UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120100.upa.cvt Date: 0000Z 1 DEC 25 Searching for FAIR... Searching the city database file for: FAIR ... Date:0000Z 1 DEC 25 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 1 925 796 2 850 1517 320 5 SFC 849 1500 18.2 18.2 100 0.0 18.2 320 5 305.3 308.2 297.1 352.2 15.68 4 830 1696 14.4 9.8 74 4.6 11.6 355 5 303.3 305.0 291.9 330.7 9.20 5 806 1949 14.8 7.8 63 7.0 10.6 41 6 306.3 307.8 292.0 331.3 8.26 6 785 2176 14.2 7.2 63 7.0 10.0 67 6 307.9 309.5 292.4 332.7 8.14 7 762 2431 13.0 7.0 67 6.0 9.4 8 8 309.3 310.8 293.0 334.6 8.28 8 720 2912 9.0 7.4 90 1.6 8.0 315 11 309.9 311.6 293.7 337.5 9.01 9 700 3149 8.6 5.0 78 3.6 6.5 290 13 312.0 313.5 293.4 336.3 7.84 10 696 3196 8.4 4.1 74 4.3 5.9 290 14 312.3 313.7 293.1 335.3 7.40 11 695 3208 8.4 4.2 75 4.2 5.9 290 14 312.4 313.8 293.2 335.6 7.46 12 647 3793 2.8 1.3 90 1.5 2.0 290 21 312.5 313.8 292.5 332.9 6.51 13 646 3806 2.6 0.8 88 1.8 1.6 290 22 312.5 313.7 292.3 332.1 6.29 14 641 3869 3.8 0.2 77 3.6 1.8 290 22 314.5 315.7 292.7 333.6 6.07 15 636 3932 2.2 -2.8 69 5.0 -0.3 290 23 313.4 314.3 291.4 328.9 4.90 16 633 3970 1.4 -3.3 71 4.7 -0.9 290 24 312.9 313.8 291.1 327.9 4.74 17 577 4709 -3.5 -4.0 96 0.5 -3.7 273 34 315.6 316.5 292.0 331.3 4.93 18 569 4820 -4.1 -4.1 100 0.0 -4.1 271 33 316.1 317.1 292.3 332.0 4.97 19 500 5830 -9.1 -10.2 92 1.1 -9.6 270 29 321.9 322.6 292.7 333.6 3.52 20 463 6423 -11.9 -13.4 89 1.5 -12.5 275 32 325.6 326.2 293.2 335.5 2.94 21 400 7530 -19.3 -20.7 89 1.4 -19.7 290 34 329.9 330.3 293.4 336.3 1.84 22 381 7891 -21.5 -23.0 88 1.5 -21.9 287 35 331.6 331.9 293.6 337.2 1.58 23 378 7949 -22.3 -23.5 90 1.2 -22.6 287 35 331.3 331.6 293.5 336.7 1.52 24 334 8844 -30.7 -34.9 67 4.2 -31.3 290 42 331.8 331.9 292.8 334.0 0.59 25 333 8865 -30.7 -35.2 65 4.5 -31.4 290 42 332.0 332.2 292.9 334.2 0.57 26 304 9508 -34.7 -37.3 77 2.6 -35.0 290 44 335.2 335.3 293.6 337.1 0.51 27 300 9600 -35.9 -38.4 78 2.5 -36.2 290 44 334.8 334.9 293.4 336.5 0.46 28 250 10840 -46.3 -49.2 72 2.9 -46.4 285 52 337.2 337.3 293.8 337.9 0.17 29 238 11163 -49.1 -51.7 74 2.6 -49.2 285 57 337.8 337.8 293.9 338.3 0.14 30 228 11442 -51.9 -55.2 68 3.3 -52.0 285 61 337.7 337.7 293.9 338.1 0.09 31 206 12092 -54.8 -65.1 27 10.3 -55.0 285 71 343.1 343.1 295.1 343.2 0.03 32 201 12248 -55.5 -67.5 21 12.0 -55.7 285 68 344.4 344.4 295.4 344.5 0.02 33 200 12280 -55.5 -68.5 18 13.0 -55.7 285 67 344.9 