UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025112712.upa.cvt Date: 1200Z 27 NOV 25 Searching for FAIR... Searching the city database file for: FAIR ... Date:1200Z 27 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 147 1 925 814 SFC 851 1500 19.0 16.8 87 2.2 17.5 340 4 305.9 308.6 296.4 348.8 14.29 3 850 1537 19.6 14.7 73 4.9 16.3 355 9 306.7 309.0 295.3 344.2 12.47 4 843 1608 20.4 11.4 56 9.0 14.6 5 9 308.2 310.1 294.0 338.9 10.09 5 836 1680 20.8 11.8 56 9.0 14.9 15 9 309.4 311.4 294.6 341.3 10.46 6 802 2038 18.6 8.6 52 10.0 12.3 65 7 310.8 312.4 293.7 337.7 8.78 7 801 2049 18.4 8.4 52 10.0 12.1 67 7 310.7 312.3 293.6 337.3 8.67 8 700 3186 8.8 3.8 71 5.0 5.9 125 6 312.2 313.6 292.9 334.6 7.20 9 686 3353 7.4 3.3 75 4.1 5.1 123 6 312.5 313.8 292.9 334.5 7.09 10 569 4866 -3.7 -4.6 93 0.9 -4.1 66 15 316.6 317.5 292.2 331.9 4.78 11 557 5034 -4.5 -4.5 100 0.0 -4.5 60 14 317.6 318.5 292.6 333.4 4.92 12 521 5559 -7.3 -7.5 98 0.2 -7.4 23 8 320.3 321.2 292.8 334.0 4.18 13 500 5880 -8.1 -8.8 95 0.7 -8.4 355 4 323.2 323.9 293.4 336.2 3.94 14 479 6213 -8.5 -8.5 100 0.0 -8.5 327 11 326.7 327.5 294.5 340.7 4.21 15 400 7590 -17.1 -18.9 86 1.8 -17.7 305 31 332.8 333.2 294.4 340.3 2.15 16 381 7953 -19.7 -21.6 85 1.9 -20.3 305 30 334.0 334.4 294.4 340.4 1.79 17 300 9680 -32.7 -33.9 89 1.2 -32.9 310 36 339.3 339.4 294.8 342.0 0.73 18 288 9967 -34.9 -36.0 90 1.1 -35.0 312 40 340.1 340.3 294.9 342.5 0.61 19 253 10859 -42.5 -48.5 52 6.0 -42.9 319 53 341.7 341.8 294.9 342.5 0.19 20 250 10940 -43.3 -48.1 59 4.8 -43.6 320 54 341.7 341.7 294.9 342.5 0.20 21 235 11353 -46.5 -48.9 76 2.4 -46.6 320 56 342.9 343.0 295.2 343.7 0.19 22 210 12088 -53.5 -57.5 62 4.0 -53.6 320 59 343.2 343.2 295.1 343.5 0.08 23 201 12368 -55.5 -64.5 32 9.0 -55.7 320 60 344.4 344.4 295.4 344.5 0.03 24 200 12400 -55.7 -65.7 28 10.0 -55.9 320 60 344.6 344.6 295.4 344.7 0.03 25 198 12464 -55.9 -68.9 18 13.0 -56.1 319 61 345.2 345.2 295.6 345.3 0.02 26 190 12726 -57.1 -69.8 19 12.7 -57.3 315 67 347.4 347.4 296.1 347.4 0.02 27 152 14119 -63.7 -74.7 21 11.0 -63.8 296 43 359.0 359.0 298.5 359.0 0.01 28 150 14200 -63.3 -74.3 21 11.0 -63.4 295 42 361.0 361.0 298.9 361.1 0.01 29 145 14407 -63.1 -77.1 13 14.0 -63.2 295 41 364.9 364.9 299.7 364.9 0.01 30 108 16171 -72.7 -83.7 17 11.0 -72.8 299 32 378.8 378.8 302.1 378.8 0.00 31 100 16620 -73.9 -83.9 20 10.0 -73.9 300 30 384.9 384.9 303.1 385.0 0.00 32 78 18058 -78.9 -85.9 31 7.0 -78.9 350 