UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101611.upa.cvt Date: 1100Z 16 OCT 25 Searching for FAIR... Searching the city database file for: FAIR ... Date:1100Z 16 OCT 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 60 1 925 753 2 850 1504 270 11 SFC 848 1500 30.4 0.4 14 30.0 13.1 270 11 318.2 319.1 292.6 333.2 4.64 4 846 1521 27.8 -5.2 11 33.0 10.7 269 11 315.7 316.3 290.5 325.6 3.06 5 841 1574 26.4 -6.6 11 33.0 9.8 267 12 314.8 315.3 289.9 323.8 2.77 6 807 1941 22.8 -5.2 15 28.0 8.5 253 18 314.7 315.3 290.3 325.0 3.21 7 700 3170 11.6 -7.4 26 19.0 2.6 280 21 315.3 315.9 290.4 325.5 3.13 8 685 3350 9.8 -8.2 27 18.0 1.5 277 23 315.3 315.9 290.3 325.0 3.01 9 612 4274 2.4 -26.6 10 29.0 -6.1 260 33 317.1 317.2 288.6 319.6 0.71 10 580 4704 -1.5 -22.5 18 21.0 -8.0 254 39 317.4 317.7 289.1 321.2 1.08 11 576 4760 -0.9 -23.9 16 23.0 -7.9 254 39 318.8 319.0 289.4 322.1 0.96 12 511 5702 -8.9 -19.9 41 11.0 -12.3 246 42 320.2 320.5 290.4 325.4 1.54 13 503 5824 -9.9 -20.9 40 11.0 -13.2 245 42 320.4 320.7 290.4 325.3 1.44 14 500 5870 -9.9 -33.9 12 24.0 -15.0 245 42 321.0 321.1 289.5 322.5 0.43 15 497 5916 -9.9 -40.9 6 31.0 -15.4 245 42 321.5 321.6 289.5 322.3 0.22 16 433 6961 -15.9 -44.9 6 29.0 -20.2 245 45 326.8 326.9 291.0 327.5 0.16 17 400 7550 -20.1 -41.1 14 21.0 -23.2 250 49 328.9 328.9 291.7 329.9 0.26 18 364 8244 -24.9 -52.9 6 28.0 -27.6 255 43 331.4 331.5 292.2 331.8 0.08 19 358 8365 -26.1 -53.1 6 27.0 -28.6 254 43 331.4 331.4 292.2 331.7 0.08 20 300 9620 -36.7 -49.7 25 13.0 -37.7 245 43 333.6 333.7 292.9 334.2 0.14 21 250 10850 -48.3 -53.2 57 4.9 -48.5 240 50 334.3 334.3 293.0 334.7 0.11 22 248 10903 -48.9 -53.6 58 4.7 -49.1 240 51 334.1 334.2 292.9 334.6 0.10 23 240 11117 -50.7 -55.7 55 5.0 -50.9 241 53 334.6 334.6 293.0 334.9 0.08 24 203 12187 -58.7 -65.7 40 7.0 -58.8 245 66 338.4 338.4 293.9 338.5 0.03 25 200 12280 -58.7 -65.7 40 7.0 -58.8 245 67 339.8 339.8 294.3 339.9 0.03 26 198 12343 -58.1 -66.1 35 8.0 -58.2 246 68 341.7 341.7 294.8 341.9 0.03 27 188 12667 -60.3 -68.3 34 8.0 -60.4 250 72 343.3 343.3 295.1 343.4 0.02 28 173 13187 -59.1 -71.1 20 12.0 -59.3 246 86 353.5 353.5 297.4 353.6 0.02 29 170 13296 -59.6 -72.1 18 12.5 -59.7 245 89 354.5 354.5 297.6 354.5 0.01 30 167 13407 -60.1 -73.1 17 13.0 -60.3 246 85 355.5 355.5 297.8 355.5 0.01 31 159 13715 -57.9 -74.9 10 17.0 -58.1 250 72 364.2 364.2 299.5 364.2 0.01 32 151 14039 -59.7 -78.7 7 19.0 -59.9 254 60 366.5 