UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2026010812.upa.cvt Date: 1200Z 8 JAN 26 Searching for LGAT... Searching the city database file for: LGAT ... Date:1200Z 8 JAN 26 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 1002 15 14.2 5.2 55 9.0 9.5 0 0 287.2 288.2 282.5 302.8 5.53 1 983 182 11.6 3.6 58 8.0 7.6 290 22 286.1 287.0 281.5 300.4 5.04 2 972 280 10.8 3.8 62 7.0 7.3 286 22 286.3 287.2 281.7 300.9 5.17 3 925 707 8.0 1.0 61 7.0 4.6 270 23 287.5 288.3 281.4 300.2 4.44 4 904 896 6.2 0.2 65 6.0 3.4 267 26 287.5 288.3 281.3 299.8 4.29 5 868 1227 3.4 -1.2 72 4.6 1.3 262 31 288.0 288.7 281.1 299.6 4.03 6 850 1397 2.0 -4.0 64 6.0 -0.5 260 34 288.2 288.8 280.4 297.9 3.34 7 799 1892 -2.5 -7.5 68 5.0 -4.4 263 42 288.6 289.1 279.8 296.6 2.72 8 778 2103 -3.9 -9.9 63 6.0 -6.0 265 45 289.3 289.7 279.6 296.1 2.31 9 700 2930 -8.3 -25.3 24 17.0 -12.1 270 59 293.3 293.4 279.3 295.5 0.70 10 641 3605 -14.1 -32.1 20 18.0 -17.1 267 60 294.2 294.3 279.3 295.5 0.40 11 592 4201 -19.5 -33.5 28 14.0 -21.5 265 60 294.7 294.7 279.5 295.9 0.38 12 522 5121 -27.1 -39.1 31 12.0 -28.3 261 62 296.3 296.4 280.1 297.2 0.25 13 500 5430 -28.3 -43.3 22 15.0 -29.6 260 62 298.5 298.6 281.0 299.1 0.17 14 479 5738 -29.3 -50.3 11 21.0 -30.7 259 64 301.0 301.0 281.8 301.3 0.08 15 469 5889 -28.3 -53.3 7 25.0 -29.9 259 64 304.0 304.1 283.1 304.3 0.06 16 457 6075 -29.5 -56.5 6 27.0 -31.0 258 65 304.8 304.8 283.4 305.0 0.04 17 445 6267 -27.9 -55.9 5 28.0 -29.7 257 66 309.2 309.2 285.1 309.3 0.04 18 426 6579 -30.3 -59.3 4 29.0 -31.9 256 68 310.0 310.0 285.4 310.1 0.03 19 410 6853 -28.7 -59.7 3 31.0 -30.6 256 69 315.5 315.5 287.3 315.6 0.03 20 400 7030 -30.1 -61.1 3 31.0 -31.8 255 70 315.9 315.9 287.4 316.0 0.03 21 383 7338 -31.9 -59.9 5 28.0 -33.4 253 75 317.4 317.5 287.9 317.6 0.03 22 324 8492 -43.1 -64.1 8 21.0 -43.7 248 93 317.5 317.5 288.0 317.6 0.02 23 300 9010 -43.7 -67.7 5 24.0 -44.3 245 102 323.8 323.8 289.9 323.8 0.01 24 289 9260 -45.1 -69.1 5 24.0 -45.7 325.2 325.2 290.3 325.3 0.01 25 287 9307 -44.9 -69.1 5 24.2 -45.4 245 114 326.2 326.2 290.6 326.3 0.01 26 281 9448 -44.1 -69.1 5 25.0 -44.7 329.3 329.3 291.5 329.4 0.01 TRP WND 287 9307 -44.9 -69.1 5 24.2 -45.4 245 114 326.2 326.2 290.6 326.3 0.01 Sounding variables and indices 1000-500 mb thick: 5397.55 m Freezing level: 827.33 mb = 1617.04 m = 5305.18 ft Wetbulb zero: 854.95 mb = 1350.00 m = 4429.07 ft Precipitable water: 0.44 inches Sfc-500 mean rel hum: 42.65 % Est. max temperature: 15.23 C = 59.41 F Sfc-Lift cond lev (LCL): 874.89 mb = 1162.91 m = 3815.28 ft T: 3.94 C 700-500 lapse rate: 8.00 C/km ThetaE index: 5.35 