UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025102800.upa.cvt Date: 0000Z 28 OCT 25 Searching for SBFI... Searching the city database file for: SBFI ... Date:0000Z 28 OCT 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 111 SFC 986 243 23.8 20.0 79 3.8 21.1 90 1 298.1 300.9 294.8 342.0 15.09 2 980 296 27.2 19.2 62 8.0 21.6 17 1 302.1 304.7 295.4 344.7 14.43 3 925 798 23.0 17.0 69 6.0 18.9 35 1 302.8 305.3 294.8 342.2 13.29 4 850 1529 16.8 15.5 92 1.3 16.0 95 6 303.7 306.2 295.0 342.8 13.14 5 812 1918 13.8 13.0 95 0.8 13.3 73 7 304.6 306.7 294.1 339.4 11.67 6 724 2876 7.4 6.8 96 0.6 7.1 119 6 307.7 309.3 292.7 333.8 8.60 7 700 3154 6.6 1.6 70 5.0 3.9 145 4 309.8 311.0 291.4 328.8 6.15 8 691 3260 6.4 -1.6 57 8.0 2.3 168 4 310.7 311.7 290.6 326.1 4.93 9 686 3320 5.6 2.5 80 3.1 3.9 181 3 310.5 311.7 292.0 331.2 6.70 10 675 3452 5.4 1.7 77 3.7 3.4 210 3 311.7 312.9 292.2 331.7 6.42 11 669 3525 5.6 -3.4 52 9.0 1.1 226 3 312.7 313.6 290.8 326.8 4.45 12 649 3772 3.8 -6.2 48 10.0 -0.9 279 2 313.4 314.1 290.3 325.2 3.71 13 575 4744 -3.3 -4.7 90 1.4 -4.0 287 11 316.1 317.0 292.0 331.1 4.70 14 536 5298 -5.1 -20.1 30 15.0 -10.0 309 15 320.4 320.7 290.4 325.3 1.44 15 500 5840 -9.5 -22.5 34 13.0 -13.3 310 18 321.5 321.7 290.5 325.8 1.26 16 482 6122 -11.7 -23.7 36 12.0 -15.0 299 20 322.1 322.4 290.6 326.2 1.17 17 470 6315 -12.7 -21.7 47 9.0 -15.3 295 23 323.2 323.5 291.2 328.2 1.43 18 454 6579 -13.3 -41.3 8 28.0 -18.1 288 26 325.7 325.7 290.7 326.6 0.23 19 434 6920 -15.9 -26.9 38 11.0 -18.6 281 27 326.6 326.8 291.7 330.1 0.97 20 427 7042 -16.1 -54.1 2 38.0 -20.6 279 27 327.9 327.9 291.2 328.1 0.06 21 402 7493 -19.9 -45.9 8 26.0 -23.3 271 25 328.7 328.7 291.5 329.3 0.16 22 400 7530 -20.3 -37.3 20 17.0 -23.1 270 25 328.6 328.7 291.7 330.1 0.39 23 392 7679 -21.5 -29.5 48 8.0 -23.2 270 26 328.9 329.1 292.3 332.0 0.85 24 378 7945 -23.7 -33.7 39 10.0 -25.5 270 27 329.5 329.6 292.2 331.6 0.59 25 371 8082 -24.3 -49.3 8 25.0 -27.0 270 27 330.4 330.5 292.0 330.9 0.12 26 353 8442 -27.1 -46.1 15 19.0 -29.2 269 29 331.4 331.4 292.3 332.1 0.17 27 350 8503 -27.9 -35.9 46 8.0 -29.1 269 30 331.1 331.2 292.5 333.0 0.51 28 346 8585 -28.3 -42.3 25 14.0 -30.0 269 31 331.7 331.7 292.4 332.7 0.27 29 340 8710 -29.3 -41.3 30 12.0 -30.7 268 31 332.0 332.0 292.6 333.1 0.30 30 327 8987 -31.9 -36.9 61 5.0 -32.6 267 33 332.1 332.2 292.8 334.0 0.49 31 323 9074 -32.3 -34.6 80 2.3 -32.6 267 34 332.7 332.9 293.1 335.1 0.63 32 300 9590 -35.9 -42.9 49 