UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120200.upa.cvt Date: 0000Z 2 DEC 25 Searching for FAIR... Searching the city database file for: FAIR ... Date:0000Z 2 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 158 1 925 811 2 850 1518 120 4 SFC 849 1500 12.6 12.6 100 0.0 12.6 120 4 299.4 301.4 292.0 331.2 10.86 4 840 1592 15.0 11.4 79 3.6 12.7 141 5 302.9 304.8 292.5 333.0 10.13 5 814 1863 14.8 8.8 67 6.0 11.1 203 8 305.4 307.0 292.2 331.8 8.77 6 807 1938 16.6 6.6 52 10.0 10.6 220 9 308.1 309.5 292.0 331.3 7.59 7 779 2244 15.4 4.4 48 11.0 9.0 270 11 309.9 311.2 291.9 330.7 6.74 8 778 2255 15.4 4.4 48 11.0 9.0 271 11 310.0 311.3 291.9 330.9 6.75 9 700 3156 8.6 1.6 61 7.0 4.7 260 7 312.0 313.2 292.0 331.2 6.15 10 610 4279 0.2 -8.8 51 9.0 -3.7 222 22 314.9 315.5 290.3 325.3 3.22 11 575 4751 -3.3 -6.2 80 2.9 -4.6 230 25 316.1 316.9 291.6 329.6 4.19 12 531 5380 -5.3 -40.3 4 35.0 -12.2 236 23 321.0 321.0 289.3 321.8 0.21 13 517 5590 -7.1 -22.1 29 15.0 -11.6 242 23 321.3 321.5 290.5 325.6 1.26 14 500 5850 -8.9 -29.9 16 21.0 -14.0 250 23 322.2 322.3 290.1 324.5 0.64 15 449 6673 -13.3 -32.3 19 19.0 -17.4 261 32 326.7 326.8 291.4 328.8 0.57 16 423 7123 -17.3 -18.9 87 1.6 -17.8 267 35 327.2 327.6 292.9 334.2 2.03 17 421 7158 -17.1 -18.3 90 1.2 -17.5 266 35 327.9 328.4 293.2 335.3 2.15 18 415 7265 -16.7 -29.7 32 13.0 -19.7 263 35 329.8 330.0 292.4 332.7 0.78 19 414 7283 -16.9 -29.9 31 13.0 -19.8 262 34 329.8 329.9 292.4 332.6 0.77 20 400 7540 -18.9 -33.9 25 15.0 -21.8 255 34 330.4 330.5 292.4 332.4 0.54 21 382 7882 -21.1 -39.1 18 18.0 -24.0 250 36 331.9 332.0 292.6 333.2 0.34 22 357 8379 -25.3 -36.3 35 11.0 -27.1 247 39 332.8 332.9 292.9 334.6 0.48 23 300 9620 -34.5 -50.5 18 16.0 -35.8 255 48 336.7 336.8 293.6 337.3 0.12 24 250 10870 -43.7 -60.7 14 17.0 -44.4 260 46 341.1 341.1 294.6 341.3 0.04 25 219 11740 -51.3 -65.3 17 14.0 -51.6 269 53 342.5 342.5 295.0 342.6 0.03 26 200 12320 -56.3 -60.3 61 4.0 -56.4 275 57 343.6 343.6 295.3 343.8 0.06 27 199 12352 -56.5 -60.4 61 3.9 -56.6 275 57 343.8 343.8 295.3 344.0 0.06 28 172 13258 -64.9 -68.2 64 3.3 -65.0 275 61 344.5 344.5 295.4 344.6 0.02 29 170 13329 -65.7 -69.1 62 3.4 -65.7 275 61 344.4 344.4 295.4 344.4 0.02 30 168 13401 -65.7 -69.6 58 3.9 -65.7 275 62 345.6 345.6 295.7 345.7 0.02 31 150 14090 -65.3 -74.3 28 9.0 -65.4 270 54 357.6 357.6 298.2 357.6 0.01 32 147 14213 -65.9 -76.9 20 11.0 -66.0 271 53 358.6 358.6 298.4 358.7 0.01 33 143 14381 -64.7 -78.7 