UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2026010612.upa.cvt Date: 1200Z 6 JAN 26 Searching for FAIR... Searching the city database file for: FAIR ... Date:1200Z 6 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 73 1 925 757 2 850 1498 330 6 SFC 847 1500 26.4 15.4 51 11.0 18.7 330 6 314.1 316.6 297.7 354.7 13.10 4 845 1521 23.8 12.8 50 11.0 16.4 330 6 311.6 313.7 295.6 345.6 11.06 5 836 1616 22.6 11.6 50 11.0 15.4 327 8 311.3 313.3 295.0 343.0 10.32 6 744 2634 13.0 9.7 80 3.3 10.9 323 11 311.4 313.3 295.0 342.8 10.21 7 725 2855 11.2 9.0 86 2.2 9.8 332 8 311.7 313.6 294.9 342.5 9.99 8 700 3153 9.0 6.8 86 2.2 7.6 345 4 312.5 314.1 294.3 340.0 8.90 9 644 3839 5.6 -3.4 52 9.0 1.1 220 7 316.1 317.0 292.0 330.9 4.62 10 627 4057 3.6 -4.4 56 8.0 -0.3 190 8 316.3 317.1 291.8 330.4 4.40 11 619 4161 2.0 -1.1 80 3.1 0.4 184 9 315.6 316.7 292.7 333.7 5.71 12 606 4332 2.4 -7.6 48 10.0 -2.2 175 10 318.0 318.7 291.6 329.6 3.56 13 595 4480 1.2 -6.8 55 8.0 -2.6 166 10 318.3 319.0 291.9 330.8 3.86 14 567 4868 1.8 -27.2 9 29.0 -6.9 165 10 323.4 323.5 290.6 326.0 0.72 15 560 4968 1.6 -25.4 11 27.0 -6.8 166 9 324.3 324.5 291.0 327.4 0.86 16 535 5334 -0.9 -37.9 4 37.0 -9.5 172 9 325.6 325.6 290.7 326.6 0.27 17 500 5870 -5.3 -38.3 5 33.0 -12.4 180 12 326.6 326.6 291.0 327.6 0.28 18 435 6947 -13.7 -38.7 10 25.0 -18.3 167 17 329.2 329.3 291.8 330.4 0.31 19 430 7035 -14.5 -36.5 14 22.0 -18.8 165 17 329.3 329.3 291.9 330.7 0.39 20 401 7561 -17.7 -28.7 38 11.0 -20.3 170 34 331.7 331.9 293.0 335.0 0.89 21 400 7580 -17.7 -29.7 34 12.0 -20.4 170 35 332.0 332.1 293.0 335.0 0.81 22 399 7599 -17.9 -29.9 34 12.0 -20.6 170 35 332.0 332.1 293.0 334.9 0.80 23 396 7655 -16.5 -36.5 16 20.0 -20.4 171 35 334.5 334.6 293.3 336.1 0.42 24 393 7712 -16.5 -37.5 14 21.0 -20.5 172 34 335.2 335.3 293.5 336.7 0.39 25 388 7809 -17.1 -39.1 13 22.0 -21.0 173 34 335.7 335.7 293.6 337.0 0.33 26 319 9241 -29.5 -49.5 13 20.0 -31.4 169 26 337.8 337.8 293.9 338.3 0.13 27 316 9309 -28.5 -63.5 2 35.0 -30.9 165 27 340.1 340.1 294.4 340.2 0.02 28 308 9492 -28.9 -53.9 7 25.0 -31.1 155 29 342.1 342.1 294.9 342.4 0.08 29 300 9680 -30.7 -52.7 10 22.0 -32.6 145 32 342.1 342.1 294.9 342.5 0.10 30 271 10389 -37.3 -48.3 31 11.0 -38.2 134 38 342.6 342.7 295.1 343.3 0.18 31 270 10415 -37.3 -48.3 31 11.0 -38.2 133 38 343.0 343.0 295.2 343.7 0.18 32 250 10940 -41.1 -53.1 26 12.0 -41.8 125 42 345.0 345.0 295.6 345.4 0.11 33 205 12260 -52.5 -60.5 37 8.0 -52.7 116 36 347.2 347.2 296.1 347.4 0.05 34 200 12420 -53.9 -63.9 28 10.0 -54.1 115 35 347.4 347.4 296.1 347.6 0.04 