UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025043012.upa.cvt Date: 1200Z 30 APR 25 Searching for FAIR... Searching the city database file for: FAIR ... Date:1200Z 30 APR 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 93 1 925 770 2 850 1506 300 10 SFC 848 1500 23.8 8.8 38 15.0 14.3 300 10 311.3 312.9 293.6 337.2 8.41 4 700 3141 5.4 3.3 86 2.1 4.2 280 14 308.5 309.8 291.6 329.7 6.95 5 662 3595 2.2 1.3 94 0.9 1.7 269 16 309.8 311.0 291.6 329.5 6.36 6 661 3607 1.4 -0.9 85 2.3 0.3 269 16 309.1 310.1 290.5 325.8 5.43 7 659 3632 5.2 -15.8 20 21.0 -2.7 268 16 313.6 313.9 288.5 319.2 1.69 8 656 3669 5.6 -24.4 9 30.0 -3.8 267 17 314.5 314.6 287.8 317.3 0.81 9 593 4485 -1.5 -18.5 26 17.0 -7.2 260 16 315.4 315.7 288.9 320.5 1.50 10 528 5397 -8.9 -28.9 18 20.0 -13.7 263 14 317.2 317.3 288.6 319.5 0.66 11 500 5820 -8.9 -43.9 4 35.0 -14.9 300 15 322.2 322.2 289.6 322.8 0.16 12 497 5867 -8.5 -47.5 3 39.0 -14.7 300 16 323.2 323.3 289.9 323.6 0.11 13 494 5913 -8.5 -45.5 3 37.0 -14.7 299 16 323.8 323.8 290.0 324.3 0.13 14 436 6866 -15.9 -46.9 5 31.0 -20.2 302 22 326.2 326.2 290.7 326.7 0.13 15 400 7510 -19.3 -57.3 2 38.0 -23.1 305 24 329.9 329.9 291.7 330.1 0.04 16 371 8067 -21.7 -64.7 1 43.0 -25.2 294 28 333.9 333.9 292.8 334.0 0.02 17 325 9026 -29.9 -67.9 1 38.0 -32.0 287 28 335.5 335.5 293.2 335.5 0.01 18 302 9544 -34.5 -51.5 16 17.0 -35.8 276 33 336.1 336.1 293.4 336.6 0.11 19 300 9590 -34.9 -51.9 16 17.0 -36.1 275 33 336.2 336.2 293.4 336.6 0.11 20 254 10733 -44.1 -57.1 22 13.0 -44.7 275 46 339.0 339.0 294.1 339.2 0.07 21 250 10840 -44.9 -58.9 19 14.0 -45.4 275 47 339.3 339.3 294.2 339.5 0.05 22 232 11334 -48.9 -61.9 21 13.0 -49.3 273 52 340.6 340.6 294.5 340.7 0.04 23 223 11594 -49.1 -72.1 5 23.0 -49.6 272 54 344.1 344.1 295.3 344.2 0.01 24 220 11682 -49.3 -71.3 6 22.0 -49.8 272 55 345.2 345.2 295.6 345.2 0.01 25 200 12300 -53.7 -70.7 11 17.0 -54.0 270 61 347.7 347.7 296.1 347.8 0.01 26 195 12462 -54.7 -71.5 11 16.7 -55.0 265 63 348.6 348.6 296.3 348.7 0.01 27 150 14100 -65.3 -79.3 13 14.0 -65.4 280 47 357.6 357.6 298.2 357.6 0.00 28 138 14603 -68.7 -81.7 14 13.0 -68.8 280 45 360.2 360.2 298.7 360.2 0.00 29 132 14869 -69.5 -82.5 13 13.0 -69.5 280 44 363.4 363.4 299.4 363.4 0.00 30 116 15645 -66.9 -85.9 5 19.0 -67.0 280 41 381.9 381.9 302.6 381.9 0.00 31 100 16530 -72.1 -88.1 7 16.0 -72.2 280 38 388.4 388.4 303.6 388.4 0.00 32 91 17089 -70.5 -88.5 5 18.0 -70.6 294 34 402.2 402.2 305.5 402.2 0.00 33 77 18071 -75.1 -89.1 10 14.0 -75.2 320 26 412.3 412.3 306.8 412.3 0.00 34 75 18224 -75.1 -89.1 10 14.0 -75.2 327 25 415.4 415.4 307.2 415.4 0.00 35 70 18630 -70.5 -88.5 5 18.0 -70.6 345 21 433.6 433.6 309.2 433.6 0.00 36 66 18979 -71.9 -89.9 5 18.0 -72.0 5 18 437.9 437.9 309.7 437.9 0.00 37 59 19649 -66.3 -90.3 2 24.0 -66.5 43 12 464.7 464.7 312.2 464.7 0.00 38 54 20187 -65.9 -91.9 1 26.0 -66.1 74 8 477.6 477.6 313.2 477.6 0.00 39 50 20660 -61.3 -92.3 1 31.0 -61.8 100 4 499.0 499.0 314.9 499.0 0.00 40 41 21891 -61.5 -92.5 1 31.0 -62.1 527.7 527.7 316.8 527.7 0.00 41 31 23645 -56.3 -88.3 1 32.0 -57.6 585.6 585.6 319.9 585.7 0.01 TRP 77 18071 -75.1 -89.1 10 14.0 -75.2 320 26 412.3 412.3 306.8 412.3 0.00 WND 195 12462 -54.7 -71.5 11 16.7 -55.0 265 63 348.6 348.6 296.3 348.7 0.01 Sounding variables and indices 1000-500 mb thick: 5727.00 m Freezing level: 606.31 mb = 4312.21 