UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2026012000.upa.cvt Date: 0000Z 20 JAN 26 Searching for FAIR... Searching the city database file for: FAIR ... Date:0000Z 20 JAN 26 Station: FAIR WMO ident: 68263 Latitude: -25.92 Longitude: 28.22 Elevation: 1500.00 ------------------------------------------------------------------------------- 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 131 1 925 793 2 850 1510 210 1 SFC 848 1500 16.6 16.0 96 0.6 16.2 210 1 303.7 306.3 295.3 344.2 13.61 4 846 1521 15.4 13.6 89 1.8 14.2 205 1 302.7 304.8 293.6 337.2 11.65 5 845 1531 17.8 14.1 79 3.7 15.3 202 1 305.3 307.5 294.7 341.4 12.06 6 825 1740 16.6 13.5 82 3.1 14.6 150 2 306.1 308.4 294.7 341.8 11.87 7 775 2279 12.8 11.8 94 1.0 12.1 80 4 307.6 309.7 294.7 341.7 11.30 8 755 2504 14.4 6.4 59 8.0 9.6 117 6 311.6 313.1 293.4 336.4 8.01 9 732 2770 13.8 -0.2 38 14.0 6.2 124 8 313.7 314.7 291.7 330.0 5.15 10 700 3152 10.8 0.8 50 10.0 5.3 135 12 314.4 315.6 292.4 332.7 5.80 11 654 3713 5.8 -0.2 65 6.0 2.6 152 11 315.0 316.1 292.6 333.2 5.77 12 608 4305 1.4 -4.6 64 6.0 -1.5 160 9 316.5 317.4 292.0 330.9 4.47 13 599 4424 1.0 -9.0 47 10.0 -3.4 160 8 317.4 318.1 291.2 328.0 3.23 14 592 4519 0.4 -4.6 69 5.0 -2.0 160 7 317.8 318.7 292.4 332.6 4.59 15 585 4614 0.8 -16.2 27 17.0 -5.5 164 7 319.3 319.7 290.5 325.6 1.84 16 572 4795 0.4 -12.6 37 13.0 -5.0 194 7 320.9 321.4 291.6 329.4 2.54 17 566 4879 -0.5 -6.5 64 6.0 -3.3 208 7 320.8 321.7 292.9 334.4 4.16 18 559 4978 -0.7 -10.7 47 10.0 -5.0 224 8 321.8 322.3 292.2 331.8 3.03 19 552 5079 -1.3 -5.7 72 4.4 -3.4 241 8 322.2 323.1 293.6 337.1 4.53 20 519 5567 -4.5 -16.5 39 12.0 -8.9 260 13 324.1 324.5 292.0 331.0 2.03 21 517 5598 -4.5 -28.5 13 24.0 -11.0 260 13 324.4 324.6 290.9 327.0 0.70 22 500 5860 -6.5 -35.5 8 29.0 -13.0 260 17 325.1 325.2 290.7 326.5 0.37 23 488 6050 -7.9 -37.9 7 30.0 -14.1 272 18 325.7 325.7 290.8 326.8 0.30 24 484 6114 -7.7 -39.7 6 32.0 -14.1 276 18 326.7 326.7 291.0 327.6 0.25 25 471 6325 -7.9 -28.9 17 21.0 -13.5 290 20 329.0 329.1 292.2 331.7 0.75 26 461 6492 -8.7 -11.2 82 2.5 -9.8 298 20 330.0 330.7 294.8 342.0 3.53 27 457 6560 -8.7 -13.0 71 4.3 -10.5 301 21 330.8 331.5 294.7 341.4 3.08 28 429 7046 -12.7 -16.3 74 3.6 -14.0 320 23 331.8 332.3 294.4 340.5 2.50 29 423 7154 -12.9 -17.8 67 4.9 -14.6 320 23 332.9 333.3 294.5 340.7 2.23 30 417 7263 -12.5 -39.5 8 27.0 -17.7 320 23 334.7 334.8 293.3 335.9 0.30 31 415 7300 -12.5 -39.5 8 27.0 -17.7 320 24 335.2 335.3 293.4 336.4 0.30 32 400 7580 -14.9 -22.9 50 8.0 -17.3 320 24 335.6 335.9 294.6 341.1 1.52 33 397 7637 -15.5 -20.5 65 5.0 -17.1 317 24 335.6 335.9 294.8 342.3 1.89 34 390 7771 -16.3 -23.3 55 7.0 -18.4 309 25 336.2 336.5 294.7 341.7 1.50 35 386 7848 -16.1 -38.1 13 22.0 -20.3 304 26 337.5 337.6 294.0 338.9 0.37 36 362 8329 -19.5 -39.5 15 20.0 -22.9 281 28 339.2 339.3 294.4 340.5 0.34 37 352 8536 -20.7 -27.7 53 7.0 -22.4 285 29 340.3 340.5 295.4 344.5 1.12 38 351 8557 -20.5 -32.5 33 12.0 -23.1 285 30 340.8 341.0 295.1 343.6 0.71 39 343 8727 -21.5 -32.5 36 11.0 -23.8 288 30 341.7 341.9 295.4 344.5 0.73 40 319 9257 -26.3 -32.3 57 6.0 -27.5 290 32 342.3 342.4 295.6 345.3 0.80 41 317 9302 -26.7 -33.7 52 7.0 -28.0 290 33 342.3 342.5 295.5 345.0 0.70 42 309 9487 -26.5 -48.5 11 22.0 -29.0 290 33 345.1 345.1 295.7 345.7 0.15 43 305 9581 -26.7 -51.7 8 25.0 -29.3 290 34 346.1 346.1 295.8 346.6 0.11 44 300 9700 -27.9 -48.9 12 21.0 -30.2 290 34 346.1 346.1 295.9 346.7 0.15 45 292 9895 -29.1 -57.1 5 28.0 -31.4 289 34 347.0 347.1 296.0 347.3 0.06 46 266 10557 -34.9 -44.9 35 10.0 -36.0 283 32 347.9 348.0 296.4 349.0 0.26 47 260 10717 -35.5 -57.5 9 22.0 -37.0 282 32 349.3 349.4 296.5 349.6 0.06 48 250 10990 -37.7 -59.7 8 22.0 -38.9 280 31 350.0 350.0 296.7 350.2 0.05 49 240 11269 -40.3 -50.3 33 10.0 -41.0 282 32 350.2 350.2 296.8 350.9 0.16 50 216 11976 -46.5 -61.5 17 15.0 -47.0 287 35 351.3 351.3 297.0 351.5 0.05 51 200 12480 -50.9 -59.9 34 9.0 -51.2 290 37 352.2 352.2 297.1 352.4 0.06 52 177 13264 -57.5 -60.4 69 2.9 -57.6 292 34 353.9 353.9 297.5 354.1 0.06 53 170 13518 -59.9 -64.1 58 4.2 -60.0 293 34 354.0 354.0 297.5 354.2 0.04 54 163 13779 -61.5 -70.5 29 9.0 -61.6 294 33 355.6 355.6 297.8 355.7 0.02 55 156 14050 -63.9 -69.9 44 6.0 -64.0 294 32 356.0 356.0 297.9 356.1 0.02 56 150 14290 -64.9 -73.9 28 9.0 -65.0 295 31 358.3 358.3 298.4 358.3 0.01 57 148 14371 -65.7 -75.7 24 10.0 -65.8 295 31 358.3 358.3 298.4 358.3 0.01 58 100 16650 -81.7 -85.9 49 4.2 -81.7 280 16 369.9 369.9 300.5 369.9 0.00 59 97 16820 -82.1 -86.5 47 4.4 -82.1 310 15 372.3 372.3 300.9 372.3 0.00 60 86 17498 -78.9 -84.9 37 6.0 -78.9 332 10 391.8 391.8 304.0 391.8 0.00 61 82 17767 -80.7 -85.7 43 5.0 -80.7 341 8 393.5 393.5 304.3 393.5 0.00 62 70 18670 -75.1 -85.1 20 10.0 -75.2 10 2 423.7 423.7 308.2 423.7 0.00 63 64 19197 -70.3 -83.3 13 13.0 -70.4 37 7 445.3 445.3 310.4 445.3 0.01 64 63 19291 -70.3 -84.3 11 14.0 -70.4 41 8 447.3 447.3 310.6 447.3 0.01 65 54 20208 -70.3 -85.3 9 15.0 -70.4 87 16 467.4 467.4 312.4 467.4 0.01 66 50 20670 -67.1 -85.1 6 18.0 -67.3 110 20 485.4 485.4 313.9 485.4 0.01 67 38 22353 -60.1 -85.1 2 25.0 -60.8 107 26 542.8 542.8 317.7 542.9 0.01 68 30 23830 -59.3 -86.3 2 27.0 -60.3 105 31 583.0 583.0 319.8 583.0 0.01 69 26 24724 -59.1 -86.1 2 27.0 -60.3 101 35 607.9 607.9 321.0 608.0 0.01 70 24 25233 -52.3 -84.3 1 32.0 -54.8 99 38 641.7 641.7 322.4 641.8 0.01 71 20 26420 -48.5 -82.5 1 34.0 -52.4 95 43 687.7 687.7 324.0 687.9 0.02 72 19 26758 -48.5 -82.5 1 34.0 -52.6 697.9 697.9 324.4 698.1 0.02 73 10 30669 -81.7 -85.8 50 4.1 -81.8 714.6 714.6 324.9 714.8 0.02 TRP 97 16820 -82.1 -86.5 47 4.4 -82.1 310 15 372.3 372.3 300.9 372.3 0.00 WND Sounding variables and indices 1000-500 mb thick: 5729.00 m Freezing level: 569.33 mb = 4832.14 m = 15853.29 ft Wetbulb zero: 624.86 mb = 4082.58 m = 13394.13 ft Sfc-500 mean rel hum: 57.66 % Est. max temperature: 26.83 C = 80.30 F Sfc-Lift cond lev (LCL): 840.67 mb = 1575.62 m = 5169.31 ft T: 17.54 C 700-500 lapse rate: 6.39 C/km ThetaE index: 11.80 C Layer 775.0- 700.0 mb Conv cond level (CCL): 688.68 mb = 3286.53 m = 10782.43 ft Mean mixing ratio: 10.98 g/kg Conv temperature: 26.94 C = 80.50 F Cap Strength: 4.17 C Lifted Index: -0.02 C Risk: Thunderstorms probable Lifted Index @300 mb: 5.77 C Lifted Index @700 mb: 2.93 C Parcel Indices Parcel: using 100 mb layer CAPE (B+): 35.94 J/kg Max Up Vert Vel: 8.48 m/s Conv Inhibition (B-): 133.10 J/kg Cap Strength: 4.07 C Lift Cond Lev (LCL): 759.57 mb = 2452.15 m = 8045.00 ft Lev Free Conv (LFC): 624.57 mb = 4086.36 m = 13406.54 ft Equ Level (EL): 584.57 mb = 4620.16 m = 15157.81 ft B at Equ Level: 34.62 J/kg Max Parcel Lev (MPL): 464.57 mb = 6432.22 m = 21102.83 ft Wind level data Storm motion: 298 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 ---------------------------------------------------------- 0 848 1500 210 1 0.5 0.9 | 124 9 -7.5 5.1 1 788 2134 50 3 -2.3 -1.9 | 103 11 -10.3 2.3 2 760 2438 115 5 -4.5 2.1 | 117 14 -12.5 6.3 3 700 3152 135 12 -8.5 8.5 | 128 21 -16.5 12.7 4 633 3962 160 11 -3.8 10.3 | 141 19 -11.8 14.6 5 587 4572 160 7 -2.4 6.6 | 136 15 -10.4 10.8 6 544 5182 260 8 7.9 1.4 | 179 6 -0.1 5.6 7 500 5860 260 17 16.7 3.0 | 231 11 8.7 7.2 8 466 6401 295 20 18.1 -8.5 | 293 11 10.1 -4.2 9 431 7010 320 23 14.8 -17.6 | 333 15 6.8 -13.4 10 400 7580 320 24 15.4 -18.4 | 332 16 7.4 -14.2 11 366 8230 280 28 27.6 -4.9 | 272 20 19.6 -0.6 12 337 8839 290 31 29.1 -10.6 | 287 22 21.1 -6.4 13 300 9700 290 34 31.9 -11.6 | 287 25 24.0 -7.4 14 250 10990 280 31 30.5 -5.4 | 273 23 22.5 -1.2 15 200 12480 290 37 34.8 -12.7 | 287 28 26.8 -8.4 16 150 14290 295 31 28.1 -13.1 | 294 22 20.1 -8.9 17 100 16650 280 16 15.8 -2.8 | 259 8 7.8 1.4 18 97 16820 310 15 11.5 -9.6 | 327 6 3.5 -5.4 19 70 18670 10 2 -0.3 -2.0 | 105 9 -8.3 2.3 20 50 20670 110 20 -18.8 6.8 | 112 29 -26.8 11.1 21 30 23830 105 31 -29.9 8.0 | 108 40 -37.9 12.2 22 20 26420 95 43 -42.8 3.7 | 99 51 -50.8 8.0 Wind Parameters Mean winds (0-6000m): 267.8 at 12.1 knts Storm direction: 297.8 at 9.0 knts Shear (0-3000m) pos: 1.8 neg: 0.8 tot: 2.6 10-3/s Storm rel Dir Shear (0-3000m): 12.6 deg Storm rel helicity (0-3000m) pos: 50.7 neg: -17.1 tot: 33.6 m^2/s^2 ave: 11.2 10^-3 m/s^2 rel: 0.22 Storm rel vorticity (0-3000m) horiz: 4.5 stream: 1.0 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 1.48 Bulk Shear: 24.26 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 52 2 108 10| 0.0 3.4 3.4| 0.4 -8.1 -7.8 -15.5 -0.63| 4.3 -2.7 1000 85 3 110 12| 1.9 1.7 3.6| 11.2 -11.9 -0.7 -0.7 -0.08| 5.5 -0.4 1500 113 5 116 14| 3.1 1.1 4.2| 21.3 -11.9 9.5 6.3 0.09| 5.5 0.5 2000 127 6 122 15| 2.7 0.8 3.6| 38.0 -11.9 26.1 13.1 0.23| 5.1 1.2 2500 136 7 126 16| 2.1 0.7 2.8| 50.7 -11.9 38.8 15.5 0.31| 4.7 1.4 3000 141 8 129 16| 1.8 0.8 2.6| 50.7 -17.1 33.6 11.2 0.22| 4.5 1.0 4000 157 8 136 16| 1.9 0.6 2.5| 82.5 -17.1 65.4 16.3 0.41| 5.6 2.3 5000 207 10 165 13| 2.1 0.5 2.6|126.4 -17.1 109.2 21.8 0.55| 6.3 3.5 6000 268 12 221 6| 1.9 0.4 2.3|152.2 -17.8 134.5 22.4 0.58| 6.0 3.5 Wrote GIF file: /home/apache/climate/data/raob//FAIR/skewt/FAIR.skewt.20260120.00.gif