UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025102723.upa.cvt Date: 2300Z 27 OCT 25 Searching for FAIR... Searching the city database file for: FAIR ... Date:2300Z 27 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 182 1 925 842 SFC 854 1500 16.0 12.7 81 3.3 13.8 150 4 302.5 304.5 293.0 334.7 10.87 3 851 1543 18.6 11.6 64 7.0 14.1 38 1 305.5 307.4 293.3 336.0 10.13 4 850 1558 18.8 11.8 64 7.0 14.3 0 0 305.8 307.8 293.5 336.7 10.28 5 849 1568 16.2 11.5 74 4.7 13.2 1 0 303.2 305.1 292.6 333.2 10.09 6 829 1772 18.8 10.8 60 8.0 13.7 11 8 308.0 309.9 293.8 338.0 9.86 7 791 2174 16.0 12.4 79 3.6 13.6 29 22 309.2 311.4 295.3 344.2 11.52 8 758 2535 13.4 8.4 72 5.0 10.3 8 16 310.2 311.9 293.9 338.3 9.17 9 700 3203 10.2 4.2 66 6.0 6.7 245 11 313.8 315.2 293.6 336.9 7.41 10 696 3251 10.0 5.0 71 5.0 7.1 246 11 314.1 315.6 294.0 338.7 7.89 11 653 3779 7.4 -4.6 42 12.0 1.4 256 10 316.9 317.7 291.8 330.3 4.16 12 652 3792 7.4 -4.6 42 12.0 1.4 256 9 317.1 317.9 291.9 330.5 4.17 13 586 4659 -0.7 -4.9 73 4.2 -2.7 265 16 317.4 318.3 292.3 332.0 4.54 14 585 4673 -0.9 -5.1 73 4.2 -2.9 265 16 317.4 318.2 292.2 331.8 4.48 15 561 5007 -2.9 -13.9 42 11.0 -7.1 265 22 318.8 319.3 290.7 326.6 2.33 16 500 5910 -9.5 -14.1 69 4.6 -11.2 275 37 321.5 322.0 291.7 330.0 2.57 17 472 6349 -13.3 -16.1 79 2.8 -14.3 284 39 322.1 322.5 291.7 329.9 2.31 18 455 6628 -12.3 -29.3 23 17.0 -16.4 290 35 326.7 326.9 291.6 329.4 0.74 19 453 6661 -12.5 -34.5 14 22.0 -17.1 291 34 326.9 327.0 291.3 328.6 0.45 20 412 7378 -15.3 -54.3 2 39.0 -20.1 294 37 332.3 332.3 292.4 332.5 0.06 21 400 7600 -15.9 -53.9 2 38.0 -20.7 290 43 334.3 334.3 292.9 334.6 0.06 22 399 7619 -15.9 -50.9 3 35.0 -20.6 290 43 334.6 334.6 293.0 334.9 0.09 23 327 9086 -28.1 -51.1 9 23.0 -30.3 290 46 337.4 337.4 293.8 337.8 0.11 24 306 9560 -31.3 -55.3 8 24.0 -33.1 290 54 339.3 339.4 294.2 339.6 0.07 25 300 9700 -32.1 -50.1 15 18.0 -33.7 290 56 340.1 340.2 294.5 340.7 0.13 26 291 9914 -34.1 -45.1 32 11.0 -35.2 291 58 340.3 340.3 294.6 341.2 0.23 27 282 10134 -35.5 -57.5 9 22.0 -36.8 292 60 341.3 341.3 294.7 341.6 0.06 28 258 10746 -40.7 -62.7 8 22.0 -41.6 294 67 342.5 342.5 295.0 342.6 0.03 29 250 10960 -42.1 -61.1 11 19.0 -42.9 295 69 343.5 343.5 295.2 343.6 0.04 30 200 12430 -54.9 -61.9 42 7.0 -55.1 290 80 345.8 345.8 295.7 346.0 0.05 31 193 12657 -57.0 -62.6 49 5.6 -57.1 290 82 346.0 346.0 295.8 346.2 0.04 32 190 12756 -57.9 -62.9 53 5.0 -58.0 290 81 346.1 346.1 295.8 346.3 0.04 