UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042012.upa.cvt Date: 1200Z 20 APR 25 Searching for SBFI... Searching the city database file for: SBFI ... Date:1200Z 20 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 133 SFC 988 243 20.2 18.2 88 2.0 18.9 150 4 294.4 296.8 292.4 332.8 13.43 2 967 426 18.6 16.2 86 2.4 17.0 109 10 294.6 296.7 291.5 329.1 12.06 3 928 778 21.0 14.0 64 7.0 16.4 81 10 300.5 302.5 292.4 332.5 10.89 4 925 806 21.0 14.0 64 7.0 16.4 80 9 300.8 302.8 292.5 332.9 10.92 5 850 1532 15.4 8.4 63 7.0 11.2 115 6 302.3 303.8 290.7 326.6 8.16 6 840 1632 14.8 7.8 63 7.0 10.6 110 5 302.7 304.1 290.6 326.3 7.93 7 827 1764 15.0 4.0 48 11.0 8.8 103 3 304.2 305.4 289.6 322.9 6.17 8 727 2841 8.2 -4.8 39 13.0 2.0 239 9 308.2 308.9 288.6 319.7 3.68 9 710 3037 9.4 -19.6 11 29.0 -0.9 264 10 311.6 311.8 287.2 315.4 1.14 10 704 3108 9.6 -18.4 12 28.0 -0.7 257 9 312.6 312.8 287.7 316.9 1.27 11 700 3155 9.2 -18.8 12 28.0 -0.9 250 8 312.7 312.9 287.7 316.8 1.24 12 619 4162 3.4 -11.6 32 15.0 -2.9 241 13 317.2 317.7 290.5 325.6 2.54 13 583 4645 0.0 -27.0 11 27.0 -7.7 266 16 318.7 318.9 289.1 321.3 0.72 14 564 4909 -2.5 -18.5 28 16.0 -8.0 280 18 318.8 319.1 290.0 324.2 1.58 15 556 5022 -3.7 -10.7 58 7.0 -6.6 276 20 318.7 319.3 291.3 328.7 3.04 16 546 5166 -2.3 -33.3 7 31.0 -9.9 272 22 322.0 322.1 289.8 323.6 0.42 17 500 5860 -5.9 -29.9 13 24.0 -12.1 255 32 325.8 326.0 291.2 328.2 0.64 18 452 6641 -12.3 -28.3 25 16.0 -16.3 250 37 327.4 327.5 291.8 330.3 0.82 19 420 7196 -17.3 -23.3 60 6.0 -18.9 250 41 327.9 328.2 292.4 332.8 1.39 20 400 7560 -19.9 -27.9 49 8.0 -21.7 250 44 329.1 329.3 292.4 332.6 0.96 21 362 8292 -25.3 -35.3 39 10.0 -26.9 249 52 331.4 331.5 292.6 333.4 0.52 22 330 8956 -31.1 -37.1 56 6.0 -31.9 249 61 332.4 332.5 292.9 334.2 0.48 23 320 9174 -32.1 -40.1 45 8.0 -33.1 252 69 333.9 334.0 293.2 335.3 0.36 24 309 9421 -31.3 -49.3 15 18.0 -33.0 255 79 338.4 338.4 294.1 339.0 0.14 25 300 9630 -32.9 -48.9 19 16.0 -34.3 260 77 339.0 339.0 294.2 339.6 0.15 26 250 10890 -41.5 -58.5 14 17.0 -42.3 250 84 344.4 344.4 295.4 344.6 0.06 27 215 11898 -48.3 -66.3 11 18.0 -48.8 253 87 349.0 349.0 296.4 349.1 0.02 28 200 12370 -52.7 -66.7 17 14.0 -53.0 255 89 349.3 349.3 296.5 349.4 0.02 29 182 12971 -58.3 -67.3 31 9.0 -58.5 257 92 349.7 349.8 296.6 349.9 0.02 30 168 13469 -63.1 -65.9 69 2.8 -63.1 259 94 349.9 349.9 296.6 350.0 0.03 31 163 13655 -64.5 -68.8 56 4.2 -64.6 260 95 350.5 350.5 296.8 350.6 0.02 32 157 13883 -66.3 -72.3 43 6.0 -66.4 260 95 351.3 351.3 296.9 351.3 0.01 33 155 13960 -66.9 -75.9 27 9.0 -67.0 260 95 351.5 351.5 297.0 351.6 0.01 34 151 14119 -64.1 -86.1 3 22.0 -64.2 264 86 359.0 359.0 298.5 359.0 0.00 35 150 14160 -64.5 -89.5 2 25.0 -64.6 265 83 359.0 359.0 298.5 359.0 0.00 36 102 16437 -78.7 -89.7 15 11.0 -78.7 270 69 373.5 373.5 301.2 373.6 0.00 37 101 16493 -77.9 -88.9 15 