UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041612.upa.cvt Date: 1200Z 16 APR 25 Searching for LGAT... Searching the city database file for: LGAT ... Date:1200Z 16 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 1018 15 20.8 8.8 46 12.0 13.8 245 4 292.5 293.7 286.2 312.5 6.99 1 1015 44 18.4 9.4 56 9.0 13.1 237 4 290.3 291.6 285.7 311.1 7.30 2 1000 192 17.6 8.6 56 9.0 12.4 195 4 290.8 292.0 285.6 310.8 7.02 3 987 303 16.6 7.6 55 9.0 11.5 185 4 290.8 292.0 285.2 309.8 6.64 4 977 390 17.4 7.4 52 10.0 11.7 177 4 292.5 293.7 285.9 311.5 6.62 5 925 856 17.0 5.0 45 12.0 10.3 135 3 296.7 297.8 286.8 314.1 5.91 6 920 902 17.0 6.0 48 11.0 10.8 135 4 297.2 298.3 287.4 315.9 6.38 7 850 1574 13.8 4.8 55 9.0 8.8 135 11 300.6 301.8 288.6 319.5 6.35 8 817 1907 12.6 3.6 54 9.0 7.6 154 10 302.8 303.9 289.0 321.0 6.07 9 798 2104 11.4 2.4 54 9.0 6.5 166 10 303.5 304.6 289.0 320.8 5.71 10 700 3184 3.8 -2.2 65 6.0 0.8 230 7 306.7 307.6 289.0 321.0 4.65 11 665 3598 1.0 -5.0 64 6.0 -1.7 239 8 308.1 308.8 288.9 320.4 3.96 12 617 4195 -3.7 -7.3 76 3.6 -5.3 253 9 309.4 310.0 288.9 320.6 3.58 13 600 4415 -5.7 -8.6 80 2.9 -6.9 257 10 309.5 310.1 288.8 320.0 3.33 14 578 4707 -7.5 -13.5 62 6.0 -9.6 264 10 310.7 311.2 288.2 318.3 2.33 15 555 5022 -10.1 -14.1 72 4.0 -11.5 271 11 311.3 311.7 288.3 318.8 2.31 16 545 5162 -10.9 -14.8 73 3.9 -12.2 275 11 312.0 312.4 288.5 319.2 2.22 17 510 5670 -13.5 -29.5 25 16.0 -17.0 286 13 314.8 314.9 287.8 317.1 0.65 18 500 5820 -14.9 -29.9 27 15.0 -18.0 290 13 314.9 315.0 287.8 317.1 0.64 19 485 6050 -16.7 -24.7 50 8.0 -18.6 290 14 315.4 315.6 288.4 319.0 1.06 20 440 6774 -21.9 -29.9 48 8.0 -23.4 290 17 317.7 317.9 288.8 320.3 0.73 21 425 7028 -23.3 -40.3 20 17.0 -25.5 290 18 319.1 319.2 288.8 320.1 0.27 22 400 7470 -25.7 -43.7 17 18.0 -27.8 290 20 321.6 321.6 289.5 322.3 0.20 23 344 8542 -36.1 -49.1 25 13.0 -37.0 287 27 321.7 321.7 289.4 322.1 0.13 24 300 9480 -42.5 -59.5 14 17.0 -43.1 285 34 325.5 325.5 290.5 325.6 0.04 25 281 9917 -45.9 -59.9 19 14.0 -46.3 290 29 326.7 326.7 290.8 326.9 0.04 26 250 10680 -53.3 -61.3 37 8.0 -53.5 300 19 326.8 326.8 290.9 327.0 0.04 27 245 10810 -54.3 -61.3 42 7.0 -54.4 292 21 327.2 327.2 291.0 327.4 0.04 28 227 11294 -58.5 -64.5 46 6.0 -58.6 260 30 328.0 328.0 291.2 328.1 0.03 29 217 11579 -54.9 -66.9 21 12.0 -55.1 260 34 337.9 337.9 293.8 337.9 0.02 30 200 12100 -55.3 -76.3 6 21.0 -55.6 260 40 345.2 345.2 295.6 345.2 0.01 31 194 12293 -55.9 -77.9 5 22.0 -56.2 259 40 347.3 347.3 296.0 347.3 0.00 32 177 12879 -52.7 -79.7 2 27.0 -53.1 258 40 361.7 361.7 299.0 361.8 0.00 33 150 13930 -58.3 -88.3 1 30.0 -58.6 255 40 369.6 369.6 300.5 369.6 0.00 34 119 15369 -63.3 -91.3 1 28.0 -63.5 261 31 385.7 385.7 303.2 385.7 0.00 35 107 16014 -68.5 -95.5 1 27.0 -68.6 263 27 387.8 387.8 303.5 387.8 0.00 36 101 16360 -67.7 -94.7 1 27.0 -67.8 265 24 395.8 395.8 304.6 395.8 0.00 37 100 16420 -67.5 -94.5 1 27.0 -67.6 265 24 397.3 397.3 304.8 397.3 0.00 38 70 18580 -64.5 -92.5 1 28.0 -64.7 145 2 446.4 446.4 310.5 446.4 0.00 39 64 19127 -63.1 -92.1 1 29.0 -63.4 149 5 461.1 461.1 311.8 461.1 0.00 40 50 20640 -63.3 -91.3 1 28.0 -63.7 160 13 494.3 494.3 314.5 494.3 0.00 41 30 23800 -60.7 -89.7 1 29.0 -61.6 140 13 579.2 579.2 319.6 579.2 0.00 42 28 24232 -61.3 -90.3 1 29.0 -62.1 130 11 589.0 589.0 320.1 589.1 0.00 43 20 26360 -55.5 -86.5 1 31.0 -57.6 80 3 666.3 666.3 323.3 