UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025122500.upa.cvt Date: 0000Z 25 DEC 25 Searching for SBFI... Searching the city database file for: SBFI ... Date:0000Z 25 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 982 243 24.8 23.6 93 1.2 23.9 10 5 299.5 303.0 297.7 355.1 19.00 2 962 424 27.4 19.4 62 8.0 21.7 36 9 303.9 306.7 296.3 348.2 14.90 3 943 599 27.4 19.4 62 8.0 21.7 324 10 305.6 308.5 296.9 351.2 15.21 4 925 769 26.4 19.4 65 7.0 21.4 315 14 306.3 309.2 297.3 352.9 15.51 5 850 1510 20.2 16.7 80 3.5 17.8 330 16 307.3 310.0 296.7 350.2 14.21 6 818 1840 17.8 14.4 80 3.4 15.5 327 15 308.2 310.5 295.9 346.6 12.71 7 780 2247 16.0 8.0 59 8.0 11.0 329 15 310.4 312.1 293.6 337.0 8.66 8 750 2580 14.0 9.0 72 5.0 10.9 342 16 311.8 313.6 294.7 341.5 9.66 9 729 2820 13.4 0.4 41 13.0 6.3 354 20 313.7 314.7 291.9 330.7 5.41 10 700 3161 11.0 3.0 58 8.0 6.4 5 22 314.7 316.0 293.3 336.0 6.80 11 673 3488 8.8 1.8 61 7.0 4.8 355 19 315.8 317.0 293.4 336.3 6.49 12 663 3612 8.2 -3.8 42 12.0 2.1 352 18 316.4 317.3 291.8 330.4 4.36 13 628 4058 4.8 4.8 100 0.0 4.8 1 12 317.5 319.2 295.4 344.7 8.63 14 598 4457 2.8 2.8 100 0.0 2.8 347 12 319.7 321.2 295.4 344.7 7.86 15 555 5059 0.0 0.0 100 0.0 0.0 314 8 323.2 324.6 295.7 345.7 6.92 16 507 5780 -3.5 -8.5 68 5.0 -5.8 339 12 327.5 328.3 294.5 340.8 3.97 17 500 5890 -4.1 -5.9 87 1.8 -5.0 345 15 328.0 329.0 295.4 344.5 4.93 18 498 5922 -4.3 -4.8 96 0.5 -4.6 344 15 328.2 329.2 295.8 346.1 5.39 19 461 6527 -6.9 -9.1 84 2.2 -7.9 316 17 332.3 333.1 295.8 346.5 4.17 20 440 6888 -10.1 -10.2 99 0.1 -10.2 319 16 332.7 333.5 295.8 346.4 4.01 21 432 7030 -9.5 -15.5 62 6.0 -11.8 319 16 335.2 335.7 295.4 344.5 2.65 22 428 7102 -9.9 -14.5 69 4.6 -11.8 313 16 335.6 336.2 295.7 345.7 2.91 23 400 7620 -13.3 -20.3 56 7.0 -15.6 300 16 337.7 338.1 295.4 344.5 1.90 24 391 7793 -14.5 -19.5 66 5.0 -16.2 306 18 338.3 338.8 295.7 345.8 2.09 25 368 8250 -17.7 -37.7 16 20.0 -21.5 320 23 340.0 340.1 294.7 341.6 0.40 26 350 8623 -19.9 -43.9 10 24.0 -23.6 320 26 341.9 342.0 295.0 342.8 0.22 27 343 8773 -20.7 -30.7 40 10.0 -23.0 310 25 342.8 343.0 295.8 346.1 0.86 28 336 8925 -21.3 -37.3 22 16.0 -24.2 305 24 344.0 344.1 295.7 345.9 0.46 29 326 9148 -23.1 -49.1 7 26.0 -26.3 307 24 344.5 344.6 295.6 345.1 0.13 30 300 9750 -28.5 -44.5 20 16.0 -30.5 310 23 345.2 345.3 295.8 346.2 0.24 31 292 9943 -30.3 -44.3 24 14.0 -32.0 306 25 345.3 345.4 