UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025050211.upa.cvt Date: 1100Z 2 MAY 25 Searching for FAIR... Searching the city database file for: FAIR ... Date:1100Z 2 MAY 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 141 1 925 805 SFC 850 1500 17.4 9.4 59 8.0 12.4 250 3 304.4 306.0 291.9 330.6 8.74 3 847 1531 19.4 7.4 46 12.0 12.1 250 3 306.8 308.2 291.7 330.0 7.64 4 846 1541 16.6 4.6 45 12.0 9.8 250 3 303.9 305.1 289.6 322.9 6.29 5 841 1592 17.0 6.0 48 11.0 10.6 251 3 304.9 306.2 290.6 326.0 6.99 6 837 1633 15.2 4.2 48 11.0 9.0 251 3 303.4 304.5 289.4 322.0 6.18 7 774 2299 8.8 2.8 66 6.0 5.5 255 9 303.4 304.5 289.2 321.6 6.06 8 772 2320 8.6 1.6 61 7.0 4.9 255 9 303.4 304.4 288.8 320.2 5.57 9 734 2743 6.6 -11.4 26 18.0 -0.6 257 13 305.6 306.0 286.2 312.5 2.18 10 717 2937 5.0 -1.0 65 6.0 2.0 259 14 305.9 306.8 289.1 321.1 4.96 11 708 3042 5.2 -20.8 13 26.0 -3.3 259 15 307.2 307.4 285.5 310.6 1.03 12 700 3136 5.6 260 15 308.7 13 694 3206 5.6 258 16 309.4 14 649 3752 3.4 -30.6 6 34.0 -5.6 245 21 312.9 313.0 286.9 314.6 0.46 15 589 4531 -1.3 -29.3 10 28.0 -8.7 240 25 316.3 316.4 288.2 318.3 0.57 16 500 5810 -11.9 -47.9 3 36.0 -17.0 240 25 318.5 318.5 288.4 318.9 0.10 17 447 6654 -18.5 -47.5 6 29.0 -22.1 255 23 320.6 320.6 289.0 321.0 0.12 18 400 7470 -24.9 -38.9 26 14.0 -26.8 265 27 322.6 322.7 289.9 323.8 0.33 19 374 7954 -29.5 -40.5 34 11.0 -30.7 271 31 322.8 322.9 289.9 323.9 0.30 20 300 9490 -41.3 -55.3 21 14.0 -41.9 295 56 327.2 327.2 291.0 327.4 0.07 21 275 10077 -46.1 -61.1 17 15.0 -46.6 312 70 328.5 328.5 291.3 328.6 0.04 22 257 10527 -48.1 -63.1 16 15.0 -48.5 325 81 331.9 331.9 292.3 332.1 0.03 23 253 10631 -47.3 -62.3 16 15.0 -47.7 328 83 334.6 334.6 293.0 334.7 0.03 24 250 10710 -48.1 -63.1 16 15.0 -48.5 330 85 334.6 334.6 293.0 334.7 0.03 25 223 11453 -52.9 -70.9 10 18.0 -53.2 320 84 338.3 338.3 293.9 338.3 0.01 26 209 11869 -54.3 -75.3 6 21.0 -54.6 314 83 342.4 342.4 294.9 342.5 0.01 27 200 12150 -55.9 -75.9 6 20.0 -56.1 310 83 344.2 344.2 295.3 344.3 0.01 28 178 12885 -59.5 -77.5 8 18.0 -59.7 306 86 350.0 350.0 296.6 350.0 0.01 29 156 13707 -60.7 -82.7 4 22.0 -60.9 301 89 361.4 361.4 299.0 361.4 0.00 30 150 13950 -61.9 -83.9 4 22.0 -62.0 300 90 363.4 363.4 299.4 363.5 0.00 31 148 14033 -62.4 -84.1 4 21.7 -62.5 300 91 364.0 364.0 299.5 364.0 0.00 32 137 14508 -65.1 -85.1 5 20.0 -65.2 299 84 367.3 367.3 300.1 367.3 0.00 33 117 15467 -67.7 -86.7 5 19.0 -67.8 297 69 379.5 379.5 302.2 379.5 0.00 34 111 15786 -65.3 -87.3 3 22.0 -65.4 296 65 389.8 389.8 303.8 389.8 0.00 35 107 16010 -65.3 -87.3 3 22.0 -65.4 296 61 393.9 393.9 304.3 393.9 0.00 36 100 16420 -68.5 -88.5 4 20.0 -68.6 295 55 395.4 395.4 304.6 395.4 0.00 37 99 16480 -68.9 -87.9 5 19.0 -69.0 290 55 395.7 395.7 304.6 395.7 0.00 38 81 17681 -68.9 -89.9 3 21.0 -69.0 281 36 419.1 419.1 307.6 419.1 0.00 39 76 18067 -63.3 -91.3 1 28.0 -63.6 279 30 438.5 438.5 309.7 438.5 0.00 40 72 18398 -65.3 -92.3 1 27.0 -65.5 276 25 441.1 441.1 310.0 441.1 0.00 41 70 18570 -64.3 -93.3 1 29.0 -64.6 275 22 446.8 446.8 310.6 446.8 0.00 42 68 18747 -62.7 -92.7 1 30.0 -63.0 275 23 454.0 454.0 311.3 454.0 0.00 43 58 19719 -65.5 -94.5 1 29.0 -65.8 278 25 468.8 468.8 312.5 468.8 0.00 44 50 20630 -60.7 -91.7 1 31.0 -61.2 280 28 500.4 500.4 315.0 500.4 0.00 45 45 21289 -57.9 -89.9 1 32.0 -58.7 297 24 522.5 522.5 316.5 522.6 0.00 46 30 23850 -56.5 -88.5 1 32.0 -57.9 360 11 590.6 590.6 320.2 590.6 0.01 47 26 24762 -55.3 -87.3 1 32.0 -57.1 55 11 618.7 618.7 321.5 618.7 0.01 48 20 26470 -46.9 -81.9 1 35.0 -51.4 155 11 692.6 692.6 324.2 692.8 0.02 49 16 27955 -45.1 -80.1 1 35.0 -51.0 744.1 744.2 325.8 744.5 0.04 TRP 99 16480 -68.9 -87.9 5 19.0 -69.0 290 55 395.7 395.7 304.6 395.7 0.00 WND 148 14033 -62.4 -84.1 4 21.7 -62.5 300 91 364.0 364.0 299.5 364.0 0.00 Sounding variables and indices 1000-500 mb thick: 5669.00 m Freezing level: 605.60 mb = 4315.29 m = 14157.60 ft Wetbulb zero: 738.31 mb = 2693.59 m = 8837.12 ft Precipitable water: 0.35 inches Sfc-500 mean rel hum: 24.75 % Est. max temperature: 21.52 C = 70.73 F Sfc-Lift cond lev (LCL): 754.28 mb = 2514.64 m = 8250.02 ft T: 7.68 C 700-500 lapse rate: 6.54 C/km ThetaE index: 13.46 C Layer 837.0- 717.0 mb Conv cond level (CCL): 586.57 mb = 4563.15 m = 14970.79 ft Mean mixing ratio: 5.83 g/kg Conv temperature: 28.83 C = 83.90 F Cap Strength: 5.90 C Lifted Index: 3.78 C Risk: None Lifted Index @300 mb: 4.68 C Lifted Index @700 mb: 4.50 C Showalter Index: -0.96 C Risk: Thunderstorms probable Total Totals Index: 50.60 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 29.30 C Cross Totals Index: 21.30 C K Index: 11.02 Risk: None Sweat Index: 175.80 Risk: None Energy Index: -2.16 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 6.76 J/kg Max Up Vert Vel: 3.68 m/s Conv Inhibition (B-): 44501.63 J/kg Cap Strength: 5.90 C Lift Cond Lev (LCL): 697.39 mb = 3166.54 m = 10388.80 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 279 at 14 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 ---------------------------------------------------------- 0 850 1500 250 3 2.8 1.0 | 106 12 -11.4 3.4 1 850 1524 250 3 2.8 1.0 | 106 12 -11.4 3.4 2 790 2134 255 5 4.8 1.3 | 111 10 -9.4 3.6 3 761 2438 255 12 11.6 3.1 | 154 6 -2.6 5.4 4 700 3136 260 15 14.8 2.6 | 186 5 0.5 4.9 5 631 3962 240 23 19.9 11.5 | 202 15 5.7 13.8 6 584 4572 240 25 21.7 12.5 | 207 17 7.4 14.8 7 541 5182 245 21 19.0 8.9 | 203 12 4.8 11.2 8 500 5810 240 25 21.7 12.5 | 207 17 7.4 14.8 9 462 6401 245 22 19.9 9.3 | 206 13 5.7 11.6 10 425 7010 270 24 24.0 -0.0 | 257 10 9.8 2.3 11 400 7470 265 27 26.9 2.4 | 250 14 12.7 4.7 12 359 8230 275 33 32.9 -2.9 | 272 19 18.6 -0.5 13 329 8839 290 50 47.0 -17.1 | 294 36 32.7 -14.8 14 300 9490 295 56 50.8 -23.7 | 300 42 36.5 -21.3 15 250 10710 330 85 42.5 -73.6 | 338 77 28.3 -71.3 16 200 12150 310 83 63.6 -53.4 | 316 71 49.3 -51.0 17 150 13950 300 90 77.9 -45.0 | 304 77 63.7 -42.7 18 148 14033 300 91 78.8 -45.5 | 304 78 64.6 -43.2 19 100 16420 295 55 49.8 -23.2 | 300 41 35.6 -20.9 20 99 16480 290 55 51.7 -18.8 | 294 41 37.4 -16.5 21 70 18570 275 22 21.9 -1.9 | 267 8 7.7 0.4 22 50 20630 280 28 27.6 -4.9 | 281 14 13.3 -2.5 23 30 23850 360 11 -0.0 -11.0 | 59 17 -14.2 -8.7 24 20 26470 155 11 -4.6 10.0 | 123 23 -18.9 12.3 Wind Parameters Mean winds (0-6000m): 249.3 at 19.2 knts Storm direction: 279.3 at 14.4 knts Shear (0-3000m) pos: 2.0 neg: 2.1 tot: 4.0 10-3/s Storm rel Dir Shear (0-3000m): 99.7 deg Storm rel helicity (0-3000m) pos: 25.5 neg: -0.4 tot: 25.1 m^2/s^2 ave: 8.4 10^-3 m/s^2 rel: 0.51 Storm rel vorticity (0-3000m) horiz: 4.2 stream: 2.1 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.21 Bulk Shear: 31.62 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 ------------------------------------------------------------------------------- 500 252 4 108 11| 1.6 0.0 1.6| 2.1 0.0 2.1 4.3 0.45| 1.6 0.7 1000 254 6 115 9| 4.8 0.0 4.8| 14.0 0.0 14.0 14.0 0.72| 4.8 3.5 1500 256 8 126 7| 3.9 0.0 3.9| 17.1 0.0 17.1 11.4 0.76| 4.0 3.0 2000 256 10 140 6| 2.9 1.2 4.2| 20.9 0.0 20.9 10.4 0.68| 4.3 2.9 2500 252 13 160 7| 2.4 2.2 4.5| 21.6 -0.4 21.1 8.4 0.50| 4.7 2.3 3000 248 15 175 8| 2.0 2.1 4.0| 25.5 -0.4 25.1 8.4 0.51| 4.2 2.1 4000 246 17 187 9| 1.3 1.7 2.9| 27.7 -3.3 24.5 6.1 0.40| 3.9 1.6 5000 245 18 193 10| 1.1 1.4 2.5| 33.8 -3.7 30.1 6.0 0.36| 3.9 1.4 6000 249 19 202 10| 1.5 1.5 3.0| 57.2 -6.8 50.3 8.4 0.42| 4.3 1.8 Wrote GIF file: /home/apache/climate/data/raob//FAIR/skewt/FAIR.skewt.20250502.11.gif