UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120812.upa.cvt Date: 1200Z 8 DEC 25 Searching for SBFI... Searching the city database file for: SBFI ... Date:1200Z 8 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 95 SFC 984 243 20.4 19.7 96 0.7 19.9 190 2 294.9 297.6 293.7 337.4 14.84 2 969 374 19.6 19.6 100 0.0 19.6 216 9 295.4 298.1 293.9 338.4 14.98 3 925 768 18.6 18.0 96 0.6 18.2 115 4 298.3 300.9 294.2 339.5 14.18 4 850 1492 15.8 14.7 93 1.1 15.1 40 12 302.7 305.0 294.2 339.6 12.47 5 777 2253 13.4 12.1 92 1.3 12.6 29 27 308.0 310.1 295.0 342.8 11.50 6 700 3126 8.0 6.7 91 1.3 7.2 20 26 311.3 313.0 294.0 338.5 8.83 7 664 3562 6.2 3.4 82 2.8 4.6 12 20 314.1 315.5 293.6 337.1 7.38 8 611 4241 1.6 1.4 99 0.2 1.5 10 24 316.3 317.7 293.9 338.3 6.95 9 500 5840 -5.9 -6.1 98 0.2 -6.0 340 29 325.8 326.8 294.8 341.9 4.86 10 487 6046 -6.7 -6.8 99 0.1 -6.8 332 30 327.3 328.3 295.1 343.1 4.72 11 400 7560 -15.3 -16.8 88 1.5 -15.9 330 39 335.1 335.6 295.3 344.1 2.57 12 395 7655 -15.7 -17.1 89 1.4 -16.2 329 39 335.8 336.3 295.4 344.7 2.54 13 331 8963 -25.1 -27.5 80 2.4 -25.6 304 39 340.3 340.6 295.4 344.8 1.21 14 311 9413 -28.5 -28.6 99 0.1 -28.5 302 40 341.7 341.9 295.7 346.0 1.16 15 301 9646 -30.1 -30.8 94 0.7 -30.2 300 40 342.6 342.8 295.8 346.3 0.98 16 300 9670 -30.5 -31.2 94 0.7 -30.6 300 40 342.4 342.6 295.7 346.0 0.94 17 266 10508 -38.7 -44.7 53 6.0 -39.2 300 44 342.4 342.5 295.1 343.5 0.27 18 250 10930 -42.3 -46.7 62 4.4 -42.6 300 46 343.2 343.2 295.3 344.1 0.23 19 245 11066 -43.3 -47.1 66 3.8 -43.6 300 46 343.7 343.7 295.4 344.6 0.22 20 227 11572 -48.3 -52.1 65 3.8 -48.5 300 48 343.6 343.6 295.3 344.2 0.14 21 221 11747 -49.3 -62.3 20 13.0 -49.7 296 47 344.7 344.7 295.5 344.9 0.04 22 210 12078 -52.5 -60.5 37 8.0 -52.7 288 45 344.8 344.8 295.5 345.0 0.05 23 201 12358 -54.7 -60.7 47 6.0 -54.8 281 52 345.7 345.7 295.7 345.9 0.05 24 200 12390 -54.9 -60.9 47 6.0 -55.1 280 54 345.8 345.8 295.7 346.1 0.05 25 187 12816 -58.1 -76.1 8 18.0 -58.3 276 62 347.4 347.4 296.1 347.4 0.01 26 150 14170 -68.7 -75.7 36 7.0 -68.7 265 87 351.7 351.7 297.0 351.8 0.01 27 142 14496 -71.3 -75.6 53 4.3 -71.3 265 89 352.8 352.8 297.3 352.8 0.01 28 139 14622 -72.3 -75.5 62 3.2 -72.3 265 89 353.2 353.2 297.3 353.2 0.01 29 133 14881 -73.9 -79.9 39 6.0 -73.9 260 83 354.8 354.8 297.7 354.8 0.01 30 127 