UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025050512.upa.cvt Date: 1200Z 5 MAY 25 Searching for SBFI... Searching the city database file for: SBFI ... Date:1200Z 5 MAY 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 153 SFC 990 243 20.2 17.0 82 3.2 18.1 90 9 294.2 296.4 291.6 329.6 12.40 2 976 365 19.6 15.4 77 4.2 16.8 62 16 294.8 296.8 290.9 327.3 11.34 3 963 481 22.2 15.2 65 7.0 17.6 37 15 298.6 300.6 292.2 331.6 11.35 4 925 828 20.6 15.6 73 5.0 17.2 5 15 300.4 302.6 293.3 336.0 12.14 5 850 1555 16.2 12.6 79 3.6 13.8 55 9 303.1 305.1 293.2 335.3 10.85 6 833 1727 15.2 11.7 80 3.5 13.0 27 7 303.8 305.7 293.0 334.9 10.43 7 790 2176 13.6 6.6 63 7.0 9.5 348 8 306.7 308.2 291.8 330.3 7.76 8 719 2967 10.4 4.4 66 6.0 6.9 273 12 311.6 313.0 292.9 334.3 7.31 9 700 3190 8.4 3.6 72 4.8 5.6 265 14 311.8 313.1 292.7 333.8 7.10 10 594 4524 -2.3 -2.7 97 0.4 -2.5 261 19 314.4 315.4 292.0 331.1 5.29 11 589 4591 -2.5 -2.6 99 0.1 -2.6 258 20 314.9 315.9 292.2 331.9 5.37 12 585 4645 -1.7 -7.7 64 6.0 -4.4 254 21 316.4 317.1 291.2 328.3 3.66 13 500 5880 -9.5 -12.6 78 3.1 -10.7 260 26 321.5 322.0 292.0 331.1 2.90 14 416 7270 -19.7 -19.7 100 0.0 -19.7 289 26 325.7 326.1 292.3 332.3 1.93 15 400 7560 -20.9 -24.9 70 4.0 -21.9 285 32 327.8 328.1 292.3 332.3 1.27 16 397 7616 -21.3 -25.3 70 4.0 -22.2 284 33 328.0 328.3 292.3 332.4 1.23 17 393 7690 -21.7 -27.7 58 6.0 -23.0 282 35 328.4 328.6 292.3 332.0 1.00 18 386 7823 -21.3 -52.3 4 31.0 -24.6 278 38 330.7 330.7 292.0 331.0 0.08 19 300 9630 -35.7 -59.7 7 24.0 -37.0 255 42 335.1 335.1 293.1 335.2 0.04 20 287 9935 -38.3 -60.3 8 22.0 -39.4 261 46 335.6 335.6 293.3 335.8 0.04 21 250 10870 -43.5 -65.5 7 22.0 -44.2 260 57 341.4 341.4 294.7 341.5 0.02 22 200 12340 -53.9 -69.9 12 16.0 -54.2 255 71 347.4 347.4 296.1 347.5 0.02 23 177 13115 -58.1 -74.7 10 16.6 -58.3 255 78 352.9 352.9 297.3 353.0 0.01 24 162 13668 -61.1 -78.1 9 17.0 -61.3 253 69 356.9 356.9 298.1 356.9 0.01 25 150 14140 -65.3 -78.3 15 13.0 -65.4 260 57 357.6 357.6 298.2 357.6 0.01 26 143 14429 -67.7 -79.7 17 12.0 -67.8 260 59 358.3 358.3 298.4 358.3 0.00 27 115 15724 -73.1 -85.1 14 12.0 -73.2 264 50 371.3 371.3 300.8 371.4 0.00 28 101 16482 -74.5 -87.5 12 13.0 -74.5 265 27 382.7 382.7 302.7 382.7 0.00 29 100 16540 -74.9 -87.9 12 13.0 -74.9 280 23 383.0 383.0 302.7 383.0 0.00 30 99 16598 -75.1 -88.1 11 13.0 -75.2 280 24 383.7 383.7 302.8 383.7 0.00 31 83 17619 -76.7 -88.7 13 12.0 -76.7 252 25 400.3 400.3 305.2 400.3 0.00 32 70 18610 -73.1 -90.1 6 17.0 -73.2 250 21 428.0 428.0 308.6 428.0 0.00 33 52 20390 -64.7 -88.7 2 24.0 -65.0 270 17 485.5 485.5 313.9 485.6 0.00 34 50 20630 -64.5 -89.5 2 25.0 -64.8 255 14 491.5 491.5 314.3 491.5 0.00 35 43 21553 -63.1 -88.1 2 25.0 -63.6 237 18 516.6 516.6 316.1 516.6 0.00 36 42 21698 -63.3 -89.3 2 26.0 -63.7 232 16 519.6 519.6 316.3 519.6 0.00 37 38 22320 -57.7 -86.7 1 29.0 -58.7 285 2 548.9 548.9 318.1 549.0 0.01 38 30 23820 -54.9 -84.9 1 30.0 -56.5 305 5 595.0 595.0 320.4 