UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120700.upa.cvt Date: 0000Z 7 DEC 25 Searching for SBFI... Searching the city database file for: SBFI ... Date:0000Z 7 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 80 SFC 983 243 27.0 20.0 66 7.0 22.1 330 2 301.6 304.4 295.8 346.2 15.14 2 977 297 30.8 17.8 46 13.0 21.7 0 4 306.0 308.4 295.7 345.7 13.24 3 971 351 31.6 15.6 38 16.0 20.6 29 4 307.3 309.5 294.8 342.2 11.55 4 925 777 28.4 14.4 42 14.0 18.9 175 3 308.3 310.5 294.9 342.4 11.22 5 850 1522 21.6 12.6 57 9.0 15.7 105 10 308.8 310.8 294.7 341.7 10.85 6 791 2140 16.2 11.5 74 4.7 13.1 95 11 309.4 311.5 294.9 342.4 10.84 7 709 3060 8.6 6.8 88 1.8 7.5 57 3 310.9 312.5 293.8 337.9 8.78 8 700 3166 8.2 6.0 86 2.2 6.9 50 2 311.6 313.2 293.7 337.5 8.41 9 668 3551 6.2 -7.8 36 14.0 -0.2 23 2 313.5 314.1 289.9 323.7 3.18 10 647 3814 9.2 -35.8 2 45.0 -2.9 13 7 319.8 319.8 289.0 320.8 0.28 11 585 4639 2.4 -27.6 9 30.0 -6.4 28 11 321.2 321.3 289.9 323.6 0.68 12 500 5890 -5.7 -42.7 4 37.0 -12.8 320 6 326.1 326.1 290.8 326.8 0.18 13 413 7351 -16.7 -49.7 4 33.0 -21.0 256 12 330.2 330.3 291.9 330.6 0.10 14 400 7590 -18.1 -50.1 4 32.0 -22.1 265 23 331.5 331.5 292.2 331.9 0.10 15 386 7856 -19.1 -44.1 9 25.0 -22.8 265 26 333.5 333.6 292.9 334.3 0.20 16 383 7914 -19.3 -34.3 25 15.0 -22.2 265 27 334.0 334.1 293.3 336.1 0.55 17 365 8270 -22.3 -23.8 88 1.5 -22.7 265 29 334.7 335.0 294.4 340.2 1.53 18 352 8535 -24.7 -24.9 98 0.2 -24.8 267 28 334.9 335.2 294.3 340.1 1.44 19 325 9112 -28.3 -36.3 46 8.0 -29.6 270 25 337.7 337.8 294.3 339.7 0.53 20 300 9680 -33.7 -38.3 63 4.6 -34.3 260 26 337.9 338.0 294.3 339.7 0.47 21 294 9821 -34.9 -39.0 66 4.1 -35.4 259 27 338.1 338.2 294.3 339.8 0.44 22 286 10013 -36.1 -64.1 4 28.0 -37.5 258 27 339.1 339.1 294.1 339.2 0.02 23 283 10087 -36.3 -64.3 4 28.0 -37.7 257 28 339.8 339.8 294.3 339.9 0.02 24 274 10310 -38.3 -62.3 6 24.0 -39.4 255 29 340.1 340.1 294.4 340.2 0.03 25 266 10514 -37.3 -79.3 0 42.0 -38.7 255 39 344.4 344.4 295.4 344.5 0.00 26 250 10940 -40.1 -69.1 3 29.0 -41.2 255 68 346.4 346.5 295.8 346.5 0.01 27 200 12420 -53.3 -70.3 11 17.0 -53.6 250 83 348.4 348.4 296.3 348.4 0.01 28 192 12682 -55.3 -71.3 12 16.0 -55.5 250 88 349.2 349.3 296.5 349.3 0.01 29 185 12919 -57.5 -71.7 15 14.3 -57.6 250 92 349.5 349.5 296.5 349.5 0.01 30 165 13632 -64.1 -73.1 28 9.0 -64.2 250 89 350.0 350.0 296.6 350.0 0.01 31 150 14210 -68.9 -76.9 31 8.0 -68.9 255 64 351.4 351.4 297.0 351.4 0.01 32 130 15055 -73.1 -82.1 24 9.0 -73.1 270 56 358.6 358.6 298.4 358.6 0.00 33 118 15626 -69.9 -87.9 6 18.0 -69.9 264 41 374.5 