15152 -70.7 -82.7 15 12.0 -70.8 254 76 365.3 365.3 299.7 365.3 0.00 31 115 15735 -74.7 -83.7 23 9.0 -74.7 242 62 368.4 368.4 300.3 368.4 0.00 32 105 16270 -69.5 -84.5 10 15.0 -69.6 240 37 388.0 388.0 303.5 388.0 0.00 33 100 16560 -71.5 -85.5 11 14.0 -71.6 215 26 389.6 389.6 303.8 389.6 0.00 34 84 17579 -76.5 -87.5 16 11.0 -76.5 200 16 399.3 399.3 305.1 399.4 0.00 35 78 18012 -71.7 -85.7 11 14.0 -71.8 174 23 417.9 417.9 307.4 417.9 0.00 36 76 18165 -73.1 -87.1 10 14.0 -73.2 147 19 418.0 418.0 307.5 418.1 0.00 37 70 18650 -70.9 -86.9 8 16.0 -71.0 145 17 432.7 432.7 309.1 432.7 0.00 38 66 19000 -69.9 -86.9 7 17.0 -70.0 140 16 442.2 442.2 310.1 442.2 0.00 39 59 19663 -72.7 -87.7 9 15.0 -72.8 103 11 450.3 450.3 310.9 450.4 0.00 40 54 20188 -68.3 -87.3 5 19.0 -68.5 115 11 472.0 472.0 312.8 472.0 0.00 41 50 20650 -68.5 -88.5 4 20.0 -68.7 140 8 482.1 482.1 313.6 482.1 0.00 42 39 22151 -64.7 -87.7 3 23.0 -65.1 40 14 527.2 527.2 316.8 527.2 0.00 43 38 22309 -64.7 -87.7 3 23.0 -65.1 50 14 531.1 531.1 317.0 531.1 0.00 44 37 22473 -61.5 -86.5 2 25.0 -62.1 79 15 543.4 543.4 317.7 543.4 0.01 45 30 23780 -58.9 -87.9 1 29.0 -59.9 100 18 584.1 584.1 319.9 584.1 0.01 46 23 25456 -56.7 -86.7 1 30.0 -58.3 80 23 636.7 636.7 322.2 636.7 0.01 TRP 84 17579 -76.5 -87.5 16 11.0 -76.5 200 16 399.3 399.3 305.1 399.4 0.00 WND 142 14496 -71.3 -75.6 53 4.3 -71.3 265 89 352.8 352.8 297.3 352.8 0.01 Sounding variables and indices 1000-500 mb thick: 5745.00 m Freezing level: 587.32 mb = 4581.91 m = 15032.33 ft Wetbulb zero: 589.03 mb = 4532.87 m = 14871.45 ft Precipitable water: 2.15 inches Sfc-500 mean rel hum: 94.25 % Est. max temperature: 29.26 C = 84.68 F Sfc-Lift cond lev (LCL): 974.24 mb = 327.79 m = 1075.42 ft T: 19.88 C 700-500 lapse rate: 5.12 C/km ThetaE index: 5.67 C Layer 700.0- 611.0 mb Conv cond level (CCL): 898.63 mb = 1015.61 m = 3332.02 ft Mean mixing ratio: 14.26 g/kg Conv temperature: 25.29 C = 77.53 F Cap Strength: 1.90 C Lifted Index: 1.23 C Risk: Showers probable Lifted Index @300 mb: 4.11 C Lifted Index @700 mb: 0.60 C Showalter Index: 1.05 C Risk: Showers probable Total Totals Index: 42.30 C Risk: None Vertical Totals Index: 21.70 C Cross Totals Index: 20.60 C K Index: 35.10 Risk: > 80 % chance of thunderstorms Sweat Index: 229.40 Risk: None Energy Index: 0.37 