11.0 -77.9 275 64 376.1 376.1 301.6 376.2 0.00 38 100 16550 -77.3 -89.3 13 12.0 -77.3 280 58 378.4 378.4 302.0 378.4 0.00 39 97 16725 -75.7 -87.7 14 12.0 -75.7 276 62 384.8 384.8 303.0 384.8 0.00 40 84 17550 -78.9 -89.9 15 11.0 -78.9 294 53 394.5 394.5 304.5 394.5 0.00 41 73 18357 -74.7 -89.7 8 15.0 -74.7 269 24 419.5 419.5 307.7 419.5 0.00 42 70 18600 -75.7 -89.7 9 14.0 -75.7 315 25 422.4 422.4 308.0 422.4 0.00 43 68 18768 -75.5 -90.5 8 15.0 -75.6 315 25 426.4 426.4 308.4 426.4 0.00 44 66 18944 -67.3 -90.3 2 23.0 -67.5 314 23 447.9 447.9 310.7 447.9 0.00 45 61 19423 -63.3 -89.3 2 26.0 -63.6 302 7 467.0 467.0 312.4 467.0 0.00 46 51 20519 -65.1 -89.1 2 24.0 -65.4 270 11 487.3 487.3 314.0 487.3 0.00 47 50 20640 -63.5 -88.5 2 25.0 -63.8 245 10 493.8 493.8 314.5 493.9 0.00 48 43 21582 -56.5 -85.5 1 29.0 -57.5 136 1 532.8 532.8 317.1 532.9 0.01 49 41 21882 -58.7 -85.7 2 27.0 -59.5 124 8 534.7 534.7 317.2 534.7 0.01 TRP 102 16437 -78.7 -89.7 15 11.0 -78.7 270 69 373.5 373.5 301.2 373.6 0.00 WND 163 13655 -64.5 -68.8 56 4.2 -64.6 260 95 350.5 350.5 296.8 350.6 0.02 Sounding variables and indices 1000-500 mb thick: 5727.00 m Freezing level: 583.00 mb = 4645.11 m = 15239.67 ft Wetbulb zero: 715.09 mb = 2978.24 m = 9771.02 ft Precipitable water: 1.04 inches Sfc-500 mean rel hum: 37.15 % Est. max temperature: 28.72 C = 83.69 F Sfc-Lift cond lev (LCL): 959.60 mb = 492.04 m = 1614.29 ft T: 19.05 C 700-500 lapse rate: 5.58 C/km ThetaE index: 17.48 C Layer 850.0- 704.0 mb Conv cond level (CCL): 777.98 mb = 2274.95 m = 7463.65 ft Mean mixing ratio: 11.23 g/kg Conv temperature: 31.93 C = 89.48 F Cap Strength: 4.66 C Lifted Index: 4.80 C Risk: None Lifted Index @300 mb: 6.69 C Lifted Index @700 mb: 4.49 C Showalter Index: 7.03 C Risk: None Total Totals Index: 35.60 C Risk: None Vertical Totals Index: 21.30 C Cross Totals Index: 14.30 C K Index: 1.70 Risk: None Sweat Index: 144.80 Risk: None Energy Index: 0.47 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 34.14 J/kg Max Up Vert Vel: 8.26 m/s Conv Inhibition (B-): 15105.71 J/kg Cap Strength: 4.64 C Lift Cond Lev (LCL): 868.81 mb = 1344.04 m = 4409.52 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 277 at 11 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 ---------------------------------------------------------- 0 988 243 150 4 -2.0 3.5 | 111 13 -12.5 4.7 1 981 305 125 5 -4.1 2.9 | 106 15 -14.6 4.1 2 947 610 85 17 -16.9 -1.5 | 89 27 -27.5 -0.3 3 925 806 80 9 -8.9 -1.6 | 89 19 -19.4 -0.3 4 913 914 85 9 -9.0 -0.8 | 91 19 -19.5 0.4 5 850 1532 115 6 -5.4 2.5 | 103 16 -16.0 3.8 6 820 1829 100 2 -2.0 0.3 | 97 13 -12.5 1.6 7 791 2134 145 7 -4.0 5.7 | 116 16 -14.5 7.0 8 763 2438 190 7 1.2 6.9 | 131 12 -9.3 8.1 9 709 3048 265 10 10.0 0.9 | 165 2 -0.6 2.1 10 700 3155 250 8 7.5 2.7 | 143 5 -3.0 4.0 11 683 3353 240 12 10.4 6.0 | 179 7 -0.1 7.2 12 633 3962 