UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2026011612.upa.cvt Date: 1200Z 16 JAN 26 Searching for FAIR... Searching the city database file for: FAIR ... Date:1200Z 16 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 57 1 925 744 2 850 1488 140 4 SFC 846 1500 27.4 16.4 51 11.0 19.6 140 4 315.3 318.0 298.5 358.9 14.01 4 700 3148 10.0 7.8 86 2.2 8.6 145 10 313.6 315.4 295.1 343.1 9.54 5 679 3401 8.2 6.7 90 1.5 7.3 145 12 314.3 316.0 295.0 342.7 9.11 6 678 3413 8.2 6.7 90 1.5 7.3 145 12 314.4 316.2 295.0 342.8 9.12 7 595 4485 3.0 -3.0 65 6.0 -0.1 162 15 320.4 321.4 293.6 337.1 5.16 8 582 4664 3.0 -3.0 65 6.0 -0.2 165 15 322.4 323.4 294.2 339.6 5.28 9 524 5508 -3.1 -6.1 80 3.0 -4.6 160 12 324.9 325.8 294.4 340.2 4.63 10 516 5630 -2.5 -11.5 50 9.0 -6.4 159 10 327.0 327.6 293.7 337.4 3.08 11 514 5661 -2.7 -11.7 50 9.0 -6.5 158 10 327.2 327.8 293.7 337.5 3.04 12 500 5880 -4.7 -10.7 63 6.0 -7.3 155 7 327.3 328.0 294.0 338.7 3.38 13 494 5975 -5.3 -9.8 71 4.5 -7.3 154 6 327.7 328.4 294.3 340.1 3.68 14 470 6362 -7.5 -19.5 38 12.0 -11.6 150 2 329.7 330.0 293.3 335.8 1.74 15 466 6429 -7.5 -22.5 29 15.0 -12.3 148 1 330.5 330.8 293.2 335.3 1.35 16 440 6872 -9.9 -14.9 67 5.0 -11.9 100 6 332.9 333.5 294.9 342.4 2.73 17 430 7048 -10.7 -17.7 56 7.0 -13.2 90 8 334.1 334.5 294.8 341.9 2.21 18 422 7192 -10.9 -33.9 13 23.0 -16.2 114 8 335.6 335.7 293.7 337.6 0.52 19 418 7265 -11.5 -21.5 43 10.0 -14.7 125 8 335.8 336.1 294.7 341.7 1.64 20 412 7376 -12.3 -27.3 27 15.0 -16.4 143 7 336.1 336.4 294.3 339.8 0.99 21 400 7600 -14.1 -22.1 51 8.0 -16.6 180 7 336.7 337.0 294.9 342.5 1.63 22 383 7929 -16.7 -20.9 70 4.2 -18.0 177 12 337.4 337.8 295.3 344.2 1.89 23 379 8008 -17.3 -24.3 54 7.0 -19.3 177 13 337.7 338.0 295.0 342.8 1.41 24 374 8107 -17.1 -36.1 18 19.0 -20.9 176 15 339.2 339.3 294.6 341.0 0.47 25 361 8373 -18.5 -34.5 23 16.0 -21.8 177 17 340.8 340.9 295.0 343.0 0.57 26 360 8393 -18.3 -51.3 4 33.0 -22.6 177 17 341.3 341.4 294.7 341.7 0.09 27 355 8498 -19.3 -36.3 21 17.0 -22.6 179 17 341.4 341.5 295.1 343.2 0.48 28 349 8625 -19.9 -40.9 14 21.0 -23.4 181 17 342.2 342.3 295.1 343.4 0.31 29 316 9355 -25.5 -56.5 4 31.0 -28.4 194 11 344.3 344.3 295.4 344.5 0.06 30 300 9730 -28.5 -57.5 4 29.0 -30.9 200 7 345.2 345.2 295.6 345.4 0.05 31 250 11010 -39.1 -64.1 5 25.0 -40.2 220 7 347.9 347.9 296.2 348.1 0.03 32 210 12174 -49.5 -66.5 12 17.0 -50.0 91 5 349.5 349.5 296.5 349.6 0.02 33 200 12490 -52.1 -70.1 10 18.0 -52.5 55 4 350.3 350.3 296.7 350.3 0.02 34 160 13897 -62.9 -78.9 10 16.0 -63.0 82 10 