UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121211.upa.cvt Date: 1100Z 12 DEC 25 Searching for FAIR... Searching the city database file for: FAIR ... Date:1100Z 12 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 106 1 925 784 2 850 1520 60 7 SFC 849 1500 24.0 15.0 57 9.0 17.8 60 7 311.4 313.8 296.7 350.4 12.73 4 755 2521 13.6 1.6 44 12.0 6.9 312 14 310.7 311.8 291.3 328.5 5.70 5 751 2566 13.8 -1.2 35 15.0 5.9 313 14 311.4 312.3 290.6 326.1 4.67 6 746 2624 13.4 -1.6 35 15.0 5.6 315 14 311.6 312.5 290.6 325.9 4.56 7 700 3163 9.8 -4.2 37 14.0 2.8 330 13 313.3 314.1 290.6 326.1 4.00 8 628 4051 2.4 -4.6 60 7.0 -1.0 237 8 314.8 315.6 291.3 328.6 4.33 9 597 4459 2.4 -24.6 12 27.0 -6.0 304 8 319.4 319.5 289.5 322.4 0.87 10 585 4623 1.6 -31.4 6 33.0 -7.2 325 8 320.3 320.4 289.3 322.0 0.47 11 523 5516 -3.9 -15.9 39 12.0 -8.4 329 18 324.1 324.5 292.0 331.3 2.12 12 522 5531 -4.1 -17.1 36 13.0 -8.8 330 18 324.0 324.4 291.9 330.6 1.92 13 517 5607 -3.7 -30.7 10 27.0 -10.8 332 20 325.4 325.5 291.0 327.5 0.57 14 504 5807 -4.3 -43.3 3 39.0 -11.9 338 23 327.1 327.1 291.0 327.7 0.16 15 500 5870 -4.7 -43.7 3 39.0 -12.2 340 24 327.3 327.3 291.1 327.9 0.16 16 480 6190 -6.1 -43.1 4 37.0 -13.3 337 25 329.4 329.5 291.7 330.1 0.18 17 400 7590 -16.5 -43.5 8 27.0 -20.8 320 22 333.5 333.6 292.9 334.3 0.20 18 397 7647 -16.9 -44.9 7 28.0 -21.1 320 22 333.7 333.8 292.9 334.4 0.18 19 385 7876 -18.7 -31.7 31 13.0 -21.5 318 23 334.3 334.5 293.6 336.9 0.70 20 380 7973 -19.5 -46.5 7 27.0 -23.2 317 23 334.5 334.5 293.1 335.1 0.15 21 370 8171 -21.1 -45.1 10 24.0 -24.4 316 24 335.0 335.0 293.2 335.7 0.18 22 369 8191 -21.3 -44.3 11 23.0 -24.5 315 24 334.9 335.0 293.3 335.7 0.20 23 337 8855 -24.9 -25.7 93 0.8 -25.1 275 36 338.8 339.1 295.3 344.0 1.40 24 323 9162 -27.1 -27.1 100 0.0 -27.1 275 35 339.9 340.2 295.4 344.7 1.29 25 304 9596 -30.3 -34.6 66 4.3 -31.0 275 33 341.4 341.5 295.3 343.9 0.67 26 300 9690 -30.9 -34.5 71 3.6 -31.5 275 33 341.8 342.0 295.4 344.4 0.68 27 272 10379 -36.1 -40.2 66 4.1 -36.6 264 23 344.0 344.1 295.7 345.7 0.42 28 269 10456 -36.9 -40.2 71 3.3 -37.3 263 22 343.9 344.0 295.7 345.6 0.43 29 257 10771 -39.5 -49.5 34 10.0 -40.2 258 17 344.6 344.6 295.6 345.3 0.16 30 250 10960 -41.1 -50.1 37 9.0 -41.7 255 14 345.0 345.0 295.7 345.6 0.16 31 200 12430 -54.5 -57.8 67 3.3 -54.6 255 26 346.5 346.5 295.9 346.8 0.08 32 193 12657 -56.5 -59.5 69 3.0 -56.6 254 29 346.8 346.8 296.0 347.1 0.07 33 186 12891 -58.7 -62.7 60 4.0 -58.8 252 33 346.9 