C Layer 925.0- 592.0 mb Conv cond level (CCL): 834.66 mb = 1542.72 m = 5061.35 ft Mean mixing ratio: 4.82 g/kg Conv temperature: 15.37 C = 59.66 F Cap Strength: 1.23 C Lifted Index: 0.22 C Risk: Showers probable Lifted Index @300 mb: 16.51 C Lifted Index @700 mb: 0.76 C Showalter Index: 2.12 C Risk: Showers probable Total Totals Index: 54.60 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 30.30 C Cross Totals Index: 24.30 C K Index: 9.30 Risk: None Sweat Index: 242.00 Risk: None Energy Index: 0.23 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 71.54 J/kg Max Up Vert Vel: 11.96 m/s Conv Inhibition (B-): 28.45 J/kg Cap Strength: 1.23 C Lift Cond Lev (LCL): 852.51 mb = 1373.13 m = 4504.96 ft Lev Free Conv (LFC): 807.51 mb = 1807.31 m = 5929.42 ft Equ Level (EL): 747.51 mb = 2415.88 m = 7926.01 ft B at Equ Level: 8.67 J/kg Max Parcel Lev (MPL): 697.51 mb = 2957.30 m = 9702.31 ft Wind level data Storm motion: 295 at 37 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 1002 15 0 0 -0.0 -0.0 | 115 37 -33.9 15.9 1 1000 0 295 22 19.9 -9.3 | 115 15 -14.0 6.6 2 925 707 270 23 23.0 -0.0 | 146 19 -10.9 15.9 3 850 1397 260 34 33.5 5.9 | 179 22 -0.4 21.8 4 700 2930 270 59 59.0 -0.0 | 238 30 25.1 15.9 5 500 5430 260 62 61.1 10.8 | 225 38 27.2 26.7 6 400 7030 255 70 67.6 18.1 | 225 48 33.7 34.1 7 300 9010 245 102 92.4 43.1 | 225 83 58.5 59.0 Wind Parameters Mean winds (0-6000m): 265.2 at 49.9 knts Storm direction: 295.2 at 37.5 knts Shear (0-3000m) pos: 4.2 neg: 3.7 tot: 7.8 10-3/s Storm rel Dir Shear (0-3000m): 120.9 deg Storm rel helicity (0-3000m) pos: 251.3 neg: -0.2 tot: 251.2 m^2/s^2 ave: 83.7 10^-3 m/s^2 rel: 0.92 Storm rel vorticity (0-3000m) horiz: 8.2 stream: 7.6 10^-3/s Energy-Hel index: 0.07 Bulk Rich Number: 0.60 Bulk Shear: 119.08 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 ------------------------------------------------------------------------------- 500 286 22 129 16| 0.0 7.1 7.1| 27.5 0.0 27.5 55.0 0.94| 7.1 6.7 1000 277 23 141 17| 0.0 7.1 7.1| 63.5 0.0 63.5 63.5 0.92| 7.7 7.1 1500 270 26 155 18| 0.0 7.3 7.3|107.6 0.0 107.6 71.7 0.93| 8.1 7.5 2000 268 30 167 18| 2.2 5.5 7.7|156.5 0.0 156.5 78.3 0.94| 8.2 7.8 2500 267 34 179 18| 3.5 4.4 7.9|207.7 0.0 207.7 83.1 0.94| 8.4 7.9 3000 268 38 192 18| 4.2 3.7 7.8|251.3 -0.2 251.2 83.7 0.92| 8.2 7.6 4000 268 43 208 20| 3.1 3.2 6.4|251.3 -23.9 227.4 56.9 0.79| 6.7 5.3 5000 267 47 215 23| 2.5 3.0 5.5|251.3 -50.3 201.0 40.2 0.68| 5.8 4.0 6000 265 50 218 26| 2.1 2.9 5.0|251.3 -62.8 188.5 31.4 0.60| 5.3 3.2 Wrote GIF file: /home/apache/climate/data/raob//LGAT/skewt/LGAT.skewt.20260108.12.gif