UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025103011.upa.cvt Date: 1100Z 30 OCT 25 Searching for FAIR... Searching the city database file for: FAIR ... Date:1100Z 30 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 118 1 925 804 SFC 852 1500 27.0 15.0 48 12.0 18.7 30 7 314.2 316.6 297.4 353.6 12.69 3 851 1524 24.8 12.8 47 12.0 16.7 15 9 312.0 314.1 295.7 345.8 10.98 4 850 1547 24.6 11.6 44 13.0 16.0 360 12 311.9 313.8 295.1 343.2 10.15 5 843 1619 23.2 11.2 47 12.0 15.4 359 13 311.2 313.1 294.7 341.8 9.96 6 743 2702 13.0 8.7 75 4.3 10.3 348 15 311.5 313.3 294.6 340.9 9.55 7 700 3201 8.8 5.8 81 3.0 7.0 345 12 312.2 313.8 293.8 337.9 8.29 8 695 3260 8.4 5.6 83 2.8 6.7 341 12 312.4 314.0 293.8 337.9 8.24 9 625 4130 2.0 -1.2 79 3.2 0.3 284 10 314.7 315.8 292.4 332.5 5.61 10 591 4581 -0.7 -9.7 51 9.0 -4.6 266 10 316.7 317.3 290.8 326.8 3.10 11 529 5459 -7.1 -9.2 85 2.1 -8.0 321 11 319.2 319.9 292.0 331.0 3.60 12 528 5474 -6.9 -8.4 89 1.5 -7.5 320 11 319.6 320.4 292.3 332.2 3.84 13 519 5608 -6.3 -13.3 58 7.0 -9.0 307 13 321.9 322.4 291.9 330.7 2.64 14 503 5853 -7.9 -19.9 37 12.0 -11.8 284 17 322.9 323.2 291.2 328.2 1.57 15 500 5900 -8.3 -20.3 37 12.0 -12.1 280 18 322.9 323.2 291.2 328.2 1.52 16 479 6231 -11.1 -22.1 40 11.0 -14.3 277 25 323.5 323.7 291.2 328.2 1.36 17 474 6311 -10.9 -35.9 11 25.0 -16.0 276 26 324.7 324.7 290.6 326.1 0.38 18 461 6525 -10.3 -30.3 18 20.0 -15.2 276 32 328.0 328.1 291.8 330.4 0.67 19 406 7489 -17.9 -18.2 97 0.3 -18.0 284 52 330.3 330.8 293.9 338.1 2.25 20 405 7507 -17.9 -18.4 96 0.5 -18.1 284 52 330.5 331.0 293.9 338.3 2.21 21 404 7526 -18.1 -19.2 91 1.1 -18.4 284 52 330.5 330.9 293.7 337.8 2.07 22 401 7581 -17.7 -36.7 17 19.0 -21.2 285 52 331.7 331.8 292.6 333.3 0.41 23 400 7600 -17.7 -39.7 13 22.0 -21.4 285 52 332.0 332.0 292.6 333.1 0.30 24 397 7656 -17.7 -49.7 4 32.0 -21.8 285 52 332.7 332.7 292.6 333.1 0.10 25 395 7694 -17.7 -49.7 4 32.0 -21.9 284 53 333.2 333.2 292.7 333.6 0.10 26 358 8420 -24.1 -53.1 5 29.0 -27.0 279 57 334.1 334.1 292.9 334.4 0.08 27 312 9412 -29.7 -55.7 6 26.0 -31.8 275 65 339.7 339.7 294.3 340.0 0.06 28 300 9690 -31.9 -56.9 7 25.0 -33.7 275 68 340.4 340.4 294.5 340.7 0.06 29 277 10248 -36.3 -58.3 9 22.0 -37.6 279 69 341.9 341.9 294.8 342.1 0.05 30 250 10950 -42.3 -50.3 41 8.0 -42.8 285 70 343.2 343.2 295.2 343.8 0.15 31 235 11365 -44.9 -47.8 73 2.9 -45.1 282 75 345.4 345.4 295.8 346.3 0.22 32 205 12261 -52.1 -53.8 82 1.7 -52.2 276 85 347.8 347.8 296.3 348.3 0.12 33 200 12420 -53.7 -56.3 73 2.6 -53.8 275 87 347.7 347.7 296.2 348.1 0.09 34 186 12883 -57.9 -60.2 75 2.3 -57.9 269 93 348.2 348.2 296.3 348.5 0.06 35 183 12986 -58.7 -62.4 62 3.7 -58.7 268 95 348.5 348.6 296.4 348.8 0.05 36 179 13125 -59.5 -67.5 35 8.0 -59.6 266 97 349.5 349.5 296.5 349.6 0.02 37 176 13231 -59.8 -68.5 31 8.7 -59.9 265 98 350.6 350.6 296.8 350.7 