UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025102812.upa.cvt Date: 1200Z 28 OCT 25 Searching for FAIR... Searching the city database file for: FAIR ... Date:1200Z 28 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 115 1 925 804 SFC 853 1500 28.8 12.8 37 16.0 17.9 350 10 316.0 318.1 296.7 350.2 10.96 3 852 1517 26.4 12.4 42 14.0 17.0 3 11 313.6 315.6 295.9 346.7 10.68 4 850 1551 25.4 12.4 44 13.0 16.7 30 14 312.8 314.8 295.7 345.8 10.70 5 849 1561 25.2 12.2 44 13.0 16.5 30 14 312.7 314.7 295.6 345.3 10.58 6 838 1676 23.6 11.6 47 12.0 15.7 25 15 312.1 314.1 295.3 343.9 10.29 7 754 2586 14.8 9.8 72 5.0 11.6 350 17 312.2 314.1 295.1 343.4 10.14 8 739 2756 13.4 9.1 75 4.3 10.7 350 16 312.4 314.3 295.0 342.9 9.87 9 700 3212 12.0 0.0 44 12.0 5.4 350 15 315.8 316.8 292.6 333.1 5.47 10 690 3332 11.6 -3.4 35 15.0 3.9 342 14 316.6 317.5 291.9 330.5 4.31 11 675 3515 10.4 -4.6 34 15.0 2.9 329 12 317.3 318.1 291.8 330.3 4.03 12 572 4861 -1.3 -9.3 54 8.0 -4.8 227 8 318.9 319.6 291.6 329.8 3.30 13 570 4889 -1.7 -10.7 50 9.0 -5.5 226 8 318.8 319.4 291.3 328.6 2.97 14 566 4945 -1.7 -14.7 36 13.0 -6.7 223 8 319.4 319.9 290.7 326.7 2.16 15 520 5614 -5.3 -18.3 35 13.0 -9.8 239 16 322.9 323.3 291.4 328.9 1.74 16 516 5674 -5.7 -18.7 35 13.0 -10.1 243 17 323.2 323.5 291.4 329.0 1.69 17 500 5920 -7.7 -16.7 48 9.0 -10.9 260 20 323.7 324.1 291.9 330.7 2.07 18 466 6465 -11.9 -14.4 82 2.5 -12.8 279 22 325.0 325.5 292.8 334.1 2.69 19 460 6564 -12.7 -15.3 81 2.6 -13.6 277 23 325.2 325.7 292.7 333.8 2.53 20 441 6886 -13.7 -16.7 78 3.0 -14.7 272 26 327.9 328.4 293.3 336.0 2.35 21 439 6921 -13.7 -16.4 80 2.7 -14.6 272 26 328.3 328.8 293.5 336.6 2.42 22 430 7079 -13.1 -20.1 56 7.0 -15.4 273 27 331.0 331.4 293.7 337.4 1.80 23 425 7168 -12.5 -48.5 3 36.0 -18.0 278 26 332.9 332.9 292.6 333.4 0.11 24 424 7186 -12.5 -50.5 3 38.0 -18.1 278 26 333.1 333.2 292.7 333.5 0.09 25 407 7498 -14.3 -46.3 5 32.0 -19.3 294 25 334.7 334.8 293.2 335.3 0.15 26 400 7630 -15.3 -47.3 5 32.0 -20.1 300 24 335.1 335.1 293.2 335.6 0.13 27 390 7821 -16.7 -48.7 4 32.0 -21.2 303 25 335.7 335.7 293.4 336.2 0.12 28 312 9452 -29.9 -36.9 51 7.0 -30.9 275 37 339.4 339.5 294.7 341.4 0.52 29 300 9730 -32.1 -45.1 26 13.0 -33.5 265 40 340.1 340.2 294.6 341.0 0.23 30 286 10066 -35.3 -50.3 20 15.0 -36.5 266 43 340.2 340.3 294.5 340.8 0.13 31 276 10313 -37.5 -44.5 48 7.0 -38.1 267 45 340.5 340.6 294.7 341.6 0.26 32 264 10619 -39.9 -46.9 47 7.0 -40.5 269 48 341.4 341.4 294.8 342.2 0.21 33 251 10963 -42.9 -57.9 18 15.0 -43.6 270 51 341.9 341.9 294.8 342.2 0.06 34 250 10990 -43.1 -58.1 18 15.0 -43.7 270 51 342.0 342.0 294.8 342.2 0.06 35 243 11180 -44.7 -54.7 32 10.0 -45.2 271 53 342.4 342.4 295.0 342.8 0.09 36 220 11835 -49.9 -52.4 75 2.5 -50.0 273 61 344.2 344.3 295.4 344.8 0.14 37 