UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025122312.upa.cvt Date: 1200Z 23 DEC 25 Searching for SBFI... Searching the city database file for: SBFI ... Date:1200Z 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 87 SFC 983 243 25.2 23.8 92 1.4 24.2 60 2 299.8 303.3 297.9 356.1 19.21 2 962 431 23.4 21.8 91 1.6 22.3 29 8 299.9 303.0 296.8 350.6 17.34 3 925 773 23.8 19.5 77 4.3 20.8 345 14 303.6 306.5 296.6 350.0 15.61 4 918 840 24.6 18.6 69 6.0 20.4 343 16 305.1 307.9 296.5 349.5 14.85 5 881 1200 22.8 14.8 61 8.0 17.4 342 21 306.9 309.1 295.1 343.3 12.10 6 850 1511 21.0 14.0 64 7.0 16.3 345 23 308.1 310.4 295.3 344.2 11.91 7 779 2260 15.2 13.0 87 2.2 13.7 350 25 309.7 312.0 295.9 346.8 12.18 8 700 3160 9.6 6.3 80 3.3 7.6 350 24 313.1 314.8 294.3 339.8 8.59 9 654 3721 5.4 1.9 78 3.5 3.4 347 24 314.5 315.8 293.2 335.6 6.73 10 649 3783 5.6 -3.4 52 9.0 1.1 344 23 315.4 316.3 291.7 330.1 4.59 11 629 4039 4.2 2.5 89 1.7 3.2 338 21 316.7 318.1 294.3 339.8 7.31 12 577 4737 0.4 -6.6 59 7.0 -2.9 328 11 320.1 320.9 292.6 333.3 4.04 13 567 4878 0.0 -1.8 88 1.8 -1.0 331 12 321.3 322.4 294.4 340.4 5.92 14 558 5006 0.0 -4.0 74 4.0 -2.0 334 12 322.7 323.8 294.2 339.4 5.10 15 540 5268 -2.1 -2.3 99 0.2 -2.2 339 14 323.3 324.5 295.0 342.8 6.00 16 531 5402 -1.5 -13.5 39 12.0 -6.4 342 15 325.6 326.1 292.9 334.2 2.54 17 523 5523 -2.3 -6.2 75 3.9 -4.2 344 15 326.0 326.9 294.6 341.3 4.61 18 500 5880 -3.7 -6.7 80 3.0 -5.1 335 22 328.5 329.5 295.3 344.1 4.64 19 491 6023 -4.9 -7.1 85 2.2 -6.0 335 23 328.8 329.7 295.3 344.1 4.58 20 473 6316 -6.5 -13.5 58 7.0 -9.4 342 24 330.3 330.9 294.3 340.1 2.85 21 461 6517 -7.1 -14.1 57 7.0 -9.9 338 24 332.0 332.6 294.7 341.7 2.79 22 450 6705 -8.5 -12.1 75 3.6 -10.0 326 25 332.5 333.2 295.3 344.1 3.36 23 443 6827 -8.9 -20.9 37 12.0 -12.9 328 26 333.5 333.9 294.1 339.4 1.63 24 435 6968 -10.1 -25.1 28 15.0 -14.5 331 26 333.8 334.0 293.8 337.9 1.14 25 410 7422 -13.1 -16.0 79 2.9 -14.2 340 27 335.6 336.1 295.5 345.0 2.68 26 400 7610 -14.1 -16.8 80 2.7 -15.1 340 26 336.7 337.2 295.7 345.7 2.57 27 358 8446 -18.9 -20.1 90 1.2 -19.3 297 13 341.1 341.5 296.4 348.9 2.17 28 305 9621 -27.3 -29.6 81 2.3 -27.8 276 12 345.3 345.5 296.5 349.4 1.08 29 300 9740 -28.1 -30.3 81 2.2 -28.6 275 12 345.8 346.0 296.5 349.7 1.03 30 258 10803 -36.5 -38.4 83 1.9 -36.7 295 13 348.6 348.8 296.8 350.8 0.54 31 250 11020 -38.5 -40.6 80 2.1 -38.7 295 15 348.8 348.9 296.8 350.6 0.44 32 231 11558 -43.3 -45.8 76 2.5 -43.5 290 15 349.5 349.6 296.8 350.6 