UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041823.upa.cvt Date: 2300Z 18 APR 25 Searching for LGTS... Searching the city database file for: LGTS ... Date:2300Z 18 APR 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 1011 4 11.2 9.0 86 2.2 10.0 150 2 283.5 284.7 282.7 303.2 7.14 1 1000 95 15.8 12.4 80 3.4 13.7 20 4 289.0 290.5 286.9 314.4 9.08 2 992 163 17.4 9.4 59 8.0 12.7 17 5 291.2 292.5 286.2 312.5 7.47 3 976 302 16.8 7.8 55 9.0 11.7 12 7 292.0 293.2 285.8 311.5 6.81 4 925 757 13.8 4.8 55 9.0 8.9 355 15 293.4 294.5 285.4 310.3 5.83 5 919 812 14.0 4.0 51 10.0 8.6 354 15 294.2 295.2 285.4 310.3 5.55 6 909 904 13.4 3.4 51 10.0 8.1 353 14 294.5 295.4 285.4 310.2 5.37 7 893 1053 12.4 2.4 50 10.0 7.2 351 14 294.9 295.9 285.2 309.9 5.09 8 855 1416 10.4 1.4 54 9.0 5.8 346 12 296.5 297.4 285.7 311.2 4.95 9 850 1465 10.0 1.0 54 9.0 5.5 345 12 296.6 297.5 285.7 310.9 4.84 10 787 2099 4.4 -0.6 70 5.0 2.0 286 8 297.2 298.1 285.7 311.0 4.65 11 700 3039 -3.5 -4.7 91 1.2 -4.0 195 3 298.6 299.3 285.4 310.2 3.85 12 694 3107 -4.1 -5.2 92 1.1 -4.6 197 4 298.7 299.4 285.3 309.9 3.74 13 660 3502 -6.7 -10.5 74 3.8 -8.1 208 7 300.1 300.5 284.6 308.1 2.60 14 652 3597 -6.3 -15.3 49 9.0 -9.2 211 8 301.6 301.9 284.2 307.2 1.78 15 639 3755 -5.1 -18.1 35 13.0 -9.1 215 9 304.7 304.9 285.1 309.3 1.44 16 604 4197 -7.7 -21.7 32 14.0 -11.6 228 13 306.6 306.8 285.4 310.3 1.12 17 548 4947 -13.1 -26.1 33 13.0 -16.1 250 20 308.9 309.0 285.9 311.7 0.83 18 527 5244 -14.9 -37.9 12 23.0 -18.6 258 22 310.2 310.2 285.7 311.2 0.28 19 500 5640 -18.1 -40.1 13 22.0 -21.2 270 26 311.0 311.0 285.9 311.8 0.23 20 400 7260 -31.9 -44.9 26 13.0 -33.0 280 33 313.5 313.6 286.8 314.2 0.17 21 358 8032 -38.7 -49.7 30 11.0 -39.3 285 50 314.5 314.5 287.1 314.9 0.11 22 337 8444 -41.9 -53.9 26 12.0 -42.4 287 60 315.6 315.6 287.4 315.9 0.07 23 316 8879 -42.1 -59.7 13 17.5 -42.8 290 70 321.2 321.2 289.2 321.3 0.04 24 300 9230 -42.3 -64.3 7 22.0 -43.0 295 62 325.7 325.7 290.5 325.8 0.02 25 250 10440 -48.5 -74.5 3 26.0 -49.0 290 63 334.0 334.0 292.8 334.0 0.01 26 249 10466 -48.5 -74.5 3 26.0 -49.0 290 62 334.3 334.3 292.9 334.4 0.01 27 237 10793 -48.7 -74.7 3 26.0 -49.2 290 60 338.8 338.8 294.0 338.8 0.01 28 211 11561 -47.7 -78.7 2 31.0 -48.3 290 54 351.8 351.8 297.0 351.8 0.00 29 200 11920 -42.9 -77.9 1 35.0 -43.9 290 51 364.8 364.8 299.7 364.9 0.00 30 175 12810 -48.1 -81.1 1 33.0 -48.8 370.5 370.5 300.7 370.5 0.00 TRP 249 10466 -48.5 -74.5 3 26.0 -49.0 290 62 334.3 334.3 292.9 334.4 0.01 WND 316 8879 -42.1 -59.7 13 17.5 -42.8 290 70 321.2 321.2 289.2 321.3 0.04 Sounding variables and indices 1000-500 mb thick: 5545.00 m Freezing level: 738.54 mb = 2622.34 m = 8603.39 ft Wetbulb zero: 758.00 mb = 2399.99 m = 7873.89 ft Precipitable water: 0.78 inches Sfc-500 mean rel hum: 52.59 % Est. max temperature: 24.06 C = 75.32 F Sfc-Lift