UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025122900.upa.cvt Date: 0000Z 29 DEC 25 Searching for SBFI... Searching the city database file for: SBFI ... Date:0000Z 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 78 SFC 982 243 25.8 23.1 85 2.7 23.8 20 3 300.5 303.9 297.6 354.6 18.42 2 970 351 28.4 21.4 66 7.0 23.3 11 11 304.2 307.3 297.5 354.1 16.77 3 925 770 26.2 20.2 70 6.0 21.9 315 7 306.1 309.1 297.7 355.1 16.32 4 850 1513 21.2 15.2 69 6.0 17.1 300 9 308.4 310.8 296.0 347.4 12.89 5 700 3165 10.0 8.5 90 1.5 9.0 280 14 313.6 315.5 295.4 344.6 10.01 6 683 3369 8.4 7.2 92 1.2 7.6 298 14 314.0 315.8 295.1 343.2 9.38 7 592 4539 1.8 -1.5 79 3.3 0.0 307 17 319.4 320.6 293.9 338.1 5.80 8 579 4718 0.4 -0.6 93 1.0 -0.2 309 20 319.8 321.1 294.4 340.2 6.34 9 574 4788 0.4 -2.5 81 2.9 -1.1 309 21 320.6 321.7 294.0 338.6 5.55 10 547 5175 0.0 -7.0 59 7.0 -3.4 296 17 324.6 325.4 293.9 338.3 4.14 11 511 5718 -3.5 -13.5 46 10.0 -7.6 317 19 326.7 327.3 293.3 335.7 2.64 12 500 5890 -4.7 -16.7 38 12.0 -9.2 320 20 327.3 327.7 292.9 334.5 2.07 13 481 6194 -6.1 -29.1 14 23.0 -12.3 312 18 329.2 329.4 292.2 331.8 0.72 14 469 6391 -7.7 -17.7 45 10.0 -11.3 306 15 329.6 330.0 293.5 336.7 2.03 15 456 6608 -9.3 -19.3 44 10.0 -12.7 315 15 330.3 330.7 293.5 336.7 1.82 16 440 6884 -10.5 -27.5 23 17.0 -15.1 320 14 332.2 332.3 293.2 335.5 0.91 17 418 7276 -13.3 -25.3 36 12.0 -16.7 320 12 333.5 333.7 293.7 337.7 1.17 18 407 7479 -14.3 -22.3 51 8.0 -16.7 339 14 334.7 335.1 294.4 340.4 1.57 19 400 7610 -14.7 -27.7 32 13.0 -18.1 355 15 335.9 336.1 294.2 339.5 0.98 20 387 7859 -15.5 -35.5 16 20.0 -19.7 355 15 338.0 338.1 294.3 339.9 0.48 21 371 8176 -17.1 -31.1 29 14.0 -20.4 351 13 340.0 340.2 295.0 342.9 0.77 22 362 8359 -18.9 -26.9 49 8.0 -21.0 345 13 340.0 340.2 295.4 344.3 1.17 23 356 8483 -19.5 -36.5 21 17.0 -22.8 340 12 340.8 340.9 295.0 342.6 0.47 24 343 8758 -21.1 -40.1 16 19.0 -24.3 328 11 342.3 342.4 295.2 343.6 0.34 25 316 9356 -25.9 -30.9 63 5.0 -26.9 337 11 343.7 343.9 296.0 347.2 0.92 26 310 9495 -26.7 -33.7 52 7.0 -28.0 354 11 344.5 344.7 296.0 347.3 0.72 27 300 9730 -28.5 -34.5 56 6.0 -29.6 15 13 345.2 345.4 296.1 347.9 0.68 28 279 10246 -33.3 -38.3 61 5.0 -34.0 28 11 345.5 345.6 296.1 347.5 0.50 29 250 11010 -39.3 -46.3 47 7.0 -39.9 5 10 347.6 347.7 296.3 348.6 0.24 30 237 11374 -42.1 -56.1 20 14.0 -42.9 