UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120623.upa.cvt Date: 2300Z 6 DEC 25 Searching for LGTS... Searching the city database file for: LGTS ... Date:2300Z 6 DEC 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 1010 4 11.4 10.5 94 0.9 10.9 125 1 283.7 285.1 283.6 305.5 7.91 1 1000 90 13.2 11.5 89 1.7 12.2 330 4 286.4 287.8 285.4 310.1 8.55 2 991 166 13.8 10.2 79 3.6 11.7 287.7 289.1 285.2 309.8 7.90 3 975 303 12.6 9.1 79 3.5 10.6 287.8 289.1 284.8 308.8 7.45 4 953 495 12.0 8.7 80 3.3 10.2 289.1 290.4 285.4 310.1 7.42 5 925 744 10.2 7.0 81 3.2 8.5 90 11 289.7 290.9 284.9 309.1 6.80 6 908 898 9.0 6.4 84 2.6 7.6 290.0 291.2 284.9 309.0 6.65 7 856 1384 4.8 4.8 100 0.0 4.8 290.6 291.7 284.8 308.6 6.31 8 850 1441 4.6 4.6 100 0.0 4.6 110 11 291.0 292.1 284.9 308.9 6.26 9 819 1742 1.8 1.1 95 0.7 1.5 291.1 292.0 283.7 305.7 5.06 10 783 2104 0.0 0.0 100 0.0 0.0 292.9 293.8 284.2 307.2 4.89 11 713 2848 -4.9 -7.7 81 2.8 -6.0 295.5 296.0 283.2 304.5 3.00 12 700 2993 -5.5 -7.9 83 2.4 -6.4 80 14 296.4 296.9 283.6 305.5 3.01 13 648 3594 -8.5 -8.6 99 0.1 -8.5 299.6 300.2 284.9 309.0 3.08 14 609 4073 -11.5 -11.7 98 0.2 -11.6 301.5 302.0 285.1 309.5 2.56 15 599 4199 -12.7 -13.5 94 0.8 -13.0 301.6 302.0 284.8 308.6 2.25 16 561 4696 -16.3 -16.6 98 0.3 -16.4 303.0 303.4 284.9 308.9 1.86 17 517 5305 -20.7 -22.5 85 1.8 -21.1 304.9 305.1 284.9 308.8 1.21 18 506 5463 -23.3 -34.3 36 11.0 -24.8 303.6 303.7 283.4 305.0 0.41 19 500 5550 -23.5 -32.5 43 9.0 -24.8 185 10 304.4 304.5 283.8 306.1 0.50 20 481 5833 -23.9 -24.6 94 0.7 -24.1 307.3 307.5 285.6 310.9 1.08 21 446 6380 -28.5 -32.7 67 4.2 -29.1 308.2 308.3 285.4 310.1 0.55 22 431 6625 -30.9 -42.9 30 12.0 -32.0 308.2 308.2 284.9 308.9 0.20 23 400 7150 -35.3 -41.3 54 6.0 -35.8 225 6 309.1 309.2 285.3 310.0 0.26 24 340 8258 -44.9 -47.0 79 2.1 -45.0 310.7 310.8 285.8 311.3 0.16 25 300 9080 -52.3 -55.9 65 3.6 -52.4 5 2 311.6 311.6 286.0 311.9 0.07 26 284 9434 -54.3 -61.3 42 7.0 -54.4 313.7 313.7 286.7 313.8 0.04 27 250 10240 -60.9 -65.0 58 4.1 -60.9 255 5 315.5 315.5 287.3 315.6 0.02 28 238 10544 -62.3 -65.8 63 3.5 -62.3 265 10 317.9 317.9 288.1 318.0 0.02 29 236 10596 -61.9 -65.4 63 3.5 -61.9 319.3 319.3 288.5 319.4 0.02 30 228 10809 -62.3 -66.9 54 4.6 -62.3 321.8 321.8 289.3 321.9 0.02 31 200 11620 -60.1 -70.1 26 10.0 -60.2 320 14 337.6 337.6 293.7 337.7 0.02 32 182 12208 -60.1 -72.1 19 12.0 -60.2 346.8 346.8 295.9 346.9 0.01 33 150 13420 -57.7 -72.7 13 15.0 -57.9 305 14 370.7 370.7 300.7 370.7 0.01 34 101 15898 -60.7 -89.7 1 29.0 -61.0 409.3 409.3 306.4 409.3 0.00 35 100 15960 -60.7 -89.7 1 29.0 -61.0 285 24 410.4 410.4 306.6 410.5 0.00 36 84 17051 -56.5 -87.5 1 31.0 -57.1 440.0 440.0 309.8 440.0 0.00 37 70 18200 -58.3 -88.3 1 30.0 -58.8 275 40 459.7 