UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025112623.upa.cvt Date: 2300Z 26 NOV 25 Searching for FAIR... Searching the city database file for: FAIR ... Date:2300Z 26 NOV 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 164 1 925 824 SFC 851 1500 16.2 16.2 100 0.0 16.2 0 0 303.0 305.6 295.2 343.7 13.74 3 850 1540 18.4 13.7 74 4.7 15.3 25 2 305.4 307.6 294.4 340.4 11.67 4 849 1550 18.8 13.8 73 5.0 15.5 24 2 305.9 308.1 294.6 341.3 11.76 5 843 1611 19.2 13.2 68 6.0 15.2 16 3 307.0 309.1 294.6 341.3 11.39 6 842 1621 19.2 13.2 68 6.0 15.2 14 3 307.1 309.2 294.7 341.5 11.40 7 700 3183 8.2 5.2 81 3.0 6.4 165 10 311.6 313.1 293.3 336.1 7.95 8 685 3361 6.8 4.3 84 2.5 5.4 166 10 311.9 313.4 293.2 335.6 7.63 9 675 3482 6.2 -0.8 61 7.0 2.5 167 10 312.6 313.6 291.5 329.4 5.35 10 657 3703 4.6 -0.4 70 5.0 2.0 168 9 313.2 314.3 292.0 331.0 5.66 11 656 3715 4.6 -1.4 65 6.0 1.5 168 9 313.3 314.3 291.7 329.9 5.27 12 644 3866 5.6 -22.4 11 28.0 -3.7 169 9 316.1 316.3 288.6 319.5 0.98 13 634 3994 6.0 -29.0 6 35.0 -4.3 169 9 318.0 318.1 288.7 320.0 0.55 14 616 4229 4.6 -36.4 3 41.0 -5.6 152 9 319.0 319.1 288.8 320.0 0.28 15 615 4242 4.4 -36.6 3 41.0 -5.7 151 9 319.0 319.0 288.7 319.9 0.27 16 500 5890 -7.9 -37.9 7 30.0 -14.0 105 2 323.4 323.5 290.1 324.5 0.29 17 479 6221 -10.7 -40.7 6 30.0 -16.1 207 1 323.9 324.0 290.2 324.8 0.23 18 430 7040 -15.7 -55.7 2 40.0 -20.3 35 2 327.7 327.7 291.1 327.9 0.05 19 408 7433 -18.1 -21.3 76 3.2 -19.0 312 6 329.6 329.9 293.2 335.6 1.71 20 400 7580 -18.7 -23.4 66 4.7 -20.0 280 8 330.7 331.0 293.3 335.8 1.45 21 396 7655 -19.1 -23.6 68 4.5 -20.3 278 9 331.1 331.4 293.4 336.2 1.44 22 300 9660 -33.9 -35.8 83 1.9 -34.1 285 26 337.6 337.7 294.3 339.9 0.60 23 250 10910 -43.9 -46.1 79 2.2 -44.0 300 57 340.8 340.8 294.7 341.8 0.24 24 242 11128 -45.9 -48.6 74 2.7 -46.0 300 58 341.0 341.0 294.7 341.8 0.19 25 228 11524 -49.3 -49.9 93 0.6 -49.3 300 59 341.7 341.7 294.9 342.4 0.18 26 222 11699 -51.1 -52.3 87 1.2 -51.1 300 59 341.5 341.5 294.8 342.1 0.14 27 220 11758 -51.7 -53.8 78 2.1 -51.8 300 59 341.5 341.5 294.8 341.9 0.12 28 211 12031 -49.9 -61.9 23 12.0 -50.3 300 60 348.4 348.4 296.3 348.6 0.04 29 210 12062 -50.3 -64.3 18 14.0 -50.7 300 60 348.2 348.2 296.3 348.4 0.03 30 200 12380 -52.9 -62.9 29 10.0 -53.2 300 61 349.0 349.0 296.4 349.2 0.04 31 194 12575 -53.8 -65.3 23 11.5 -54.1 295 65 350.6 350.6 296.8 350.7 0.03 32 173 13303 -57.3 -74.3 10 17.0 -57.5 288 54 356.5 356.5 298.0 356.6 0.01 33 153 14068 -62.7 -76.7 14 14.0 -62.8 281 43 360.0 360.0 298.7 