355.1 355.1 297.7 355.1 0.00 35 150 14290 -66.5 -79.5 14 13.0 -66.6 90 12 355.5 355.5 297.8 355.5 0.00 36 149 14330 -66.9 -78.9 17 12.0 -67.0 89 12 355.5 355.5 297.8 355.5 0.01 37 131 15099 -72.1 -76.6 51 4.5 -72.1 78 12 359.6 359.6 298.6 359.6 0.01 38 109 16167 -77.9 -83.9 37 6.0 -77.9 62 12 368.0 368.0 300.2 368.0 0.00 39 104 16436 -77.9 -83.9 37 6.0 -77.9 58 12 373.0 373.0 301.1 373.0 0.00 40 100 16660 -78.3 -82.8 48 4.5 -78.3 55 12 376.4 376.4 301.6 376.5 0.00 41 97 16834 -78.9 -83.0 51 4.1 -78.9 54 14 378.6 378.6 302.0 378.6 0.00 42 82 17789 -81.3 -87.3 35 6.0 -81.3 50 23 392.3 392.3 304.1 392.3 0.00 43 81 17858 -81.3 -88.3 30 7.0 -81.3 50 23 393.7 393.7 304.3 393.7 0.00 44 70 18690 -77.1 -87.1 19 10.0 -77.1 45 22 419.4 419.4 307.6 419.5 0.00 45 60 19586 -70.9 -85.9 9 15.0 -71.0 47 21 452.2 452.2 311.1 452.2 0.00 46 59 19686 -71.1 -87.1 8 16.0 -71.2 48 21 453.9 453.9 311.2 454.0 0.00 47 50 20660 -72.1 -88.1 7 16.0 -72.2 50 20 473.6 473.6 313.0 473.6 0.00 48 49 20779 -72.3 -88.3 7 16.0 -72.4 51 20 475.9 475.9 313.1 475.9 0.00 49 40 22002 -62.5 -89.5 1 27.0 -63.0 65 23 528.9 528.9 316.9 528.9 0.00 50 32 23386 -60.7 -91.7 1 31.0 -61.5 81 25 568.6 568.6 319.1 568.6 0.00 51 30 23790 -57.9 -89.9 1 32.0 -59.0 85 26 586.8 586.8 320.0 586.8 0.00 52 27 24462 -53.3 -86.3 1 33.0 -55.4 85 28 617.7 617.7 321.4 617.7 0.01 53 21 26076 -54.9 -86.9 1 32.0 -57.1 85 31 658.9 658.9 323.0 658.9 0.01 54 20 26390 -52.9 -85.9 1 33.0 -55.6 85 32 674.3 674.3 323.6 674.3 0.01 55 19 26722 -52.1 -85.1 1 33.0 -55.1 686.7 686.7 324.0 686.8 0.01 TRP 82 17789 -81.3 -87.3 35 6.0 -81.3 50 23 392.3 392.3 304.1 392.3 0.00 WND Sounding variables and indices 1000-500 mb thick: 5823.00 m Freezing level: 553.48 mb = 5079.25 m = 16664.01 ft Wetbulb zero: 596.10 mb = 4469.82 m = 14664.57 ft Sfc-500 mean rel hum: 71.67 % Est. max temperature: 25.90 C = 78.61 F Sfc-Lift cond lev (LCL): 720.58 mb = 2895.98 m = 9501.14 ft T: 12.66 C 700-500 lapse rate: 5.38 C/km ThetaE index: 16.20 C Layer 700.0- 678.0 mb Conv cond level (CCL): 715.75 mb = 2954.38 m = 9692.72 ft Mean mixing ratio: 12.45 g/kg Conv temperature: 26.01 C = 78.83 F Cap Strength: -0.99 C Lifted Index: -2.96 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -1.98 C Lifted Index @700 mb: -1.50 C Parcel Indices Parcel: using 100 mb layer CAPE (B+): 819.27 J/kg Max Up Vert Vel: 40.48 m/s Conv Inhibition (B-): 0.00 J/kg Cap Strength: 0.48 C Lift Cond Lev (LCL): 706.72 mb = 3064.87 m = 10055.24 ft Lev Free Conv (LFC): 701.72 mb = 3126.64 m = 10257.88 ft Equ Level (EL): 171.72 mb = 13451.00 m = 44130.04 ft B at Equ Level: 814.12 J/kg Max Parcel Lev (MPL): 91.72 mb = 17152.25 m = 56273.10 ft Wind level data Storm motion: 180 at 7 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 ---------------------------------------------------------- 0 846 1500 140 4 -2.6 3.1 | 32 5 -2.5 -4.1 1 787 2134 140 6 -3.9 4.6 | 57 5 -3.8 -2.5 2 759 2438 155 8 -3.4 7.3 | 92 3 -3.4 0.1 3 700 3148 145 10 -5.7 8.2 | 101 6 -5.7 1.1 4 633 3962 145 15 -8.6 12.3 | 121 10 -8.6 5.2 5 587 4572 165 15 -3.9 14.5 | 152 8 -3.9 7.4 6 545 5182 165 16 -4.1 15.5 | 154 9 -4.1 8.3 7 500 5880 155 7 -3.0 6.3 | 75 3 -2.9 -0.8 8 467 6401 150 1 -0.5 0.9 | 4 6 -0.5 -6.3 9 432 7010 85 8 -8.0 -0.7 | 45 11 -7.9 -7.8 10 400 7600 180 7 0.0 7.0 | 347 0 0.0 -0.1 11 367 8230 175 17 -1.5 16.9 | 172 10 -1.5 9.8 12 338 8839 185 17 1.5 16.9 | 189 10 1.5 9.8 13 300 9730 200 7 2.4 6.6 | 283 2 2.4 -0.5 14 250 11010 220 7 4.5 5.4 | 291 5 4.5 -1.8 15 200 12490 55 4 -3.3 -2.3 | 19 10 -3.3 -9.4 16 150 14290 90 12 -12.0 0.0 | 59 14 -12.0 -7.1 17 100 16660 55 12 -9.8 -6.9 | 35 17 -9.8 -14.0 18 82 17789 50 23 -17.6 -14.8 | 39 28 -17.6 -21.9 19 70 18690 45 22 -15.6 -15.6 | 34 27 -15.5 -22.7 20 50 20660 50 20 -15.3 -12.9 | 37 25 -15.3 -20.0 21 30 23790 85 26 -25.9 -2.3 | 70 28 -25.9 -9.4 22 20 26390 85 32 -31.9 -2.8 | 73 33 -31.9 -9.9 Wind Parameters Mean winds (0-6000m): 149.8 at 9.5 knts Storm direction: 179.8 at 7.1 knts Shear (0-3000m) pos: 1.3 neg: 1.0 tot: 2.3 10-3/s Storm rel Dir Shear (0-3000m): 116.2 deg Storm rel helicity (0-3000m) pos: 21.4 neg: 0.0 tot: 21.4 m^2/s^2 ave: 7.1 10^-3 m/s^2 rel: 0.73 Storm rel vorticity (0-3000m) horiz: 2.8 stream: 2.1 10^-3/s Energy-Hel index: 0.04 Bulk Rich Number: 263.62 Bulk Shear: 3.11 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 ------------------------------------------------------------------------------- 500 140 5 41 5| 0.0 1.6 1.6| 1.9 0.0 1.9 3.8 0.98| 1.6 1.6 1000 144 6 54 4| 1.6 0.8 2.4| 5.0 0.0 5.0 5.0 0.94| 2.5 2.3 1500 147 7 69 4| 1.1 1.1 2.2| 5.5 0.0 5.5 3.7 0.75| 2.3 1.7 2000 146 8 82 4| 0.8 1.5 2.3| 7.9 0.0 7.9 3.9 0.68| 2.4 1.6 2500 146 9 94 5| 1.2 1.2 2.4| 11.7 0.0 11.7 4.7 0.65| 2.5 1.6 3000 148 10 105 5| 1.3 1.0 2.3| 21.4 0.0 21.4 7.1 0.73| 2.8 2.1 4000 154 11 121 6| 1.1 0.6 1.7| 23.2 -4.3 18.9 4.7 0.48| 2.8 1.4 5000 154 10 115 5| 0.9 1.0 1.9| 24.8 -13.5 11.3 2.3 0.08| 3.5 0.3 6000 150 9 103 5| 1.5 1.2 2.8| 39.9 -13.9 26.0 4.3 0.20| 4.5 0.9 Wrote GIF file: /home/apache/climate/data/raob//FAIR/skewt/FAIR.skewt.20260116.12.gif