UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025122812.upa.cvt Date: 1200Z 28 DEC 25 Searching for SBFI... Searching the city database file for: SBFI ... Date:1200Z 28 DEC 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 105 SFC 985 243 26.4 22.7 80 3.7 23.7 10 2 300.8 304.1 297.4 353.5 17.91 2 967 404 24.6 20.9 80 3.7 21.9 20 8 300.6 303.6 296.3 348.4 16.30 3 942 633 26.4 16.4 54 10.0 19.5 19 9 304.7 307.0 294.8 342.2 12.55 4 925 792 25.2 18.2 65 7.0 20.3 10 12 305.1 307.7 296.2 348.0 14.36 5 850 1532 20.2 16.2 78 4.0 17.4 325 14 307.3 309.9 296.4 348.8 13.76 6 808 1968 16.6 14.5 87 2.1 15.2 318 13 308.0 310.4 296.0 347.1 12.96 7 733 2794 12.6 6.6 67 6.0 8.9 315 18 312.3 313.9 293.9 338.2 8.37 8 700 3180 9.6 3.6 66 6.0 6.1 320 18 313.1 314.5 293.1 335.3 7.10 9 684 3371 8.6 1.6 61 7.0 4.7 316 19 314.1 315.3 292.7 333.8 6.29 10 663 3628 6.4 3.9 84 2.5 4.9 327 18 314.4 315.9 293.9 338.4 7.66 11 652 3765 6.2 1.3 71 4.9 3.5 332 17 315.7 316.9 293.3 336.1 6.46 12 595 4508 0.6 0.1 96 0.5 0.3 346 14 317.6 318.8 293.9 338.2 6.49 13 552 5108 -1.5 -8.5 59 7.0 -4.7 355 15 322.0 322.7 292.8 334.0 3.65 14 528 5461 -3.7 -8.4 70 4.7 -5.8 356 13 323.4 324.2 293.4 336.2 3.84 15 519 5596 -3.7 -17.7 33 14.0 -8.8 341 12 325.0 325.4 292.1 331.3 1.83 16 510 5734 -4.7 -6.8 85 2.1 -5.7 323 11 325.5 326.4 294.4 340.4 4.51 17 500 5890 -5.7 -7.5 87 1.8 -6.5 320 21 326.1 327.0 294.4 340.6 4.36 18 498 5921 -5.9 -7.6 88 1.7 -6.7 320 21 326.2 327.1 294.5 340.7 4.34 19 473 6323 -7.7 -10.8 78 3.1 -9.1 325 19 328.8 329.5 294.5 340.9 3.55 20 457 6591 -8.7 -22.7 31 14.0 -13.1 332 16 330.8 331.1 293.2 335.6 1.35 21 450 6710 -9.5 -23.5 31 14.0 -13.7 335 15 331.3 331.5 293.3 335.9 1.28 22 442 6848 -10.7 -15.2 69 4.5 -12.4 328 17 331.5 332.0 294.5 340.7 2.66 23 435 6971 -11.1 -25.1 30 14.0 -15.2 322 19 332.5 332.7 293.5 336.6 1.14 24 400 7610 -15.3 -22.3 55 7.0 -17.4 325 20 335.1 335.4 294.5 340.8 1.60 25 398 7648 -15.7 -22.7 55 7.0 -17.8 324 20 335.1 335.4 294.5 340.6 1.55 26 395 7705 -16.1 -28.1 35 12.0 -19.1 322 20 335.3 335.5 294.0 338.8 0.96 27 388 7839 -17.3 -23.3 60 6.0 -19.0 318 21 335.4 335.7 294.5 340.9 1.51 28 385 7897 -17.7 -26.7 45 9.0 -20.0 316 21 335.6 335.9 294.3 339.7 1.12 29 374 8114 -18.7 -18.7 100 0.0 -18.7 321 21 337.1 337.6 295.6 345.4 2.34 30 345 8710 -23.5 -23.5 100 0.0 -23.5 325 19 338.5 338.8 295.4 344.5 1.67 31 341 8795 -24.1 -31.1 52 7.0 -25.5 325 18 338.8 339.0 294.8 341.9 0.84 32 338 8859 -23.9 -32.9 43 9.0 -25.6 325 18 339.9 340.1 295.0 342.6 0.71 33 323 9190 -25.9 -35.9 39 10.0 -27.6 325 17 341.6 341.7 295.2 343.7 0.55 34 300 9720 -30.1 -37.1 