33 189 12789 -57.9 -62.9 53 5.0 -58.0 290 80 346.6 346.6 295.9 346.8 0.04 34 161 13787 -63.9 -74.9 21 11.0 -64.0 290 68 352.8 352.8 297.3 352.8 0.01 35 150 14220 -64.5 -77.5 15 13.0 -64.6 290 62 359.0 359.0 298.5 359.0 0.01 36 147 14343 -64.7 -77.7 15 13.0 -64.8 288 61 360.7 360.7 298.8 360.7 0.01 37 126 15267 -71.9 -83.9 15 12.0 -71.9 277 54 363.9 363.9 299.5 364.0 0.00 38 118 15652 -72.9 -84.9 15 12.0 -72.9 272 51 369.0 369.0 300.4 369.0 0.00 39 116 15753 -71.5 -83.5 15 12.0 -71.5 270 50 373.4 373.4 301.2 373.4 0.00 40 108 16171 -74.9 -84.9 20 10.0 -74.9 265 47 374.7 374.7 301.4 374.7 0.00 41 101 16562 -72.5 -82.5 21 10.0 -72.5 269 36 386.5 386.5 303.3 386.6 0.00 42 100 16620 -72.5 -82.5 21 10.0 -72.5 270 34 387.6 387.7 303.5 387.7 0.00 43 76 18221 -75.9 -86.9 16 11.0 -75.9 297 18 412.2 412.2 306.8 412.2 0.00 44 70 18700 -72.9 -84.9 15 12.0 -73.0 305 13 428.4 428.4 308.7 428.4 0.00 45 68 18870 -72.9 -84.9 15 12.0 -73.0 432.0 432.0 309.0 432.0 0.00 46 64 19231 -66.3 -82.3 9 16.0 -66.5 454.0 454.0 311.3 454.1 0.01 47 62 19424 -65.9 -83.9 6 18.0 -66.1 459.1 459.1 311.7 459.1 0.01 TRP 108 16171 -74.9 -84.9 20 10.0 -74.9 265 47 374.7 374.7 301.4 374.7 0.00 WND 193 12657 -57.0 -62.6 49 5.6 -57.1 290 82 346.0 346.0 295.8 346.2 0.04 Sounding variables and indices 1000-500 mb thick: 5728.00 m Freezing level: 591.70 mb = 4584.41 m = 15040.54 ft Wetbulb zero: 629.38 mb = 4078.94 m = 13382.19 ft Precipitable water: 0.96 inches Sfc-500 mean rel hum: 61.93 % Est. max temperature: 26.54 C = 79.76 F Sfc-Lift cond lev (LCL): 812.99 mb = 1939.14 m = 6361.93 ft T: 17.64 C 700-500 lapse rate: 7.28 C/km ThetaE index: 7.32 C Layer 758.0- 696.0 mb Conv cond level (CCL): 667.28 mb = 3600.00 m = 11810.89 ft Mean mixing ratio: 10.35 g/kg Conv temperature: 28.86 C = 83.95 F Cap Strength: 2.69 C Lifted Index: -2.61 C Risk: Severe thunderstorms possible Lifted Index @300 mb: 2.16 C Lifted Index @700 mb: 2.62 C Showalter Index: -1.32 C Risk: Thunderstorms probable Total Totals Index: 49.60 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 28.30 C Cross Totals Index: 21.30 C K Index: 34.10 Risk: 60-80 % chance of thunderstorms Sweat Index: 190.60 Risk: None Energy Index: -1.27 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 189.41 J/kg Max Up Vert Vel: 19.46 m/s Conv Inhibition (B-): 162.48 J/kg Cap Strength: 2.68 C Lift Cond Lev (LCL): 741.42 mb = 2720.69 m = 8926.03 ft Lev Free Conv (LFC): 596.42 mb = 4516.12 m = 14816.50 ft Equ Level (EL): 426.42 mb = 7118.10 m = 23353.08 ft B at Equ Level: 186.73 J/kg Max Parcel Lev (MPL): 286.42 mb = 10025.02 m = 32890.08 ft Wind level data Storm motion: 316 at 16 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 150 4 -2.0 3.5 | 139 20 -13.3 15.3 1 850 1558 0 0 -0.0 -0.0 | 136 16 -11.3 11.9 2 794 2134 30 23 -11.5 -19.9 | 71 24 -22.8 -8.0 3 766 2438 25 17 -7.2 -15.4 | 79 19 -18.5 -3.5 4 700 3203 245 11 10.0 4.6 | 175 17 -1.4 16.5 5 637 3962 260 9 8.9 1.6 | 170 14 -2.5 13.4 6 590 4572 265 15 14.9 1.3 | 195 14 3.6 13.2 7 547 5182 265 25 24.9 2.2 | 224 20 13.6 14.1 8 500 5910 275 37 36.9 -3.2 | 251 27 25.5 8.7 9 469 6401 285 39 37.7 -10.1 | 266 26 26.3 1.8 10 432 7010 300 28 24.2 -14.0 | 279 13 12.9 -2.1 11 400 7600 290 43 40.4 -14.7 | 276 29 29.1 -2.8 12 367 8230 290 42 39.5 -14.4 | 275 28 28.1 -2.5 13 338 8839 290 43 40.4 -14.7 | 276 29 29.1 -2.8 14 300 9700 290 56 52.6 -19.2 | 280 42 41.3 -7.3 15 250 10960 295 69 62.5 -29.2 | 289 54 51.2 -17.3 16 200 12430 290 80 75.2 -27.4 | 284 66 63.8 -15.5 17 193 12657 290 82 77.1 -28.0 | 284 68 65.7 -16.2 18 150 14220 290 62 58.3 -21.2 | 281 48 46.9 -9.3 19 108 16171 265 47 46.8 4.1 | 246 39 35.5 16.0 20 100 16620 270 34 34.0 -0.0 | 242 26 22.7 11.9 21 70 18700 305 13 10.6 -7.5 | 171 4 -0.7 4.4 Wind Parameters Mean winds (0-6000m): 286.4 at 21.9 knts Storm direction: 316.4 at 16.4 knts Shear (0-3000m) pos: 0.9 neg: 2.0 tot: 2.9 10-3/s Storm rel Dir Shear (0-3000m): 53.3 deg Storm rel helicity (0-3000m) pos: 38.3 neg: -97.4 tot: -59.1 m^2/s^2 ave: -19.7 10^-3 m/s^2 rel: -0.11 Storm rel vorticity (0-3000m) horiz: 12.8 stream: -1.5 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 2.40 Bulk Shear: 78.80 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 8 106 15| 0.0 20.9 20.9| 0.0 -65.0 -65.0 -130.0 -0.75| 22.6-16.9 1000 29 14 88 18| 0.0 10.1 10.1| 12.8 -79.1 -66.2 -66.2 -0.49| 17.7 -8.7 1500 17 14 83 15| 0.0 5.3 5.3| 19.7 -83.3 -63.6 -42.4 -0.17| 20.1 -3.4 2000 9 13 84 13| 0.0 3.0 3.0| 19.7 -94.1 -74.3 -37.2 -0.19| 17.4 -3.3 2500 348 13 87 9| 0.4 2.4 2.8| 20.5 -97.4 -76.9 -30.8 -0.19| 14.3 -2.8 3000 323 12 116 4| 0.9 2.0 2.9| 38.3 -97.4 -59.1 -19.7 -0.11| 12.8 -1.5 4000 288 15 201 8| 2.7 1.5 4.2|101.5 -97.4 4.1 1.0 0.06| 11.7 0.6 5000 283 19 225 11| 3.0 1.2 4.2|196.0 -97.4 98.6 19.7 0.18| 11.1 2.0 6000 286 22 239 11| 2.0 2.1 4.1|214.3-103.9 110.5 18.4 0.16| 11.4 1.8 Wrote GIF file: /home/apache/climate/data/raob//FAIR/skewt/FAIR.skewt.20251027.23.gif