UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120111.upa.cvt Date: 1100Z 1 DEC 25 Searching for FAIR... Searching the city database file for: FAIR ... Date:1100Z 1 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 100 1 925 776 2 850 1510 330 10 SFC 848 1500 23.0 16.0 65 7.0 18.1 330 10 310.4 313.0 297.1 352.0 13.61 4 817 1825 23.2 15.2 61 8.0 17.6 327 13 314.0 316.6 297.8 355.5 13.42 5 816 1836 23.8 15.8 61 8.0 18.2 327 13 314.7 317.4 298.3 358.1 13.97 6 815 1847 23.6 15.6 61 8.0 18.0 327 13 314.6 317.3 298.2 357.5 13.81 7 691 3252 7.8 3.0 72 4.8 5.1 302 20 312.3 313.6 292.7 333.7 6.89 8 681 3372 5.8 5.8 100 0.0 5.8 300 20 311.3 313.0 293.7 337.6 8.53 9 670 3505 4.4 4.4 100 0.0 4.4 296 21 311.2 312.7 293.2 335.5 7.85 10 667 3542 5.4 5.4 100 0.0 5.4 295 21 312.8 314.4 294.1 339.0 8.47 11 617 4178 2.4 2.4 100 0.0 2.4 277 28 316.4 317.8 294.3 339.7 7.40 12 613 4230 0.4 0.4 100 0.0 0.4 275 29 314.6 315.9 293.0 334.9 6.44 13 610 4270 -0.9 -0.9 100 0.0 -0.9 273 30 313.6 314.7 292.3 332.1 5.88 14 609 4283 0.6 0.6 100 0.0 0.6 273 30 315.5 316.7 293.4 336.2 6.58 15 545 5164 -7.9 -7.9 100 0.0 -7.9 255 43 315.5 316.3 291.2 328.0 3.87 16 500 5830 -12.9 -12.9 100 0.0 -12.9 260 44 317.3 317.9 290.7 326.6 2.83 17 494 5922 -13.9 -13.9 100 0.0 -13.9 257 43 317.2 317.7 290.5 325.9 2.64 18 484 6077 -14.3 -14.3 100 0.0 -14.3 251 41 318.6 319.1 290.9 327.2 2.61 19 433 6917 -15.9 -22.9 55 7.0 -17.9 244 38 326.8 327.1 292.2 331.7 1.40 20 425 7058 -16.5 -22.5 60 6.0 -18.2 246 38 327.8 328.1 292.5 333.0 1.48 21 400 7510 -19.7 -27.7 49 8.0 -21.5 255 36 329.4 329.6 292.5 332.9 0.98 22 356 8365 -25.9 -37.9 32 12.0 -27.7 256 39 332.2 332.3 292.7 333.8 0.41 23 354 8406 -26.1 -39.1 28 13.0 -27.9 256 40 332.5 332.6 292.7 333.9 0.36 24 352 8447 -26.5 -67.5 1 41.0 -29.1 257 40 332.5 332.5 292.4 332.5 0.01 25 307 9419 -34.9 -54.9 11 20.0 -36.2 244 40 334.0 334.0 292.9 334.3 0.07 26 304 9488 -35.3 -55.3 11 20.0 -36.5 243 40 334.4 334.4 293.0 334.6 0.07 27 300 9580 -35.5 -51.5 18 16.0 -36.7 240 40 335.3 335.4 293.3 335.8 0.11 28 292 9768 -36.5 -45.5 39 9.0 -37.3 241 40 336.5 336.6 293.7 337.4 0.22 29 289 9840 -36.7 -46.7 35 10.0 -37.5 242 40 337.2 337.3 293.8 338.0 0.20 30 263 10488 -41.9 -60.9 11 19.0 -42.7 247 39 338.8 338.8 294.1 339.0 0.04 31 250 10830 -45.5 -56.5 28 11.0 -46.0 250 38 338.4 338.4 294.0 338.7 0.07 32 240 11101 -47.9 -60.9 21 13.0 -48.3 253 42 338.8 338.8 294.1 339.0 0.04 33 200 12280 -56.3 -67.3 24 11.0 -56.5 265 59 343.6 343.6 295.2 343.7 0.02 34 190 12603 -58.7 -68.7 26 10.0 -58.8 259 59 344.8 344.8 295.5 344.9 0.02 35 180 12940 -60.7 -69.7 30 9.0 -60.8 252 59 346.9 346.9 296.0 347.0 0.02 36 177 13045 -61.1 -71.1 25 10.0 -61.2 250 59 348.0 348.0 296.2 348.0 0.01 37 