UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120900.upa.cvt Date: 0000Z 9 DEC 25 Searching for SBFI... Searching the city database file for: SBFI ... Date:0000Z 9 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 48 SFC 979 243 20.8 20.0 95 0.8 20.2 60 10 295.7 298.5 294.2 339.4 15.20 2 941 581 22.4 18.3 78 4.1 19.5 32 26 300.7 303.3 294.9 342.4 14.20 3 925 727 21.4 18.4 83 3.0 19.3 25 27 301.2 303.9 295.3 344.0 14.55 4 884 1121 21.0 16.5 75 4.5 17.9 28 17 304.7 307.2 295.5 344.9 13.48 5 850 1460 18.4 15.6 84 2.8 16.5 20 17 305.4 307.9 295.5 345.0 13.23 6 826 1705 16.6 14.9 90 1.7 15.5 17 15 306.0 308.5 295.6 345.1 13.01 7 741 2626 12.6 8.6 77 4.0 10.1 311 12 311.3 313.1 294.4 340.6 9.51 8 700 3102 9.0 7.1 88 1.9 7.8 305 21 312.5 314.2 294.4 340.5 9.08 9 616 4153 2.4 2.4 100 0.0 2.4 304 23 316.5 317.9 294.3 339.9 7.41 10 500 5820 -6.3 -7.1 94 0.8 -6.7 305 34 325.4 326.2 294.4 340.3 4.49 11 478 6170 -8.9 -8.9 100 0.0 -8.9 297 36 326.4 327.2 294.3 340.0 4.09 12 471 6285 -7.3 -10.7 77 3.4 -8.8 301 35 329.7 330.4 294.8 341.9 3.59 13 400 7540 -15.1 -21.1 60 6.0 -17.0 300 45 335.4 335.7 294.7 341.7 1.78 14 399 7559 -15.3 -22.3 55 7.0 -17.4 300 45 335.3 335.7 294.6 341.1 1.60 15 358 8364 -22.5 -27.4 64 4.9 -23.7 294 38 336.2 336.5 294.4 340.4 1.13 16 335 8847 -24.7 -48.7 9 24.0 -27.5 310 34 339.7 339.7 294.4 340.2 0.14 17 327 9022 -25.7 -39.7 26 14.0 -27.8 309 37 340.7 340.7 294.8 342.1 0.37 18 304 9546 -29.3 -53.3 8 24.0 -31.4 306 47 342.8 342.8 295.1 343.2 0.09 19 301 9616 -28.9 -60.9 3 32.0 -31.3 305 49 344.3 344.3 295.4 344.5 0.03 20 300 9640 -28.9 -61.9 3 33.0 -31.3 305 49 344.6 344.7 295.4 344.8 0.03 21 250 10920 -40.3 -69.3 3 29.0 -41.3 290 48 346.2 346.2 295.8 346.2 0.01 22 221 11742 -48.3 -71.3 5 23.0 -48.8 290 48 346.3 346.3 295.8 346.3 0.01 23 200 12390 -53.1 -74.1 6 21.0 -53.4 290 38 348.7 348.7 296.4 348.7 0.01 24 160 13797 -63.9 -78.9 11 15.0 -64.0 284 53 353.4 353.4 297.4 353.4 0.00 25 150 14190 -67.1 -78.1 20 11.0 -67.2 280 58 354.5 354.5 297.6 354.5 0.01 26 142 14520 -69.3 -80.3 19 11.0 -69.4 280 58 356.3 356.3 298.0 356.3 0.00 27 131 14997 -73.3 -80.5 33 7.1 -73.3 280 59 357.3 357.3 298.2 357.4 0.00 28 128 15132 -74.5 -80.5 39 6.0 -74.5 280 59 357.6 357.6 298.2 357.6 0.00 29 109 16057 -79.3 -87.3 26 8.0 -79.3 275 30 365.4 365.4 299.7 365.4 0.00 30 108 16111 -74.7 -84.7 20 10.0 -74.7 283 33 375.1 375.1 301.4 375.1 0.00 31 105 16275 -73.7 -85.7 14 12.0 -73.7 277 29 380.0 380.0 302.2 380.0 0.00 32 101 16502 -74.1 -88.1 10 14.0 -74.2 251 18 383.5 383.5 302.8 383.5 0.00 33 100 16560 -73.7 -88.7 8 15.0 -73.7 245 15 385.3 385.3 303.1 385.3 0.00 34 93 16986 -71.9 -88.9 6 17.0 -72.0 249 26 397.0 397.0 304.8 397.0 0.00 35 72 18477 -76.3 -89.3 11 13.0 -76.3 228 13 417.8 417.8 307.4 417.8 0.00 36 70 18640 -75.1 -88.1 11 13.0 -75.2 200 15 423.7 423.7 308.2 423.7 0.00 37 60 19544 -69.7 -90.7 3 21.0 -69.8 192 17 454.9 454.9 311.3 454.9 0.00 38 56 19953 -70.9 -89.9 4 19.0 -71.0 147 22 461.2 461.2 311.9 461.2 0.00 39 50 20630 -66.5 -90.5 2 24.0 -66.8 155 12 486.8 486.8 314.0 486.8 