UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120923.upa.cvt Date: 2300Z 9 DEC 25 Searching for FAIR... Searching the city database file for: FAIR ... Date:2300Z 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 132 1 925 798 2 850 1520 90 4 SFC 849 1500 18.6 14.9 79 3.7 16.1 90 4 305.7 308.1 295.2 343.6 12.65 4 844 1552 20.8 8.8 46 12.0 13.3 77 4 308.6 310.1 292.9 334.3 8.45 5 842 1573 21.0 9.0 46 12.0 13.5 72 4 309.0 310.6 293.1 335.2 8.59 6 794 2089 19.4 5.4 40 14.0 11.0 303 6 312.5 313.9 292.9 334.6 7.10 7 792 2111 19.2 5.2 40 14.0 10.8 297 6 312.5 313.8 292.9 334.3 7.02 8 700 3178 11.8 0.8 47 11.0 5.7 230 6 315.6 316.7 292.7 333.9 5.80 9 500 5880 -10.7 -10.7 100 0.0 -10.7 205 19 320.0 320.7 292.0 331.1 3.38 10 484 6129 -12.5 -12.5 100 0.0 -12.5 203 20 320.8 321.4 291.9 330.8 3.03 11 482 6161 -12.3 -12.3 100 0.0 -12.3 202 20 321.4 322.0 292.2 331.6 3.09 12 473 6305 -11.7 -19.7 51 8.0 -14.2 201 21 323.9 324.2 291.6 329.7 1.70 13 470 6354 -11.3 -16.3 66 5.0 -13.0 200 21 325.0 325.4 292.4 332.7 2.28 14 469 6371 -11.3 -15.3 72 4.0 -12.8 200 21 325.2 325.7 292.7 333.6 2.48 15 446 6756 -12.3 -18.3 61 6.0 -14.3 203 15 328.6 329.0 293.2 335.6 2.03 16 414 7321 -15.9 -22.9 55 7.0 -17.9 232 11 331.0 331.3 293.4 336.3 1.46 17 402 7543 -17.1 -23.1 60 6.0 -18.8 252 11 332.3 332.6 293.7 337.6 1.48 18 400 7580 -17.7 -23.7 59 6.0 -19.4 255 11 332.0 332.3 293.6 337.0 1.41 19 324 9116 -30.1 -31.7 86 1.6 -30.4 263 22 335.5 335.7 294.0 338.6 0.83 20 305 9544 -32.7 -38.7 55 6.0 -33.5 269 22 337.7 337.8 294.1 339.4 0.44 21 300 9660 -33.5 -39.5 55 6.0 -34.3 270 22 338.2 338.2 294.3 339.8 0.41 22 282 10091 -37.5 -40.9 70 3.4 -37.8 267 25 338.5 338.5 294.3 339.9 0.38 23 266 10491 -40.9 -47.9 47 7.0 -41.4 263 28 339.2 339.2 294.3 339.9 0.19 24 250 10910 -44.9 -49.2 62 4.3 -45.2 260 31 339.3 339.3 294.3 340.0 0.17 25 226 11575 -50.9 -53.1 77 2.2 -51.0 246 31 340.1 340.1 294.4 340.6 0.12 26 214 11928 -53.3 -61.3 37 8.0 -53.5 239 32 341.7 341.7 294.8 341.9 0.05 27 201 12328 -56.9 -62.9 47 6.0 -57.0 231 32 342.2 342.2 294.9 342.3 0.04 28 200 12360 -57.1 -63.1 46 6.0 -57.2 230 32 342.3 342.3 294.9 342.5 0.04 29 198 12423 -57.5 -63.5 46 6.0 -57.6 231 31 342.7 342.7 295.0 342.9 0.04 30 190 12683 -58.5 -71.5 17 13.0 -58.7 234 29 345.1 345.2 295.6 345.2 0.01 31 153 14029 -63.1 -75.1 18 12.0 -63.2 249 15 359.3 359.3 298.6 359.4 0.01 32 150 14150 -64.1 -76.1 18 12.0 -64.2 250 14 359.7 359.7 298.7 359.7 0.01 33 140 14569 -68.1 -78.1 23 10.0 -68.2 241 17 359.8 359.8 298.7 359.8 0.01 34 130 15013 -69.3 -80.3 19 11.0 -69.4 230 21 365.4 365.4 299.7 365.4 0.00 35 109 16049 -75.7 -83.7 27 8.0 -75.7 206 30 372.2 372.2 300.9 372.2 0.00 36 108 16102 -76.1 -84.1 27 8.0 -76.1 205 30 372.4 372.4 301.0 372.4 0.00 37 101 16492 -73.1 -85.1 14 12.0 -73.2 188 28 385.4 385.4 303.1 385.4 0.00 38 100 16550 -73.3 -85.3 14 12.0 -73.3 185 28 386.1 386.1 303.2 386.1 0.00 39 70 18630 -72.7 -85.7 12 13.0 -72.8 100 12 428.9 428.9 308.7 428.9 0.00 40 61 19434 -73.3 -87.3 10 14.0 -73.4 98 10 444.7 444.7 310.3 444.7 0.00 41 60 19532 -69.7 -84.7 9 15.0 -69.8 98 10 454.9 454.9 311.3 454.9 0.01 42 50 20620 -68.1 -87.1 5 19.0 -68.3 95 8 483.0 483.0 313.7 483.0 0.00 43 48 20867 -65.7 -86.7 4 21.0 -66.0 97 9 494.4 494.4 314.5 494.4 0.00 44 36 22642 -59.9 -87.9 1 28.0 -60.7 108 16 551.8 551.8 318.2 551.8 0.00 45 31 23575 -60.9 -88.9 1 28.0 -61.7 114 19 573.2 573.2 319.3 573.2 0.00 46 30 23780 -58.5 -89.5 1 31.0 -59.6 115 20 585.2 585.2 319.9 585.2 0.00 47 21 26048 -53.7 -86.7 1 33.0 -56.1 662.5 662.5 323.2 662.6 0.01 TRP 108 16102 -76.1 -84.1 27 8.0 -76.1 205 30 372.4 372.4 301.0 372.4 0.00 WND Sounding variables and indices 1000-500 mb thick: 5748.00 m Freezing level: 595.11 mb = 4595.05 m = 15075.44 ft Wetbulb zero: 630.47 mb = 4018.05 m = 13182.43 ft Sfc-500 mean rel hum: 62.59 % Est. max temperature: 27.99 C = 82.38 F Sfc-Lift cond lev (LCL): 803.74 mb = 1981.88 m = 6502.17 ft T: 19.73 C 700-500 lapse rate: 8.33 C/km ThetaE index: 9.31 C Layer 844.0- 842.0 mb Conv cond level (CCL): 607.32 mb = 4318.45 m = 14167.98 ft Mean mixing ratio: 7.47 g/kg Conv temperature: 30.00 C = 86.00 F Cap Strength: 4.29 C Lifted Index: -1.70 C Risk: Thunderstorms probable Lifted Index @300 mb: 3.75 C Lifted Index @700 mb: 3.51 C Parcel Indices Parcel: using 100 mb layer CAPE (B+): 66.97 J/kg Max Up Vert Vel: 11.57 m/s Conv Inhibition (B-): 256.07 J/kg Cap Strength: 4.29 C Lift Cond Lev (LCL): 658.84 mb = 3664.61 m = 12022.84 ft Lev Free Conv (LFC): 543.84 mb = 5205.03 m = 17076.67 ft Equ Level (EL): 463.84 mb = 6455.28 m = 21178.49 ft B at Equ Level: 59.53 J/kg Max Parcel Lev (MPL): 