UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120912.upa.cvt Date: 1200Z 9 DEC 25 Searching for FAIR... Searching the city database file for: FAIR ... Date:1200Z 9 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 92 1 925 776 2 850 1519 240 8 SFC 849 1500 22.6 10.6 47 12.0 14.8 240 8 309.9 311.7 294.1 339.0 9.50 4 848 1510 22.4 10.4 47 12.0 14.7 240 8 309.8 311.6 294.0 338.5 9.38 5 836 1637 23.2 10.2 44 13.0 14.8 234 7 311.9 313.7 294.6 340.9 9.39 6 819 1819 21.8 9.8 46 12.0 14.1 225 6 312.3 314.1 294.6 341.1 9.33 7 793 2102 18.4 9.4 56 9.0 12.7 212 4 311.5 313.3 294.4 340.4 9.38 8 791 2125 19.2 9.2 52 10.0 12.8 211 4 312.6 314.4 294.6 341.3 9.27 9 701 3165 10.2 5.2 71 5.0 7.2 211 10 313.7 315.2 293.9 338.4 7.94 10 700 3177 10.2 5.2 71 5.0 7.2 210 10 313.8 315.3 294.0 338.6 7.95 11 656 3713 5.4 5.4 100 0.0 5.4 190 10 314.2 315.9 294.6 341.1 8.61 12 647 3826 4.8 4.8 100 0.0 4.8 186 10 314.8 316.4 294.6 341.0 8.37 13 634 3991 2.0 2.0 100 0.0 2.0 180 10 313.5 314.8 293.2 335.3 6.99 14 632 4016 3.0 3.0 100 0.0 3.0 178 10 314.9 316.3 294.0 338.5 7.54 15 629 4055 1.8 1.8 100 0.0 1.8 176 10 313.9 315.3 293.2 335.7 6.95 16 560 4988 -1.3 -1.3 100 0.0 -1.3 183 7 320.9 322.1 294.6 341.0 6.23 17 524 5513 -5.9 -7.2 91 1.3 -6.5 209 6 321.5 322.3 293.2 335.4 4.25 18 523 5529 -4.5 -6.7 85 2.2 -5.5 210 6 323.4 324.2 293.8 338.0 4.43 19 522 5544 -6.1 -7.5 90 1.4 -6.7 210 6 321.6 322.4 293.2 335.3 4.17 20 518 5604 -6.7 -8.2 89 1.5 -7.4 212 6 321.6 322.4 293.0 334.7 3.98 21 516 5634 -4.9 -7.4 83 2.5 -6.1 213 6 324.1 325.0 293.9 338.2 4.25 22 515 5649 -7.1 -8.1 93 1.0 -7.5 213 6 321.7 322.4 293.0 334.9 4.04 23 500 5880 -7.7 -8.8 92 1.1 -8.2 220 7 323.7 324.4 293.5 336.7 3.94 24 424 7150 -13.9 -13.9 100 0.0 -13.9 250 17 331.4 332.0 294.8 342.0 3.08 25 416 7295 -15.1 -15.1 100 0.0 -15.1 250 19 331.6 332.2 294.7 341.5 2.85 26 414 7331 -17.1 -17.1 100 0.0 -17.1 250 19 329.5 330.0 293.8 337.9 2.42 27 400 7590 -17.3 -17.3 100 0.0 -17.3 250 23 332.5 333.0 294.6 341.1 2.46 28 396 7666 -17.3 -17.3 100 0.0 -17.3 249 23 333.5 334.0 294.8 342.2 2.49 29 373 8110 -22.7 -22.7 100 0.0 -22.7 246 26 332.1 332.4 293.8 337.9 1.66 30 353 8515 -23.7 -23.7 100 0.0 -23.7 256 22 336.0 336.3 294.7 341.7 1.60 31 317 9291 -31.1 -31.1 100 0.0 -31.1 267 19 336.2 336.4 294.2 339.5 0.90 32 311 9426 -32.7 -36.4 69 3.7 -33.2 267 20 335.8 335.9 293.8 337.9 0.55 33 305 9564 -33.5 -37.9 65 4.4 -34.1 266 21 336.6 336.7 293.9 338.4 0.48 34 302 9633 -33.5 -35.3 84 1.8 -33.8 265 22 337.5 337.6 294.3 339.9 0.63 35 300 9680 -34.1 -37.5 71 3.4 -34.6 265 22 337.3 337.4 294.1 339.2 0.51 36 277 10233 -38.5 -41.5 73 3.0 -38.8 267 25 338.7 338.8 294.4 340.2 0.36 37 265 10536 -40.9 -40.9 100 0.0 -40.9 268 26 339.6 