UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120912.upa.cvt Date: 1200Z 9 DEC 25 Searching for SBFN... Searching the city database file for: SBFN ... Date:1200Z 9 DEC 25 Station: SBFN WMO ident: 82400 Latitude: -3.85 Longitude: -32.42 Elevation: 56.00 ------------------------------------------------------------------------------- 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 ------------------------------------------------------------------------------- SFC 1008 56 27.8 22.8 74 5.0 24.2 135 4 300.3 303.5 297.0 351.9 17.60 1 1000 129 25.6 22.0 81 3.6 23.0 125 13 298.8 301.8 296.1 347.9 16.87 2 991 209 24.4 21.7 85 2.7 22.5 123 13 298.3 301.4 296.0 346.9 16.71 3 957 514 21.6 21.1 97 0.5 21.3 120 15 298.5 301.5 296.0 347.0 16.68 4 933 735 20.6 17.7 83 2.9 18.6 114 15 299.6 302.2 294.3 339.9 13.79 5 927 791 20.8 16.0 74 4.8 17.6 111 14 300.4 302.7 293.5 336.8 12.43 6 925 810 20.6 15.9 74 4.7 17.4 110 14 300.4 302.6 293.5 336.7 12.38 7 850 1537 16.6 14.6 88 2.0 15.3 55 16 303.5 305.8 294.4 340.3 12.39 8 841 1628 16.0 14.2 89 1.8 14.8 58 16 303.8 306.1 294.3 340.1 12.20 9 743 2677 13.0 -2.0 35 15.0 5.2 83 22 311.5 312.4 290.4 325.5 4.44 10 700 3176 9.0 1.0 57 8.0 4.6 75 19 312.5 313.6 291.9 330.9 5.89 11 699 3188 8.8 0.8 57 8.0 4.5 75 19 312.4 313.5 291.9 330.5 5.81 12 675 3477 8.2 -5.8 36 14.0 1.5 72 19 314.8 315.5 290.7 326.6 3.67 13 662 3637 8.4 -13.6 19 22.0 -0.7 75 17 316.8 317.2 289.8 323.5 2.02 14 614 4254 3.6 -16.4 22 20.0 -4.0 57 11 318.2 318.5 290.0 324.0 1.73 15 589 4591 3.2 -22.8 13 26.0 -5.4 37 7 321.5 321.7 290.3 325.1 1.04 16 503 5853 -4.3 -45.3 2 41.0 -12.0 248 7 327.2 327.3 291.1 327.8 0.13 17 500 5900 -4.5 -36.5 6 32.0 -11.8 240 8 327.6 327.6 291.4 328.8 0.34 18 497 5947 -4.7 -24.7 19 20.0 -10.8 240 8 327.9 328.1 292.2 331.6 1.04 19 467 6431 -8.3 -19.3 41 11.0 -12.1 240 13 329.3 329.6 293.2 335.5 1.78 20 430 7064 -11.9 -29.9 21 18.0 -16.4 241 9 332.6 332.7 293.2 335.3 0.74 21 400 7610 -16.3 -35.3 18 19.0 -20.1 280 11 333.8 333.9 293.2 335.6 0.47 22 320 9251 -29.1 -44.1 22 15.0 -30.9 291 18 338.1 338.1 294.1 339.0 0.24 23 300 9710 -33.1 -45.1 29 12.0 -34.3 295 17 338.7 338.8 294.2 339.6 0.23 24 295 9827 -34.1 -44.1 36 10.0 -35.1 298 17 338.9 339.0 294.3 340.0 0.26 25 294 9851 -34.5 -40.5 54 6.0 -35.2 299 18 338.7 338.8 294.4 340.2 0.38 26 284 10091 -36.1 -48.1 28 12.0 -37.1 305 19 339.8 339.8 294.4 340.5 0.17 27 278 10238 -37.1 -40.1 74 3.0 -37.4 309 19 340.4 340.5 294.8 342.0 0.42 28 269 10464 -38.7 -45.7 48 7.0 -39.3 315 20 341.3 341.4 294.8 342.3 0.24 29 261 10669 -40.5 -49.5 37 9.0 -41.1 320 21 341.6 341.7 294.8 342.3 0.16 30 255 10827 -41.9 -48.9 46 7.0 -42.4 331 20 341.8 341.9 294.9 342.5 0.18 31 253 10880 -42.3 -45.6 70 3.3 -42.6 334 20 342.0 342.1 295.0 343.0 0.26 32 250 10960 -43.1 -51.1 41 8.0 -43.6 340 19 342.0 342.0 294.9 342.6 0.14 33 248 11014 -43.5 -53.5 32 10.0 -44.0 340 19 342.2 342.2 295.0 342.6 0.11 34 241 11207 -45.3 -53.3 40 8.0 -45.7 341 20 342.3 342.3 295.0 342.7 0.11 35 239 11263 -45.7 -51.7 51 6.0 -46.0 341 20 342.5 342.5 295.1 343.1 0.14 36 238 11291 -45.9 -47.9 80 2.0 -46.0 341 20 342.6 342.7 295.1 343.5 0.21 37 231 11490 -47.5 -55.5 39 8.0 -47.9 342 21 343.1 343.1 295.1 343.5 0.09 38 222 11753 -49.7 -52.5 72 2.8 -49.8 343 22 343.7 343.7 295.3 344.2 0.13 39 211 12085 -52.7 -55.0 76 2.3 -52.8 345 23 344.0 344.0 295.4 344.4 0.10 40 200 12430 -55.5 -61.5 47 6.0 -55.6 330 22 344.9 344.9 295.6 345.1 0.05 41 194 12623 -57.3 -59.7 74 2.4 -57.3 326 22 345.0 345.0 295.6 345.3 0.06 42 191 12721 -58.1 -63.1 53 5.0 -58.2 324 22 345.3 345.3 295.6 345.5 0.04 43 172 13371 -63.7 -68.7 50 5.0 -63.7 321 25 346.5 346.5 295.9 346.6 0.02 44 158 13885 -68.5 -73.2 51 4.7 -68.5 327 27 346.9 346.9 296.0 346.9 0.01 45 153 14079 -64.9 -80.9 9 16.0 -65.0 317 32 356.3 356.3 298.0 356.3 0.00 46 150 14200 -65.1 -80.1 11 15.0 -65.2 300 44 357.9 357.9 298.3 358.0 0.00 47 100 16590 -77.3 -88.3 16 11.0 -77.3 250 29 378.4 378.4 302.0 378.4 0.00 48 79 17923 -82.5 -89.5 29 7.0 -82.5 95 6 394.0 394.0 304.4 394.0 0.00 49 70 18600 -81.7 -89.7 24 8.0 -81.7 75 6 409.6 409.6 306.5 409.6 0.00 50 68 18763 -81.5 -90.5 20 9.0 -81.5 72 8 413.4 413.4 306.9 413.4 0.00 51 62 19294 -72.7 -89.7 6 17.0 -72.8 26 14 444.0 444.0 310.3 444.0 0.00 52 59 19586 -72.3 -89.3 6 17.0 -72.4 306 18 451.2 451.2 311.0 451.3 0.00 53 56 19894 -72.7 -89.7 6 17.0 -72.8 279 17 457.1 457.1 311.5 457.1 0.00 54 50 20560 -72.7 -90.7 5 18.0 -72.8 100 25 472.2 472.2 312.8 472.2 0.00 55 43 21446 -71.5 -91.5 4 20.0 -71.6 93 33 495.9 495.9 314.7 495.9 0.00 56 40 21877 -66.9 -91.9 2 25.0 -67.2 86 43 517.9 517.9 316.2 517.9 0.00 57 30 23630 -62.7 -90.7 1 28.0 -63.4 90 63 573.7 573.7 319.3 573.7 0.00 58 24 25017 -59.1 -89.1 1 30.0 -60.3 90 68 622.0 622.0 321.6 622.0 0.01 59 22 25567 -55.5 -87.4 1 31.9 -57.4 90 70 648.5 648.5 322.6 648.5 0.01 60 20 26180 -51.5 -85.5 1 34.0 -54.6 100 64 678.5 678.5 323.7 678.6 0.01 61 18 26873 -45.5 -83.5 1 38.0 -50.8 97 64 718.2 718.2 325.0 718.4 0.02 62 15 28100 -41.5 -82.5 0 41.0 -49.2 95 48 770.0 770.0 326.5 770.2 0.03 63 14 28567 -42.3 -82.3 0 40.0 -49.9 89 38 782.6 782.6 326.8 782.9 0.03 TRP 79 17923 -82.5 -89.5 29 7.0 -82.5 95 6 394.0 394.0 304.4 394.0 0.00 WND 22 25567 -55.5 -87.4 1 31.9 -57.4 90 70 648.5 648.5 322.6 648.5 0.01 Sounding variables and indices 1000-500 mb thick: 5771.00 m Freezing level: 552.31 mb = 5129.28 m = 16828.15 ft Wetbulb zero: 666.10 mb = 3586.19 m = 11765.56 ft Precipitable water: 1.54 inches Sfc-500 mean rel hum: 44.94 % Est. max temperature: 30.73 C = 87.31 F Sfc-Lift cond lev (LCL): 937.69 mb = 691.61 m = 2269.02 ft T: 20.80 