162 13594 -60.5 -76.5 10 16.0 -60.7 263 60 357.9 357.9 298.3 357.9 0.01 38 150 14070 -62.9 -77.9 12 15.0 -63.0 275 61 361.7 361.7 299.0 361.7 0.01 39 148 14153 -62.9 -78.1 11 15.3 -63.0 275 62 363.2 363.2 299.3 363.2 0.01 40 129 15001 -62.5 -80.5 7 18.0 -62.7 270 47 378.4 378.4 302.0 378.4 0.00 41 127 15098 -63.1 -81.1 7 18.0 -63.3 269 45 379.0 379.0 302.1 379.0 0.00 42 106 16191 -70.9 -83.9 13 13.0 -70.9 262 25 384.3 384.3 302.9 384.3 0.00 43 102 16421 -67.9 -82.9 10 15.0 -68.0 261 21 394.3 394.3 304.4 394.3 0.00 44 100 16540 -68.1 -83.1 10 15.0 -68.2 260 19 396.2 396.2 304.7 396.2 0.00 45 86 17436 -69.9 -82.9 13 13.0 -70.0 281 17 410.0 410.0 306.5 410.0 0.00 46 74 18311 -76.5 -85.5 23 9.0 -76.5 302 15 414.1 414.1 307.0 414.1 0.00 47 72 18467 -76.9 -86.9 19 10.0 -76.9 306 14 416.5 416.5 307.3 416.5 0.00 48 70 18630 -73.3 -85.3 14 12.0 -73.3 310 14 427.6 427.6 308.6 427.6 0.00 49 65 19070 -67.5 -83.5 9 16.0 -67.7 323 12 449.4 449.4 310.8 449.4 0.01 50 51 20531 -67.9 -84.9 7 17.0 -68.1 6 6 480.7 480.8 313.5 480.8 0.01 51 50 20650 -66.9 -83.9 7 17.0 -67.1 10 6 485.8 485.8 313.9 485.9 0.01 52 45 21293 -62.9 -82.9 5 20.0 -63.3 25 9 510.4 510.4 315.7 510.5 0.01 53 30 23810 -59.5 -83.5 3 24.0 -60.4 85 22 582.4 582.4 319.8 582.5 0.01 54 28 24241 -59.9 -83.9 3 24.0 -60.9 81 21 592.9 592.9 320.3 593.0 0.01 55 26 24708 -55.1 -82.1 2 27.0 -56.9 76 21 619.3 619.3 321.5 619.4 0.02 56 20 26390 -52.9 -82.9 1 30.0 -55.6 60 18 674.3 674.3 323.6 674.4 0.02 57 17 27438 -52.9 -82.9 1 30.0 -55.9 706.3 706.3 324.6 706.5 0.02 58 15 28253 -49.1 -80.1 1 31.0 -53.6 744.7 744.7 325.8 745.1 0.04 TRP 177 13045 -61.1 -71.1 25 10.0 -61.2 250 59 348.0 348.0 296.2 348.0 0.01 WND 148 14153 -62.9 -78.1 11 15.3 -63.0 275 62 363.2 363.2 299.3 363.2 0.01 Sounding variables and indices 1000-500 mb thick: 5730.00 m Freezing level: 612.08 mb = 4242.41 m = 13918.49 ft Freezing level: 609.40 mb = 4277.61 m = 14033.98 ft Freezing level: 604.48 mb = 4345.06 m = 14255.27 ft Wetbulb zero: 612.14 mb = 4241.62 m = 13915.89 ft Sfc-500 mean rel hum: 86.25 % Est. max temperature: 24.91 C = 76.83 F Sfc-Lift cond lev (LCL): 765.09 mb = 2384.54 m = 7823.20 ft T: 17.55 C 700-500 lapse rate: 8.16 C/km ThetaE index: 24.42 C Layer 815.0- 681.0 mb Conv cond level (CCL): 722.24 mb = 2875.15 m = 9432.78 ft Mean mixing ratio: 12.32 g/kg Conv temperature: 25.43 C = 77.77 F Cap Strength: -0.59 C Lifted Index: -10.52 C Risk: Severe thunderstorms probable Lifted Index @300 mb: -8.01 C Lifted Index @700 mb: -2.00 C Parcel Indices Parcel: using 100 mb layer CAPE (B+): 2744.58 J/kg Max Up Vert Vel: 74.09 m/s Conv Inhibition (B-): 8.85 J/kg Cap Strength: 1.13 C Lift Cond Lev (LCL): 717.09 mb = 2936.06 m = 9632.64 ft Lev Free Conv (LFC): 