339.6 294.6 341.1 0.40 38 257 10744 -42.7 -44.8 80 2.1 -42.9 269 27 339.9 339.9 294.6 341.0 0.27 39 250 10930 -43.5 -45.5 81 2.0 -43.6 270 28 341.4 341.4 294.9 342.4 0.26 40 200 12390 -55.7 -58.0 75 2.3 -55.8 285 38 344.6 344.6 295.5 344.9 0.08 41 170 13404 -63.7 -65.8 75 2.1 -63.7 274 35 347.7 347.7 296.1 347.8 0.03 42 162 13698 -66.9 -70.6 59 3.7 -67.0 270 34 347.1 347.1 296.0 347.2 0.02 43 158 13848 -67.3 -73.3 42 6.0 -67.4 269 33 348.9 348.9 296.4 349.0 0.01 44 150 14160 -68.7 -73.1 53 4.4 -68.7 265 32 351.7 351.7 297.0 351.8 0.01 45 145 14362 -69.7 -73.8 55 4.1 -69.7 256 29 353.4 353.4 297.4 353.5 0.01 46 141 14530 -68.1 -75.1 36 7.0 -68.1 248 27 359.1 359.1 298.5 359.1 0.01 47 117 15633 -74.3 -79.3 46 5.0 -74.3 197 13 367.3 367.3 300.1 367.3 0.01 48 116 15683 -74.9 -79.9 46 5.0 -74.9 195 12 367.1 367.1 300.1 367.1 0.01 49 111 15938 -74.9 -81.9 33 7.0 -74.9 205 16 371.7 371.8 300.9 371.8 0.00 50 104 16319 -71.9 -81.9 21 10.0 -71.9 221 21 384.5 384.5 302.9 384.5 0.00 51 100 16550 -72.7 -81.7 24 9.0 -72.8 230 24 387.3 387.3 303.4 387.3 0.01 52 70 18630 -75.3 -84.3 23 9.0 -75.3 215 6 423.3 423.3 308.1 423.3 0.00 53 62 19336 -74.1 -83.1 24 9.0 -74.2 166 11 440.9 440.9 310.0 440.9 0.01 54 61 19432 -71.5 -81.5 21 10.0 -71.6 160 12 448.7 448.7 310.7 448.8 0.01 55 56 19937 -71.9 -81.9 21 10.0 -72.0 125 15 458.9 458.9 311.7 459.0 0.01 56 54 20154 -67.1 -79.1 17 12.0 -67.3 111 17 474.8 474.8 313.0 474.9 0.01 57 50 20620 -65.9 -77.9 17 12.0 -66.1 80 20 488.2 488.2 314.1 488.3 0.02 58 47 20997 -66.5 -79.5 14 13.0 -66.7 78 21 495.5 495.5 314.7 495.6 0.02 59 41 21837 -61.1 -75.1 14 14.0 -61.6 74 23 528.7 528.7 316.9 528.9 0.04 60 34 23000 -62.3 -74.3 19 12.0 -62.8 69 26 554.6 554.6 318.3 554.9 0.05 61 30 23780 -59.5 -71.5 20 12.0 -60.3 65 28 582.4 582.5 319.8 583.0 0.08 62 20 26340 -53.9 -70.9 11 17.0 -56.1 80 14 671.2 671.2 323.5 672.3 0.13 63 19 26669 -53.9 -68.9 14 15.0 -56.1 681.1 681.2 323.9 682.7 0.19 TRP 116 15683 -74.9 -79.9 46 5.0 -74.9 195 12 367.1 367.1 300.1 367.1 0.01 WND Sounding variables and indices 1000-500 mb thick: 5788.00 m Freezing level: 588.94 mb = 4596.37 m = 15079.78 ft Wetbulb zero: 589.50 mb = 4575.35 m = 15010.80 ft Sfc-500 mean rel hum: 81.05 % Est. max temperature: 26.29 C = 79.32 F Sfc-Lift cond lev (LCL): 711.01 mb = 3042.74 m = 9982.63 ft T: 11.26 C 700-500 lapse rate: 6.62 C/km ThetaE index: 2.93 C Layer 701.0- 700.0 mb Conv cond level (CCL): 666.23 mb = 3585.12 m = 11762.08 ft Mean mixing ratio: 9.19 g/kg Conv temperature: 26.62 C = 79.92 F Cap Strength: 1.55 C Lifted Index: -1.16 C Risk: Thunderstorms probable Lifted Index @300 mb: -0.37 C Lifted Index @700 mb: 1.40 C Parcel Indices Parcel: using 100 mb layer CAPE (B+): 143.23 J/kg Max Up Vert Vel: 16.93 m/s Conv Inhibition (B-): 50.13 J/kg Cap Strength: 1.55 C Lift Cond Lev (LCL): 683.91 mb = 3368.96 m = 11052.89 ft Lev Free Conv (LFC): 648.91 mb = 3801.66 m = 12472.48 ft Equ Level (EL): 438.91 mb = 6884.17 m = 22585.59 ft B at Equ Level: 99.29 J/kg Max Parcel Lev (MPL): 198.91 mb = 12424.23 m = 40761.42 ft Wind level data Storm motion: 251 at 7 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 240 8 6.9 4.0 | 180 2 0.0 1.7 1 789 2134 210 4 2.0 3.5 | 103 5 -4.9 1.1 2 762 2438 255 8 7.7 2.1 | 287 1 0.8 -0.3 3 700 3177 210 10 5.0 8.7 | 163 7 -1.9 6.3 4 635 3962 180 10 0.0 10.0 | 138 10 -6.9 7.7 5 588 4572 150 11 -5.5 9.5 | 120 14 -12.4 7.2 6 545 5182 200 5 1.7 4.7 | 115 6 -5.2 2.4 7 500 5880 220 7 4.5 5.4 | 142 4 -2.4 3.0 8 467 6401 260 12 11.8 2.1 | 273 5 4.9 -0.2 9 431 7010 250 15 14.1 5.1 | 249 8 7.2 2.8 10 400 7590 250 23 21.6 7.9 | 249 16 14.7 5.5 11 366 8230 245 27 24.5 11.4 | 243 20 17.6 9.1 12 337 8839 270 16 16.0 -0.0 | 284 9 9.1 -2.3 13 300 9680 265 22 21.9 1.9 | 272 15 15.0 -0.4 14 250 10930 270 28 28.0 -0.0 | 276 21 21.1 -2.3 15 200 12390 285 38 36.7 -9.8 | 292 32 29.8 -12.2 16 150 14160 265 32 31.9 2.8 | 269 25 25.0 0.5 17 116 15683 195 12 3.1 11.6 | 158 10 -3.8 9.3 18 100 16550 230 24 18.4 15.4 | 221 17 11.5 13.1 19 70 18630 215 6 3.4 4.9 | 127 4 -3.5 2.6 20 50 20620 80 20 -19.7 -3.5 | 78 27 -26.6 -5.8 21 30 23780 65 28 -25.4 -11.8 | 66 35 -32.3 -14.2 22 20 26340 80 14 -13.8 -2.4 | 77 21 -20.7 -4.8 Wind Parameters Mean winds (0-6000m): 221.4 at 9.7 knts Storm direction: 251.4 at 7.3 knts Shear (0-3000m) pos: 0.9 neg: 3.1 tot: 4.0 10-3/s Storm rel Dir Shear (0-3000m): -58.2 deg Storm rel helicity (0-3000m) pos: 1.3 neg: -25.0 tot: -23.7 m^2/s^2 ave: -7.9 10^-3 m/s^2 rel: -0.39 Storm rel vorticity (0-3000m) horiz: 4.8 stream: -1.9 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 80.21 Bulk Shear: 1.79 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 ------------------------------------------------------------------------------- 500 233 6 131 2| 0.0 4.2 4.2| 0.0 -2.3 -2.3 -4.5 -0.75| 4.3 -3.2 1000 235 6 122 2| 2.6 2.1 4.7| 1.3 -2.9 -1.6 -1.6 -0.02| 5.7 -0.1 1500 235 7 146 2| 1.7 2.5 4.2| 1.3 -4.6 -3.2 -2.2 -0.18| 5.5 -1.0 2000 225 8 156 3| 1.3 2.9 4.1| 1.3 -8.8 -7.5 -3.7 -0.26| 5.2 -1.3 2500 216 8 154 5| 1.0 2.9 3.9| 1.3 -14.8 -13.5 -5.4 -0.33| 4.8 -1.6 3000 205 9 149 6| 0.9 3.1 4.0| 1.3 -25.0 -23.7 -7.9 -0.39| 4.8 -1.9 4000 198 8 142 7| 1.8 2.3 4.1| 6.4 -28.5 -22.1 -5.5 -0.27| 4.9 -1.3 5000 207 8 149 6| 2.4 1.9 4.3| 14.3 -29.1 -14.8 -3.0 -0.04| 5.0 -0.2 6000 221 10 175 5| 2.0 1.3 3.3| 14.6 -32.7 -18.1 -3.0 -0.07| 5.0 -0.3 Wrote GIF file: /home/apache/climate/data/raob//FAIR/skewt/FAIR.skewt.20251209.12.gif