UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2026011800.upa.cvt Date: 0000Z 18 JAN 26 Searching for FAIR... Searching the city database file for: FAIR ... Date:0000Z 18 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 87 1 925 750 2 850 1470 140 3 SFC 844 1500 17.4 16.9 97 0.5 17.1 140 3 305.0 307.7 296.3 348.3 14.50 4 822 1731 18.0 14.7 81 3.3 15.8 111 5 307.9 310.4 296.0 346.9 12.90 5 793 2045 15.6 14.0 90 1.6 14.6 72 8 308.6 311.0 296.0 347.3 12.78 6 750 2528 15.6 9.6 67 6.0 11.7 145 4 313.5 315.4 295.4 344.7 10.06 7 700 3122 11.4 8.3 81 3.1 9.5 180 15 315.1 317.0 295.7 345.9 9.87 8 628 4020 5.6 1.6 75 4.0 3.4 185 13 318.4 319.7 294.4 340.3 6.86 9 593 4487 3.8 -5.2 52 9.0 -0.7 189 10 321.6 322.5 293.3 335.9 4.38 10 560 4950 0.4 -3.6 74 4.0 -1.7 184 10 322.9 323.9 294.3 340.0 5.24 11 524 5480 -3.3 -8.3 68 5.0 -5.6 219 9 324.6 325.4 293.7 337.6 3.90 12 504 5787 -4.9 -10.9 63 6.0 -7.5 261 8 326.3 327.0 293.7 337.4 3.30 13 500 5850 -4.9 -11.9 58 7.0 -7.8 270 8 327.1 327.7 293.7 337.5 3.07 14 489 6025 -5.5 -18.5 35 13.0 -10.1 273 7 328.4 328.8 293.0 334.8 1.82 15 471 6319 -7.3 -19.3 38 12.0 -11.5 278 5 329.7 330.1 293.3 335.9 1.76 16 468 6369 -6.7 -30.7 13 24.0 -12.9 279 5 331.1 331.2 292.6 333.4 0.63 17 454 6606 -7.5 -28.5 17 21.0 -13.3 269 5 333.0 333.1 293.3 335.9 0.80 18 430 7027 -10.9 -25.9 28 15.0 -15.2 247 5 333.8 334.1 293.7 337.8 1.08 19 424 7135 -11.7 -16.7 66 5.0 -13.5 269 5 334.2 334.7 295.0 342.7 2.44 20 422 7171 -11.5 -23.5 36 12.0 -15.2 276 5 334.9 335.2 294.3 339.8 1.36 21 414 7318 -12.5 -19.5 56 7.0 -14.9 306 4 335.4 335.8 294.9 342.4 1.97 22 400 7580 -13.9 -25.9 36 12.0 -17.3 360 4 336.9 337.2 294.6 341.2 1.16 23 381 7948 -16.3 -45.3 6 29.0 -20.8 354 3 338.5 338.5 294.1 339.2 0.18 24 355 8475 -20.1 -30.1 41 10.0 -22.4 344 3 340.3 340.5 295.2 343.6 0.88 25 329 9034 -23.9 -43.9 14 20.0 -26.7 330 6 342.5 342.6 295.1 343.5 0.24 26 314 9373 -26.7 -31.2 66 4.5 -27.6 320 10 343.2 343.4 295.9 346.7 0.90 27 300 9700 -29.1 -31.5 80 2.4 -29.6 310 15 344.4 344.6 296.1 347.9 0.92 28 295 9820 -30.1 -32.3 81 2.2 -30.5 309 16 344.6 344.8 296.1 347.9 0.86 29 292 9893 -30.3 -35.3 62 5.0 -31.1 309 17 345.3 345.5 296.1 347.9 0.65 30 277 10266 -33.3 -38.1 62 4.8 -34.0 306 21 346.3 346.4 296.3 348.3 0.52 31 254 10870 -37.3 -52.3 20 15.0 -38.4 301 27 349.0 349.0 296.5 349.5 0.12 32 250 10980 -38.3 -50.3 27 12.0 -39.2 300 28 349.1 349.2 296.6 349.8 0.15 33 246 11090 -39.3 -47.3 42 8.0 -40.0 301 29 349.2 349.3 296.7 350.1 0.22 34 240 11259 -40.5 -54.5 21 14.0 -41.3 302 29 349.9 349.9 296.7 350.3 0.10 35 227 11634 -43.7 -50.7 46 7.0 -44.2 304 31 350.6 350.7 