UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041812.upa.cvt Date: 1200Z 18 APR 25 Searching for SBFI... Searching the city database file for: SBFI ... Date:1200Z 18 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 117 SFC 986 243 23.2 21.5 90 1.7 22.0 80 4 297.5 300.6 295.7 345.6 16.59 2 925 797 21.2 19.5 90 1.7 20.0 10 15 301.0 303.8 295.9 346.9 15.61 3 881 1220 19.6 15.7 78 3.9 17.0 3 15 303.6 305.9 294.7 341.7 12.84 4 850 1529 17.0 14.2 84 2.8 15.1 355 11 304.0 306.2 294.3 339.9 12.07 5 775 2311 11.6 11.2 97 0.4 11.3 6 10 306.3 308.3 294.0 338.9 10.85 6 740 2697 9.6 9.3 98 0.3 9.4 19 7 308.2 310.1 294.0 338.5 9.99 7 700 3158 7.8 2.9 71 4.9 5.1 25 4 311.1 312.4 292.3 332.0 6.75 8 671 3505 6.4 -7.6 36 14.0 0.0 8 9 313.3 314.0 289.9 323.7 3.22 9 611 4266 2.2 -22.8 14 25.0 -5.8 29 2 317.0 317.2 288.9 320.5 1.00 10 606 4332 2.4 -29.6 7 32.0 -6.5 19 2 318.0 318.1 288.7 319.9 0.54 11 601 4399 2.4 -29.6 7 32.0 -6.5 3 3 318.7 318.9 288.9 320.7 0.55 12 500 5850 -10.1 -29.1 19 19.0 -14.7 260 28 320.7 320.9 289.7 323.2 0.69 13 472 6291 -14.1 -31.1 22 17.0 -17.7 265 31 321.1 321.2 289.8 323.3 0.60 14 451 6635 -14.9 -41.9 8 27.0 -19.2 267 43 324.3 324.3 290.3 325.1 0.21 15 447 6703 -14.7 -49.7 3 35.0 -19.4 267 46 325.4 325.4 290.5 325.7 0.09 16 413 7300 -16.1 -52.1 3 36.0 -20.7 267 64 331.0 331.0 292.1 331.3 0.07 17 400 7540 -17.9 -48.9 5 31.0 -22.0 265 66 331.7 331.7 292.3 332.2 0.11 18 351 8502 -24.5 -45.5 12 21.0 -27.1 274 81 335.5 335.5 293.4 336.2 0.19 19 300 9620 -34.5 -47.5 26 13.0 -35.6 260 85 336.7 336.8 293.7 337.4 0.17 20 295 9738 -35.7 -47.7 28 12.0 -36.7 260 86 336.7 336.7 293.7 337.4 0.17 21 280 10100 -38.9 -43.9 59 5.0 -39.4 260 88 337.1 337.2 293.9 338.2 0.28 22 256 10711 -44.1 -47.0 73 2.9 -44.3 260 92 338.2 338.2 294.1 339.1 0.22 23 250 10870 -45.5 -48.8 69 3.3 -45.7 260 93 338.4 338.5 294.1 339.1 0.18 24 217 11798 -53.7 -57.4 64 3.7 -53.8 260 96 339.7 339.7 294.3 340.0 0.08 25 212 11948 -54.9 -59.4 57 4.5 -55.1 260 96 340.0 340.1 294.4 340.3 0.06 26 209 12039 -55.7 -60.7 54 5.0 -55.8 260 96 340.2 340.3 294.4 340.5 0.05 27 207 12100 -56.1 -63.1 41 7.0 -56.2 260 96 340.6 340.6 294.5 340.7 0.04 28 203 12225 -55.1 -73.1 9 18.0 -55.4 259 94 344.0 344.0 295.3 344.1 0.01 29 200 12320 -55.5 -71.5 12 16.0 -55.7 255 88 344.9 344.9 295.5 344.9 0.01 30 171 13309 -58.7 -78.7 6 20.0 -58.9 266 88 355.4 355.4 297.8 355.4 0.00 31 150 14120 -64.5 -81.5 8 17.0 -64.6 275 88 359.0 359.0 298.5 359.0 0.00 32 111 15912 -74.5 -86.5 14 12.0 -74.5 265 85 372.5 372.5 301.0 372.5 0.00 33 100 16520 -73.1 -88.1 8 15.0 -73.2 255 77 386.5 386.5 303.3 386.5 0.00 34 95 16823 -69.5 -88.5 5 19.0 -69.6 259 78 399.3 399.3 305.1 399.3 0.00 35 76 18122 -78.5 -89.5 15 11.0 -78.5 255 49 406.8 406.8 306.1 406.8 0.00 36 70 18600 -70.5 -89.5 4 19.0 -70.6 225 27 433.6 433.6 309.2 433.6 0.00 37 67 18862 -71.1 -90.1 4 19.0 -71.2 225 24 437.7 437.7 309.7 437.7 0.00 38 50 20650 -60.5 -86.5 