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 24.09 J/kg Max Up Vert Vel: 6.94 m/s Conv Inhibition (B-): 111.03 J/kg Cap Strength: 1.86 C Lift Cond Lev (LCL): 926.53 mb = 753.99 m = 2473.67 ft Lev Free Conv (LFC): 611.53 mb = 4233.67 m = 13889.81 ft Equ Level (EL): 581.53 mb = 4635.07 m = 15206.75 ft B at Equ Level: 23.55 J/kg Max Parcel Lev (MPL): 501.53 mb = 5815.64 m = 19079.96 ft Wind level data Storm motion: 41 at 15 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 ---------------------------------------------------------- 0 984 243 190 2 0.3 2.0 | 218 17 10.4 13.4 1 977 305 235 10 8.2 5.7 | 227 25 18.3 17.2 2 942 610 150 4 -2.0 3.5 | 208 17 8.1 14.9 3 925 768 115 4 -3.6 1.7 | 206 15 6.5 13.1 4 909 914 105 5 -4.8 1.3 | 202 14 5.2 12.7 5 850 1492 40 12 -7.7 -9.2 | 227 3 2.4 2.2 6 847 1524 50 11 -8.4 -7.1 | 201 5 1.6 4.3 7 817 1829 25 14 -5.9 -12.7 | 287 4 4.2 -1.3 8 788 2134 25 26 -11.0 -23.6 | 4 12 -0.9 -12.1 9 760 2438 35 29 -16.6 -23.8 | 28 14 -6.6 -12.3 10 700 3126 20 26 -8.9 -24.4 | 355 13 1.2 -13.0 11 681 3353 15 24 -6.2 -23.2 | 342 12 3.9 -11.8 12 655 3658 10 18 -3.1 -17.7 | 312 9 6.9 -6.3 13 608 4267 10 24 -4.2 -23.6 | 334 14 5.9 -12.2 14 522 5486 360 23 -0.0 -23.0 | 319 15 10.1 -11.6 15 500 5840 340 29 9.9 -27.3 | 308 26 20.0 -15.8 16 484 6096 330 30 15.0 -26.0 | 300 29 25.1 -14.6 17 465 6401 325 30 17.2 -24.6 | 296 30 27.3 -13.2 18 400 7560 330 39 19.5 -33.8 | 307 37 29.6 -22.4 19 381 7925 325 38 21.8 -31.1 | 302 37 31.9 -19.7 20 365 8230 320 38 24.4 -29.1 | 297 39 34.5 -17.7 21 336 8839 305 39 31.9 -22.4 | 285 43 42.0 -10.9 22 300 9670 300 40 34.6 -20.0 | 281 46 44.7 -8.6 23 250 10930 300 46 39.8 -23.0 | 283 51 49.9 -11.6 24 226 11582 300 48 41.6 -24.0 | 284 53 51.6 -12.6 25 206 12192 285 44 42.5 -11.4 | 270 53 52.6 0.0 26 200 12390 280 54 53.2 -9.4 | 268 63 63.3 2.0 27 150 14170 265 87 86.7 7.6 | 259 99 96.7 19.0 28 142 14496 265 89 88.7 7.8 | 259 101 98.7 19.2 29 139 14630 265 89 88.7 7.8 | 259 101 98.7 19.2 30 113 15850 240 59 51.1 29.5 | 236 74 61.2 40.9 31 107 16154 250 42 39.5 14.4 | 243 56 49.5 25.8 32 100 16560 215 26 14.9 21.3 | 217 41 25.0 32.7 33 97 16764 210 26 13.0 22.5 | 214 41 23.1 33.9 34 92 17069 225 20 14.1 14.1 | 223 35 24.2 25.6 35 87 17374 205 13 5.5 11.8 | 214 28 15.6 23.2 36 84 17579 200 16 5.5 15.0 | 210 31 15.5 26.5 37 83 17678 210 10 5.0 8.7 | 