35 192 12682 -55.9 -71.9 12 16.0 -56.1 124 33 348.3 348.3 296.3 348.3 0.01 36 185 12917 -57.7 -71.7 15 14.0 -57.9 133 32 349.1 349.1 296.4 349.1 0.01 37 150 14220 -65.3 -78.3 15 13.0 -65.4 180 24 357.6 357.6 298.2 357.6 0.01 38 143 14511 -65.1 -80.1 11 15.0 -65.2 175 24 362.9 362.9 299.2 362.9 0.00 39 117 15705 -74.3 -83.3 24 9.0 -74.3 152 22 367.3 367.3 300.1 367.3 0.00 40 112 15960 -72.9 -82.9 21 10.0 -72.9 148 22 374.5 374.5 301.4 374.6 0.00 41 100 16620 -75.3 -85.3 19 10.0 -75.3 135 21 382.2 382.2 302.6 382.3 0.00 42 85 17563 -74.3 -85.3 17 11.0 -74.3 153 19 402.4 402.5 305.5 402.5 0.00 43 75 18284 -77.7 -86.7 22 9.0 -77.7 167 17 410.0 410.0 306.5 410.0 0.00 44 73 18439 -78.3 -87.3 22 9.0 -78.3 170 17 411.9 411.9 306.7 411.9 0.00 45 70 18680 -74.7 -86.7 14 12.0 -74.7 115 22 424.6 424.6 308.2 424.6 0.00 46 69 18764 -73.3 -85.3 14 12.0 -73.3 114 22 429.3 429.3 308.7 429.4 0.00 47 65 19110 -74.9 -86.9 14 12.0 -75.0 107 22 433.2 433.2 309.2 433.2 0.00 48 60 19578 -70.7 -85.7 9 15.0 -70.8 99 22 452.7 452.7 311.1 452.7 0.00 49 50 20660 -68.9 -87.9 5 19.0 -69.1 80 21 481.1 481.1 313.5 481.1 0.00 50 47 21033 -68.1 -89.1 3 21.0 -68.3 84 21 491.6 491.6 314.4 491.6 0.00 51 37 22506 -59.3 -90.3 1 31.0 -60.1 98 21 549.0 549.0 318.1 549.1 0.00 52 30 23830 -57.3 -89.3 1 32.0 -58.6 110 21 588.4 588.4 320.0 588.5 0.00 53 27 24493 -58.7 -89.7 1 31.0 -59.9 104 24 602.5 602.5 320.7 602.5 0.00 54 20 26400 -53.1 -86.1 1 33.0 -55.8 85 32 673.6 673.6 323.6 673.7 0.01 55 19 26731 -52.7 -85.7 1 33.0 -55.5 684.8 684.8 323.9 684.9 0.01 TRP 73 18439 -78.3 -87.3 22 9.0 -78.3 170 17 411.9 411.9 306.7 411.9 0.00 WND Sounding variables and indices 1000-500 mb thick: 5797.00 m Freezing level: 544.00 mb = 5202.43 m = 17068.14 ft Wetbulb zero: 631.01 mb = 4004.77 m = 13138.86 ft Sfc-500 mean rel hum: 49.64 % Est. max temperature: 24.99 C = 76.98 F Sfc-Lift cond lev (LCL): 721.13 mb = 2900.70 m = 9516.61 ft T: 10.86 C 700-500 lapse rate: 5.26 C/km ThetaE index: 24.33 C Layer 845.0- 619.0 mb Conv cond level (CCL): 699.12 mb = 3163.29 m = 10378.11 ft Mean mixing ratio: 10.34 g/kg Conv temperature: 24.87 C = 76.76 F Cap Strength: 2.11 C Lifted Index: 0.19 C Risk: Showers probable Lifted Index @300 mb: 1.51 C Lifted Index @700 mb: 0.37 C Parcel Indices Parcel: using 100 mb layer CAPE (B+): 106.66 J/kg Max Up Vert Vel: 14.61 m/s Conv Inhibition (B-): 15.49 J/kg Cap Strength: 2.60 C Lift Cond Lev (LCL): 710.10 mb = 3031.44 m = 9945.56 ft Lev Free Conv (LFC): 635.10 mb = 3952.13 m = 12966.15 ft Equ Level (EL): 585.10 mb = 4614.81 m = 15140.28 