295.8 346.4 0.26 32 282 10190 -32.3 -48.3 19 16.0 -33.8 294 24 345.9 346.0 295.9 346.6 0.17 33 271 10470 -34.5 -54.5 11 20.0 -36.0 280 22 346.7 346.7 296.0 347.0 0.09 34 262 10705 -35.5 -44.5 39 9.0 -36.4 270 21 348.6 348.6 296.5 349.7 0.28 35 252 10975 -37.7 -42.3 62 4.6 -38.2 270 18 349.2 349.3 296.8 350.7 0.37 36 250 11030 -38.3 -42.9 62 4.6 -38.8 270 17 349.1 349.2 296.7 350.5 0.35 37 237 11394 -41.1 -45.2 64 4.1 -41.5 286 14 350.3 350.3 297.0 351.4 0.29 38 224 11774 -44.7 -48.3 67 3.6 -44.9 325 13 350.4 350.5 296.9 351.3 0.21 39 202 12455 -50.3 -54.9 58 4.6 -50.5 306 6 352.1 352.1 297.2 352.6 0.11 40 200 12520 -50.7 -55.3 58 4.6 -50.9 290 4 352.5 352.5 297.3 352.9 0.11 41 155 14131 -66.1 -69.7 61 3.6 -66.1 260 12 352.9 352.9 297.3 353.0 0.02 42 150 14330 -67.5 -71.8 54 4.3 -67.5 260 12 353.8 353.8 297.5 353.9 0.02 43 139 14783 -70.1 -80.1 22 10.0 -70.1 283 14 357.0 357.0 298.1 357.0 0.00 44 113 15987 -77.3 -81.3 52 4.0 -77.3 345 21 365.4 365.4 299.7 365.4 0.00 45 105 16404 -79.5 -84.5 43 5.0 -79.5 330 7 368.9 368.9 300.4 369.0 0.00 46 101 16624 -79.5 -85.5 36 6.0 -79.5 352 18 373.1 373.1 301.1 373.1 0.00 47 100 16680 -79.5 -85.5 36 6.0 -79.5 20 20 374.1 374.1 301.3 374.1 0.00 48 81 17873 -81.5 -89.5 24 8.0 -81.5 41 13 393.3 393.3 304.3 393.3 0.00 49 70 18700 -79.1 -88.1 21 9.0 -79.1 65 9 415.2 415.2 307.2 415.2 0.00 50 65 19121 -80.7 -88.7 25 8.0 -80.7 61 12 420.6 420.6 307.8 420.6 0.00 51 56 19988 -69.5 -87.5 6 18.0 -69.6 15 20 464.4 464.4 312.1 464.4 0.00 52 50 20670 -67.1 -88.1 4 21.0 -67.3 115 15 485.4 485.4 313.9 485.4 0.00 53 42 21727 -65.1 -89.1 2 24.0 -65.4 103 23 515.1 515.1 316.0 515.1 0.00 TRP 105 16404 -79.5 -84.5 43 5.0 -79.5 330 7 368.9 368.9 300.4 369.0 0.00 WND Sounding variables and indices 1000-500 mb thick: 5810.00 m Freezing level: 555.00 mb = 5058.70 m = 16596.58 ft Wetbulb zero: 554.84 mb = 5061.03 m = 16604.21 ft Precipitable water: 2.07 inches Sfc-500 mean rel hum: 75.28 % Est. max temperature: 33.04 C = 91.47 F Sfc-Lift cond lev (LCL): 965.41 mb = 392.52 m = 1287.78 ft T: 26.95 C 700-500 lapse rate: 5.53 C/km ThetaE index: 15.83 C Layer 850.0- 750.0 mb Conv cond level (CCL): 805.23 mb = 1974.85 m = 6479.09 ft Mean mixing ratio: 15.51 g/kg Conv temperature: 34.17 C = 93.50 F Cap Strength: 2.04 C Lifted Index: -1.72 C Risk: Thunderstorms probable Lifted Index @300 mb: -0.98 C Lifted Index @700 mb: -0.04 C Showalter