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 SBFI... Searching the city database file for: SBFI ... Date:1200Z 6 DEC 25 Station: SBFI WMO ident: 83827 Latitude: -25.52 Longitude: -54.58 Elevation: 243.00 ------------------------------------------------------------------------------- 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 103 SFC 985 243 27.4 20.4 66 7.0 22.4 90 5 301.9 304.7 296.1 347.5 15.50 2 964 430 24.4 19.7 75 4.7 21.1 49 9 300.7 303.5 295.6 345.2 15.15 3 953 530 26.6 13.6 45 13.0 18.0 35 12 303.9 305.8 293.0 334.7 10.32 4 925 789 25.2 12.2 44 13.0 16.8 15 22 305.1 306.9 292.8 334.2 9.69 5 887 1157 23.6 10.6 44 13.0 15.3 354 17 307.1 308.8 293.0 334.6 9.08 6 850 1527 20.6 9.6 49 11.0 13.7 350 11 307.7 309.4 293.0 334.6 8.86 7 792 2132 14.8 10.7 76 4.1 12.2 325 13 307.8 309.7 294.0 338.9 10.26 8 737 2737 9.6 4.7 71 4.9 6.8 281 13 308.5 309.9 291.9 330.8 7.29 9 713 3012 8.4 0.4 57 8.0 4.1 258 16 310.2 311.2 290.9 327.3 5.53 10 700 3164 7.8 -6.2 36 14.0 1.3 255 15 311.1 311.8 289.3 322.0 3.43 11 685 3342 6.2 -7.8 36 14.0 -0.1 250 11 311.3 311.9 289.1 321.2 3.10 12 679 3414 8.2 -23.8 8 32.0 -2.3 243 9 314.3 314.4 287.8 317.1 0.82 13 658 3673 9.2 -38.8 2 48.0 -2.9 209 1 318.3 318.3 288.4 319.0 0.20 14 500 5880 -6.1 -41.1 4 35.0 -13.0 290 4 325.6 325.6 290.7 326.4 0.21 15 444 6795 -13.1 -48.1 4 35.0 -18.3 294 4 328.0 328.0 291.3 328.5 0.11 16 415 7305 -16.9 -30.9 29 14.0 -20.0 290 3 329.5 329.7 292.3 332.1 0.70 17 404 7506 -18.5 -35.5 21 17.0 -21.7 297 8 330.0 330.1 292.2 331.7 0.46 18 400 7580 -19.1 -50.1 5 31.0 -22.9 300 10 330.2 330.2 291.9 330.6 0.10 19 376 8039 -22.1 -31.1 44 9.0 -23.9 300 19 332.1 332.2 293.0 334.9 0.76 20 368 8197 -23.1 -37.1 27 14.0 -25.4 300 17 332.8 332.9 292.9 334.4 0.43 21 343 8711 -25.9 -28.3 80 2.4 -26.4 269 21 335.8 336.0 294.3 339.7 1.08 22 333 8925 -27.1 -30.6 72 3.5 -27.8 256 23 337.0 337.2 294.4 340.3 0.90 23 304 9577 -32.3 -33.8 86 1.5 -32.6 253 24 338.6 338.7 294.6 341.3 0.72 24 300 9670 -33.1 -34.6 86 1.5 -33.3 255 25 338.7 338.9 294.6 341.3 0.68 25 283 10076 -36.3 -40.3 66 4.0 -36.7 255 29 339.8 339.9 294.7 341.4 0.40 26 269 10424 -39.3 -40.5 88 1.2 -39.4 255 32 340.4 340.5 294.8 342.0 0.42 27 267 10475 -39.7 -44.0 63 4.3 -40.1 255 33 340.6 340.6 294.7 341.7 0.29 28 261 10630 -40.9 -45.3 62 4.4 -41.2 255 34 341.0 341.1 294.8 342.1 0.26 29 256 10761 -42.3 -44.9 76 2.6 -42.5 255 35 340.9 340.9 294.8 341.9 0.27 30 250 10920 -43.5 -46.5 72 3.0 -43.7 255 37 341.4 341.4 294.9 342.3 0.23 31 244 11083 -44.3 -50.3 51 6.0 -44.6 254 38 342.6 342.6 295.1 343.2 0.16 32 236 11305 -46.5 -50.8 61 4.3 -46.7 253 45 342.5 342.6 295.1 343.2 0.15 33 233 11390 -47.1 -55.1 40 8.0 -47.4 252 47 342.9 342.9 295.1 343.3 0.09 34 228 11534 -46.7 -82.7 1 36.0 -47.3 251 52 345.6 345.6 295.7 345.6 0.00 35 200 12390 -53.3 -74.3 6 21.0 -53.6 245 78 348.4 348.4 296.3 348.4 0.01 36 181 13025 -58.2 -75.1 10 16.8 -58.4 240 82 350.4 350.4 296.7 350.5 0.01 37 150 14180 -67.5 -76.5 27 