UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025102712.upa.cvt Date: 1200Z 27 OCT 25 Searching for FAIR... Searching the city database file for: FAIR ... Date:1200Z 27 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 107 1 925 789 SFC 851 1500 25.8 7.8 32 18.0 14.5 40 12 313.1 314.6 293.7 337.4 7.82 3 850 1529 25.8 7.8 32 18.0 14.5 40 8 313.2 314.7 293.7 337.5 7.83 4 848 1550 25.8 7.8 32 18.0 14.5 39 8 313.4 314.9 293.8 337.8 7.85 5 847 1560 25.6 7.6 32 18.0 14.3 39 8 313.3 314.8 293.7 337.4 7.75 6 846 1570 23.8 6.8 34 17.0 13.4 38 8 311.5 312.9 292.9 334.2 7.34 7 842 1612 23.2 7.2 36 16.0 13.3 37 9 311.3 312.7 293.0 334.7 7.59 8 749 2616 13.8 7.8 67 6.0 10.1 358 14 311.7 313.4 294.1 339.1 8.90 9 730 2832 12.0 7.0 71 5.0 8.9 341 15 312.0 313.6 294.0 338.7 8.64 10 700 3183 9.8 3.8 66 6.0 6.3 315 16 313.3 314.7 293.3 335.8 7.20 11 687 3339 8.6 3.6 71 5.0 5.7 307 15 313.7 315.1 293.4 336.3 7.23 12 666 3596 8.6 -0.4 53 9.0 3.7 294 14 316.5 317.6 292.9 334.3 5.59 13 637 3963 6.2 -2.8 52 9.0 1.5 276 12 317.8 318.8 292.7 333.5 4.89 14 572 4834 -1.5 -6.4 69 4.9 -3.8 260 13 318.7 319.5 292.3 332.2 4.14 15 557 5045 -3.1 -14.1 42 11.0 -7.3 260 15 319.2 319.7 290.8 326.9 2.31 16 517 5630 -8.3 -12.5 72 4.2 -9.9 272 20 319.8 320.4 291.5 329.2 2.83 17 500 5890 -9.3 -11.7 83 2.4 -10.2 280 23 321.7 322.3 292.3 332.1 3.12 18 498 5921 -9.3 -11.5 84 2.2 -10.2 281 23 322.1 322.7 292.4 332.7 3.19 19 468 6399 -9.9 -11.9 85 2.0 -10.7 300 25 327.1 327.8 293.9 338.2 3.28 20 400 7590 -17.5 -18.7 90 1.2 -17.9 325 34 332.2 332.7 294.3 339.9 2.19 21 390 7779 -18.7 -19.4 94 0.7 -18.9 322 34 333.1 333.5 294.4 340.5 2.11 22 358 8411 -23.1 -28.1 64 5.0 -24.2 311 35 335.4 335.7 294.1 339.3 1.06 23 354 8494 -23.5 -31.5 48 8.0 -25.1 309 36 336.0 336.1 294.0 338.9 0.78 24 339 8808 -25.9 -49.9 9 24.0 -28.5 301 39 336.9 336.9 293.7 337.4 0.12 25 300 9680 -33.3 -55.3 9 22.0 -34.8 305 42 338.4 338.5 294.0 338.7 0.07 26 250 10940 -44.3 -60.3 15 16.0 -44.9 290 47 340.2 340.2 294.4 340.4 0.05 27 246 11048 -45.5 -60.5 17 15.0 -46.0 290 49 340.0 340.0 294.4 340.2 0.04 28 200 12400 -54.7 -67.7 19 13.0 -54.9 290 69 346.1 346.1 295.8 346.2 0.02 29 170 13418 -62.2 -72.4 24 10.2 -62.3 285 75 350.1 350.2 296.7 350.2 0.01 30 159 13827 -65.3 -74.3 28 9.0 -65.4 285 70 351.7 351.7 297.0 351.7 0.01 31 157 13904 -65.5 -73.5 32 8.0 -65.5 285 69 352.6 352.6 297.2 352.7 0.01 32 150 14180 -65.5 -75.5 24 10.0 -65.6 285 66 357.2 357.2 298.1 357.3 0.01 33 147 14303 -65.5 -75.5 24 10.0 -65.6 286 65 359.3 359.3 298.6 359.4 0.01 34 139 14641 -67.9 -78.9 19 11.0 -67.9 290 62 360.9 360.9 298.9 