UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025102900.upa.cvt Date: 0000Z 29 OCT 25 Searching for FAIR... Searching the city database file for: FAIR ... Date:0000Z 29 OCT 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 191 1 925 847 SFC 854 1500 14.0 14.0 100 0.0 14.0 120 8 300.4 302.6 293.1 335.2 11.85 3 851 1530 18.0 12.0 68 6.0 14.1 120 7 304.9 306.8 293.3 336.1 10.41 4 830 1745 13.8 11.3 85 2.5 12.2 96 10 302.7 304.5 292.5 332.9 10.19 5 816 1891 15.4 11.3 77 4.1 12.8 78 13 305.8 307.8 293.6 337.0 10.36 6 815 1902 15.4 11.3 77 4.1 12.8 77 13 305.9 307.9 293.6 337.1 10.38 7 789 2179 13.2 12.1 93 1.1 12.5 47 15 306.4 308.5 294.4 340.5 11.32 8 786 2211 13.2 12.1 93 1.1 12.5 44 15 306.8 308.9 294.6 341.0 11.36 9 769 2398 14.0 11.1 83 2.9 12.1 32 9 309.6 311.6 295.0 342.7 10.86 10 700 3195 10.4 3.4 62 7.0 6.3 345 12 314.0 315.3 293.3 335.9 7.00 11 650 3809 7.0 -6.0 39 13.0 0.7 337 19 316.9 317.6 291.5 329.0 3.76 12 567 4916 -1.7 -10.7 50 9.0 -5.5 308 19 319.3 319.9 291.5 329.1 2.98 13 565 4945 -1.9 -10.9 50 9.0 -5.7 306 19 319.4 319.9 291.5 329.1 2.95 14 561 5001 -2.1 -7.1 69 5.0 -4.4 301 19 319.8 320.6 292.5 332.8 4.00 15 554 5101 -1.9 -11.9 46 10.0 -6.0 293 19 321.2 321.7 291.8 330.4 2.77 16 535 5378 -4.1 -8.0 74 3.9 -5.8 281 19 321.8 322.5 293.0 334.6 3.91 17 500 5910 -7.1 -12.1 67 5.0 -9.1 270 20 324.4 325.0 292.9 334.5 3.02 18 492 6035 -7.7 -11.9 72 4.2 -9.4 273 21 325.1 325.8 293.2 335.6 3.12 19 478 6258 -8.3 -19.3 41 11.0 -12.0 277 23 327.1 327.4 292.6 333.1 1.74 20 477 6274 -8.5 -19.5 41 11.0 -12.2 277 23 327.1 327.4 292.5 333.0 1.71 21 461 6537 -10.7 -21.7 40 11.0 -14.1 286 22 327.5 327.8 292.4 332.6 1.46 22 424 7171 -15.9 -18.9 78 3.0 -16.9 305 16 328.8 329.2 293.3 335.8 2.03 23 412 7387 -14.5 -44.5 6 30.0 -19.3 298 18 333.3 333.3 292.8 334.0 0.18 24 400 7610 -15.7 -46.7 5 31.0 -20.3 290 21 334.6 334.6 293.1 335.2 0.14 25 396 7686 -16.1 -49.1 4 33.0 -20.7 291 22 335.0 335.0 293.2 335.5 0.11 26 300 9710 -33.5 -55.5 9 22.0 -35.0 305 38 338.2 338.2 293.9 338.4 0.07 27 282 10140 -37.3 -58.3 9 21.0 -38.5 300 46 338.7 338.7 294.1 339.0 0.05 28 279 10213 -37.7 -57.7 11 20.0 -38.8 299 47 339.2 339.2 294.2 339.4 0.06 29 273 10363 -38.5 -47.5 38 9.0 -39.2 297 50 340.2 340.2 294.6 340.9 0.19 30 254 10853 -42.3 -46.4 64 4.1 -42.6 291 59 341.6 341.7 294.9 342.6 0.23 31 250 10960 -42.7 -46.9 63 4.2 -43.0 290 61 342.6 342.6 295.1 343.5 0.22 32 240 11235 -44.5 -48.7 63 4.2 -44.7 289 62 343.9 343.9 295.4 344.7 0.19 33 200 12430 -55.1 -58.4 67 3.3 -55.2 285 67 345.5 345.5 295.7 345.8 0.07 34 187 12853 -58.7 -61.6 69 2.9 -58.7 285 73 346.4 346.4 295.9 346.6 0.05 35 185 12920 -59.3 -62.4 67 3.1 -59.3 285 74 346.5 346.5 295.9 346.7 0.05 36 170 13443 -61.2 -66.3 51 5.1 -61.3 285 81 351.8 351.8 297.0 351.9 0.03 37 150 14210 -64.1 -72.1 33 8.0 -64.2 280 70 359.7 359.7 298.7 359.7 0.02 38 100 16640 -72.5 -83.5 17 11.0 -72.5 265 13 387.6 387.7 303.5 387.7 0.00 39 86 17510 -79.1 -85.1 37 6.0 -79.1 285 13 391.4 391.4 304.0 391.4 0.00 40 86 17510 -79.1 -85.1 37 6.0 -79.1 285 13 391.4 391.4 304.0 391.4 0.00 41 82 17783 -75.1 -83.1 28 8.0 -75.2 295 12 405.0 405.0 305.9 405.0 0.00 42 74 18376 -75.9 -83.9 27 8.0 -75.9 318 9 415.4 415.4 307.2 415.4 0.00 43 70 18700 -71.3 -82.3 18 11.0 -71.4 330 8 431.8 431.8 309.0 431.9 0.01 44 64 19234 -68.3 -83.3 10 15.0 -68.4 449.6 449.6 310.8 449.7 0.01 45 54 20254 -67.9 -86.9 5 19.0 -68.1 473.0 473.0 312.9 473.0 0.00 TRP 86 17510 -79.1 -85.1 37 6.0 -79.1 285 13 391.4 391.4 304.0 391.4 0.00 WND 170 13443 -61.2 -66.3 51 5.1 -61.3 285 81 351.8 351.8 297.0 351.9 0.03 Sounding variables and indices 1000-500 mb thick: 5719.00 m Freezing level: 583.22 mb = 4700.01 m = 15419.80 ft Wetbulb zero: 640.34 mb = 3930.43 m = 12894.94 ft Precipitable water: 0.99 inches Sfc-500 mean rel hum: 62.64 % Est. max temperature: 26.74 C = 80.12 F Sfc-Lift cond lev (LCL): 854.00 mb = 1500.00 m = 4921.20 ft T: 14.00 C 700-500 lapse rate: 6.45 C/km ThetaE index: 13.62 C Layer 700.0- 567.0 mb Conv cond level (CCL): 677.93 mb = 3460.45 m = 11353.06 ft Mean mixing ratio: 10.65 g/kg Conv temperature: 28.19 C = 82.74 F Cap Strength: 3.23 C Lifted Index: 0.38 C Risk: Showers probable Lifted Index @300 mb: 1.58 C Lifted Index @700 mb: 3.23 C Showalter Index: 1.43 C Risk: Showers probable Total Totals Index: 43.97 C Risk: None Vertical Totals Index: 24.90 C Cross Totals Index: 19.07 C K Index: 29.87 Risk: 40-60 % chance of thunderstorms Sweat Index: 176.92 Risk: None Energy Index: -0.21 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 32.48 J/kg Max Up Vert Vel: 8.06 m/s Conv Inhibition (B-): 257.07 J/kg Cap Strength: 3.22 C Lift Cond Lev (LCL): 767.18 mb = 2417.88 m = 7932.58 ft Lev Free Conv (LFC): 432.18 mb = 7026.32 m = 23051.94 ft Equ Level (EL): 422.18 mb = 7203.59 m = 23633.55 ft B at Equ Level: 28.69 J/kg Max Parcel Lev (MPL): 