595.0 0.01 39 21 26139 -47.5 -81.5 1 34.0 -51.6 38 14 681.2 681.2 323.8 681.4 0.02 TRP 99 16598 -75.1 -88.1 11 13.0 -75.2 280 24 383.7 383.7 302.8 383.7 0.00 WND 177 13115 -58.1 -74.7 10 16.6 -58.3 255 78 352.9 352.9 297.3 353.0 0.01 Sounding variables and indices 1000-500 mb thick: 5727.00 m Freezing level: 616.79 mb = 4237.04 m = 13900.90 ft Wetbulb zero: 626.53 mb = 4090.61 m = 13420.47 ft Precipitable water: 1.62 inches Sfc-500 mean rel hum: 74.56 % Est. max temperature: 29.51 C = 85.11 F Sfc-Lift cond lev (LCL): 944.46 mb = 648.45 m = 2127.42 ft T: 21.43 C 700-500 lapse rate: 6.65 C/km ThetaE index: 5.67 C Layer 850.0- 719.0 mb Conv cond level (CCL): 752.00 mb = 2590.16 m = 8497.81 ft Mean mixing ratio: 11.74 g/kg Conv temperature: 35.25 C = 95.45 F Cap Strength: 3.82 C Lifted Index: 0.21 C Risk: Showers probable Lifted Index @300 mb: 2.48 C Lifted Index @700 mb: 2.93 C Showalter Index: -0.73 C Risk: Thunderstorms probable Total Totals Index: 47.80 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 25.70 C Cross Totals Index: 22.10 C K Index: 33.50 Risk: 60-80 % chance of thunderstorms Sweat Index: 195.20 Risk: None Energy Index: -0.84 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 45.29 J/kg Max Up Vert Vel: 9.52 m/s Conv Inhibition (B-): 302.90 J/kg Cap Strength: 3.80 C Lift Cond Lev (LCL): 869.96 mb = 1355.41 m = 4446.82 ft Lev Free Conv (LFC): 604.96 mb = 4375.18 m = 14354.11 ft Equ Level (EL): 574.96 mb = 4781.42 m = 15686.88 ft B at Equ Level: 28.73 J/kg Max Parcel Lev (MPL): 374.96 mb = 8030.83 m = 26347.56 ft Wind level data Storm motion: 301 at 12 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 ---------------------------------------------------------- 0 990 243 90 9 -9.0 0.0 | 108 20 -19.2 6.2 1 983 305 75 16 -15.5 -4.1 | 95 26 -25.6 2.1 2 949 610 10 14 -2.4 -13.8 | 59 15 -12.6 -7.6 3 925 828 5 15 -1.3 -14.9 | 53 14 -11.5 -8.7 4 916 914 25 14 -5.9 -12.7 | 68 17 -16.1 -6.5 5 884 1219 65 11 -10.0 -4.6 | 94 20 -20.2 1.6 6 853 1524 70 11 -10.3 -3.8 | 97 21 -20.5 2.5 7 850 1555 55 9 -7.4 -5.2 | 93 18 -17.6 1.1 8 823 1829 10 5 -0.9 -4.9 | 97 11 -11.1 1.3 9 794 2134 355 8 0.7 -8.0 | 80 10 -9.5 -1.7 10 765 2438 295 7 6.3 -3.0 | 130 5 -3.8 3.3 11 738 2743 280 10 9.8 -1.7 | 176 5 -0.3 4.5 12 700 3190 265 14 13.9 1.2 | 207 8 3.8 7.5 13 686 3353 255 15 14.5 3.9 | 203 11 4.3 10.1 14 612 4267 275 16 15.9 -1.4 | 230 8 5.8 4.8 15 567 4877 240 24 20.8 12.0 | 210 21 10.6 18.2 16 506 5791 260 26 25.6 4.5 | 235 19 15.4 10.7 17 500 5880 260 26 25.6 4.5 | 235 19 15.4 10.7 18 486 6096 260 25 24.6 4.3 | 234 18 14.4 10.6 19 467 6401 255 25 24.1 6.5 | 228 19 14.0 12.7 20 448 6706 275 22 21.9 -1.9 | 250 13 11.7 4.3 21 413 7315 290 26 24.4 -8.9 | 281 14 14.2 -2.7 22 400 7560 285 32 30.9 -8.3 | 276 21 20.7 -2.1 23 380 7925 275 40 39.8 -3.5 | 265 30 29.7 2.7 24 364 8230 265 39 38.9 3.4 | 251 30 28.7 9.6 25 335 8839 250 32 30.1 10.9 | 229 26 19.9 17.2 26 300 9630 255 42 40.6 10.9 | 241 35 30.4 17.1 27 269 