UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025122912.upa.cvt Date: 1200Z 29 DEC 25 Searching for SBFI... Searching the city database file for: SBFI ... Date:1200Z 29 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 97 SFC 984 243 22.8 22.5 98 0.3 22.6 130 3 297.3 300.5 296.3 348.6 17.70 2 966 402 21.4 21.3 99 0.1 21.3 137 3 297.5 300.5 295.7 346.0 16.73 3 960 456 21.4 19.7 90 1.7 20.2 150 3 298.0 300.8 294.8 342.2 15.22 4 947 574 24.4 15.4 57 9.0 18.4 177 2 302.2 304.4 293.5 336.8 11.69 5 928 750 23.6 18.6 74 5.0 20.1 310 6 303.2 305.9 295.9 346.7 14.69 6 925 778 23.6 17.6 69 6.0 19.4 335 7 303.4 306.0 295.4 344.5 13.82 7 907 950 24.0 18.0 69 6.0 19.8 325 10 305.6 308.3 296.4 348.9 14.47 8 850 1516 20.0 15.9 77 4.1 17.2 325 12 307.1 309.6 296.1 347.7 13.49 9 700 3164 9.6 8.1 90 1.5 8.6 315 11 313.1 315.0 295.1 343.3 9.74 10 653 3738 5.2 5.2 100 0.0 5.2 322 15 314.4 316.1 294.6 341.1 8.53 11 500 5880 -5.9 -8.5 82 2.6 -7.1 290 13 325.8 326.6 294.1 339.3 4.03 12 439 6889 -11.9 -16.5 69 4.6 -13.6 285 13 330.6 331.1 294.0 338.9 2.40 13 419 7246 -12.3 -21.3 47 9.0 -15.2 271 11 334.5 334.9 294.4 340.5 1.67 14 400 7600 -14.5 -21.5 55 7.0 -16.7 265 9 336.1 336.5 294.8 342.3 1.72 15 377 8044 -18.3 -24.3 59 6.0 -20.0 308 7 336.9 337.2 294.8 342.0 1.42 16 353 8531 -20.9 -42.9 12 22.0 -24.2 336 5 339.8 339.8 294.5 340.7 0.25 17 336 8893 -23.3 -33.3 39 10.0 -25.3 343 6 341.3 341.5 295.3 343.9 0.69 18 329 9046 -24.3 -41.3 19 17.0 -26.8 346 6 342.0 342.1 295.1 343.2 0.31 19 316 9338 -26.1 -42.1 21 16.0 -28.3 352 6 343.5 343.5 295.4 344.7 0.30 20 300 9710 -29.7 -39.7 37 10.0 -31.1 360 7 343.5 343.6 295.6 345.1 0.40 21 290 9950 -32.1 -40.1 45 8.0 -33.1 14 10 343.4 343.5 295.5 345.0 0.40 22 266 10553 -36.3 -42.3 54 6.0 -37.0 336 10 345.9 346.0 296.0 347.3 0.35 23 250 10980 -39.5 -46.5 47 7.0 -40.1 300 13 347.3 347.4 296.3 348.3 0.23 24 238 11315 -41.9 -52.9 29 11.0 -42.6 303 13 348.6 348.7 296.4 349.1 0.12 25 213 12058 -48.3 -55.3 44 7.0 -48.6 322 21 349.9 349.9 296.7 350.3 0.10 26 203 12373 -50.7 -61.7 26 11.0 -51.0 321 23 351.0 351.0 296.9 351.2 0.05 27 200 12470 -51.7 -61.7 29 10.0 -52.0 320 24 350.9 350.9 296.8 351.1 0.05 28 165 13687 -62.1 -65.0 68 2.9 -62.1 335 34 353.3 353.3 297.4 353.5 0.04 29 158 13953 -63.3 -70.3 38 7.0 -63.4 327 31 355.7 355.7 297.8 355.8 0.02 30 150 14270 -66.5 -72.5 43 6.0 -66.5 315 27 355.5 355.5 297.8 355.6 