344.9 295.5 345.0 0.02 34 193 12508 -54.1 -71.1 11 17.0 -54.4 287 64 350.7 350.7 296.8 350.7 0.01 35 192 12542 -54.3 -71.3 11 17.0 -54.6 287 64 350.9 350.9 296.8 350.9 0.01 36 150 14090 -64.5 -76.5 18 12.0 -64.6 300 44 359.0 359.0 298.5 359.0 0.01 37 146 14255 -65.7 -77.7 17 12.0 -65.8 300 44 359.7 359.7 298.7 359.7 0.01 38 112 15853 -70.3 -83.3 13 13.0 -70.4 300 47 379.4 379.4 302.2 379.4 0.00 39 103 16353 -68.9 -81.9 14 13.0 -69.0 300 48 391.3 391.3 304.0 391.3 0.00 40 100 16530 -69.9 -82.9 13 13.0 -70.0 300 48 392.7 392.7 304.2 392.7 0.00 41 94 16895 -72.7 -84.7 15 12.0 -72.8 290 34 394.2 394.2 304.4 394.2 0.00 42 79 17912 -73.1 -85.1 14 12.0 -73.2 225 22 413.4 413.4 306.9 413.5 0.00 43 72 18461 -67.7 -82.7 10 15.0 -67.8 191 16 436.0 436.0 309.5 436.1 0.01 44 70 18630 -68.9 -83.9 10 15.0 -69.0 180 14 437.0 437.0 309.6 437.0 0.00 45 64 19163 -73.3 -86.3 12 13.0 -73.4 153 15 438.7 438.7 309.7 438.7 0.00 46 50 20640 -65.9 -83.9 6 18.0 -66.2 80 19 488.2 488.2 314.1 488.2 0.01 47 46 21148 -62.7 -82.7 5 20.0 -63.1 83 19 507.7 507.7 315.5 507.7 0.01 48 37 22486 -62.9 -83.9 4 21.0 -63.4 92 20 539.8 539.8 317.5 539.9 0.01 49 30 23790 -57.9 -80.9 4 23.0 -59.0 100 21 586.8 586.8 320.0 586.9 0.02 50 21 26053 -55.1 -79.1 4 24.0 -57.2 658.3 658.3 323.0 658.6 0.04 TRP 94 16895 -72.7 -84.7 15 12.0 -72.8 290 34 394.2 394.2 304.4 394.2 0.00 WND 206 12092 -54.8 -65.1 27 10.3 -55.0 285 71 343.1 343.1 295.1 343.2 0.03 Sounding variables and indices 1000-500 mb thick: 5699.00 m Freezing level: 617.00 mb = 4181.46 m = 13718.52 ft Wetbulb zero: 636.65 mb = 3923.92 m = 12873.60 ft Sfc-500 mean rel hum: 83.08 % Est. max temperature: 24.66 C = 76.38 F Sfc-Lift cond lev (LCL): 849.23 mb = 1503.86 m = 4933.85 ft T: -9999.00 C 700-500 lapse rate: 6.60 C/km ThetaE index: 21.49 C Layer 830.0- 806.0 mb Conv cond level (CCL): 680.38 mb = 3382.08 m = 11095.91 ft Mean mixing ratio: 9.12 g/kg Conv temperature: 25.04 C = 77.06 F Cap Strength: 2.87 C Lifted Index: 0.14 C Risk: Showers probable Lifted Index @300 mb: 1.70 C Lifted Index @700 mb: 2.78 C Parcel Indices Parcel: using 100 mb layer CAPE (B+): 66.43 J/kg Max Up Vert Vel: 11.53 m/s Conv Inhibition (B-): 119.61 J/kg Cap Strength: 2.79 C Lift Cond Lev (LCL): 736.71 mb = 2717.22 m = 8914.66 ft Lev Free Conv (LFC): 621.71 mb = 4113.93 m = 13496.99 ft Equ Level (EL): 501.71 mb = 5803.37 m = 19039.70 ft B at Equ Level: 65.68 J/kg Max Parcel Lev (MPL): 401.71 mb = 