366.5 299.9 366.6 0.01 33 150 14080 -60.3 -79.3 7 19.0 -60.5 255 58 366.2 366.2 299.9 366.2 0.00 34 127 15098 -68.7 -82.7 12 14.0 -68.8 255 52 368.9 368.9 300.4 368.9 0.00 35 114 15739 -71.9 -83.9 15 12.0 -71.9 255 49 374.5 374.5 301.4 374.5 0.00 36 111 15897 -70.9 -82.9 15 12.0 -70.9 255 48 379.3 379.3 302.1 379.3 0.00 37 104 16280 -73.7 -84.7 17 11.0 -73.7 255 45 381.0 381.0 302.4 381.0 0.00 38 100 16510 -72.9 -83.9 17 11.0 -72.9 255 44 386.9 386.9 303.3 386.9 0.00 39 83 17598 -76.3 -85.3 23 9.0 -76.3 234 26 401.1 401.1 305.3 401.1 0.00 40 82 17668 -76.7 -85.7 23 9.0 -76.7 233 25 401.7 401.7 305.5 401.7 0.00 41 78 17962 -69.7 -81.7 16 12.0 -69.8 227 20 422.0 422.0 307.9 422.0 0.01 42 70 18610 -69.1 -82.1 14 13.0 -69.2 215 10 436.6 436.6 309.5 436.6 0.01 43 58 19731 -69.1 -85.1 8 16.0 -69.2 302 11 460.7 460.7 311.8 460.7 0.00 44 52 20391 -63.9 -82.9 6 19.0 -64.2 352 11 487.4 487.4 314.0 487.4 0.01 45 50 20630 -65.7 -84.7 5 19.0 -66.0 10 11 488.7 488.7 314.1 488.7 0.01 46 48 20878 -65.9 -84.9 5 19.0 -66.2 14 11 493.9 493.9 314.5 494.0 0.01 47 43 21556 -60.3 -84.3 3 24.0 -60.9 25 12 523.5 523.5 316.5 523.5 0.01 48 30 23810 -58.7 -87.7 1 29.0 -59.7 60 15 584.6 584.6 319.9 584.7 0.01 49 28 24243 -58.9 -89.9 1 31.0 -60.0 66 14 595.7 595.7 320.4 595.7 0.00 50 20 26380 -53.7 -86.7 1 33.0 -56.2 95 9 671.8 671.8 323.5 671.9 0.01 51 16 27818 -52.7 -85.7 1 33.0 -55.9 719.3 719.3 325.0 719.5 0.02 TRP 188 12667 -60.3 -68.3 34 8.0 -60.4 250 72 343.3 343.3 295.1 343.4 0.02 WND 170 13296 -59.6 -72.1 18 12.5 -59.7 245 89 354.5 354.5 297.6 354.5 0.01 Sounding variables and indices 1000-500 mb thick: 5810.00 m Freezing level: 592.31 mb = 4538.73 m = 14890.66 ft Wetbulb zero: 670.77 mb = 3522.33 m = 11556.05 ft Sfc-500 mean rel hum: 21.18 % Est. max temperature: 27.65 C = 81.77 F Sfc-Lift cond lev (LCL): 545.73 mb = 5184.44 m = 17009.10 ft T: -4.51 C 700-500 lapse rate: 7.96 C/km ThetaE index: 9.42 C Layer 846.0- 807.0 mb Conv cond level (CCL): 467.75 mb = 6375.76 m = 20917.59 ft Mean mixing ratio: 3.13 g/kg Conv temperature: 35.80 C = 96.45 F Cap Strength: 4.15 C Lifted Index: 3.85 C Risk: None Lifted Index @300 mb: 6.87 C Lifted Index @700 mb: 0.41 C Parcel Indices Parcel: using 100 mb layer CAPE (B+): 1.86 J/kg Max Up Vert Vel: 1.93 m/s Conv Inhibition (B-): 42516.65 J/kg Cap Strength: 4.15 C Lift Cond Lev (LCL): 526.33 mb = 5469.20 m = 17943.34 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 