cond lev (LCL): 977.94 mb = 285.18 m = 935.61 ft T: 16.87 C 700-500 lapse rate: 5.61 C/km ThetaE index: 4.12 C Layer 992.0- 919.0 mb Conv cond level (CCL): 787.00 mb = 2098.55 m = 6884.92 ft Mean mixing ratio: 6.68 g/kg Conv temperature: 25.01 C = 77.02 F Cap Strength: 4.55 C Lifted Index: 3.59 C Risk: None Lifted Index @300 mb: 10.71 C Lifted Index @700 mb: 0.11 C Showalter Index: 3.62 C Risk: None Total Totals Index: 47.20 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 28.10 C Cross Totals Index: 19.10 C K Index: 27.90 Risk: 40-60 % chance of thunderstorms Sweat Index: 62.00 Risk: None Energy Index: 0.23 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 24.13 J/kg Max Up Vert Vel: 6.95 m/s Conv Inhibition (B-): 211.36 J/kg Cap Strength: 4.55 C Lift Cond Lev (LCL): 850.90 mb = 1456.25 m = 4777.66 ft Lev Free Conv (LFC): 685.90 mb = 3199.41 m = 10496.62 ft Equ Level (EL): 655.90 mb = 3550.74 m = 11649.26 ft B at Equ Level: 22.09 J/kg Max Parcel Lev (MPL): 635.90 mb = 3793.61 m = 12446.07 ft Wind level data Storm motion: 320 at 9 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 1011 4 150 2 -1.0 1.7 | 141 11 -7.1 9.0 1 1000 95 20 4 -1.4 -3.8 | 115 8 -7.5 3.5 2 925 757 355 15 1.3 -14.9 | 32 9 -4.8 -7.7 3 850 1465 345 12 3.1 -11.6 | 35 5 -3.0 -4.4 4 700 3039 195 3 0.8 2.9 | 152 11 -5.4 10.1 5 500 5640 270 26 26.0 -0.0 | 250 21 19.9 7.2 6 400 7260 280 33 32.5 -5.7 | 267 26 26.4 1.5 7 316 8879 290 70 65.8 -23.9 | 286 62 59.6 -16.7 8 300 9230 295 62 56.2 -26.2 | 291 54 50.1 -19.0 9 250 10440 290 63 59.2 -21.5 | 285 55 53.1 -14.3 10 249 10466 290 62 58.3 -21.2 | 285 54 52.1 -14.0 11 200 11920 290 51 47.9 -17.4 | 284 43 41.8 -10.2 Wind Parameters Mean winds (0-6000m): 289.6 at 12.6 knts Storm direction: 319.6 at 9.5 knts Shear (0-3000m) pos: 0.0 neg: 0.4 tot: 0.4 10-3/s Storm rel Dir Shear (0-3000m): 12.0 deg Storm rel helicity (0-3000m) pos: 0.4 neg: -59.2 tot: -58.8 m^2/s^2 ave: -19.6 10^-3 m/s^2 rel: -0.71 Storm rel vorticity (0-3000m) horiz: 7.3 stream: -5.2 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 1.03 Bulk Shear: 23.36 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 10 7 96 7| 0.0 12.9 12.9| 0.0 -25.8 -25.8 -51.6 -0.92| 13.1-12.0 1000 358 10 64 7| 0.0 8.1 8.1| 0.0 -35.8 -35.8 -35.8 -0.88| 9.5 -8.4 1500 354 11 53 6| 0.0 4.7 4.7| 0.4 -36.2 -35.8 -23.8 -0.75| 7.4 -5.6 2000 347 11 48 5| 0.0 2.7 2.7| 0.4 -39.1 -38.6 -19.3 -0.71| 8.0 -5.7 2500 344 10 52 4| 0.0 1.4 1.4| 0.4 -46.7 -46.3 -18.5 -0.69| 7.8 -5.4 3000 348 9 67 5| 0.0 0.4 0.4| 0.4 -59.2 -58.8 -19.6 -0.71| 7.3 -5.2 4000 334 9 75 2| 1.1 0.3 1.4| 29.6 -59.2 -29.6 -7.4 -0.44| 6.7 -2.9 5000 298 10 229 4| 1.9 0.2 2.2| 83.0 -59.2 23.8 4.8 -0.17| 6.6 -1.1 6000 290 13 243 6| 2.3 0.2 2.5|139.7 -59.2 80.5 13.4 -0.01| 6.4 -0.0 Wrote GIF file: /home/apache/climate/data/raob//LGTS/skewt/LGTS.skewt.20250418.23.gif