UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025122212.upa.cvt Date: 1200Z 22 DEC 25 Searching for SBFI... Searching the city database file for: SBFI ... Date:1200Z 22 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 76 SFC 982 243 25.6 23.3 87 2.3 23.9 70 6 300.3 303.7 297.7 355.1 18.65 2 925 762 24.4 19.9 76 4.5 21.2 15 27 304.3 307.2 297.1 351.9 16.01 3 897 1033 24.0 19.1 74 4.9 20.5 1 34 306.5 309.5 297.4 353.7 15.70 4 850 1504 20.6 17.7 83 2.9 18.5 5 33 307.7 310.6 297.4 353.5 15.16 5 802 2005 16.6 16.0 96 0.6 16.2 1 28 308.6 311.3 297.1 352.3 14.41 6 700 3154 10.0 5.4 73 4.6 7.2 345 13 313.6 315.1 294.0 338.7 8.06 7 651 3755 5.8 2.2 78 3.6 3.8 3 14 315.4 316.7 293.6 337.1 6.91 8 641 3882 5.6 0.6 70 5.0 2.8 344 14 316.6 317.8 293.4 336.4 6.25 9 620 4154 3.8 2.6 92 1.2 3.1 333 16 317.5 319.0 294.6 341.2 7.47 10 500 5880 -4.7 -8.2 76 3.5 -6.3 315 2 327.3 328.1 294.6 341.1 4.12 11 475 6280 -7.5 -10.0 82 2.5 -8.6 3 3 328.7 329.4 294.7 341.4 3.77 12 455 6613 -8.3 -21.3 34 13.0 -12.6 351 2 331.7 332.1 293.6 337.2 1.53 13 442 6837 -9.3 -23.3 31 14.0 -13.6 343 2 333.2 333.5 293.8 338.0 1.32 14 434 6978 -10.3 -19.3 48 9.0 -13.4 338 2 333.7 334.1 294.4 340.5 1.91 15 423 7174 -11.3 -20.3 47 9.0 -14.3 330 1 334.9 335.3 294.6 341.3 1.80 16 403 7543 -13.5 -27.5 30 14.0 -17.3 313 5 336.7 336.9 294.4 340.4 0.99 17 400 7600 -14.1 -25.1 39 11.0 -17.3 310 6 336.7 336.9 294.6 341.2 1.24 18 366 8268 -19.3 -22.6 75 3.3 -20.3 355 6 338.4 338.7 295.4 344.6 1.70 19 307 9554 -27.5 -33.5 57 6.0 -28.6 308 14 344.3 344.5 296.0 347.2 0.74 20 300 9720 -28.5 -37.5 42 9.0 -29.9 280 16 345.2 345.3 296.0 347.2 0.51 21 292 9913 -30.1 -49.1 14 19.0 -32.0 280 16 345.6 345.6 295.8 346.2 0.15 22 269 10492 -34.5 -39.1 63 4.6 -35.1 268 22 347.4 347.5 296.5 349.3 0.48 23 258 10783 -36.9 -43.9 48 7.0 -37.6 260 25 348.1 348.1 296.5 349.3 0.30 24 250 11000 -38.3 -44.3 53 6.0 -38.9 260 26 349.1 349.2 296.7 350.3 0.30 25 230 11566 -42.7 -47.5 59 4.8 -43.0 266 33 350.9 350.9 297.0 351.8 0.23 26 215 12016 -46.7 -49.6 72 2.9 -46.9 268 37 351.5 351.5 297.1 352.3 0.19 27 200 12490 -50.9 -55.5 58 4.6 -51.1 260 39 352.2 352.2 297.2 352.6 0.10 28 155 14101 -65.5 -71.5 43 6.0 -65.5 277 33 353.9 353.9 297.5 354.0 0.02 29 150 14300 -66.9 -72.9 42 6.0 -67.0 285 33 354.8 354.8 297.7 354.9 0.01 30 137 14843 -71.3 -76.3 47 5.0 -71.3 293 36 356.4 356.4 298.0 356.4 0.01 31 133 15018 -72.5 -78.5 40 6.0 -72.5 293 34 357.3 357.3 298.2 357.3 0.01 32 130 15153 -71.1 -81.1 21 10.0 -71.1 290 29 362.1 362.1 299.1 362.2 0.00 33 118 15722 -74.1 -79.1 46 5.0 -74.1 320 14 366.8 366.8 300.0 366.8 0.01 34 103 16510 -77.1 -90.1 11 13.0 -77.1 31 20 375.6 375.6 301.5 375.6 0.00 35 101 16623 -77.1 -89.1 13 12.0 -77.1 37 21 377.7 377.7 301.9 377.7 0.00 36 100 16680 -77.5 -89.5 13 12.0 -77.5 40 22 378.0 378.0 301.9 378.0 0.00 37 86 17532 -80.9 -90.9 17 10.0 -80.9 45 19 387.8 387.8 303.5 387.8 0.00 38 78 18084 -77.1 -89.1 13 12.0 -77.1 67 24 406.7 406.7 306.1 406.7 0.00 39 70 18700 -78.9 -88.9 18 10.0 -78.9 45 12 415.6 415.6 307.2 415.6 0.00 40 68 18865 -79.3 -89.3 18 10.0 -79.3 34 17 418.2 418.2 307.5 418.2 0.00 41 56 19985 -72.9 -88.9 7 16.0 -73.0 81 21 456.7 456.7 311.5 456.7 0.00 TRP 86 17532 -80.9 -90.9 17 10.0 -80.9 45 19 387.8 387.8 303.5 387.8 0.00 WND Sounding variables and indices 1000-500 mb thick: 5804.00 m Freezing level: 566.35 mb = 4925.67 m = 16160.13 ft Wetbulb zero: 580.25 mb = 4685.78 m = 15373.09 ft Precipitable water: 2.24 inches Sfc-500 mean rel hum: 82.34 % Est. max temperature: 33.32 C = 91.97 F Sfc-Lift cond lev (LCL): 950.08 mb = 529.79 m = 1738.14 ft T: 24.94 C 700-500 lapse rate: 5.39 C/km ThetaE index: 17.36 C Layer 850.0- 620.0 mb Conv cond level (CCL): 827.12 mb = 1738.92 m = 5705.05 ft Mean mixing ratio: 16.64 g/kg Conv temperature: 33.41 C = 92.14 F Cap Strength: 3.00 C Lifted Index: -2.96 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -1.95 C Lifted Index @700 mb: -1.50 C Showalter Index: -2.96 C Risk: Severe thunderstorms possible Total Totals Index: 47.70 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 25.30 C Cross Totals Index: 22.40 C K Index: 38.40 Risk: > 80 % chance of thunderstorms Sweat Index: 280.40 Risk: None Energy Index: -2.49 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 867.92 J/kg Max Up Vert Vel: 41.66 m/s Conv Inhibition (B-): 72.53 J/kg Cap Strength: 3.00 C Lift Cond Lev (LCL): 879.20 mb = 1208.33 m = 3964.29 ft Lev Free Conv (LFC): 794.20 mb = 2087.12 m = 6847.41 ft Equ Level (EL): 174.20 mb = 13362.63 m = 43840.11 ft B at Equ Level: 865.92 J/kg Max Parcel Lev (MPL): 94.20 mb = 17017.35 m = 55830.51 ft Wind level data Storm motion: 27 at 13 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 ---------------------------------------------------------- 0 982 243 70 6 -5.6 -2.1 | 181 10 0.1 9.5 1 975 305 70 6 -5.6 -2.1 | 181 10 0.1 9.5 2 941 610 20 21 -7.2 -19.7 | 10 8 -1.4 -8.2 3 925 762 15 27 -7.0 -26.1 | 5 15 -1.2 -14.5 4 909 914 360 34 -0.0 -34.0 | 346 23 5.8 -22.4 5 850 1504 5 33 -2.9 -32.9 | 352 22 2.9 -21.3 6 789 2134 360 27 -0.0 -27.0 | 339 16 5.8 -15.4 7 761 2438 355 24 2.1 -23.9 | 328 15 7.9 -12.3 8 709 3048 5 16 -1.4 -15.9 | 315 6 4.4 -4.4 9 700 3154 345 13 3.4 -12.6 | 276 9 9.1 -1.0 10 683 3353 345 13 3.4 -12.6 | 276 9 9.1 -1.0 11 658 3658 15 13 -3.4 -12.6 | 292 3 2.4 -1.0 12 634 3962 330 15 7.5 -13.0 | 276 13 13.3 -1.4 13 610 4267 335 17 