m = 14147.49 ft Wetbulb zero: 660.83 mb = 3609.11 m = 11840.76 ft Sfc-500 mean rel hum: 42.21 % Est. max temperature: 21.17 C = 70.11 F Sfc-Lift cond lev (LCL): 679.49 mb = 3382.74 m = 11098.11 ft T: 3.70 C 700-500 lapse rate: 5.34 C/km ThetaE index: 19.97 C Layer 700.0- 593.0 mb Conv cond level (CCL): 695.84 mb = 3189.42 m = 10463.85 ft Mean mixing ratio: 7.92 g/kg Conv temperature: 21.24 C = 70.24 F Cap Strength: 2.30 C Lifted Index: 0.10 C Risk: Showers probable Lifted Index @300 mb: 2.35 C Lifted Index @700 mb: -1.78 C Parcel Indices Parcel: using 100 mb layer CAPE (B+): 112.70 J/kg Max Up Vert Vel: 15.01 m/s Conv Inhibition (B-): 0.00 J/kg Cap Strength: 2.03 C Lift Cond Lev (LCL): 678.62 mb = 3393.23 m = 11132.50 ft Lev Free Conv (LFC): 673.62 mb = 3453.36 m = 11329.77 ft Equ Level (EL): 663.62 mb = 3574.96 m = 11728.74 ft B at Equ Level: 43.70 J/kg Max Parcel Lev (MPL): 373.62 mb = 8014.80 m = 26294.96 ft Wind level data Storm motion: 312 at 13 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 ---------------------------------------------------------- 0 848 1500 300 10 8.7 -5.0 | 164 4 -1.1 3.8 1 787 2134 275 21 20.9 -1.8 | 238 13 11.2 7.0 2 760 2438 290 19 17.9 -6.5 | 254 8 8.1 2.3 3 700 3141 280 14 13.8 -2.4 | 212 8 4.0 6.4 4 631 3962 260 18 17.7 3.1 | 214 14 8.0 12.0 5 585 4572 260 16 15.8 2.8 | 207 13 6.0 11.6 6 542 5182 245 14 12.7 5.9 | 191 15 2.9 14.7 7 500 5820 300 15 13.0 -7.5 | 248 3 3.2 1.3 8 463 6401 295 23 20.8 -9.7 | 275 11 11.1 -0.9 9 427 7010 305 21 17.2 -12.0 | 293 8 7.4 -3.2 10 400 7510 305 24 19.7 -13.8 | 297 11 9.9 -4.9 11 362 8230 290 29 27.3 -9.9 | 274 18 17.5 -1.1 12 333 8839 290 27 25.4 -9.2 | 272 16 15.6 -0.4 13 300 9590 275 33 32.9 -2.9 | 256 24 23.1 5.9 14 250 10840 275 47 46.8 -4.1 | 263 37 37.1 4.7 15 200 12300 270 61 61.0 -0.0 | 260 52 51.2 8.8 16 195 12462 265 63 62.8 5.5 | 255 55 53.0 14.3 17 150 14100 280 47 46.3 -8.2 | 269 37 36.5 0.7 18 100 16530 280 38 37.4 -6.6 | 265 28 27.7 2.2 19 77 18071 320 26 16.7 -19.9 | 328 13 7.0 -11.1 20 70 18630 345 21 5.4 -20.3 | 21 12 -4.3 -11.5 21 50 20660 100 4 -3.9 0.7 | 125 17 -13.7 9.5 Wind Parameters Mean winds (0-6000m): 282.1 at 17.5 knts Storm direction: 312.1 at 13.2 knts Shear (0-3000m) pos: 0.5 neg: 2.3 tot: 2.8 10-3/s Storm rel Dir Shear (0-3000m): 44.2 deg Storm rel helicity (0-3000m) pos: 16.4 neg: -16.8 tot: -0.4 m^2/s^2 ave: -0.1 10^-3 m/s^2 rel: 0.07 Storm rel vorticity (0-3000m) horiz: 5.3 stream: 0.4 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 75.71 Bulk Shear: 1.49 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 ------------------------------------------------------------------------------- 500 285 14 218 6| 0.0 10.1 10.1| 7.8 0.0 7.8 15.6 0.60| 10.4 6.2 1000 283 17 234 8| 1.5 5.1 6.6| 15.6 -0.4 15.2 15.2 0.49| 9.0 4.4 1500 284 17 235 8| 1.0 2.8 3.8| 15.6 -8.7 6.9 4.6 0.21| 7.4 1.5 2000 283 16 230 8| 0.7 2.8 3.5| 16.3 -10.7 5.6 2.8 0.15| 6.5 1.0 2500 279 17 226 9| 0.6 3.0 3.6| 16.4 -12.3 4.1 1.6 0.12| 6.0 0.7 3000 275 17 223 10| 0.5 2.3 2.8| 16.4 -16.8 -0.4 -0.1 0.07| 5.3 0.4 4000 271 16 216 11| 1.1 1.8 2.9| 28.3 -31.1 -2.8 -0.7 0.05| 5.3 0.3 5000 276 17 223 10| 1.7 1.6 3.3| 40.4 -31.1 9.3 1.9 0.16| 5.9 0.9 6000 282 18 235 9| 1.7 1.3 3.0| 48.1 -31.1 17.0 2.8 0.19| 5.5 1.0 Wrote GIF file: /home/apache/climate/data/raob//FAIR/skewt/FAIR.skewt.20250430.12.gif