UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025122300.upa.cvt Date: 0000Z 23 DEC 25 Searching for SBFI... Searching the city database file for: SBFI ... Date:0000Z 23 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 77 SFC 982 243 23.2 22.4 95 0.8 22.6 100 3 297.9 301.1 296.4 349.1 17.63 2 969 358 25.0 19.0 69 6.0 20.8 22 10 300.8 303.5 295.1 343.2 14.42 3 926 751 22.4 18.4 78 4.0 19.6 356 17 302.1 304.8 295.5 345.0 14.53 4 925 760 22.4 18.2 77 4.2 19.5 355 17 302.2 304.9 295.4 344.6 14.36 5 919 817 23.0 18.0 73 5.0 19.5 355 17 303.4 306.0 295.7 345.7 14.27 6 850 1498 21.0 14.0 64 7.0 16.3 350 20 308.1 310.4 295.3 344.2 11.91 7 827 1736 21.0 12.0 56 9.0 15.1 343 17 310.6 312.6 295.1 343.4 10.72 8 700 3153 10.2 7.4 83 2.8 8.5 10 23 313.8 315.6 295.0 342.6 9.27 9 689 3285 8.8 7.0 88 1.8 7.7 16 19 313.6 315.4 294.8 342.1 9.17 10 578 4722 0.6 0.4 99 0.2 0.5 334 15 320.2 321.5 294.8 342.1 6.84 11 550 5122 -0.7 -5.7 69 5.0 -3.1 323 16 323.3 324.1 293.9 338.2 4.55 12 531 5402 -2.7 -2.9 99 0.2 -2.8 326 17 324.1 325.3 295.1 343.2 5.83 13 522 5538 -2.5 -7.1 71 4.6 -4.7 327 17 326.0 326.8 294.4 340.3 4.30 14 502 5848 -4.5 -10.5 63 6.0 -7.1 330 18 327.2 327.9 294.0 338.7 3.43 15 500 5880 -4.7 -10.7 63 6.0 -7.3 330 18 327.3 328.0 294.0 338.7 3.38 16 483 6151 -6.5 -8.9 83 2.4 -7.6 323 21 328.3 329.2 294.8 342.0 4.04 17 469 6380 -7.3 -14.3 57 7.0 -10.1 311 19 330.1 330.7 294.1 339.4 2.70 18 429 7067 -11.5 -19.5 52 8.0 -14.2 313 25 333.3 333.7 294.3 340.0 1.90 19 417 7284 -12.5 -14.7 84 2.2 -13.3 314 26 334.7 335.3 295.5 345.0 2.93 20 400 7600 -14.3 -16.0 87 1.7 -14.9 315 29 336.4 337.0 295.7 346.1 2.75 21 397 7657 -14.3 -15.9 88 1.6 -14.9 314 30 337.1 337.7 296.0 347.0 2.79 22 383 7929 -15.7 -18.0 82 2.3 -16.5 308 27 338.8 339.3 296.1 347.4 2.42 23 300 9730 -27.7 -30.9 74 3.2 -28.3 300 18 346.3 346.5 296.7 350.0 0.97 24 292 9925 -29.1 -32.4 73 3.3 -29.7 311 18 347.0 347.2 296.7 350.4 0.86 25 250 11020 -37.7 -41.8 65 4.1 -38.2 290 19 350.0 350.1 297.0 351.6 0.39 26 246 11130 -38.9 -42.8 66 3.9 -39.3 290 19 349.8 349.9 296.9 351.3 0.36 27 201 12478 -49.7 -56.7 44 7.0 -50.0 296 10 353.6 353.6 297.5 353.9 0.09 28 200 12510 -50.3 -57.3 43 7.0 -50.5 300 10 353.1 353.1 297.4 353.5 0.08 29 190 12843 -53.3 -58.1 56 4.8 -53.5 295 11 353.5 353.5 297.4 