2 26.0 -61.0 335 20 500.9 500.9 315.0 500.9 0.00 39 39 22192 -62.5 -88.5 2 26.0 -63.0 271 4 532.7 532.7 317.1 532.8 0.00 40 32 23438 -54.5 -84.5 1 30.0 -56.1 95 11 585.2 585.2 319.9 585.2 0.01 41 30 23850 -55.9 -84.9 1 29.0 -57.3 85 12 592.2 592.3 320.3 592.3 0.01 42 27 24525 -52.7 -83.7 1 31.0 -54.9 90 12 619.4 619.4 321.5 619.4 0.01 43 22 25856 -49.9 -81.9 1 32.0 -53.2 67 19 665.1 665.1 323.3 665.2 0.02 TRP 111 15912 -74.5 -86.5 14 12.0 -74.5 265 85 372.5 372.5 301.0 372.5 0.00 WND 212 11948 -54.9 -59.4 57 4.5 -55.1 260 96 340.0 340.1 294.4 340.3 0.06 Sounding variables and indices 1000-500 mb thick: 5733.00 m Freezing level: 581.61 mb = 4677.78 m = 15346.85 ft Wetbulb zero: 670.80 mb = 3507.65 m = 11507.89 ft Precipitable water: 1.56 inches Sfc-500 mean rel hum: 55.26 % Est. max temperature: 30.00 C = 86.01 F Sfc-Lift cond lev (LCL): 962.15 mb = 455.39 m = 1494.04 ft T: 22.43 C 700-500 lapse rate: 6.65 C/km ThetaE index: 26.95 C Layer 881.0- 601.0 mb Conv cond level (CCL): 864.53 mb = 1382.89 m = 4537.00 ft Mean mixing ratio: 15.40 g/kg Conv temperature: 29.40 C = 84.91 F Cap Strength: 1.65 C Lifted Index: -5.55 C Risk: Severe thunderstorms probable Lifted Index @300 mb: -3.70 C Lifted Index @700 mb: -1.54 C Showalter Index: -3.26 C Risk: Severe thunderstorms possible Total Totals Index: 51.40 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 27.10 C Cross Totals Index: 24.30 C K Index: 36.40 Risk: > 80 % chance of thunderstorms Sweat Index: 268.40 Risk: None Energy Index: -3.25 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 1292.74 J/kg Max Up Vert Vel: 50.85 m/s Conv Inhibition (B-): 30.09 J/kg Cap Strength: 1.59 C Lift Cond Lev (LCL): 907.39 mb = 963.97 m = 3162.60 ft Lev Free Conv (LFC): 832.39 mb = 1706.26 m = 5597.90 ft Equ Level (EL): 192.39 mb = 12565.17 m = 41223.80 ft B at Equ Level: 1272.47 J/kg Max Parcel Lev (MPL): 112.39 mb = 15838.01 m = 51961.33 ft Wind level data Storm motion: 346 at 9 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 ---------------------------------------------------------- 0 986 243 80 4 -3.9 -0.7 | 143 10 -6.2 8.3 1 979 305 60 6 -5.2 -3.0 | 129 10 -7.4 6.0 2 945 610 10 12 -2.1 -11.8 | 57 5 -4.3 -2.8 3 925 797 10 15 -2.6 -14.8 | 40 8 -4.9 -5.8 4 913 914 10 18 -3.1 -17.7 | 32 10 -5.4 -8.7 5 850 1529 355 11 1.0 -11.0 | 33 2 -1.3 -2.0 6 820 1829 345 13 3.4 -12.6 | 343 4 1.1 -3.6 7 791 2134 355 13 1.1 -13.0 | 16 4 -1.1 -4.0 8 763 2438 15 8 -2.1 -7.7 | 106 4 -4.3 1.3 9 700 3158 25 4 -1.7 -3.6 | 144 7 -3.9 5.4 10 658 3658 360 11 -0.0 -11.0 | 48 3 -2.2 -2.0 11 633 3962 10 10 -1.7 -9.8 | 78 4 -4.0 -0.9 12 609 4267 30 1 -0.5 -0.9 | 161 9 -2.7 8.1 13 565 4877 240 10 8.7 5.0 | 205 15 6.4 14.0 14 500 5850 260 28 27.6 4.9 | 241 29 25.3 13.8 15 484 6096 265 30 29.9 2.6 | 247 30 27.6 11.6 16 465 6401 265 31 30.9 2.7 | 248 31 28.6 11.7 17 429 7010 270 62 62.0 -0.0 | 261 60 59.8 9.0 18 400 7540 265 66 65.7 5.8 | 257 65 