UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120223.upa.cvt Date: 2300Z 2 DEC 25 Searching for FAIR... Searching the city database file for: FAIR ... Date:2300Z 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 144 1 925 796 2 850 1504 150 4 SFC 848 1500 14.6 11.4 81 3.2 12.6 150 4 301.6 303.5 292.0 331.3 10.03 4 828 1705 15.2 8.2 63 7.0 11.0 169 5 304.3 305.9 291.5 329.1 8.27 5 822 1768 16.8 6.8 52 10.0 10.8 175 5 306.7 308.1 291.6 329.6 7.56 6 723 2869 11.8 1.8 50 10.0 6.2 192 15 312.6 313.8 292.2 331.5 6.04 7 700 3143 10.2 0.2 50 10.0 4.8 170 13 313.8 314.8 292.0 331.3 5.55 8 636 3930 3.4 -3.6 60 7.0 -0.1 212 26 314.8 315.6 291.6 329.4 4.61 9 609 4280 1.0 -9.0 47 10.0 -3.4 220 27 315.9 316.5 290.6 326.2 3.18 10 598 4426 0.2 -8.8 51 9.0 -3.7 222 27 316.7 317.3 290.9 327.3 3.29 11 576 4726 -0.9 -25.9 13 25.0 -8.2 226 27 318.8 318.9 289.2 321.6 0.80 12 548 5122 -3.7 -28.7 12 25.0 -10.3 229 26 320.0 320.2 289.5 322.3 0.65 13 534 5325 -5.9 -12.9 58 7.0 -8.7 226 26 319.8 320.3 291.3 328.6 2.65 14 529 5399 -5.3 -34.3 8 29.0 -11.9 224 26 321.4 321.4 289.6 322.8 0.40 15 518 5564 -5.9 -35.9 7 30.0 -12.5 219 25 322.6 322.6 289.9 323.8 0.34 16 514 5624 -6.9 -14.9 53 8.0 -9.9 217 25 322.1 322.5 291.7 329.9 2.34 17 507 5731 -6.5 -37.5 6 31.0 -13.0 213 25 323.8 323.9 290.3 324.9 0.30 18 500 5840 -7.1 -55.1 1 48.0 -13.9 210 25 324.4 324.4 290.2 324.6 0.04 19 495 5918 -7.5 -55.5 1 48.0 -14.3 213 26 324.8 324.8 290.3 325.0 0.04 20 489 6013 -7.9 -55.9 1 48.0 -14.6 216 26 325.5 325.5 290.5 325.6 0.04 21 400 7540 -20.3 -53.3 4 33.0 -23.8 230 34 328.6 328.6 291.4 328.9 0.07 22 396 7614 -21.1 -51.1 5 30.0 -24.4 232 35 328.5 328.5 291.4 328.9 0.09 23 358 8349 -25.3 -58.3 3 33.0 -28.0 246 39 332.5 332.5 292.4 332.7 0.04 24 314 9282 -32.9 -36.3 72 3.4 -33.4 270 35 334.6 334.7 293.5 336.7 0.55 25 300 9600 -34.7 -38.1 71 3.4 -35.1 285 31 336.5 336.6 293.9 338.3 0.48 26 298 9647 -34.9 -38.3 71 3.4 -35.3 285 32 336.8 336.9 294.0 338.6 0.47 27 264 10482 -42.7 -45.5 74 2.8 -42.9 289 46 337.3 337.3 293.9 338.3 0.25 28 250 10850 -45.1 -49.5 61 4.4 -45.3 290 52 339.0 339.0 294.3 339.7 0.17 29 200 12300 -57.5 -60.6 68 3.1 -57.6 280 60 341.7 341.7 294.8 341.9 0.05 30 197 12395 -58.3 -61.3 68 3.0 -58.3 279 62 341.9 341.9 294.8 342.1 0.05 31 183 12854 -61.5 -64.3 69 2.8 -61.6 275 71 344.0 344.0 295.3 344.2 0.04 32 182 12888 -61.7 -64.8 66 3.1 -61.7 274 72 344.2 344.2 295.4 344.4 0.03 33 178 13026 -60.5 -69.5 30 9.0 -60.6 273 75 348.4 348.4 