0.27 33 215 12037 -47.7 -48.8 88 1.1 -47.8 312 16 349.9 350.0 296.8 350.8 0.21 34 204 12381 -50.7 -54.6 63 3.9 -50.8 329 17 350.5 350.5 296.8 351.0 0.11 35 200 12510 -51.7 -53.7 79 2.0 -51.8 335 17 350.9 350.9 297.0 351.4 0.13 36 194 12707 -53.5 -54.8 86 1.3 -53.5 335 17 351.1 351.1 297.0 351.6 0.12 37 191 12807 -54.7 -56.0 85 1.3 -54.8 335 17 350.7 350.8 296.9 351.2 0.10 38 181 13149 -57.7 -65.7 35 8.0 -57.9 340 19 351.3 351.3 297.0 351.4 0.03 39 171 13505 -60.9 -68.9 34 8.0 -61.0 346 22 351.7 351.7 297.0 351.8 0.02 40 161 13877 -63.5 -79.5 10 16.0 -63.6 352 24 353.5 353.5 297.4 353.5 0.00 41 150 14310 -65.3 -78.3 15 13.0 -65.4 15 10 357.6 357.6 298.2 357.6 0.01 42 117 15779 -76.5 -84.5 27 8.0 -76.5 54 14 363.2 363.2 299.3 363.3 0.00 43 107 16297 -73.7 -83.7 20 10.0 -73.7 77 17 377.9 377.9 301.9 378.0 0.00 44 100 16690 -75.5 -84.5 23 9.0 -75.5 40 23 381.9 381.9 302.5 381.9 0.00 45 90 17294 -79.3 -90.3 15 11.0 -79.3 35 17 386.0 386.0 303.2 386.0 0.00 46 71 18630 -81.9 -89.9 24 8.0 -81.9 341 12 407.5 407.5 306.2 407.5 0.00 47 70 18710 -81.5 -89.5 24 8.0 -81.5 70 11 410.0 410.0 306.5 410.0 0.00 48 50 20650 -71.7 -88.7 6 17.0 -71.8 100 22 474.5 474.5 313.0 474.5 0.00 49 42 21691 -67.7 -88.7 3 21.0 -67.9 86 35 508.7 508.7 315.5 508.7 0.00 50 41 21836 -67.9 -89.9 3 22.0 -68.1 89 34 511.7 511.7 315.8 511.7 0.00 51 33 23186 -54.3 -84.3 1 30.0 -55.9 87 41 580.6 580.6 319.7 580.6 0.01 52 30 23800 -52.7 -84.7 1 32.0 -54.7 50 21 601.0 601.0 320.6 601.0 0.01 53 20 26410 -53.1 -84.1 1 31.0 -55.8 55 15 673.6 673.6 323.6 673.8 0.02 54 19 26742 -51.9 -83.9 1 32.0 -54.9 53 17 687.3 687.3 324.0 687.5 0.02 55 15 28266 -54.1 -84.1 1 30.0 -57.1 96 18 728.1 728.1 325.3 728.3 0.02 TRP 90 17294 -79.3 -90.3 15 11.0 -79.3 35 17 386.0 386.0 303.2 386.0 0.00 WND Sounding variables and indices 1000-500 mb thick: 5793.00 m Freezing level: 558.00 mb = 5006.26 m = 16424.53 ft Wetbulb zero: 601.59 mb = 4399.70 m = 14434.54 ft Precipitable water: 2.11 inches Sfc-500 mean rel hum: 76.31 % Est. max temperature: 33.86 C = 92.94 F Sfc-Lift cond lev (LCL): 963.60 mb = 416.97 m = 1367.98 ft T: 23.54 C 700-500 lapse rate: 4.89 C/km ThetaE index: 16.72 C Layer 700.0- 629.0 mb Conv cond level (CCL): 804.93 mb = 1978.87 m = 6492.27 ft Mean mixing ratio: 15.69 g/kg Conv temperature: 34.47 C = 94.04 F Cap Strength: 3.81 C Lifted Index: -0.61 C Risk: Thunderstorms probable Lifted Index @300 mb: 0.47 C Lifted Index @700 mb: -0.91 C Showalter Index: 1.44 C Risk: Showers probable Total