UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120712.upa.cvt Date: 1200Z 7 DEC 25 Searching for FAIR... Searching the city database file for: FAIR ... Date:1200Z 7 DEC 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 110 1 925 793 SFC 851 1500 26.0 14.0 48 12.0 17.8 330 8 313.3 315.5 296.6 350.0 11.89 3 850 1533 25.6 13.6 47 12.0 17.4 330 5 313.0 315.2 296.4 348.8 11.60 4 845 1584 24.4 13.4 50 11.0 17.0 328 5 312.2 314.4 296.1 347.7 11.51 5 844 1595 23.8 12.8 50 11.0 16.4 328 5 311.7 313.8 295.7 345.7 11.07 6 843 1605 26.4 13.4 45 13.0 17.5 328 5 314.5 316.8 296.7 350.4 11.54 7 700 3185 9.2 4.2 71 5.0 6.3 285 8 312.7 314.1 293.2 335.7 7.41 8 675 3485 6.8 1.9 71 4.9 4.1 313 6 313.3 314.5 292.7 333.6 6.52 9 629 4061 3.4 -8.6 41 12.0 -2.0 347 4 315.8 316.4 290.6 326.1 3.17 10 590 4576 -0.5 -8.5 55 8.0 -4.0 263 10 317.1 317.7 291.2 328.1 3.41 11 558 5020 -2.9 -18.9 28 16.0 -8.4 274 13 319.3 319.6 290.2 324.5 1.54 12 519 5589 -7.5 -13.5 62 6.0 -9.8 283 13 320.5 321.0 291.5 329.1 2.60 13 512 5695 -6.9 -12.9 62 6.0 -9.2 284 13 322.4 323.0 292.2 331.7 2.77 14 507 5772 -6.5 -27.5 17 21.0 -12.2 284 13 323.8 324.0 290.7 326.6 0.79 15 502 5849 -7.3 -17.3 45 10.0 -10.8 285 13 323.8 324.2 291.9 330.5 1.96 16 500 5880 -7.5 -17.5 45 10.0 -11.0 285 13 323.9 324.3 291.9 330.5 1.93 17 466 6424 -10.9 -14.7 74 3.8 -12.3 281 13 326.3 326.8 293.1 335.2 2.62 18 400 7580 -18.5 -20.3 86 1.8 -19.0 300 16 330.9 331.3 293.7 337.6 1.90 19 384 7884 -20.7 -22.1 88 1.4 -21.1 293 18 331.9 332.3 293.8 337.9 1.70 20 357 8422 -23.9 -27.4 73 3.5 -24.7 284 21 334.6 334.9 294.0 338.8 1.13 21 302 9623 -33.7 -36.2 78 2.5 -34.0 271 28 337.2 337.4 294.1 339.4 0.57 22 300 9670 -34.1 -37.3 73 3.2 -34.5 270 29 337.3 337.4 294.1 339.3 0.52 23 297 9740 -34.3 -41.3 49 7.0 -35.1 269 30 338.0 338.1 294.1 339.3 0.35 24 290 9907 -35.9 -43.9 44 8.0 -36.7 267 32 338.0 338.1 294.1 339.1 0.27 25 250 10920 -44.9 -50.9 51 6.0 -45.2 255 44 339.3 339.3 294.3 339.9 0.14 26 244 11081 -46.5 -53.5 45 7.0 -46.8 255 47 339.3 339.3 294.3 339.7 0.11 27 237 11272 -48.1 -51.6 67 3.5 -48.3 255 50 339.7 339.7 294.4 340.3 0.14 28 220 11754 -52.7 -57.7 55 5.0 -52.8 255 57 339.9 339.9 294.4 340.2 0.07 29 214 11931 -53.9 -61.9 37 8.0 -54.1 255 60 340.8 340.8 294.6 340.9 0.04 30 200 12360 -56.9 -63.9 41 7.0 -57.1 255 67 342.7 342.7 295.0 342.8 0.04 31 187 12785 -59.6 -66.3 41 6.7 -59.7 255 77 344.9 344.9 295.5 345.1 0.03 32 156 13902 -66.9 -72.9 42 6.0 -67.0 255 56 350.9 350.9 296.8 350.9 0.01 33 153 14020 -66.9 -71.9 49 5.0 -67.0 255 54 352.8 352.8 297.3 352.9 0.02 34 150 14140 -67.1 -73.1 42 6.0 -67.1 255 52 354.5 354.5 297.6 354.6 0.01 35 141 14512 -68.7 -75.7 36 7.0 -68.8 254 47 358.0 358.0 298.3 358.1 0.01 36 129 15046 -67.9 -78.9 