296.3 348.5 0.02 34 174 13167 -61.3 -78.3 9 17.0 -61.4 271 78 349.3 349.3 296.5 349.3 0.01 35 170 13310 -62.0 -77.4 11 15.3 -62.1 270 81 350.5 350.5 296.7 350.5 0.01 36 160 13683 -63.9 -74.9 21 11.0 -64.0 268 74 353.4 353.4 297.4 353.5 0.01 37 156 13838 -61.9 -73.9 19 12.0 -62.0 267 71 359.4 359.4 298.6 359.4 0.01 38 150 14080 -62.9 -75.9 16 13.0 -63.0 265 66 361.7 361.7 299.0 361.8 0.01 39 100 16530 -70.5 -84.5 11 14.0 -70.6 255 35 391.5 391.5 304.0 391.5 0.00 40 83 17619 -76.5 -87.5 16 11.0 -76.5 250 19 400.7 400.7 305.3 400.7 0.00 41 81 17761 -72.9 -83.9 17 11.0 -72.9 246 18 410.9 410.9 306.6 410.9 0.00 42 72 18454 -71.3 -85.3 11 14.0 -71.4 229 13 428.4 428.4 308.7 428.4 0.00 43 70 18620 -72.7 -86.7 10 14.0 -72.8 225 12 428.9 428.9 308.7 428.9 0.00 44 64 19149 -72.7 -87.7 9 15.0 -72.8 193 13 440.0 440.0 309.8 440.0 0.00 45 63 19242 -68.7 -84.7 8 16.0 -68.8 187 14 450.8 450.8 310.9 450.8 0.00 46 59 19639 -66.9 -85.9 5 19.0 -67.1 164 15 463.4 463.4 312.1 463.4 0.00 47 55 20062 -68.7 -87.7 5 19.0 -68.9 139 16 468.6 468.6 312.5 468.7 0.00 48 50 20640 -65.3 -87.3 3 22.0 -65.6 105 17 489.6 489.6 314.2 489.6 0.00 49 31 23585 -58.3 -89.3 1 31.0 -59.4 114 27 580.2 580.2 319.7 580.3 0.00 50 30 23790 -58.7 -89.7 1 31.0 -59.7 115 28 584.6 584.6 319.9 584.6 0.00 51 24 25196 -58.9 -89.9 1 31.0 -60.2 109 24 622.6 622.6 321.6 622.6 0.00 52 20 26360 -52.7 -85.7 1 33.0 -55.5 105 20 674.9 674.9 323.6 675.0 0.01 53 16 27819 -47.3 -82.3 1 35.0 -52.3 737.0 737.0 325.6 737.2 0.03 TRP 83 17619 -76.5 -87.5 16 11.0 -76.5 250 19 400.7 400.7 305.3 400.7 0.00 WND 170 13310 -62.0 -77.4 11 15.3 -62.1 270 81 350.5 350.5 296.7 350.5 0.01 Sounding variables and indices 1000-500 mb thick: 5696.00 m Freezing level: 594.00 mb = 4480.79 m = 14700.56 ft Wetbulb zero: 637.28 mb = 3913.35 m = 12838.92 ft Sfc-500 mean rel hum: 42.93 % Est. max temperature: 26.21 C = 79.17 F Sfc-Lift cond lev (LCL): 808.32 mb = 1912.24 m = 6273.68 ft T: 16.15 C 700-500 lapse rate: 6.41 C/km ThetaE index: 5.30 C Layer 700.0- 598.0 mb Conv cond level (CCL): 628.62 mb = 4024.12 m = 13202.34 ft Mean mixing ratio: 7.45 g/kg Conv temperature: 27.41 C = 81.34 F Cap Strength: 5.66 C Lifted Index: 4.01 C Risk: None Lifted Index @300 mb: 5.42 C Lifted Index @700 mb: 5.62 C Parcel Indices Parcel: using 100 mb layer CAPE (B+): 34.47 J/kg Max Up Vert Vel: 8.30 m/s Conv Inhibition (B-): 40297.60 J/kg Cap Strength: 5.66 C Lift Cond Lev (LCL): 696.82 mb = 3180.33 m = 10434.04 