7.2 -15.4 | 287 14 13.0 -3.8 14 500 5880 315 2 1.4 -1.4 | 215 12 7.2 10.1 15 486 6096 10 3 -0.5 -3.0 | 211 10 5.3 8.6 16 415 7315 325 1 0.6 -0.8 | 211 12 6.3 10.7 17 400 7600 310 6 4.6 -3.9 | 233 13 10.4 7.7 18 367 8230 355 6 0.5 -6.0 | 228 8 6.3 5.6 19 352 8534 360 11 -0.0 -11.0 | 264 6 5.8 0.6 20 311 9449 325 13 7.5 -10.6 | 266 13 13.2 0.9 21 300 9720 280 16 15.8 -2.8 | 248 23 21.5 8.8 22 286 10058 280 16 15.8 -2.8 | 248 23 21.5 8.8 23 251 10973 255 28 27.0 7.2 | 240 38 32.8 18.8 24 250 11000 260 26 25.6 4.5 | 243 35 31.4 16.1 25 219 11887 270 37 37.0 -0.0 | 255 44 42.8 11.6 26 200 12490 260 39 38.4 6.8 | 247 48 44.2 18.3 27 190 12802 260 40 39.4 6.9 | 248 49 45.2 18.5 28 173 13411 250 34 31.9 11.6 | 238 44 37.7 23.2 29 150 14300 285 33 31.9 -8.5 | 265 38 37.6 3.0 30 135 14935 295 36 32.6 -15.2 | 275 39 38.4 -3.7 31 121 15545 280 16 15.8 -2.8 | 248 23 21.5 8.8 32 115 15850 355 12 1.0 -12.0 | 273 7 6.8 -0.4 33 100 16680 40 22 -14.1 -16.9 | 58 10 -8.4 -5.3 34 99 16764 40 22 -14.1 -16.9 | 58 10 -8.4 -5.3 35 88 17374 30 25 -12.5 -21.7 | 34 12 -6.7 -10.1 36 86 17532 45 19 -13.4 -13.4 | 76 8 -7.7 -1.9 37 79 17983 65 20 -18.1 -8.5 | 104 13 -12.4 3.1 38 75 18288 70 32 -30.1 -10.9 | 91 24 -24.3 0.6 39 70 18700 45 12 -8.5 -8.5 | 139 4 -2.7 3.1 40 67 18898 30 18 -9.0 -15.6 | 39 5 -3.2 -4.0 41 63 19202 45 12 -8.5 -8.5 | 139 4 -2.7 3.1 42 60 19507 75 18 -17.4 -4.7 | 121 14 -11.6 6.9 43 53 20117 85 24 -23.9 -2.1 | 118 20 -18.1 9.5 44 50 20422 70 26 -24.4 -8.9 | 98 19 -18.7 2.7 Wind Parameters Mean winds (0-6000m): 356.5 at 17.2 knts Storm direction: 26.5 at 12.9 knts Shear (0-3000m) pos: 1.5 neg: 3.7 tot: 5.2 10-3/s Storm rel Dir Shear (0-3000m): 95.4 deg Storm rel helicity (0-3000m) pos: 13.1 neg: -102.2 tot: -89.1 m^2/s^2 ave: -29.7 10^-3 m/s^2 rel: -0.57 Storm rel vorticity (0-3000m) horiz: 11.1 stream: -6.3 10^-3/s Energy-Hel index: 0.07 Bulk Rich Number: 86.97 Bulk Shear: 9.98 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 27 15 28 2| 0.0 23.9 23.9| 0.0 -25.4 -25.4 -50.8 -0.72| 26.5-19.0 1000 11 24 353 12| 0.0 16.3 16.3| 8.0 -55.5 -47.5 -47.5 -0.61| 19.8-12.0 1500 8 27 352 15| 0.9 10.8 11.8| 13.1 -62.6 -49.4 -33.0 -0.56| 14.4 -8.2 2000 6 27 349 16| 0.7 7.0 7.7| 13.1 -80.0 -66.9 -33.5 -0.58| 12.2 -7.1 2500 4 26 346 15| 1.8 5.6 7.4| 13.1 -89.6 -76.4 -30.6 -0.55| 11.2 -6.2 3000 4 25 342 14| 1.5 3.7 5.2| 13.1-102.2 -89.1 -29.7 -0.57| 11.1 -6.3 4000 1 22 332 12| 1.2 3.5 4.7| 22.5-107.5 -85.0 -21.3 -0.42| 10.7 -4.5 5000 357 20 321 11| 0.9 2.0 2.9| 22.5-137.1-114.6 -22.9 -0.48| 9.5 -4.6 6000 357 17 310 9| 0.9 1.3 2.2| 22.8-157.7-135.0 -22.5 -0.50| 8.7 -4.4 Wrote GIF file: /home/apache/climate/data/raob//SBFI/skewt/SBFI.skewt.20251222.12.gif