346.9 296.0 347.1 0.04 34 173 13343 -62.5 -68.5 44 6.0 -62.6 250 39 347.9 347.9 296.2 348.0 0.02 35 150 14210 -69.1 -72.5 61 3.4 -69.1 245 52 351.1 351.1 296.9 351.1 0.01 36 148 14290 -69.7 -73.2 60 3.5 -69.7 247 51 351.4 351.4 297.0 351.4 0.01 37 143 14494 -70.9 -75.9 47 5.0 -70.9 254 48 352.7 352.7 297.3 352.8 0.01 38 139 14663 -69.9 -76.9 35 7.0 -69.9 259 45 357.4 357.4 298.2 357.4 0.01 39 138 14706 -69.5 -76.5 35 7.0 -69.5 260 45 358.8 358.8 298.5 358.9 0.01 40 115 15782 -74.1 -82.1 28 8.0 -74.1 294 29 369.5 369.5 300.5 369.5 0.00 41 112 15937 -72.1 -82.1 21 10.0 -72.2 299 27 376.0 376.0 301.6 376.1 0.00 42 107 16205 -72.9 -84.9 15 12.0 -72.9 307 23 379.5 379.5 302.2 379.5 0.00 43 100 16600 -74.9 -84.9 20 10.0 -74.9 320 17 383.0 383.0 302.7 383.0 0.00 44 90 17209 -77.5 -87.5 19 10.0 -77.5 335 25 389.6 389.6 303.7 389.6 0.00 45 71 18568 -77.7 -86.7 22 9.0 -77.7 17 13 416.5 416.5 307.3 416.5 0.00 46 70 18650 -75.7 -85.7 19 10.0 -75.7 20 12 422.4 422.4 308.0 422.5 0.00 47 62 19353 -72.7 -85.7 12 13.0 -72.8 29 13 444.0 444.0 310.3 444.0 0.00 48 50 20620 -69.5 -86.5 7 17.0 -69.6 45 14 479.7 479.7 313.4 479.7 0.00 49 46 21118 -69.7 -87.7 6 18.0 -69.9 51 14 490.8 490.8 314.3 490.8 0.00 50 42 21668 -64.1 -87.1 3 23.0 -64.5 57 15 517.6 517.6 316.1 517.6 0.00 51 33 23159 -60.5 -91.5 1 31.0 -61.3 73 16 564.1 564.1 318.9 564.1 0.00 52 30 23760 -55.9 -87.9 1 32.0 -57.3 80 17 592.2 592.2 320.3 592.3 0.01 53 20 26360 -49.7 -83.7 1 34.0 -53.2 65 12 684.0 684.1 323.9 684.2 0.02 54 17 27425 -49.1 -83.1 1 34.0 -53.3 718.5 718.5 325.0 718.7 0.02 TRP 90 17209 -77.5 -87.5 19 10.0 -77.5 335 25 389.6 389.6 303.7 389.6 0.00 WND Sounding variables and indices 1000-500 mb thick: 5764.00 m Freezing level: 566.96 mb = 4882.65 m = 16018.99 ft Wetbulb zero: 646.46 mb = 3813.86 m = 12512.50 ft Sfc-500 mean rel hum: 35.79 % Est. max temperature: 25.87 C = 78.57 F Sfc-Lift cond lev (LCL): 743.86 mb = 2647.86 m = 8687.10 ft T: 13.24 C 700-500 lapse rate: 5.36 C/km ThetaE index: 24.49 C Layer 755.0- 700.0 mb Conv cond level (CCL): 662.88 mb = 3608.72 m = 11839.49 ft Mean mixing ratio: 8.95 g/kg Conv temperature: 26.57 C = 79.82 F Cap Strength: 2.71 C Lifted Index: 2.66 C Risk: None Lifted Index @300 mb: 4.00 C Lifted Index @700 mb: 2.04 C Parcel Indices Parcel: using 100 mb layer CAPE (B+): 0.55 J/kg Max Up Vert Vel: 1.05 m/s Conv Inhibition (B-): 57.49 J/kg Cap Strength: 2.68 C Lift Cond Lev (LCL): 690.71 mb = 3272.23 m = 10735.54 ft Lev Free Conv (LFC): 