50 7.0 -31.2 325 14 343.0 343.1 295.5 345.0 0.53 35 294 9863 -31.1 -42.1 33 11.0 -32.4 332 14 343.5 343.6 295.4 344.8 0.32 36 263 10642 -36.9 -40.8 67 3.9 -37.4 329 21 346.2 346.2 296.1 347.8 0.41 37 250 10990 -40.1 -43.8 68 3.7 -40.4 325 26 346.4 346.5 296.1 347.7 0.31 38 200 12480 -53.1 -57.8 57 4.7 -53.2 355 26 348.7 348.7 296.4 349.0 0.08 39 192 12740 -55.5 -60.5 54 5.0 -55.6 352 24 348.9 348.9 296.4 349.2 0.06 40 178 13217 -59.1 -65.1 46 6.0 -59.2 352 21 350.7 350.7 296.8 350.8 0.03 41 163 13762 -62.7 -66.3 62 3.6 -62.7 2 15 353.6 353.6 297.4 353.7 0.03 42 159 13915 -62.7 -77.7 12 15.0 -62.8 9 15 356.1 356.1 297.9 356.1 0.01 43 158 13953 -63.1 -79.1 10 16.0 -63.2 11 14 356.0 356.0 297.9 356.1 0.00 44 150 14270 -65.7 -77.7 17 12.0 -65.8 25 16 356.9 356.9 298.1 356.9 0.01 45 107 16269 -76.1 -82.1 38 6.0 -76.1 2 8 373.4 373.4 301.2 373.4 0.00 46 101 16602 -75.1 -84.1 23 9.0 -75.2 73 2 381.5 381.5 302.5 381.6 0.00 47 100 16660 -75.3 -85.3 19 10.0 -75.3 85 1 382.2 382.2 302.6 382.3 0.00 48 87 17466 -75.3 -87.3 14 12.0 -75.3 115 9 397.8 397.8 304.9 397.8 0.00 49 73 18465 -81.9 -89.9 24 8.0 -81.9 110 18 404.3 404.3 305.7 404.3 0.00 50 70 18700 -81.1 -90.1 20 9.0 -81.1 105 16 410.9 410.9 306.6 410.9 0.00 51 54 20189 -73.3 -88.3 8 15.0 -73.4 80 23 460.5 460.5 311.8 460.5 0.00 52 50 20640 -73.3 -89.3 7 16.0 -73.4 80 23 470.8 470.8 312.7 470.8 0.00 53 45 21267 -67.1 -89.1 3 22.0 -67.4 117 18 500.2 500.2 314.9 500.2 0.00 54 42 21682 -68.9 -88.9 4 20.0 -69.1 140 15 505.7 505.7 315.4 505.7 0.00 55 39 22125 -68.9 -89.9 3 21.0 -69.1 122 16 516.6 516.6 316.1 516.6 0.00 56 34 22967 -58.7 -86.7 2 28.0 -59.6 137 19 564.1 564.1 318.9 564.1 0.01 57 30 23760 -55.1 -85.1 1 30.0 -56.6 70 22 594.4 594.4 320.3 594.5 0.01 58 28 24202 -53.9 -83.9 1 30.0 -55.8 61 18 609.6 609.6 321.0 609.7 0.01 59 27 24435 -54.7 -84.7 1 30.0 -56.5 56 16 613.7 613.7 321.2 613.8 0.01 TRP 73 18465 -81.9 -89.9 24 8.0 -81.9 110 18 404.3 404.3 305.7 404.3 0.00 WND Sounding variables and indices 1000-500 mb thick: 5785.00 m Freezing level: 582.71 mb = 4679.12 m = 15351.26 ft Wetbulb zero: 592.30 mb = 4544.05 m = 14908.13 ft Precipitable water: 2.00 inches Sfc-500 mean rel hum: 73.91 % Est. max temperature: 33.07 C = 91.52 F Sfc-Lift cond lev (LCL): 933.66 mb = 710.56 m = 2331.22 ft T: 25.81 C 700-500 lapse rate: 5.65 C/km ThetaE index: 14.94 C Layer 808.0- 663.0 mb Conv cond level (CCL): 800.38 mb = 2048.08 m = 6719.34 ft Mean mixing ratio: 14.63 g/kg Conv temperature: 33.91 C = 93.04 F Cap Strength: 3.14 C Lifted Index: -1.85 C Risk: Thunderstorms probable Lifted Index @300 mb: -0.35 C Lifted