UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101700.upa.cvt Date: 0000Z 17 OCT 25 Searching for FAIR... Searching the city database file for: FAIR ... Date:0000Z 17 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 174 1 925 830 SFC 852 1500 14.4 14.4 100 0.0 14.4 120 8 301.0 303.3 293.6 336.9 12.20 3 850 1542 14.2 11.6 84 2.6 12.6 120 13 301.0 302.9 292.0 330.9 10.15 4 787 2193 14.8 6.8 59 8.0 10.0 40 22 308.4 309.9 292.4 332.5 7.90 5 740 2712 13.2 -10.8 18 24.0 2.7 10 13 312.1 312.5 288.6 319.5 2.26 6 716 2989 12.2 -12.8 16 25.0 1.7 320 15 314.0 314.3 288.9 320.5 1.99 7 700 3178 10.8 -13.2 17 24.0 0.8 285 16 314.4 314.8 289.0 320.9 1.97 8 617 4209 2.0 -26.0 10 28.0 -6.2 274 19 315.9 316.0 288.2 318.5 0.74 9 587 4609 0.0 -39.0 3 39.0 -8.5 265 25 318.1 318.1 288.4 318.9 0.22 10 500 5870 -8.5 -36.5 8 28.0 -14.3 235 31 322.7 322.7 289.9 323.9 0.34 11 400 7560 -20.7 -45.7 9 25.0 -23.9 235 41 328.1 328.1 291.3 328.7 0.16 12 388 7785 -22.1 -49.1 7 27.0 -25.2 235 42 329.1 329.1 291.6 329.6 0.11 13 387 7804 -22.3 -48.3 8 26.0 -25.3 235 42 329.1 329.1 291.6 329.6 0.12 14 333 8890 -31.9 -40.9 41 9.0 -32.9 235 43 330.4 330.5 292.2 331.6 0.32 15 300 9620 -37.9 -46.9 38 9.0 -38.6 230 43 332.0 332.0 292.4 332.7 0.19 16 270 10337 -44.3 -52.3 41 8.0 -44.7 233 51 332.8 332.8 292.6 333.2 0.11 17 265 10462 -45.1 -52.1 45 7.0 -45.4 233 52 333.4 333.4 292.7 333.9 0.12 18 252 10797 -46.9 -59.9 21 13.0 -47.3 235 55 335.6 335.6 293.3 335.8 0.05 19 250 10850 -47.3 -60.3 21 13.0 -47.7 235 56 335.7 335.8 293.3 335.9 0.05 20 241 11091 -49.1 -60.1 27 11.0 -49.4 235 61 336.6 336.6 293.5 336.8 0.05 21 223 11597 -51.9 -61.9 29 10.0 -52.1 235 71 339.8 339.8 294.3 340.0 0.04 22 204 12173 -52.9 -67.9 15 15.0 -53.2 235 82 347.0 347.0 296.0 347.1 0.02 23 200 12300 -53.7 -68.7 14 15.0 -54.0 235 85 347.7 347.7 296.1 347.8 0.02 24 196 12429 -54.3 -70.3 12 16.0 -54.6 235 86 348.8 348.8 296.4 348.9 0.01 25 188 12695 -55.8 -71.5 12 15.6 -56.1 235 88 350.5 350.5 296.7 350.5 0.01 26 174 13184 -58.7 -73.7 13 15.0 -58.9 245 75 353.6 353.6 297.4 353.7 0.01 27 150 14110 -60.7 -77.7 9 17.0 -60.9 265 49 365.5 365.5 299.8 365.5 0.01 28 137 14671 -63.1 -80.1 8 17.0 -63.3 265 47 370.9 370.9 300.7 370.9 0.00 29 126 15180 -67.7 -83.7 8 16.0 -67.8 265 46 371.5 371.5 300.8 371.5 0.00 30 115 15727 -69.1 -84.1 10 15.0 -69.2 265 44 378.8 378.8 302.1 378.8 0.00 31 100 16550 -75.1 -84.1 23 9.0 -75.2 265 41 382.6 382.6 302.6 382.6 0.00 