353.9 0.08 30 185 13014 -55.1 -61.1 47 6.0 -55.2 292 12 353.3 353.3 297.4 353.5 0.06 31 153 14200 -65.3 -74.3 28 9.0 -65.4 310 14 355.6 355.6 297.8 355.6 0.01 32 150 14320 -66.1 -75.1 27 9.0 -66.2 320 15 356.2 356.2 298.0 356.3 0.01 33 136 14911 -69.1 -72.1 65 3.0 -69.1 331 16 361.0 361.0 298.9 361.1 0.02 34 116 15849 -75.3 -82.3 33 7.0 -75.3 348 22 366.4 366.4 299.9 366.4 0.00 35 101 16652 -75.7 -93.7 4 18.0 -75.7 30 22 380.4 380.4 302.3 380.4 0.00 36 100 16710 -75.9 -92.9 5 17.0 -75.9 35 22 381.1 381.1 302.4 381.1 0.00 37 81 17904 -82.7 -91.7 20 9.0 -82.7 65 18 390.8 390.8 303.9 390.8 0.00 38 76 18260 -80.7 -90.7 17 10.0 -80.7 32 22 402.2 402.2 305.5 402.2 0.00 39 70 18720 -83.1 -90.1 29 7.0 -83.1 20 5 406.6 406.6 306.1 406.6 0.00 40 68 18882 -83.7 -90.7 28 7.0 -83.7 6 13 408.7 408.7 306.3 408.7 0.00 41 61 19492 -79.9 -89.9 17 10.0 -79.9 65 34 430.0 430.0 308.9 430.1 0.00 42 56 19989 -70.3 -92.3 3 22.0 -70.4 53 29 462.6 462.6 312.0 462.6 0.00 43 51 20550 -67.1 -92.1 2 25.0 -67.3 46 18 482.6 482.6 313.7 482.6 0.00 44 50 20670 -67.3 -91.3 2 24.0 -67.5 45 15 484.9 484.9 313.8 484.9 0.00 45 38 22329 -66.3 -91.3 2 25.0 -66.7 111 12 527.0 527.0 316.8 527.0 0.00 46 33 23194 -61.1 -90.1 1 29.0 -61.9 105 19 562.5 562.5 318.8 562.5 0.00 TRP 81 17904 -82.7 -91.7 20 9.0 -82.7 65 18 390.8 390.8 303.9 390.8 0.00 WND Sounding variables and indices 1000-500 mb thick: 5803.00 m Freezing level: 565.08 mb = 4906.59 m = 16097.54 ft Wetbulb zero: 574.23 mb = 4774.89 m = 15665.47 ft Precipitable water: 2.08 inches Sfc-500 mean rel hum: 78.27 % Est. max temperature: 35.28 C = 95.51 F Sfc-Lift cond lev (LCL): 970.98 mb = 340.63 m = 1117.53 ft T: 24.72 C 700-500 lapse rate: 5.46 C/km ThetaE index: 5.90 C Layer 969.0- 926.0 mb Conv cond level (CCL): 753.33 mb = 2528.82 m = 8296.56 ft Mean mixing ratio: 14.33 g/kg Conv temperature: 37.65 C = 99.76 F Cap Strength: 5.51 C Lifted Index: 0.14 C Risk: Showers probable Lifted Index @300 mb: 3.51 C Lifted Index @700 mb: 1.04 C Showalter Index: 0.44 C Risk: Thunderstorms probable Total Totals Index: 44.40 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 25.70 C Cross Totals Index: 18.70 C K Index: 36.90 Risk: > 80 % chance of thunderstorms Sweat Index: 226.00 Risk: None Energy Index: -1.06 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 