Totals Index: 42.40 C Risk: None Vertical Totals Index: 24.70 C Cross Totals Index: 17.70 C K Index: 35.40 Risk: > 80 % chance of thunderstorms Sweat Index: 236.00 Risk: None Energy Index: -0.10 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 283.66 J/kg Max Up Vert Vel: 23.82 m/s Conv Inhibition (B-): 129.70 J/kg Cap Strength: 3.81 C Lift Cond Lev (LCL): 877.19 mb = 1237.21 m = 4059.04 ft Lev Free Conv (LFC): 742.19 mb = 2667.45 m = 8751.35 ft Equ Level (EL): 352.19 mb = 8565.51 m = 28101.73 ft B at Equ Level: 283.25 J/kg Max Parcel Lev (MPL): 142.19 mb = 14626.18 m = 47985.56 ft Wind level data Storm motion: 15 at 14 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 ---------------------------------------------------------- 0 983 243 60 2 -1.7 -1.0 | 189 13 2.1 12.9 1 943 610 360 14 -0.0 -14.0 | 271 4 3.8 -0.1 2 925 773 345 14 3.6 -13.5 | 267 7 7.5 0.4 3 910 914 340 19 6.5 -17.9 | 291 11 10.3 -3.9 4 850 1511 345 23 6.0 -22.2 | 310 13 9.8 -8.3 5 790 2134 350 25 4.3 -24.6 | 323 13 8.2 -10.7 6 762 2438 350 25 4.3 -24.6 | 323 13 8.2 -10.7 7 700 3160 350 24 4.2 -23.6 | 321 13 8.0 -9.7 8 658 3658 350 24 4.2 -23.6 | 321 13 8.0 -9.7 9 634 3962 335 22 9.3 -19.9 | 295 14 13.1 -6.0 10 610 4267 350 16 2.8 -15.8 | 286 7 6.6 -1.8 11 588 4572 325 10 5.7 -8.2 | 239 11 9.6 5.7 12 506 5791 350 17 3.0 -16.7 | 293 7 6.8 -2.8 13 500 5880 335 22 9.3 -19.9 | 295 14 13.1 -6.0 14 486 6096 335 23 9.7 -20.8 | 297 15 13.6 -6.9 15 468 6401 345 24 6.2 -23.2 | 313 14 10.1 -9.3 16 449 6706 325 25 14.3 -20.5 | 290 19 18.2 -6.6 17 416 7315 340 28 9.6 -26.3 | 313 18 13.4 -12.4 18 400 7610 340 26 8.9 -24.4 | 310 17 12.7 -10.5 19 383 7925 340 23 7.9 -21.6 | 303 14 11.7 -7.7 20 368 8230 330 16 8.0 -13.9 | 270 12 11.8 0.1 21 353 8534 280 12 11.8 -2.1 | 233 20 15.7 11.8 22 300 9740 275 12 12.0 -1.0 | 231 20 15.8 12.9 23 299 9754 260 11 10.8 1.9 | 223 22 14.7 15.8 24 287 10058 280 10 9.8 -1.7 | 228 18 13.7 12.2 25 263 10668 295 12 10.9 -5.1 | 239 17 14.7 8.8 26 250 11020 295 15 13.6 -6.3 | 247 19 17.4 7.6 27 230 11582 290 15 14.1 -5.1 | 244 20 17.9 8.8 28 200 12510 335 17 7.2 -15.4 | 278 11 11.0 -1.5 29 191 12802 335 17 7.2 -15.4 | 278 11 11.0 -1.5 30 157 14021 355 25 2.2 -24.9 | 331 13 6.0 -11.0 31 150 14310 15 10 -2.6 -9.7 | 196 4 1.3 4.3 32 142 14630 35 8 -4.6 -6.6 | 174 7 -0.7 7.4 33 128 15240 50 14 -10.7 -9.0 | 126 8 -6.9 4.9 34 115 15850 55 14 -11.5 -8.0 | 128 10 -7.6 5.9 35 110 16154 90 15 -15.0 0.0 | 141 18 -11.2 13.9 36 100 16690 40 23 -14.8 -17.6 | 71 12 -10.9 -3.7 37 94 17069 40 25 -16.1 -19.2 | 67 13 -12.2 -5.2 38 90 17294 35 17 -9.8 -13.9 | 90 6 -5.9 -0.0 39 89 17374 35 15 -8.6 -12.3 | 109 5 -4.8 1.6 40 84 17678 35 17 -9.8 -13.9 | 90 6 -5.9 -0.0 41 80 17983 5 16 -1.4 -15.9 | 310 3 2.4 -2.0 42 75 18288 350 25 4.3 -24.6 | 323 13 8.2 -10.7 43 71 18593 300 13 11.3 -6.5 | 244 17 15.1 7.4 44 70 18710 70 11 -10.3 -3.8 | 147 12 -6.5 10.1 45 68 18898 70 11 -10.3 -3.8 | 147 12 -6.5 10.1 46 61 19507 55 30 -24.6 -17.2 | 81 21 -20.7 -3.3 47 58 19812 45 24 -17.0 -17.0 | 77 13 -13.1 -3.1 48 52 20422 95 14 -13.9 1.2 | 146 18 -10.1 15.1 49 50 20650 100 22 -21.7 3.8 | 135 25 -17.8 17.7 50 47 21031 105 26 -25.1 6.7 | 134 30 -21.3 20.6 51 45 21336 80 38 -37.4 -6.6 | 102 34 -33.6 7.3 52 39 22250 95 31 -30.9 2.7 | 122 32 -27.0 16.6 53 35 22860 80 40 -39.4 -6.9 | 101 36 -35.5 7.0 54 33 23165 90 43 -43.0 0.0 | 110 42 -39.2 13.9 55 30 23800 50 21 -16.1 -13.5 | 92 12 -12.2 0.4 56 29 24079 50 26 -19.9 -16.7 | 80 16 -16.1 -2.8 57 26 24689 65 5 -4.5 -2.1 | 177 12 -0.7 11.8 58 23 25603 70 12 -11.3 -4.1 | 143 12 -7.4 9.8 59 22 25908 60 15 -13.0 -7.5 | 125 11 -9.1 6.4 60 21 26213 80 15 -14.8 -2.6 | 136 16 -10.9 11.3 61 20 26410 55 15 -12.3 -8.6 | 122 10 -8.4 5.3 62 18 26822 50 19 -14.6 -12.2 | 99 11 -10.7 1.7 63 16 27127 100 15 -14.8 2.6 | 147 20 -10.9 16.5 64 11 28651 80 27 -26.6 -4.7 | 112 25 -22.7 9.2 Wind Parameters Mean winds (0-6000m): 345.4 at 19.2 knts Storm direction: 15.4 at 14.4 knts Shear (0-3000m) pos: 0.8 neg: 3.4 tot: 4.2 10-3/s Storm rel Dir Shear (0-3000m): 131.2 deg Storm rel helicity (0-3000m) pos: 35.9 neg: -7.5 tot: 28.4 m^2/s^2 ave: 9.5 10^-3 m/s^2 rel: 0.44 Storm rel vorticity (0-3000m) horiz: 5.4 stream: 2.4 10^-3/s Energy-Hel index: 0.06 Bulk Rich Number: 19.97 Bulk Shear: 14.21 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 1 10 220 6| 0.0 13.9 13.9| 5.6 -5.9 -0.3 -0.6 0.24| 18.5 4.4 1000 348 14 269 7| 0.0 10.7 10.7| 20.3 -5.9 14.4 14.4 0.39| 13.3 5.1 1500 347 17 289 8| 1.0 7.2 8.2| 29.7 -5.9 23.8 15.9 0.44| 9.9 4.4 2000 347 19 300 9| 1.2 5.4 6.6| 35.9 -5.9 30.1 15.0 0.47| 7.9 3.8 2500 348 20 306 10| 1.0 4.2 5.2| 35.9 -6.6 29.4 11.7 0.46| 6.4 3.0 3000 348 21 309 10| 0.8 3.4 4.2| 35.9 -7.5 28.4 9.5 0.44| 5.4 2.4 4000 348 21 309 11| 0.6 2.5 3.2| 35.9 -31.4 4.5 1.1 0.16| 5.8 0.9 5000 346 19 300 10| 0.6 1.6 2.2| 46.0 -47.5 -1.6 -0.3 0.07| 5.9 0.4 6000 345 19 299 10| 0.7 2.0 2.7| 65.3 -47.9 17.4 2.9 0.15| 6.1 0.9 Wrote GIF file: /home/apache/climate/data/raob//SBFI/skewt/SBFI.skewt.20251223.12.gif