0.02 38 166 13596 -60.9 -71.9 22 11.0 -61.0 261 88 354.7 354.7 297.7 354.8 0.01 39 150 14220 -65.9 -75.9 24 10.0 -66.0 255 72 356.6 356.6 298.0 356.6 0.01 40 148 14301 -66.5 -76.5 23 10.0 -66.5 256 71 356.9 356.9 298.1 356.9 0.01 41 134 14902 -65.3 -78.3 15 13.0 -65.4 261 67 369.3 369.3 300.4 369.3 0.01 42 133 14948 -65.9 -78.9 15 13.0 -66.0 261 66 369.0 369.0 300.4 369.1 0.01 43 102 16507 -78.1 -84.1 37 6.0 -78.1 275 54 374.7 374.7 301.4 374.7 0.00 44 100 16620 -77.5 -84.5 32 7.0 -77.5 265 49 378.0 378.0 301.9 378.0 0.00 45 86 17495 -72.7 -82.7 21 10.0 -72.8 231 35 404.3 404.3 305.8 404.4 0.00 46 75 18294 -74.5 -84.5 20 10.0 -74.6 200 22 416.7 416.7 307.3 416.7 0.00 47 70 18700 -70.3 -82.3 16 12.0 -70.4 185 15 434.0 434.0 309.3 434.0 0.01 48 65 19135 -72.7 -84.7 15 12.0 -72.8 171 13 438.0 438.0 309.7 438.1 0.00 49 58 19815 -64.3 -81.3 8 17.0 -64.6 149 10 471.5 471.5 312.8 471.6 0.01 50 57 19921 -64.5 -82.5 7 18.0 -64.8 145 10 473.4 473.4 312.9 473.5 0.01 51 50 20720 -63.7 -81.7 7 18.0 -64.0 120 6 493.4 493.4 314.5 493.4 0.01 52 46 21233 -64.7 -83.7 6 19.0 -65.0 133 6 502.9 502.9 315.1 502.9 0.01 53 30 23900 -56.9 -80.9 3 24.0 -58.2 200 4 589.5 589.5 320.1 589.7 0.02 54 27 24565 -58.1 -82.1 3 24.0 -59.3 177 7 604.2 604.2 320.8 604.3 0.02 55 23 25588 -52.5 -80.5 2 28.0 -55.0 141 11 649.0 649.0 322.6 649.2 0.03 56 20 26490 -53.3 -80.3 2 27.0 -55.9 110 15 673.0 673.0 323.5 673.3 0.03 57 18 27168 -53.5 -81.5 2 28.0 -56.2 693.0 693.0 324.2 693.2 0.03 58 16 27934 -48.7 -79.7 2 31.0 -53.2 732.4 732.4 325.4 732.8 0.04 59 14 28813 -48.5 -78.5 2 30.0 -53.4 761.6 761.6 326.3 762.1 0.06 TRP 102 16507 -78.1 -84.1 37 6.0 -78.1 275 54 374.7 374.7 301.4 374.7 0.00 WND 176 13231 -59.8 -68.5 31 8.7 -59.9 265 98 350.6 350.6 296.8 350.7 0.02 Sounding variables and indices 1000-500 mb thick: 5782.00 m Freezing level: 599.81 mb = 4464.11 m = 14645.84 ft Wetbulb zero: 622.81 mb = 4158.51 m = 13643.24 ft Precipitable water: 1.02 inches Sfc-500 mean rel hum: 68.10 % Est. max temperature: 25.07 C = 77.12 F Sfc-Lift cond lev (LCL): 714.94 mb = 3024.39 m = 9922.42 ft T: 10.29 C 700-500 lapse rate: 6.34 C/km ThetaE index: 15.65 C Layer 851.0- 695.0 mb Conv cond level (CCL): 690.76 mb = 3310.58 m = 10861.36 ft Mean mixing ratio: 9.82 g/kg Conv temperature: 25.42 C = 77.75 F Cap Strength: 0.73 C Lifted Index: -2.17 C Risk: Severe thunderstorms possible Lifted Index @300 mb: 1.24 C Lifted Index @700 mb: 0.64 C Showalter Index: -2.81 C Risk: Severe thunderstorms possible Total Totals Index: 52.80 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 32.90 C Cross Totals Index: 19.90 C K Index: 41.50 Risk: > 80 % chance of thunderstorms Sweat Index: 257.20 Risk: None Energy Index: -2.91 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 290.70 J/kg Max Up Vert Vel: 24.11 m/s Conv Inhibition (B-): 12.93 J/kg Cap Strength: 