C 700-500 lapse rate: 4.96 C/km ThetaE index: 14.83 C Layer 841.0- 700.0 mb Conv cond level (CCL): 885.16 mb = 1188.55 m = 3899.41 ft Mean mixing ratio: 15.31 g/kg Conv temperature: 29.56 C = 85.21 F Cap Strength: 1.85 C Lifted Index: 0.70 C Risk: Showers probable Lifted Index @300 mb: -1.30 C Lifted Index @700 mb: 0.13 C Showalter Index: 2.16 C Risk: Showers probable Total Totals Index: 40.20 C Risk: None Vertical Totals Index: 21.10 C Cross Totals Index: 19.10 C K Index: 27.70 Risk: 40-60 % chance of thunderstorms Sweat Index: 215.20 Risk: None Energy Index: -2.11 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 134.33 J/kg Max Up Vert Vel: 16.39 m/s Conv Inhibition (B-): 170.82 J/kg Cap Strength: 1.80 C Lift Cond Lev (LCL): 922.11 mb = 836.94 m = 2745.83 ft Lev Free Conv (LFC): 407.11 mb = 7476.99 m = 24530.52 ft Equ Level (EL): 227.11 mb = 11602.56 m = 38065.68 ft B at Equ Level: 132.37 J/kg Max Parcel Lev (MPL): 157.11 mb = 13919.57 m = 45667.31 ft Wind level data Storm motion: 110 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 1008 56 135 4 -2.8 2.8 | 275 6 6.4 -0.5 1 1000 129 125 13 -10.6 7.5 | 161 4 -1.4 4.1 2 980 305 120 14 -12.1 7.0 | 142 5 -2.9 3.6 3 946 610 120 16 -13.9 8.0 | 135 7 -4.6 4.6 4 925 810 110 14 -13.2 4.8 | 110 4 -3.9 1.4 5 914 914 110 13 -12.2 4.4 | 110 3 -3.0 1.1 6 882 1219 65 15 -13.6 -6.3 | 24 11 -4.4 -9.7 7 851 1524 55 16 -13.1 -9.2 | 17 13 -3.9 -12.5 8 850 1537 55 16 -13.1 -9.2 | 17 13 -3.9 -12.5 9 792 2134 75 17 -16.4 -4.4 | 43 11 -7.2 -7.8 10 764 2438 75 20 -19.3 -5.2 | 50 13 -10.1 -8.5 11 737 2743 85 23 -22.9 -2.0 | 69 15 -13.7 -5.4 12 700 3176 75 19 -18.4 -4.9 | 48 12 -9.1 -8.3 13 685 3353 70 20 -18.8 -6.8 | 43 14 -9.6 -10.2 14 635 3962 80 14 -13.8 -2.4 | 38 7 -4.5 -5.8 15 612 4267 55 11 -9.0 -6.3 | 359 10 0.2 -9.7 16 546 5182 0 0 -0.0 -0.0 | 290 10 9.2 -3.4 17 500 5900 240 8 6.9 4.0 | 268 16 16.2 0.6 18 487 6096 240 10 8.7 5.0 | 265 18 17.9 1.6 19 450 6706 240 15 13.0 7.5 | 259 23 22.2 4.1 20 433 7010 235 10 8.2 5.7 | 262 18 17.4 2.4 21 416 7315 275 6 6.0 -0.5 | 284 16 15.2 -3.9 22 400 7610 280 11 10.8 -1.9 | 285 21 20.1 -5.3 23 399 7620 295 10 9.1 -4.2 | 293 20 18.3 -7.6 24 383 7925 275 12 12.0 -1.0 | 282 22 21.2 -4.4 25 367 8230 295 16 14.5 -6.8 | 293 26 23.7 -10.1 26 352 8534 310 17 13.0 -10.9 | 303 26 22.3 -14.3 27 311 9449 285 18 17.4 -4.7 | 287 28 26.6 -8.0 28 300 9710 295 17 15.4 -7.2 | 293 27 24.6 -10.6 29 261 10668 320 21 13.5 -16.1 | 311 30 22.7 -19.5 30 250 10960 340 19 6.5 -17.9 | 323 26 15.7 -21.2 31 250 10973 340 19 6.5 -17.9 | 323 26 15.7 -21.2 32 207 12192 345 23 6.0 -22.2 | 329 30 15.2 -25.6 33 200 12430 330 22 11.0 -19.1 | 318 30 20.2 -22.4 34 179 13106 315 23 16.3 -16.3 | 308 32 25.5 -19.6 35 162 13716 330 28 14.0 -24.2 | 320 36 23.2 -27.6 36 154 14021 325 27 15.5 -22.1 | 316 36 24.7 -25.5 37 150 14200 300 44 38.1 -22.0 | 298 54 47.3 -25.4 38 139 14630 290 49 46.0 -16.8 | 290 59 55.3 -20.1 39 126 15240 270 42 42.0 -0.0 | 274 51 51.2 -3.4 40 113 15850 270 58 58.0 -0.0 | 273 67 67.2 -3.4 41 100 16590 250 29 27.3 9.9 | 260 37 36.5 6.5 42 97 16764 255 30 29.0 7.8 | 263 38 38.2 4.4 43 87 17374 250 33 31.0 11.3 | 259 41 40.2 7.9 44 79 17923 95 6 -6.0 0.5 | 311 4 3.3 -2.8 45 78 17983 230 12 9.2 7.7 | 257 19 18.4 4.3 46 74 18288 85 3 -3.0 -0.3 | 300 7 6.2 -3.6 47 70 18593 110 11 -10.3 3.8 | 110 1 -1.1 0.4 48 70 18600 75 6 -5.8 -1.6 | 325 6 3.4 -4.9 49 63 19202 65 12 -10.9 -5.1 | 11 9 -1.6 -8.4 50 60 19507 310 17 13.0 -10.9 | 303 26 22.3 -14.3 51 57 19812 295 20 18.1 -8.5 | 293 30 27.4 -11.8 52 54 20117 240 11 9.5 5.5 | 264 19 18.8 2.1 53 51 20422 75 14 -13.5 -3.6 | 31 8 -4.3 -7.0 54 50 20560 100 25 -24.6 4.3 | 94 15 -15.4 1.0 55 46 21031 100 23 -22.7 4.0 | 93 13 -13.4 0.6 56 38 22250 80 51 -50.2 -8.9 | 73 43 -41.0 -12.2 57 34 22860 90 47 -47.0 0.0 | 85 38 -37.8 -3.4 58 31 23470 90 64 -64.0 0.0 | 86 55 -54.8 -3.4 59 30 23630 90 63 -63.0 0.0 | 86 54 -53.8 -3.4 60 22 25567 90 70 -70.0 0.0 | 87 61 -60.8 -3.4 61 21 25908 90 70 -70.0 0.0 | 87 61 -60.8 -3.4 62 20 26180 100 64 -63.0 11.1 | 98 54 -53.8 7.7 63 17 26822 95 64 -63.8 5.6 | 92 55 -54.5 2.2 64 14 27432 95 41 -40.8 3.6 | 90 32 -31.6 0.2 65 13 27737 70 29 -27.3 -9.9 | 54 22 -18.0 -13.3 66 12 28042 80 20 -19.7 -3.5 | 57 12 -10.5 -6.8 67 11 28346 65 14 -12.7 -5.9 | 20 10 -3.5 -9.3 68 10 28651 10 17 -3.0 -16.7 | 343 21 6.3 -20.1 Wind Parameters Mean winds (0-6000m): 80.0 at 13.1 knts Storm direction: 110.0 at 9.8 knts Shear (0-3000m) pos: 1.5 neg: 2.6 tot: 4.2 10-3/s Storm rel Dir Shear (0-3000m): 138.9 deg Storm rel helicity (0-3000m) pos: 36.6 neg: -41.5 tot: -5.0 m^2/s^2 ave: -1.7 10^-3 m/s^2 rel: -0.36 Storm rel vorticity (0-3000m) horiz: 8.3 stream: -3.0 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 11.46 Bulk Shear: 11.72 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 ------------------------------------------------------------------------------- 500 122 13 149 4| 0.0 12.2 12.2| 0.0 -8.9 -8.9 -17.8 -0.91| 14.5-13.2 1000 116 14 129 4| 0.0 5.9 5.9| 0.0 -16.7 -16.7 -16.7 -0.86| 11.7-10.0 1500 98 14 75 5| 0.0 5.4 5.4| 0.0 -29.2 -29.2 -19.5 -0.78| 10.8 -8.5 2000 88 15 55 7| 1.3 4.1 5.3| 13.8 -29.2 -15.4 -7.7 -0.56| 9.4 -5.3 2500 85 16 53 8| 1.9 3.2 5.1| 26.5 -29.2 -2.7 -1.1 -0.40| 8.6 -3.4 3000 84 17 55 9| 1.5 2.6 4.2| 36.6 -41.5 -5.0 -1.7 -0.36| 8.3 -3.0 4000 81 17 51 10| 1.2 1.5 2.7| 36.7 -55.5 -18.8 -4.7 -0.37| 7.8 -2.9 5000 79 15 41 8| 0.9 1.4 2.3| 36.7 -94.2 -57.5 -11.5 -0.49| 7.8 -3.8 6000 80 13 33 7| 0.8 1.6 2.4| 39.1-131.2 -92.1 -15.3 -0.51| 7.7 -3.9 Wrote GIF file: /home/apache/climate/data/raob//SBFN/skewt/SBFN.skewt.20251209.12.gif