205 12292 -52.9 -58.9 48 6.0 -53.1 274 66 346.5 346.6 295.9 346.8 0.07 38 200 12450 -54.3 -59.3 54 5.0 -54.4 275 68 346.8 346.8 296.0 347.1 0.06 39 174 13330 -61.3 -67.3 45 6.0 -61.4 279 74 349.3 349.3 296.5 349.4 0.03 40 170 13474 -62.2 -68.7 41 6.5 -62.3 280 75 350.2 350.2 296.7 350.3 0.02 41 151 14200 -66.7 -75.7 27 9.0 -66.8 271 59 354.5 354.5 297.6 354.5 0.01 42 150 14240 -66.9 -74.9 31 8.0 -67.0 270 58 354.8 354.8 297.7 354.9 0.01 43 127 15232 -71.9 -80.9 25 9.0 -71.9 280 52 363.1 363.1 299.3 363.1 0.00 44 111 16027 -70.9 -81.9 18 11.0 -70.9 280 40 379.3 379.3 302.1 379.3 0.00 45 100 16640 -74.3 -84.3 20 10.0 -74.3 280 30 384.2 384.2 302.9 384.2 0.00 46 95 16939 -72.7 -83.7 17 11.0 -72.8 277 26 393.0 393.0 304.2 393.0 0.00 47 83 17720 -77.5 -86.5 22 9.0 -77.5 270 15 398.7 398.7 305.0 398.7 0.00 48 76 18227 -74.7 -83.7 23 9.0 -74.7 265 8 414.7 414.7 307.1 414.7 0.00 49 74 18383 -70.9 -81.9 18 11.0 -71.0 263 6 425.9 425.9 308.4 425.9 0.01 50 70 18710 -72.7 -83.7 17 11.0 -72.8 260 1 428.9 428.9 308.7 428.9 0.01 51 67 18968 -73.7 -84.7 17 11.0 -73.7 237 3 432.1 432.1 309.1 432.1 0.00 52 64 19240 -68.3 -82.3 12 14.0 -68.4 212 6 449.6 449.6 310.8 449.7 0.01 53 59 19728 -70.5 -84.5 11 14.0 -70.6 169 10 455.3 455.3 311.4 455.3 0.01 54 50 20730 -64.1 -82.1 7 18.0 -64.4 80 18 492.4 492.4 314.4 492.5 0.01 55 37 22585 -60.1 -84.1 3 24.0 -60.9 62 19 547.0 547.0 317.9 547.0 0.01 56 33 23295 -61.5 -87.5 2 26.0 -62.2 56 19 561.5 561.5 318.7 561.5 0.01 57 30 23890 -57.5 -85.5 2 28.0 -58.7 50 19 587.9 587.9 320.0 587.9 0.01 58 25 25049 -54.9 -86.9 1 32.0 -56.8 626.8 626.8 321.7 626.9 0.01 TRP 127 15232 -71.9 -80.9 25 9.0 -71.9 280 52 363.1 363.1 299.3 363.1 0.00 WND 170 13474 -62.2 -68.7 41 6.5 -62.3 280 75 350.2 350.2 296.7 350.3 0.02 Sounding variables and indices 1000-500 mb thick: 5805.00 m Freezing level: 583.44 mb = 4711.27 m = 15456.73 ft Wetbulb zero: 636.45 mb = 3992.84 m = 13099.70 ft Precipitable water: 0.92 inches Sfc-500 mean rel hum: 47.85 % Est. max temperature: 28.33 C = 83.00 F Sfc-Lift cond lev (LCL): 675.35 mb = 3510.51 m = 11517.29 ft T: 10.43 C 700-500 lapse rate: 7.27 C/km ThetaE index: 23.59 C Layer 852.0- 520.0 mb Conv cond level (CCL): 650.36 mb = 3817.18 m = 12523.40 ft Mean mixing ratio: 10.26 g/kg Conv temperature: 30.44 C = 86.78 F Cap Strength: 3.32 C Lifted Index: -2.45 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -0.30 C Lifted Index @700 mb: 3.13 C Showalter Index: -3.21 C Risk: Severe thunderstorms possible Total Totals Index: 53.20 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 33.10 C Cross Totals Index: 20.10 C K Index: 33.50 Risk: 60-80 % chance of thunderstorms Sweat Index: 280.80 Risk: None Energy Index: -2.93 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 263.05 J/kg Max Up