296.9 351.3 0.16 36 214 12027 -46.9 -56.9 31 10.0 -47.3 307 34 351.6 351.7 297.1 352.0 0.08 37 200 12470 -51.1 -57.1 49 6.0 -51.3 310 36 351.8 351.9 297.1 352.2 0.08 38 170 13503 -60.3 -62.0 80 1.7 -60.3 302 34 353.3 353.3 297.4 353.6 0.05 39 163 13763 -62.5 -66.2 61 3.7 -62.6 299 33 353.9 353.9 297.5 354.0 0.03 40 154 14111 -65.3 -68.4 65 3.1 -65.3 296 32 354.9 354.9 297.7 355.0 0.02 41 150 14270 -66.7 -69.8 65 3.1 -66.7 295 32 355.2 355.2 297.7 355.3 0.02 42 125 15355 -73.5 -78.0 50 4.5 -73.5 311 29 361.9 361.9 299.1 361.9 0.01 43 108 16196 -80.3 -83.2 62 2.9 -80.3 323 27 364.5 364.5 299.5 364.5 0.00 44 100 16630 -81.1 -84.3 58 3.2 -81.1 330 26 371.0 371.0 300.8 371.0 0.00 45 98 16743 -81.7 -84.8 59 3.1 -81.7 330 24 372.0 372.0 300.9 372.0 0.00 46 97 16801 -81.3 -84.4 59 3.1 -81.3 332 24 373.9 373.9 301.2 373.9 0.00 47 79 17957 -79.9 -85.9 36 6.0 -79.9 8 21 399.4 399.4 305.1 399.4 0.00 48 70 18650 -74.7 -83.7 23 9.0 -74.7 30 20 424.6 424.6 308.2 424.6 0.01 49 62 19367 -68.3 -83.3 10 15.0 -68.4 64 20 453.7 453.7 311.2 453.8 0.01 50 61 19464 -68.3 -83.3 10 15.0 -68.5 69 20 455.9 455.9 311.4 455.9 0.01 51 56 19972 -72.5 -86.5 10 14.0 -72.6 93 19 457.6 457.6 311.5 457.6 0.00 52 50 20640 -71.5 -86.5 9 15.0 -71.6 125 19 475.0 475.0 313.1 475.0 0.00 53 49 20760 -71.5 -86.5 9 15.0 -71.6 124 19 477.8 477.8 313.2 477.8 0.00 54 43 21552 -61.7 -85.7 3 24.0 -62.2 116 23 520.0 520.0 316.3 520.1 0.01 55 30 23800 -59.1 -90.1 1 31.0 -60.1 95 31 583.5 583.5 319.8 583.5 0.00 56 23 25479 -55.9 -87.9 1 32.0 -57.7 88 37 639.0 639.0 322.3 639.1 0.01 57 20 26380 -50.7 -84.7 1 34.0 -54.0 85 40 681.0 681.0 323.8 681.1 0.02 58 17 27450 -46.1 -81.1 1 35.0 -51.4 728.1 728.2 325.3 728.4 0.03 59 15 28277 -48.9 -82.9 1 34.0 -53.5 745.4 745.4 325.8 745.6 0.03 TRP 98 16743 -81.7 -84.8 59 3.1 -81.7 330 24 372.0 372.0 300.9 372.0 0.00 WND Sounding variables and indices 1000-500 mb thick: 5763.00 m Freezing level: 556.11 mb = 5007.36 m = 16428.15 ft Wetbulb zero: 598.92 mb = 4406.45 m = 14456.70 ft Sfc-500 mean rel hum: 73.51 % Est. max temperature: 27.29 C = 81.13 F Sfc-Lift cond lev (LCL): 837.98 mb = 1562.72 m = 5126.96 ft T: 17.56 C 700-500 lapse rate: 5.98 C/km ThetaE index: 2.61 C Layer 750.0- 700.0 mb Conv cond level (CCL): 700.39 mb = 3117.20 m = 10226.91 ft Mean mixing ratio: 12.22 g/kg Conv temperature: 27.03 C = 80.65 F Cap Strength: 3.33 C Lifted Index: -0.70 C Risk: Thunderstorms probable Lifted Index @300 mb: 1.11 C Lifted Index @700 mb: 1.77 C Parcel Indices Parcel: using 100 mb layer CAPE (B+): 69.83 J/kg Max Up Vert Vel: 11.82 m/s Conv Inhibition (B-): 115.86 J/kg Cap Strength: 