UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042700.upa.cvt Date: 0000Z 27 APR 25 Searching for SBFI... Searching the city database file for: SBFI ... Date:0000Z 27 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 81 SFC 982 243 22.2 21.4 95 0.8 21.6 0 0 296.9 299.9 295.4 344.7 16.56 2 976 296 24.2 20.4 79 3.8 21.5 99 5 299.4 302.3 295.6 345.1 15.64 3 971 341 25.0 19.0 69 6.0 20.8 113 6 300.7 303.3 295.0 342.9 14.39 4 925 764 21.6 18.8 84 2.8 19.6 90 7 301.4 304.1 295.6 345.3 14.93 5 921 802 21.4 18.7 85 2.7 19.5 94 7 301.6 304.3 295.6 345.4 14.90 6 908 925 21.2 14.2 64 7.0 16.6 105 9 302.6 304.7 293.3 336.0 11.28 7 850 1495 17.0 13.7 81 3.3 14.8 155 7 304.0 306.1 294.0 338.7 11.67 8 835 1647 16.6 12.6 77 4.0 14.0 187 11 305.1 307.1 293.9 338.1 11.05 9 812 1886 17.4 9.4 59 8.0 12.4 226 15 308.4 310.1 293.4 336.2 9.16 10 724 2855 10.6 5.8 72 4.8 7.8 262 20 311.2 312.7 293.3 335.9 8.02 11 700 3136 10.2 -5.8 32 16.0 2.5 255 16 313.8 314.5 290.3 325.1 3.54 12 675 3437 9.6 -27.4 5 37.0 -1.9 249 14 316.4 316.5 288.2 318.5 0.60 13 651 3736 8.4 -24.6 8 33.0 -2.4 244 15 318.3 318.5 289.1 321.1 0.80 14 598 4428 2.6 -17.4 21 20.0 -4.8 253 16 319.4 319.7 290.3 325.0 1.63 15 518 5572 -3.9 -35.9 6 32.0 -11.2 287 29 325.0 325.0 290.6 326.3 0.34 16 513 5649 -4.3 -37.3 6 33.0 -11.6 288 30 325.4 325.5 290.7 326.5 0.30 17 500 5850 -6.1 -21.1 29 15.0 -11.0 290 33 325.6 325.9 291.9 330.6 1.42 18 497 5897 -6.7 -15.7 49 9.0 -10.1 289 33 325.4 325.9 292.6 333.2 2.26 19 485 6088 -8.1 -22.1 31 14.0 -12.5 285 31 326.0 326.3 291.9 330.7 1.34 20 469 6348 -10.3 -14.6 71 4.3 -11.9 285 33 326.4 326.9 293.2 335.3 2.63 21 465 6414 -10.5 -15.0 69 4.5 -12.2 285 34 327.0 327.5 293.2 335.7 2.57 22 454 6599 -10.9 -42.9 5 32.0 -16.5 285 36 328.7 328.7 291.6 329.4 0.19 23 441 6822 -12.9 -28.9 25 16.0 -16.9 285 38 328.9 329.1 292.2 331.8 0.80 24 407 7430 -17.3 -50.3 4 33.0 -21.5 285 42 330.9 330.9 292.0 331.2 0.09 25 400 7560 -18.3 -47.3 6 29.0 -22.2 285 40 331.2 331.2 292.2 331.7 0.13 26 398 7597 -18.7 -44.7 8 26.0 -22.4 285 40 331.2 331.2 292.2 331.9 0.18 27 391 7729 -19.9 -25.9 59 6.0 -21.4 285 39 331.3 331.5 293.2 335.5 1.18 28 387 7806 -20.5 -26.5 59 6.0 -22.0 285 38 331.5 331.7 293.2 335.5 1.13 29 378 7979 -21.7 -28.7 53 7.0 -23.2 285 37 332.1 332.3 293.2 335.6 0.95 30 375 8038 -21.9 -35.9 27 14.0 -24.4 285 36 332.6 332.7 292.9 334.4 0.48 31 371 8117 -22.7 -28.7 58 6.0 -24.0 285 36 332.6 332.8 293.3 336.1 0.96 32 368 8177 -22.3 -27.0 66 4.7 -23.4 285 35 333.9 334.1 293.8 338.0 1.14 33 365 8237 -21.7 -27.7 58 6.0 -23.1 285 35 335.5 335.7 294.1 339.4 1.08 34 339 8777 -25.9 -53.9 5 28.0 -28.5 265 50 336.9 336.9 293.6 337.2 0.07 35 330 8971 -27.7 -53.7 7 26.0 -30.0 265 53 337.0 337.0 293.7 337.3 0.08 36 312 9372 -30.3 -35.3 62 5.0 -31.1 276 57 338.9 339.0 294.6 341.2 0.61 37 300 9650 -32.3 -38.3 55 6.0 -33.1 275 58 339.9 339.9 294.7 341.7 0.47 38 299 9674 -32.5 -39.5 50 7.0 -33.4 275 58 339.9 340.0 294.7 341.5 0.41 39 291 9864 -34.1 -58.1 7 24.0 -35.6 272 59 340.3 340.3 294.4 340.5 0.05 40 286 9985 -34.7 -61.7 5 27.0 -36.2 270 60 341.1 341.1 294.6 341.2 0.03 41 260 10643 -39.3 -61.3 8 22.0 -40.4 260 63 343.8 343.8 295.3 343.9 0.04 42 250 10910 -41.7 -60.7 11 19.0 -42.5 260 68 344.1 344.1 295.3 344.3 0.04 43 216 11888 -49.5 -60.5 26 11.0 -49.8 268 79 346.7 346.7 296.0 346.9 0.05 44 211 12042 -50.3 -65.3 15 15.0 -50.7 269 81 347.8 347.8 296.1 347.9 0.03 45 200 12390 -53.1 -68.1 15 15.0 -53.4 275 81 348.7 348.7 296.4 348.8 0.02 46 180 13059 -58.9 -69.9 23 11.0 -59.0 275 84 349.9 349.9 296.6 350.0 0.02 47 169 13451 -61.9 -70.9 29 9.0 -62.0 275 85 351.3 351.3 296.9 351.3 0.02 48 150 14180 -66.1 -78.1 17 12.0 -66.2 275 88 356.2 356.2 298.0 356.2 0.01 49 146 14343 -67.3 -80.3 14 13.0 -67.4 275 89 356.9 356.9 298.1 356.9 0.00 50 143 14468 -68.3 -80.5 16 12.2 -68.4 275 90 357.3 357.3 298.1 357.3 0.00 51 126 15215 -74.5 -81.5 33 7.0 -74.5 273 78 359.2 359.2 298.5 359.3 0.00 52 104 16317 -79.3 -85.3 37 6.0 -79.3 285 49 370.3 370.3 300.6 370.3 0.00 53 101 16483 -78.3 -86.3 26 8.0 -78.3 289 51 375.4 375.4 301.5 375.4 0.00 54 100 16540 -77.5 -86.5 22 9.0 -77.5 290 52 378.0 378.0 301.9 378.0 0.00 55 97 16716 -75.7 -86.7 16 11.0 -75.7 290 52 384.8 384.8 303.0 384.8 0.00 56 86 17410 -78.5 -88.5 18 10.0 -78.5 295 31 392.6 392.6 304.2 392.6 0.00 57 73 18362 -71.9 -88.9 6 17.0 -72.0 295 31 425.4 425.4 308.3 425.4 0.00 58 70 18610 -72.7 -89.7 6 17.0 -72.8 280 35 428.9 428.9 308.7 428.9 0.00 59 62 19327 -71.9 -89.9 5 18.0 -72.0 272 25 445.8 445.8 310.4 445.8 0.00 60 50 20630 -62.5 -89.5 1 27.0 -62.9 240 19 496.2 496.2 314.7 496.2 0.00 61 48 20882 -61.3 -88.3 2 27.0 -61.8 258 21 504.9 504.9 315.3 504.9 0.00 62 46 21144 -62.9 -88.9 2 26.0 -63.3 216 22 507.2 507.2 315.5 507.2 0.00 63 42 21706 -60.1 -88.1 1 28.0 -60.7 208 4 527.5 527.5 316.8 527.5 0.00 64 32 23426 -53.3 -85.3 1 32.0 -55.1 208 12 588.4 588.4 320.0 588.4 0.01 65 30 23840 -54.5 -85.5 1 31.0 -56.2 60 4 596.1 596.1 320.5 596.1 0.01 66 26 24755 -55.3 -86.3 1 31.0 -57.1 31 2 618.7 618.7 321.5 618.8 0.01 67 22 25825 -53.5 -85.5 1 32.0 -55.9 21 2 654.3 654.3 322.9 654.4 0.01 TRP 104 16317 -79.3 -85.3 37 6.0 -79.3 285 49 370.3 370.3 300.6 370.3 0.00 WND 143 14468 -68.3 -80.5 16 12.2 -68.4 275 90 357.3 357.3 298.1 357.3 0.00 Sounding variables and indices 1000-500 mb thick: 5769.00 m Freezing level: 566.00 mb = 4885.65 m = 16028.84 