Vert Vel: 22.94 m/s Conv Inhibition (B-): 104.26 J/kg Cap Strength: 3.60 C Lift Cond Lev (LCL): 700.78 mb = 3202.61 m = 10507.14 ft Lev Free Conv (LFC): 605.78 mb = 4394.38 m = 14417.07 ft Equ Level (EL): 415.78 mb = 7335.58 m = 24066.58 ft B at Equ Level: 216.75 J/kg Max Parcel Lev (MPL): 165.78 mb = 13628.04 m = 44710.86 ft Wind level data Storm motion: 326 at 12 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 ---------------------------------------------------------- 0 853 1500 350 10 1.7 -9.8 | 90 5 -4.8 -0.0 1 850 1551 30 14 -7.0 -12.1 | 80 14 -13.6 -2.3 2 794 2134 5 20 -1.7 -19.9 | 39 13 -8.3 -10.1 3 766 2438 350 17 3.0 -16.7 | 28 8 -3.6 -6.9 4 700 3212 350 15 2.6 -14.8 | 39 6 -4.0 -5.0 5 638 3962 295 7 6.3 -3.0 | 178 7 -0.2 6.8 6 591 4572 240 5 4.3 2.5 | 170 13 -2.2 12.3 7 548 5182 210 11 5.5 9.5 | 177 19 -1.1 19.3 8 500 5920 260 20 19.7 3.5 | 225 19 13.1 13.3 9 470 6401 280 21 20.7 -3.6 | 246 15 14.1 6.2 10 434 7010 270 27 27.0 -0.0 | 244 23 20.4 9.8 11 400 7630 300 24 20.8 -12.0 | 279 14 14.2 -2.2 12 368 8230 310 26 19.9 -16.7 | 297 15 13.3 -6.9 13 339 8839 295 32 29.0 -13.5 | 279 23 22.4 -3.7 14 300 9730 265 40 39.8 3.5 | 248 36 33.3 13.3 15 250 10990 270 51 51.0 -0.0 | 258 45 44.4 9.8 16 200 12450 275 68 67.7 -5.9 | 266 61 61.2 3.9 17 170 13474 280 75 73.9 -13.0 | 273 67 67.3 -3.2 18 150 14240 270 58 58.0 -0.0 | 259 52 51.4 9.8 19 127 15232 280 52 51.2 -9.0 | 269 45 44.6 0.8 20 100 16640 280 30 29.5 -5.2 | 259 23 23.0 4.6 21 70 18710 260 1 1.0 0.2 | 151 11 -5.6 10.0 22 50 20730 80 18 -17.7 -3.1 | 105 25 -24.3 6.7 23 30 23890 50 19 -14.6 -12.2 | 84 21 -21.1 -2.4 Wind Parameters Mean winds (0-6000m): 296.2 at 15.7 knts Storm direction: 326.2 at 11.8 knts Shear (0-3000m) pos: 1.7 neg: 3.8 tot: 5.5 10-3/s Storm rel Dir Shear (0-3000m): 82.0 deg Storm rel helicity (0-3000m) pos: 2.5 neg: -45.8 tot: -43.3 m^2/s^2 ave: -14.4 10^-3 m/s^2 rel: -0.26 Storm rel vorticity (0-3000m) horiz: 7.7 stream: -2.0 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 4.52 Bulk Shear: 58.17 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 19 16 65 13| 10.2 0.0 10.2| 0.0 -26.4 -26.4 -52.9 -0.54| 16.0 -8.6 1000 8 17 51 12| 5.1 3.4 8.5| 0.0 -40.2 -40.2 -40.2 -0.55| 12.1 -6.6 1500 2 17 45 10| 3.4 2.4 5.8| 1.6 -40.2 -38.6 -25.7 -0.48| 8.5 -4.1 2000 358 16 43 9| 2.6 3.2 5.8| 2.4 -40.8 -38.4 -19.2 -0.38| 8.0 -3.0 2500 354 15 46 7| 2.0 3.8 5.9| 2.5 -42.0 -39.5 -15.8 -0.26| 8.2 -2.1 3000 349 13 52 5| 1.7 3.8 5.5| 2.5 -45.8 -43.3 -14.4 -0.26| 7.7 -2.0 4000 335 12 48 2| 0.8 3.5 4.3| 40.1 -46.6 -6.5 -1.6 -0.07| 7.5 -0.5 5000 308 14 253 4| 2.2 2.8 5.0|120.0 -46.6 73.4 14.7 0.16| 7.9 1.3 6000 296 16 249 8| 2.5 2.7 5.3|163.9 -50.4 113.5 18.9 0.22| 8.0 1.7 Wrote GIF file: /home/apache/climate/data/raob//FAIR/skewt/FAIR.skewt.20251028.12.gif