UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025050112.upa.cvt Date: 1200Z 1 MAY 25 Searching for FAIR... Searching the city database file for: FAIR ... Date:1200Z 1 MAY 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 86 1 925 763 2 850 1496 300 9 SFC 847 1500 23.2 10.2 44 13.0 14.8 300 9 310.8 312.5 294.1 339.2 9.26 4 845 1521 21.2 9.2 46 12.0 13.7 300 9 308.9 310.5 293.2 335.4 8.67 5 769 2339 13.0 6.0 62 7.0 8.9 307 19 308.5 309.9 292.2 331.8 7.65 6 700 3135 7.2 0.2 61 7.0 3.5 290 23 310.5 311.5 291.0 327.7 5.55 7 605 4315 -1.9 -5.0 79 3.1 -3.4 280 27 313.2 314.0 290.9 327.0 4.36 8 539 5226 -6.3 -35.3 8 29.0 -12.5 285 29 318.4 318.5 288.6 319.7 0.35 9 524 5447 -7.5 -41.5 5 34.0 -13.7 285 30 319.6 319.6 288.8 320.3 0.19 10 500 5810 -10.3 -40.3 7 30.0 -15.7 285 32 320.5 320.5 289.2 321.3 0.23 11 484 6060 -12.5 -39.5 8 27.0 -17.2 285 32 320.8 320.8 289.3 321.7 0.26 12 458 6480 -15.5 -18.9 75 3.4 -16.6 286 32 322.1 322.5 291.3 328.5 1.88 13 416 7200 -20.9 -20.9 100 0.0 -20.9 293 43 324.2 324.5 291.7 330.1 1.74 14 415 7217 -20.9 -20.9 100 0.0 -20.9 293 43 324.4 324.7 291.8 330.4 1.74 15 414 7235 -20.9 -30.9 40 10.0 -22.9 293 44 324.6 324.8 290.9 327.1 0.70 16 408 7343 -20.3 -31.3 37 11.0 -22.5 292 46 326.7 326.9 291.5 329.2 0.69 17 400 7490 -21.3 -33.3 33 12.0 -23.5 290 48 327.3 327.4 291.6 329.4 0.58 18 376 7944 -24.3 -42.3 17 18.0 -26.6 290 48 329.2 329.2 291.7 330.1 0.25 19 361 8240 -26.5 -46.5 13 20.0 -28.7 290 48 330.1 330.1 291.9 330.7 0.16 20 323 9034 -32.9 -52.9 12 20.0 -34.4 287 50 331.9 331.9 292.3 332.3 0.09 21 307 9390 -35.9 -43.9 44 8.0 -36.7 282 55 332.6 332.6 292.7 333.6 0.25 22 300 9550 -37.1 -45.1 43 8.0 -37.8 280 57 333.1 333.1 292.8 334.0 0.23 23 287 9854 -39.9 -46.9 47 7.0 -40.4 281 58 333.3 333.4 292.8 334.1 0.20 24 275 10144 -42.1 -59.1 14 17.0 -42.8 282 58 334.2 334.2 292.9 334.4 0.05 25 250 10780 -47.7 -58.7 27 11.0 -48.1 285 60 335.2 335.2 293.2 335.4 0.06 26 234 11213 -51.7 -57.7 49 6.0 -51.9 285 67 335.5 335.5 293.3 335.8 0.07 27 231 11296 -52.5 -60.5 37 8.0 -52.7 285 69 335.5 335.5 293.2 335.7 0.05 28 225 11466 -52.9 -75.9 5 23.0 -53.2 285 72 337.4 337.4 293.7 337.5 0.01 29 219 11640 -53.7 -60.7 42 7.0 -53.9 285 75 338.8 338.8 294.1 339.0 0.05 30 212 11849 -54.3 -75.3 6 21.0 -54.6 285 78 341.0 341.0 294.6 341.1 0.01 31 200 12220 -56.9 -72.9 12 16.0 -57.1 285 85 342.7 342.7 295.0 342.7 0.01 32 182 12813 -59.5 -75.5 11 16.0 -59.6 280 101 347.8 347.8 296.1 347.9 0.01 33 169 13274 -61.5 -77.5 10 16.0 -61.6 282 96 