Index: -1.19 C Risk: Thunderstorms probable Total Totals Index: 45.10 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 24.30 C Cross Totals Index: 20.80 C K Index: 33.00 Risk: 60-80 % chance of thunderstorms Sweat Index: 247.40 Risk: None Energy Index: -1.18 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 360.49 J/kg Max Up Vert Vel: 26.85 m/s Conv Inhibition (B-): 90.85 J/kg Cap Strength: 2.04 C Lift Cond Lev (LCL): 848.73 mb = 1522.92 m = 4996.40 ft Lev Free Conv (LFC): 693.73 mb = 3235.93 m = 10616.45 ft Equ Level (EL): 243.73 mb = 11203.35 m = 36755.94 ft B at Equ Level: 360.44 J/kg Max Parcel Lev (MPL): 123.73 mb = 15460.16 m = 50721.71 ft Wind level data Storm motion: 11 at 10 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 10 5 -0.9 -4.9 | 192 5 1.1 5.3 1 975 305 85 9 -9.0 -0.8 | 144 12 -7.0 9.5 2 942 610 320 10 6.4 -7.7 | 253 9 8.4 2.6 3 925 769 315 14 9.9 -9.9 | 268 12 11.9 0.4 4 910 914 325 15 8.6 -12.3 | 281 11 10.6 -2.0 5 879 1219 330 15 7.5 -13.0 | 286 10 9.5 -2.7 6 850 1510 330 16 8.0 -13.9 | 290 11 10.0 -3.6 7 790 2134 325 15 8.6 -12.3 | 281 11 10.6 -2.0 8 762 2438 335 14 5.9 -12.7 | 287 8 7.9 -2.4 9 709 3048 5 23 -2.0 -22.9 | 0 13 -0.0 -12.6 10 700 3161 5 22 -1.9 -21.9 | 360 12 0.1 -11.7 11 658 3658 350 17 3.0 -16.7 | 323 8 4.9 -6.5 12 634 3962 5 12 -1.0 -12.0 | 331 2 0.9 -1.7 13 611 4267 350 13 2.3 -12.8 | 301 5 4.2 -2.5 14 588 4572 345 12 3.1 -11.6 | 285 5 5.1 -1.3 15 567 4877 315 7 4.9 -4.9 | 233 9 6.9 5.3 16 526 5486 310 10 7.7 -6.4 | 248 10 9.6 3.8 17 506 5791 340 12 4.1 -11.3 | 279 6 6.1 -1.0 18 500 5890 345 15 3.9 -14.5 | 306 7 5.9 -4.2 19 487 6096 340 13 4.4 -12.2 | 287 7 6.4 -2.0 20 468 6401 315 17 12.0 -12.0 | 277 14 14.0 -1.8 21 433 7010 320 16 10.3 -12.3 | 279 12 12.3 -2.0 22 416 7315 295 15 13.6 -6.3 | 256 16 15.6 3.9 23 400 7620 300 16 13.9 -8.0 | 262 16 15.8 2.3 24 368 8230 320 23 14.8 -17.6 | 294 18 16.8 -7.4 25 354 8534 325 26 14.9 -21.3 | 303 20 16.9 -11.0 26 339 8839 305 24 19.7 -13.8 | 279 22 21.6 -3.5 27 300 9750 310 23 17.6 -14.8 | 283 20 19.6 -4.5 28 300 9754 315 26 18.4 -18.4 | 292 22 20.4 -8.1 29 263 10668 270 21 21.0 -0.0 | 246 25 23.0 10.3 30 250 11030 270 17 17.0 -0.0 | 242 22 19.0 10.3 31 241 11278 275 14 13.9 -1.2 | 240 18 15.9 9.0 32 210 12192 10 12 -2.1 -11.8 | 4 2 -0.1 -1.6 33 200 12520 290 4 3.8 -1.4 | 213 11 5.7 8.9 34 191 12802 285 4 3.9 -1.0 | 212 11 5.8 9.2 35 165 13716 270 10 