0.01 31 148 14351 -66.5 -73.5 37 7.0 -66.5 314 27 356.9 356.9 298.1 356.9 0.01 32 144 14517 -67.7 -72.7 49 5.0 -67.7 313 26 357.6 357.6 298.2 357.7 0.01 33 132 15038 -69.3 -80.3 19 11.0 -69.4 307 24 363.8 363.8 299.4 363.8 0.00 34 101 16603 -77.7 -84.7 31 7.0 -77.7 200 1 376.5 376.5 301.7 376.5 0.00 35 100 16660 -77.1 -84.1 32 7.0 -77.1 200 1 378.8 378.8 302.1 378.8 0.00 36 70 18700 -80.7 -88.7 25 8.0 -80.7 125 23 411.7 411.7 306.7 411.7 0.00 37 68 18863 -81.1 -89.1 25 8.0 -81.1 123 20 414.3 414.3 307.0 414.3 0.00 38 52 20417 -69.9 -87.9 6 18.0 -70.1 145 16 473.4 473.4 312.9 473.4 0.00 39 50 20650 -70.9 -88.9 5 18.0 -71.1 105 24 476.4 476.4 313.2 476.4 0.00 40 45 21277 -69.3 -89.3 4 20.0 -69.5 86 15 494.9 494.9 314.6 494.9 0.00 41 37 22473 -60.1 -86.1 2 26.0 -60.9 81 18 547.0 547.0 317.9 547.0 0.01 42 31 23575 -61.5 -86.5 2 25.0 -62.3 71 24 571.6 571.6 319.2 571.6 0.01 43 30 23780 -57.5 -86.5 1 29.0 -58.7 55 26 587.9 587.9 320.0 587.9 0.01 44 29 23995 -55.7 -85.7 1 30.0 -57.2 54 26 598.6 598.6 320.6 598.6 0.01 45 24 25197 -56.9 -84.9 2 28.0 -58.5 55 18 628.4 628.4 321.9 628.5 0.01 46 21 26051 -52.9 -83.9 1 31.0 -55.5 69 20 664.9 664.9 323.2 665.0 0.02 TRP 101 16603 -77.7 -84.7 31 7.0 -77.7 200 1 376.5 376.5 301.7 376.5 0.00 WND Sounding variables and indices 1000-500 mb thick: 5783.00 m Freezing level: 581.32 mb = 4741.39 m = 15555.57 ft Wetbulb zero: 588.33 mb = 4574.65 m = 15008.52 ft Precipitable water: 2.14 inches Sfc-500 mean rel hum: 86.02 % Est. max temperature: 33.13 C = 91.64 F Sfc-Lift cond lev (LCL): 980.10 mb = 277.22 m = 909.51 ft T: 22.50 C 700-500 lapse rate: 5.71 C/km ThetaE index: 11.80 C Layer 966.0- 928.0 mb Conv cond level (CCL): 786.72 mb = 2172.68 m = 7128.12 ft Mean mixing ratio: 14.55 g/kg Conv temperature: 34.95 C = 94.92 F Cap Strength: 4.07 C Lifted Index: -1.23 C Risk: Thunderstorms probable Lifted Index @300 mb: 1.28 C Lifted Index @700 mb: 0.32 C Showalter Index: -2.11 C Risk: Severe thunderstorms possible Total Totals Index: 47.70 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 25.90 C Cross Totals Index: 21.80 C K Index: 40.30 Risk: > 80 % chance of thunderstorms Sweat Index: 227.80 Risk: None Energy Index: -1.71 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 208.98 J/kg Max Up Vert Vel: 20.44 m/s Conv Inhibition (B-): 188.40 J/kg Cap Strength: 4.07 C Lift Cond Lev (LCL): 871.84 mb = 1294.94 m = 4248.45 ft Lev Free Conv (LFC): 686.84 mb = 3320.75 m = 10894.71 ft Equ Level (EL): 416.84 mb = 7285.75 m = 23903.10 ft B at Equ Level: 205.24 J/kg Max Parcel Lev (MPL): 236.84 mb = 11348.17 m = 37231.08 ft Wind level data Storm motion: 345 at 9 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 ---------------------------------------------------------- 0 984 243 130 3 -2.3 1.9 | 157 12 -4.6 10.9 1 977 305 115 3 -2.7 1.3 | 154 11 -5.0 10.2 2 943 610 185 2 0.2 2.0 | 169 11 -2.1 10.9 3 925 778 335 7 3.0 -6.3 | 194 3 0.6 2.6 4 911 914 325 10 5.7 -8.2 | 258 4 3.4 0.8 5 850 1516 325 12 6.9 -9.8 | 281 5 4.6 -0.9 6 849 1524 325 12 6.9 -9.8 | 281 5 4.6 -0.9 7 790 2134 305 10 8.2 -5.7 | 241 7 5.9 3.2 8 762 2438 305 11 9.0 -6.3 | 249 7 6.7 2.6 9 736 2743 290 11 10.3 -3.8 | 237 10 8.0 5.2 10 700 3164 315 11 7.8 -7.8 | 258 6 5.5 1.2 11 684 3353 325 11 6.3 -9.0 | 271 4 4.0 -0.1 12 634 3962 320 18 11.6 -13.8 | 298 10 9.3 -4.8 13 611 4267 325 18 10.3 -14.7 | 306 10 8.0 -5.8 14 588 4572 335 20 8.5 -18.1 | 326 11 6.1 -9.2 15 566 4877 340 15 5.1 -14.1 | 331 6 2.8 -5.2 16 525 5486 290 13 12.2 -4.4 | 246 11 9.9 4.5 17 500 5880 290 13 12.2 -4.4 | 246 11 9.9 4.5 18 486 6096 290 13 12.2 -4.4 | 246 11 9.9 4.5 19 467 6401 290 13 12.2 -4.4 | 246 11 9.9 4.5 20 449 6706 300 12 10.4 -6.0 | 250 9 8.1 2.9 21 432 7010 275 13 13.0 -1.1 | 234 13 10.6 7.8 22 400 7600 265 9 9.0 0.8 | 214 12 6.6 9.7 23 399 7620 260 10 9.8 1.7 | 215 13 7.5 10.7 24 367 8230 330 5 2.5 -4.3 | 182 5 0.2 4.6 25 300 9710 360 7 -0.0 -7.0 | 130 3 -2.3 1.9 26 285 10058 20 12 -4.1 -11.3 | 70 7 -6.4 -2.3 27 273 10363 15 10 -2.6 -9.7 | 82 5 -4.9 -0.7 28 261 10668 310 10 7.7 -6.4 | 245 6 5.3 2.5 29 250 10980 300 13 11.3 -6.5 | 255 9 8.9 2.4 30 239 11278 300 13 11.3 -6.5 | 255 9 8.9 2.4 31 228 11582 325 17 9.8 -13.9 | 304 9 7.4 -5.0 32 200 12470 320 24 15.4 -18.4 | 306 16 13.1 -9.4 33 190 12802 310 22 16.9 -14.1 | 290 15 14.5 -5.2 34 172 13411 335 31 13.1 -28.1 | 331 22 10.8 -19.2 35 164 13716 335 34 14.4 -30.8 | 331 25 12.1 -21.9 36 150 14270 315 27 19.1 -19.1 | 301 20 16.8 -10.1 37 127 15240 305 23 18.8 -13.2 | 284 17 16.5 -4.2 38 121 15545 330 17 8.5 -14.7 | 313 8 6.2 -5.8 39 115 15850 305 11 9.0 -6.3 | 249 7 6.7 2.6 40 103 16459 150 11 -5.5 9.5 | 157 20 -7.8 18.5 41 101 16603 200 1 0.3 0.9 | 169 10 -2.0 9.9 42 100 16660 200 1 0.3 0.9 | 169 10 -2.0 9.9 43 98 16764 200 1 0.3 0.9 | 169 10 -2.0 9.9 44 