ft B at Equ Level: 18.25 J/kg Max Parcel Lev (MPL): 555.10 mb = 5038.48 m = 16530.24 ft Wind level data Storm motion: 217 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 ---------------------------------------------------------- 0 847 1500 330 6 3.0 -5.2 | 11 13 -2.4 -12.3 1 787 2134 315 15 10.6 -10.6 | 344 18 5.2 -17.7 2 760 2438 315 13 9.2 -9.2 | 347 17 3.8 -16.3 3 700 3153 345 4 1.0 -3.9 | 22 12 -4.3 -11.0 4 633 3962 195 8 2.1 7.7 | 101 3 -3.3 0.6 5 587 4572 160 11 -3.8 10.3 | 110 10 -9.1 3.2 6 544 5182 170 8 -1.4 7.9 | 97 7 -6.8 0.8 7 500 5870 180 12 0.0 12.0 | 132 7 -5.4 4.9 8 467 6401 180 17 0.0 17.0 | 152 11 -5.4 9.9 9 431 7010 165 17 -4.4 16.4 | 134 13 -9.8 9.3 10 400 7580 170 35 -6.1 34.5 | 157 30 -11.4 27.4 11 366 8230 180 32 0.0 32.0 | 168 25 -5.4 24.9 12 337 8839 190 20 3.5 19.7 | 171 13 -1.9 12.6 13 300 9680 145 32 -18.4 26.2 | 129 30 -23.7 19.1 14 250 10940 125 42 -34.4 24.1 | 113 43 -39.8 17.0 15 200 12420 115 35 -31.7 14.8 | 102 38 -37.1 7.7 16 150 14220 180 24 0.0 24.0 | 162 18 -5.4 16.9 17 100 16620 135 21 -14.8 14.8 | 111 22 -20.2 7.7 18 73 18439 170 17 -3.0 16.7 | 139 13 -8.3 9.6 19 70 18680 115 22 -19.9 9.3 | 95 25 -25.3 2.2 20 50 20660 80 21 -20.7 -3.6 | 68 28 -26.0 -10.7 21 30 23830 110 21 -19.7 7.2 | 90 25 -25.1 0.1 22 20 26400 85 32 -31.9 -2.8 | 75 39 -37.2 -9.9 Wind Parameters Mean winds (0-6000m): 187.1 at 11.9 knts Storm direction: 217.1 at 8.9 knts Shear (0-3000m) pos: 1.2 neg: 2.0 tot: 3.2 10-3/s Storm rel Dir Shear (0-3000m): 99.9 deg Storm rel helicity (0-3000m) pos: 38.9 neg: -41.0 tot: -2.1 m^2/s^2 ave: -0.7 10^-3 m/s^2 rel: 0.06 Storm rel vorticity (0-3000m) horiz: 7.2 stream: 0.4 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 2.09 Bulk Shear: 51.13 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 ------------------------------------------------------------------------------- 500 320 10 357 14| 0.0 7.5 7.5| 0.0 -22.4 -22.4 -44.9 -0.77| 7.6 -5.9 1000 318 12 351 16| 0.0 3.3 3.3| 7.6 -29.0 -21.4 -21.4 -0.47| 6.0 -2.8 1500 319 11 354 15| 2.4 2.2 4.6| 32.3 -29.0 3.3 2.2 0.05| 6.4 0.3 2000 318 9 357 14| 1.8 2.2 4.0| 35.8 -39.0 -3.2 -1.6 -0.07| 6.6 -0.5 2500 311 9 354 13| 1.4 2.2 3.7| 38.1 -40.5 -2.4 -1.0 0.05| 7.6 0.4 3000 296 9 346 11| 1.2 2.0 3.2| 38.9 -41.0 -2.1 -0.7 0.06| 7.2 0.4 4000 249 9 321 5| 0.7 1.5 2.2| 42.3 -45.0 -2.7 -0.7 0.05| 6.2 0.3 5000 207 10 154 2| 0.7 1.6 2.4| 53.7 -46.9 6.8 1.4 0.13| 5.8 0.7 6000 187 12 140 6| 1.9 1.3 3.3| 91.0 -57.3 33.6 5.6 0.15| 6.5 0.9 Wrote GIF file: /home/apache/climate/data/raob//FAIR/skewt/FAIR.skewt.20260106.12.gif