284 at 25 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 270 11 11.0 -0.0 | 114 15 -13.4 6.0 1 788 2134 245 21 19.0 8.9 | 160 16 -5.4 14.9 2 761 2438 265 23 22.9 2.0 | 169 8 -1.5 8.0 3 700 3170 280 21 20.7 -3.6 | 123 4 -3.7 2.4 4 634 3962 265 28 27.9 2.4 | 202 9 3.5 8.5 5 588 4572 255 38 36.7 9.8 | 218 20 12.3 15.9 6 545 5182 250 43 40.4 14.7 | 218 26 16.0 20.7 7 500 5870 245 42 38.1 17.7 | 210 27 13.7 23.8 8 466 6401 250 42 39.5 14.4 | 216 25 15.1 20.4 9 430 7010 245 45 40.8 19.0 | 213 30 16.4 25.0 10 400 7550 250 49 46.0 16.8 | 224 31 21.6 22.8 11 364 8230 255 43 41.5 11.1 | 225 24 17.1 17.1 12 334 8839 250 44 41.3 15.0 | 219 27 16.9 21.1 13 300 9620 245 43 39.0 18.2 | 211 28 14.6 24.2 14 250 10850 240 50 43.3 25.0 | 211 36 18.9 31.0 15 200 12280 245 67 60.7 28.3 | 227 50 36.3 34.3 16 188 12667 250 72 67.7 24.6 | 235 53 43.3 30.6 17 170 13296 245 89 80.7 37.6 | 232 71 56.3 43.6 18 150 14080 255 58 56.0 15.0 | 236 38 31.6 21.0 19 100 16510 255 44 42.5 11.4 | 226 25 18.1 17.4 20 70 18610 215 10 5.7 8.2 | 127 23 -18.7 14.2 21 50 20630 10 11 -1.9 -10.8 | 80 27 -26.3 -4.8 22 30 23810 60 15 -13.0 -7.5 | 88 37 -37.4 -1.5 23 20 26380 95 9 -9.0 0.8 | 102 34 -33.4 6.8 Wind Parameters Mean winds (0-6000m): 253.9 at 33.5 knts Storm direction: 283.9 at 25.1 knts Shear (0-3000m) pos: 1.6 neg: 4.7 tot: 6.4 10-3/s Storm rel Dir Shear (0-3000m): 103.3 deg Storm rel helicity (0-3000m) pos: 64.6 neg: -5.8 tot: 58.8 m^2/s^2 ave: 19.6 10^-3 m/s^2 rel: 0.41 Storm rel vorticity (0-3000m) horiz: 7.6 stream: 3.1 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.04 Bulk Shear: 45.86 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 ------------------------------------------------------------------------------- 500 256 15 134 14| 0.0 9.6 9.6| 31.2 0.0 31.2 62.5 0.93| 9.7 9.1 1000 255 18 148 13| 3.6 4.8 8.4| 45.5 -0.2 45.3 45.3 0.64| 10.2 6.5 1500 261 20 151 10| 3.3 3.2 6.4| 45.5 -4.6 40.9 27.3 0.41| 8.2 3.4 2000 266 20 150 9| 2.4 3.0 5.5| 49.1 -5.8 43.3 21.6 0.43| 7.3 3.1 2500 266 21 158 8| 2.0 3.7 5.7| 55.0 -5.8 49.2 19.7 0.45| 7.2 3.2 3000 265 23 172 8| 1.6 4.7 6.4| 64.6 -5.8 58.8 19.6 0.41| 7.6 3.1 4000 260 28 196 11| 1.2 4.5 5.7| 65.6 -18.7 46.9 11.7 0.31| 6.9 2.1 5000 256 31 203 15| 1.2 3.6 4.8| 85.5 -32.9 52.6 10.5 0.29| 6.1 1.8 6000 254 34 207 17| 1.4 3.3 4.7|125.7 -42.7 83.1 13.8 0.31| 5.9 1.8 Wrote GIF file: /home/apache/climate/data/raob//FAIR/skewt/FAIR.skewt.20251016.11.gif