UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025102100.upa.cvt Date: 0000Z 21 OCT 25 Searching for FAIR... Searching the city database file for: FAIR ... Date:0000Z 21 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 220 1 925 866 SFC 855 1500 9.8 9.0 95 0.8 9.3 100 9 295.9 297.4 288.9 320.4 8.45 3 853 1527 10.2 6.9 80 3.3 8.3 100 10 296.5 297.9 288.1 317.9 7.33 4 850 1567 10.0 6.8 80 3.2 8.2 100 12 296.6 297.9 288.1 317.9 7.31 5 807 1998 7.6 7.6 100 0.0 7.6 62 11 298.5 300.0 289.5 322.4 8.14 6 700 3163 3.2 3.2 100 0.0 3.2 105 4 306.0 307.3 290.9 327.0 6.90 7 655 3699 0.6 0.6 100 0.0 0.6 210 7 309.0 310.1 291.1 327.8 6.11 8 592 4502 -5.3 -5.4 99 0.1 -5.4 252 18 311.2 312.0 290.2 324.8 4.32 9 563 4895 -6.9 -9.4 82 2.5 -7.9 245 23 313.8 314.4 290.1 324.5 3.33 10 556 4993 -7.5 -15.5 53 8.0 -10.3 243 25 314.2 314.6 289.0 321.0 2.06 11 500 5810 -13.7 -15.7 85 2.0 -14.4 240 35 316.3 316.8 289.9 323.8 2.25 12 491 5948 -14.1 -15.2 91 1.1 -14.5 239 35 317.5 318.0 290.4 325.4 2.39 13 476 6182 -15.9 -18.2 82 2.3 -16.6 237 36 318.1 318.5 290.1 324.5 1.92 14 470 6278 -15.9 -21.9 60 6.0 -17.6 236 37 319.3 319.5 290.0 324.1 1.41 15 451 6588 -17.9 -20.7 79 2.8 -18.7 239 44 320.5 320.9 290.6 326.1 1.63 16 448 6638 -16.7 -27.7 38 11.0 -19.2 241 45 322.7 322.8 290.5 325.8 0.88 17 437 6824 -17.3 -46.3 6 29.0 -21.2 245 52 324.2 324.2 290.2 324.7 0.14 18 436 6841 -17.3 -45.3 7 28.0 -21.2 246 53 324.4 324.4 290.3 325.0 0.15 19 415 7209 -20.5 -43.5 11 23.0 -23.6 250 61 324.9 324.9 290.5 325.7 0.20 20 413 7244 -20.9 -31.9 37 11.0 -23.0 250 61 324.8 325.0 290.9 327.2 0.64 21 408 7334 -21.3 -43.3 12 22.0 -24.2 250 62 325.5 325.5 290.6 326.2 0.20 22 400 7480 -22.3 -45.3 10 23.0 -25.1 250 63 326.0 326.0 290.7 326.6 0.17 23 399 7498 -22.3 -46.3 9 24.0 -25.2 250 63 326.2 326.3 290.8 326.8 0.15 24 391 7647 -23.7 -41.7 17 18.0 -26.1 250 64 326.3 326.4 290.9 327.3 0.25 25 387 7722 -23.9 -31.9 48 8.0 -25.4 250 64 327.0 327.1 291.6 329.5 0.68 26 377 7913 -25.5 -33.5 47 8.0 -26.8 250 65 327.3 327.5 291.6 329.5 0.60 27 372 8010 -25.7 -32.7 52 7.0 -26.9 250 66 328.3 328.5 291.9 330.7 0.66 28 342 8617 -29.1 -48.1 14 19.0 -30.9 253 77 331.7 331.7 292.3 332.3 0.14 29 340 8659 -29.5 -48.5 14 19.0 -31.3 253 78 331.7 331.7 292.3 332.3 0.14 30 300 9540 -37.1 -51.1 22 14.0 -38.1 260 84 333.1 333.1 292.7 333.5 0.12 31 250 10770 -47.9 -54.9 44 7.0 -48.2 255 95 334.9 334.9 293.1 335.2 0.09 32 248 10823 -48.3 -55.3 44 7.0 -48.6 256 96 335.0 335.0 293.2 335.4 0.09 33 239 11066 -49.1 -55.1 50 6.0 -49.3 258 102 337.4 337.4 293.7 337.8 0.09 34 234 11205 -49.8 -56.9 43 