32 98 16667 -75.7 -83.7 27 8.0 -75.7 255 42 383.7 383.7 302.8 383.7 0.00 33 92 17035 -73.3 -82.3 24 9.0 -73.3 270 38 395.4 395.4 304.6 395.4 0.00 34 85 17495 -76.3 -85.3 23 9.0 -76.3 289 34 398.4 398.4 305.0 398.4 0.00 35 81 17777 -70.7 -81.7 18 11.0 -70.8 300 31 415.4 415.4 307.2 415.5 0.01 36 70 18640 -71.7 -85.7 11 14.0 -71.8 335 22 431.0 431.0 308.9 431.0 0.00 37 69 18725 -72.1 -86.1 10 14.0 -72.2 341 22 431.9 431.9 309.0 431.9 0.00 38 62 19363 -67.1 -84.1 7 17.0 -67.3 25 19 456.4 456.4 311.4 456.4 0.01 39 54 20191 -69.9 -87.9 6 18.0 -70.1 83 17 468.3 468.3 312.5 468.4 0.00 40 52 20420 -63.7 -84.7 4 21.0 -64.0 99 16 487.9 487.9 314.1 487.9 0.01 41 50 20660 -64.1 -85.1 4 21.0 -64.4 115 15 492.4 492.4 314.4 492.5 0.01 42 44 21445 -63.9 -86.9 3 23.0 -64.3 107 15 511.3 511.3 315.7 511.3 0.00 43 37 22525 -57.7 -86.7 1 29.0 -58.7 97 14 553.1 553.1 318.3 553.2 0.01 44 30 23850 -58.1 -89.1 1 31.0 -59.2 85 14 586.2 586.3 320.0 586.3 0.00 45 20 26430 -51.9 -84.9 1 33.0 -54.8 75 26 677.3 677.3 323.7 677.4 0.01 46 18 27113 -51.7 -84.7 1 33.0 -54.9 698.7 698.7 324.4 698.8 0.02 TRP 98 16667 -75.7 -83.7 27 8.0 -75.7 255 42 383.7 383.7 302.8 383.7 0.00 WND 188 12695 -55.8 -71.5 12 15.6 -56.1 235 88 350.5 350.5 296.7 350.5 0.01 Sounding variables and indices 1000-500 mb thick: 5696.00 m Freezing level: 587.00 mb = 4608.77 m = 15120.45 ft Wetbulb zero: 690.17 mb = 3293.62 m = 10805.69 ft Precipitable water: 0.45 inches Sfc-500 mean rel hum: 22.60 % Est. max temperature: 27.16 C = 80.88 F Sfc-Lift cond lev (LCL): 852.13 mb = 1498.79 m = 4917.23 ft T: -9999.00 C 700-500 lapse rate: 7.17 C/km ThetaE index: 13.03 C Layer 740.0- 716.0 mb Conv cond level (CCL): 629.56 mb = 4044.58 m = 13269.46 ft Mean mixing ratio: 7.80 g/kg Conv temperature: 28.40 C = 83.12 F Cap Strength: 6.85 C Lifted Index: 2.67 C Risk: None Lifted Index @300 mb: 2.33 C Lifted Index @700 mb: 6.44 C Showalter Index: 2.32 C Risk: Showers probable Total Totals Index: 42.80 C Risk: None Vertical Totals Index: 22.70 C Cross Totals Index: 20.10 C K Index: 10.30 Risk: None Sweat Index: 196.20 Risk: None Energy Index: -1.24 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 45.37 J/kg Max Up Vert Vel: 9.53 m/s Conv Inhibition (B-): 31273.69 J/kg Cap Strength: 6.85 C Lift Cond Lev (LCL): 714.41 mb = 3007.67 m = 9867.58 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 286 at 19 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 ---------------------------------------------------------- 0 852 1500 120 8 -6.9 4.0 | 110 27 -25.5 9.5 1 850 1542 120 13 -11.3 6.5 | 112 32 -29.8 12.0 2 792 2134 35 24 -13.8 -19.7 | 66 35 -32.3 -14.2 3 764 2438 60 11 -9.5 -5.5 | 90 28 -28.1 -0.0 4 700 3178 285 16 15.5 -4.1 | 113 3 -3.1 1.3 5 635 3962 280 16 15.8 -2.8 | 134 4 -2.8 2.7 6 588 4572 265 25 24.9 2.2 | 220 10 6.3 7.7 7 545 5182 275 30 29.9 -2.6 | 256 12 11.3 2.9 8 500 5870 235 31 25.4 17.8 | 196 24 6.8 23.3 9 466 6401 240 36 31.2 18.0 | 208 27 12.6 23.5 10 430 7010 240 44 38.1 22.0 | 215 34 19.5 27.5 11 400 7560 235 41 33.6 23.5 | 207 33 15.0 29.0 12 364 8230 235 45 36.9 25.8 | 210 36 18.3 31.3 13 335 8839 235 43 35.2 24.7 | 209 34 16.7 30.1 14 300 9620 230 43 32.9 27.6 | 203 36 14.4 33.1 15 250 10850 235 56 45.9 32.1 | 216 46 27.3 37.6 16 200 12300 235 85 69.6 48.8 | 223 74 51.1 54.2 17 188 12695 235 88 72.1 50.5 | 224 77 53.5 56.0 18 150 14110 265 49 48.8 4.3 | 252 32 30.2 9.8 19 100 16550 265 41 40.8 3.6 | 248 24 22.3 9.1 20 98 16667 255 42 40.6 10.9 | 233 27 22.0 16.4 21 70 18640 335 22 9.3 -19.9 | 33 17 -9.3 -14.5 22 50 20660 115 15 -13.6 6.3 | 110 34 -32.2 11.8 23 30 23850 85 14 -13.9 -1.2 | 97 33 -32.5 4.3 24 20 26430 75 26 -25.1 -6.7 | 88 44 -43.7 -1.2 Wind Parameters Mean winds (0-6000m): 256.5 at 25.8 knts Storm direction: 286.5 at 19.4 knts Shear (0-3000m) pos: 0.0 neg: 5.3 tot: 5.3 10-3/s Storm rel Dir Shear (0-3000m): 107.6 deg Storm rel helicity (0-3000m) pos: 98.3 neg: -307.6 tot: -209.3 m^2/s^2 ave: -69.8 10^-3 m/s^2 rel: -0.17 Storm rel vorticity (0-3000m) horiz: 14.8 stream: -2.5 10^-3/s Energy-Hel index: 0.03 Bulk Rich Number: 0.19 Bulk Shear: 242.09 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 79 17 94 35| 0.0 20.2 20.2| 0.0-185.2-185.2 -370.4 -0.77| 26.3-20.2 1000 56 18 82 33| 0.0 6.0 6.0| 83.6-246.5-162.9 -162.9 -0.36| 23.5 -8.4 1500 42 16 78 30| 0.0 7.7 7.7| 83.6-307.6-224.0 -149.3 -0.40| 22.9 -9.2 2000 17 16 67 25| 0.0 6.1 6.1| 90.2-307.6-217.4 -108.7 -0.28| 19.6 -5.5 2500 342 16 55 17| 0.0 5.0 5.0| 91.4-307.6-216.2 -86.5 -0.26| 16.0 -4.1 3000 314 17 47 9| 0.0 5.3 5.3| 98.3-307.6-209.3 -69.8 -0.17| 14.8 -2.5 4000 287 20 324 0| 0.7 4.2 4.8|116.1-336.6-220.5 -55.1 -0.15| 13.3 -2.0 5000 267 22 210 8| 1.1 3.4 4.5|154.4-382.2-227.8 -45.6 -0.15| 12.5 -1.9 6000 256 26 210 13| 0.9 3.2 4.1|178.8-418.2-239.4 -39.9 -0.15| 11.3 -1.7 Wrote GIF file: /home/apache/climate/data/raob//FAIR/skewt/FAIR.skewt.20251017.00.gif