UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101823.upa.cvt Date: 2300Z 18 OCT 25 Searching for LGTS... Searching the city database file for: LGTS ... Date:2300Z 18 OCT 25 Station: LGTS WMO ident: 16622 Latitude: 40.52 Longitude: 22.97 Elevation: 4.00 ------------------------------------------------------------------------------- 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 1020 4 15.6 10.6 72 5.0 12.7 355 7 287.1 288.5 285.0 309.2 7.88 1 1016 38 16.8 10.8 68 6.0 13.3 354 9 288.6 290.0 285.8 311.2 8.02 2 1000 173 15.6 10.6 72 5.0 12.7 350 17 288.8 290.2 285.8 311.4 8.04 3 985 301 14.8 9.8 72 5.0 11.9 344 15 289.2 290.6 285.7 311.0 7.74 4 930 787 13.0 10.1 83 2.9 11.3 322 9 292.2 293.6 287.4 316.0 8.37 5 925 832 12.6 9.7 82 2.9 10.9 320 8 292.2 293.7 287.3 315.6 8.19 6 918 896 12.0 9.4 84 2.6 10.5 319 9 292.2 293.7 287.2 315.3 8.08 7 850 1536 8.4 6.5 88 1.9 7.3 310 15 294.9 296.2 287.3 315.7 7.16 8 794 2096 4.8 2.5 85 2.3 3.6 310 12 296.9 297.9 286.7 313.9 5.78 9 709 3009 -2.1 -3.5 90 1.4 -2.7 310 7 299.1 299.8 285.9 311.6 4.16 10 700 3111 -2.5 -4.1 89 1.6 -3.2 310 6 299.7 300.5 286.0 311.9 4.03 11 691 3213 -3.1 -5.2 85 2.1 -4.0 308 8 300.2 300.8 285.9 311.5 3.76 12 678 3364 -1.9 -17.9 28 16.0 -7.0 306 10 303.1 303.4 284.4 307.6 1.38 13 664 3529 -2.7 -24.7 17 22.0 -8.5 303 13 304.1 304.2 284.0 306.6 0.78 14 658 3601 -3.1 -25.1 16 22.0 -8.9 302 14 304.4 304.5 284.1 306.9 0.76 15 610 4195 -6.5 -32.5 11 26.0 -12.0 292 24 307.1 307.2 284.8 308.6 0.41 16 595 4389 -6.9 -39.9 5 33.0 -12.8 288 28 308.9 308.9 285.2 309.6 0.20 17 518 5453 -14.5 -40.5 9 26.0 -18.4 270 46 312.2 312.2 286.4 313.0 0.22 18 513 5526 -14.7 -44.7 6 30.0 -18.8 268 48 312.8 312.8 286.5 313.3 0.14 19 500 5720 -15.1 -34.1 18 19.0 -18.6 265 51 314.6 314.7 287.5 316.1 0.43 20 451 6493 -20.7 -25.7 64 5.0 -21.8 265 53 317.0 317.2 288.9 320.6 1.05 21 410 7191 -26.1 -36.1 39 10.0 -27.5 265 55 318.8 318.9 288.8 320.3 0.43 22 400 7370 -27.5 -37.5 38 10.0 -28.8 265 56 319.2 319.3 288.9 320.6 0.38 23 339 8519 -37.3 -43.3 54 6.0 -37.8 268 66 321.4 321.4 289.5 322.3 0.24 24 323 8846 -40.1 -41.9 83 1.8 -40.2 269 69 322.0 322.0 289.7 323.1 0.30 25 300 9340 -43.7 -50.7 46 7.0 -44.0 270 73 323.8 323.8 290.0 324.2 0.12 26 253 10463 -53.1 -57.0 62 3.9 -53.2 270 80 326.0 326.0 290.6 326.3 0.07 27 250 10540 -53.5 -57.4 62 3.9 -53.6 270 80 326.5 326.5 290.8 326.8 0.07 TRP WND Sounding variables and indices 1000-500 mb thick: 5547.00 m Freezing level: 734.87 mb = 2731.46 m = 8961.36 ft Wetbulb zero: 745.73 mb = 2602.10 m = 8536.96 ft Precipitable water: 0.96 inches Sfc-500 mean rel hum: 51.85 % Est. max temperature: 