Index @700 mb: -0.32 C Showalter Index: -2.32 C Risk: Severe thunderstorms possible Total Totals Index: 47.80 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 25.90 C Cross Totals Index: 21.90 C K Index: 36.10 Risk: > 80 % chance of thunderstorms Sweat Index: 243.40 Risk: None Energy Index: -1.69 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 355.36 J/kg Max Up Vert Vel: 26.66 m/s Conv Inhibition (B-): 126.26 J/kg Cap Strength: 3.14 C Lift Cond Lev (LCL): 852.40 mb = 1507.29 m = 4945.11 ft Lev Free Conv (LFC): 707.40 mb = 3091.87 m = 10143.80 ft Equ Level (EL): 277.40 mb = 10269.46 m = 33692.05 ft B at Equ Level: 353.32 J/kg Max Parcel Lev (MPL): 147.40 mb = 14373.32 m = 47155.98 ft Wind level data Storm motion: 3 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 ---------------------------------------------------------- 0 985 243 10 2 -0.3 -2.0 | 182 10 0.3 9.5 1 978 305 20 8 -2.7 -7.5 | 152 4 -2.1 3.9 2 945 610 20 9 -3.1 -8.5 | 141 4 -2.5 3.0 3 925 792 10 12 -2.1 -11.8 | 77 2 -1.5 -0.4 4 912 914 355 16 1.4 -15.9 | 336 5 2.0 -4.5 5 881 1219 345 20 5.2 -19.3 | 324 10 5.8 -7.9 6 851 1524 325 14 8.0 -11.5 | 270 9 8.6 -0.0 7 850 1532 325 14 8.0 -11.5 | 270 9 8.6 -0.0 8 792 2134 315 12 8.5 -8.5 | 252 10 9.1 3.0 9 764 2438 310 18 13.8 -11.6 | 270 14 14.4 -0.1 10 700 3180 320 18 11.6 -13.8 | 281 12 12.2 -2.3 11 685 3353 315 19 13.4 -13.4 | 278 14 14.1 -2.0 12 612 4267 355 14 1.2 -13.9 | 323 3 1.8 -2.5 13 567 4877 330 14 7.0 -12.1 | 275 8 7.6 -0.7 14 546 5182 5 16 -1.4 -15.9 | 10 5 -0.8 -4.5 15 526 5486 355 13 1.1 -13.0 | 310 2 1.8 -1.5 16 506 5791 315 11 7.8 -7.8 | 246 9 8.4 3.7 17 500 5890 320 21 13.5 -16.1 | 288 15 14.1 -4.6 18 487 6096 320 22 14.1 -16.9 | 290 16 14.8 -5.4 19 450 6706 335 15 6.3 -13.6 | 287 7 7.0 -2.1 20 432 7010 320 20 12.9 -15.3 | 286 14 13.5 -3.9 21 416 7315 335 17 7.2 -15.4 | 297 9 7.8 -3.9 22 400 7610 325 20 11.5 -16.4 | 292 13 12.1 -4.9 23 383 7925 315 21 14.8 -14.8 | 282 16 15.5 -3.4 24 368 8230 325 21 12.0 -17.2 | 294 14 12.7 -5.7 25 300 9720 325 14 8.0 -11.5 | 270 9 8.6 -0.0 26 299 9754 325 14 8.0 -11.5 | 270 9 8.6 -0.0 27 286 10058 345 15 3.9 -14.5 | 304 5 4.5 -3.0 28 251 10973 320 24 15.4 -18.4 | 293 17 16.0 -6.9 29 250 10990 325 26 14.9 -21.3 | 302 18 15.5 -9.8 30 239 11278 330 28 14.0 -24.2 | 311 19 14.6 -12.8 31 229 11582 320 20 12.9 -15.3 | 286 14 13.5 -3.9 32 200 12480 355 26 2.3 -25.9 | 349 15 2.9 -14.4 33 199 12497 350 25 4.3 -24.6 | 339 14 5.0 -13.2 34 181 13106 355 23 2.0 -22.9 | 347 12 2.6 -11.4 35 172 13411 345 17 4.4 -16.4 | 315 7 5.0 -5.0 36 156 14021 15 14 -3.6 -13.5 | 56 4 -3.0 -2.1 37 150 14270 