UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101312.upa.cvt Date: 1200Z 13 OCT 25 Searching for FAIR... Searching the city database file for: FAIR ... Date:1200Z 13 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 95 1 925 783 SFC 851 1500 28.4 8.4 28 20.0 15.6 20 9 315.8 317.4 294.7 341.4 8.15 3 850 1529 28.6 8.6 29 20.0 15.7 10 11 316.1 317.7 294.8 342.1 8.27 4 848 1550 26.2 6.2 28 20.0 13.9 9 11 313.8 315.1 293.3 335.8 7.02 5 844 1591 25.2 6.2 30 19.0 13.6 6 11 313.2 314.5 293.1 335.2 7.06 6 718 2978 11.8 2.8 54 9.0 6.6 317 18 313.3 314.5 292.7 333.7 6.53 7 700 3191 11.6 -1.4 40 13.0 4.7 305 20 315.3 316.3 292.0 331.0 4.93 8 698 3215 11.4 -0.6 43 12.0 4.9 305 20 315.4 316.4 292.3 332.0 5.25 9 600 4455 0.0 -7.0 59 7.0 -3.2 276 24 316.1 316.8 291.2 328.3 3.77 10 590 4590 -1.3 -7.3 64 6.0 -4.0 270 24 316.1 316.9 291.2 328.2 3.75 11 523 5540 -8.5 -19.5 41 11.0 -12.0 235 30 318.6 318.9 289.9 323.8 1.56 12 522 5555 -8.7 -20.7 37 12.0 -12.3 235 30 318.5 318.8 289.8 323.3 1.41 13 514 5675 -7.9 -40.9 5 33.0 -14.0 231 28 320.9 320.9 289.2 321.6 0.21 14 500 5890 -8.1 -45.1 3 37.0 -14.4 225 24 323.2 323.2 289.9 323.7 0.14 15 499 5905 -8.1 -47.1 3 39.0 -14.5 225 24 323.3 323.4 289.9 323.8 0.11 16 491 6030 -9.1 -53.1 1 44.0 -15.3 225 24 323.6 323.6 289.9 323.8 0.06 17 456 6596 -11.5 -44.5 5 33.0 -17.0 217 21 327.5 327.6 291.2 328.2 0.16 18 400 7580 -19.5 -47.5 6 28.0 -23.1 210 11 329.6 329.7 291.7 330.2 0.13 19 300 9650 -34.9 -55.9 10 21.0 -36.2 260 23 336.2 336.2 293.4 336.5 0.07 20 260 10628 -44.1 -58.1 20 14.0 -44.7 260 14 336.7 336.7 293.6 336.9 0.06 21 250 10890 -46.1 -60.1 19 14.0 -46.6 260 12 337.5 337.5 293.7 337.7 0.05 22 200 12340 -56.3 -67.3 24 11.0 -56.5 295 16 343.6 343.6 295.2 343.7 0.02 23 190 12664 -59.1 -69.1 26 10.0 -59.2 291 17 344.2 344.2 295.3 344.3 0.02 24 185 12830 -60.3 -68.3 34 8.0 -60.4 290 18 344.9 344.9 295.5 345.0 0.02 25 184 12864 -60.3 -69.3 30 9.0 -60.4 289 18 345.4 345.4 295.6 345.5 0.02 26 173 13249 -59.7 -71.7 20 12.0 -59.9 285 20 352.5 352.5 297.2 352.6 0.01 27 159 13773 -62.5 -75.5 16 13.0 -62.6 279 22 356.4 356.4 298.0 356.5 0.01 28 150 14130 -64.9 -77.9 15 13.0 -65.0 275 23 358.3 358.3 298.4 358.3 0.01 29 140 14548 -67.7 -79.7 17 12.0 -67.8 278 22 360.5 360.5 298.8 360.5 0.00 30 128 15087 -67.5 -79.5 17 12.0 -67.6 282 20 370.2 370.2 300.6 370.3 0.01 31 120 15473 -70.1 -82.1 16 12.0 -70.2 284 19 372.4 372.4 301.0 372.4 0.00 32 105 16263 -71.9 -82.9 18 11.0 -71.9 290 16 