7.0 -36.6 275 48 334.8 334.8 293.3 335.9 0.29 33 293 9753 -37.1 -50.1 25 13.0 -38.0 274 51 335.3 335.4 293.3 335.9 0.13 34 271 10287 -41.3 -58.3 14 17.0 -42.1 272 60 336.8 336.8 293.6 337.0 0.05 35 262 10516 -43.1 -54.1 29 11.0 -43.6 271 64 337.4 337.5 293.8 337.8 0.09 36 259 10593 -43.3 -45.1 82 1.8 -43.5 271 65 338.3 338.3 294.1 339.3 0.26 37 250 10830 -44.9 -48.5 67 3.6 -45.1 270 69 339.3 339.4 294.3 340.1 0.19 38 243 11020 -46.5 -49.8 69 3.3 -46.7 271 71 339.7 339.7 294.4 340.4 0.17 39 240 11103 -47.1 -62.1 16 15.0 -47.6 272 72 340.0 340.0 294.4 340.1 0.04 40 205 12132 -55.3 -66.3 24 11.0 -55.5 279 83 342.8 342.8 295.0 342.9 0.03 41 200 12290 -56.5 -67.5 24 11.0 -56.7 280 85 343.3 343.3 295.1 343.4 0.02 42 177 13054 -61.6 -70.3 31 8.7 -61.7 280 99 347.1 347.1 296.0 347.1 0.02 43 171 13266 -63.1 -71.1 33 8.0 -63.2 280 99 348.1 348.1 296.2 348.2 0.02 44 150 14060 -68.1 -77.1 26 9.0 -68.2 280 95 352.8 352.8 297.3 352.8 0.01 45 142 14387 -69.5 -78.5 26 9.0 -69.5 275 92 355.9 355.9 297.9 355.9 0.01 46 115 15653 -65.9 -83.9 6 18.0 -66.0 275 57 384.7 384.7 303.0 384.7 0.00 47 101 16431 -70.3 -85.3 9 15.0 -70.4 289 30 390.8 390.8 303.9 390.8 0.00 48 100 16490 -70.7 -85.7 9 15.0 -70.8 300 31 391.1 391.1 303.9 391.1 0.00 49 88 17244 -74.5 -86.5 14 12.0 -74.5 312 39 398.1 398.1 304.9 398.1 0.00 50 84 17515 -75.1 -87.1 14 12.0 -75.2 308 46 402.2 402.2 305.5 402.2 0.00 51 70 18600 -66.1 -87.1 4 21.0 -66.3 280 29 443.0 443.0 310.2 443.0 0.00 52 68 18777 -62.7 -86.7 3 24.0 -63.0 289 30 454.0 454.0 311.3 454.0 0.00 53 63 19243 -64.7 -86.7 3 22.0 -65.0 287 32 459.6 459.6 311.7 459.6 0.00 54 53 20302 -61.9 -86.9 2 25.0 -62.3 280 20 489.4 489.4 314.2 489.4 0.00 55 50 20660 -63.5 -87.5 2 24.0 -63.8 265 24 493.8 493.8 314.5 493.9 0.00 56 49 20785 -63.5 -87.5 2 24.0 -63.9 275 21 496.7 496.7 314.7 496.7 0.00 57 41 21898 -58.1 -85.1 2 27.0 -59.0 275 2 536.1 536.1 317.3 536.2 0.01 58 36 22715 -60.7 -85.7 2 25.0 -61.4 277 6 549.7 549.7 318.1 549.8 0.01 59 30 23860 -58.3 -85.3 2 27.0 -59.4 290 8 585.7 585.7 319.9 585.8 0.01 60 27 24526 -56.3 -84.3 2 28.0 -57.8 273 12 609.2 609.2 321.0 609.3 0.01 TRP 142 14387 -69.5 -78.5 26 9.0 -69.5 275 92 355.9 355.9 297.9 355.9 0.01 WND 177 13054 -61.6 -70.3 31 8.7 -61.7 280 99 347.1 347.1 296.0 347.1 0.02 Sounding variables and indices 1000-500 mb thick: 5729.00 m Freezing level: 609.39 mb = 4292.17 m = 14081.75 ft Wetbulb zero: 657.63 mb = 3664.73 m = 12023.25 ft Precipitable water: 1.68 inches Sfc-500 mean rel hum: 71.42 % Est. max temperature: 29.67 C = 85.41 F Sfc-Lift cond lev (LCL): 932.84 mb = 724.62 m = 2377.33 ft T: 23.61 C 700-500 lapse rate: 5.99 C/km ThetaE index: 16.71 C Layer 812.0- 686.0 mb Conv cond level (CCL): 838.42 mb = 1645.53 m = 5398.65 ft Mean mixing ratio: 13.67 g/kg Conv temperature: 29.62 C = 85.32 F Cap Strength: 1.06 C Lifted Index: -3.95 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -3.61 C Lifted Index @700 mb: -1.97 C Showalter Index: -3.84 C Risk: Severe thunderstorms possible Total Totals Index: 51.30 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 26.30 C Cross Totals Index: 25.00 C K Index: 36.80 Risk: > 80 % chance of thunderstorms Sweat Index: 262.00 Risk: None Energy Index: -3.39 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 1124.69 J/kg Max Up Vert Vel: 47.43 m/s Conv Inhibition (B-): 19.88 J/kg Cap Strength: 1.06 C Lift Cond Lev (LCL): 855.83 mb = 1469.91 m = 4822.47 ft Lev Free Conv (LFC): 820.83 mb = 1825.70 m = 5989.75 ft Equ Level (EL): 200.83 mb = 12263.54 m = 40234.21 ft B at Equ Level: 1118.74 J/kg Max Parcel Lev (MPL): 120.83 mb = 15356.20 m = 50380.62 ft Wind level data Storm motion: 353 at 6 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 90 1 -1.0 0.0 | 164 6 -1.7 5.9 1 979 305 5 1 -0.1 -1.0 | 171 5 -0.8 4.9 2 945 610 60 2 -1.7 -1.0 | 154 5 -2.4 4.9 3 925 798 35 1 -0.6 -0.8 | 166 5 -1.2 5.0 4 913 914 30 1 -0.5 -0.9 | 167 5 -1.2 5.0 5 850 1529 95 6 -6.0 0.5 | 134 9 -6.6 6.4 6 791 2134 60 7 -6.1 -3.5 | 109 7 -6.7 2.4 7 762 2438 80 9 -8.9 -1.6 | 114 10 -9.5 4.3 8 700 3154 145 4 -2.3 3.3 | 162 10 -3.0 9.1 9 633 3962 325 1 0.6 -0.8 | 179 5 -0.1 5.0 10 609 4267 290 6 5.6 -2.1 | 233 6 5.0 3.8 11 586 4572 270 11 11.0 -0.0 | 240 12 10.3 5.9 12 564 4877 305 12 9.8 -6.9 | 276 9 9.2 -1.0 13 503 5791 315 19 13.4 -13.4 | 301 15 12.8 -7.6 14 500 5840 310 18 13.8 -11.6 | 294 14 13.1 -5.7 15 483 6096 300 20 17.3 -10.0 | 284 17 16.7 -4.1 16 446 6706 285 28 27.0 -7.2 | 273 26 26.4 -1.4 17 400 7530 270 25 25.0 -0.0 | 256 25 24.3 5.9 18 363 8230 270 28 28.0 -0.0 | 258 28 27.3 5.9 19 306 9449 265 37 36.9 3.2 | 256 37 36.2 9.1 20 300 9590 275 48 47.8 -4.2 | 268 47 47.1 1.7 21 250 10830 270 69 69.0 -0.0 | 265 69 68.3 5.9 22 200 12290 280 85 83.7 -14.8 | 276 84 83.0 -8.9 23 177 13054 280 99 97.5 -17.2 | 277 97 96.8 -11.3 24 167 13411 280 99 97.5 -17.2 | 277 97 96.8 -11.3 25 150 14060 280 95 93.6 -16.5 | 277 93 92.9 -10.6 26 142 14387 275 92 91.6 -8.0 | 271 91 91.0 -2.2 27 130 14935 275 87 86.7 -7.6 | 271 86 86.0 -1.7 28 123 15240 265 73 72.7 6.4 | 260 73 72.1 12.2 29 111 15850 280 49 48.3 -8.5 | 273 48 47.6 -2.7 30 106 16154 275 38 37.9 -3.3 | 266 37 37.2 2.5 31 101 16459 290 29 27.3 -9.9 | 279 27 26.6 -4.1 32 100 16490 300 31 26.8 -15.5 | 290 28 26.2 -9.6 33 95 16764 300 31 26.8 -15.5 | 290 28 26.2 -9.6 34 86 17374 315 41 29.0 -29.0 | 309 37 28.3 -23.1 35 82 17678 300 51 44.2 -25.5 | 294 48 43.5 -19.6 36 70 18593 260 38 37.4 6.6 | 251 39 36.8 12.5 37 70 18600 280 29 28.6 -5.0 | 268 28 27.9 0.8 38 67 18898 295 31 28.1 -13.1 | 285 28 27.4 -7.2 39 63 19202 290 32 30.1 -10.9 | 280 30 29.4 -5.1 40 57 19812 250 28 26.3 9.6 | 239 30 25.6 15.4 41 55 20117 295 25 22.7 -10.6 | 282 22 22.0 -4.7 42 52 20422 270 17 17.0 -0.0 | 250 17 16.3 5.9 43 50 20660 265 24 23.9 2.1 | 251 25 23.2 7.9 44 49 20726 280 21 20.7 -3.6 | 264 20 20.0 2.2 45 47 21031 255 23 22.2 6.0 | 241 25 21.5 11.8 46 45 21336 245 18 16.3 7.6 | 229 21 15.6 13.5 47 43 21641 215 11 6.3 9.0 | 201 16 5.6 14.9 48 41 21946 285 1 1.0 -0.3 | 183 6 0.3 5.6 49 32 23470 270 11 11.0 -0.0 | 240 12 10.3 5.9 50 30 23774 220 12 7.7 9.2 | 205 17 7.0 15.0 51 30 23860 290 8 7.5 -2.7 | 246 8 6.8 3.1 52 28 24079 220 13 8.4 10.0 | 206 18 7.7 15.8 53 26 24384 295 11 10.0 -4.6 | 263 9 9.3 1.2 54 25 24689 295 16 14.5 -6.8 | 274 14 13.8 -0.9 Wind Parameters Mean winds (0-6000m): 323.5 at 7.9 knts Storm direction: 353.5 at 5.9 knts Shear (0-3000m) pos: 1.2 neg: 0.5 tot: 1.7 10-3/s Storm rel Dir Shear (0-3000m): 6.1 deg Storm rel helicity (0-3000m) pos: 31.8 neg: -13.4 tot: 18.5 m^2/s^2 ave: 6.2 10^-3 m/s^2 rel: 0.17 Storm rel vorticity (0-3000m) horiz: 4.7 stream: 0.8 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 139.57 Bulk Shear: 8.06 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 46 1 160 5| 0.0 1.0 1.0| 1.6 -1.5 0.1 0.1 -0.01| 3.4 -0.0 1000 50 2 158 5| 1.3 0.5 1.8| 2.0 -5.0 -3.0 -3.0 -0.34| 3.5 -1.2 1500 79 3 146 6| 1.9 0.3 2.2| 2.3 -8.6 -6.3 -4.2 -0.34| 3.9 -1.3 2000 74 4 137 7| 1.4 0.8 2.2| 2.5 -13.4 -10.9 -5.4 -0.40| 3.9 -1.6 2500 78 5 132 7| 1.5 0.7 2.1| 16.4 -13.4 3.1 1.2 -0.05| 4.5 -0.2 3000 83 5 134 8| 1.2 0.5 1.7| 31.8 -13.4 18.5 6.2 0.17| 4.7 0.8 4000 85 4 138 7| 0.9 0.4 1.3| 44.6 -15.0 29.5 7.4 0.28| 5.1 1.4 5000 21 6 102 3| 0.9 0.7 1.6| 70.4 -15.0 55.4 11.1 0.38| 5.7 2.1 6000 323 8 277 4| 1.1 1.0 2.0| 79.6 -35.6 44.0 7.3 0.28| 5.7 1.6 Wrote GIF file: /home/apache/climate/data/raob//SBFI/skewt/SBFI.skewt.20251028.00.gif