374.5 301.4 374.5 0.00 34 100 16600 -73.9 -88.9 8 15.0 -73.9 280 29 384.9 384.9 303.1 385.0 0.00 35 94 16959 -76.5 -89.5 11 13.0 -76.5 274 28 386.7 386.7 303.3 386.7 0.00 TRP 130 15055 -73.1 -82.1 24 9.0 -73.1 270 56 358.6 358.6 298.4 358.6 0.00 WND 185 12919 -57.5 -71.7 15 14.3 -57.6 250 92 349.5 349.5 296.5 349.5 0.01 Sounding variables and indices 1000-500 mb thick: 5810.00 m Freezing level: 559.81 mb = 5009.78 m = 16436.07 ft Wetbulb zero: 668.71 mb = 3542.36 m = 11621.76 ft Precipitable water: 1.35 inches Sfc-500 mean rel hum: 39.06 % Est. max temperature: 34.30 C = 93.75 F Sfc-Lift cond lev (LCL): 887.87 mb = 1137.99 m = 3733.51 ft T: 25.11 C 700-500 lapse rate: 5.10 C/km ThetaE index: 21.62 C Layer 709.0- 585.0 mb Conv cond level (CCL): 737.03 mb = 2734.38 m = 8970.95 ft Mean mixing ratio: 11.49 g/kg Conv temperature: 35.71 C = 96.28 F Cap Strength: 3.91 C Lifted Index: 0.02 C Risk: Showers probable Lifted Index @300 mb: -1.14 C Lifted Index @700 mb: -0.26 C Showalter Index: 0.37 C Risk: Thunderstorms probable Total Totals Index: 45.60 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 27.30 C Cross Totals Index: 18.30 C K Index: 37.70 Risk: > 80 % chance of thunderstorms Sweat Index: 177.20 Risk: None Energy Index: -2.76 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 166.48 J/kg Max Up Vert Vel: 18.25 m/s Conv Inhibition (B-): 77.01 J/kg Cap Strength: 3.76 C Lift Cond Lev (LCL): 763.96 mb = 2432.77 m = 7981.44 ft Lev Free Conv (LFC): 708.96 mb = 3060.63 m = 10041.33 ft Equ Level (EL): 668.96 mb = 3539.28 m = 11611.65 ft B at Equ Level: 13.58 J/kg Max Parcel Lev (MPL): 648.96 mb = 3789.48 m = 12432.54 ft Wind level data Storm motion: 79 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 ---------------------------------------------------------- 0 983 243 330 2 1.0 -1.7 | 276 7 6.5 -0.7 1 976 305 5 4 -0.3 -4.0 | 300 6 5.2 -3.0 2 943 610 165 3 -0.8 2.9 | 231 6 4.8 3.9 3 925 777 175 3 -0.3 3.0 | 233 7 5.3 4.0 4 911 914 155 5 -2.1 4.5 | 212 7 3.4 5.6 5 850 1522 105 10 -9.7 2.6 | 131 5 -4.1 3.6 6 850 1524 110 10 -9.4 3.4 | 139 6 -3.8 4.5 7 791 2134 95 11 -11.0 1.0 | 110 6 -5.4 2.0 8 763 2438 100 10 -9.8 1.7 | 123 5 -4.3 2.8 9 700 3166 50 2 -1.5 -1.3 | 274 4 4.0 -0.3 10 659 3658 15 2 -0.5 -1.9 | 280 5 5.0 -0.9 11 634 3962 10 13 -2.3 -12.8 | 344 12 3.3 -11.8 12 611 4267 15 14 -3.6 -13.5 | 351 13 1.9 -12.5 13 588 4572 30 11 -5.5 -9.5 | 360 8 0.0 -8.5 14 500 5890 320 6 3.9 -4.6 | 291 10 9.4 -3.6 15 487 6096 305 5 4.1 -2.9 | 281 10 9.6 -1.8 16 468 6401 290 3 2.8 -1.0 | 270 8 8.4 0.0 17 415 7315 255 11 10.6 2.8 | 257 17 