25 16 -6.8 -14.5 | 64 7 -6.1 -3.0 38 149 14326 40 10 -6.4 -7.7 | 123 7 -5.8 3.8 39 134 14935 360 21 -0.0 -21.0 | 356 10 0.6 -9.5 40 127 15240 5 21 -1.8 -20.9 | 7 10 -1.2 -9.5 41 121 15545 345 20 5.2 -19.3 | 324 10 5.8 -7.9 42 115 15850 330 10 5.0 -8.7 | 243 6 5.6 2.8 43 109 16154 340 10 3.4 -9.4 | 243 5 4.0 2.1 44 100 16660 85 1 -1.0 -0.1 | 178 11 -0.4 11.4 45 98 16764 85 1 -1.0 -0.1 | 178 11 -0.4 11.4 46 75 18288 150 19 -9.5 16.5 | 162 29 -8.9 27.9 47 73 18465 110 18 -16.9 6.2 | 137 24 -16.3 17.6 48 70 18700 105 16 -15.5 4.1 | 136 22 -14.8 15.6 49 68 18898 105 20 -19.3 5.2 | 132 25 -18.7 16.6 50 64 19202 195 12 3.1 11.6 | 189 23 3.7 23.1 51 61 19507 180 14 0.0 14.0 | 181 25 0.6 25.5 52 58 19812 80 19 -18.7 -3.3 | 114 20 -18.1 8.2 53 55 20117 60 25 -21.7 -12.5 | 87 21 -21.0 -1.0 54 52 20422 135 16 -11.3 11.3 | 155 25 -10.7 22.8 55 50 20640 80 23 -22.7 -4.0 | 109 23 -22.0 7.5 56 49 20726 90 24 -24.0 0.0 | 116 26 -23.4 11.5 57 47 21031 80 23 -22.7 -4.0 | 109 23 -22.0 7.5 58 45 21336 125 17 -13.9 9.8 | 148 25 -13.3 21.2 59 40 21946 150 14 -7.0 12.1 | 165 24 -6.4 23.6 60 38 22250 110 17 -16.0 5.8 | 138 23 -15.4 17.3 61 35 22860 150 9 -4.5 7.8 | 169 20 -3.9 19.3 62 33 23165 120 32 -27.7 16.0 | 135 39 -27.1 27.5 63 31 23470 110 32 -30.1 10.9 | 127 37 -29.5 22.4 64 30 23760 70 22 -20.7 -7.5 | 101 20 -20.1 3.9 65 26 24384 50 14 -10.7 -9.0 | 104 10 -10.1 2.5 66 24 24689 80 16 -15.8 -2.8 | 120 17 -15.1 8.7 Wind Parameters Mean winds (0-6000m): 333.1 at 15.3 knts Storm direction: 3.1 at 11.5 knts Shear (0-3000m) pos: 2.2 neg: 2.2 tot: 4.4 10-3/s Storm rel Dir Shear (0-3000m): 98.2 deg Storm rel helicity (0-3000m) pos: 19.2 neg: -39.3 tot: -20.1 m^2/s^2 ave: -6.7 10^-3 m/s^2 rel: -0.44 Storm rel vorticity (0-3000m) horiz: 7.2 stream: -3.2 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 21.62 Bulk Shear: 16.44 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 19 8 149 4| 9.5 0.0 9.5| 0.0 -7.6 -7.6 -15.2 -0.63| 10.1 -6.3 1000 2 12 347 1| 4.7 5.8 10.5| 0.0 -14.7 -14.7 -14.7 -0.63| 11.3 -7.1 1500 350 13 301 3| 3.2 3.7 6.8| 0.0 -34.8 -34.8 -23.2 -0.73| 10.6 -7.8 2000 342 13 284 5| 2.4 3.3 5.7| 4.0 -38.9 -35.0 -17.5 -0.66| 8.9 -5.9 2500 334 14 280 7| 2.4 2.6 5.1| 14.6 -38.9 -24.3 -9.7 -0.49| 8.2 -4.1 3000 330 15 280 8| 2.2 2.2 4.4| 19.2 -39.3 -20.1 -6.7 -0.44| 7.2 -3.2 4000 330 15 282 8| 2.2 1.7 3.9| 32.5 -40.7 -8.2 -2.0 -0.24| 7.1 -1.7 5000 333 15 285 8| 2.4 1.8 4.2| 42.7 -45.6 -2.8 -0.6 -0.13| 7.2 -0.9 6000 333 15 286 8| 2.3 2.3 4.6| 67.1 -53.2 14.0 2.3 -0.09| 7.9 -0.7 Wrote GIF file: /home/apache/climate/data/raob//SBFI/skewt/SBFI.skewt.20251228.12.gif