53.14 J/kg Max Up Vert Vel: 10.31 m/s Conv Inhibition (B-): 269.01 J/kg Cap Strength: 5.48 C Lift Cond Lev (LCL): 865.90 mb = 1336.26 m = 4384.00 ft Lev Free Conv (LFC): 660.90 mb = 3625.60 m = 11894.86 ft Equ Level (EL): 520.90 mb = 5555.19 m = 18225.47 ft B at Equ Level: 52.30 J/kg Max Parcel Lev (MPL): 380.90 mb = 7969.46 m = 26146.21 ft Wind level data Storm motion: 20 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 ---------------------------------------------------------- 0 982 243 100 3 -3.0 0.5 | 186 13 1.4 12.8 1 975 305 25 9 -3.8 -8.2 | 188 4 0.6 4.2 2 941 610 10 12 -2.1 -11.8 | 258 2 2.3 0.5 3 925 760 355 17 1.5 -16.9 | 308 7 5.9 -4.6 4 909 914 355 18 1.6 -17.9 | 313 8 6.0 -5.6 5 850 1498 350 20 3.5 -19.7 | 313 11 7.9 -7.4 6 847 1524 360 16 -0.0 -16.0 | 310 6 4.4 -3.7 7 818 1829 335 17 7.2 -15.4 | 285 12 11.6 -3.1 8 789 2134 350 18 3.1 -17.7 | 306 9 7.5 -5.4 9 761 2438 350 18 3.1 -17.7 | 306 9 7.5 -5.4 10 734 2743 345 22 5.7 -21.3 | 312 13 10.1 -8.9 11 700 3153 10 23 -4.0 -22.7 | 358 10 0.4 -10.3 12 683 3353 20 17 -5.8 -16.0 | 21 4 -1.4 -3.7 13 610 4267 5 18 -1.6 -17.9 | 333 6 2.8 -5.6 14 588 4572 345 14 3.6 -13.5 | 279 8 8.0 -1.2 15 566 4877 320 16 10.3 -12.3 | 270 15 14.7 0.1 16 506 5791 330 17 8.5 -14.7 | 281 13 12.9 -2.4 17 500 5880 330 18 9.0 -15.6 | 284 14 13.4 -3.3 18 486 6096 325 21 12.0 -17.2 | 287 17 16.4 -4.9 19 467 6401 310 19 14.6 -12.2 | 270 19 18.9 0.1 20 400 7600 315 29 20.5 -20.5 | 288 26 24.9 -8.2 21 399 7620 315 30 21.2 -21.2 | 289 27 25.6 -8.9 22 367 8230 300 24 20.8 -12.0 | 269 25 25.2 0.3 23 325 9144 315 23 16.3 -16.3 | 281 21 20.7 -4.0 24 300 9730 300 18 15.6 -9.0 | 261 20 20.0 3.3 25 299 9754 295 19 17.2 -8.0 | 259 22 21.6 4.3 26 286 10058 325 18 10.3 -14.7 | 279 15 14.7 -2.4 27 263 10668 280 18 17.7 -3.1 | 247 24 22.1 9.2 28 250 11020 290 19 17.9 -6.5 | 255 23 22.2 5.8 29 241 11278 290 19 17.9 -6.5 | 255 23 22.2 5.8 30 230 11582 280 11 10.8 -1.9 | 236 18 15.2 10.4 31 220 11887 260 11 10.8 1.9 | 227 21 15.2 14.2 32 210 12192 265 8 8.0 0.7 | 224 18 12.4 13.0 33 200 12510 300 10 8.7 -5.0 | 241 15 13.0 7.3 34 173 13411 285 13 12.6 -3.4 | 242 19 16.9 8.9 35 157 14021 295 13 11.8 -5.5 | 247 18 16.2 6.8 36 150 14320 320 15 9.6 -11.5 | 267 14 14.0 0.8 37 150 14326 325 11 6.3 -9.0 | 253 