360.1 0.01 34 150 14190 -62.3 -78.3 10 16.0 -62.4 280 41 362.8 362.8 299.2 362.8 0.01 35 140 14617 -61.5 -81.5 5 20.0 -61.7 291 37 371.4 371.4 300.8 371.4 0.00 36 101 16573 -75.9 -85.9 19 10.0 -75.9 343 21 380.0 380.0 302.2 380.0 0.00 37 100 16630 -75.9 -85.9 19 10.0 -75.9 345 20 381.1 381.1 302.4 381.1 0.00 38 97 16805 -77.1 -87.1 19 10.0 -77.1 350 17 382.1 382.1 302.6 382.1 0.00 39 87 17428 -77.3 -85.3 27 8.0 -77.3 3 17 393.8 393.8 304.3 393.8 0.00 40 70 18680 -74.7 -85.7 17 11.0 -74.7 30 18 424.6 424.6 308.2 424.6 0.00 41 66 19023 -75.7 -85.7 19 10.0 -75.7 50 17 429.6 429.6 308.8 429.6 0.00 42 56 19987 -71.7 -86.7 9 15.0 -71.8 106 15 459.4 459.4 311.7 459.4 0.00 43 54 20205 -67.5 -85.5 6 18.0 -67.7 119 14 473.9 473.9 313.0 473.9 0.00 44 50 20670 -67.3 -86.3 5 19.0 -67.5 145 13 484.9 484.9 313.8 484.9 0.00 45 32 23407 -61.5 -87.5 2 26.0 -62.2 114 25 566.4 566.4 319.0 566.5 0.01 46 30 23810 -59.5 -87.5 1 28.0 -60.4 110 27 582.4 582.4 319.8 582.5 0.01 47 27 24474 -56.3 -87.3 1 31.0 -57.8 609.2 609.2 321.0 609.3 0.01 48 23 25493 -56.3 -88.3 1 32.0 -58.0 637.8 637.8 322.2 637.9 0.01 TRP 97 16805 -77.1 -87.1 19 10.0 -77.1 350 17 382.1 382.1 302.6 382.1 0.00 WND 194 12575 -53.8 -65.3 23 11.5 -54.1 295 65 350.6 350.6 296.8 350.7 0.03 Sounding variables and indices 1000-500 mb thick: 5726.00 m Freezing level: 573.86 mb = 4831.76 m = 15852.04 ft Wetbulb zero: 652.54 mb = 3758.30 m = 12330.23 ft Precipitable water: 0.80 inches Sfc-500 mean rel hum: 40.11 % Est. max temperature: 24.33 C = 75.80 F Sfc-Lift cond lev (LCL): 851.17 mb = 1498.35 m = 4915.78 ft T: -9999.00 C 700-500 lapse rate: 5.95 C/km ThetaE index: 12.09 C Layer 700.0- 657.0 mb Conv cond level (CCL): 713.59 mb = 3020.44 m = 9909.45 ft Mean mixing ratio: 10.40 g/kg Conv temperature: 23.94 C = 75.08 F Cap Strength: 2.41 C Lifted Index: -1.06 C Risk: Thunderstorms probable Lifted Index @300 mb: 0.24 C Lifted Index @700 mb: 0.56 C Showalter Index: -1.27 C Risk: Thunderstorms probable Total Totals Index: 47.90 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 26.30 C Cross Totals Index: 21.60 C K Index: 37.00 Risk: > 80 % chance of thunderstorms Sweat Index: 170.40 Risk: None Energy Index: -2.99 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 152.17 J/kg Max Up Vert Vel: 17.45 m/s Conv Inhibition (B-): 32.37 J/kg Cap Strength: 2.37 C Lift Cond Lev (LCL): 742.04 mb = 2689.92 m = 8825.09 ft Lev Free Conv (LFC): 677.04 mb = 3457.21 m = 11342.42 ft Equ Level (EL): 647.04 mb = 3827.45 m = 12557.10 ft B at Equ Level: 7.40 J/kg Max Parcel Lev (MPL): 637.04 mb = 3954.79 m = 12974.86 ft Wind level data Storm motion: 187 at 4 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 0 0 -0.0 -0.0 | 7 4 -0.5 -4.2 1 850 1540 25 2 -0.8 -1.8 | 13 6 -1.3 -6.0 2 792 2134 305 7 5.7 -4.0 | 327 10 5.2 -8.2 3 764 2438 320 5 3.2 -3.8 | 341 8 2.7 -8.0 4 700 3183 165 10 -2.6 9.7 | 151 6 -3.1 5.5 5 635 3962 170 9 -1.6 8.9 | 156 5 -2.1 4.7 6 589 4572 125 9 -7.4 5.2 | 97 8 -7.9 1.0 7 546 5182 135 5 -3.5 3.5 | 81 4 -4.0 -0.6 8 500 5890 105 2 -1.9 0.5 | 34 4 -2.4 -3.6 9 467 6401 265 1 1.0 0.1 | 353 4 0.5 -4.1 10 431 7010 40 2 -1.3 -1.5 | 17 6 -1.8 -5.7 11 400 7580 280 8 7.9 -1.4 | 307 9 7.4 -5.5 12 366 8230 265 20 19.9 1.7 | 277 20 19.4 -2.4 13 336 8839 290 17 16.0 -5.8 | 303 18 15.5 -10.0 14 300 9660 285 26 25.1 -6.7 | 294 27 24.6 -10.9 15 250 10910 300 57 49.4 -28.5 | 304 59 48.9 -32.7 16 200 12380 300 61 52.8 -30.5 | 304 63 52.3 -34.7 17 194 12575 295 65 58.9 -27.5 | 298 66 58.4 -31.6 18 150 14190 280 41 40.4 -7.1 | 286 41 39.9 -11.3 19 100 16630 345 20 5.2 -19.3 | 349 24 4.7 -23.5 20 97 16805 350 17 3.0 -16.7 | 353 21 2.5 -20.9 21 70 18680 30 18 -9.0 -15.6 | 26 22 -9.5 -19.7 22 50 20670 145 13 -7.5 10.6 | 129 10 -7.9 6.5 23 30 23810 110 27 -25.4 9.2 | 101 26 -25.9 5.1 Wind Parameters Mean winds (0-6000m): 156.7 at 5.6 knts Storm direction: 186.7 at 4.2 knts Shear (0-3000m) pos: 0.1 neg: 1.6 tot: 1.7 10-3/s Storm rel Dir Shear (0-3000m): 96.1 deg Storm rel helicity (0-3000m) pos: 4.7 neg: -55.4 tot: -50.7 m^2/s^2 ave: -16.9 10^-3 m/s^2 rel: -0.75 Storm rel vorticity (0-3000m) horiz: 6.8 stream: -5.1 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 12.87 Bulk Shear: 11.82 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 ------------------------------------------------------------------------------- 500 338 4 353 8| 0.0 6.0 6.0| 0.5 -9.5 -9.0 -18.0 -0.51| 7.9 -4.0 1000 316 5 339 8| 0.0 2.8 2.8| 3.9 -16.1 -12.2 -12.2 -0.43| 6.3 -2.7 1500 291 6 322 8| 0.0 3.0 3.0| 3.9 -37.7 -33.8 -22.5 -0.71| 8.8 -6.2 2000 225 7 261 4| 0.0 2.5 2.5| 4.3 -46.1 -41.8 -20.9 -0.74| 8.4 -6.2 2500 190 7 195 3| 0.1 2.0 2.1| 4.7 -46.6 -41.9 -16.8 -0.72| 6.9 -5.0 3000 175 8 160 4| 0.1 1.6 1.7| 4.7 -55.4 -50.7 -16.9 -0.75| 6.8 -5.1 4000 158 7 128 4| 0.4 0.9 1.3| 4.7 -60.8 -56.1 -14.0 -0.73| 5.9 -4.3 5000 155 6 115 3| 0.8 0.7 1.5| 4.7 -64.7 -59.9 -12.0 -0.72| 5.4 -3.8 6000 157 6 110 3| 0.6 0.3 0.9| 8.4 -83.8 -75.4 -12.6 -0.67| 5.6 -3.7 Wrote GIF file: /home/apache/climate/data/raob//FAIR/skewt/FAIR.skewt.20251126.23.gif