13 14.0 -64.8 272 51 363.6 363.6 299.4 363.6 0.01 34 141 14467 -65.1 -79.1 13 14.0 -65.2 272 50 364.3 364.3 299.5 364.4 0.01 35 125 15196 -68.1 -81.1 14 13.0 -68.2 277 44 371.7 371.7 300.8 371.7 0.00 36 120 15442 -66.9 -81.9 10 15.0 -67.0 278 41 378.2 378.2 301.9 378.2 0.00 37 101 16471 -71.7 -83.7 15 12.0 -71.8 285 32 388.1 388.1 303.5 388.1 0.00 38 100 16530 -71.1 -83.1 15 12.0 -71.2 285 31 390.4 390.4 303.8 390.4 0.00 39 90 17150 -74.9 -84.9 20 10.0 -74.9 289 22 394.7 394.7 304.5 394.7 0.00 40 80 17839 -72.9 -85.9 12 13.0 -73.0 294 13 412.4 412.4 306.8 412.4 0.00 41 77 18066 -69.3 -84.3 10 15.0 -69.4 296 10 424.4 424.4 308.2 424.4 0.00 42 70 18630 -74.1 -87.1 12 13.0 -74.2 300 2 425.9 425.9 308.4 425.9 0.00 43 69 18714 -74.3 -87.3 12 13.0 -74.3 306 2 427.2 427.2 308.5 427.2 0.00 44 63 19247 -72.7 -87.7 9 15.0 -72.8 347 5 442.0 442.0 310.1 442.0 0.00 45 60 19538 -66.9 -84.9 6 18.0 -67.1 9 6 461.2 461.2 311.9 461.2 0.00 46 51 20520 -67.3 -87.3 4 20.0 -67.5 81 10 482.2 482.2 313.6 482.2 0.00 47 50 20640 -64.9 -85.9 4 21.0 -65.2 90 10 490.5 490.5 314.2 490.6 0.00 48 45 21289 -60.9 -86.9 2 26.0 -61.4 94 14 515.3 515.3 316.0 515.3 0.00 49 36 22669 -62.9 -89.9 1 27.0 -63.4 103 22 544.0 544.0 317.8 544.1 0.00 50 34 23024 -59.3 -89.3 1 30.0 -60.2 105 24 562.5 562.5 318.8 562.5 0.00 51 30 23810 -58.3 -89.3 1 31.0 -59.4 110 29 585.7 585.7 319.9 585.7 0.00 52 25 24957 -58.5 -89.5 1 31.0 -59.8 616.5 616.5 321.3 616.5 0.01 53 20 26380 -52.3 -85.3 1 33.0 -55.1 676.1 676.1 323.6 676.2 0.01 TRP 170 13329 -65.7 -69.1 62 3.4 -65.7 275 61 344.4 344.4 295.4 344.4 0.02 WND 168 13401 -65.7 -69.6 58 3.9 -65.7 275 62 345.6 345.6 295.7 345.7 0.02 Sounding variables and indices 1000-500 mb thick: 5692.00 m Freezing level: 608.00 mb = 4306.10 m = 14127.45 ft Wetbulb zero: 649.65 mb = 3765.18 m = 12352.80 ft Sfc-500 mean rel hum: 51.99 % Est. max temperature: 24.62 C = 76.31 F Sfc-Lift cond lev (LCL): 849.00 mb = 1500.00 m = 4921.20 ft T: 12.60 C 700-500 lapse rate: 6.50 C/km ThetaE index: 2.26 C Layer 814.0- 778.0 mb Conv cond level (CCL): 650.25 mb = 3757.61 m = 12327.98 ft Mean mixing ratio: 7.93 g/kg Conv temperature: 26.07 C = 78.93 F Cap Strength: 4.00 C Lifted Index: 1.63 C Risk: Showers probable Lifted Index @300 mb: 4.86 C Lifted Index @700 mb: 3.78 C Parcel Indices Parcel: using 100 mb layer CAPE (B+): 48.60 J/kg Max Up Vert Vel: 9.86 m/s Conv Inhibition (B-): 27286.96 J/kg Cap Strength: 4.00 C Lift Cond Lev (LCL): 