2.71 C Lift Cond Lev (LCL): 702.12 mb = 3175.76 m = 10419.04 ft Lev Free Conv (LFC): 667.12 mb = 3595.98 m = 11797.68 ft Equ Level (EL): 327.12 mb = 9070.68 m = 29759.10 ft B at Equ Level: 287.82 J/kg Max Parcel Lev (MPL): 207.12 mb = 12193.73 m = 40005.18 ft Wind level data Storm motion: 328 at 15 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 ---------------------------------------------------------- 0 852 1500 30 7 -3.5 -6.1 | 119 13 -11.3 6.2 1 850 1547 360 12 -0.0 -12.0 | 92 8 -7.8 0.3 2 793 2134 355 17 1.5 -16.9 | 53 8 -6.3 -4.7 3 766 2438 350 17 3.0 -16.7 | 47 7 -4.8 -4.5 4 700 3201 345 12 3.1 -11.6 | 98 5 -4.7 0.7 5 637 3962 290 10 9.4 -3.4 | 190 9 1.6 8.9 6 590 4572 265 10 10.0 0.9 | 190 13 2.2 13.1 7 547 5182 345 7 1.8 -6.8 | 133 8 -5.9 5.5 8 500 5900 280 18 17.7 -3.1 | 227 14 10.0 9.1 9 468 6401 275 28 27.9 -2.4 | 244 22 20.1 9.8 10 432 7010 280 50 49.2 -8.7 | 265 42 41.5 3.6 11 400 7600 285 52 50.2 -13.5 | 272 42 42.5 -1.2 12 367 8230 280 56 55.1 -9.7 | 267 47 47.4 2.5 13 337 8839 275 58 57.8 -5.1 | 262 51 50.0 7.2 14 300 9690 275 68 67.7 -5.9 | 264 60 60.0 6.3 15 250 10950 285 70 67.6 -18.1 | 276 60 59.9 -5.8 16 200 12420 275 87 86.7 -7.6 | 267 79 78.9 4.7 17 176 13231 265 98 97.6 8.5 | 257 92 89.9 20.8 18 150 14220 255 72 69.5 18.6 | 243 69 61.8 30.9 19 102 16507 275 54 53.8 -4.7 | 261 47 46.0 7.6 20 100 16620 265 49 48.8 4.3 | 248 44 41.1 16.5 21 70 18700 185 15 1.3 14.9 | 167 28 -6.5 27.2 22 50 20720 120 6 -5.2 3.0 | 140 20 -13.0 15.3 23 30 23900 200 4 1.4 3.8 | 158 17 -6.4 16.0 24 20 26490 110 15 -14.1 5.1 | 129 28 -21.9 17.4 Wind Parameters Mean winds (0-6000m): 297.7 at 19.4 knts Storm direction: 327.7 at 14.5 knts Shear (0-3000m) pos: 0.0 neg: 2.6 tot: 2.6 10-3/s Storm rel Dir Shear (0-3000m): 71.2 deg Storm rel helicity (0-3000m) pos: 12.8 neg: -24.5 tot: -11.7 m^2/s^2 ave: -3.9 10^-3 m/s^2 rel: -0.01 Storm rel vorticity (0-3000m) horiz: 5.7 stream: -0.0 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 7.29 Bulk Shear: 39.87 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 ------------------------------------------------------------------------------- 500 358 14 79 7| 0.0 11.1 11.1| 0.0 -20.1 -20.1 -40.1 -0.81| 11.3 -9.2 1000 355 15 65 7| 0.0 6.2 6.2| 0.3 -23.7 -23.4 -23.4 -0.76| 7.1 -5.4 1500 353 15 64 7| 0.0 3.3 3.3| 4.4 -23.7 -19.4 -12.9 -0.44| 5.9 -2.6 2000 350 14 70 6| 0.0 2.7 2.7| 9.5 -23.7 -14.2 -7.1 -0.10| 5.9 -0.6 2500 344 14 79 4| 0.0 2.7 2.7| 12.6 -23.7 -11.2 -4.5 -0.00| 6.1 -0.0 3000 336 13 100 3| 0.0 2.6 2.6| 12.8 -24.5 -11.7 -3.9 -0.01| 5.7 -0.0 4000 331 12 134 3| 1.1 2.2 3.3| 17.8 -40.2 -22.3 -5.6 -0.07| 6.6 -0.5 5000 313 14 218 4| 0.8 4.2 5.1| 58.3 -40.9 17.4 3.5 0.09| 7.9 0.7 6000 298 19 251 10| 1.8 3.5 5.3|181.7 -40.9 140.8 23.5 0.20| 8.5 1.7 Wrote GIF file: /home/apache/climate/data/raob//FAIR/skewt/FAIR.skewt.20251030.11.gif