8 13 348.8 348.8 296.4 349.1 0.08 31 212 12119 -48.1 -63.1 16 15.0 -48.6 14 20 350.7 350.7 296.8 350.9 0.04 32 200 12500 -51.5 -64.5 20 13.0 -51.8 5 22 351.2 351.2 296.9 351.4 0.03 33 191 12797 -54.1 -57.7 64 3.6 -54.2 3 25 351.7 351.7 297.1 352.1 0.08 34 180 13174 -57.5 -60.6 68 3.1 -57.6 1 30 352.2 352.2 297.1 352.4 0.06 35 163 13793 -62.7 -64.8 76 2.1 -62.7 358 29 353.6 353.6 297.4 353.7 0.04 36 150 14300 -66.5 -70.7 55 4.2 -66.5 355 24 355.5 355.5 297.8 355.6 0.02 37 148 14381 -67.1 -72.0 50 4.9 -67.1 355 23 355.9 355.9 297.9 355.9 0.02 38 121 15573 -74.7 -77.5 65 2.8 -74.7 317 9 363.1 363.1 299.3 363.1 0.01 39 105 16390 -77.7 -82.7 44 5.0 -77.7 5 7 372.4 372.4 301.0 372.4 0.00 40 100 16670 -76.9 -83.9 32 7.0 -76.9 345 15 379.1 379.1 302.1 379.2 0.00 41 99 16728 -76.5 -83.5 32 7.0 -76.5 346 15 381.0 381.0 302.4 381.0 0.00 42 85 17603 -78.9 -87.9 22 9.0 -78.9 303 15 393.1 393.1 304.2 393.1 0.00 43 80 17950 -76.9 -86.9 19 10.0 -76.9 233 8 404.1 404.1 305.7 404.1 0.00 44 73 18472 -80.7 -89.7 21 9.0 -80.7 177 9 406.8 406.8 306.1 406.8 0.00 45 70 18710 -78.9 -87.9 22 9.0 -78.9 205 20 415.6 415.6 307.2 415.6 0.00 46 69 18792 -78.9 -87.9 22 9.0 -78.9 202 22 417.3 417.3 307.4 417.3 0.00 47 63 19305 -81.3 -90.3 20 9.0 -81.3 178 26 423.0 423.0 308.0 423.0 0.00 48 60 19582 -76.7 -87.7 16 11.0 -76.7 146 17 439.2 439.2 309.8 439.3 0.00 49 56 19978 -76.7 -88.7 13 12.0 -76.7 109 12 448.0 448.0 310.7 448.0 0.00 50 50 20640 -69.9 -87.9 6 18.0 -70.1 115 18 478.8 478.8 313.4 478.8 0.00 51 48 20885 -66.5 -88.5 3 22.0 -66.8 102 22 492.5 492.5 314.4 492.5 0.00 52 42 21698 -64.3 -88.3 2 24.0 -64.7 78 18 517.1 517.1 316.1 517.1 0.00 53 31 23570 -60.9 -87.9 2 27.0 -61.7 112 15 573.2 573.2 319.3 573.2 0.01 TRP 105 16390 -77.7 -82.7 44 5.0 -77.7 5 7 372.4 372.4 301.0 372.4 0.00 WND Sounding variables and indices 1000-500 mb thick: 5812.00 m Freezing level: 547.00 mb = 5174.96 m = 16978.02 ft Wetbulb zero: 588.89 mb = 4581.57 m = 15031.20 ft Precipitable water: 2.07 inches Sfc-500 mean rel hum: 74.68 % Est. max temperature: 34.20 C = 93.55 F Sfc-Lift cond lev (LCL): 944.57 mb = 585.49 m = 1920.89 ft T: 27.17 C 700-500 lapse rate: 5.39 C/km ThetaE index: 17.01 C Layer 850.0- 579.0 mb Conv cond level (CCL): 799.90 mb = 2029.87 m = 6659.60 ft Mean mixing ratio: 16.12 g/kg Conv temperature: 35.27 C = 95.48 F Cap Strength: 