UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121812.upa.cvt Date: 1200Z 18 DEC 25 Searching for SP754... Searching the city database file for: SP754 ... Date:1200Z 18 DEC 25 Station: SP754 WMO ident: 84754 ------------------------------------------------------------------------------- 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 20 1 925 739 2 850 1492 SFC 772 2310 14.4 1.4 41 13.0 7.3 0 0 309.6 310.7 290.7 326.7 5.49 4 770 2332 12.8 0.8 44 12.0 6.3 359 0 308.1 309.1 290.1 324.4 5.27 5 735 2723 10.0 -1.0 46 11.0 4.3 347 1 309.2 310.1 290.0 324.3 4.84 6 710 3012 10.6 -1.4 43 12.0 4.3 339 1 313.0 313.9 291.2 328.3 4.86 7 700 3131 10.0 -3.0 40 13.0 3.4 335 1 313.6 314.4 291.0 327.5 4.38 8 688 3274 8.8 -0.2 53 9.0 3.9 340 2 313.8 314.8 292.0 331.1 5.49 9 670 3493 8.0 -14.0 19 22.0 -0.9 347 3 315.3 315.6 289.3 321.7 1.93 10 662 3592 6.8 -4.2 45 11.0 1.4 351 3 315.0 315.8 291.3 328.5 4.23 11 659 3629 6.8 -4.2 45 11.0 1.3 352 3 315.4 316.2 291.5 329.0 4.25 12 657 3654 7.2 -16.8 16 24.0 -1.9 353 3 316.1 316.4 289.2 321.4 1.56 13 652 3717 6.6 -6.4 39 13.0 0.4 355 4 316.2 316.9 291.1 327.9 3.63 14 605 4329 5.2 -28.8 6 34.0 -4.9 16 7 321.4 321.5 289.8 323.5 0.59 15 571 4798 2.4 -36.6 4 39.0 -7.2 33 9 323.4 323.5 290.1 324.5 0.29 16 565 4884 2.4 35 9 324.4 17 534 5337 -0.3 -39.3 3 39.0 -9.2 51 11 326.5 326.5 291.0 327.4 0.24 18 528 5428 -0.7 -10.7 47 10.0 -5.1 55 12 327.0 327.7 293.8 337.9 3.20 19 518 5580 -2.1 -8.1 63 6.0 -4.9 60 13 327.2 328.0 294.4 340.6 4.01 20 500 5860 -3.9 -11.9 54 8.0 -7.3 70 14 328.3 328.9 294.0 338.7 3.07 21 492 5987 -4.3 -16.3 39 12.0 -8.9 68 14 329.3 329.7 293.5 336.9 2.18 22 474 6281 -6.5 -10.0 76 3.5 -8.1 63 14 330.1 330.9 295.0 342.9 3.78 23 431 7019 -10.7 -16.7 61 6.0 -12.9 50 13 333.9 334.4 294.8 342.3 2.40 24 400 7590 -14.9 -19.7 67 4.8 -16.5 40 13 335.6 336.0 295.0 342.8 2.01 25 335 8904 -25.3 -26.1 93 0.8 -25.5 15 15 338.9 339.1 295.3 343.8 1.36 26 323 9169 -25.7 -32.7 52 7.0 -27.1 10 16 341.9 342.0 295.4 344.8 0.76 27 300 9700 -29.7 -39.7 37 10.0 -31.1 360 17 343.5 343.6 295.6 345.1 0.40 28 288 9989 -31.5 -44.5 27 13.0 -33.0 353 19 345.0 345.0 295.7 346.0 0.25 29 250 10970 -40.5 -51.5 30 11.0 -41.2 330 24 345.9 345.9 295.8 346.4 0.13 30 241 11218 -42.7 -52.7 33 10.0 -43.3 334 25 346.2 346.2 295.9 346.7 0.12 31 200 12450 -51.3 -71.3 7 20.0 -51.7 355 31 351.5 351.5 297.0 351.6 0.01 32 177 13233 -57.1 -80.1 4 23.0 -57.3 344 19 354.5 354.5 297.6 354.5 0.00 33 168 13561 -59.1 -81.1 4 22.0 -59.3 340 14 356.5 356.5 298.0 356.5 0.00 34 150 14260 -65.7 -80.7 11 15.0 -65.8 330 3 356.9 356.9 298.1 356.9 0.00 35 121 15532 -76.9 -84.9 27 8.0 -76.9 27 20 359.0 359.0 298.5 359.0 0.00 36 105 16337 -82.7 -87.4 44 4.7 -82.7 65 32 362.8 362.8 299.2 362.9 0.00 37 100 16610 -81.5 -88.5 29 7.0 -81.5 70 28 370.3 370.3 300.6 370.3 0.00 38 95 16899 -79.9 -88.9 21 9.0 -79.9 378.9 378.9 302.1 378.9 0.00 39 87 17392 -83.5 -89.5 34 6.0 -83.5 381.3 381.3 302.5 381.3 0.00 40 80 17859 -83.3 -90.3 28 7.0 -83.3 391.0 391.0 303.9 391.0 0.00 41 70 18617 -75.3 -89.3 9 14.0 -75.3 423.3 423.3 308.1 423.3 0.00 42 64 19131 -78.9 -89.9 15 11.0 -78.9 426.4 426.4 308.4 426.4 0.00 43 60 19505 -71.7 -89.7 5 18.0 -71.8 450.4 450.4 310.9 450.4 0.00 44 52 20363 -65.3 -89.3 2 24.0 -65.6 484.1 484.1 313.8 484.2 0.00 45 46 21104 -68.5 -90.5 3 22.0 -68.7 493.7 493.7 314.5 493.7 0.00 46 31 23527 -58.5 -87.5 1 29.0 -59.6 579.7 579.7 319.6 579.7 0.01 47 27 24392 -60.7 -88.7 1 28.0 -61.6 596.9 596.9 320.5 596.9 0.01 48 21 25963 -58.7 -87.7 1 29.0 -60.2 647.4 647.4 322.6 647.5 0.01 49 20 26273 -53.3 -85.3 1 32.0 -55.9 673.0 673.0 323.5 673.1 0.01 50 17 27330 -48.9 -82.9 1 34.0 -53.2 719.2 719.2 325.0 719.4 0.02 51 14 28598 -51.5 -84.5 1 33.0 -55.4 751.4 751.4 326.0 751.6 0.02 52 13 29084 -47.5 -82.5 1 35.0 -53.1 781.4 781.4 326.8 781.7 0.03 TRP 105 16337 -82.7 -87.4 44 4.7 -82.7 65 32 362.8 362.8 299.2 362.9 0.00 WND Sounding variables and indices 1000-500 mb thick: 5840.00 m Freezing level: 537.44 mb = 5286.93 m = 17345.37 ft Wetbulb zero: 673.22 mb = 3453.51 m = 11330.28 ft Sfc-500 mean rel hum: 33.76 % Est. max temperature: 23.49 C = 74.29 F Sfc-Lift cond lev (LCL): 634.24 mb = 3942.79 m = 12935.49 ft T: 6.08 C 700-500 lapse rate: 5.09 C/km ThetaE index: 2.40 C Layer 770.0- 710.0 mb Conv cond level (CCL): 464.76 mb = 6433.49 m = 21106.98 ft Mean mixing ratio: 4.74 g/kg Conv temperature: 34.14 C = 93.46 F Cap Strength: 9.59 C Lifted Index: 9.21 C Risk: None Lifted Index @300 mb: 13.05 C Lifted Index @700 mb: 1.99 C Parcel Indices Parcel: using 100 mb layer CAPE (B+): 37.43 J/kg Max Up Vert Vel: 8.65 m/s Conv Inhibition (B-): 35710.59 J/kg Cap Strength: 9.55 C Lift Cond Lev (LCL): 600.86 mb = 4384.55 m = 14384.83 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 85 at 7 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 ---------------------------------------------------------- 0 772 2310 0 0 -0.0 -0.0 | 265 7 6.8 0.6 1 700 3131 335 1 0.4 -0.9 | 272 7 7.2 -0.3 2 500 5860 70 14 -13.2 -4.8 | 57 8 -6.3 -4.2 3 400 7590 40 13 -8.4 -10.0 | 9 9 -1.6 -9.3 4 300 9700 360 17 -0.0 -17.0 | 337 18 6.8 -16.4 5 250 10970 330 24 12.0 -20.8 | 317 28 18.8 -20.2 6 200 12450 355 31 2.7 -30.9 | 343 32 9.5 -30.3 7 150 14260 330 3 1.5 -2.6 | 283 9 8.3 -2.0 8 105 16337 65 32 -29.0 -13.5 | 60 26 -22.2 -12.9 9 100 16610 70 28 -26.3 -9.6 | 65 21 -19.5 -8.9 Wind Parameters Mean winds (0-6000m): 54.7 at 9.1 knts Storm direction: 84.7 at 6.8 knts Shear (0-3000m) pos: 1.9 neg: 0.3 tot: 2.2 10-3/s Storm rel Dir Shear (0-3000m): 112.4 deg Storm rel helicity (0-3000m) pos: 28.0 neg: 0.0 tot: 28.0 m^2/s^2 ave: 9.3 10^-3 m/s^2 rel: 0.98 Storm rel vorticity (0-3000m) horiz: 2.5 stream: 2.5 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 3.42 Bulk Shear: 10.96 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 ------------------------------------------------------------------------------- 500 328 0 267 7| 0.0 0.6 0.6| 1.1 0.0 1.1 2.2 0.96| 0.6 0.6 1000 336 1 270 7| 0.0 1.0 1.0| 3.3 0.0 3.3 3.3 0.92| 1.0 0.9 1500 350 1 276 7| 0.9 0.6 1.5| 8.4 0.0 8.4 5.6 0.96| 1.5 1.5 2000 8 2 285 7| 1.3 0.5 1.8| 14.3 0.0 14.3 7.2 0.97| 1.9 1.8 2500 26 3 295 6| 1.6 0.4 2.0| 20.8 0.0 20.8 8.3 0.98| 2.2 2.2 3000 44 5 307 4| 1.9 0.3 2.2| 28.0 0.0 28.0 9.3 0.98| 2.5 2.5 4000 65 7 344 2| 1.8 0.4 2.2| 36.8 -3.4 33.4 8.3 0.83| 2.7 2.2 5000 61 8 6 3| 1.4 0.7 2.2| 36.8 -12.2 24.6 4.9 0.53| 2.6 1.4 6000 55 9 8 5| 1.2 1.0 2.2| 36.8 -21.0 15.8 2.6 0.34| 2.6 0.9 Wrote GIF file: /home/apache/climate/data/raob//SP754/skewt/SP754.skewt.20251218.12.gif