383.4 383.4 302.8 383.4 0.00 33 101 16491 -72.1 -83.1 18 11.0 -72.2 286 18 387.3 387.3 303.4 387.3 0.00 34 100 16550 -71.9 -82.9 18 11.0 -71.9 285 18 388.8 388.8 303.6 388.8 0.00 35 70 18660 -68.9 -81.9 14 13.0 -69.0 85 16 437.0 437.0 309.6 437.0 0.01 36 66 19012 -69.7 -82.7 13 13.0 -69.8 82 17 442.7 442.7 310.1 442.7 0.01 37 59 19684 -67.9 -82.9 10 15.0 -68.1 77 19 461.1 461.1 311.9 461.2 0.01 38 57 19895 -63.1 -81.1 7 18.0 -63.4 76 19 476.6 476.6 313.2 476.6 0.01 39 50 20700 -64.1 -83.1 6 19.0 -64.4 70 21 492.4 492.4 314.4 492.5 0.01 40 47 21079 -65.3 -84.3 6 19.0 -65.6 72 22 498.3 498.3 314.8 498.4 0.01 41 41 21921 -60.7 -82.7 4 22.0 -61.3 76 23 529.7 529.7 316.9 529.7 0.01 42 32 23466 -60.9 -84.9 3 24.0 -61.7 83 25 568.0 568.0 319.0 568.1 0.01 43 30 23870 -58.7 -84.7 2 26.0 -59.7 85 26 584.6 584.6 319.9 584.7 0.01 44 20 26440 -55.9 -84.9 1 29.0 -57.9 75 33 665.1 665.1 323.3 665.2 0.01 45 18 27112 -54.7 -85.7 1 31.0 -57.2 689.2 689.2 324.1 689.3 0.01 TRP 105 16263 -71.9 -82.9 18 11.0 -71.9 290 16 383.4 383.4 302.8 383.4 0.00 WND Sounding variables and indices 1000-500 mb thick: 5795.00 m Freezing level: 600.00 mb = 4455.08 m = 14616.23 ft Wetbulb zero: 638.54 mb = 3944.79 m = 12942.06 ft Precipitable water: 0.68 inches Sfc-500 mean rel hum: 44.95 % Est. max temperature: 27.85 C = 82.13 F Sfc-Lift cond lev (LCL): 634.84 mb = 3992.46 m = 13098.45 ft T: 4.25 C 700-500 lapse rate: 7.30 C/km ThetaE index: 11.09 C Layer 848.0- 698.0 mb Conv cond level (CCL): 610.24 mb = 4316.36 m = 14161.12 ft Mean mixing ratio: 6.90 g/kg Conv temperature: 28.66 C = 83.58 F Cap Strength: 2.28 C Lifted Index: 0.90 C Risk: Showers probable Lifted Index @300 mb: 2.35 C Lifted Index @700 mb: 1.82 C Showalter Index: -2.17 C Risk: Severe thunderstorms possible Total Totals Index: 53.40 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 36.70 C Cross Totals Index: 16.70 C K Index: 32.30 Risk: 60-80 % chance of thunderstorms Sweat Index: 237.20 Risk: None Energy Index: -3.52 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 38.24 J/kg Max Up Vert Vel: 8.74 m/s Conv Inhibition (B-): 93.09 J/kg Cap Strength: 2.67 C Lift Cond Lev (LCL): 633.29 mb = 4012.51 m = 13164.24 ft Lev Free Conv (LFC): 578.29 mb = 4747.77 m = 15576.48 ft Equ Level (EL): 508.29 mb = 5761.98 m = 18903.91 ft B at Equ Level: 37.09 J/kg Max Parcel Lev (MPL): 458.29 mb = 6557.91 m = 21515.19 ft Wind level data Storm motion: 293 at 16 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 ---------------------------------------------------------- 0 851 1500 20 9 -3.1 -8.5 | 82 18 -17.4 -2.5 1 850 1529 10 11 -1.9 -10.8 | 73 17 -16.3 -4.8 2 792 2134 330 13 6.5 -11.3 | 56 9 -7.9 -5.3 3 764 2438 345 13 3.4 -12.6 | 59 13 -11.0 -6.6 4 700 3191 305 20 16.4 -11.5 | 340 6 2.0 -5.5 5 636 3962 295 22 19.9 -9.3 | 301 6 5.6 -3.3 6 589 4572 270 24 24.0 -0.0 | 238 11 9.6 6.0 7 546 5182 245 36 32.6 15.2 | 221 28 18.3 21.2 8 500 5890 225 24 17.0 17.0 | 187 23 2.6 23.0 9 467 6401 225 25 17.7 17.7 | 188 24 3.3 23.7 10 431 7010 200 13 4.4 12.2 | 151 21 -9.9 18.2 11 400 7580 210 11 5.5 9.5 | 150 18 -8.9 15.5 12 365 8230 205 12 5.1 10.9 | 151 19 -9.3 16.9 13 336 8839 210 17 8.5 14.7 | 164 22 -5.9 20.7 14 300 9650 260 23 22.7 4.0 | 220 13 8.3 10.0 15 250 10890 260 12 11.8 2.1 | 163 8 -2.5 8.1 16 200 12340 295 16 14.5 -6.8 | 349 1 0.1 -0.8 17 150 14130 275 23 22.9 -2.0 | 245 9 8.6 4.0 18 105 16263 290 16 15.0 -5.5 | 232 1 0.7 0.5 19 100 16550 285 18 17.4 -4.7 | 246 3 3.0 1.3 20 70 18660 85 16 -15.9 -1.4 | 99 31 -30.3 4.6 21 50 20700 70 21 -19.7 -7.2 | 88 34 -34.1 -1.2 22 30 23870 85 26 -25.9 -2.3 | 95 40 -40.3 3.7 23 20 26440 75 33 -31.9 -8.5 | 87 46 -46.2 -2.5 Wind Parameters Mean winds (0-6000m): 262.7 at 20.7 knts Storm direction: 292.7 at 15.6 knts Shear (0-3000m) pos: 0.2 neg: 4.9 tot: 5.1 10-3/s Storm rel Dir Shear (0-3000m): 161.1 deg Storm rel helicity (0-3000m) pos: 1.2 neg: -74.8 tot: -73.6 m^2/s^2 ave: -24.5 10^-3 m/s^2 rel: -0.75 Storm rel vorticity (0-3000m) horiz: 6.8 stream: -5.0 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.50 Bulk Shear: 76.37 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 ------------------------------------------------------------------------------- 500 354 12 67 14| 0.0 8.5 8.5| 0.0 -24.3 -24.3 -48.7 -0.66| 9.3 -6.1 1000 345 12 62 13| 0.6 4.3 4.9| 1.2 -28.1 -26.8 -26.8 -0.49| 7.1 -3.5 1500 337 14 54 11| 0.4 5.7 6.1| 1.2 -45.7 -44.5 -29.7 -0.62| 7.7 -4.7 2000 326 15 41 9| 0.3 5.5 5.8| 1.2 -54.2 -53.0 -26.5 -0.68| 7.2 -4.9 2500 317 17 27 7| 0.2 4.9 5.1| 1.2 -59.2 -58.0 -23.2 -0.71| 6.4 -4.5 3000 309 18 8 5| 0.2 4.9 5.1| 1.2 -74.8 -73.6 -24.5 -0.75| 6.8 -5.0 4000 287 21 271 6| 0.2 5.0 5.2| 1.2-161.3-160.1 -40.0 -0.66| 8.4 -5.6 5000 271 22 234 9| 0.1 3.4 3.5| 5.0-229.1-224.1 -44.8 -0.69| 8.0 -5.5 6000 263 21 216 11| 0.3 2.0 2.3| 5.0-299.1-294.2 -49.0 -0.71| 7.9 -5.6 Wrote GIF file: /home/apache/climate/data/raob//FAIR/skewt/FAIR.skewt.20251013.12.gif