UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042400.upa.cvt Date: 0000Z 24 APR 25 Searching for SBFI... Searching the city database file for: SBFI ... Date:0000Z 24 APR 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 105 SFC 985 243 22.6 19.8 84 2.8 20.6 60 2 297.0 299.7 294.4 340.1 14.92 2 978 305 23.8 18.8 74 5.0 20.4 340 4 298.8 301.4 294.3 339.9 14.10 3 925 787 22.0 15.0 64 7.0 17.3 90 2 301.8 303.9 293.4 336.2 11.67 4 855 1465 17.6 6.6 48 11.0 11.1 85 7 304.1 305.4 290.5 325.6 7.16 5 850 1515 17.2 7.2 52 10.0 11.2 90 7 304.2 305.6 290.8 326.7 7.51 6 756 2506 11.8 1.8 50 10.0 6.3 142 5 308.7 309.8 290.7 326.5 5.77 7 718 2936 10.0 3.0 62 7.0 6.1 121 2 311.3 312.5 292.2 331.9 6.63 8 700 3147 8.4 3.4 71 5.0 5.5 250 5 311.8 313.1 292.7 333.5 7.00 9 635 3945 2.8 2.3 97 0.5 2.5 264 19 314.2 315.6 293.4 336.6 7.14 10 570 4814 -0.7 -2.3 89 1.6 -1.6 280 23 320.0 321.1 293.9 338.3 5.68 11 500 5850 -6.9 -7.9 93 1.0 -7.4 295 25 324.6 325.5 294.0 338.6 4.22 12 405 7467 -16.5 -18.0 88 1.5 -17.0 281 27 332.4 332.8 294.4 340.4 2.29 13 400 7560 -17.1 -18.4 90 1.3 -17.6 280 27 332.8 333.2 294.5 340.6 2.24 14 300 9660 -31.7 -35.4 70 3.7 -32.3 285 51 340.7 340.8 295.1 343.1 0.63 15 264 10549 -38.9 -43.9 59 5.0 -39.4 289 67 342.8 342.9 295.3 344.0 0.29 16 252 10866 -41.1 -45.3 64 4.2 -41.5 290 73 344.2 344.2 295.6 345.2 0.27 17 250 10920 -41.5 -45.6 64 4.1 -41.8 290 74 344.4 344.4 295.6 345.4 0.26 18 200 12390 -54.1 -57.9 63 3.8 -54.2 300 85 347.1 347.1 296.1 347.4 0.08 19 180 13058 -60.3 -63.2 69 2.9 -60.3 300 89 347.6 347.6 296.1 347.8 0.04 20 153 14052 -69.7 -73.8 55 4.1 -69.7 296 92 348.0 348.0 296.2 348.1 0.01 21 150 14170 -70.7 -75.3 51 4.6 -70.7 295 92 348.3 348.3 296.3 348.3 0.01 22 141 14535 -72.6 -77.5 47 4.9 -72.6 290 100 351.1 351.1 296.9 351.2 0.01 23 138 14661 -73.3 -78.3 46 5.0 -73.3 290 99 352.1 352.1 297.1 352.2 0.01 24 115 15719 -76.9 -81.9 45 5.0 -76.9 265 62 364.3 364.3 299.5 364.3 0.00 25 108 16083 -73.7 -84.7 17 11.0 -73.7 260 53 376.9 376.9 301.8 377.0 0.00 26 101 16472 -75.3 -86.3 16 11.0 -75.3 263 42 381.2 381.2 302.4 381.2 0.00 27 100 16530 -75.5 -87.5 14 12.0 -75.5 275 40 381.9 381.9 302.5 381.9 0.00 28 99 16588 -75.9 -87.9 13 12.0 -75.9 275 40 382.2 382.2 302.6 382.2 0.00 29 79 17899 -75.5 -88.5 11 13.0 -75.6 291 43 408.5 408.5 306.3 408.5 0.00 30 70 18610 -70.7 -88.7 5 18.0 -70.8 260 27 433.1 433.1 309.1 433.1 0.00 31 63 19239 -67.7 -88.7 3 21.0 -67.9 238 24 453.0 453.0 311.1 453.0 0.00 32 60 19532 -67.9 -89.9 3 22.0 -68.1 238 24 458.9 458.9 