0.00 40 44 21411 -63.7 -89.7 2 26.0 -64.1 146 11 511.7 511.7 315.8 511.8 0.00 41 39 22148 -66.9 -90.9 2 24.0 -67.2 114 7 521.6 521.6 316.4 521.6 0.00 42 32 23373 -57.5 -88.5 1 31.0 -58.6 111 12 577.1 577.1 319.5 577.2 0.00 43 30 23780 -58.5 -88.5 1 30.0 -59.6 70 10 585.2 585.2 319.9 585.2 0.01 44 25 24935 -55.3 -86.3 1 31.0 -57.1 70 3 625.7 625.7 321.7 625.7 0.01 TRP 109 16057 -79.3 -87.3 26 8.0 -79.3 275 30 365.4 365.4 299.7 365.4 0.00 WND 131 14997 -73.3 -80.5 33 7.1 -73.3 280 59 357.3 357.3 298.2 357.4 0.00 Sounding variables and indices 1000-500 mb thick: 5772.00 m Freezing level: 584.00 mb = 4612.90 m = 15134.01 ft Wetbulb zero: 585.06 mb = 4564.73 m = 14975.96 ft Precipitable water: 2.07 inches Sfc-500 mean rel hum: 89.23 % Est. max temperature: 30.95 C = 87.72 F Sfc-Lift cond lev (LCL): 967.89 mb = 340.36 m = 1116.65 ft T: 21.26 C 700-500 lapse rate: 5.63 C/km ThetaE index: 5.19 C Layer 741.0- 500.0 mb Conv cond level (CCL): 816.37 mb = 1804.76 m = 5921.07 ft Mean mixing ratio: 14.30 g/kg Conv temperature: 31.60 C = 88.88 F Cap Strength: 3.58 C Lifted Index: -0.75 C Risk: Thunderstorms probable Lifted Index @300 mb: 3.37 C Lifted Index @700 mb: 0.43 C Showalter Index: -1.52 C Risk: Thunderstorms probable Total Totals Index: 46.60 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 24.70 C Cross Totals Index: 21.90 C K Index: 38.40 Risk: > 80 % chance of thunderstorms Sweat Index: 255.20 Risk: None Energy Index: -1.00 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 117.33 J/kg Max Up Vert Vel: 15.32 m/s Conv Inhibition (B-): 149.54 J/kg Cap Strength: 3.55 C Lift Cond Lev (LCL): 884.39 mb = 1117.18 m = 3665.26 ft Lev Free Conv (LFC): 669.39 mb = 3469.67 m = 11383.29 ft Equ Level (EL): 469.39 mb = 6311.39 m = 20706.41 ft B at Equ Level: 113.87 J/kg Max Parcel Lev (MPL): 309.39 mb = 9419.55 m = 30903.66 ft Wind level data Storm motion: 348 at 17 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 ---------------------------------------------------------- 0 979 243 60 10 -8.7 -5.0 | 134 17 -12.1 11.7 1 938 610 30 27 -13.5 -23.4 | 68 18 -16.9 -6.7 2 925 727 25 27 -11.4 -24.5 | 62 17 -14.8 -7.8 3 905 914 25 19 -8.0 -17.2 | 87 11 -11.4 -0.5 4 874 1219 30 16 -8.0 -13.9 | 104 12 -11.4 2.8 5 850 1460 20 17 -5.8 -16.0 | 94 9 -9.2 0.7 6 814 1829 15 14 -3.6 -13.5 | 114 8 -7.0 3.2 7 785 2134 335 9 3.8 -8.2 | 183 9 0.4 8.5 8 757 2438 320 10 6.4 -7.7 | 199 10 3.0 9.0 9 730 2743 305 14 11.5 -8.0 | 223 12 8.1 8.7 10 700 3102 305 21 17.2 -12.0 | 251 15 13.8 4.6 11 679 3353 300 26 22.5 -13.0 | 259 19 19.1 3.7 12 606 4267 305 23 18.8 -13.2 | 257 16 15.4 3.5 13 541 5182 295 31 28.1 -13.1 | 262 25 24.7 3.6 14 521 5486 310 35 26.8 -22.5 | 284 24 23.4 -5.8 15 500 5820 305 34 27.9 -19.5 | 277 25 24.5 -2.8 16 482 6096 295 36 32.6 -15.2 | 267 29 29.2 1.5 17 446 6706 315 32 22.6 -22.6 | 287 20 19.2 -5.9 18 400 7540 300 45 39.0 -22.5 | 279 36 35.6 -5.8 19 396 7620 300 45 39.0 -22.5 | 279 36 35.6 -5.8 20 364 8230 290 39 36.6 -13.3 | 264 33 33.3 3.3 21 335 8839 310 34 26.0 -21.9 | 283 23 22.6 -5.2 