UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2026011900.upa.cvt Date: 0000Z 19 JAN 26 Searching for FAIR... Searching the city database file for: FAIR ... Date:0000Z 19 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 110 1 925 775 2 850 1497 90 6 SFC 847 1500 18.4 16.9 91 1.5 17.4 90 6 305.7 308.4 296.4 349.0 14.45 4 772 2303 12.6 11.9 95 0.7 12.1 92 15 307.7 309.8 294.8 342.2 11.42 5 771 2314 12.6 11.8 95 0.8 12.1 91 15 307.8 309.9 294.8 342.2 11.36 6 767 2358 14.4 9.4 72 5.0 11.2 89 15 310.2 312.0 294.3 339.9 9.70 7 765 2381 14.6 9.6 72 5.0 11.4 88 14 310.7 312.5 294.6 340.9 9.86 8 741 2655 13.8 5.8 58 8.0 9.0 74 11 312.6 314.1 293.6 336.9 7.83 9 738 2690 13.8 6.8 63 7.0 9.5 73 10 313.0 314.6 294.1 339.2 8.43 10 700 3141 10.4 5.4 71 5.0 7.4 50 4 314.0 315.5 294.1 339.2 8.06 11 651 3740 5.6 3.0 83 2.6 4.1 107 10 315.2 316.6 293.9 338.1 7.32 12 576 4734 1.0 1.0 100 0.0 1.0 128 5 321.0 322.4 295.3 344.0 7.17 13 500 5860 -5.1 -5.1 100 0.0 -5.1 340 4 326.8 327.9 295.3 344.2 5.24 14 452 6651 -9.1 -9.8 95 0.7 -9.4 291 5 331.4 332.2 295.5 345.1 4.02 15 429 7055 -12.1 -15.8 74 3.7 -13.5 286 6 332.5 333.1 294.7 341.6 2.60 16 414 7327 -13.3 -15.8 81 2.5 -14.2 290 8 334.4 334.9 295.3 343.8 2.70 17 413 7346 -13.1 -15.6 81 2.5 -14.0 291 8 334.9 335.4 295.4 344.5 2.75 18 411 7383 -13.7 -15.4 87 1.7 -14.3 291 9 334.6 335.1 295.4 344.4 2.81 19 400 7590 -14.3 -15.9 88 1.6 -14.9 295 10 336.4 337.0 295.8 346.1 2.77 20 379 7996 -16.1 -18.2 84 2.1 -16.9 301 11 339.3 339.8 296.1 347.9 2.41 21 303 9639 -27.3 -29.5 81 2.2 -27.8 327 23 345.9 346.2 296.7 350.1 1.10 22 300 9710 -27.9 -29.9 83 2.0 -28.3 325 24 346.1 346.3 296.7 350.1 1.07 23 250 11000 -38.5 -41.3 75 2.8 -38.8 325 24 348.8 348.9 296.7 350.5 0.41 24 204 12352 -50.7 -51.7 89 1.0 -50.7 307 28 350.5 350.5 296.9 351.2 0.16 25 200 12480 -51.9 -53.6 82 1.7 -52.0 305 28 350.6 350.6 296.9 351.1 0.13 26 172 13437 -60.7 -64.4 62 3.7 -60.7 302 27 351.5 351.5 297.0 351.6 0.04 27 152 14199 -64.3 -71.3 38 7.0 -64.4 300 27 358.0 358.0 298.3 358.0 0.02 28 150 14280 -65.1 -72.1 37 7.0 -65.2 300 27 357.9 357.9 298.3 358.0 0.02 29 144 14528 -66.9 -74.9 31 8.0 -67.0 305 26 359.0 359.0 298.5 359.1 0.01 30 109 16156 -80.7 -82.1 79 1.4 -80.7 335 22 362.8 362.8 299.2 362.8 0.00 31 101 16584 -82.3 -83.3 84 1.0 -82.3 344 21 