423.84 mb = 7142.85 m = 23434.27 ft Wind level data Storm motion: 229 at 9 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 90 4 -4.0 0.0 | 61 13 -11.0 -6.2 1 789 2134 290 6 5.6 -2.1 | 10 8 -1.4 -8.2 2 762 2438 310 4 3.1 -2.6 | 24 10 -4.0 -8.7 3 700 3178 230 6 4.6 3.9 | 46 3 -2.4 -2.3 4 635 3962 190 17 3.0 16.7 | 159 11 -4.1 10.6 5 588 4572 180 19 0.0 19.0 | 151 15 -7.0 12.8 6 545 5182 160 11 -3.8 10.3 | 111 12 -10.8 4.2 7 500 5880 205 19 8.0 17.2 | 185 11 1.0 11.0 8 467 6401 200 21 7.2 19.7 | 181 14 0.2 13.6 9 431 7010 205 11 4.6 10.0 | 148 4 -2.4 3.8 10 400 7580 255 11 10.6 2.8 | 313 5 3.6 -3.3 11 366 8230 260 18 17.7 3.1 | 286 11 10.7 -3.0 12 336 8839 260 22 21.7 3.8 | 279 15 14.6 -2.4 13 300 9660 270 22 22.0 -0.0 | 292 16 15.0 -6.2 14 250 10910 260 31 30.5 5.4 | 272 24 23.5 -0.8 15 200 12360 230 32 24.5 20.6 | 231 23 17.5 14.4 16 150 14150 250 14 13.2 4.8 | 283 6 6.1 -1.4 17 108 16102 205 30 12.7 27.2 | 195 22 5.7 21.0 18 100 16550 185 28 2.4 27.9 | 168 22 -4.6 21.7 19 70 18630 100 12 -11.8 2.1 | 78 19 -18.8 -4.1 20 50 20620 95 8 -8.0 0.7 | 70 16 -15.0 -5.5 21 30 23780 115 20 -18.1 8.5 | 95 25 -25.2 2.3 Wind Parameters Mean winds (0-6000m): 198.7 at 12.5 knts Storm direction: 228.7 at 9.4 knts Shear (0-3000m) pos: 0.0 neg: 3.3 tot: 3.3 10-3/s Storm rel Dir Shear (0-3000m): 91.4 deg Storm rel helicity (0-3000m) pos: 8.9 neg: -45.5 tot: -36.6 m^2/s^2 ave: -12.2 10^-3 m/s^2 rel: -0.14 Storm rel vorticity (0-3000m) horiz: 6.8 stream: -1.0 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 1.71 Bulk Shear: 39.25 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 26 5 41 14| 0.0 8.8 8.8| 0.0 -33.3 -33.3 -66.7 -0.90| 10.9 -9.8 1000 306 5 18 10| 0.0 4.0 4.0| 4.2 -37.0 -32.7 -32.7 -0.58| 8.1 -4.7 1500 290 5 17 8| 0.0 3.2 3.2| 5.0 -38.4 -33.4 -22.3 -0.45| 7.0 -3.2 2000 259 6 17 5| 0.0 3.4 3.4| 8.3 -38.4 -30.1 -15.1 -0.14| 7.1 -1.0 2500 223 7 68 2| 0.0 3.7 3.7| 8.9 -40.7 -31.8 -12.7 -0.12| 7.5 -0.9 3000 206 9 125 4| 0.0 3.3 3.3| 8.9 -45.5 -36.6 -12.2 -0.14| 6.8 -1.0 4000 192 11 131 6| 0.5 1.7 2.2| 25.3 -76.5 -51.3 -12.8 -0.17| 7.0 -1.2 5000 195 12 147 7| 1.2 1.4 2.6| 49.2 -80.6 -31.4 -6.3 -0.03| 6.9 -0.2 6000 199 12 152 6| 1.5 1.1 2.6| 53.1 -87.4 -34.3 -5.7 0.01| 7.2 0.1 Wrote GIF file: /home/apache/climate/data/raob//FAIR/skewt/FAIR.skewt.20251209.23.gif