7497.79 m = 24598.75 ft Wind level data Storm motion: 310 at 18 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 ---------------------------------------------------------- 0 849 1500 320 5 3.2 -3.8 | 126 13 -10.4 7.6 1 788 2134 75 6 -5.8 -1.6 | 117 22 -19.4 9.8 2 761 2438 5 8 -0.7 -8.0 | 103 15 -14.3 3.4 3 700 3149 290 13 12.2 -4.4 | 169 7 -1.4 6.9 4 632 3962 290 24 22.6 -8.2 | 251 10 9.0 3.2 5 586 4572 275 34 33.9 -3.0 | 247 22 20.3 8.4 6 542 5182 265 32 31.9 2.8 | 232 23 18.3 14.2 7 500 5830 270 29 29.0 -0.0 | 234 19 15.4 11.4 8 464 6401 275 32 31.9 -2.8 | 245 20 18.3 8.6 9 428 7010 280 33 32.5 -5.7 | 253 20 18.9 5.7 10 400 7530 290 34 31.9 -11.6 | 271 18 18.4 -0.2 11 363 8230 285 36 34.8 -9.3 | 264 21 21.2 2.1 12 333 8839 290 42 39.5 -14.4 | 277 26 25.9 -3.0 13 300 9600 290 44 41.3 -15.0 | 278 28 27.8 -3.7 14 250 10840 285 52 50.2 -13.5 | 273 37 36.7 -2.1 15 206 12092 285 71 68.6 -18.4 | 277 55 55.0 -7.0 16 200 12280 285 67 64.7 -17.3 | 277 51 51.1 -6.0 17 150 14090 300 44 38.1 -22.0 | 293 27 24.5 -10.6 18 100 16530 300 48 41.6 -24.0 | 294 31 28.0 -12.6 19 94 16895 290 34 31.9 -11.6 | 271 18 18.4 -0.2 20 70 18630 180 14 0.0 14.0 | 152 29 -13.6 25.4 21 50 20640 80 19 -18.7 -3.3 | 104 33 -32.3 8.1 22 30 23790 100 21 -20.7 3.6 | 114 37 -34.2 15.0 Wind Parameters Mean winds (0-6000m): 280.0 at 23.6 knts Storm direction: 310.0 at 17.7 knts Shear (0-3000m) pos: 1.3 neg: 6.4 tot: 7.7 10-3/s Storm rel Dir Shear (0-3000m): 122.3 deg Storm rel helicity (0-3000m) pos: 39.6 neg: -39.3 tot: 0.2 m^2/s^2 ave: 0.1 10^-3 m/s^2 rel: 0.19 Storm rel vorticity (0-3000m) horiz: 9.4 stream: 1.8 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.89 Bulk Shear: 74.52 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 5 5 113 15| 7.9 0.0 7.9| 2.2 -12.8 -10.6 -21.2 -0.35| 8.8 -3.1 1000 27 6 110 17| 4.0 3.4 7.4| 7.3 -34.5 -27.2 -27.2 -0.33| 10.1 -3.3 1500 355 7 107 13| 2.6 5.0 7.6| 16.2 -35.0 -18.9 -12.6 -0.07| 10.2 -0.7 2000 321 9 118 9| 2.0 5.5 7.5| 29.0 -35.0 -6.0 -3.0 0.16| 9.7 1.5 2500 306 12 138 6| 1.6 5.8 7.4| 39.3 -35.0 4.3 1.7 0.25| 9.2 2.3 3000 296 15 175 5| 1.3 6.4 7.7| 39.6 -39.3 0.2 0.1 0.19| 9.4 1.8 4000 283 19 217 9| 1.0 4.5 5.5| 41.2 -76.7 -35.5 -8.9 0.07| 8.3 0.5 5000 280 22 225 11| 0.8 3.6 4.4| 65.0 -76.7 -11.8 -2.4 0.12| 7.3 0.9 6000 280 24 233 12| 1.2 3.0 4.2|105.5 -76.7 28.7 4.8 0.21| 6.7 1.4 Wrote GIF file: /home/apache/climate/data/raob//FAIR/skewt/FAIR.skewt.20251201.00.gif