22.64 C = 72.76 F Sfc-Lift cond lev (LCL): 946.46 mb = 638.43 m = 2094.55 ft T: 13.55 C 700-500 lapse rate: 4.83 C/km ThetaE index: 4.11 C Layer 794.0- 700.0 mb Conv cond level (CCL): 844.97 mb = 1584.80 m = 5199.42 ft Mean mixing ratio: 8.04 g/kg Conv temperature: 23.65 C = 74.56 F Cap Strength: 4.32 C Lifted Index: 5.39 C Risk: None Lifted Index @300 mb: 7.96 C Lifted Index @700 mb: 0.18 C Showalter Index: 3.75 C Risk: None Total Totals Index: 45.10 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 23.50 C Cross Totals Index: 21.60 C K Index: 28.40 Risk: 40-60 % chance of thunderstorms Sweat Index: 159.00 Risk: None Energy Index: 0.09 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 14.64 J/kg Max Up Vert Vel: 5.41 m/s Conv Inhibition (B-): 1737.38 J/kg Cap Strength: 4.68 C Lift Cond Lev (LCL): 908.52 mb = 982.01 m = 3221.76 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 312 at 16 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 1020 4 355 7 0.6 -7.0 | 107 12 -11.1 3.4 1 1000 173 350 17 3.0 -16.7 | 54 11 -8.7 -6.3 2 925 832 320 8 5.1 -6.1 | 123 8 -6.5 4.3 3 850 1536 310 15 11.5 -9.6 | 166 1 -0.2 0.8 4 700 3111 310 6 4.6 -3.9 | 133 10 -7.1 6.6 5 500 5720 265 51 50.8 4.4 | 249 42 39.1 14.9 6 400 7370 265 56 55.8 4.9 | 251 47 44.1 15.3 7 300 9340 270 73 73.0 -0.0 | 260 62 61.3 10.4 8 250 10540 270 80 80.0 -0.0 | 261 69 68.3 10.4 Wind Parameters Mean winds (0-6000m): 281.7 at 20.9 knts Storm direction: 311.7 at 15.7 knts Shear (0-3000m) pos: 0.0 neg: 0.9 tot: 0.9 10-3/s Storm rel Dir Shear (0-3000m): 25.7 deg Storm rel helicity (0-3000m) pos: 16.1 neg: -27.1 tot: -10.9 m^2/s^2 ave: -3.6 10^-3 m/s^2 rel: -0.04 Storm rel vorticity (0-3000m) horiz: 6.0 stream: -0.2 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.29 Bulk Shear: 49.73 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 ------------------------------------------------------------------------------- 500 346 14 70 9| 0.0 6.6 6.6| 7.5 -26.0 -18.5 -37.0 -0.40| 15.6 -6.2 1000 340 12 85 8| 0.0 3.1 3.1| 15.6 -26.1 -10.4 -10.4 -0.06| 11.1 -0.7 1500 330 12 91 6| 0.0 3.7 3.7| 16.1 -26.1 -9.9 -6.6 -0.02| 9.2 -0.2 2000 324 12 95 5| 0.0 2.3 2.3| 16.1 -26.3 -10.2 -5.1 -0.03| 7.5 -0.2 2500 322 12 103 4| 0.0 1.4 1.4| 16.1 -26.7 -10.6 -4.2 -0.04| 6.6 -0.2 3000 320 11 111 5| 0.0 0.9 0.9| 16.1 -27.1 -10.9 -3.6 -0.04| 6.0 -0.2 4000 314 12 124 4| 0.0 2.4 2.4| 26.8 -27.1 -0.3 -0.1 0.15| 6.6 1.0 5000 298 15 212 4| 0.0 3.9 3.9| 28.7 -38.4 -9.7 -1.9 0.09| 7.3 0.7 6000 282 21 235 11| 0.0 4.5 4.5| 30.5 -89.5 -59.0 -9.8 0.01| 7.5 0.1 Wrote GIF file: /home/apache/climate/data/raob//LGTS/skewt/LGTS.skewt.20251018.23.gif