UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2026011712.upa.cvt Date: 1200Z 17 JAN 26 Searching for FAIR... Searching the city database file for: FAIR ... Date:1200Z 17 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 61 1 925 739 2 850 1474 30 4 SFC 845 1500 23.8 16.8 65 7.0 18.9 30 4 311.6 314.3 297.8 355.7 14.39 4 840 1553 21.8 14.8 64 7.0 17.0 31 4 310.0 312.4 296.4 348.8 12.70 5 738 2678 12.4 12.2 99 0.2 12.3 95 4 311.5 313.8 296.4 348.9 12.20 6 736 2701 12.2 11.7 97 0.5 11.9 96 4 311.5 313.7 296.1 347.8 11.83 7 700 3127 10.2 8.7 90 1.5 9.2 115 5 313.8 315.7 295.6 345.2 10.15 8 598 4423 3.8 3.8 100 0.0 3.8 138 12 320.8 322.5 296.1 347.8 8.44 9 584 4614 0.8 0.8 100 0.0 0.8 147 15 319.5 320.9 294.7 341.8 6.97 10 534 5330 -2.5 -2.5 100 0.0 -2.5 171 7 323.8 325.0 295.1 343.3 5.97 11 512 5663 -4.1 -6.9 81 2.8 -5.4 122 6 325.8 326.7 294.5 340.6 4.46 12 500 5850 -5.7 -10.6 68 4.9 -7.8 95 6 326.1 326.8 293.7 337.6 3.41 13 490 6009 -6.5 -11.5 68 5.0 -8.6 71 5 327.0 327.6 293.8 337.9 3.24 14 487 6057 -7.5 -17.5 45 10.0 -11.1 63 5 326.3 326.7 292.6 333.2 1.99 15 482 6137 -7.9 -21.9 31 14.0 -12.3 51 4 326.8 327.1 292.2 331.6 1.37 16 459 6519 -7.7 -12.2 70 4.5 -9.6 17 3 331.7 332.3 295.0 342.9 3.27 17 449 6691 -8.9 -12.2 77 3.3 -10.3 29 4 332.3 332.9 295.2 343.8 3.34 18 426 7097 -11.5 -16.3 68 4.8 -13.3 50 6 334.0 334.5 295.0 342.8 2.51 19 414 7317 -12.1 -29.1 23 17.0 -16.5 50 8 335.9 336.1 294.1 339.0 0.83 20 400 7580 -13.5 -25.5 36 12.0 -16.9 50 11 337.4 337.7 294.8 341.9 1.20 21 399 7599 -13.7 -24.7 39 11.0 -16.9 52 11 337.4 337.7 294.8 342.2 1.29 22 388 7812 -14.3 -39.3 10 25.0 -19.1 69 9 339.3 339.4 294.5 340.6 0.33 23 380 7969 -15.1 -44.1 6 29.0 -20.0 82 7 340.3 340.4 294.6 341.1 0.20 24 371 8150 -16.3 -49.3 4 33.0 -21.1 97 5 341.1 341.1 294.7 341.5 0.12 25 340 8800 -22.3 -35.3 30 13.0 -24.8 191 8 341.5 341.6 295.2 343.7 0.56 26 337 8865 -22.5 -54.5 4 32.0 -25.9 201 8 342.1 342.1 294.9 342.4 0.07 27 335 8909 -22.7 -31.7 44 9.0 -24.6 208 8 342.4 342.6 295.6 345.5 0.80 28 331 8997 -23.1 -40.1 20 17.0 -25.8 220 7 343.0 343.1 295.4 344.4 0.35 29 314 9381 -26.5 -49.5 10 23.0 -29.0 277 5 343.5 343.6 295.3 344.1 0.13 30 311 9451 -26.7 -35.7 42 9.0 -28.3 287 5 344.2 344.3 295.8 346.5 0.59 31 305 9591 -27.5 -43.5 20 16.0 -29.6 307 4 345.0 345.0 295.7 346.1 0.27 32 300 9710 -28.5 -39.5 34 11.0 -30.1 325 3 345.2 345.3 295.9 346.9 0.41 33 293 9878 -29.9 -36.9 51 7.0 -31.0 324 4 345.6 345.7 296.1 347.7 0.55 34 283 10122 -31.9 -46.9 21 15.0 -33.5 323 7 346.1 346.2 296.0 347.0 0.20 35 276 10298 -33.5 -41.5 44 8.0 -34.5 323 8 346.3 346.4 296.1 347.8 0.36 36 269 10476 -34.9 -48.9 23 14.0 -36.1 322 10 346.8 346.9 296.1 347.5 0.17 37 262 10659 -36.5 -41.3 61 4.8 -37.1 321 11 347.1 347.2 296.3 348.7 0.39 38 250 10980 -38.9 -43.8 60 