UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120400.upa.cvt Date: 0000Z 4 DEC 25 Searching for LGAT... Searching the city database file for: LGAT ... Date:0000Z 4 DEC 25 Station: LGAT WMO ident: 16716 Latitude: 37.90 Longitude: 23.73 Elevation: 15.00 ------------------------------------------------------------------------------- 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 ------------------------------------------------------------------------------- SFC 1010 15 15.0 11.3 79 3.7 12.8 0 0 287.3 288.8 285.5 310.7 8.35 1 1000 124 15.2 12.0 81 3.2 13.3 100 14 288.4 289.9 286.4 313.1 8.84 2 979 304 14.2 11.2 82 3.0 12.4 105 17 289.1 290.6 286.5 313.2 8.56 3 925 780 10.0 9.1 94 0.9 9.5 120 26 289.5 290.9 285.9 311.8 7.86 4 912 898 9.4 7.8 90 1.6 8.5 127 25 290.1 291.4 285.6 310.8 7.29 5 886 1137 7.6 7.1 97 0.5 7.3 140 24 290.6 291.9 285.7 311.0 7.15 6 850 1479 6.2 5.8 97 0.4 6.0 160 22 292.6 293.9 286.1 312.2 6.81 7 788 2096 2.2 2.2 100 0.0 2.2 166 20 294.8 295.8 285.8 311.4 5.70 8 700 3046 -2.3 -2.3 100 0.0 -2.3 175 17 299.9 300.8 286.6 313.8 4.62 9 679 3287 -3.7 -3.7 100 0.0 -3.7 175 17 301.0 301.8 286.7 313.9 4.28 10 653 3594 -5.3 -5.5 98 0.2 -5.4 174 18 302.6 303.3 286.9 314.4 3.89 11 614 4075 -7.9 -8.2 98 0.3 -8.0 173 18 305.0 305.6 287.2 315.4 3.35 12 604 4202 -8.7 -9.1 97 0.4 -8.9 173 18 305.5 306.1 287.2 315.4 3.18 13 500 5640 -17.9 -18.9 92 1.0 -18.2 170 20 311.2 311.5 287.7 316.8 1.72 14 479 5960 -20.1 -21.3 90 1.2 -20.4 170 21 312.3 312.6 287.8 317.2 1.46 15 400 7270 -30.7 -32.4 85 1.7 -30.9 170 23 315.1 315.2 287.9 317.3 0.63 16 366 7895 -36.1 -38.2 81 2.1 -36.3 170 24 316.0 316.1 287.9 317.4 0.39 17 300 9240 -48.7 -51.3 74 2.6 -48.8 170 25 316.7 316.7 287.8 317.1 0.11 18 280 9686 -53.1 -55.2 78 2.1 -53.2 174 27 316.7 316.7 287.8 317.0 0.08 19 251 10375 -59.7 -62.4 71 2.7 -59.7 180 31 316.9 317.0 287.8 317.1 0.03 20 250 10400 -59.5 -62.1 72 2.6 -59.5 185 31 317.6 317.6 288.0 317.7 0.04 21 235 10789 -57.5 -62.1 56 4.6 -57.6 200 30 326.3 326.3 290.7 326.5 0.04 22 227 11007 -58.3 -63.3 53 5.0 -58.4 209 30 328.3 328.3 291.3 328.5 0.03 23 200 11800 -60.3 -65.2 52 4.9 -60.4 240 29 337.3 337.3 293.7 337.4 0.03 24 188 12185 -60.9 -65.9 52 5.0 -61.0 243 31 342.3 342.3 294.9 342.4 0.03 25 170 12818 -55.9 -60.7 55 4.8 -56.1 248 35 360.6 360.6 298.9 360.9 0.06 26 150 13610 -57.9 -66.9 31 9.0 -58.1 255 39 370.3 370.3 300.7 370.5 0.03 27 133 14369 -58.1 -74.1 11 16.0 -58.3 252 43 382.9 382.9 302.7 383.0 0.01 28 100 16150 -61.9 -86.9 2 25.0 -62.1 245 52 408.1 408.1 306.3 408.1 0.00 29 96 16403 -60.7 -85.7 2 25.0 -61.0 246 50 415.3 415.3 307.2 415.3 0.00 30 83 17300 -64.7 -88.7 2 24.0 -64.9 248 42 424.8 424.8 308.3 424.8 0.00 31 70 18350 -60.7 -85.7 2 25.0 -61.1 250 32 454.5 454.5 311.3 454.5 0.00 32 62 19107 -58.9 -82.9 3 24.0 -59.5 252 37 474.6 474.6 313.0 474.6 0.01 33 50 20450 -60.3 -83.3 3 23.0 -60.9 255 47 501.4 501.4 315.1 501.4 0.01 34 43 21386 -60.3 -83.3 3 23.0 -60.9 258 52 523.5 523.5 316.5 523.5 0.01 35 36 22500 -56.5 -80.5 3 24.0 -57.6 262 57 560.6 560.6 318.7 560.7 0.02 36 31 23444 -57.5 -81.5 3 24.0 -58.6 265 62 582.4 582.4 319.8 582.6 0.02 37 30 23650 -57.7 -81.7 3 24.0 -58.9 270 54 587.3 587.3 320.0 587.5 0.02 38 27 24314 -58.5 -82.5 3 24.0 -59.7 603.1 603.1 320.7 603.2 0.02 TRP 251 10375 -59.7 -62.4 71 2.7 -59.7 180 31 316.9 317.0 287.8 317.1 0.03 WND 31 23444 -57.5 -81.5 3 24.0 -58.6 265 62 582.4 582.4 319.8 582.6 0.02 Sounding