16.2 3.9 18 400 7590 265 23 22.9 2.0 | 264 29 28.5 3.0 19 382 7925 265 27 26.9 2.4 | 264 33 32.4 3.4 20 366 8230 265 29 28.9 2.5 | 264 35 34.4 3.6 21 337 8839 270 27 27.0 -0.0 | 268 33 32.5 1.0 22 323 9144 270 25 25.0 -0.0 | 268 31 30.5 1.0 23 300 9680 260 26 25.6 4.5 | 260 32 31.2 5.5 24 272 10363 255 29 28.0 7.5 | 256 35 33.6 8.5 25 250 10940 255 68 65.7 17.6 | 255 74 71.2 18.6 26 238 11278 260 75 73.9 13.0 | 260 81 79.4 14.1 27 207 12192 255 80 77.3 20.7 | 255 86 82.8 21.7 28 200 12420 250 83 78.0 28.4 | 251 89 83.5 29.4 29 185 12919 250 92 86.5 31.5 | 251 98 92.0 32.5 30 179 13106 250 92 86.5 31.5 | 251 98 92.0 32.5 31 163 13716 250 88 82.7 30.1 | 251 94 88.2 31.1 32 150 14210 255 64 61.8 16.6 | 255 70 67.4 17.6 33 133 14935 260 46 45.3 8.0 | 260 52 50.8 9.0 34 130 15055 270 56 56.0 -0.0 | 269 62 61.5 1.0 35 126 15240 270 56 56.0 -0.0 | 269 62 61.5 1.0 36 114 15850 260 32 31.5 5.6 | 260 38 37.1 6.6 37 108 16154 275 23 22.9 -2.0 | 272 28 28.5 -1.0 38 102 16459 280 26 25.6 -4.5 | 276 31 31.2 -3.5 39 100 16600 280 29 28.6 -5.0 | 277 34 34.1 -4.0 40 97 16764 280 29 28.6 -5.0 | 277 34 34.1 -4.0 41 82 17678 250 24 22.6 8.2 | 252 30 28.1 9.2 42 78 17983 265 21 20.9 1.8 | 264 27 26.5 2.9 43 74 18288 250 21 19.7 7.2 | 252 27 25.3 8.2 44 70 18593 250 12 11.3 4.1 | 253 18 16.8 5.1 45 66 18898 275 8 8.0 -0.7 | 269 14 13.5 0.3 Wind Parameters Mean winds (0-6000m): 49.5 at 7.5 knts Storm direction: 79.5 at 5.6 knts Shear (0-3000m) pos: 0.0 neg: 0.4 tot: 0.4 10-3/s Storm rel Dir Shear (0-3000m): -0.7 deg Storm rel helicity (0-3000m) pos: 6.2 neg: -25.8 tot: -19.6 m^2/s^2 ave: -6.5 10^-3 m/s^2 rel: -0.50 Storm rel vorticity (0-3000m) horiz: 6.2 stream: -3.1 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 33.69 Bulk Shear: 4.94 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 ------------------------------------------------------------------------------- 500 102 3 233 3| 0.0 5.0 5.0| 4.6 -3.1 1.5 2.9 -0.10| 12.4 -1.2 1000 141 4 212 5| 0.0 4.9 4.9| 4.6 -13.7 -9.1 -9.1 -0.41| 9.5 -3.9 1500 120 6 184 4| 0.0 4.1 4.1| 4.6 -20.4 -15.8 -10.5 -0.52| 7.9 -4.1 2000 110 7 160 4| 0.0 3.1 3.1| 5.2 -23.2 -18.0 -9.0 -0.53| 6.6 -3.5 2500 106 8 150 4| 0.0 1.6 1.6| 6.2 -24.6 -18.4 -7.4 -0.48| 6.3 -3.0 3000 105 7 156 3| 0.0 0.4 0.4| 6.2 -25.8 -19.6 -6.5 -0.50| 6.2 -3.1 4000 83 7 97 1| 1.1 0.5 1.6| 25.1 -25.8 -0.7 -0.2 -0.18| 6.4 -1.1 5000 61 8 24 3| 0.6 0.3 0.9| 29.7 -41.1 -11.5 -2.3 -0.22| 6.2 -1.4 6000 49 8 3 4| 0.5 0.6 1.0| 29.7 -61.1 -31.4 -5.2 -0.31| 5.8 -1.8 Wrote GIF file: /home/apache/climate/data/raob//SBFI/skewt/SBFI.skewt.20251207.00.gif