UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025043012.upa.cvt Date: 1200Z 30 APR 25 Searching for LGAT... Searching the city database file for: LGAT ... Date:1200Z 30 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 1009 15 17.6 -1.4 27 19.0 8.6 35 4 290.0 290.6 281.3 300.0 3.42 1 1000 118 16.2 -1.8 29 18.0 7.8 35 16 289.4 289.9 280.9 299.1 3.35 2 979 297 14.0 -3.0 31 17.0 6.3 30 20 288.9 289.4 280.4 298.0 3.13 3 939 647 10.8 -3.2 37 14.0 4.6 19 29 289.1 289.7 280.7 298.5 3.21 4 925 772 10.2 -3.8 37 14.0 4.1 15 32 289.7 290.3 280.8 298.9 3.12 5 911 899 9.6 -4.4 37 14.0 3.5 16 31 290.4 290.9 281.0 299.3 3.02 6 850 1470 6.6 -2.4 53 9.0 2.5 20 27 293.1 293.7 283.1 304.1 3.77 7 823 1734 4.8 -0.2 70 5.0 2.4 29 26 293.9 294.7 284.3 307.3 4.58 8 806 1905 5.2 0.2 70 5.0 2.8 35 25 296.1 296.9 285.4 310.3 4.82 9 787 2099 3.6 -0.4 75 4.0 1.7 42 23 296.4 297.2 285.4 310.3 4.72 10 768 2297 2.0 -0.4 84 2.4 0.8 49 22 296.7 297.6 285.7 311.0 4.84 11 700 3039 -2.7 -5.2 83 2.5 -3.8 75 18 299.5 300.2 285.6 310.7 3.71 12 657 3538 -6.5 -11.5 68 5.0 -8.3 71 20 300.7 301.1 284.6 308.2 2.41 13 652 3598 -6.7 -9.4 81 2.7 -7.7 71 20 301.1 301.6 285.3 310.0 2.87 14 603 4204 -10.7 -14.0 77 3.3 -11.8 66 22 303.3 303.7 285.3 310.1 2.15 15 550 4906 -14.9 -18.9 71 4.0 -16.0 61 25 306.4 306.7 285.8 311.4 1.56 16 535 5115 -16.7 -19.2 81 2.5 -17.4 59 26 306.7 307.0 285.9 311.7 1.56 17 500 5620 -20.5 -24.8 68 4.3 -21.4 55 28 308.0 308.2 285.8 311.4 1.02 18 489 5784 -21.7 -29.7 48 8.0 -23.1 52 28 308.5 308.7 285.6 310.8 0.67 19 457 6279 -25.7 -27.5 85 1.8 -26.0 43 28 309.6 309.7 286.2 312.5 0.87 20 400 7230 -33.3 -36.2 75 2.9 -33.6 25 29 311.7 311.8 286.5 313.2 0.43 21 378 7624 -36.3 -46.3 35 10.0 -37.0 28 31 312.8 312.9 286.5 313.4 0.16 22 355 8056 -39.9 -52.9 24 13.0 -40.5 31 33 313.7 313.7 286.7 314.0 0.08 23 313 8901 -47.5 -51.9 60 4.4 -47.7 38 37 314.6 314.6 287.1 314.9 0.10 24 300 9180 -49.3 -56.3 44 7.0 -49.5 40 38 315.9 315.9 287.5 316.1 0.06 25 292 9358 -49.5 -61.5 23 12.0 -49.8 37 34 318.0 318.0 288.1 318.2 0.03 26 274 9773 -51.5 -62.5 26 11.0 -51.7 30 26 321.0 321.0 289.1 321.1 0.03 27 250 10370 -51.1 -67.1 13 16.0 -51.4 20 13 330.1 330.1 291.7 330.2 0.02 28 234 10797 -54.5 -68.5 16 14.0 -54.7 25 11 331.2 331.3 292.1 331.3 0.02 29 217 11279 -56.1 -71.1 14 15.0 -56.3 30 9 336.0 336.0 293.3 336.0 0.01 30 200 11800 -54.9 -72.9 9 18.0 -55.2 0 0 345.8 345.8 295.7 345.9 0.01 31 181 12435 -55.7 -77.7 5 22.0 -56.0 332 6 354.5 354.5 297.6 354.6 0.01 32 171 12798 -52.3 -77.3 3 25.0 -52.7 316 10 366.0 366.0 299.8 366.0 0.01 33 150 13640 -54.1 -83.1 2 29.0 -54.5 280 18 376.9 376.9 301.8 376.9 0.00 34 101 16157 -57.1 -87.1 1 30.0 -57.5 260 21 416.2 416.2 307.3 416.2 0.00 35 100 16220 -57.1 -87.1 1 30.0 -57.5 260 21 417.4 417.4 307.4 417.4 0.00 36 70 18480 -58.1 -88.1 1 30.0 -58.6 250 14 460.1 460.1 311.8 460.1 0.00 37 62 19238 -59.7 -89.7 1 30.0 -60.2 248 13 472.8 472.8 312.9 472.8 0.00 38 57 19766 -56.3 -87.3 1 31.0 -57.1 247 12 492.0 492.0 314.4 492.0 0.00 39 50 20590 -58.9 -88.9 1 30.0 -59.6 245 11 504.7 504.7 315.3 504.7 0.00 40 41 21841 -57.1 -87.1 1 30.0 -58.0 538.6 538.6 317.5 538.7 0.00 TRP 