360.9 0.01 35 129 15092 -66.1 -79.1 15 13.0 -66.2 295 58 371.9 371.9 300.9 371.9 0.01 36 104 16372 -74.7 -84.7 20 10.0 -74.7 310 46 379.1 379.1 302.1 379.1 0.00 37 100 16600 -74.9 -84.9 20 10.0 -74.9 290 41 383.0 383.0 302.7 383.0 0.00 38 80 17902 -73.9 -83.9 20 10.0 -73.9 265 20 410.3 410.3 306.6 410.3 0.00 39 70 18690 -70.1 -83.1 13 13.0 -70.2 250 7 434.4 434.4 309.3 434.4 0.01 40 67 18953 -67.3 -81.3 12 14.0 -67.5 234 8 446.0 446.0 310.5 446.0 0.01 41 60 19618 -69.3 -84.3 10 15.0 -69.4 193 9 455.8 455.8 311.4 455.8 0.01 42 52 20488 -63.3 -82.3 6 19.0 -63.7 140 11 488.8 488.8 314.1 488.9 0.01 43 50 20730 -63.9 -83.9 5 20.0 -64.3 125 12 492.9 492.9 314.4 492.9 0.01 44 43 21650 -65.1 -86.1 4 21.0 -65.4 104 15 511.7 511.7 315.8 511.7 0.01 45 38 22412 -59.7 -84.7 2 25.0 -60.4 87 17 543.8 543.9 317.8 543.9 0.01 46 30 23900 -56.3 -88.3 1 32.0 -57.7 55 22 591.2 591.2 320.2 591.2 0.01 47 29 24115 -55.5 -87.5 1 32.0 -57.1 58 22 599.1 599.1 320.6 599.2 0.01 48 20 26480 -54.9 -86.9 1 32.0 -57.1 90 22 668.1 668.1 323.3 668.2 0.01 49 18 27154 -54.9 -86.9 1 32.0 -57.3 688.6 688.6 324.0 688.7 0.01 50 17 27523 -50.3 -84.3 1 34.0 -54.1 714.7 714.7 324.9 714.8 0.02 51 16 27917 -51.7 -84.7 1 33.0 -55.2 722.6 722.6 325.1 722.7 0.02 TRP 104 16372 -74.7 -84.7 20 10.0 -74.7 310 46 379.1 379.1 302.1 379.1 0.00 WND 170 13418 -62.2 -72.4 24 10.2 -62.3 285 75 350.1 350.2 296.7 350.2 0.01 Sounding variables and indices 1000-500 mb thick: 5783.00 m Freezing level: 584.66 mb = 4663.97 m = 15301.54 ft Wetbulb zero: 618.19 mb = 4205.18 m = 13796.36 ft Precipitable water: 0.99 inches Sfc-500 mean rel hum: 59.14 % Est. max temperature: 26.01 C = 78.82 F Sfc-Lift cond lev (LCL): 652.84 mb = 3760.06 m = 12336.02 ft T: 7.52 C 700-500 lapse rate: 7.06 C/km ThetaE index: 3.61 C Layer 847.0- 842.0 mb Conv cond level (CCL): 615.54 mb = 4239.86 m = 13910.12 ft Mean mixing ratio: 8.18 g/kg Conv temperature: 30.63 C = 87.13 F Cap Strength: 4.01 C Lifted Index: -1.18 C Risk: Thunderstorms probable Lifted Index @300 mb: 2.72 C Lifted Index @700 mb: 1.61 C Showalter Index: -1.47 C Risk: Thunderstorms probable Total Totals Index: 52.20 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 35.10 C Cross Totals Index: 17.10 C K Index: 36.90 Risk: > 80 % chance of thunderstorms Sweat Index: 196.60 Risk: None Energy Index: -1.07 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 39.19 J/kg Max Up Vert Vel: 8.85 m/s Conv Inhibition (B-): 163.12 J/kg Cap Strength: 3.93 C Lift Cond Lev (LCL): 672.91 mb = 3510.14 m = 11516.08 ft Lev Free Conv (LFC): 547.91 mb = 5174.35 m = 16976.01 ft Equ Level (EL): 477.91 mb = 6238.06 m = 20465.84 ft B at Equ Level: 35.45 J/kg Max Parcel Lev (MPL): 437.91 mb = 6903.38 m = 22648.62 ft Wind level data Storm motion: 334 at 13 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 40 12 -7.7 -9.2 | 102 14 -13.7 2.9 1 850 1529 40 8 -5.1 -6.1 | 118 13 -11.1 6.0 2 792 2134 15 13 -3.4 -12.6 | 87 9 -9.3 -0.5 3 764 2438 10 14 -2.4 -13.8 | 79 9 -8.4 -1.7 4 700 3183 315 16 11.3 -11.3 | 262 5 5.3 0.8 5 635 3962 275 12 12.0 -1.0 | 208 13 6.0 11.0 6 589 4572 260 11 10.8 1.9 | 199 15 4.9 14.0 7 546 5182 260 16 15.8 2.8 | 213 18 9.8 14.9 8 500 5890 280 23 22.7 -4.0 | 244 19 16.7 8.1 9 468 6401 300 25 21.7 -12.5 | 272 16 15.7 -0.4 10 432 7010 315 30 21.2 -21.2 | 301 18 15.2 -9.1 11 400 7590 325 34 19.5 -27.9 | 319 21 13.5 -15.8 12 366 8230 315 33 23.3 -23.3 | 303 21 17.4 -11.2 13 337 8839 300 40 34.6 -20.0 | 285 30 28.7 -7.9 14 300 9680 305 42 34.4 -24.1 | 293 31 28.4 -12.0 15 250 10940 290 47 44.2 -16.1 | 276 38 38.2 -4.0 16 200 12400 290 69 64.8 -23.6 | 281 60 58.9 -11.5 17 170 13418 285 75 72.4 -19.4 | 276 67 66.5 -7.3 18 150 14180 285 66 63.8 -17.1 | 275 58 57.8 -5.0 19 104 16372 310 46 35.2 -29.6 | 301 34 29.3 -17.5 20 100 16600 290 41 38.5 -14.0 | 273 33 32.6 -1.9 21 70 18690 250 7 6.6 2.4 | 182 14 0.6 14.5 22 50 20730 125 12 -9.8 6.9 | 140 25 -15.8 19.0 23 30 23900 55 22 -18.0 -12.6 | 89 24 -24.0 -0.5 24 20 26480 90 22 -22.0 0.0 | 113 30 -28.0 12.1 Wind Parameters Mean winds (0-6000m): 303.7 at 18.0 knts Storm direction: 333.7 at 13.5 knts Shear (0-3000m) pos: 0.0 neg: 3.7 tot: 3.7 10-3/s Storm rel Dir Shear (0-3000m): 98.2 deg Storm rel helicity (0-3000m) pos: 10.4 neg: -52.7 tot: -42.3 m^2/s^2 ave: -14.1 10^-3 m/s^2 rel: -0.59 Storm rel vorticity (0-3000m) horiz: 6.7 stream: -4.0 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.76 Bulk Shear: 51.64 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 29 10 107 11| 0.0 4.2 4.2| 10.4 -11.6 -1.2 -2.4 -0.11| 8.1 -0.9 1000 19 12 96 10| 0.0 4.1 4.1| 10.4 -19.6 -9.1 -9.1 -0.34| 6.3 -2.1 1500 6 13 86 7| 0.0 5.6 5.6| 10.4 -25.4 -15.0 -10.0 -0.50| 7.6 -3.8 2000 351 13 73 4| 0.0 5.3 5.3| 10.4 -33.8 -23.3 -11.7 -0.55| 7.8 -4.3 2500 338 13 73 1| 0.0 4.4 4.4| 10.4 -46.1 -35.7 -14.3 -0.58| 7.5 -4.4 3000 327 13 225 2| 0.0 3.7 3.7| 10.4 -52.7 -42.3 -14.1 -0.59| 6.7 -4.0 4000 305 13 229 7| 0.7 3.2 3.9| 46.5 -52.9 -6.4 -1.6 -0.31| 6.2 -2.0 5000 298 15 238 9| 1.9 2.6 4.4|115.6 -52.9 62.7 12.5 -0.00| 6.6 -0.0 6000 304 18 257 9| 2.6 2.1 4.7|173.4 -52.9 120.5 20.1 0.16| 6.6 1.0 Wrote GIF file: /home/apache/climate/data/raob//FAIR/skewt/FAIR.skewt.20251027.12.gif