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 248 at 17 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 150 4 -2.0 3.5 | 80 18 -17.5 -2.9 1 788 2134 210 6 3.0 5.2 | 84 13 -12.5 -1.2 2 760 2438 225 17 12.0 12.0 | 148 7 -3.5 5.6 3 700 3143 170 13 -2.3 12.8 | 110 19 -17.8 6.4 4 632 3962 215 27 15.5 22.1 | 180 16 -0.0 15.7 5 586 4572 225 27 19.1 19.1 | 196 13 3.6 12.7 6 543 5182 230 26 19.9 16.7 | 203 11 4.4 10.3 7 500 5840 210 25 12.5 21.7 | 169 16 -3.0 15.2 8 465 6401 230 29 22.2 18.6 | 209 14 6.7 12.2 9 429 7010 215 31 17.8 25.4 | 187 19 2.3 19.0 10 400 7540 230 34 26.0 21.9 | 214 19 10.5 15.5 11 363 8230 245 39 35.3 16.5 | 243 22 19.8 10.1 12 334 8839 250 41 38.5 14.0 | 252 24 23.0 7.6 13 300 9600 285 31 29.9 -8.0 | 315 20 14.4 -14.4 14 250 10850 290 52 48.9 -17.8 | 306 41 33.4 -24.2 15 200 12300 280 60 59.1 -10.4 | 291 47 43.6 -16.8 16 170 13310 270 81 81.0 -0.0 | 276 66 65.5 -6.4 17 150 14080 265 66 65.7 5.8 | 271 50 50.2 -0.6 18 100 16530 255 35 33.8 9.1 | 262 18 18.3 2.7 19 83 17619 250 19 17.9 6.5 | 268 2 2.3 0.1 20 70 18620 225 12 8.5 8.5 | 107 7 -7.0 2.1 21 50 20640 105 17 -16.4 4.4 | 86 32 -31.9 -2.0 22 30 23790 115 28 -25.4 11.8 | 98 41 -40.9 5.4 23 20 26360 105 20 -19.3 5.2 | 88 35 -34.8 -1.2 Wind Parameters Mean winds (0-6000m): 217.6 at 22.4 knts Storm direction: 247.6 at 16.8 knts Shear (0-3000m) pos: 5.9 neg: 1.8 tot: 7.7 10-3/s Storm rel Dir Shear (0-3000m): 113.2 deg Storm rel helicity (0-3000m) pos: 132.6 neg: -26.3 tot: 106.3 m^2/s^2 ave: 35.4 10^-3 m/s^2 rel: 0.50 Storm rel vorticity (0-3000m) horiz: 9.3 stream: 4.6 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.74 Bulk Shear: 46.81 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 ------------------------------------------------------------------------------- 500 180 5 84 16| 4.2 0.0 4.2| 6.5 0.0 6.5 12.9 0.35| 4.4 1.5 1000 208 8 92 12| 8.1 0.0 8.1| 27.9 -0.5 27.4 27.4 0.62| 8.6 5.3 1500 206 10 104 11| 5.4 3.6 9.0| 27.9 -20.1 7.8 5.2 0.17| 9.4 1.6 2000 197 12 111 13| 5.4 2.7 8.2| 63.8 -26.3 37.6 18.8 0.29| 9.6 2.8 2500 202 14 123 12| 6.8 2.2 9.0|120.1 -26.3 93.8 37.5 0.47| 10.4 4.9 3000 208 16 135 11| 5.9 1.8 7.7|132.6 -26.3 106.3 35.4 0.50| 9.3 4.6 4000 215 19 152 10| 4.5 1.8 6.3|138.7 -38.3 100.4 25.1 0.41| 7.9 3.2 5000 216 20 161 11| 4.1 1.6 5.8|175.4 -54.9 120.5 24.1 0.40| 7.9 3.1 6000 218 22 171 11| 4.0 1.8 5.9|216.0 -77.6 138.4 23.1 0.37| 7.8 2.9 Wrote GIF file: /home/apache/climate/data/raob//FAIR/skewt/FAIR.skewt.20251202.23.gif