11 10.7 3.3 38 142 14630 320 15 9.6 -11.5 | 267 14 14.0 0.8 39 128 15240 345 17 4.4 -16.4 | 295 10 8.8 -4.1 40 110 16154 350 24 4.2 -23.6 | 323 14 8.6 -11.3 41 100 16710 35 22 -12.6 -18.0 | 55 10 -8.2 -5.7 42 94 17069 35 22 -12.6 -18.0 | 55 10 -8.2 -5.7 43 89 17374 60 6 -5.2 -3.0 | 175 9 -0.8 9.3 44 84 17678 95 10 -10.0 0.9 | 157 14 -5.6 13.2 45 81 17904 65 18 -16.3 -7.6 | 112 13 -11.9 4.7 46 80 17983 105 12 -11.6 3.1 | 155 17 -7.2 15.4 47 76 18288 25 23 -9.7 -20.8 | 32 10 -5.3 -8.5 48 72 18593 15 24 -6.2 -23.2 | 10 11 -1.8 -10.9 49 70 18720 20 5 -1.7 -4.7 | 199 8 2.7 7.6 50 68 18898 5 13 -1.1 -13.0 | 281 3 3.3 -0.6 51 64 19202 85 15 -14.9 -1.3 | 136 15 -10.6 11.0 52 61 19507 65 34 -30.8 -14.4 | 86 27 -26.4 -2.1 53 55 20117 50 28 -21.4 -18.0 | 72 18 -17.1 -5.7 54 50 20670 45 15 -10.6 -10.6 | 105 6 -6.2 1.7 55 49 20726 65 17 -15.4 -7.2 | 115 12 -11.0 5.1 56 46 21031 45 15 -10.6 -10.6 | 105 6 -6.2 1.7 57 43 21336 80 19 -18.7 -3.3 | 122 17 -14.3 9.0 58 38 21946 110 12 -11.3 4.1 | 157 18 -6.9 16.4 59 36 22250 120 13 -11.3 6.5 | 160 20 -6.9 18.8 60 30 23165 85 28 -27.9 -2.4 | 113 25 -23.5 9.9 61 28 23470 80 26 -25.6 -4.5 | 110 23 -21.2 7.8 Wind Parameters Mean winds (0-6000m): 349.6 at 17.4 knts Storm direction: 19.6 at 13.1 knts Shear (0-3000m) pos: 2.2 neg: 3.9 tot: 6.1 10-3/s Storm rel Dir Shear (0-3000m): 179.0 deg Storm rel helicity (0-3000m) pos: 51.7 neg: -9.5 tot: 42.2 m^2/s^2 ave: 14.1 10^-3 m/s^2 rel: 0.34 Storm rel vorticity (0-3000m) horiz: 9.5 stream: 3.2 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 5.49 Bulk Shear: 9.67 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 13 11 230 3| 0.0 17.9 17.9| 5.8 0.0 5.8 11.7 0.37| 19.0 7.1 1000 1 15 298 5| 0.0 10.4 10.4| 7.4 -0.0 7.4 7.4 0.36| 11.1 4.0 1500 357 16 303 6| 0.0 6.3 6.3| 7.4 -6.8 0.6 0.4 0.14| 10.9 1.5 2000 353 16 301 7| 0.7 4.7 5.4| 17.6 -9.5 8.1 4.0 0.19| 9.8 1.9 2500 352 17 303 8| 0.6 4.7 5.2| 20.8 -9.5 11.3 4.5 0.20| 8.7 1.7 3000 354 18 310 8| 2.2 3.9 6.1| 51.7 -9.5 42.2 14.1 0.34| 9.5 3.2 4000 359 18 319 7| 1.6 3.0 4.6| 53.6 -14.4 39.3 9.8 0.26| 8.1 2.1 5000 355 17 310 8| 1.3 3.0 4.3| 56.9 -31.6 25.3 5.1 0.11| 8.0 0.9 6000 350 17 303 9| 1.2 2.9 4.0| 67.7 -43.0 24.7 4.1 0.11| 7.4 0.8 Wrote GIF file: /home/apache/climate/data/raob//SBFI/skewt/SBFI.skewt.20251223.00.gif