UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025102912.upa.cvt Date: 1200Z 29 OCT 25 Searching for FAIR... Searching the city database file for: FAIR ... Date:1200Z 29 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 177 1 925 843 SFC 854 1500 18.6 14.9 79 3.7 16.1 250 3 305.2 307.6 295.0 342.8 12.57 3 850 1565 16.8 14.0 84 2.8 15.0 230 3 303.7 305.9 294.1 339.2 11.91 4 814 1932 13.2 12.5 96 0.7 12.7 262 8 303.7 305.8 293.6 337.2 11.26 5 784 2249 13.0 10.7 86 2.3 11.6 284 11 306.8 308.7 293.9 338.0 10.37 6 713 3043 8.4 8.4 100 0.0 8.4 286 16 310.2 312.0 294.3 340.0 9.75 7 700 3195 7.6 7.6 100 0.0 7.6 285 17 310.9 312.7 294.3 339.8 9.40 8 610 4320 1.2 1.2 100 0.0 1.2 301 18 316.0 317.3 293.7 337.7 6.86 9 601 4439 -1.1 -1.1 100 0.0 -1.1 305 19 314.7 315.8 292.6 333.3 5.88 10 559 5015 -4.9 -5.4 96 0.5 -5.1 307 25 316.8 317.7 292.1 331.5 4.58 11 500 5890 -8.3 -8.3 100 0.0 -8.3 320 29 322.9 323.7 293.4 336.4 4.09 12 434 6967 -13.5 -13.5 100 0.0 -13.5 295 34 329.7 330.3 294.4 340.3 3.11 13 433 6985 -11.1 -11.1 100 0.0 -11.1 295 34 332.9 333.7 295.7 345.9 3.79 14 432 7002 -13.5 -13.5 100 0.0 -13.5 295 34 330.1 330.7 294.5 340.8 3.13 15 430 7038 -6.1 -8.9 81 2.8 -7.5 295 34 340.0 340.9 297.8 355.8 4.54 16 338 8840 -25.1 -26.6 87 1.5 -25.5 290 36 338.3 338.5 295.0 343.0 1.29 17 325 9122 -26.9 -31.2 67 4.3 -27.8 287 38 339.6 339.8 295.0 342.9 0.87 18 320 9233 -27.9 -31.8 69 3.9 -28.6 286 39 339.7 339.9 295.0 342.9 0.83 19 300 9690 -31.5 -35.0 71 3.5 -32.0 280 42 341.0 341.1 295.1 343.5 0.65 20 285 10050 -34.7 -36.7 82 2.0 -35.0 277 44 341.4 341.6 295.2 343.7 0.58 21 263 10605 -39.3 -46.3 47 7.0 -39.9 273 46 342.6 342.7 295.1 343.6 0.23 22 250 10950 -42.3 -48.3 52 6.0 -42.7 270 48 343.2 343.2 295.3 344.0 0.19 23 202 12356 -54.9 -57.7 71 2.8 -55.0 275 67 344.8 344.9 295.6 345.2 0.08 24 201 12388 -55.1 -58.0 70 2.9 -55.2 275 68 345.0 345.0 295.6 345.3 0.08 25 200 12420 -55.3 -58.3 69 3.0 -55.4 275 68 345.2 345.2 295.6 345.5 0.07 26 188 12812 -57.4 -66.7 30 9.3 -57.5 275 75 348.0 348.0 296.2 348.1 0.03 27 185 12913 -57.9 -68.9 23 11.0 -58.0 275 74 348.8 348.8 296.4 348.8 0.02 28 176 13226 -59.3 -71.3 20 12.0 -59.5 276 72 351.5 351.5 297.0 351.5 0.01 29 164 13665 -61.9 -71.9 25 10.0 -62.0 278 69 354.3 354.3 297.5 354.3 0.01 30 150 14210 -66.5 -72.5 43 6.0 -66.5 280 65 355.5 355.5 297.8 355.6 0.01 31 147 14333 -67.3 -73.3 42 6.0 -67.4 280 63 356.2 356.2 298.0 356.3 0.01 32 127 15210 -70.9 -79.9 25 9.0 -70.9 278 48 364.9 364.9 299.7 364.9 0.01 33 115 15798 -72.5 -82.5 21 10.0 -72.5 277 38 372.5 372.5 301.0 372.5 0.00 34 110 16060 -71.7 -81.7 21 10.0 -71.8 276 34 378.7 378.7 302.1 378.7 0.00 35 103 16447 -74.5 -83.5 24 9.0 -74.5 275 27 380.6 380.6 302.3 380.6 0.00 36 100 16620 -72.9 -81.9 24 9.0 -72.9 275 24 386.9 386.9 303.3 386.9 0.00 37 91 17166 -77.5 -84.5 32 7.0 -77.5 310 25 388.3 388.3 303.5 388.3 0.00 38 83 17694 -76.7 -84.7 27 8.0 -76.7 321 18 400.3 400.3 305.2 400.3 0.00 39 79 17981 -72.3 -83.3 18 11.0 -72.3 326 15 415.1 415.1 307.2 415.1 0.00 40 70 18690 -73.3 -84.3 17 11.0 -73.3 340 6 427.6 427.6 308.6 427.6 0.00 41 66 19034 -74.1 -85.1 17 11.0 -74.2 355 7 433.1 433.1 309.1 433.1 0.00 42 63 19309 -67.9 -83.9 8 16.0 -68.1 7 8 452.6 452.6 311.1 452.6 0.01 43 59 19706 -65.5 -83.5 6 18.0 -65.7 23 9 466.5 466.5 312.4 466.6 0.01 44 58 19809 -65.9 -84.9 5 19.0 -66.1 28 9 467.9 467.9 312.5 467.9 0.01 45 53 20356 -66.5 -85.5 5 19.0 -66.7 50 10 478.7 478.7 313.4 478.8 0.00 46 50 20710 -64.7 -84.7 5 20.0 -65.0 65 11 491.0 491.0 314.3 491.1 0.01 47 37 22567 -59.7 -84.7 2 25.0 -60.5 53 19 548.0 548.0 318.0 548.1 0.01 48 30 23880 -58.3 -89.3 1 31.0 -59.4 45 25 585.7 585.7 319.9 585.7 0.00 49 28 24314 -57.9 -89.9 1 32.0 -59.2 56 22 598.5 598.5 320.5 598.5 0.00 50 25 25034 -54.1 -87.1 1 33.0 -56.1 74 18 629.1 629.1 321.9 629.2 0.01 51 20 26470 -52.1 -85.1 1 33.0 -55.0 110 10 676.7 676.7 323.7 676.8 0.01 52 16 27922 -49.9 -83.9 1 34.0 -54.0 728.5 728.5 325.3 728.6 0.02 TRP 91 17166 -77.5 -84.5 32 7.0 -77.5 310 25 388.3 388.3 303.5 388.3 0.00 WND 188 12812 -57.4 -66.7 30 9.3 -57.5 275 75 348.0 348.0 296.2 348.1 0.03 Sounding variables and indices 1000-500 mb thick: 5713.00 m Freezing level: 605.30 mb = 4382.09 m = 14376.76 ft Wetbulb zero: 605.31 mb = 4381.83 m = 14375.92 ft Precipitable water: 1.38 inches Sfc-500 mean rel hum: 96.45 % Est. max temperature: 23.81 C = 74.85 F Sfc-Lift cond lev (LCL): 808.47 mb = 1989.93 m = 6528.55 ft T: 13.16 C 700-500 lapse rate: 5.90 C/km ThetaE index: 8.51 C Layer 700.0- 500.0 mb Conv cond level (CCL): 750.16 mb = 2617.92 m = 8588.87 ft Mean mixing ratio: 10.96 g/kg Conv temperature: 21.59 C = 70.85 F Cap Strength: 1.38 C Lifted Index: -0.76 C Risk: Thunderstorms probable Lifted Index @300 mb: 3.64 C Lifted Index @700 mb: 0.49 C Showalter Index: -1.17 C Risk: Thunderstorms probable Total Totals Index: 47.40 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 25.10 C Cross Totals Index: 22.30 C K Index: 39.10 Risk: > 80 % chance of thunderstorms Sweat Index: 203.00 Risk: None Energy Index: -0.62 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 135.19 J/kg Max Up Vert Vel: 16.44 m/s Conv Inhibition (B-): 35.05 J/kg Cap Strength: 1.38 C Lift Cond Lev (LCL): 781.99 mb = 2270.62 m = 7449.45 ft Lev Free Conv (LFC): 636.99 mb = 3965.94 m = 13011.46 ft Equ Level (EL): 466.99 mb = 6409.88 m = 21029.55 ft B at Equ Level: 135.14 J/kg Max Parcel Lev (MPL): 406.99 mb = 7449.65 m = 24440.83 ft Wind level data Storm motion: 330 at 17 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 ---------------------------------------------------------- 0 854 1500 250 3 2.8 1.0 | 160 16 -5.6 15.3 1 850 1565 230 3 2.3 1.9 | 159 17 -6.1 16.2 2 794 2134 280 11 10.8 -1.9 | 191 13 2.4 12.3 3 766 2438 290 12 11.3 -4.1 | 196 11 2.9 10.1 4 700 3195 285 17 16.4 -4.4 | 219 13 8.0 9.8 5 636 3962 290 14 13.2 -4.8 | 207 11 4.8 9.5 6 589 4572 310 21 16.1 -13.5 | 264 8 7.7 0.8 7 546 5182 305 27 22.1 -15.5 | 275 14 13.7 -1.2 8 500 5890 320 29 18.6 -22.2 | 308 13 10.3 -8.0 9 468 6401 300 33 28.6 -16.5 | 276 20 20.2 -2.3 10 432 7010 295 34 30.8 -14.4 | 270 22 22.4 -0.1 11 400 7590 295 41 37.2 -17.3 | 276 29 28.8 -3.1 12 366 8230 290 34 31.9 -11.6 | 264 24 23.6 2.6 13 337 8839 290 36 33.8 -12.3 | 266 26 25.4 1.9 14 300 9690 280 42 41.4 -7.3 | 258 34 33.0 7.0 15 250 10950 270 48 48.0 -0.0 | 250 42 39.6 14.2 16 200 12420 275 68 67.7 -5.9 | 262 60 59.4 8.3 17 188 12812 275 75 74.7 -6.5 | 263 67 66.3 7.7 18 150 14210 280 65 64.0 -11.3 | 267 56 55.6 3.0 19 100 16620 275 24 23.9 -2.1 | 232 20 15.5 12.2 20 91 17166 310 25 19.2 -16.1 | 280 11 10.8 -1.8 21 70 18690 340 6 2.1 -5.6 | 144 11 -6.3 8.6 22 50 20710 65 11 -10.0 -4.6 | 118 21 -18.4 9.6 23 30 23880 45 25 -17.7 -17.7 | 83 26 -26.1 -3.4 24 20 26470 110 10 -9.4 3.4 | 135 25 -17.8 17.7 Wind Parameters Mean winds (0-6000m): 299.5 at 22.0 knts Storm direction: 329.5 at 16.5 knts Shear (0-3000m) pos: 2.8 neg: 0.6 tot: 3.4 10-3/s Storm rel Dir Shear (0-3000m): 95.8 deg Storm rel helicity (0-3000m) pos: 69.1 neg: -6.9 tot: 62.2 m^2/s^2 ave: 20.7 10^-3 m/s^2 rel: 0.66 Storm rel vorticity (0-3000m) horiz: 5.0 stream: 3.3 10^-3/s Energy-Hel index: 0.04 Bulk Rich Number: 3.12 Bulk Shear: 43.32 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 ------------------------------------------------------------------------------- 500 258 6 170 16| 6.5 0.0 6.5| 28.0 0.0 28.0 56.1 0.82| 8.2 6.7 1000 278 9 180 13| 5.3 0.0 5.3| 39.2 0.0 39.2 39.2 0.74| 6.8 5.1 1500 282 10 188 12| 3.5 1.2 4.7| 48.4 0.0 48.4 32.3 0.78| 5.7 4.4 2000 284 12 196 12| 2.7 0.9 3.6| 51.8 -2.9 48.9 24.5 0.68| 5.0 3.4 2500 285 13 199 12| 1.9 0.7 2.6| 52.5 -6.9 45.6 18.2 0.56| 4.4 2.5 3000 288 13 203 11| 2.8 0.6 3.4| 69.1 -6.9 62.2 20.7 0.66| 5.0 3.3 4000 296 16 221 9| 2.5 1.1 3.6| 88.2 -6.9 81.3 20.3 0.64| 5.1 3.3 5000 301 19 242 9| 2.3 1.6 3.9|102.2 -46.9 55.3 11.1 0.37| 5.7 2.1 6000 300 22 253 11| 1.9 2.0 3.9|116.7 -57.5 59.2 9.9 0.32| 5.5 1.8 Wrote GIF file: /home/apache/climate/data/raob//FAIR/skewt/FAIR.skewt.20251029.12.gif