666.4 0.01 44 10 30854 -48.1 -81.1 1 33.0 -54.4 840.0 840.0 328.2 840.5 0.06 TRP 227 11294 -58.5 -64.5 46 6.0 -58.6 260 30 328.0 328.0 291.2 328.1 0.03 WND Sounding variables and indices 1000-500 mb thick: 5628.00 m Freezing level: 654.79 mb = 3725.44 m = 12222.41 ft Wetbulb zero: 688.60 mb = 3316.71 m = 10881.48 ft Precipitable water: 1.03 inches Sfc-500 mean rel hum: 58.53 % Est. max temperature: 28.07 C = 82.53 F Sfc-Lift cond lev (LCL): 851.85 mb = 1555.59 m = 5103.57 ft T: 13.89 C 700-500 lapse rate: 7.09 C/km ThetaE index: 2.72 C Layer 1015.0- 977.0 mb Conv cond level (CCL): 676.48 mb = 3460.08 m = 11351.82 ft Mean mixing ratio: 6.52 g/kg Conv temperature: 36.04 C = 96.87 F Cap Strength: 8.42 C Lifted Index: 6.06 C Risk: None Lifted Index @300 mb: 9.69 C Lifted Index @700 mb: 6.89 C Showalter Index: 1.78 C Risk: Showers probable Total Totals Index: 48.40 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 28.70 C Cross Totals Index: 19.70 C K Index: 27.50 Risk: 40-60 % chance of thunderstorms Sweat Index: 92.60 Risk: None Energy Index: -0.41 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 30.16 J/kg Max Up Vert Vel: 7.77 m/s Conv Inhibition (B-): 45588.51 J/kg Cap Strength: 8.42 C Lift Cond Lev (LCL): 828.53 mb = 1789.15 m = 5869.84 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 265 at 6 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 1018 15 245 4 3.6 1.7 | 112 3 -2.9 1.2 1 1000 192 195 4 1.0 3.9 | 122 6 -5.4 3.4 2 925 856 135 3 -2.1 2.1 | 101 9 -8.6 1.6 3 850 1574 135 11 -7.8 7.8 | 117 16 -14.3 7.3 4 700 3184 230 7 5.4 4.5 | 164 4 -1.1 4.0 5 500 5820 290 13 12.2 -4.4 | 311 8 5.7 -5.0 6 400 7470 290 20 18.8 -6.8 | 301 14 12.3 -7.4 7 300 9480 285 34 32.8 -8.8 | 289 28 26.4 -9.3 8 250 10680 300 19 16.5 -9.5 | 315 14 10.0 -10.0 9 227 11294 260 30 29.5 5.2 | 258 24 23.1 4.7 10 200 12100 260 40 39.4 6.9 | 259 34 32.9 6.4 11 150 13930 255 40 38.6 10.4 | 253 34 32.2 9.8 12 100 16420 265 24 23.9 2.1 | 265 18 17.4 1.6 13 70 18580 145 2 -1.1 1.6 | 98 8 -7.6 1.1 14 50 20640 160 13 -4.4 12.2 | 137 16 -10.9 11.7 15 30 23800 140 13 -8.4 10.0 | 122 18 -14.8 9.4 16 20 26360 80 3 -3.0 -0.5 | 84 9 -9.4 -1.0 Wind Parameters Mean winds (0-6000m): 235.5 at 8.7 knts Storm direction: 265.5 at 6.5 knts Shear (0-3000m) pos: 2.1 neg: 2.1 tot: 4.2 10-3/s Storm rel Dir Shear (0-3000m): 49.3 deg Storm rel helicity (0-3000m) pos: 39.0 neg: -5.7 tot: 33.3 m^2/s^2 ave: 11.1 10^-3 m/s^2 rel: 0.34 Storm rel vorticity (0-3000m) horiz: 4.9 stream: 1.7 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 5.66 Bulk Shear: 5.33 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 ------------------------------------------------------------------------------- 500 194 4 120 6| 0.0 4.9 4.9| 0.8 -2.7 -1.9 -3.8 -0.12| 5.6 -0.7 1000 171 4 114 8| 0.0 3.7 3.7| 2.6 -5.7 -3.1 -3.1 -0.15| 4.5 -0.7 1500 151 5 113 10| 0.0 4.2 4.2| 9.9 -5.7 4.1 2.8 0.06| 4.9 0.3 2000 148 6 116 11| 1.2 3.2 4.3| 25.9 -5.7 20.1 10.1 0.25| 5.0 1.3 2500 155 7 121 11| 1.8 2.5 4.4| 35.5 -5.7 29.8 11.9 0.33| 5.0 1.7 3000 160 7 125 11| 2.1 2.1 4.2| 39.0 -5.7 33.3 11.1 0.34| 4.9 1.7 4000 180 7 136 9| 2.1 1.6 3.7| 42.2 -5.7 36.5 9.1 0.40| 4.3 1.7 5000 206 8 156 7| 2.1 1.3 3.3| 46.4 -5.7 40.7 8.1 0.46| 3.9 1.8 6000 235 9 189 4| 2.0 1.1 3.1| 51.5 -6.3 45.3 7.5 0.47| 3.7 1.7 Wrote GIF file: /home/apache/climate/data/raob//LGAT/skewt/LGAT.skewt.20250416.12.gif