311.7 458.9 0.00 33 58 19737 -64.5 -88.5 2 24.0 -64.8 229 21 471.1 471.1 312.7 471.1 0.00 34 50 20650 -61.7 -88.7 2 27.0 -62.1 305 17 498.1 498.1 314.8 498.1 0.00 35 37 22543 -55.3 -86.3 1 31.0 -56.6 196 7 559.3 559.3 318.6 559.3 0.01 36 35 22897 -55.7 -85.7 1 30.0 -57.0 187 5 567.2 567.2 319.0 567.3 0.01 TRP 115 15719 -76.9 -81.9 45 5.0 -76.9 265 62 364.3 364.3 299.5 364.3 0.00 WND 141 14535 -72.6 -77.5 47 4.9 -72.6 290 100 351.1 351.1 296.9 351.2 0.01 Sounding variables and indices 1000-500 mb thick: 5745.00 m Freezing level: 583.00 mb = 4640.20 m = 15223.58 ft Wetbulb zero: 594.76 mb = 4471.79 m = 14671.03 ft Precipitable water: 1.66 inches Sfc-500 mean rel hum: 73.36 % Est. max temperature: 30.39 C = 86.70 F Sfc-Lift cond lev (LCL): 945.58 mb = 596.56 m = 1957.18 ft T: 22.71 C 700-500 lapse rate: 5.66 C/km ThetaE index: 14.52 C Layer 978.0- 850.0 mb Conv cond level (CCL): 766.65 mb = 2387.62 m = 7833.32 ft Mean mixing ratio: 11.92 g/kg Conv temperature: 33.66 C = 92.60 F Cap Strength: 3.08 C Lifted Index: 1.52 C Risk: Showers probable Lifted Index @300 mb: 4.73 C Lifted Index @700 mb: 1.99 C Showalter Index: 5.91 C Risk: None Total Totals Index: 38.20 C Risk: None Vertical Totals Index: 24.10 C Cross Totals Index: 14.10 C K Index: 26.30 Risk: 40-60 % chance of thunderstorms Sweat Index: 125.40 Risk: None Energy Index: 2.36 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 17.77 J/kg Max Up Vert Vel: 5.96 m/s Conv Inhibition (B-): 18811.77 J/kg Cap Strength: 3.08 C Lift Cond Lev (LCL): 847.77 mb = 1537.18 m = 5043.17 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 305 at 10 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 60 2 -1.7 -1.0 | 116 11 -10.2 5.0 1 978 305 340 4 1.4 -3.8 | 108 7 -7.1 2.3 2 944 610 25 4 -1.7 -3.6 | 103 10 -10.2 2.4 3 925 787 90 2 -2.0 0.0 | 120 12 -10.5 6.0 4 911 914 35 3 -1.7 -2.5 | 109 11 -10.2 3.6 5 850 1515 90 7 -7.0 0.0 | 111 17 -15.5 6.0 6 849 1524 90 10 -10.0 0.0 | 108 19 -18.5 6.0 7 819 1829 135 14 -9.9 9.9 | 131 24 -18.4 15.9 8 790 2134 145 10 -5.7 8.2 | 135 20 -14.2 14.2 9 762 2438 145 6 -3.4 4.9 | 132 16 -11.9 10.9 10 708 3048 115 1 -0.9 0.4 | 124 11 -9.4 6.4 11 700 3147 250 5 4.7 1.7 | 154 9 -3.8 7.7 12 657 3658 255 16 15.5 4.1 | 214 12 7.0 10.2 13 609 4267 275 22 21.9 -1.9 | 253 14 13.4 4.1 14 504 5791 290 25 23.5 -8.6 | 280 15 15.0 -2.5 15 500 5850 295 25 22.7 -10.6 | 288 15 14.2 -4.6 16 484 6096 290 26 24.4 -8.9 | 280 16 15.9 -2.9 17 400 7560 280 27 26.6 -4.7 | 266 18 18.1 1.3 18 365 8230 285 28 27.0 -7.2 | 274 