367.7 367.7 300.1 367.7 0.00 32 100 16640 -82.9 -84.1 81 1.2 -82.9 345 21 367.6 367.6 300.1 367.6 0.00 33 96 16867 -83.9 -85.8 72 1.9 -83.9 340 23 369.9 369.9 300.5 369.9 0.00 34 81 17818 -80.9 -85.9 43 5.0 -80.9 34 15 394.5 394.5 304.5 394.5 0.00 35 78 18033 -76.9 -83.9 32 7.0 -76.9 46 14 407.1 407.1 306.2 407.1 0.00 36 75 18258 -77.7 -85.7 26 8.0 -77.7 58 12 410.0 410.0 306.5 410.0 0.00 37 72 18495 -72.7 -82.7 21 10.0 -72.8 71 10 425.4 425.4 308.3 425.4 0.01 38 72 18495 -72.5 -82.5 21 10.0 -72.6 71 10 425.8 425.8 308.4 425.9 0.01 39 70 18660 -73.5 -82.5 24 9.0 -73.6 80 9 427.1 427.1 308.5 427.2 0.01 40 65 19092 -74.9 -83.9 23 9.0 -74.9 87 14 433.2 433.2 309.2 433.3 0.01 41 59 19661 -70.7 -81.7 18 11.0 -70.8 95 20 454.8 454.8 311.3 454.9 0.01 42 54 20184 -72.1 -83.1 18 11.0 -72.2 103 26 463.3 463.3 312.1 463.3 0.01 43 50 20640 -69.7 -82.7 13 13.0 -69.8 110 31 479.2 479.2 313.4 479.3 0.01 44 34 23016 -57.7 -77.7 6 20.0 -58.7 91 29 566.7 566.7 319.0 566.9 0.03 45 30 23810 -56.9 -74.9 9 18.0 -58.1 85 28 589.5 589.5 320.2 589.9 0.05 46 22 25768 -58.3 -76.3 8 18.0 -59.6 640.0 640.1 322.3 640.5 0.05 47 20 26374 -54.1 -74.1 7 20.0 -56.3 670.6 670.6 323.4 671.3 0.08 TRP 96 16867 -83.9 -85.8 72 1.9 -83.9 340 23 369.9 369.9 300.5 369.9 0.00 WND Sounding variables and indices 1000-500 mb thick: 5750.00 m Freezing level: 563.54 mb = 4918.49 m = 16136.57 ft Wetbulb zero: 563.39 mb = 4910.03 m = 16108.82 ft Sfc-500 mean rel hum: 87.69 % Est. max temperature: 26.36 C = 79.44 F Sfc-Lift cond lev (LCL): 828.63 mb = 1689.81 m = 5543.94 ft T: 17.03 C 700-500 lapse rate: 5.70 C/km ThetaE index: 9.12 C Layer 772.0- 765.0 mb Conv cond level (CCL): 773.32 mb = 2287.75 m = 7505.66 ft Mean mixing ratio: 12.02 g/kg Conv temperature: 20.24 C = 68.44 F Cap Strength: 2.82 C Lifted Index: 0.04 C Risk: Showers probable Lifted Index @300 mb: 3.78 C Lifted Index @700 mb: 1.47 C Parcel Indices Parcel: using 100 mb layer CAPE (B+): 40.29 J/kg Max Up Vert Vel: 8.98 m/s Conv Inhibition (B-): 72.25 J/kg Cap Strength: 2.63 C Lift Cond Lev (LCL): 772.13 mb = 2301.09 m = 7549.41 ft Lev Free Conv (LFC): 657.13 mb = 3662.88 m = 12017.18 ft Equ Level (EL): 507.13 mb = 5747.34 m = 18855.89 ft B at Equ Level: 40.20 J/kg Max Parcel Lev (MPL): 397.13 mb = 7644.23 m = 25079.20 ft Wind level data