variables and indices 1000-500 mb thick: 5516.00 m Freezing level: 744.98 mb = 2560.51 m = 8400.51 ft Wetbulb zero: 745.33 mb = 2542.70 m = 8342.08 ft Precipitable water: 1.15 inches Sfc-500 mean rel hum: 95.65 % Est. max temperature: 19.76 C = 67.56 F Sfc-Lift cond lev (LCL): 955.59 mb = 506.95 m = 1663.20 ft T: 12.41 C 700-500 lapse rate: 6.01 C/km ThetaE index: 2.39 C Layer 925.0- 886.0 mb Conv cond level (CCL): 918.09 mb = 842.35 m = 2763.59 ft Mean mixing ratio: 8.24 g/kg Conv temperature: 17.50 C = 63.51 F Cap Strength: 1.71 C Lifted Index: 2.94 C Risk: None Lifted Index @300 mb: 3.37 C Lifted Index @700 mb: 0.67 C Showalter Index: 3.00 C Risk: Showers probable Total Totals Index: 47.80 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 24.10 C Cross Totals Index: 23.70 C K Index: 29.90 Risk: 40-60 % chance of thunderstorms Sweat Index: 133.60 Risk: None Energy Index: 0.87 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 15.24 J/kg Max Up Vert Vel: 5.52 m/s Conv Inhibition (B-): 4.51 J/kg Cap Strength: 2.79 C Lift Cond Lev (LCL): 927.59 mb = 756.50 m = 2481.93 ft Lev Free Conv (LFC): 892.59 mb = 1075.94 m = 3529.95 ft Equ Level (EL): 862.59 mb = 1357.87 m = 4454.90 ft B at Equ Level: 8.64 J/kg Max Parcel Lev (MPL): 672.59 mb = 3361.52 m = 11028.48 ft Wind level data Storm motion: 190 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 1010 15 0 0 -0.0 -0.0 | 10 15 -2.6 -14.4 1 1000 124 100 14 -13.8 2.4 | 54 20 -16.4 -12.0 2 925 780 120 26 -22.5 13.0 | 87 25 -25.1 -1.4 3 850 1479 160 22 -7.5 20.7 | 122 12 -10.1 6.3 4 700 3046 175 17 -1.5 16.9 | 122 5 -4.0 2.5 5 500 5640 170 20 -3.5 19.7 | 131 8 -6.0 5.3 6 400 7270 170 23 -4.0 22.7 | 142 11 -6.6 8.3 7 300 9240 170 25 -4.3 24.6 | 146 12 -6.9 10.2 8 251 10375 180 31 0.0 31.0 | 171 17 -2.6 16.6 9 250 10400 185 31 2.7 30.9 | 180 16 0.1 16.5 10 200 11800 240 29 25.1 14.5 | 270 23 22.5 0.1 11 150 13610 255 39 37.7 10.1 | 277 35 35.1 -4.3 12 100 16150 245 52 47.1 22.0 | 260 45 44.6 7.6 13 70 18350 250 32 30.1 10.9 | 277 28 27.5 -3.5 14 50 20450 255 47 45.4 12.2 | 273 43 42.8 -2.2 15 31 23444 265 62 61.8 5.4 | 279 60 59.2 -9.0 16 30 23650 270 54 54.0 -0.0 | 286 53 51.4 -14.4 Wind Parameters Mean winds (0-6000m): 160.1 at 19.5 knts Storm direction: 190.1 at 14.6 knts Shear (0-3000m) pos: 2.9 neg: 0.0 tot: 2.9 10-3/s Storm rel Dir Shear (0-3000m): 112.3 deg Storm rel helicity (0-3000m) pos: 195.4 neg: -0.3 tot: 195.1 m^2/s^2 ave: 65.0 10^-3 m/s^2 rel: 0.72 Storm rel vorticity (0-3000m) horiz: 9.1 stream: 6.5 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 0.44 Bulk Shear: 34.73 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 ------------------------------------------------------------------------------- 500 107 16 61 20| 21.8 0.0 21.8|104.7 0.0 104.7 209.3 0.92| 24.0 22.0 1000 117 20 75 21| 12.7 0.0 12.7|164.5 0.0 164.5 164.5 0.89| 18.0 16.0 1500 127 21 85 20| 7.5 0.0 7.5|194.2 0.0 194.2 129.5 0.82| 15.9 13.0 2000 136 21 93 17| 5.2 0.0 5.2|195.2 0.0 195.2 97.6 0.79| 12.5 9.8 2500 142 21 98 15| 3.8 0.0 3.8|195.4 -0.0 195.4 78.2 0.75| 10.5 7.9 3000 147 20 101 14| 2.9 0.0 2.9|195.4 -0.3 195.1 65.0 0.72| 9.1 6.5 4000 153 20 106 12| 2.2 0.1 2.3|196.0 -0.3 195.7 48.9 0.71| 7.0 5.0 5000 158 19 110 11| 1.8 0.3 2.0|196.6 -0.3 196.3 39.3 0.70| 5.7 4.0 6000 160 19 113 10| 1.5 0.3 1.8|197.8 -0.3 197.5 32.9 0.69| 4.9 3.4 Wrote GIF file: /home/apache/climate/data/raob//LGAT/skewt/LGAT.skewt.20251204.00.gif