19 18.6 -1.2 19 350 8534 275 28 27.9 -2.4 | 260 20 19.4 3.6 20 300 9660 285 51 49.3 -13.2 | 280 41 40.8 -7.2 21 250 10920 290 74 69.5 -25.3 | 288 64 61.0 -19.3 22 248 10973 290 75 70.5 -25.7 | 288 65 62.0 -19.6 23 200 12390 300 85 73.6 -42.5 | 299 75 65.1 -36.5 24 161 13716 300 93 80.5 -46.5 | 299 83 72.1 -40.5 25 150 14170 295 92 83.4 -38.9 | 294 82 74.9 -32.9 26 141 14535 290 100 94.0 -34.2 | 288 90 85.5 -28.2 27 139 14630 290 100 94.0 -34.2 | 288 90 85.5 -28.2 28 125 15240 280 78 76.8 -13.5 | 276 69 68.3 -7.5 29 115 15719 265 62 61.8 5.4 | 258 54 53.3 11.4 30 112 15850 260 60 59.1 10.4 | 252 53 50.6 16.4 31 101 16459 260 42 41.4 7.3 | 248 35 32.9 13.3 32 100 16530 275 40 39.8 -3.5 | 265 31 31.4 2.5 33 96 16764 275 40 39.8 -3.5 | 265 31 31.4 2.5 34 82 17678 300 47 40.7 -23.5 | 298 37 32.2 -17.5 35 74 18288 275 37 36.9 -3.2 | 264 29 28.4 2.8 36 70 18593 280 36 35.5 -6.3 | 271 27 27.0 -0.2 37 70 18610 260 27 26.6 4.7 | 239 21 18.1 10.7 38 67 18898 235 24 19.7 13.8 | 209 23 11.2 19.8 39 60 19507 240 24 20.8 12.0 | 214 22 12.3 18.0 40 52 20422 200 13 4.4 12.2 | 167 19 -4.0 18.2 41 50 20650 305 17 13.9 -9.8 | 304 7 5.4 -3.7 42 49 20726 335 13 5.5 -11.8 | 27 6 -3.0 -5.8 43 46 21031 295 17 15.4 -7.2 | 280 7 6.9 -1.2 44 41 21641 210 10 5.0 8.7 | 167 15 -3.5 14.7 45 33 22555 180 4 0.0 4.0 | 140 13 -8.5 10.0 46 29 23165 75 13 -12.6 -3.4 | 97 21 -21.0 2.7 Wind Parameters Mean winds (0-6000m): 275.3 at 13.9 knts Storm direction: 305.3 at 10.4 knts Shear (0-3000m) pos: 2.2 neg: 1.1 tot: 3.3 10-3/s Storm rel Dir Shear (0-3000m): 51.6 deg Storm rel helicity (0-3000m) pos: 89.0 neg: -23.3 tot: 65.7 m^2/s^2 ave: 21.9 10^-3 m/s^2 rel: 0.27 Storm rel vorticity (0-3000m) horiz: 8.9 stream: 2.4 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.62 Bulk Shear: 28.83 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 12 4 105 10| 0.8 0.0 0.8| 7.8 -5.2 2.6 5.2 0.05| 10.0 0.5 1000 34 4 106 11| 0.4 1.4 1.8| 8.1 -11.4 -3.4 -3.4 -0.11| 7.4 -0.8 1500 73 5 108 14| 4.0 0.9 4.9| 42.7 -11.7 31.0 20.7 0.17| 9.3 1.6 2000 106 7 118 17| 2.5 0.7 3.2| 70.7 -12.9 57.7 28.9 0.25| 9.3 2.3 2500 114 7 121 17| 2.0 1.3 3.3| 70.7 -21.7 49.0 19.6 0.17| 8.5 1.4 3000 118 6 123 16| 2.2 1.1 3.3| 89.0 -23.3 65.7 21.9 0.27| 8.9 2.4 4000 215 9 165 14| 3.1 0.8 3.9|138.5 -23.3 115.2 28.8 0.43| 8.9 3.9 5000 262 11 201 8| 2.6 0.6 3.2|156.0 -23.3 132.6 26.5 0.47| 7.6 3.6 6000 275 14 228 7| 2.2 0.6 2.7|173.3 -32.6 140.7 23.4 0.45| 7.0 3.2 Wrote GIF file: /home/apache/climate/data/raob//SBFI/skewt/SBFI.skewt.20250424.00.gif