402.18 mb = 7569.05 m = 24832.54 ft Wind level data Storm motion: 344 at 13 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 ---------------------------------------------------------- 0 854 1500 120 8 -6.9 4.0 | 147 19 -10.3 16.1 1 850 1558 120 6 -5.2 3.0 | 150 17 -8.6 15.1 2 794 2134 50 17 -13.0 -10.9 | 94 16 -16.4 1.2 3 766 2438 30 8 -4.0 -6.9 | 125 9 -7.4 5.2 4 700 3195 345 12 3.1 -11.6 | 151 1 -0.3 0.5 5 636 3962 335 21 8.9 -19.0 | 322 9 5.5 -6.9 6 590 4572 335 19 8.0 -17.2 | 318 7 4.6 -5.1 7 547 5182 285 19 18.4 -4.9 | 244 17 15.0 7.2 8 500 5910 270 20 20.0 -0.0 | 234 21 16.6 12.1 9 469 6401 280 24 23.6 -4.2 | 249 22 20.3 7.9 10 433 7010 310 14 10.7 -9.0 | 247 8 7.3 3.1 11 400 7610 290 21 19.7 -7.2 | 253 17 16.3 4.9 12 367 8230 295 27 24.5 -11.4 | 268 21 21.1 0.7 13 338 8839 295 24 21.8 -10.1 | 264 18 18.4 2.0 14 300 9710 305 38 31.1 -21.8 | 289 29 27.7 -9.7 15 250 10960 290 61 57.3 -20.9 | 279 55 53.9 -8.8 16 200 12430 285 67 64.7 -17.3 | 275 62 61.3 -5.2 17 170 13443 285 81 78.2 -21.0 | 277 75 74.9 -8.9 18 150 14210 280 70 68.9 -12.2 | 270 66 65.6 -0.1 19 100 16640 265 13 13.0 1.1 | 216 16 9.6 13.2 20 86 17510 285 13 12.6 -3.4 | 226 13 9.2 8.7 21 70 18700 330 8 4.0 -6.9 | 187 5 0.6 5.2 Wind Parameters Mean winds (0-6000m): 314.4 at 16.8 knts Storm direction: 344.4 at 12.6 knts Shear (0-3000m) pos: 0.0 neg: 4.5 tot: 4.5 10-3/s Storm rel Dir Shear (0-3000m): 171.0 deg Storm rel helicity (0-3000m) pos: 14.7 neg: -79.4 tot: -64.7 m^2/s^2 ave: -21.6 10^-3 m/s^2 rel: -0.22 Storm rel vorticity (0-3000m) horiz: 8.1 stream: -1.8 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.42 Bulk Shear: 78.16 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 84 10 130 17| 0.0 12.0 12.0| 0.1 -56.3 -56.2 -112.4 -0.88| 13.6-12.0 1000 58 11 115 14| 0.0 6.1 6.1| 14.5 -75.4 -60.9 -60.9 -0.40| 14.1 -5.6 1500 43 11 111 11| 0.0 5.7 5.7| 14.5 -77.4 -62.9 -42.0 -0.36| 11.4 -4.1 2000 24 11 102 8| 0.0 5.7 5.7| 14.7 -77.5 -62.8 -31.4 -0.24| 10.3 -2.4 2500 8 13 83 5| 0.0 5.7 5.7| 14.7 -78.5 -63.8 -25.5 -0.22| 9.4 -2.1 3000 358 14 56 4| 0.0 4.5 4.5| 14.7 -79.4 -64.7 -21.6 -0.22| 8.1 -1.8 4000 340 15 320 3| 0.0 3.5 3.5| 14.7-125.2-110.5 -27.6 -0.38| 8.5 -3.3 5000 320 17 275 7| 0.5 2.9 3.4| 48.9-135.0 -86.1 -17.2 -0.27| 7.9 -2.2 6000 314 17 267 9| 1.1 3.0 4.1| 55.7-137.8 -82.2 -13.7 -0.21| 8.2 -1.7 Wrote GIF file: /home/apache/climate/data/raob//FAIR/skewt/FAIR.skewt.20251029.00.gif