63.1 234 10 558.8 558.8 318.6 558.9 0.02 39 31 23583 -57.7 -78.7 5 21.0 -58.8 174 11 581.9 581.9 319.8 582.0 0.03 40 30 23790 -58.7 -79.7 5 21.0 -59.7 110 10 584.6 584.6 319.9 584.8 0.02 41 27 24454 -57.1 -80.1 4 23.0 -58.5 97 10 607.0 607.0 320.9 607.2 0.02 TRP 171 13280 -66.1 -69.6 61 3.5 -66.1 305 64 343.1 343.1 295.1 343.2 0.02 WND 149 14120 -66.2 -78.7 16 12.5 -66.3 280 88 356.7 356.7 298.1 356.7 0.01 Sounding variables and indices 1000-500 mb thick: 5717.00 m Freezing level: 608.79 mb = 4276.61 m = 14030.70 ft Wetbulb zero: 609.10 mb = 4242.67 m = 13919.34 ft Precipitable water: 2.07 inches Sfc-500 mean rel hum: 96.03 % Est. max temperature: 28.50 C = 83.30 F Sfc-Lift cond lev (LCL): 953.21 mb = 507.35 m = 1664.53 ft T: 19.74 C 700-500 lapse rate: 5.16 C/km ThetaE index: 5.63 C Layer 700.0- 500.0 mb Conv cond level (CCL): 865.31 mb = 1338.26 m = 4390.56 ft Mean mixing ratio: 12.56 g/kg Conv temperature: 27.44 C = 81.40 F Cap Strength: 2.40 C Lifted Index: 2.35 C Risk: None Lifted Index @300 mb: 4.85 C Lifted Index @700 mb: 1.10 C Showalter Index: 0.94 C Risk: Thunderstorms probable Total Totals Index: 43.30 C Risk: None Vertical Totals Index: 22.10 C Cross Totals Index: 21.20 C K Index: 36.00 Risk: > 80 % chance of thunderstorms Sweat Index: 217.80 Risk: None Energy Index: 0.25 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 27.19 J/kg Max Up Vert Vel: 7.37 m/s Conv Inhibition (B-): 25723.64 J/kg Cap Strength: 2.40 C Lift Cond Lev (LCL): 909.20 mb = 914.52 m = 3000.34 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 81 at 14 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 1002 74 100 8 -7.9 1.4 | 240 7 6.4 3.6 1 1000 93 110 11 -10.3 3.8 | 213 7 3.9 6.0 2 976 305 95 19 -18.9 1.7 | 130 6 -4.7 3.9 3 942 610 115 25 -22.7 10.6 | 147 15 -8.4 12.8 4 925 767 115 27 -24.5 11.4 | 143 17 -10.2 13.7 5 909 914 115 28 -25.4 11.8 | 142 18 -11.1 14.1 6 877 1219 110 23 -21.6 7.9 | 144 13 -7.4 10.1 7 850 1490 75 20 -19.3 -5.2 | 60 6 -5.1 -2.9 8 847 1524 75 20 -19.3 -5.2 | 60 6 -5.1 -2.9 9 787 2134 55 18 -14.7 -10.3 | 4 8 -0.5 -8.1 10 759 2438 45 19 -13.4 -13.4 | 356 11 0.8 -11.2 11 732 2743 30 24 -12.0 -20.8 | 353 19 2.3 -18.5 12 700 3117 25 25 -10.6 -22.7 | 350 21 3.7 -20.4 13 680 3353 25 22 -9.3 -19.9 | 344 18 5.0 -17.7 14 654 3658 35 22 -12.6 -18.0 | 354 16 1.6 -15.8 15 606 4267 20 21 -7.2 -19.7 | 338 19 7.1 -17.5 16 541 5182 15 12 -3.1 -11.6 | 310 15 11.1 -9.3 17 521 5486 15 11 -2.8 -10.6 | 306 14 11.4 -8.4 18 501 5791 30 10 -5.0 -8.7 | 305 11 9.3 -6.4 19 500 5810 45 11 -7.8 -7.8 | 310 9 6.5 -5.5 20 482 6096 50 13 -10.0 -8.4 | 325 7 4.3 -6.1 21 463 6401 20 10 -3.4 -9.4 | 303 13 10.8 -7.1 22 445 6706 20 14 -4.8 -13.2 | 319 14 9.5 -10.9 23 427 7010 320 13 8.4 -10.0 | 289 24 22.6 -7.7 24 410 7315 340 14 4.8 -13.2 | 300 22 19.0 -10.9 25 400 7510 300 17 14.7 -8.5 | 282 30 29.0 -6.2 26 394 7620 295 13 11.8 -5.5 | 277 26 26.0 -3.2 27 378 7925 295 7 6.3 -3.0 | 272 21 20.6 -0.7 28 362 8230 310 16 12.3 -10.3 | 287 28 26.5 -8.0 29 333 8839 280 20 19.7 -3.5 | 272 34 33.9 -1.2 30 306 9449 325 21 12.0 -17.2 | 300 30 26.3 -14.9 31 300 9600 325 19 10.9 -15.6 | 298 28 25.1 -13.3 32 293 9754 325 19 10.9 -15.6 | 298 28 25.1 -13.3 33 281 10058 285 24 23.2 -6.2 | 276 38 37.4 -4.0 34 268 10363 305 36 29.5 -20.6 | 293 47 43.7 -18.4 35 250 10850 300 43 37.2 -21.5 | 290 55 51.5 -19.2 36 213 11887 315 50 35.4 -35.4 | 304 60 49.6 -33.1 37 200 12310 310 53 40.6 -34.1 | 300 63 54.9 -31.8 38 171 13280 305 64 52.4 -36.7 | 297 75 66.7 -34.5 39 167 13411 305 59 48.3 -33.8 | 297 70 62.6 -31.6 40 159 13716 290 81 76.1 -27.7 | 286 94 90.4 -25.4 41 150 14080 280 88 86.7 -15.3 | 277 102 100.9 -13.0 42 149 14120 280 88 86.7 -15.3 | 277 102 100.9 -13.0 43 144 14326 280 88 86.7 -15.3 | 277 102 100.9 -13.0 44 130 14935 270 61 61.0 -0.0 | 268 75 75.3 2.3 45 124 15240 270 69 69.0 -0.0 | 268 83 83.3 2.3 46 112 15850 255 61 58.9 15.8 | 256 75 73.2 18.0 47 106 16154 245 49 44.4 20.7 | 249 63 58.7 23.0 48 101 16459 285 30 29.0 -7.8 | 277 44 43.2 -5.5 49 100 16530 265 35 34.9 3.1 | 264 49 49.1 5.3 50 96 16764 265 34 33.9 3.0 | 264 48 48.1 5.2 51 91 17069 245 42 38.1 17.7 | 249 56 52.3 20.0 52 87 17374 225 37 26.2 26.2 | 235 49 40.4 28.4 53 82 17678 260 29 28.6 5.0 | 260 43 42.8 7.3 54 71 18593 175 20 -1.7 19.9 | 209 25 12.5 22.2 55 70 18650 145 8 -4.6 6.6 | 228 13 9.7 8.8 56 67 18898 130 10 -7.7 6.4 | 217 11 6.6 8.7 57 55 20117 265 2 2.0 0.2 | 261 16 16.2 2.4 58 52 20422 155 10 -4.2 9.1 | 222 15 10.0 11.3 59 50 20650 190 10 1.7 9.8 | 233 20 16.0 12.1 60 49 20726 170 11 -1.9 10.8 | 223 18 12.3 13.1 61 47 21031 210 10 5.0 8.7 | 240 22 19.3 10.9 62 45 21336 180 23 0.0 23.0 | 209 29 14.3 25.3 63 43 21641 165 17 -4.4 16.4 | 208 21 9.9 18.7 64 40 21946 195 11 2.8 10.6 | 233 21 17.1 12.9 65 37 22555 285 2 1.9 -0.5 | 264 16 16.2 1.7 66 33 23165 240 10 8.7 5.0 | 252 24 22.9 7.3 67 30 23774 145 12 -6.9 9.8 | 211 14 7.4 12.1 68 30 23790 110 10 -9.4 3.4 | 221 7 4.9 5.7 69 28 24079 110 10 -9.4 3.4 | 221 7 4.9 5.7 70 26 24384 80 11 -10.8 -1.9 | 264 3 3.4 0.3 71 22 24994 80 11 -10.8 -1.9 | 264 3 3.4 0.3 Wind Parameters Mean winds (0-6000m): 51.0 at 19.2 knts Storm direction: 81.0 at 14.4 knts Shear (0-3000m) pos: 2.8 neg: 5.8 tot: 8.7 10-3/s Storm rel Dir Shear (0-3000m): 109.9 deg Storm rel helicity (0-3000m) pos: 8.0 neg: -68.2 tot: -60.2 m^2/s^2 ave: -20.1 10^-3 m/s^2 rel: -0.50 Storm rel vorticity (0-3000m) horiz: 10.6 stream: -5.3 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.74 Bulk Shear: 36.60 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 ------------------------------------------------------------------------------- 500 103 18 151 7| 17.1 0.0 17.1| 6.2 -16.8 -10.6 -21.2 -0.48| 20.4 -9.7 1000 110 23 145 12| 8.5 0.6 9.1| 7.1 -21.3 -14.2 -14.2 -0.39| 13.5 -5.3 1500 106 22 139 11| 5.7 5.3 11.0| 8.0 -45.9 -37.8 -25.2 -0.51| 14.7 -7.6 2000 97 21 124 9| 4.3 5.3 9.6| 8.0 -55.0 -47.0 -23.5 -0.56| 12.5 -7.0 2500 88 21 103 7| 3.4 5.7 9.1| 8.0 -59.7 -51.7 -20.7 -0.52| 11.5 -6.0 3000 77 21 69 7| 2.8 5.8 8.7| 8.0 -68.2 -60.2 -20.1 -0.50| 10.6 -5.3 4000 63 22 34 9| 2.5 4.6 7.1| 19.6 -91.8 -72.2 -18.0 -0.46| 9.3 -4.3 5000 54 21 15 10| 2.0 3.4 5.4| 19.6-129.9-110.3 -22.1 -0.51| 8.4 -4.3 6000 51 19 4 10| 2.3 2.8 5.1| 26.2-138.2-112.0 -18.7 -0.45| 7.9 -3.5 Wrote GIF file: /home/apache/climate/data/raob//SBUG/skewt/SBUG.skewt.20251208.12.gif