Storm motion: 126 at 6 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 ---------------------------------------------------------- 0 847 1500 90 6 -6.0 0.0 | 25 4 -1.5 -3.2 1 787 2134 100 16 -15.8 2.8 | 88 11 -11.3 -0.5 2 760 2438 85 14 -13.9 -1.2 | 65 10 -9.5 -4.5 3 700 3141 50 4 -3.1 -2.6 | 346 6 1.4 -5.8 4 632 3962 130 12 -9.2 7.7 | 133 7 -4.7 4.5 5 586 4572 130 5 -3.8 3.2 | 273 1 0.6 -0.0 6 544 5182 120 4 -3.5 2.0 | 321 2 1.0 -1.2 7 500 5860 340 4 1.4 -3.8 | 320 9 5.8 -7.0 8 466 6401 295 5 4.5 -2.1 | 301 10 9.0 -5.4 9 431 7010 285 6 5.8 -1.6 | 295 11 10.3 -4.8 10 400 7590 295 10 9.1 -4.2 | 299 15 13.5 -7.5 11 367 8230 305 11 9.0 -6.3 | 305 17 13.5 -9.6 12 338 8839 350 16 2.8 -15.8 | 339 20 7.2 -19.0 13 300 9710 325 24 13.8 -19.7 | 321 29 18.2 -22.9 14 250 11000 325 24 13.8 -19.7 | 321 29 18.2 -22.9 15 200 12480 305 28 22.9 -16.1 | 305 34 27.4 -19.3 16 150 14280 300 27 23.4 -13.5 | 301 32 27.8 -16.7 17 100 16640 345 21 5.4 -20.3 | 337 26 9.9 -23.5 18 96 16867 340 23 7.9 -21.6 | 334 28 12.3 -24.9 19 70 18660 80 9 -8.9 -1.6 | 42 7 -4.4 -4.8 20 50 20640 110 31 -29.1 10.6 | 107 26 -24.7 7.4 21 30 23810 85 28 -27.9 -2.4 | 76 24 -23.4 -5.7 Wind Parameters Mean winds (0-6000m): 96.0 at 7.4 knts Storm direction: 126.0 at 5.5 knts Shear (0-3000m) pos: 2.9 neg: 2.7 tot: 5.7 10-3/s Storm rel Dir Shear (0-3000m): 154.9 deg Storm rel helicity (0-3000m) pos: 28.4 neg: -32.6 tot: -4.2 m^2/s^2 ave: -1.4 10^-3 m/s^2 rel: 0.14 Storm rel vorticity (0-3000m) horiz: 7.5 stream: 1.1 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 46.95 Bulk Shear: 0.86 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 97 10 69 6| 8.2 0.0 8.2| 8.2 0.0 8.2 16.4 0.67| 8.3 5.5 1000 95 12 74 8| 4.1 2.0 6.1| 10.3 -14.2 -3.9 -3.9 0.07| 7.7 0.6 1500 90 11 64 8| 2.7 3.5 6.2| 10.3 -30.2 -20.0 -13.3 -0.28| 8.0 -2.2 2000 88 10 56 7| 2.9 2.6 5.5| 16.3 -32.6 -16.3 -8.1 -0.12| 7.5 -0.9 2500 96 10 67 6| 3.5 2.1 5.6| 27.8 -32.6 -4.8 -1.9 0.13| 7.8 1.0 3000 101 10 75 5| 2.9 2.7 5.7| 28.4 -32.6 -4.2 -1.4 0.14| 7.5 1.1 4000 103 8 70 4| 2.2 2.7 4.9| 29.3 -33.1 -3.8 -1.0 0.17| 6.5 1.1 5000 99 8 56 4| 1.8 2.7 4.5| 29.3 -50.1 -20.8 -4.2 0.02| 6.1 0.1 6000 96 7 49 4| 1.2 2.3 3.5| 31.7 -52.8 -21.0 -3.5 0.02| 5.5 0.1 Wrote GIF file: /home/apache/climate/data/raob//FAIR/skewt/FAIR.skewt.20260119.00.gif