3.22 C Lift Cond Lev (LCL): 757.19 mb = 2445.59 m = 8023.49 ft Lev Free Conv (LFC): 562.19 mb = 4918.48 m = 16136.55 ft Equ Level (EL): 472.19 mb = 6298.86 m = 20665.30 ft B at Equ Level: 69.59 J/kg Max Parcel Lev (MPL): 332.19 mb = 8963.03 m = 29405.91 ft Wind level data Storm motion: 224 at 6 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 ---------------------------------------------------------- 0 844 1500 140 3 -1.9 2.3 | 71 7 -6.3 -2.2 1 785 2134 60 9 -7.8 -4.5 | 54 15 -12.2 -9.0 2 757 2438 140 2 -1.3 1.5 | 62 6 -5.7 -3.0 3 700 3122 180 15 0.0 15.0 | 157 11 -4.4 10.5 4 631 3962 185 13 1.1 13.0 | 159 9 -3.3 8.5 5 585 4572 190 9 1.6 8.9 | 147 5 -2.8 4.4 6 543 5182 180 10 0.0 10.0 | 141 7 -4.4 5.5 7 500 5850 270 8 8.0 -0.0 | 321 6 3.6 -4.5 8 466 6401 280 5 4.9 -0.9 | 354 5 0.5 -5.4 9 430 7010 245 5 4.5 2.1 | 357 2 0.1 -2.4 10 400 7580 360 4 -0.0 -4.0 | 27 10 -4.4 -8.5 11 366 8230 350 3 0.5 -3.0 | 28 8 -3.9 -7.5 12 337 8839 335 3 1.3 -2.7 | 23 8 -3.1 -7.2 13 300 9700 310 15 11.5 -9.6 | 333 16 7.1 -14.1 14 250 10980 300 28 24.2 -14.0 | 313 27 19.8 -18.5 15 200 12470 310 36 27.6 -23.1 | 320 36 23.2 -27.6 16 150 14270 295 32 29.0 -13.5 | 306 30 24.6 -18.0 17 100 16630 330 26 13.0 -22.5 | 342 28 8.6 -27.0 18 98 16743 330 24 12.0 -20.8 | 343 26 7.6 -25.3 19 70 18650 30 20 -10.0 -17.3 | 33 26 -14.4 -21.8 20 50 20640 125 19 -15.6 10.9 | 108 21 -20.0 6.4 21 30 23800 95 31 -30.9 2.7 | 87 35 -35.3 -1.8 22 20 26380 85 40 -39.8 -3.5 | 80 45 -44.3 -8.0 Wind Parameters Mean winds (0-6000m): 194.4 at 8.4 knts Storm direction: 224.4 at 6.3 knts Shear (0-3000m) pos: 2.5 neg: 1.2 tot: 3.6 10-3/s Storm rel Dir Shear (0-3000m): 78.7 deg Storm rel helicity (0-3000m) pos: 41.5 neg: -16.6 tot: 24.9 m^2/s^2 ave: 8.3 10^-3 m/s^2 rel: 0.30 Storm rel vorticity (0-3000m) horiz: 6.6 stream: 1.9 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 3.98 Bulk Shear: 17.53 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 82 5 62 11| 0.0 7.1 7.1| 0.9 -7.7 -6.8 -13.7 -0.27| 7.8 -2.1 1000 77 6 60 11| 3.7 3.6 7.2| 12.9 -14.5 -1.7 -1.7 -0.01| 9.9 -0.1 1500 118 6 81 10| 5.3 2.4 7.7| 33.5 -14.5 19.0 12.7 0.33| 10.2 3.3 2000 155 8 111 9| 4.6 1.8 6.4| 41.2 -14.5 26.7 13.3 0.37| 8.6 3.2 2500 166 10 125 8| 3.5 1.4 4.9| 41.5 -14.6 26.9 10.7 0.36| 7.2 2.6 3000 171 10 131 8| 2.5 1.2 3.6| 41.5 -16.6 24.9 8.3 0.30| 6.6 1.9 4000 177 10 136 7| 2.2 1.0 3.1| 47.8 -17.8 30.1 7.5 0.34| 6.1 2.1 5000 187 9 145 6| 1.4 0.8 2.2| 58.2 -17.9 40.3 8.1 0.44| 6.0 2.6 6000 194 8 147 4| 1.0 0.6 1.6| 64.8 -18.1 46.6 7.8 0.42| 5.9 2.5 Wrote GIF file: /home/apache/climate/data/raob//FAIR/skewt/FAIR.skewt.20260118.00.gif