22 300 9640 305 49 40.1 -28.1 | 287 38 36.7 -11.4 23 283 10058 300 51 44.2 -25.5 | 282 42 40.8 -8.8 24 250 10920 290 48 45.1 -16.4 | 270 42 41.7 0.3 25 216 11887 290 48 45.1 -16.4 | 270 42 41.7 0.3 26 206 12192 275 44 43.8 -3.8 | 252 42 40.4 12.8 27 200 12390 290 38 35.7 -13.0 | 263 33 32.3 3.7 28 197 12497 290 37 34.8 -12.7 | 263 32 31.4 4.0 29 187 12802 295 41 37.2 -17.3 | 271 34 33.8 -0.6 30 150 14190 280 58 57.1 -10.1 | 263 54 53.7 6.6 31 131 14997 280 59 58.1 -10.2 | 263 55 54.7 6.4 32 126 15240 280 59 58.1 -10.2 | 263 55 54.7 6.4 33 119 15545 270 51 51.0 -0.0 | 251 50 47.6 16.7 34 109 16057 275 30 29.9 -2.6 | 242 30 26.5 14.1 35 107 16154 290 35 32.9 -12.0 | 261 30 29.5 4.7 36 100 16560 245 15 13.6 6.3 | 204 25 10.2 23.0 37 97 16764 245 15 13.6 6.3 | 204 25 10.2 23.0 38 92 17069 250 30 28.2 10.3 | 223 37 24.8 26.9 39 87 17374 265 24 23.9 2.1 | 228 28 20.5 18.8 40 83 17678 230 16 12.3 10.3 | 198 28 8.9 27.0 41 78 17983 235 12 9.8 6.9 | 195 24 6.4 23.6 42 74 18288 260 10 9.8 1.7 | 199 20 6.5 18.4 43 70 18640 200 15 5.1 14.1 | 183 31 1.7 30.8 44 67 18898 200 17 5.8 16.0 | 184 33 2.4 32.7 45 60 19507 200 16 5.5 15.0 | 184 32 2.1 31.7 46 57 19812 145 23 -13.2 18.8 | 155 39 -16.6 35.5 47 55 20117 150 20 -10.0 17.3 | 158 37 -13.4 34.0 48 52 20422 120 17 -14.7 8.5 | 144 31 -18.1 25.2 49 50 20630 155 12 -5.1 10.9 | 163 29 -8.5 27.6 50 49 20726 165 13 -3.4 12.6 | 167 30 -6.8 29.2 51 45 21336 150 12 -6.0 10.4 | 161 29 -9.4 27.1 52 38 22250 110 6 -5.6 2.1 | 154 21 -9.0 18.7 53 37 22555 130 11 -8.4 7.1 | 154 27 -11.8 23.8 54 35 22860 115 15 -13.6 6.3 | 144 29 -17.0 23.0 55 33 23165 120 10 -8.7 5.0 | 151 25 -12.1 21.7 56 30 23774 95 15 -14.9 1.3 | 134 26 -18.3 18.0 57 30 23780 70 10 -9.4 -3.4 | 136 18 -12.8 13.3 58 28 24079 75 12 -11.6 -3.1 | 132 20 -15.0 13.6 59 26 24384 70 2 -1.9 -0.7 | 162 17 -5.3 16.0 60 22 24994 70 7 -6.6 -2.4 | 145 17 -10.0 14.3 Wind Parameters Mean winds (0-6000m): 318.5 at 22.7 knts Storm direction: 348.5 at 17.0 knts Shear (0-3000m) pos: 1.8 neg: 5.3 tot: 7.1 10-3/s Storm rel Dir Shear (0-3000m): 122.5 deg Storm rel helicity (0-3000m) pos: 93.9 neg: -97.5 tot: -3.6 m^2/s^2 ave: -1.2 10^-3 m/s^2 rel: 0.18 Storm rel vorticity (0-3000m) horiz: 11.2 stream: 2.0 10^-3/s Energy-Hel index: 0.04 Bulk Rich Number: 1.24 Bulk Shear: 94.36 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 34 21 88 15| 0.0 19.6 19.6| 0.0 -93.5 -93.5 -187.0 -0.96| 22.6-21.6 1000 30 20 88 14| 5.3 9.8 15.1| 29.4 -93.5 -64.1 -64.1 -0.38| 16.7 -6.3 1500 28 19 91 12| 3.5 6.5 10.0| 34.0 -97.5 -63.5 -42.3 -0.31| 12.9 -4.0 2000 23 17 97 10| 2.7 4.2 6.9| 50.6 -97.5 -46.9 -23.5 -0.04| 12.5 -0.6 2500 15 16 101 7| 2.1 4.3 6.5| 66.1 -97.5 -31.3 -12.5 0.07| 11.4 0.8 3000 1 16 97 4| 1.8 5.3 7.1| 93.9 -97.5 -3.6 -1.2 0.18| 11.2 2.0 4000 338 18 277 3| 1.3 4.1 5.4| 97.6 -99.8 -2.1 -0.5 0.17| 9.1 1.5 5000 325 20 270 8| 1.0 4.2 5.2|116.4 -99.8 16.6 3.3 0.18| 8.4 1.5 6000 318 23 272 12| 0.4 3.6 4.0|173.1-142.8 30.3 5.1 0.17| 8.5 1.5 Wrote GIF file: /home/apache/climate/data/raob//SBFI/skewt/SBFI.skewt.20251209.00.gif