712.09 mb = 2995.62 m = 9828.02 ft Equ Level (EL): 162.09 mb = 13590.77 m = 44588.60 ft B at Equ Level: 2687.75 J/kg Max Parcel Lev (MPL): 92.09 mb = 17029.28 m = 55869.66 ft Wind level data Storm motion: 295 at 23 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 ---------------------------------------------------------- 0 848 1500 330 10 5.0 -8.7 | 93 15 -15.4 0.9 1 788 2134 325 15 8.6 -12.3 | 77 12 -11.8 -2.7 2 761 2438 325 14 8.0 -11.5 | 81 13 -12.4 -1.9 3 700 3159 305 19 15.6 -10.9 | 75 5 -4.8 -1.3 4 633 3962 285 24 23.2 -6.2 | 220 4 2.8 3.4 5 586 4572 260 37 36.4 6.4 | 225 23 16.0 16.0 6 543 5182 255 43 41.5 11.1 | 226 30 21.1 20.7 7 500 5830 260 44 43.3 7.6 | 233 29 22.9 17.2 8 463 6401 240 38 32.9 19.0 | 204 31 12.5 28.6 9 427 7010 245 38 34.4 16.1 | 209 29 14.0 25.6 10 400 7510 255 36 34.8 9.3 | 217 24 14.4 18.9 11 362 8230 255 39 37.7 10.1 | 221 26 17.3 19.7 12 333 8839 260 41 40.4 7.1 | 230 26 20.0 16.7 13 300 9580 240 40 34.6 20.0 | 206 33 14.2 29.6 14 250 10830 250 38 35.7 13.0 | 214 27 15.3 22.6 15 200 12280 265 59 58.8 5.1 | 249 41 38.4 14.7 16 177 13045 250 59 55.4 20.2 | 230 46 35.0 29.8 17 150 14070 275 61 60.8 -5.3 | 264 41 40.4 4.3 18 148 14153 275 62 61.8 -5.4 | 264 42 41.4 4.2 19 100 16540 260 19 18.7 3.3 | 173 13 -1.7 12.9 20 70 18630 310 14 10.7 -9.0 | 93 10 -9.7 0.6 21 50 20650 10 6 -1.0 -5.9 | 100 22 -21.4 3.7 22 30 23810 85 22 -21.9 -1.9 | 100 43 -42.3 7.7 23 20 26390 60 18 -15.6 -9.0 | 91 36 -36.0 0.6 Wind Parameters Mean winds (0-6000m): 265.2 at 30.0 knts Storm direction: 295.2 at 22.5 knts Shear (0-3000m) pos: 0.0 neg: 5.6 tot: 5.6 10-3/s Storm rel Dir Shear (0-3000m): 133.3 deg Storm rel helicity (0-3000m) pos: 5.7 neg: -21.8 tot: -16.0 m^2/s^2 ave: -5.3 10^-3 m/s^2 rel: -0.01 Storm rel vorticity (0-3000m) horiz: 6.6 stream: -0.0 10^-3/s Energy-Hel index: 0.04 Bulk Rich Number: 29.13 Bulk Shear: 94.22 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 ------------------------------------------------------------------------------- 500 328 12 88 14| 0.0 4.1 4.1| 0.0 -11.3 -11.3 -22.5 -0.75| 4.1 -3.1 1000 326 13 84 13| 0.0 2.4 2.4| 1.9 -13.7 -11.8 -11.8 -0.52| 3.1 -1.6 1500 322 14 82 12| 0.0 3.2 3.2| 1.9 -16.2 -14.3 -9.5 -0.36| 3.9 -1.4 2000 316 16 81 10| 0.0 3.6 3.6| 2.6 -16.2 -13.7 -6.8 -0.19| 4.3 -0.8 2500 308 17 82 7| 0.0 4.0 4.0| 4.2 -16.2 -12.1 -4.8 0.01| 4.8 0.0 3000 298 19 98 3| 0.0 5.6 5.6| 5.7 -21.8 -16.0 -5.3 -0.01| 6.6 -0.0 4000 280 25 218 7| 0.3 5.1 5.4| 21.4 -25.3 -3.9 -1.0 0.02| 6.4 0.2 5000 271 28 222 12| 0.2 3.9 4.1| 38.4-144.3-105.9 -21.2 -0.17| 6.9 -1.2 6000 265 30 218 15| 0.9 3.2 4.1| 83.4-144.3 -61.0 -10.2 -0.07| 6.6 -0.5 Wrote GIF file: /home/apache/climate/data/raob//FAIR/skewt/FAIR.skewt.20251201.11.gif