UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2026010912.upa.cvt Date: 1200Z 9 JAN 26 Searching for FAIR... Searching the city database file for: FAIR ... Date:1200Z 9 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 96 1 925 778 2 850 1518 280 13 SFC 849 1500 25.6 17.6 61 8.0 19.9 280 13 313.1 315.9 298.6 359.6 15.09 4 847 1521 24.2 16.2 61 8.0 18.6 280 13 311.8 314.4 297.5 354.2 13.81 5 700 3186 11.8 11.8 100 0.0 11.8 160 7 315.6 318.0 297.6 354.6 12.53 6 690 3306 11.0 11.0 100 0.0 11.0 157 7 316.0 318.3 297.4 353.6 12.05 7 689 3318 9.8 9.8 100 0.0 9.8 157 7 314.8 316.9 296.5 349.3 11.12 8 681 3415 8.6 8.6 100 0.0 8.6 154 6 314.5 316.5 295.9 346.7 10.36 9 678 3452 8.2 7.2 93 1.0 7.6 153 6 314.4 316.2 295.3 343.8 9.45 10 647 3839 8.8 2.8 66 6.0 5.3 144 5 319.3 320.8 294.9 342.5 7.26 11 641 3916 5.8 3.7 86 2.1 4.6 142 5 316.8 318.3 294.7 341.4 7.81 12 638 3954 8.4 0.4 57 8.0 3.9 141 5 320.2 321.4 294.3 340.1 6.19 13 630 4059 8.4 -1.6 49 10.0 3.0 143 5 321.3 322.4 294.0 338.9 5.41 14 626 4111 8.0 -3.0 46 11.0 2.2 144 5 321.5 322.4 293.7 337.4 4.90 15 500 5920 -6.3 -19.3 35 13.0 -10.7 220 14 325.4 325.7 292.0 331.1 1.66 16 491 6062 -6.7 -17.7 41 11.0 -10.6 223 15 326.6 326.9 292.6 333.2 1.94 17 483 6190 -7.9 -22.9 29 15.0 -12.5 225 16 326.6 326.9 292.0 331.0 1.25 18 422 7219 -17.7 -17.7 100 0.0 -17.7 170 15 326.9 327.4 293.0 334.7 2.26 19 412 7398 -19.1 -19.1 100 0.0 -19.1 116 18 327.4 327.8 292.9 334.5 2.05 20 407 7488 -19.1 -19.1 100 0.0 -19.1 89 20 328.5 328.9 293.3 335.7 2.08 21 402 7582 -11.7 -11.9 98 0.2 -11.8 61 21 339.3 340.1 297.2 352.7 3.83 22 401 7601 -9.9 -11.2 90 1.3 -10.5 56 22 341.9 342.7 298.0 356.2 4.06 23 400 7620 -10.3 -12.1 87 1.8 -11.1 50 22 341.6 342.4 297.7 355.0 3.78 24 394 7736 -13.7 -13.7 100 0.0 -13.7 51 21 338.6 339.3 296.7 350.5 3.37 25 393 7755 -12.3 -12.3 100 0.0 -12.3 51 21 340.7 341.5 297.5 354.1 3.79 26 382 7972 -11.9 -11.9 100 0.0 -11.9 53 20 344.0 344.9 298.4 358.4 4.03 27 380 8012 -13.7 -13.7 100 0.0 -13.7 53 20 342.2 342.9 297.6 354.6 3.50 28 365 8318 -14.5 -14.5 100 0.0 -14.5 56 18 345.1 345.8 298.2 357.3 3.41 29 344 8762 -19.7 -19.7 100 0.0 -19.7 67 16 343.9 344.4 297.1 352.4 2.33 TRP WND Sounding variables and indices 1000-500 mb thick: 5824.00 m Freezing level: 555.51 mb = 5123.24 m = 16808.33 ft Wetbulb zero: 604.62 mb = 4391.18 m = 14406.57 ft Sfc-500 mean rel hum: 63.21 % Est. max temperature: 28.01 C = 82.41 F Sfc-Lift cond lev (LCL): 755.33 mb = 2521.54 m = 8272.68 ft T: 16.75 C 700-500 lapse rate: 6.62 C/km ThetaE index: 