4.9 -39.4 320 14 348.2 348.3 296.5 349.5 0.31 39 243 11174 -40.9 -43.9 73 3.0 -41.2 320 14 348.1 348.1 296.5 349.4 0.32 40 228 11605 -43.9 -52.9 36 9.0 -44.4 320 14 349.9 349.9 296.7 350.4 0.12 41 200 12470 -51.9 -56.2 60 4.3 -52.1 320 13 350.6 350.6 296.8 351.0 0.09 42 198 12535 -52.5 -56.6 61 4.1 -52.7 319 13 350.6 350.7 296.8 351.0 0.09 43 185 12969 -56.3 -61.3 53 5.0 -56.4 311 15 351.4 351.4 297.0 351.6 0.05 44 173 13392 -59.5 -66.5 40 7.0 -59.6 302 17 352.9 352.9 297.3 353.0 0.03 45 150 14270 -65.9 -71.9 43 6.0 -66.0 285 21 356.6 356.6 298.0 356.6 0.02 46 141 14643 -68.7 -75.7 36 7.0 -68.8 298 21 358.0 358.0 298.3 358.1 0.01 47 128 15216 -73.5 -77.6 53 4.1 -73.5 318 22 359.4 359.4 298.6 359.5 0.01 48 127 15261 -73.9 -78.2 51 4.3 -73.9 320 22 359.5 359.5 298.6 359.5 0.01 49 110 16092 -77.9 -82.8 45 4.9 -77.9 350 23 367.1 367.1 300.1 367.1 0.00 50 108 16197 -78.1 -83.1 44 5.0 -78.1 354 23 368.6 368.6 300.3 368.6 0.00 51 104 16414 -75.9 -81.9 38 6.0 -75.9 2 24 376.8 376.8 301.7 376.9 0.00 52 100 16640 -76.3 -83.3 32 7.0 -76.3 10 24 380.3 380.3 302.3 380.3 0.00 53 79 17991 -80.3 -87.3 30 7.0 -80.3 25 23 398.6 398.6 305.0 398.6 0.00 54 70 18680 -78.3 -86.3 26 8.0 -78.3 35 14 416.9 416.9 307.3 416.9 0.00 55 64 19190 -78.7 -86.7 26 8.0 -78.7 38 21 426.8 426.8 308.5 426.8 0.00 56 60 19562 -74.1 -85.1 17 11.0 -74.2 40 25 445.1 445.1 310.4 445.1 0.00 57 50 20640 -68.1 -86.1 6 18.0 -68.3 45 39 483.0 483.0 313.7 483.0 0.00 58 48 20885 -68.7 -86.7 6 18.0 -68.9 47 38 487.3 487.3 314.0 487.3 0.00 59 42 21698 -61.9 -91.9 1 30.0 -62.4 54 36 523.1 523.1 316.5 523.1 0.00 60 41 21847 -61.3 -92.3 1 31.0 -61.9 55 36 528.2 528.2 316.8 528.2 0.00 61 32 23386 -60.9 -91.9 1 31.0 -61.7 67 31 568.0 568.0 319.0 568.0 0.00 62 30 23790 -58.5 -89.5 1 31.0 -59.6 70 30 585.2 585.2 319.9 585.2 0.00 63 27 24457 -54.3 -87.3 1 33.0 -56.2 74 30 614.9 614.9 321.3 614.9 0.01 64 20 26380 -53.7 -86.7 1 33.0 -56.2 85 31 671.8 671.8 323.5 671.9 0.01 65 19 26710 -53.7 -86.7 1 33.0 -56.3 681.7 681.7 323.9 681.8 0.01 66 17 27434 -47.9 -82.9 1 35.0 -52.5 722.4 722.4 325.1 722.6 0.02 67 12 29740 -46.3 -81.3 1 35.0 -52.7 803.7 803.7 327.3 804.1 0.04 TRP 79 17991 -80.3 -87.3 30 7.0 -80.3 25 23 398.6 398.6 305.0 398.6 0.00 WND Sounding variables and indices 1000-500 mb thick: 5789.00 m Freezing level: 571.88 mb = 4787.86 m = 15708.02 ft Wetbulb zero: 572.09 mb = 4779.10 m = 15679.27 ft Sfc-500 mean rel hum: 91.07 % Est. max temperature: 26.18 C = 79.12 F Sfc-Lift cond lev (LCL): 762.56 mb = 2393.13 m = 7851.39 ft T: 14.78 C 700-500 lapse rate: 5.84 C/km ThetaE index: 6.98 C Layer 840.0- 738.0 mb Conv cond level (CCL): 740.59 mb = 2647.12 m = 8684.67 ft Mean mixing ratio: 12.52 g/kg Conv temperature: 23.64 C = 74.55 F Cap Strength: 0.58 C Lifted Index: -2.38 C Risk: Severe