22 402.9 402.9 305.6 402.9 0.00 33 76 18206 -78.1 -85.1 31 7.0 -78.1 349 20 407.6 407.6 306.2 407.6 0.00 34 74 18359 -78.9 -85.9 31 7.0 -78.9 348 17 409.0 409.0 306.4 409.1 0.00 35 72 18516 -75.7 -83.7 27 8.0 -75.7 346 15 419.0 419.0 307.6 419.1 0.00 36 70 18680 -75.3 -84.3 23 9.0 -75.3 345 12 423.3 423.3 308.1 423.3 0.00 37 58 19791 -68.1 -83.1 10 15.0 -68.2 30 15 462.9 462.9 312.0 463.0 0.01 38 58 19791 -68.1 -84.1 8 16.0 -68.2 30 15 462.9 462.9 312.0 463.0 0.01 39 53 20330 -70.3 -85.3 9 15.0 -70.4 51 16 469.9 469.9 312.6 470.0 0.01 40 50 20680 -65.9 -83.9 6 18.0 -66.2 65 17 488.2 488.2 314.1 488.2 0.01 41 48 20929 -64.3 -83.3 6 19.0 -64.6 66 16 497.7 497.7 314.8 497.8 0.01 42 36 22699 -62.5 -83.5 4 21.0 -63.1 71 12 545.1 545.1 317.8 545.1 0.01 43 32 23434 -58.3 -81.3 4 23.0 -59.3 74 11 575.0 575.0 319.4 575.1 0.02 44 30 23840 -58.7 -81.7 4 23.0 -59.7 75 10 584.6 584.6 319.9 584.7 0.02 45 25 24981 -60.3 -83.3 3 23.0 -61.3 611.3 611.3 321.1 611.4 0.02 46 20 26392 -54.3 -78.3 4 24.0 -56.6 670.0 670.0 323.4 670.3 0.04 TRP 78 18058 -78.9 -85.9 31 7.0 -78.9 350 22 402.9 402.9 305.6 402.9 0.00 WND 190 12726 -57.1 -69.8 19 12.7 -57.3 315 67 347.4 347.4 296.1 347.4 0.02 Sounding variables and indices 1000-500 mb thick: 5733.00 m Freezing level: 608.00 mb = 4361.39 m = 14308.86 ft Wetbulb zero: 621.66 mb = 4149.66 m = 13614.22 ft Precipitable water: 1.16 inches Sfc-500 mean rel hum: 78.23 % Est. max temperature: 24.99 C = 76.97 F Sfc-Lift cond lev (LCL): 824.00 mb = 1805.08 m = 5922.10 ft T: 20.03 C 700-500 lapse rate: 6.27 C/km ThetaE index: 9.92 C Layer 850.0- 836.0 mb Conv cond level (CCL): 677.77 mb = 3450.73 m = 11321.16 ft Mean mixing ratio: 9.12 g/kg Conv temperature: 25.51 C = 77.91 F Cap Strength: 1.73 C Lifted Index: -0.59 C Risk: Thunderstorms probable Lifted Index @300 mb: 2.44 C Lifted Index @700 mb: 1.69 C Showalter Index: -2.96 C Risk: Severe thunderstorms possible Total Totals Index: 50.50 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 27.70 C Cross Totals Index: 22.80 C K Index: 37.40 Risk: > 80 % chance of thunderstorms Sweat Index: 228.40 Risk: None Energy Index: -1.64 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 118.63 J/kg Max Up Vert Vel: 15.40 m/s Conv Inhibition (B-): 58.15 J/kg Cap Strength: 1.73 C Lift Cond Lev (LCL): 701.22 mb = 3171.37 m = 10404.62 ft Lev Free Conv (LFC): 646.22 mb = 3836.35 m = 12586.30 ft Equ Level (EL): 486.22 mb = 6097.25 m = 20003.85 