5.41 C Layer 847.0- 700.0 mb Conv cond level (CCL): 714.50 mb = 3006.94 m = 9865.17 ft Mean mixing ratio: 13.42 g/kg Conv temperature: 27.61 C = 81.70 F Cap Strength: 1.45 C Lifted Index: -4.85 C Risk: Severe thunderstorms probable Lifted Index @700 mb: 0.03 C Parcel Indices Parcel: using 100 mb layer CAPE (B+): 619.08 J/kg Max Up Vert Vel: 35.19 m/s Conv Inhibition (B-): 16.82 J/kg Cap Strength: 1.45 C Lift Cond Lev (LCL): 735.96 mb = 2748.46 m = 9017.15 ft Lev Free Conv (LFC): 690.96 mb = 3294.68 m = 10809.18 ft Equ Level (EL): 630.96 mb = 4046.24 m = 13274.91 ft B at Equ Level: 26.74 J/kg Wind level data Storm motion: 237 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 ---------------------------------------------------------- 0 849 1500 280 13 12.8 -2.3 | 309 9 7.2 -5.9 1 790 2134 280 6 5.9 -1.0 | 356 5 0.3 -4.7 2 763 2438 250 2 1.9 0.7 | 51 5 -3.7 -3.0 3 700 3186 160 7 -2.4 6.6 | 110 8 -8.0 2.9 4 636 3962 140 5 -3.2 3.8 | 91 9 -8.8 0.2 5 590 4572 160 5 -1.7 4.7 | 98 7 -7.3 1.0 6 548 5182 170 5 -0.9 4.9 | 101 7 -6.4 1.3 7 500 5920 220 14 9.0 10.7 | 206 8 3.4 7.1 8 469 6401 230 18 13.8 11.6 | 226 11 8.2 7.9 9 433 7010 230 11 8.4 7.1 | 220 4 2.8 3.4 10 400 7620 50 22 -16.9 -14.1 | 52 29 -22.4 -17.8 11 367 8230 55 18 -14.7 -10.3 | 55 25 -20.3 -14.0 12 338 8839 70 15 -14.1 -5.1 | 66 22 -19.7 -8.8 Wind Parameters Mean winds (0-6000m): 206.7 at 8.9 knts Storm direction: 236.7 at 6.7 knts Shear (0-3000m) pos: 0.2 neg: 2.9 tot: 3.2 10-3/s Storm rel Dir Shear (0-3000m): 147.9 deg Storm rel helicity (0-3000m) pos: 18.4 neg: -6.9 tot: 11.5 m^2/s^2 ave: 3.8 10^-3 m/s^2 rel: 0.45 Storm rel vorticity (0-3000m) horiz: 4.1 stream: 1.8 10^-3/s Energy-Hel index: 0.06 Bulk Rich Number: 35.41 Bulk Shear: 17.48 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 ------------------------------------------------------------------------------- 500 280 10 320 7| 0.0 5.7 5.7| 6.7 0.0 6.7 13.4 0.66| 5.7 3.8 1000 278 7 340 5| 0.0 5.8 5.8| 12.7 0.0 12.7 12.7 0.79| 5.9 4.7 1500 265 6 348 3| 0.0 5.1 5.1| 16.6 0.0 16.6 11.1 0.76| 5.8 4.4 2000 239 6 16 0| 0.0 4.5 4.5| 16.7 -3.2 13.4 6.7 0.55| 5.4 3.0 2500 216 6 124 2| 0.0 3.5 3.5| 16.7 -6.9 9.7 3.9 0.44| 4.6 2.0 3000 200 6 119 4| 0.2 2.9 3.2| 18.4 -6.9 11.5 3.8 0.45| 4.1 1.8 4000 189 6 115 5| 0.9 2.2 3.1| 27.2 -6.9 20.3 5.1 0.53| 3.8 2.0 5000 207 8 146 4| 1.8 1.8 3.6| 49.0 -7.1 41.9 8.4 0.61| 4.5 2.7 6000 207 9 160 5| 1.5 4.2 5.7| 49.0-149.3-100.3 -16.7 -0.08| 7.6 -0.6 Wrote GIF file: /home/apache/climate/data/raob//FAIR/skewt/FAIR.skewt.20260109.12.gif