ft Wetbulb zero: 685.89 mb = 3304.58 m = 10841.65 ft Precipitable water: 1.36 inches Sfc-500 mean rel hum: 41.61 % Est. max temperature: 30.78 C = 87.40 F Sfc-Lift cond lev (LCL): 970.93 mb = 341.93 m = 1121.80 ft T: 24.99 C 700-500 lapse rate: 6.01 C/km ThetaE index: 20.22 C Layer 835.0- 651.0 mb Conv cond level (CCL): 775.73 mb = 2271.60 m = 7452.67 ft Mean mixing ratio: 13.67 g/kg Conv temperature: 34.77 C = 94.58 F Cap Strength: 3.43 C Lifted Index: -0.03 C Risk: Thunderstorms probable Lifted Index @300 mb: 0.73 C Lifted Index @700 mb: 1.98 C Showalter Index: 1.20 C Risk: Showers probable Total Totals Index: 42.90 C Risk: None Vertical Totals Index: 23.10 C Cross Totals Index: 19.80 C K Index: 20.80 Risk: 20-40 % chance of thunderstorms Sweat Index: 211.40 Risk: None Energy Index: -1.53 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 112.43 J/kg Max Up Vert Vel: 15.00 m/s Conv Inhibition (B-): 282.31 J/kg Cap Strength: 3.41 C Lift Cond Lev (LCL): 869.25 mb = 1301.71 m = 4270.65 ft Lev Free Conv (LFC): 494.25 mb = 5940.45 m = 19489.42 ft Equ Level (EL): 354.25 mb = 8455.10 m = 27739.48 ft B at Equ Level: 111.19 J/kg Max Parcel Lev (MPL): 244.25 mb = 11065.58 m = 36303.95 ft Wind level data Storm motion: 292 at 13 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 ---------------------------------------------------------- 0 982 243 0 0 -0.0 -0.0 | 112 13 -12.0 4.9 1 975 305 115 6 -5.4 2.5 | 113 19 -17.4 7.4 2 942 610 95 9 -9.0 0.8 | 105 22 -20.9 5.7 3 925 764 90 7 -7.0 0.0 | 105 20 -19.0 4.9 4 909 914 105 9 -8.7 2.3 | 109 22 -20.6 7.2 5 878 1219 110 10 -9.4 3.4 | 111 23 -21.4 8.3 6 850 1495 155 7 -3.0 6.3 | 127 19 -14.9 11.3 7 817 1829 225 15 10.6 10.6 | 175 16 -1.3 15.5 8 788 2134 230 15 11.5 9.6 | 178 15 -0.5 14.6 9 760 2438 245 16 14.5 6.8 | 192 12 2.5 11.7 10 733 2743 260 21 20.7 3.6 | 226 12 8.7 8.6 11 707 3048 265 17 16.9 1.5 | 218 8 5.0 6.4 12 700 3136 255 16 15.5 4.1 | 201 10 3.5 9.1 13 681 3353 250 14 13.2 4.8 | 187 10 1.2 9.7 14 608 4267 235 16 13.1 9.2 | 185 14 1.2 14.1 15 586 4572 275 17 16.9 -1.5 | 235 6 5.0 3.4 16 504 5791 290 32 30.1 -10.9 | 288 19 18.1 -6.0 17 500 5850 290 33 31.0 -11.3 | 289 20 19.1 -6.4 18 484 6096 285 31 29.9 -8.0 | 280 18 18.0 -3.1 19 413 7315 285 43 41.5 -11.1 | 282 30 29.6 -6.2 20 400 7560 285 40 38.6 -10.4 | 282 27 26.7 -5.4 21 365 8230 285 35 33.8 -9.1 | 281 22 21.9 -4.1 22 350 8534 265 46 45.8 4.0 | 255 35 33.9 8.9 23 322 9144 265 56 55.8 4.9 | 257 45 43.8 9.8 24 308 9449 280 58 57.1 -10.1 | 277 45 45.2 -5.2 25 300 9650 275 58 57.8 -5.1 | 270 46 45.8 -0.1 26 259 10668 260 63 62.0 10.9 | 252 53 50.1 15.8 27 250 10910 260 68 67.0 11.8 | 253 57 55.0 16.7 28 206 12192 270 