7.1 -50.1 260 105 338.3 338.3 294.0 338.6 0.07 35 213 11816 -53.1 -65.1 22 12.0 -53.4 254 95 342.5 342.5 295.0 342.6 0.03 36 200 12220 -55.3 -68.3 18 13.0 -55.5 250 89 345.2 345.2 295.6 345.3 0.02 37 199 12252 -55.7 -68.7 18 13.0 -55.9 250 88 345.1 345.1 295.6 345.1 0.02 38 163 13511 -59.9 -74.9 12 15.0 -60.1 250 62 358.3 358.3 298.4 358.3 0.01 39 155 13825 -59.7 -76.7 9 17.0 -59.9 250 55 363.8 363.8 299.4 363.8 0.01 40 154 13866 -59.9 -76.9 9 17.0 -60.1 250 54 364.1 364.1 299.5 364.2 0.01 41 150 14030 -60.7 -77.7 9 17.0 -60.9 250 51 365.5 365.5 299.8 365.5 0.01 42 130 14908 -65.1 -82.1 8 17.0 -65.2 243 41 372.9 372.9 301.1 372.9 0.00 43 123 15246 -63.1 -81.1 7 18.0 -63.3 240 37 382.5 382.5 302.6 382.5 0.00 44 101 16440 -67.9 -83.9 8 16.0 -68.0 230 24 395.4 395.4 304.6 395.4 0.00 45 100 16500 -67.3 -84.3 7 17.0 -67.4 230 23 397.7 397.7 304.9 397.7 0.00 46 98 16623 -66.1 -83.1 8 17.0 -66.2 232 22 402.3 402.3 305.5 402.4 0.00 47 80 17842 -70.9 -85.9 9 15.0 -71.0 255 9 416.5 416.5 307.3 416.5 0.00 48 70 18640 -68.5 -84.5 8 16.0 -68.7 315 8 437.8 437.8 309.7 437.9 0.00 49 50 20680 -62.5 -83.5 4 21.0 -62.9 90 15 496.2 496.2 314.7 496.2 0.01 50 42 21756 -59.9 -83.9 3 24.0 -60.6 99 19 528.0 528.0 316.8 528.1 0.01 51 30 23860 -57.5 -85.5 2 28.0 -58.7 115 27 587.9 587.9 320.0 587.9 0.01 52 24 25266 -58.5 -87.5 1 29.0 -59.8 623.7 623.7 321.6 623.8 0.01 53 20 26427 -52.9 -84.9 1 32.0 -55.6 674.3 674.3 323.6 674.4 0.01 TRP 80 17842 -70.9 -85.9 9 15.0 -71.0 255 9 416.5 416.5 307.3 416.5 0.00 WND 234 11205 -49.8 -56.9 43 7.1 -50.1 260 105 338.3 338.3 294.0 338.6 0.07 Sounding variables and indices 1000-500 mb thick: 5590.00 m Freezing level: 648.59 mb = 3780.60 m = 12403.41 ft Wetbulb zero: 648.62 mb = 3776.72 m = 12390.68 ft Precipitable water: 0.87 inches Sfc-500 mean rel hum: 91.00 % Est. max temperature: 19.11 C = 66.39 F Sfc-Lift cond lev (LCL): 844.77 mb = 1618.25 m = 5309.15 ft T: 9.71 C 700-500 lapse rate: 6.38 C/km ThetaE index: 2.51 C Layer 853.0- 850.0 mb Conv cond level (CCL): 775.23 mb = 2326.65 m = 7633.28 ft Mean mixing ratio: 7.78 g/kg Conv temperature: 14.30 C = 57.73 F Cap Strength: 2.46 C Lifted Index: 1.69 C Risk: Showers probable Lifted Index @300 mb: 8.52 C Lifted Index @700 mb: 2.01 C Showalter Index: 3.86 C Risk: None Total Totals Index: 44.20 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 23.70 C Cross Totals Index: 20.50 C K Index: 30.50 Risk: 60-80 % chance of thunderstorms Sweat Index: 140.60 Risk: None Energy Index: 1.18 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 25.48 J/kg Max Up Vert Vel: 7.14 