UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041723.upa.cvt Date: 2300Z 17 APR 25 Searching for Y4155... Searching the city database file for: Y4155 ... Date:2300Z 17 APR 25 Station: Y4155 WMO ident: 94155 ------------------------------------------------------------------------------- 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 82 70 1 SFC 998 100 24.6 22.8 90 1.8 23.3 70 1 297.9 301.1 296.5 349.6 17.78 2 991 162 25.6 22.2 82 3.4 23.2 84 5 299.5 302.7 296.6 349.9 17.25 3 925 767 21.6 19.7 89 1.9 20.3 120 19 301.4 304.3 296.2 347.9 15.81 4 920 814 21.2 19.6 91 1.6 20.1 117 18 301.5 304.4 296.2 348.0 15.80 5 868 1318 20.0 13.0 64 7.0 15.4 151 16 305.3 307.3 293.8 337.9 10.91 6 850 1499 18.6 11.6 64 7.0 14.1 170 15 305.6 307.5 293.3 336.1 10.15 7 774 2298 14.0 12.5 91 1.5 13.0 127 9 309.0 311.2 295.5 345.0 11.85 8 755 2508 13.6 10.5 82 3.1 11.6 130 9 310.7 312.8 295.1 343.3 10.63 9 740 2678 15.0 7.0 59 8.0 10.0 169 8 314.1 315.7 294.5 340.6 8.53 10 717 2945 12.4 8.6 78 3.8 10.0 231 5 314.1 315.9 295.4 344.6 9.83 11 700 3147 12.0 -1.0 41 13.0 5.0 235 7 315.8 316.8 292.2 332.0 5.08 12 682 3364 11.0 -7.0 28 18.0 2.4 230 13 317.0 317.7 291.1 327.8 3.31 13 677 3425 11.0 -10.0 22 21.0 1.5 229 14 317.7 318.2 290.7 326.4 2.64 14 648 3788 7.6 -8.4 31 16.0 0.2 227 17 317.8 318.4 291.2 328.1 3.13 15 614 4227 2.2 -1.5 76 3.7 0.3 233 24 316.6 317.6 292.9 334.4 5.59 16 589 4561 0.0 -2.0 86 2.0 -1.0 230 30 317.8 318.9 293.3 335.8 5.62 17 581 4670 1.8 -0.2 87 2.0 0.7 223 28 321.1 322.4 294.8 342.1 6.51 18 505 5786 -4.5 -4.5 100 0.0 -4.5 165 15 326.6 327.7 295.4 344.6 5.43 TRP WND Sounding variables and indices Freezing level: 559.29 mb = 4989.18 m = 16368.49 ft Wetbulb zero: 609.07 mb = 4291.34 m = 14079.01 ft Precipitable water: 1.84 inches Sfc-500 mean rel hum: 73.28 % Est. max temperature: 32.39 C = 90.30 F Sfc-Lift cond lev (LCL): 972.55 mb = 326.78 m = 1072.10 ft T: 24.51 C ThetaE index: 18.23 C Layer 700.0- 648.0 mb Conv cond level (CCL): 851.41 mb = 1484.74 m = 4871.14 ft Mean mixing ratio: 16.13 g/kg Conv temperature: 32.27 C = 90.09 F Cap Strength: 2.79 C Lifted Index @700 mb: 1.90 C Parcel Indices Parcel: using 100 mb layer CAPE (B+): 116.19 J/kg Max Up Vert Vel: 15.24 m/s Conv Inhibition (B-): 132.23 J/kg Cap Strength: 2.47 C Lift Cond Lev (LCL): 912.13 mb = 888.52 m = 2915.05 ft Lev Free Conv (LFC): 637.13 mb = 3925.39 m = 12878.40 ft Wind level data Storm motion: 218 at 11 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 ---------------------------------------------------------- 0 998 100 70 1 -0.9 -0.3 | 41 12 -8.1 -9.3 1 975 305 115 14 -12.7 5.9 | 81 20 -19.8 -3.0 2 942 610 120 19 -16.5 9.5 | 91 24 -23.6 0.5 3 925 767 120 19 -16.5 9.5 | 91 24 -23.6 0.5 4 909 914 110 17 -16.0 5.8 | 82 23 -23.1 -3.1 5 850 1499 170 15 -2.6 14.8 | 121 11 -9.7 5.8 6 848 1524 185 13 1.1 13.0 | 124 7 -6.0 4.0 7 789 2134 140 7 -4.5 5.4 | 73 12 -11.6 -3.6 8 761 2438 115 10 -9.1 4.2 | 74 17 -16.2 -4.7 9 708 3048 255 4 3.9 1.0 | 22 9 -3.2 -7.9 10 700 3147 235 7 5.7 4.0 | 16 5 -1.4 -4.9 11 682 3353 230 13 10.0 8.4 | 282 3 2.8 -0.6 12 633 3962 225 19 13.4 13.4 | 235 8 6.3 4.5 13 609 4267 235 25 20.5 14.3 | 248 14 13.4 5.4 14 587 4572 230 31 23.7 19.9 | 237 20 16.6 11.0 15 565 4877 205 20 8.5 18.1 | 188 9 1.3 9.2 16 505 5791 165 15 -3.9 14.5 | 117 12 -11.0 5.5 Wind Parameters Mean winds (0-6000m): 188.5 at 15.2 knts Storm direction: 218.5 at 11.4 knts Shear (0-3000m) pos: 2.4 neg: 1.3 tot: 3.7 10-3/s Storm rel Dir Shear (0-3000m): -23.3 deg Storm rel helicity (0-3000m) pos: 135.1 neg: -56.2 tot: 78.9 m^2/s^2 ave: 26.3 10^-3 m/s^2 rel: 0.14 Storm rel vorticity (0-3000m) horiz: 12.5 stream: 1.7 10^-3/s Energy-Hel index: 0.09 Bulk Rich Number: 3.19 Bulk Shear: 36.38 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 ------------------------------------------------------------------------------- 500 116 13 80 19| 18.7 0.0 18.7| 72.5 0.0 72.5 145.0 0.80| 19.9 15.9 1000 118 15 85 21| 8.2 0.0 8.2| 96.3 -20.8 75.5 75.5 0.58| 14.5 8.4 1500 128 15 92 19| 4.3 0.0 4.3|127.2 -23.5 103.7 69.1 0.52| 14.8 7.7 2000 135 14 93 17| 3.2 2.0 5.2|127.2 -41.9 85.2 42.6 0.31| 13.1 4.0 2500 134 13 90 16| 2.9 1.6 4.5|135.1 -43.1 92.1 36.8 0.29| 12.5 3.6 3000 135 12 87 15| 2.4 1.3 3.7|135.1 -56.2 78.9 26.3 0.14| 12.5 1.7 4000 164 13 106 11| 2.6 0.3 2.9|137.1 -65.1 72.0 18.0 0.02| 11.6 0.2 5000 190 15 142 7| 2.1 1.1 3.2|140.8-130.0 10.8 2.2 -0.13| 12.2 -1.6 6000 NO DATA | 1.9 1.6 3.4| | Wrote GIF file: /home/apache/climate/data/raob//Y4155/skewt/Y4155.skewt.20250417.23.gif