83 83.0 -0.0 | 266 71 71.0 4.9 29 200 12390 275 81 80.7 -7.1 | 272 69 68.7 -2.2 30 150 14180 275 88 87.7 -7.7 | 272 76 75.7 -2.8 31 143 14468 275 90 89.7 -7.8 | 272 78 77.7 -2.9 32 139 14630 275 90 89.7 -7.8 | 272 78 77.7 -2.9 33 107 16154 270 58 58.0 -0.0 | 264 46 46.0 4.9 34 104 16317 285 49 47.3 -12.7 | 282 36 35.4 -7.8 35 100 16540 290 52 48.9 -17.8 | 289 39 36.9 -12.9 36 96 16764 290 52 48.9 -17.8 | 289 39 36.9 -12.9 37 87 17374 295 30 27.2 -12.7 | 297 17 15.2 -7.8 38 78 17983 295 42 38.1 -17.7 | 296 29 26.1 -12.8 39 74 18288 300 30 26.0 -15.0 | 306 17 14.0 -10.1 40 70 18610 280 35 34.5 -6.1 | 273 23 22.5 -1.2 41 63 19202 265 25 24.9 2.2 | 241 15 13.0 7.1 42 57 19812 295 23 20.8 -9.7 | 298 10 8.9 -4.8 43 54 20117 310 23 17.6 -14.8 | 330 11 5.7 -9.9 44 52 20422 320 21 13.5 -16.1 | 352 11 1.5 -11.2 45 50 20630 240 19 16.5 9.5 | 197 15 4.5 14.4 46 49 20726 300 20 17.3 -10.0 | 313 7 5.4 -5.1 47 47 21031 220 21 13.5 16.1 | 184 21 1.5 21.0 48 45 21336 210 24 12.0 20.8 | 180 26 0.0 25.7 49 43 21641 165 2 -0.5 1.9 | 119 14 -12.5 6.8 50 41 21946 320 10 6.4 -7.7 | 64 6 -5.5 -2.8 51 39 22250 305 17 13.9 -9.8 | 338 5 2.0 -4.8 52 30 23774 180 11 0.0 11.0 | 143 20 -12.0 15.9 53 30 23840 60 4 -3.5 -2.0 | 101 16 -15.4 2.9 54 22 24994 0 0 -0.0 -0.0 | 112 13 -12.0 4.9 55 21 25298 120 11 -9.5 5.5 | 116 24 -21.5 10.4 56 18 25908 55 11 -9.0 -6.3 | 86 21 -21.0 -1.4 57 16 26213 65 15 -13.6 -6.3 | 87 26 -25.5 -1.4 Wind Parameters Mean winds (0-6000m): 262.3 at 17.2 knts Storm direction: 292.3 at 12.9 knts Shear (0-3000m) pos: 3.6 neg: 1.1 tot: 4.7 10-3/s Storm rel Dir Shear (0-3000m): 81.8 deg Storm rel helicity (0-3000m) pos: 154.5 neg: -27.7 tot: 126.9 m^2/s^2 ave: 42.3 10^-3 m/s^2 rel: 0.45 Storm rel vorticity (0-3000m) horiz: 10.0 stream: 4.6 10^-3/s Energy-Hel index: 0.09 Bulk Rich Number: 1.46 Bulk Shear: 76.77 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 ------------------------------------------------------------------------------- 500 101 7 108 20| 7.5 0.0 7.5| 0.1 -15.2 -15.2 -30.4 -0.25| 11.5 -2.9 1000 103 8 109 21| 5.0 0.0 5.0| 18.2 -15.2 3.0 3.0 0.02| 8.1 0.2 1500 121 8 116 21| 4.4 0.0 4.4| 98.8 -15.2 83.6 55.7 0.49| 11.2 5.5 2000 163 10 134 21| 4.0 0.0 4.0|125.5 -15.2 110.2 55.1 0.56| 10.4 5.8 2500 201 12 153 18| 4.3 0.0 4.3|154.5 -15.2 139.3 55.7 0.63| 10.3 6.5 3000 224 13 167 14| 3.6 1.1 4.7|154.5 -27.7 126.9 42.3 0.45| 10.0 4.6 4000 232 13 173 13| 2.7 1.2 3.9|154.5 -32.4 122.1 30.5 0.39| 8.2 3.2 5000 246 14 187 11| 3.5 1.0 4.5|189.4 -32.4 156.9 31.4 0.46| 8.6 4.0 6000 262 17 215 9| 3.5 0.8 4.3|206.4 -47.0 159.5 26.6 0.42| 8.3 3.4 Wrote GIF file: /home/apache/climate/data/raob//SBFI/skewt/SBFI.skewt.20250427.00.gif