63.5 14.7 19 364 8230 270 74 74.0 -0.0 | 263 72 71.8 9.0 20 349 8534 275 82 81.7 -7.1 | 269 79 79.4 1.8 21 307 9449 265 86 85.7 7.5 | 259 85 83.4 16.5 22 300 9620 260 85 83.7 14.8 | 254 85 81.5 23.7 23 250 10870 260 93 91.6 16.1 | 254 93 89.3 25.1 24 212 11948 260 96 94.5 16.7 | 254 96 92.3 25.7 25 204 12192 260 96 94.5 16.7 | 254 96 92.3 25.7 26 200 12320 255 88 85.0 22.8 | 249 89 82.8 31.8 27 150 14120 275 88 87.7 -7.7 | 269 85 85.4 1.3 28 145 14326 275 87 86.7 -7.6 | 269 84 84.4 1.4 29 111 15912 265 85 84.7 7.4 | 259 84 82.4 16.4 30 100 16520 255 77 74.4 19.9 | 248 78 72.1 28.9 31 96 16764 260 79 77.8 13.7 | 253 79 75.6 22.7 32 82 17678 240 55 47.6 27.5 | 231 58 45.4 36.5 33 74 18288 260 47 46.3 8.2 | 249 47 44.0 17.1 34 70 18593 255 38 36.7 9.8 | 241 39 34.5 18.8 35 70 18600 225 27 19.1 19.1 | 211 33 16.8 28.1 36 67 18898 225 24 17.0 17.0 | 210 30 14.7 26.0 37 63 19202 285 22 21.3 -5.7 | 260 19 19.0 3.3 38 60 19507 285 25 24.1 -6.5 | 263 22 21.9 2.5 39 57 19812 255 23 22.2 6.0 | 233 25 20.0 14.9 40 55 20117 255 28 27.0 7.2 | 237 30 24.8 16.2 41 52 20422 235 11 9.0 6.3 | 204 17 6.8 15.3 42 50 20650 335 20 8.5 -18.1 | 326 11 6.2 -9.1 43 49 20726 320 11 7.1 -8.4 | 263 5 4.8 0.6 44 47 21031 335 21 8.9 -19.0 | 327 12 6.6 -10.0 45 45 21336 310 13 10.0 -8.4 | 265 8 7.7 0.6 46 43 21641 230 5 3.8 3.2 | 187 12 1.6 12.2 47 33 23165 340 1 0.3 -0.9 | 167 8 -1.9 8.0 48 32 23470 105 12 -11.6 3.1 | 131 18 -13.8 12.1 49 30 23774 90 19 -19.0 0.0 | 113 23 -21.2 9.0 50 30 23850 85 12 -12.0 -1.0 | 119 16 -14.2 7.9 51 28 24079 80 17 -16.7 -3.0 | 108 20 -19.0 6.0 52 26 24384 95 9 -9.0 0.8 | 131 15 -11.2 9.8 53 21 25298 60 21 -18.2 -10.5 | 86 20 -20.4 -1.5 54 20 25603 80 13 -12.8 -2.3 | 114 16 -15.0 6.7 55 17 26213 100 15 -14.8 2.6 | 124 21 -17.0 11.6 Wind Parameters Mean winds (0-6000m): 316.0 at 12.4 knts Storm direction: 346.0 at 9.3 knts Shear (0-3000m) pos: 1.5 neg: 2.3 tot: 3.7 10-3/s Storm rel Dir Shear (0-3000m): -8.0 deg Storm rel helicity (0-3000m) pos: 13.0 neg: -33.8 tot: -20.8 m^2/s^2 ave: -6.9 10^-3 m/s^2 rel: -0.16 Storm rel vorticity (0-3000m) horiz: 7.2 stream: -1.1 10^-3/s Energy-Hel index: 0.04 Bulk Rich Number: 65.04 Bulk Shear: 19.88 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 23 10 91 6| 0.0 13.7 13.7| 0.0 -25.6 -25.6 -51.2 -0.89| 15.0-13.3 1000 13 13 56 6| 0.0 7.2 7.2| 0.0 -30.7 -30.7 -30.7 -0.69| 11.4 -7.8 1500 8 13 48 5| 0.0 4.5 4.5| 0.2 -31.9 -31.7 -21.2 -0.61| 9.5 -5.8 2000 3 13 39 5| 0.8 3.4 4.2| 4.4 -32.4 -28.0 -14.0 -0.40| 8.4 -3.3 2500 4 12 49 4| 1.6 2.7 4.3| 10.1 -32.4 -22.3 -8.9 -0.20| 7.9 -1.6 3000 6 11 65 4| 1.5 2.3 3.7| 13.0 -33.8 -20.8 -6.9 -0.16| 7.2 -1.1 4000 6 10 74 3| 2.2 2.4 4.7| 24.7 -39.3 -14.7 -3.7 -0.05| 7.6 -0.4 5000 355 10 67 2| 1.8 2.7 4.4| 53.5 -43.5 10.1 2.0 0.07| 8.4 0.6 6000 316 12 269 6| 1.4 2.2 3.6|135.5 -43.5 92.0 15.3 0.18| 8.4 1.5 Wrote GIF file: /home/apache/climate/data/raob//SBFI/skewt/SBFI.skewt.20250418.12.gif