217 11279 -56.1 -71.1 14 15.0 -56.3 30 9 336.0 336.0 293.3 336.0 0.01 WND Sounding variables and indices 1000-500 mb thick: 5502.00 m Freezing level: 739.06 mb = 2612.65 m = 8571.57 ft Wetbulb zero: 755.66 mb = 2426.51 m = 7960.91 ft Precipitable water: 0.68 inches Sfc-500 mean rel hum: 66.73 % Est. max temperature: 20.26 C = 68.46 F Sfc-Lift cond lev (LCL): 757.93 mb = 2402.46 m = 7881.98 ft T: 1.33 C 700-500 lapse rate: 6.90 C/km ThetaE index: 2.88 C Layer 700.0- 652.0 mb Conv cond level (CCL): 628.27 mb = 3885.63 m = 12747.99 ft Mean mixing ratio: 3.18 g/kg Conv temperature: 29.79 C = 85.62 F Cap Strength: 9.22 C Lifted Index: 9.42 C Risk: None Lifted Index @300 mb: 12.32 C Lifted Index @700 mb: 7.53 C Showalter Index: 5.61 C Risk: None Total Totals Index: 45.20 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 27.10 C Cross Totals Index: 18.10 C K Index: 22.20 Risk: 20-40 % chance of thunderstorms Sweat Index: 82.00 Risk: None Energy Index: 1.53 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 5.15 J/kg Max Up Vert Vel: 3.21 m/s Conv Inhibition (B-): 32196.57 J/kg Cap Strength: 9.39 C Lift Cond Lev (LCL): 754.18 mb = 2442.21 m = 8012.39 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 76 at 18 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 1009 15 35 4 -2.3 -3.3 | 266 15 15.1 1.0 1 1000 118 35 16 -9.2 -13.1 | 317 12 8.2 -8.8 2 925 772 15 32 -8.3 -30.9 | 341 28 9.1 -26.6 3 850 1470 20 27 -9.2 -25.4 | 339 23 8.2 -21.1 4 700 3039 75 18 -17.4 -4.7 | 358 0 0.0 -0.4 5 500 5620 55 28 -22.9 -16.1 | 25 13 -5.5 -11.8 6 400 7230 25 29 -12.3 -26.3 | 347 23 5.1 -22.0 7 300 9180 40 38 -24.4 -29.1 | 16 26 -7.0 -24.8 8 250 10370 20 13 -4.4 -12.2 | 302 15 13.0 -7.9 9 217 11279 30 9 -4.5 -7.8 | 285 13 12.9 -3.5 10 200 11800 0 0 -0.0 -0.0 | 256 18 17.4 4.3 11 150 13640 280 18 17.7 -3.1 | 268 35 35.1 1.1 12 100 16220 260 21 20.7 3.6 | 258 39 38.1 7.9 13 70 18480 250 14 13.2 4.8 | 253 32 30.6 9.1 14 50 20590 245 11 10.0 4.6 | 252 29 27.4 8.9 Wind Parameters Mean winds (0-6000m): 46.2 at 23.9 knts Storm direction: 76.2 at 17.9 knts Shear (0-3000m) pos: 4.4 neg: 4.5 tot: 8.9 10-3/s Storm rel Dir Shear (0-3000m): 97.7 deg Storm rel helicity (0-3000m) pos: 90.5 neg: -5.7 tot: 84.8 m^2/s^2 ave: 28.3 10^-3 m/s^2 rel: 0.41 Storm rel vorticity (0-3000m) horiz: 10.0 stream: 4.1 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.57 Bulk Shear: 8.98 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 28 19 326 15| 0.0 22.4 22.4| 60.7 0.0 60.7 121.4 0.77| 23.7 18.3 1000 20 25 335 21| 0.0 13.6 13.6| 65.5 -1.5 64.0 64.0 0.58| 16.4 9.4 1500 19 26 337 22| 1.5 9.1 10.5| 67.1 -5.6 61.5 41.0 0.50| 12.4 6.2 2000 22 26 339 21| 3.1 6.8 10.0| 83.9 -5.6 78.2 39.1 0.48| 11.4 5.5 2500 26 25 341 19| 4.0 5.5 9.5| 89.7 -5.6 84.1 33.6 0.45| 10.7 4.8 3000 30 24 342 18| 4.4 4.5 8.9| 90.5 -5.7 84.8 28.3 0.41| 10.0 4.1 4000 38 23 348 14| 3.3 3.9 7.2| 90.6 -5.7 84.9 21.2 0.39| 8.1 3.1 5000 44 23 354 12| 2.6 3.7 6.3| 90.6 -7.0 83.6 16.7 0.35| 7.0 2.4 6000 46 24 359 12| 2.2 3.5 5.7| 90.6 -20.1 70.6 11.8 0.27| 6.4 1.7 Wrote GIF file: /home/apache/climate/data/raob//LGAT/skewt/LGAT.skewt.20250430.12.gif