9.0 -67.5 255 51 353.8 353.8 297.4 353.8 0.01 38 148 14261 -68.3 -77.3 26 9.0 -68.4 257 51 353.8 353.8 297.4 353.8 0.01 39 140 14596 -67.1 -84.1 7 17.0 -67.2 264 53 361.6 361.6 299.0 361.6 0.00 40 100 16590 -75.1 -87.1 14 12.0 -75.2 275 19 382.6 382.6 302.6 382.6 0.00 41 90 17196 -79.1 -89.1 18 10.0 -79.1 280 24 386.4 386.4 303.2 386.4 0.00 42 73 18397 -76.3 -88.3 13 12.0 -76.3 230 13 416.1 416.1 307.3 416.1 0.00 43 70 18640 -74.7 -88.7 10 14.0 -74.7 210 1 424.6 424.6 308.2 424.6 0.00 44 59 19646 -68.7 -89.7 3 21.0 -68.9 92 11 459.3 459.3 311.7 459.3 0.00 45 55 20065 -69.3 -90.3 3 21.0 -69.5 27 11 467.3 467.3 312.4 467.3 0.00 46 52 20403 -65.5 -90.5 2 25.0 -65.8 39 10 483.7 483.7 313.7 483.7 0.00 47 50 20640 -67.1 -90.1 2 23.0 -67.3 55 9 485.4 485.4 313.9 485.4 0.00 48 49 20762 -66.9 -89.9 3 23.0 -67.1 113 10 488.6 488.7 314.1 488.7 0.00 TRP 90 17196 -79.1 -89.1 18 10.0 -79.1 280 24 386.4 386.4 303.2 386.4 0.00 WND 181 13025 -58.2 -75.1 10 16.8 -58.4 240 82 350.4 350.4 296.7 350.5 0.01 Sounding variables and indices 1000-500 mb thick: 5777.00 m Freezing level: 562.99 mb = 4999.99 m = 16403.97 ft Wetbulb zero: 686.08 mb = 3328.58 m = 10920.39 ft Precipitable water: 1.15 inches Sfc-500 mean rel hum: 32.59 % Est. max temperature: 33.28 C = 91.91 F Sfc-Lift cond lev (LCL): 889.77 mb = 1129.27 m = 3704.90 ft T: 23.72 C 700-500 lapse rate: 5.12 C/km ThetaE index: 21.76 C Layer 737.0- 658.0 mb Conv cond level (CCL): 752.58 mb = 2561.12 m = 8402.53 ft Mean mixing ratio: 11.11 g/kg Conv temperature: 33.86 C = 92.94 F Cap Strength: 4.90 C Lifted Index: 1.73 C Risk: Showers probable Lifted Index @300 mb: 2.51 C Lifted Index @700 mb: 0.92 C Showalter Index: 2.99 C Risk: Showers probable Total Totals Index: 42.40 C Risk: None Vertical Totals Index: 26.70 C Cross Totals Index: 15.70 C K Index: 22.30 Risk: 20-40 % chance of thunderstorms Sweat Index: 141.20 Risk: None Energy Index: -1.44 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 24.82 J/kg Max Up Vert Vel: 7.05 m/s Conv Inhibition (B-): 9860.33 J/kg Cap Strength: 4.85 C Lift Cond Lev (LCL): 796.72 mb = 2081.41 m = 6828.70 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 14 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 ---------------------------------------------------------- 0 985 243 90 5 -5.0 0.0 | 157 8 -3.2 7.4 1 978 305 65 6 -5.4 -2.5 | 143 6 -3.6 4.9 2 944 610 25 14 -5.9 -12.7 | 38 7 -4.1 -5.3 3 925 789 15 22 -5.7 -21.3 | 16 14 -3.9 -13.9 4 912 914 10 21 -3.6 -20.7 | 8 13 -1.9 -13.3 5 881 1219 350 16 2.8 -15.8 | 331 10 4.6 -8.4 6 850 1527 350 11 1.9 -10.8 | 313 5 3.7 -3.4 7 791 2134 325 13 7.5 -10.6 | 289 10 9.2 -3.2 8 763 2438 305 11 9.0 -6.3 | 264 11 10.8 1.1 9 710 3048 255 16 15.5 4.1 | 236 21 17.2 11.5 10 700 3164 255 15 14.5 3.9 | 235 20 16.3 11.3 11 684 3353 250 11 10.3 3.8 | 227 16 12.1 11.2 12 658 3658 210 1 0.5 0.9 | 195 9 2.3 8.3 13 611 4267 90 10 -10.0 0.0 | 132 11 -8.2 7.4 14 588 4572 105 10 -9.7 2.6 | 142 13 -7.9 10.0 15 500 