88 17374 140 15 -9.6 11.5 | 150 24 -12.0 20.4 45 84 17678 140 21 -13.5 16.1 | 148 30 -15.8 25.0 46 75 18288 110 18 -16.9 6.2 | 128 24 -19.2 15.1 47 71 18593 135 18 -12.7 12.7 | 145 26 -15.0 21.7 48 70 18700 125 23 -18.8 13.2 | 136 31 -21.2 22.1 49 64 19202 120 15 -13.0 7.5 | 137 22 -15.3 16.4 50 61 19507 160 16 -5.5 15.0 | 162 25 -7.8 24.0 51 58 19812 130 29 -22.2 18.6 | 138 37 -24.5 27.6 52 55 20117 125 14 -11.5 8.0 | 141 22 -13.8 17.0 53 52 20422 145 16 -9.2 13.1 | 152 25 -11.5 22.1 54 50 20650 105 24 -23.2 6.2 | 121 30 -25.5 15.2 55 47 21031 90 28 -28.0 0.0 | 106 32 -30.3 8.9 56 45 21336 85 13 -13.0 -1.1 | 117 17 -15.3 7.8 57 43 21641 125 24 -19.7 13.8 | 136 32 -22.0 22.7 58 40 21946 95 29 -28.9 2.5 | 110 33 -31.2 11.5 59 39 22250 85 26 -25.9 -2.3 | 103 29 -28.2 6.7 60 37 22555 80 16 -15.8 -2.8 | 109 19 -18.1 6.2 61 33 23165 105 20 -19.3 5.2 | 123 26 -21.6 14.1 62 30 23780 55 26 -21.3 -14.9 | 76 24 -23.6 -6.0 63 26 24384 50 28 -21.4 -18.0 | 69 25 -23.8 -9.1 64 24 24689 55 18 -14.7 -10.3 | 85 17 -17.1 -1.4 65 19 25603 80 21 -20.7 -3.6 | 103 24 -23.0 5.3 66 18 25908 95 21 -20.9 1.8 | 115 26 -23.2 10.8 67 16 26213 70 26 -24.4 -8.9 | 90 27 -26.7 0.1 Wind Parameters Mean winds (0-6000m): 315.5 at 12.3 knts Storm direction: 345.5 at 9.2 knts Shear (0-3000m) pos: 2.8 neg: 1.1 tot: 4.0 10-3/s Storm rel Dir Shear (0-3000m): 105.8 deg Storm rel helicity (0-3000m) pos: 33.5 neg: -9.7 tot: 23.8 m^2/s^2 ave: 7.9 10^-3 m/s^2 rel: 0.36 Storm rel vorticity (0-3000m) horiz: 5.6 stream: 2.0 10^-3/s Energy-Hel index: 0.03 Bulk Rich Number: 6.94 Bulk Shear: 30.11 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 ------------------------------------------------------------------------------- 500 158 3 164 12| 9.2 0.0 9.2| 21.7 -0.7 21.0 42.0 0.73| 11.7 8.6 1000 327 6 196 4| 7.2 0.0 7.2| 25.3 -0.7 24.7 24.7 0.68| 9.5 6.5 1500 325 8 225 3| 4.8 0.5 5.3| 25.9 -2.5 23.5 15.7 0.57| 7.1 4.0 2000 320 9 235 4| 3.6 1.0 4.6| 26.5 -6.0 20.4 10.2 0.41| 6.1 2.5 2500 315 9 239 5| 2.9 1.4 4.2| 27.4 -9.7 17.8 7.1 0.32| 5.6 1.8 3000 313 9 241 5| 2.8 1.1 4.0| 33.5 -9.7 23.8 7.9 0.36| 5.6 2.0 4000 316 11 259 5| 3.0 0.9 3.9| 42.4 -9.7 32.8 8.2 0.39| 5.4 2.1 5000 321 12 275 5| 2.4 1.5 4.0| 54.4 -22.4 32.0 6.4 0.24| 6.0 1.4 6000 315 12 269 6| 2.0 1.7 3.7| 54.4 -32.3 22.1 3.7 0.16| 5.4 0.8 Wrote GIF file: /home/apache/climate/data/raob//SBFI/skewt/SBFI.skewt.20251229.12.gif