459.7 311.7 459.7 0.00 38 50 20310 -60.1 -89.1 1 29.0 -60.7 275 28 501.9 501.9 315.1 501.9 0.00 39 45 20967 -57.7 -87.7 1 30.0 -58.5 523.0 523.0 316.5 523.1 0.00 40 32 23083 -62.9 -91.9 1 29.0 -63.5 562.7 562.7 318.8 562.7 0.00 41 30 23480 -61.3 -90.3 1 29.0 -62.1 265 58 577.5 577.5 319.5 577.5 0.00 42 27 24136 -59.7 -89.7 1 30.0 -60.7 599.7 599.7 320.6 599.7 0.00 TRP 238 10544 -62.3 -65.8 63 3.5 -62.3 265 10 317.9 317.9 288.1 318.0 0.02 WND 20 265 87 Sounding variables and indices 1000-500 mb thick: 5460.00 m Freezing level: 783.00 mb = 2104.10 m = 6903.15 ft Wetbulb zero: 782.77 mb = 2106.45 m = 6910.85 ft Precipitable water: 0.93 inches Sfc-500 mean rel hum: 89.71 % Est. max temperature: 18.23 C = 64.81 F Sfc-Lift cond lev (LCL): 996.50 mb = 119.57 m = 392.29 ft T: 13.43 C 700-500 lapse rate: 7.04 C/km ThetaE index: 3.18 C Layer 819.0- 783.0 mb Conv cond level (CCL): 891.65 mb = 1047.74 m = 3437.42 ft Mean mixing ratio: 7.41 g/kg Conv temperature: 17.90 C = 64.22 F Cap Strength: 1.47 C Lifted Index: -0.73 C Risk: Thunderstorms probable Lifted Index @300 mb: 1.88 C Lifted Index @700 mb: -1.04 C Showalter Index: -0.49 C Risk: Thunderstorms probable Total Totals Index: 56.20 C Risk: Severe Thunderstorms probable Vertical Totals Index: 28.10 C Cross Totals Index: 28.10 C K Index: 30.30 Risk: 60-80 % chance of thunderstorms Sweat Index: 231.20 Risk: None Energy Index: -0.61 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 102.55 J/kg Max Up Vert Vel: 14.32 m/s Conv Inhibition (B-): 25.32 J/kg Cap Strength: 1.47 C Lift Cond Lev (LCL): 916.08 mb = 824.53 m = 2705.11 ft Lev Free Conv (LFC): 861.08 mb = 1334.85 m = 4379.39 ft Equ Level (EL): 621.08 mb = 3921.39 m = 12865.29 ft B at Equ Level: 90.77 J/kg Max Parcel Lev (MPL): 351.08 mb = 8039.21 m = 26375.03 ft Wind level data ------------------------------------ TRUE/GROUND REL LEV P H DIR SPD U V mb m knt m/s ------------------------------------ 0 20 31383 265 87 86.7 7.6 1 1010 4 125 1 -0.8 0.6 2 1000 90 330 4 2.0 -3.5 3 925 744 90 11 -11.0 0.0 4 850 1441 110 11 -10.3 3.8 5 700 2993 80 14 -13.8 -2.4 6 500 5550 185 10 0.9 10.0 7 400 7150 225 6 4.2 4.2 8 300 9080 5 2 -0.2 -2.0 9 250 10240 255 5 4.8 1.3 10 238 10544 265 10 10.0 0.9 11 200 11620 320 14 9.0 -10.7 12 150 13420 305 14 11.5 -8.0 13 100 15960 285 24 23.2 -6.2 14 70 18200 275 40 39.8 -3.5 15 50 20310 275 28 27.9 -2.4 16 30 23480 265 58 57.8 5.1 Wind Parameters Energy-Hel index: -6.41 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 NO DATA | | | 1000 NO DATA | | | 1500 NO DATA | | | 2000 NO DATA | | | 2500 NO DATA | | | 3000 NO DATA | | | 4000 NO DATA | | | 5000 NO DATA | | | 6000 NO DATA | | | Wrote GIF file: /home/apache/climate/data/raob//LGTS/skewt/LGTS.skewt.20251206.23.gif