2.63 C Lifted Index: -3.08 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -2.15 C Lifted Index @700 mb: -1.62 C Showalter Index: -0.79 C Risk: Thunderstorms probable Total Totals Index: 45.80 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 25.90 C Cross Totals Index: 19.90 C K Index: 39.60 Risk: > 80 % chance of thunderstorms Sweat Index: 220.40 Risk: None Energy Index: -2.49 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 996.94 J/kg Max Up Vert Vel: 44.65 m/s Conv Inhibition (B-): 82.63 J/kg Cap Strength: 2.63 C Lift Cond Lev (LCL): 852.39 mb = 1488.30 m = 4882.80 ft Lev Free Conv (LFC): 747.39 mb = 2607.59 m = 8554.98 ft Equ Level (EL): 157.39 mb = 14006.35 m = 45952.03 ft B at Equ Level: 989.60 J/kg Max Parcel Lev (MPL): 97.39 mb = 16821.82 m = 55189.03 ft Wind level data Storm motion: 335 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 20 3 -1.0 -2.8 | 140 9 -5.5 6.6 1 975 305 15 11 -2.8 -10.6 | 81 7 -7.3 -1.2 2 942 610 350 8 1.4 -7.9 | 117 3 -3.1 1.5 3 925 770 315 7 4.9 -4.9 | 186 4 0.5 4.5 4 910 914 320 8 5.1 -6.1 | 192 3 0.7 3.3 5 850 1513 300 9 7.8 -4.5 | 214 6 3.3 4.9 6 790 2134 280 11 10.8 -1.9 | 220 10 6.4 7.5 7 762 2438 275 15 14.9 -1.3 | 232 13 10.5 8.1 8 710 3048 280 14 13.8 -2.4 | 233 12 9.3 7.0 9 700 3165 280 14 13.8 -2.4 | 233 12 9.3 7.0 10 659 3658 325 13 7.5 -10.6 | 292 3 3.0 -1.2 11 611 4267 305 13 10.6 -7.5 | 252 7 6.2 2.0 12 567 4877 310 23 17.6 -14.8 | 292 14 13.2 -5.4 13 546 5182 295 17 15.4 -7.2 | 258 11 11.0 2.2 14 506 5791 320 19 12.2 -14.6 | 303 9 7.8 -5.1 15 500 5890 320 20 12.9 -15.3 | 305 10 8.4 -5.9 16 487 6096 315 19 13.4 -13.4 | 294 10 9.0 -4.0 17 468 6401 305 15 12.3 -8.6 | 264 8 7.8 0.8 18 450 6706 320 15 9.6 -11.5 | 292 6 5.2 -2.1 19 416 7315 320 12 7.7 -9.2 | 266 3 3.3 0.2 20 400 7610 355 15 1.3 -14.9 | 30 6 -3.1 -5.5 21 383 7925 355 15 1.3 -14.9 | 30 6 -3.1 -5.5 22 368 8230 350 13 2.3 -12.8 | 33 4 -2.2 -3.4 23 325 9144 310 10 7.7 -6.4 | 227 4 3.2 3.0 24 312 9449 350 11 1.9 -10.8 | 61 3 -2.5 -1.4 25 300 9730 15 13 -3.4 -12.6 | 68 8 -7.8 -3.1 26 286 10058 25 12 -5.1 -10.9 | 81 10 -9.5 -1.5 27 274 10363 30 10 -5.0 -8.7 | 95 9 -9.4 0.8 28 262 10668 360 6 -0.0 -6.0 | 128 6 -4.4 3.4 29 250 11010 5 10 -0.9 -10.0 | 84 5 -5.3 -0.5 30 209 12192 15 21 -5.4 -20.3 | 42 15 -9.9 -10.9 31 200 12500 5 22 -1.9 -21.9 | 27 14 -6.4 -12.5 32 173 13411 360 