351.9 351.9 297.1 351.9 0.01 34 153 13888 -62.5 -81.5 6 19.0 -62.6 284 89 360.4 360.4 298.8 360.4 0.00 35 150 14010 -63.3 -82.3 6 19.0 -63.4 285 88 361.0 361.0 298.9 361.0 0.00 36 128 14973 -67.3 -85.3 6 18.0 -67.4 287 82 370.6 370.6 300.7 370.6 0.00 37 122 15263 -66.3 -85.3 5 19.0 -66.4 288 80 377.5 377.5 301.8 377.5 0.00 38 106 16104 -70.9 -86.9 8 16.0 -70.9 290 74 384.3 384.3 302.9 384.3 0.00 39 102 16332 -69.3 -88.3 5 19.0 -69.4 297 65 391.6 391.6 304.0 391.6 0.00 40 100 16450 -69.3 -88.3 5 19.0 -69.4 300 60 393.8 393.8 304.3 393.8 0.00 41 83 17559 -71.9 -88.9 6 17.0 -72.0 318 46 410.1 410.1 306.5 410.1 0.00 42 74 18245 -66.9 -89.9 3 23.0 -67.1 330 38 434.3 434.3 309.3 434.3 0.00 43 70 18580 -68.9 -89.9 3 21.0 -69.0 335 34 437.0 437.0 309.6 437.0 0.00 44 67 18841 -70.5 -90.5 4 20.0 -70.6 323 30 439.0 439.0 309.8 439.0 0.00 45 62 19306 -65.3 -90.3 2 25.0 -65.5 301 24 460.4 460.4 311.8 460.4 0.00 46 55 20033 -66.5 -93.5 1 27.0 -66.7 267 14 473.7 473.7 313.0 473.7 0.00 47 51 20497 -59.9 -90.9 1 31.0 -60.4 246 8 499.5 499.5 314.9 499.5 0.00 48 50 20620 -60.5 -91.5 1 31.0 -61.0 240 6 500.9 500.9 315.0 500.9 0.00 49 34 23032 -59.5 -90.5 1 31.0 -60.4 331 9 562.0 562.0 318.8 562.0 0.00 50 31 23619 -53.5 -86.5 1 33.0 -55.3 352 10 593.2 593.2 320.3 593.2 0.01 51 30 23830 -52.9 -85.9 1 33.0 -54.9 360 10 600.4 600.4 320.6 600.5 0.01 52 25 25012 -50.7 -84.7 1 34.0 -53.5 638.9 638.9 322.3 639.0 0.01 TRP 106 16104 -70.9 -86.9 8 16.0 -70.9 290 74 384.3 384.3 302.9 384.3 0.00 WND 182 12813 -59.5 -75.5 11 16.0 -59.6 280 101 347.8 347.8 296.1 347.9 0.01 Sounding variables and indices 1000-500 mb thick: 5724.00 m Freezing level: 624.84 mb = 4068.53 m = 13348.05 ft Wetbulb zero: 651.82 mb = 3711.88 m = 12177.94 ft Sfc-500 mean rel hum: 50.75 % Est. max temperature: 22.99 C = 73.38 F Sfc-Lift cond lev (LCL): 699.03 mb = 3146.17 m = 10321.96 ft T: 7.11 C 700-500 lapse rate: 6.54 C/km ThetaE index: 19.49 C Layer 845.0- 524.0 mb Conv cond level (CCL): 671.98 mb = 3465.45 m = 11369.44 ft Mean mixing ratio: 7.98 g/kg Conv temperature: 23.66 C = 74.59 F Cap Strength: 1.67 C Lifted Index: -0.53 C Risk: Thunderstorms probable Lifted Index @300 mb: 1.20 C Lifted Index @700 mb: 1.57 C Parcel Indices Parcel: using 100 mb layer CAPE (B+): 106.15 J/kg Max Up Vert Vel: 14.57 m/s Conv Inhibition (B-): 41.45 J/kg Cap Strength: 1.95 C Lift Cond Lev (LCL): 695.83 mb = 3183.35 m = 10443.92 ft Lev Free Conv (LFC): 630.83 mb = 3976.69 m = 13046.71 ft Equ Level (EL): 400.83 mb = 7474.67 m = 