707.88 mb = 3060.56 m = 10041.07 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 278 at 15 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 120 4 -3.5 2.0 | 102 19 -18.5 4.0 1 789 2134 265 11 11.0 1.0 | 126 5 -4.1 3.0 2 761 2438 280 10 9.8 -1.7 | 93 5 -5.2 0.3 3 700 3156 260 7 6.9 1.2 | 112 9 -8.2 3.2 4 633 3962 215 18 10.3 14.7 | 164 17 -4.7 16.8 5 587 4572 230 26 19.9 16.7 | 195 19 4.9 18.7 6 544 5182 230 23 17.6 14.8 | 189 17 2.6 16.8 7 500 5850 250 23 21.6 7.9 | 214 12 6.6 9.9 8 465 6401 255 30 29.0 7.8 | 235 17 13.9 9.8 9 429 7010 270 35 35.0 -0.0 | 264 20 20.0 2.0 10 400 7540 255 34 32.8 8.8 | 239 21 17.8 10.8 11 364 8230 245 38 34.4 16.1 | 227 27 19.4 18.1 12 334 8839 255 42 40.6 10.9 | 243 29 25.5 12.9 13 300 9620 255 48 46.4 12.4 | 245 34 31.3 14.4 14 250 10870 260 46 45.3 8.0 | 252 32 30.3 10.0 15 200 12320 275 57 56.8 -5.0 | 274 42 41.7 -2.9 16 170 13329 275 61 60.8 -5.3 | 274 46 45.7 -3.3 17 168 13401 275 62 61.8 -5.4 | 274 47 46.7 -3.4 18 150 14090 270 54 54.0 -0.0 | 267 39 39.0 2.0 19 100 16530 285 31 29.9 -8.0 | 292 16 14.9 -6.0 20 70 18630 300 2 1.7 -1.0 | 94 13 -13.3 1.0 21 50 20640 90 10 -10.0 0.0 | 95 25 -25.0 2.0 22 30 23810 110 29 -27.3 9.9 | 106 44 -42.3 11.9 Wind Parameters Mean winds (0-6000m): 247.6 at 20.2 knts Storm direction: 277.6 at 15.2 knts Shear (0-3000m) pos: 3.6 neg: 2.8 tot: 6.4 10-3/s Storm rel Dir Shear (0-3000m): 88.7 deg Storm rel helicity (0-3000m) pos: 109.5 neg: -5.4 tot: 104.1 m^2/s^2 ave: 34.7 10^-3 m/s^2 rel: 0.50 Storm rel vorticity (0-3000m) horiz: 8.5 stream: 4.3 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 2.01 Bulk Shear: 24.18 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 ------------------------------------------------------------------------------- 500 246 7 118 10| 12.1 0.0 12.1| 44.7 0.0 44.7 89.4 0.68| 14.9 10.2 1000 263 9 115 7| 7.0 0.0 7.0| 44.7 -5.4 39.3 39.3 0.27| 11.8 3.2 1500 267 9 111 7| 4.6 1.0 5.7| 47.3 -5.4 41.9 27.9 0.30| 8.9 2.6 2000 263 9 116 7| 3.5 1.8 5.3| 59.5 -5.4 54.0 27.0 0.41| 8.3 3.4 2500 247 10 135 8| 2.8 3.4 6.2| 71.4 -5.4 66.0 26.4 0.41| 8.6 3.5 3000 239 12 150 10| 3.6 2.8 6.4|109.5 -5.4 104.1 34.7 0.50| 8.5 4.3 4000 236 15 166 11| 3.0 2.1 5.1|126.4 -13.2 113.3 28.3 0.47| 7.4 3.5 5000 241 17 180 11| 3.5 1.7 5.2|164.5 -13.2 151.4 30.3 0.53| 7.2 3.8 6000 248 20 201 10| 3.5 2.1 5.6|202.5 -57.1 145.3 24.2 0.42| 7.4 3.1 Wrote GIF file: /home/apache/climate/data/raob//FAIR/skewt/FAIR.skewt.20251202.00.gif