UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041712.upa.cvt Date: 1200Z 17 APR 25 Searching for LGAT... Searching the city database file for: LGAT ... Date:1200Z 17 APR 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 1014 15 24.8 6.8 32 18.0 14.4 250 2 296.8 297.9 287.0 314.7 6.11 1 1000 164 22.0 6.0 35 16.0 13.0 180 3 295.1 296.2 286.1 312.3 5.86 2 984 304 22.6 6.6 36 16.0 13.4 169 4 297.1 298.2 287.2 315.4 6.21 3 925 838 19.0 5.0 40 14.0 11.2 125 10 298.7 299.8 287.5 316.2 5.91 4 918 903 19.2 4.2 37 15.0 10.9 128 10 299.6 300.6 287.5 316.4 5.63 5 873 1332 16.2 2.2 39 14.0 8.7 146 11 300.8 301.8 287.5 316.2 5.14 6 850 1559 16.6 -0.4 31 17.0 7.8 155 12 303.5 304.3 287.7 316.9 4.37 7 844 1619 16.4 -1.6 29 18.0 7.3 157 12 303.9 304.7 287.5 316.3 4.03 8 797 2103 12.6 -0.4 41 13.0 5.9 175 10 304.9 305.8 288.5 319.2 4.66 9 700 3179 5.8 -10.2 31 16.0 -0.9 215 6 308.9 309.4 287.7 316.9 2.51 10 692 3273 5.4 -10.6 30 16.0 -1.2 214 6 309.5 309.9 287.9 317.4 2.46 11 665 3596 2.6 -9.4 41 12.0 -2.4 210 8 309.9 310.4 288.3 318.9 2.82 12 617 4196 -2.7 -9.7 59 7.0 -5.5 204 11 310.5 311.1 288.7 320.0 2.97 13 541 5221 -11.7 -14.4 80 2.7 -12.6 192 15 311.7 312.1 288.5 319.2 2.32 14 533 5335 -12.5 -14.5 85 2.0 -13.2 191 16 312.0 312.5 288.6 319.6 2.33 15 500 5820 -15.9 -19.6 73 3.7 -16.9 185 18 313.7 314.0 288.4 319.0 1.62 16 489 5988 -17.1 -23.1 60 6.0 -18.6 190 18 314.2 314.4 288.2 318.3 1.22 17 475 6205 -18.5 -20.3 86 1.8 -19.0 198 18 315.1 315.4 288.9 320.4 1.60 18 419 7133 -24.3 -28.5 68 4.2 -25.1 229 19 319.1 319.3 289.4 322.2 0.87 19 400 7470 -26.9 -39.9 28 13.0 -28.5 240 19 320.0 320.1 289.1 321.1 0.30 20 395 7560 -27.3 -44.3 18 17.0 -29.1 241 19 320.7 320.7 289.2 321.4 0.19 21 300 9470 -43.3 -51.3 41 8.0 -43.7 255 29 324.3 324.4 290.2 324.8 0.11 22 279 9954 -47.5 -52.3 58 4.8 -47.7 243 26 325.1 325.1 290.4 325.5 0.11 23 257 10492 -51.7 -59.7 38 8.0 -51.9 230 23 326.6 326.6 290.8 326.8 0.05 24 250 10670 -53.3 -59.3 48 6.0 -53.4 225 22 326.8 326.8 290.9 327.0 0.05 25 245 10800 -54.3 -59.1 55 4.8 -54.4 226 23 327.2 327.2 291.0 327.4 0.05 26 207 11858 -62.3 -67.3 51 5.0 -62.4 233 36 330.8 330.8 292.0 330.9 0.02 27 200 12070 -62.9 -68.9 44 6.0 -63.0 235 38 333.2 333.2 292.6 333.2 0.02 28 188 12453 -60.5 -71.5 22 11.0 -60.6 343.0 343.0 295.0 343.0 0.01 29 161 13417 -61.3 -79.3 7 18.0 -61.4 357.2 357.2 298.1 357.2 0.00 30 156 13615 -56.9 -76.9 6 20.0 -57.2 367.9 367.9 300.2 367.9 0.01 TRP WND Sounding variables and indices 1000-500 mb thick: 5656.00 m Freezing level: 641.45 mb = 3890.54 m = 12764.10 ft Wetbulb zero: 713.10 mb = 3025.33 m = 9925.51 ft Precipitable water: 0.86 inches Sfc-500 mean rel hum: 48.42 % Est. max temperature: 29.92 C = 85.85 F Sfc-Lift cond lev (LCL): 777.26 mb = 2311.16 m = 7582.44 ft T: 11.29 C 700-500 lapse rate: 8.22 C/km ThetaE index: 2.44 C Layer 1000.0- 984.0 mb Conv cond level (CCL): 641.66 mb = 3882.39 m = 12737.36 ft Mean mixing ratio: 6.01 g/kg Conv temperature: 38.27 C = 100.89 F Cap Strength: 7.97 C Lifted Index: 3.21 C Risk: None Lifted Index @300 mb: 6.78 C Lifted Index @700 mb: 7.42 C Showalter Index: 2.24 C Risk: Showers probable Total Totals Index: 48.00 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 32.50 C Cross Totals Index: 15.50 C K Index: 16.10 Risk: < 20 % chance of thunderstorms Sweat Index: 42.00 Risk: None Energy Index: 0.49 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 14.40 J/kg Max Up Vert Vel: 5.37 m/s Conv Inhibition (B-): 3694.59 J/kg Cap Strength: 7.97 C Lift Cond Lev (LCL): 765.75 mb = 2434.83 m = 7988.19 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 209 at 8 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 1014 15 250 2 1.9 0.7 | 17 7 -1.9 -6.2 1 1000 164 180 3 0.0 3.0 | 44 5 -3.8 -3.9 2 925 838 125 10 -8.2 5.7 | 84 12 -12.0 -1.2 3 850 1559 155 12 -5.1 10.9 | 114 10 -8.9 4.0 4 700 3179 215 6 3.4 4.9 | 11 2 -0.4 -2.0 5 500 5820 185 18 1.6 17.9 | 168 11 -2.3 11.0 6 400 7470 240 19 16.5 9.5 | 258 13 12.6 2.6 7 300 9470 255 29 28.0 7.5 | 269 24 24.2 0.6 8 250 10670 225 22 15.6 15.6 | 234 15 11.7 8.7 9 200 12070 235 38 31.1 21.8 | 241 31 27.3 14.9 Wind Parameters Mean winds (0-6000m): 179.0 at 10.5 knts Storm direction: 209.0 at 7.9 knts Shear (0-3000m) pos: 1.9 neg: 2.0 tot: 3.9 10-3/s Storm rel Dir Shear (0-3000m): 12.0 deg Storm rel helicity (0-3000m) pos: 29.4 neg: -1.4 tot: 28.0 m^2/s^2 ave: 9.3 10^-3 m/s^2 rel: 0.40 Storm rel vorticity (0-3000m) horiz: 4.9 stream: 2.0 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 2.59 Bulk Shear: 5.55 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 ------------------------------------------------------------------------------- 500 166 4 60 6| 0.0 7.4 7.4| 9.3 0.0 9.3 18.6 0.84| 7.7 6.5 1000 137 7 76 9| 0.0 5.9 5.9| 14.5 -0.5 13.9 13.9 0.59| 6.9 4.1 1500 140 8 86 9| 1.5 4.0 5.4| 25.7 -0.5 25.2 16.8 0.67| 6.1 4.1 2000 147 9 94 9| 1.8 3.0 4.8| 29.0 -0.5 28.5 14.3 0.62| 5.6 3.4 2500 153 9 99 8| 1.9 2.4 4.3| 29.4 -0.6 28.7 11.5 0.53| 5.2 2.8 3000 158 9 100 7| 1.9 2.0 3.9| 29.4 -1.4 28.0 9.3 0.40| 4.9 2.0 4000 168 9 105 6| 1.5 1.6 3.1| 29.4 -1.8 27.5 6.9 0.28| 4.3 1.2 5000 177 9 118 5| 1.2 1.8 3.0| 29.4 -3.1 26.2 5.2 0.22| 3.9 0.9 6000 179 11 132 5| 1.1 1.7 2.8| 35.2 -6.6 28.6 4.8 0.20| 3.8 0.8 Wrote GIF file: /home/apache/climate/data/raob//LGAT/skewt/LGAT.skewt.20250417.12.gif