24522.89 ft B at Equ Level: 105.08 J/kg Max Parcel Lev (MPL): 270.83 mb = 10245.86 m = 33614.62 ft Wind level data Storm motion: 319 at 21 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 300 9 7.8 -4.5 | 152 12 -5.8 11.0 1 787 2134 310 15 11.5 -9.6 | 160 6 -2.1 5.9 2 759 2438 305 22 18.0 -12.6 | 237 5 4.4 2.9 3 700 3135 290 23 21.6 -7.9 | 226 11 8.0 7.6 4 631 3962 280 23 22.7 -4.0 | 218 15 9.0 11.5 5 584 4572 280 30 29.5 -5.2 | 237 19 15.9 10.3 6 541 5182 285 29 28.0 -7.5 | 241 16 14.4 8.0 7 500 5810 285 32 30.9 -8.3 | 247 19 17.3 7.2 8 462 6401 285 31 29.9 -8.0 | 245 18 16.3 7.5 9 426 7010 295 40 36.3 -16.9 | 274 23 22.6 -1.4 10 400 7490 290 48 45.1 -16.4 | 272 31 31.5 -0.9 11 361 8230 290 48 45.1 -16.4 | 272 31 31.5 -0.9 12 331 8839 290 48 45.1 -16.4 | 272 31 31.5 -0.9 13 300 9550 280 57 56.1 -9.9 | 262 43 42.5 5.6 14 250 10780 285 60 58.0 -15.5 | 270 44 44.3 -0.0 15 200 12220 285 85 82.1 -22.0 | 275 69 68.5 -6.5 16 182 12813 280 101 99.5 -17.5 | 271 86 85.8 -2.0 17 150 14010 285 88 85.0 -22.8 | 276 72 71.4 -7.3 18 106 16104 290 74 69.5 -25.3 | 280 57 55.9 -9.8 19 100 16450 300 60 52.0 -30.0 | 291 41 38.3 -14.5 20 70 18580 335 34 14.4 -30.8 | 357 15 0.7 -15.3 21 50 20620 240 6 5.2 3.0 | 156 20 -8.4 18.5 22 30 23830 360 10 -0.0 -10.0 | 112 15 -13.6 5.5 Wind Parameters Mean winds (0-6000m): 288.7 at 27.5 knts Storm direction: 318.7 at 20.6 knts Shear (0-3000m) pos: 0.9 neg: 3.1 tot: 4.0 10-3/s Storm rel Dir Shear (0-3000m): 83.3 deg Storm rel helicity (0-3000m) pos: 32.0 neg: -8.7 tot: 23.3 m^2/s^2 ave: 7.8 10^-3 m/s^2 rel: 0.32 Storm rel vorticity (0-3000m) horiz: 5.0 stream: 1.6 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 2.79 Bulk Shear: 38.06 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 ------------------------------------------------------------------------------- 500 305 11 154 10| 5.1 0.0 5.1| 3.1 0.0 3.1 6.1 0.23| 5.1 1.2 1000 306 15 165 7| 2.6 4.3 6.9| 11.5 0.0 11.5 11.5 0.56| 7.1 4.0 1500 303 17 188 6| 1.7 3.5 5.2| 11.5 -2.1 9.4 6.3 0.37| 6.2 2.3 2000 298 19 203 7| 1.3 3.0 4.2| 11.5 -5.5 6.0 3.0 0.27| 5.4 1.4 2500 294 20 210 9| 1.0 2.7 3.7| 12.4 -8.7 3.7 1.5 0.21| 4.8 1.0 3000 291 21 216 10| 0.9 3.1 4.0| 32.0 -8.7 23.3 7.8 0.32| 5.0 1.6 4000 289 23 225 12| 1.0 2.3 3.3| 45.0 -8.7 36.3 9.1 0.36| 4.4 1.6 5000 288 25 231 13| 0.9 2.0 2.9| 57.1 -11.6 45.5 9.1 0.37| 3.9 1.5 6000 289 28 242 14| 1.5 2.4 4.0|101.2 -17.8 83.4 13.9 0.38| 4.8 1.8 Wrote GIF file: /home/apache/climate/data/raob//FAIR/skewt/FAIR.skewt.20250501.12.gif