635.71 mb = 3950.92 m = 12962.19 ft Equ Level (EL): 615.71 mb = 4210.24 m = 13812.97 ft B at Equ Level: -1.67 J/kg Max Parcel Lev (MPL): 615.71 mb = 4210.24 m = 13812.97 ft Wind level data Storm motion: 357 at 12 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 60 7 -6.1 -3.5 | 140 11 -6.7 8.1 1 789 2134 325 8 4.6 -6.6 | 218 6 3.9 5.1 2 761 2438 310 14 10.7 -9.0 | 255 10 10.0 2.6 3 700 3163 330 13 6.5 -11.3 | 266 6 5.8 0.4 4 634 3962 225 8 5.7 5.7 | 196 18 5.0 17.3 5 588 4572 325 8 4.6 -6.6 | 218 6 3.9 5.1 6 545 5182 320 13 8.4 -10.0 | 258 8 7.7 1.7 7 500 5870 340 24 8.2 -22.6 | 325 13 7.5 -10.9 8 467 6401 335 25 10.6 -22.7 | 318 15 9.9 -11.0 9 431 7010 330 28 14.0 -24.2 | 313 18 13.3 -12.6 10 400 7590 320 22 14.1 -16.9 | 291 14 13.5 -5.2 11 366 8230 315 24 17.0 -17.0 | 288 17 16.3 -5.3 12 337 8839 275 36 35.9 -3.1 | 256 36 35.2 8.5 13 300 9690 275 33 32.9 -2.9 | 255 33 32.2 8.7 14 250 10960 255 14 13.5 3.6 | 220 20 12.8 15.2 15 200 12430 255 26 25.1 6.7 | 233 31 24.4 18.4 16 150 14210 245 52 47.1 22.0 | 234 57 46.4 33.6 17 100 16600 320 17 10.9 -13.0 | 278 10 10.2 -1.4 18 90 17209 335 25 10.6 -22.7 | 318 15 9.9 -11.0 19 70 18650 20 12 -4.1 -11.3 | 94 5 -4.8 0.3 20 50 20620 45 14 -9.9 -9.9 | 99 11 -10.6 1.7 21 30 23760 80 17 -16.7 -3.0 | 116 19 -17.4 8.7 22 20 26360 65 12 -10.9 -5.1 | 120 13 -11.6 6.5 Wind Parameters Mean winds (0-6000m): 326.6 at 15.5 knts Storm direction: 356.6 at 11.6 knts Shear (0-3000m) pos: 2.2 neg: 3.1 tot: 5.3 10-3/s Storm rel Dir Shear (0-3000m): 79.7 deg Storm rel helicity (0-3000m) pos: 42.1 neg: -50.5 tot: -8.4 m^2/s^2 ave: -2.8 10^-3 m/s^2 rel: 0.07 Storm rel vorticity (0-3000m) horiz: 9.1 stream: 0.7 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.03 Bulk Shear: 22.09 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 23 7 144 6| 0.0 9.3 9.3| 6.0 -0.6 5.4 10.7 0.47| 10.0 4.7 1000 338 9 219 4| 0.0 9.0 9.0| 18.5 -0.6 17.8 17.8 0.61| 9.6 5.9 1500 328 10 241 6| 1.1 6.0 7.1| 21.0 -0.6 20.3 13.6 0.57| 7.6 4.3 2000 324 11 245 6| 0.9 5.0 5.9| 21.3 -15.8 5.5 2.8 0.21| 8.2 1.7 2500 318 11 240 7| 0.7 3.8 4.4| 21.3 -50.5 -29.2 -11.7 -0.04| 8.5 -0.3 3000 313 10 235 8| 2.2 3.1 5.3| 42.1 -50.5 -8.4 -2.8 0.07| 9.1 0.7 4000 317 11 239 8| 2.9 2.4 5.2| 62.1 -50.6 11.6 2.9 0.21| 8.4 1.8 5000 325 13 264 7| 3.0 2.1 5.1| 79.5 -57.6 21.8 4.4 0.24| 7.7 1.8 6000 327 16 280 8| 2.5 2.2 4.7| 79.5 -86.2 -6.8 -1.1 0.13| 7.2 1.0 Wrote GIF file: /home/apache/climate/data/raob//FAIR/skewt/FAIR.skewt.20251212.11.gif