19 11.0 -67.9 253 41 368.7 368.7 300.4 368.7 0.01 37 123 15331 -69.9 -80.9 19 11.0 -69.9 253 37 370.1 370.1 300.6 370.1 0.00 38 118 15578 -69.5 -82.5 13 13.0 -69.6 252 34 375.3 375.3 301.5 375.3 0.00 39 117 15629 -68.9 -81.9 14 13.0 -68.9 252 34 377.3 377.3 301.8 377.3 0.00 40 111 15942 -71.5 -83.5 15 12.0 -71.6 251 30 378.1 378.1 301.9 378.1 0.00 41 106 16215 -70.1 -83.1 13 13.0 -70.2 251 26 385.8 385.8 303.2 385.8 0.00 42 101 16501 -71.7 -84.7 13 13.0 -71.8 250 23 388.1 388.1 303.5 388.1 0.00 43 100 16560 -70.3 -83.3 13 13.0 -70.4 250 22 391.9 391.9 304.0 391.9 0.00 44 80 17863 -76.5 -86.5 19 10.0 -76.5 200 13 405.0 405.0 305.9 405.0 0.00 45 72 18475 -72.5 -83.5 17 11.0 -72.6 121 7 425.8 425.8 308.4 425.9 0.01 46 70 18640 -73.3 -85.3 14 12.0 -73.3 100 5 427.6 427.6 308.6 427.6 0.00 47 60 19542 -73.5 -85.5 14 12.0 -73.6 100 13 446.4 446.4 310.5 446.4 0.00 48 54 20167 -68.1 -84.1 8 16.0 -68.3 100 18 472.5 472.5 312.8 472.5 0.01 49 50 20630 -67.7 -84.7 7 17.0 -67.9 100 22 484.0 484.0 313.8 484.0 0.01 50 44 21402 -66.3 -85.3 5 19.0 -66.6 80 20 505.4 505.4 315.3 505.4 0.01 51 38 22307 -58.7 -84.7 2 26.0 -59.6 57 18 546.4 546.4 317.9 546.4 0.01 52 30 23790 -59.5 -87.5 1 28.0 -60.4 20 15 582.4 582.4 319.8 582.5 0.01 53 26 24688 -60.7 -87.7 2 27.0 -61.7 46 20 603.4 603.4 320.7 603.4 0.01 54 23 25467 -53.9 -86.9 1 33.0 -56.1 69 24 644.9 644.9 322.5 645.0 0.01 55 20 26370 -53.1 -86.1 1 33.0 -55.8 95 29 673.6 673.6 323.6 673.7 0.01 56 18 27052 -51.3 -84.3 1 33.0 -54.6 699.9 699.9 324.4 700.1 0.02 TRP 80 17863 -76.5 -86.5 19 10.0 -76.5 200 13 405.0 405.0 305.9 405.0 0.00 WND 187 12785 -59.6 -66.3 41 6.7 -59.7 255 77 344.9 344.9 295.5 345.1 0.03 Sounding variables and indices 1000-500 mb thick: 5770.00 m Freezing level: 595.00 mb = 4509.96 m = 14796.29 ft Wetbulb zero: 644.03 mb = 3867.97 m = 12690.05 ft Precipitable water: 1.00 inches Sfc-500 mean rel hum: 52.78 % Est. max temperature: 25.44 C = 77.79 F Sfc-Lift cond lev (LCL): 713.78 mb = 3019.26 m = 9905.60 ft T: 11.00 C 700-500 lapse rate: 6.20 C/km ThetaE index: 24.34 C Layer 700.0- 590.0 mb Conv cond level (CCL): 695.70 mb = 3235.76 m = 10615.89 ft Mean mixing ratio: 10.27 g/kg Conv temperature: 25.51 C = 77.92 F Cap Strength: -0.81 C Lifted Index: -3.01 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -3.42 C Lifted Index @700 mb: -1.13 C Showalter Index: -4.12 C Risk: Severe thunderstorms possible Total Totals Index: 54.20 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 33.10 C Cross Totals Index: 21.10 C K Index: 41.70 Risk: > 80 % chance of thunderstorms Sweat Index: 290.20 Risk: None Energy Index: -3.60 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 1133.18 J/kg Max Up Vert Vel: 47.61 m/s Conv Inhibition (B-): 0.00 J/kg Cap Strength: 0.59 C Lift Cond Lev (LCL): 684.93 mb = 3364.48 m = 11038.18 ft Lev Free Conv (LFC): 679.93 mb = 3424.88 m = 11236.35 ft Equ Level (EL): 179.93 mb = 13022.39 m = 42723.84 ft B at Equ Level: 1127.00 J/kg Max Parcel Lev (MPL): 109.93 mb = 15999.32 m = 52490.56 ft Wind level data Storm motion: 321 at 8 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 330 8 4.0 -6.9 | 51 1 -1.0 -0.8 1 850 1533 330 5 2.5 -4.3 | 125 3 -2.5 1.8 2 792 2134 310 8 6.1 -5.1 | 229 1 1.1 1.0 3 764 2438 305 10 8.2 -5.7 | 263 3 3.2 0.4 4 700 3185 285 8 7.7 -2.1 | 214 5 2.7 4.0 5 635 3962 360 3 -0.0 -3.0 | 122 6 -5.0 3.1 6 589 4572 260 10 9.8 1.7 | 212 9 4.8 7.8 7 546 5182 280 14 13.8 -2.4 | 247 10 8.8 3.7 8 500 5880 285 13 12.6 -3.4 | 250 8 7.5 2.7 9 467 6401 280 13 12.8 -2.3 | 244 9 7.8 3.8 10 431 7010 300 17 14.7 -8.5 | 284 10 9.7 -2.4 11 400 7580 300 16 13.9 -8.0 | 282 9 8.8 -1.9 12 366 8230 285 21 20.3 -5.4 | 267 15 15.3 0.7 13 336 8839 280 20 19.7 -3.5 | 260 15 14.7 2.6 14 300 9670 270 29 29.0 -0.0 | 256 25 24.0 6.1 15 250 10920 255 44 42.5 11.4 | 245 41 37.5 17.5 16 200 12360 255 67 64.7 17.3 | 249 64 59.7 23.4 17 187 12785 255 77 74.4 19.9 | 249 74 69.4 26.0 18 150 14140 255 52 50.2 13.5 | 247 49 45.2 19.6 19 100 16560 250 22 20.7 7.5 | 229 21 15.6 13.6 20 80 17863 200 13 4.4 12.2 | 178 18 -0.6 18.3 21 70 18640 100 5 -4.9 0.9 | 125 12 -9.9 7.0 22 50 20630 100 22 -21.7 3.8 | 110 28 -26.7 9.9 23 30 23790 20 15 -5.1 -14.1 | 52 13 -10.2 -8.0 24 20 26370 95 29 -28.9 2.5 | 104 35 -33.9 8.6 Wind Parameters Mean winds (0-6000m): 290.5 at 10.5 knts Storm direction: 320.5 at 7.9 knts Shear (0-3000m) pos: 1.3 neg: 2.5 tot: 3.8 10-3/s Storm rel Dir Shear (0-3000m): 164.2 deg Storm rel helicity (0-3000m) pos: 5.1 neg: -6.3 tot: -1.2 m^2/s^2 ave: -0.4 10^-3 m/s^2 rel: 0.10 Storm rel vorticity (0-3000m) horiz: 5.3 stream: 0.5 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 231.46 Bulk Shear: 4.90 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 ------------------------------------------------------------------------------- 500 321 6 139 2| 0.0 2.2 2.2| 1.5 0.0 1.5 2.9 0.76| 5.6 4.3 1000 313 7 205 1| 0.0 2.3 2.3| 2.3 -0.2 2.1 2.1 0.67| 4.4 3.0 1500 307 8 228 2| 0.0 1.9 1.9| 2.3 -2.4 -0.1 -0.1 0.32| 3.8 1.2 2000 304 8 222 2| 1.0 1.5 2.5| 2.3 -5.0 -2.8 -1.4 0.02| 4.1 0.1 2500 305 7 203 2| 1.6 1.2 2.7| 2.4 -6.2 -3.9 -1.5 -0.07| 4.1 -0.3 3000 302 7 201 3| 1.3 2.5 3.8| 5.1 -6.3 -1.2 -0.4 0.10| 5.3 0.5 4000 291 8 222 4| 0.6 1.9 2.5| 19.2 -7.0 12.2 3.1 0.21| 5.1 1.1 5000 288 9 231 5| 0.5 1.6 2.1| 21.9 -9.0 13.0 2.6 0.21| 4.3 0.9 6000 291 11 244 5| 0.8 1.3 2.1| 35.2 -9.5 25.7 4.3 0.29| 4.2 1.2 Wrote GIF file: /home/apache/climate/data/raob//FAIR/skewt/FAIR.skewt.20251207.12.gif