m/s Conv Inhibition (B-): 35671.31 J/kg Cap Strength: 2.47 C Lift Cond Lev (LCL): 793.83 mb = 2132.47 m = 6996.19 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 274 at 18 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 ---------------------------------------------------------- 0 855 1500 100 9 -8.9 1.6 | 96 27 -27.1 2.8 1 850 1567 100 12 -11.8 2.1 | 96 30 -30.1 3.3 2 793 2134 50 11 -8.4 -7.1 | 78 27 -26.7 -5.9 3 765 2438 60 9 -7.8 -4.5 | 83 26 -26.1 -3.3 4 700 3163 105 4 -3.9 1.0 | 96 22 -22.2 2.3 5 632 3962 265 9 9.0 0.8 | 102 10 -9.3 2.0 6 585 4572 250 19 17.9 6.5 | 177 8 -0.4 7.7 7 542 5182 240 28 24.2 14.0 | 201 16 6.0 15.2 8 500 5810 240 35 30.3 17.5 | 213 22 12.0 18.7 9 462 6401 235 37 30.3 21.2 | 208 25 12.0 22.4 10 426 7010 250 59 55.4 20.2 | 240 43 37.2 21.4 11 400 7480 250 63 59.2 21.5 | 241 47 40.9 22.8 12 360 8230 250 67 63.0 22.9 | 242 51 44.7 24.1 13 331 8839 255 83 80.2 21.5 | 250 66 61.9 22.7 14 300 9540 260 84 82.7 14.6 | 256 66 64.4 15.8 15 250 10770 255 95 91.8 24.6 | 251 78 73.5 25.8 16 234 11205 260 105 103.4 18.2 | 257 87 85.1 19.5 17 200 12220 250 89 83.6 30.4 | 244 73 65.3 31.7 18 150 14030 250 51 47.9 17.4 | 238 35 29.6 18.7 19 100 16500 230 23 17.6 14.8 | 178 16 -0.7 16.0 20 80 17842 255 9 8.7 2.3 | 110 10 -9.6 3.5 21 70 18640 315 8 5.7 -5.7 | 71 13 -12.6 -4.4 22 50 20680 90 15 -15.0 0.0 | 92 33 -33.3 1.2 23 30 23860 115 27 -24.5 11.4 | 106 45 -42.8 12.6 Wind Parameters Mean winds (0-6000m): 243.8 at 24.4 knts Storm direction: 273.8 at 18.3 knts Shear (0-3000m) pos: 3.5 neg: 1.2 tot: 4.7 10-3/s Storm rel Dir Shear (0-3000m): 72.8 deg Storm rel helicity (0-3000m) pos: 108.4 neg: -75.6 tot: 32.8 m^2/s^2 ave: 10.9 10^-3 m/s^2 rel: 0.24 Storm rel vorticity (0-3000m) horiz: 8.4 stream: 2.0 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.15 Bulk Shear: 166.64 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 83 12 90 30| 0.0 7.2 7.2| 0.0 -56.9 -56.9 -113.7 -0.72| 10.4 -7.5 1000 70 11 85 29| 1.4 3.6 5.0| 18.7 -68.1 -49.4 -49.4 -0.40| 7.8 -3.2 1500 71 9 86 27| 2.6 2.4 5.0| 46.8 -68.1 -21.3 -14.2 -0.09| 6.9 -0.7 2000 77 8 89 26| 3.7 1.8 5.5| 84.3 -68.1 16.2 8.1 0.16| 7.1 1.2 2500 71 8 87 26| 4.2 1.4 5.6| 94.8 -75.6 19.2 7.7 0.10| 8.3 0.8 3000 63 9 84 27| 3.5 1.2 4.7|108.4 -75.6 32.8 10.9 0.24| 8.4 2.0 4000 243 13 138 10| 2.6 2.4 5.0|132.5 -75.6 56.9 14.2 0.30| 8.2 2.5 5000 240 18 164 11| 2.1 2.8 4.9|162.6 -87.2 75.5 15.1 0.29| 7.7 2.3 6000 244 24 197 13| 3.9 2.4 6.2|314.7 -87.2 227.5 37.9 0.38| 8.6 3.3 Wrote GIF file: /home/apache/climate/data/raob//FAIR/skewt/FAIR.skewt.20251021.00.gif