33 -0.0 -33.0 | 11 24 -4.4 -23.6 33 150 14300 355 24 2.1 -23.9 | 9 15 -2.4 -14.5 34 135 14935 355 19 1.7 -18.9 | 16 10 -2.8 -9.5 35 115 15850 300 4 3.5 -2.0 | 172 7 -1.0 7.4 36 105 16390 5 7 -0.6 -7.0 | 116 6 -5.1 2.4 37 100 16670 345 15 3.9 -14.5 | 6 5 -0.6 -5.1 38 93 17069 355 13 1.1 -13.0 | 43 5 -3.3 -3.5 39 88 17374 325 22 12.6 -18.0 | 316 12 8.2 -8.6 40 84 17678 295 13 11.8 -5.5 | 242 8 7.3 3.9 41 75 18288 155 1 -0.4 0.9 | 155 11 -4.9 10.3 42 70 18710 205 20 8.5 18.1 | 188 28 4.0 27.5 43 64 19202 185 29 2.5 28.9 | 177 38 -1.9 38.3 44 61 19507 165 20 -5.2 19.3 | 161 30 -9.6 28.7 45 58 19812 100 10 -9.8 1.7 | 128 18 -14.3 11.2 46 52 20422 130 17 -13.0 10.9 | 139 27 -17.5 20.3 47 50 20640 115 18 -16.3 7.6 | 129 27 -20.8 17.0 48 49 20726 95 19 -18.9 1.7 | 115 26 -23.4 11.1 49 46 21031 115 28 -25.4 11.8 | 125 37 -29.8 21.2 50 41 21641 65 15 -13.6 -6.3 | 100 18 -18.0 3.1 51 38 21946 100 5 -4.9 0.9 | 138 14 -9.4 10.3 52 34 22555 120 20 -17.3 10.0 | 132 29 -21.8 19.4 53 32 22860 120 16 -13.9 8.0 | 134 25 -18.3 17.4 54 28 23470 60 11 -9.5 -5.5 | 106 15 -14.0 3.9 55 26 23774 170 10 -1.7 9.8 | 162 20 -6.2 19.3 Wind Parameters Mean winds (0-6000m): 304.7 at 13.9 knts Storm direction: 334.7 at 10.4 knts Shear (0-3000m) pos: 0.4 neg: 2.6 tot: 3.1 10-3/s Storm rel Dir Shear (0-3000m): 98.4 deg Storm rel helicity (0-3000m) pos: 20.6 neg: -13.0 tot: 7.6 m^2/s^2 ave: 2.5 10^-3 m/s^2 rel: 0.16 Storm rel vorticity (0-3000m) horiz: 5.5 stream: 0.9 10^-3/s Energy-Hel index: 0.08 Bulk Rich Number: 58.70 Bulk Shear: 16.98 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 ------------------------------------------------------------------------------- 500 359 9 100 4| 0.0 6.4 6.4| 5.9 -13.0 -7.0 -14.1 -0.09| 17.0 -1.5 1000 338 8 142 2| 0.0 4.2 4.2| 7.8 -13.0 -5.2 -5.2 0.02| 9.9 0.2 1500 324 9 194 3| 0.0 3.5 3.5| 9.4 -13.0 -3.6 -2.4 0.07| 7.6 0.5 2000 311 9 215 4| 0.0 3.4 3.4| 12.6 -13.0 -0.4 -0.2 0.10| 6.7 0.7 2500 300 10 225 6| 0.0 3.2 3.2| 17.3 -13.0 4.3 1.7 0.14| 6.1 0.9 3000 295 11 228 7| 0.4 2.6 3.1| 20.6 -13.0 7.6 2.5 0.16| 5.5 0.9 4000 300 11 236 7| 1.4 2.4 3.7| 29.7 -16.5 13.2 3.3 0.17| 5.8 1.0 5000 302 13 248 7| 1.4 2.0 3.4| 44.8 -37.5 7.3 1.5 0.12| 6.3 0.8 6000 305 14 258 7| 1.7 1.8 3.5| 63.9 -47.5 16.4 2.7 0.15| 6.3 0.9 Wrote GIF file: /home/apache/climate/data/raob//SBFI/skewt/SBFI.skewt.20251229.00.gif