ft B at Equ Level: 115.69 J/kg Max Parcel Lev (MPL): 356.22 mb = 8438.83 m = 27686.12 ft Wind level data Storm motion: 41 at 9 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 340 4 1.4 -3.8 | 246 8 7.4 3.3 1 850 1537 355 9 0.8 -9.0 | 286 7 6.8 -1.9 2 792 2134 80 7 -6.9 -1.2 | 171 6 -0.9 5.8 3 764 2438 100 9 -8.9 1.6 | 162 9 -2.9 8.6 4 700 3186 125 6 -4.9 3.4 | 186 11 1.1 10.5 5 635 3962 115 7 -6.3 3.0 | 178 10 -0.3 10.0 6 589 4572 75 17 -16.4 -4.4 | 104 11 -10.4 2.6 7 546 5182 55 13 -10.6 -7.5 | 85 5 -4.6 -0.4 8 500 5880 355 4 0.3 -4.0 | 244 7 6.4 3.0 9 467 6401 310 15 11.5 -9.6 | 278 18 17.5 -2.6 10 431 7010 300 28 24.2 -14.0 | 283 31 30.3 -7.0 11 400 7590 305 31 25.4 -17.8 | 289 33 31.4 -10.8 12 366 8230 305 30 24.6 -17.2 | 288 32 30.6 -10.2 13 337 8839 295 31 28.1 -13.1 | 280 35 34.1 -6.1 14 300 9680 310 36 27.6 -23.1 | 296 37 33.6 -16.1 15 250 10940 320 54 34.7 -41.4 | 310 53 40.7 -34.3 16 200 12400 320 60 38.6 -46.0 | 311 59 44.6 -38.9 17 190 12726 315 67 47.4 -47.4 | 307 67 53.4 -40.3 18 150 14200 295 42 38.1 -17.7 | 284 45 44.1 -10.7 19 100 16620 300 30 26.0 -15.0 | 284 33 32.0 -8.0 20 78 18058 350 22 3.8 -21.7 | 326 18 9.8 -14.6 21 70 18680 345 12 3.1 -11.6 | 297 10 9.1 -4.6 22 50 20680 65 17 -15.4 -7.2 | 89 9 -9.4 -0.2 23 30 23840 75 10 -9.7 -2.6 | 141 6 -3.7 4.4 Wind Parameters Mean winds (0-6000m): 10.5 at 12.3 knts Storm direction: 40.5 at 9.2 knts Shear (0-3000m) pos: 1.7 neg: 2.0 tot: 3.7 10-3/s Storm rel Dir Shear (0-3000m): -132.3 deg Storm rel helicity (0-3000m) pos: 18.8 neg: -37.7 tot: -19.0 m^2/s^2 ave: -6.3 10^-3 m/s^2 rel: -0.24 Storm rel vorticity (0-3000m) horiz: 6.3 stream: -1.5 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 39.69 Bulk Shear: 2.99 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 24 8 280 3| 8.1 0.0 8.1| 8.1 -2.0 6.1 12.2 0.06| 14.3 0.9 1000 58 8 164 3| 5.9 0.0 5.9| 8.8 -3.9 4.9 4.9 0.00| 10.2 0.0 1500 78 8 162 6| 3.5 0.0 3.5| 16.1 -3.9 12.2 8.1 0.13| 7.9 1.0 2000 90 8 168 7| 2.5 0.0 2.5| 18.8 -5.4 13.4 6.7 0.13| 6.3 0.8 2500 96 7 171 8| 2.0 0.3 2.4| 18.8 -9.5 9.2 3.7 0.07| 5.4 0.4 3000 94 8 165 8| 1.7 2.0 3.7| 18.8 -37.7 -19.0 -6.3 -0.24| 6.3 -1.5 4000 81 10 148 6| 1.3 1.4 2.7| 18.8 -50.2 -31.5 -7.9 -0.35| 6.7 -2.4 5000 67 9 141 4| 1.0 2.4 3.4| 32.6 -56.0 -23.4 -4.7 -0.23| 7.5 -1.7 6000 11 12 324 6| 0.6 2.9 3.5| 62.2 -56.6 5.7 0.9 -0.15| 7.5 -1.1 Wrote GIF file: /home/apache/climate/data/raob//FAIR/skewt/FAIR.skewt.20251127.12.gif