10.0 -0.0 | 229 16 12.0 10.3 36 150 14326 255 13 12.6 3.4 | 227 20 14.5 13.6 37 150 14330 260 12 11.8 2.1 | 228 19 13.8 12.3 38 142 14630 285 14 13.5 -3.6 | 247 17 15.5 6.6 39 135 14935 280 15 14.8 -2.6 | 245 18 16.8 7.7 40 122 15545 360 12 -0.0 -12.0 | 311 3 2.0 -1.7 41 116 15850 350 25 4.3 -24.6 | 336 16 6.3 -14.4 42 105 16404 330 7 3.5 -6.1 | 233 7 5.5 4.2 43 104 16459 270 13 13.0 -0.0 | 236 18 15.0 10.3 44 100 16680 20 20 -6.8 -18.8 | 30 10 -4.9 -8.5 45 99 16764 15 16 -4.1 -15.5 | 23 6 -2.2 -5.2 46 88 17374 10 28 -4.9 -27.6 | 9 18 -2.9 -17.3 47 84 17678 15 16 -4.1 -15.5 | 23 6 -2.2 -5.2 48 79 17983 55 12 -9.8 -6.9 | 113 9 -7.8 3.4 49 75 18288 10 23 -4.0 -22.7 | 9 13 -2.0 -12.4 50 71 18593 95 6 -6.0 0.5 | 160 12 -4.0 10.8 51 70 18700 65 9 -8.2 -3.8 | 136 9 -6.2 6.5 52 64 19202 60 12 -10.4 -6.0 | 117 9 -8.4 4.3 53 61 19507 35 36 -20.6 -29.5 | 44 27 -18.7 -19.2 54 55 20117 10 16 -2.8 -15.8 | 8 6 -0.8 -5.5 55 50 20670 115 15 -13.6 6.3 | 145 20 -11.6 16.6 56 46 21031 115 15 -13.6 6.3 | 145 20 -11.6 16.6 57 43 21336 90 20 -20.0 0.0 | 120 21 -18.0 10.3 58 41 21641 115 26 -23.6 11.0 | 135 30 -21.6 21.3 59 38 21946 100 24 -23.6 4.2 | 124 26 -21.7 14.4 Wind Parameters Mean winds (0-6000m): 340.9 at 13.9 knts Storm direction: 10.9 at 10.5 knts Shear (0-3000m) pos: 2.7 neg: 2.0 tot: 4.7 10-3/s Storm rel Dir Shear (0-3000m): 162.7 deg Storm rel helicity (0-3000m) pos: 53.9 neg: -20.7 tot: 33.2 m^2/s^2 ave: 11.1 10^-3 m/s^2 rel: 0.30 Storm rel vorticity (0-3000m) horiz: 9.6 stream: 2.9 10^-3/s Energy-Hel index: 0.05 Bulk Rich Number: 120.31 Bulk Shear: 3.00 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 ------------------------------------------------------------------------------- 500 352 10 260 3| 0.0 11.5 11.5| 7.2 -13.2 -6.0 -12.0 0.05| 32.1 1.7 1000 332 12 274 8| 2.0 5.8 7.8| 18.2 -13.2 5.0 5.0 0.15| 18.2 2.8 1500 331 13 280 9| 1.3 4.1 5.4| 19.6 -14.7 4.9 3.2 0.15| 12.6 1.8 2000 330 14 281 9| 0.9 3.1 4.0| 20.6 -17.6 3.0 1.5 0.12| 10.0 1.2 2500 332 14 285 9| 2.2 2.5 4.7| 36.0 -17.6 18.4 7.4 0.25| 9.6 2.4 3000 339 15 299 8| 2.7 2.0 4.7| 53.9 -20.7 33.2 11.1 0.30| 9.6 2.9 4000 344 16 307 8| 2.0 1.8 3.9| 54.9 -34.5 20.4 5.1 0.15| 9.0 1.4 5000 343 14 299 7| 1.6 2.2 3.8| 58.1 -47.0 11.1 2.2 0.06| 8.3 0.5 6000 341 14 294 7| 1.8 2.0 3.7| 74.7 -51.4 23.3 3.9 0.11| 8.1 0.9 Wrote GIF file: /home/apache/climate/data/raob//SBFI/skewt/SBFI.skewt.20251225.00.gif