5880 290 4 3.8 -1.4 | 223 8 5.5 6.0 16 486 6096 300 5 4.3 -2.5 | 231 8 6.1 4.9 17 414 7315 290 3 2.8 -1.0 | 216 8 4.6 6.4 18 400 7580 300 10 8.7 -5.0 | 257 11 10.4 2.4 19 398 7620 300 10 8.7 -5.0 | 257 11 10.4 2.4 20 381 7925 300 20 17.3 -10.0 | 278 19 19.1 -2.6 21 366 8230 300 16 13.9 -8.0 | 272 16 15.6 -0.6 22 336 8839 260 23 22.7 4.0 | 245 27 24.4 11.4 23 323 9144 245 21 19.0 8.9 | 232 26 20.8 16.3 24 300 9670 255 25 24.1 6.5 | 242 29 25.9 13.9 25 250 10920 255 37 35.7 9.6 | 246 41 37.5 17.0 26 248 10973 255 35 33.8 9.1 | 245 39 35.6 16.5 27 200 12390 245 78 70.7 33.0 | 241 83 72.5 40.4 28 197 12497 245 79 71.6 33.4 | 241 84 73.4 40.8 29 181 13025 240 82 71.0 41.0 | 236 87 72.8 48.4 30 179 13106 240 82 71.0 41.0 | 236 87 72.8 48.4 31 162 13716 235 68 55.7 39.0 | 231 74 57.5 46.4 32 154 14021 245 57 51.7 24.1 | 239 62 53.4 31.5 33 150 14180 255 51 49.3 13.2 | 248 55 51.1 20.6 34 139 14630 265 53 52.8 4.6 | 258 56 54.6 12.0 35 125 15240 245 42 38.1 17.7 | 238 47 39.9 25.1 36 119 15545 255 36 34.8 9.3 | 245 40 36.6 16.7 37 108 16154 250 28 26.3 9.6 | 239 33 28.1 17.0 38 100 16590 275 19 18.9 -1.7 | 255 21 20.7 5.7 39 97 16764 285 18 17.4 -4.7 | 262 19 19.2 2.7 40 92 17069 270 20 20.0 -0.0 | 251 23 21.8 7.4 41 90 17196 280 24 23.6 -4.2 | 263 26 25.4 3.2 42 87 17374 295 23 20.8 -9.7 | 276 23 22.6 -2.3 43 83 17678 250 28 26.3 9.6 | 239 33 28.1 17.0 44 74 18288 245 14 12.7 5.9 | 227 20 14.5 13.3 45 71 18593 205 11 4.6 10.0 | 200 19 6.4 17.4 46 70 18640 210 1 0.5 0.9 | 195 9 2.3 8.3 47 67 18898 210 1 0.5 0.9 | 195 9 2.3 8.3 48 60 19507 115 11 -10.0 4.6 | 146 15 -8.2 12.0 49 55 20117 20 11 -3.8 -10.3 | 34 4 -2.0 -2.9 50 50 20640 55 9 -7.4 -5.2 | 112 6 -5.6 2.2 51 49 20726 115 10 -9.1 4.2 | 148 14 -7.3 11.6 52 46 21031 55 9 -7.4 -5.2 | 112 6 -5.6 2.2 Wind Parameters Mean winds (0-6000m): 343.6 at 10.2 knts Storm direction: 13.6 at 7.6 knts Shear (0-3000m) pos: 0.0 neg: 3.1 tot: 3.1 10-3/s Storm rel Dir Shear (0-3000m): 75.5 deg Storm rel helicity (0-3000m) pos: 0.0 neg: -121.2 tot: -121.2 m^2/s^2 ave: -40.4 10^-3 m/s^2 rel: -0.72 Storm rel vorticity (0-3000m) horiz: 10.6 stream: -7.6 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 2.37 Bulk Shear: 10.49 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 32 11 63 5| 0.0 19.6 19.6| 0.0 -26.0 -26.0 -51.9 -0.79| 20.2-15.9 1000 15 15 16 8| 0.0 8.8 8.8| 0.0 -57.4 -57.4 -57.4 -0.81| 16.3-13.1 1500 7 14 360 7| 0.0 4.9 4.9| 0.0 -62.6 -62.6 -41.8 -0.75| 13.0 -9.8 2000 358 14 341 7| 0.0 4.1 4.1| 0.0 -71.5 -71.5 -35.7 -0.74| 11.2 -8.3 2500 348 13 322 7| 0.0 3.8 3.8| 0.0 -90.1 -90.1 -36.0 -0.73| 10.7 -7.8 3000 334 14 302 9| 0.0 3.1 3.1| 0.0-121.2-121.2 -40.4 -0.72| 10.6 -7.6 4000 332 12 292 8| 0.0 0.6 0.6| 0.0-190.8-190.8 -47.7 -0.74| 11.3 -8.4 5000 347 11 310 6| 0.0 0.8 0.8| 4.7-201.7-197.0 -39.4 -0.64| 10.7 -6.9 6000 344 10 297 5| 0.0 0.8 0.8| 6.9-205.3-198.4 -33.1 -0.59| 9.7 -5.7 Wrote GIF file: /home/apache/climate/data/raob//SBFI/skewt/SBFI.skewt.20251206.12.gif