10363 270 51 51.0 -0.0 | 261 41 40.8 6.2 28 250 10870 260 57 56.1 9.9 | 251 49 46.0 16.1 29 214 11887 260 72 70.9 12.5 | 253 64 60.7 18.7 30 200 12340 255 71 68.6 18.4 | 247 63 58.4 24.6 31 177 13115 255 78 75.3 20.2 | 248 70 65.2 26.4 32 169 13411 255 78 75.3 20.2 | 248 70 65.2 26.4 33 153 14021 250 57 53.6 19.5 | 239 50 43.4 25.7 34 150 14140 260 57 56.1 9.9 | 251 49 46.0 16.1 35 125 15240 260 66 65.0 11.5 | 252 58 54.8 17.7 36 118 15545 265 49 48.8 4.3 | 255 40 38.6 10.5 37 107 16154 260 52 51.2 9.0 | 250 44 41.0 15.3 38 101 16459 260 29 28.6 5.0 | 238 22 18.4 11.3 39 100 16540 280 23 22.7 -4.0 | 260 13 12.5 2.2 40 99 16598 280 24 23.6 -4.2 | 261 14 13.5 2.1 41 96 16764 280 23 22.7 -4.0 | 260 13 12.5 2.2 42 82 17678 250 25 23.5 8.6 | 222 20 13.3 14.8 43 78 17983 270 31 31.0 -0.0 | 253 22 20.8 6.2 44 70 18610 250 21 19.7 7.2 | 215 16 9.6 13.4 45 67 18898 245 18 16.3 7.6 | 204 15 6.1 13.8 46 63 19202 270 20 20.0 -0.0 | 238 12 9.8 6.2 47 60 19507 250 21 19.7 7.2 | 215 16 9.6 13.4 48 57 19812 220 16 10.3 12.3 | 180 18 0.1 18.5 49 54 20117 265 14 13.9 1.2 | 207 8 3.8 7.5 50 52 20422 270 17 17.0 -0.0 | 228 9 6.8 6.2 51 50 20630 255 14 13.5 3.6 | 199 10 3.3 9.9 52 47 21031 255 17 16.4 4.4 | 210 12 6.2 10.6 53 43 21641 235 18 14.7 10.3 | 195 17 4.6 16.6 54 41 21946 225 12 8.5 8.5 | 173 15 -1.7 14.7 55 39 22250 275 1 1.0 -0.1 | 124 11 -9.2 6.1 56 33 23165 10 12 -2.1 -11.8 | 66 13 -12.3 -5.6 57 32 23470 355 16 1.4 -15.9 | 42 13 -8.8 -9.7 58 30 23820 305 5 4.1 -2.9 | 119 7 -6.1 3.4 59 24 24689 175 1 -0.1 1.0 | 125 13 -10.3 7.2 60 22 24994 45 17 -12.0 -12.0 | 75 23 -22.2 -5.8 61 21 25298 35 13 -7.5 -10.6 | 76 18 -17.6 -4.4 62 19 25603 10 13 -2.3 -12.8 | 62 14 -12.4 -6.6 63 18 25908 20 13 -4.4 -12.2 | 68 16 -14.6 -6.0 64 14 26822 320 7 4.5 -5.4 | 99 6 -5.7 0.9 Wind Parameters Mean winds (0-6000m): 271.5 at 15.9 knts Storm direction: 301.5 at 11.9 knts Shear (0-3000m) pos: 2.2 neg: 5.6 tot: 7.8 10-3/s Storm rel Dir Shear (0-3000m): 97.7 deg Storm rel helicity (0-3000m) pos: 81.1 neg: -117.1 tot: -36.1 m^2/s^2 ave: -12.0 10^-3 m/s^2 rel: 0.03 Storm rel vorticity (0-3000m) horiz: 11.9 stream: 0.4 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 0.46 Bulk Shear: 98.11 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 38 15 75 20| 0.0 16.7 16.7| 0.0-101.9-101.9 -203.8 -0.78| 24.8-19.4 1000 35 14 74 19| 6.6 8.3 15.0| 59.0-101.9 -42.9 -42.9 -0.17| 19.6 -3.3 1500 42 12 81 19| 4.4 7.4 11.8| 62.8-109.1 -46.2 -30.8 -0.15| 16.0 -2.5 2000 35 11 81 17| 3.3 6.8 10.2| 66.8-117.1 -50.4 -25.2 -0.16| 14.1 -2.2 2500 24 10 77 15| 2.7 6.1 8.7| 76.7-117.1 -40.4 -16.2 -0.01| 13.0 -0.2 3000 4 11 68 12| 2.2 5.6 7.8| 81.1-117.1 -36.1 -12.0 0.03| 11.9 0.4 4000 316 12 39 3| 1.2 4.2 5.4| 91.0-118.3 -27.2 -6.8 0.08| 9.8 0.7 5000 283 14 226 5| 0.9 3.7 4.6|106.7-136.6 -29.9 -6.0 0.04| 9.6 0.4 6000 271 16 225 8| 0.3 3.0 3.3|133.9-143.3 -9.4 -1.6 0.08| 8.6 0.7 Wrote GIF file: /home/apache/climate/data/raob//SBFI/skewt/SBFI.skewt.20250505.12.gif