thunderstorms possible Lifted Index @300 mb: 0.43 C Lifted Index @700 mb: -0.13 C Parcel Indices Parcel: using 100 mb layer CAPE (B+): 192.69 J/kg Max Up Vert Vel: 19.63 m/s Conv Inhibition (B-): 1.67 J/kg Cap Strength: 0.85 C Lift Cond Lev (LCL): 748.20 mb = 2558.33 m = 8393.38 ft Lev Free Conv (LFC): 723.20 mb = 2849.90 m = 9349.96 ft Equ Level (EL): 403.20 mb = 7519.09 m = 24668.63 ft B at Equ Level: 192.01 J/kg Max Parcel Lev (MPL): 173.20 mb = 13384.60 m = 43912.19 ft Wind level data Storm motion: 137 at 5 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 ---------------------------------------------------------- 0 845 1500 30 4 -2.0 -3.5 | 349 7 1.3 -7.0 1 785 2134 45 7 -4.9 -4.9 | 11 9 -1.6 -8.5 2 758 2438 85 4 -4.0 -0.3 | 9 4 -0.6 -3.9 3 700 3127 115 5 -4.5 2.1 | 40 2 -1.2 -1.4 4 631 3962 120 6 -5.2 3.0 | 74 2 -1.9 -0.5 5 586 4572 145 15 -8.6 12.3 | 149 10 -5.3 8.7 6 543 5182 190 7 1.2 6.9 | 234 6 4.6 3.3 7 500 5850 95 6 -6.0 0.5 | 41 4 -2.6 -3.0 8 466 6401 10 3 -0.5 -3.0 | 337 7 2.8 -6.5 9 430 7010 50 5 -3.8 -3.2 | 4 7 -0.5 -6.8 10 400 7580 50 11 -8.4 -7.1 | 26 12 -5.1 -10.6 11 366 8230 105 4 -3.9 1.0 | 12 3 -0.5 -2.5 12 337 8839 200 8 2.7 7.5 | 237 7 6.1 4.0 13 300 9710 325 3 1.7 -2.5 | 320 8 5.1 -6.0 14 250 10980 320 14 9.0 -10.7 | 319 19 12.3 -14.3 15 200 12470 320 13 8.4 -10.0 | 319 18 11.7 -13.5 16 150 14270 285 21 20.3 -5.4 | 291 25 23.6 -9.0 17 100 16640 10 24 -4.2 -23.6 | 2 27 -0.8 -27.2 18 79 17991 25 23 -9.7 -20.8 | 15 25 -6.4 -24.4 19 70 18680 35 14 -8.0 -11.5 | 17 16 -4.7 -15.0 20 50 20640 45 39 -27.6 -27.6 | 38 39 -24.2 -31.1 21 30 23790 70 30 -28.2 -10.3 | 61 28 -24.8 -13.8 22 20 26380 85 31 -30.9 -2.7 | 77 28 -27.5 -6.2 Wind Parameters Mean winds (0-6000m): 106.7 at 6.5 knts Storm direction: 136.7 at 4.9 knts Shear (0-3000m) pos: 2.7 neg: 0.0 tot: 2.7 10-3/s Storm rel Dir Shear (0-3000m): 155.8 deg Storm rel helicity (0-3000m) pos: 15.7 neg: -0.5 tot: 15.2 m^2/s^2 ave: 5.1 10^-3 m/s^2 rel: 0.53 Storm rel vorticity (0-3000m) horiz: 3.5 stream: 1.9 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 32.83 Bulk Shear: 5.87 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 38 5 359 8| 2.7 0.0 2.7| 4.7 0.0 4.7 9.5 0.89| 2.7 2.4 1000 47 5 5 7| 2.0 0.0 2.0| 7.5 -0.5 7.0 7.0 0.40| 4.2 1.7 1500 62 5 11 6| 1.9 0.0 1.9| 8.3 -0.5 7.8 5.2 0.43| 3.4 1.5 2000 77 5 19 5| 1.7 0.0 1.7| 8.7 -0.5 8.2 4.1 0.46| 2.8 1.3 2500 88 5 27 4| 1.6 0.0 1.6| 9.3 -0.5 8.8 3.5 0.51| 2.5 1.3 3000 103 6 50 3| 2.7 0.0 2.7| 15.7 -0.5 15.2 5.1 0.53| 3.5 1.9 4000 125 7 102 3| 1.7 0.7 2.3| 38.4 -3.6 34.9 8.7 0.49| 4.9 2.4 5000 120 7 84 2| 1.3 1.3 2.6| 39.3 -16.3 23.1 4.6 0.15| 5.3 0.8 6000 107 6 60 3| 0.9 1.1 2.0| 51.4 -16.3 35.2 5.9 0.23| 5.1 1.2 Wrote GIF file: /home/apache/climate/data/raob//FAIR/skewt/FAIR.skewt.20260117.12.gif