235 14 11.5 8.0 | 186 9 0.9 9.3 13 610 4267 245 13 11.8 5.5 | 191 7 1.3 6.7 14 565 4877 280 18 17.7 -3.1 | 285 7 7.2 -1.9 15 504 5791 255 32 30.9 8.3 | 245 22 20.4 9.5 16 500 5860 255 32 30.9 8.3 | 245 22 20.4 9.5 17 485 6096 250 33 31.0 11.3 | 239 24 20.5 12.5 18 400 7560 250 44 41.3 15.0 | 242 35 30.8 16.3 19 364 8230 250 53 49.8 18.1 | 244 44 39.3 19.4 20 349 8534 245 46 41.7 19.4 | 236 37 31.2 20.7 21 308 9449 255 80 77.3 20.7 | 252 70 66.7 21.9 22 300 9630 260 77 75.8 13.4 | 257 67 65.3 14.6 23 270 10363 250 88 82.7 30.1 | 247 79 72.2 31.3 24 250 10890 250 84 78.9 28.7 | 246 75 68.4 30.0 25 200 12370 255 89 86.0 23.0 | 252 79 75.4 24.3 26 163 13655 260 95 93.6 16.5 | 258 85 83.0 17.7 27 153 14021 260 95 93.6 16.5 | 258 85 83.0 17.7 28 150 14160 265 83 82.7 7.2 | 263 73 72.2 8.5 29 146 14326 265 83 82.7 7.2 | 263 73 72.2 8.5 30 113 15850 255 74 71.5 19.2 | 252 64 61.0 20.4 31 102 16437 270 69 69.0 -0.0 | 269 58 58.5 1.2 32 100 16550 280 58 57.1 -10.1 | 281 47 46.6 -8.8 33 96 16764 275 63 62.8 -5.5 | 275 52 52.2 -4.3 34 87 17374 300 55 47.6 -27.5 | 305 45 37.1 -26.3 35 78 17983 280 48 47.3 -8.3 | 281 37 36.7 -7.1 36 74 18288 255 26 25.1 6.7 | 241 17 14.6 8.0 37 70 18593 315 16 11.3 -11.3 | 356 10 0.8 -10.1 38 70 18600 315 25 17.7 -17.7 | 336 18 7.2 -16.4 39 67 18898 315 25 17.7 -17.7 | 336 18 7.2 -16.4 40 60 19507 300 5 4.3 -2.5 | 78 6 -6.2 -1.3 41 55 20117 265 13 13.0 1.1 | 226 3 2.4 2.4 42 52 20422 290 11 10.3 -3.8 | 4 3 -0.2 -2.5 43 50 20640 245 10 9.1 4.2 | 165 6 -1.5 5.5 44 46 21031 245 10 9.1 4.2 | 165 6 -1.5 5.5 45 43 21336 135 1 -0.7 0.7 | 100 11 -11.2 1.9 46 40 21641 120 11 -9.5 5.5 | 109 21 -20.1 6.7 47 35 22250 35 16 -9.2 -13.1 | 59 23 -19.7 -11.9 Wind Parameters Mean winds (0-6000m): 246.7 at 14.1 knts Storm direction: 276.7 at 10.6 knts Shear (0-3000m) pos: 3.6 neg: 1.8 tot: 5.5 10-3/s Storm rel Dir Shear (0-3000m): 52.4 deg Storm rel helicity (0-3000m) pos: 69.1 neg: -52.4 tot: 16.7 m^2/s^2 ave: 5.6 10^-3 m/s^2 rel: 0.15 Storm rel vorticity (0-3000m) horiz: 10.1 stream: 1.5 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.43 Bulk Shear: 79.98 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 92 11 94 22| 0.0 11.1 11.1| 0.0 -46.0 -46.0 -92.0 -0.41| 20.3 -8.2 1000 90 10 94 20| 2.7 5.5 8.2| 16.2 -46.0 -29.8 -29.8 -0.19| 13.2 -2.5 1500 94 8 96 19| 3.0 3.7 6.7| 22.5 -50.8 -28.3 -18.9 -0.15| 10.5 -1.6 2000 101 8 98 18| 3.2 2.8 6.0| 47.5 -51.4 -3.9 -2.0 0.04| 10.1 0.4 2500 115 8 104 18| 4.0 2.2 6.2| 64.6 -51.4 13.2 5.3 0.14| 9.9 1.4 3000 128 8 110 18| 3.6 1.8 5.5| 69.1 -52.4 16.7 5.6 0.15| 10.1 1.5 4000 192 9 140 13| 2.8 1.0 3.7| 75.5 -52.4 23.1 5.8 0.19| 8.5 1.6 5000 235 11 167 8| 2.7 0.1 2.8| 91.5 -60.5 31.0 6.2 0.23| 8.5 2.0 6000 247 14 200 7| 2.2 1.1 3.4| 92.5-104.6 -12.1 -2.0 0.11| 8.4 0.9 Wrote GIF file: /home/apache/climate/data/raob//SBFI/skewt/SBFI.skewt.20250420.12.gif