217 25 15.1 20.1 38 78 17983 180 24 0.0 24.0 | 196 37 10.1 35.4 39 74 18288 125 16 -13.1 9.2 | 172 21 -3.0 20.6 40 71 18593 145 8 -4.6 6.6 | 197 19 5.5 18.0 41 70 18650 145 17 -9.8 13.9 | 181 25 0.3 25.3 42 67 18898 140 16 -10.3 12.3 | 179 24 -0.2 23.7 43 64 19202 140 16 -10.3 12.3 | 179 24 -0.2 23.7 44 61 19507 100 12 -11.8 2.1 | 173 14 -1.7 13.5 45 55 20117 110 10 -9.4 3.4 | 183 15 0.7 14.8 46 52 20422 130 16 -12.3 10.3 | 174 22 -2.2 21.7 47 50 20650 140 8 -5.1 6.1 | 196 18 4.9 17.5 48 47 21031 90 11 -11.0 0.0 | 175 11 -0.9 11.4 49 45 21336 125 11 -9.0 6.3 | 183 18 1.1 17.7 50 40 21946 55 18 -14.7 -10.3 | 103 5 -4.7 1.1 51 39 22250 35 13 -7.5 -10.6 | 254 3 2.6 0.8 52 35 22860 145 17 -9.8 13.9 | 181 25 0.3 25.3 53 33 23165 130 21 -16.1 13.5 | 166 26 -6.0 24.9 54 32 23470 95 21 -20.9 1.8 | 141 17 -10.8 13.3 55 30 23780 100 18 -17.7 3.1 | 152 16 -7.7 14.5 56 28 24079 110 11 -10.3 3.8 | 179 15 -0.3 15.2 57 24 24689 85 22 -21.9 -1.9 | 129 15 -11.8 9.5 58 22 24994 75 24 -23.2 -6.2 | 112 14 -13.1 5.2 59 19 25603 100 19 -18.7 3.3 | 150 17 -8.6 14.7 Wind Parameters Mean winds (0-6000m): 11.4 at 20.3 knts Storm direction: 41.4 at 15.2 knts Shear (0-3000m) pos: 0.0 neg: 4.6 tot: 4.6 10-3/s Storm rel Dir Shear (0-3000m): 130.3 deg Storm rel helicity (0-3000m) pos: 46.9 neg: -77.7 tot: -30.9 m^2/s^2 ave: -10.3 10^-3 m/s^2 rel: 0.05 Storm rel vorticity (0-3000m) horiz: 11.2 stream: 0.5 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.26 Bulk Shear: 91.44 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 ------------------------------------------------------------------------------- 500 203 6 216 21| 0.0 3.9 3.9| 8.9 -34.9 -26.0 -52.1 -0.23| 20.2 -4.6 1000 135 6 200 17| 0.0 5.2 5.2| 8.9 -45.1 -36.2 -36.2 -0.27| 14.0 -3.9 1500 67 8 199 9| 0.0 5.2 5.2| 14.0 -45.6 -31.6 -21.1 -0.08| 12.6 -0.9 2000 41 11 224 4| 0.0 7.5 7.5| 34.9 -45.6 -10.7 -5.3 0.17| 13.5 2.3 2500 36 14 277 2| 0.0 6.1 6.1| 46.9 -57.9 -11.1 -4.4 0.15| 12.2 1.8 3000 32 16 333 3| 0.0 4.6 4.6| 46.9 -77.7 -30.9 -10.3 0.05| 11.2 0.5 4000 25 18 331 5| 0.0 3.3 3.3| 58.2 -97.0 -38.8 -9.7 0.00| 10.1 0.0 5000 20 19 330 7| 0.0 2.6 2.6| 58.2-108.1 -49.9 -10.0 -0.03| 8.4 -0.3 6000 11 20 324 10| 0.0 2.7 2.7| 58.2-169.0-110.8 -18.5 -0.12| 8.6 -1.1 Wrote GIF file: /home/apache/climate/data/raob//SBFI/skewt/SBFI.skewt.20251208.12.gif