UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025122523.upa.cvt Date: 2300Z 25 DEC 25 Searching for LGTS... Searching the city database file for: LGTS ... Date:2300Z 25 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 1024 4 9.8 6.2 78 3.6 7.9 190 9 281.0 282.0 280.0 297.0 5.81 1 1000 199 9.8 6.0 77 3.8 7.8 115 9 283.0 284.0 281.0 299.2 5.86 2 988 299 9.2 5.8 79 3.4 7.5 105 9 283.3 284.3 281.1 299.6 5.85 3 925 841 4.8 4.0 95 0.8 4.4 50 10 284.2 285.2 281.1 299.6 5.51 4 918 903 4.4 3.8 96 0.6 4.1 60 9 284.4 285.4 281.2 299.7 5.47 5 897 1091 2.8 2.7 99 0.1 2.8 92 7 284.7 285.6 281.0 299.2 5.18 6 850 1526 1.4 1.4 100 0.0 1.4 165 3 287.6 288.5 282.1 301.8 4.98 7 813 1883 -0.3 -0.3 100 0.0 -0.3 160 4 289.5 290.3 282.5 302.7 4.60 8 803 1982 -0.5 -0.6 99 0.1 -0.6 159 5 290.3 291.1 282.8 303.5 4.56 9 791 2103 -1.3 -1.6 98 0.3 -1.4 158 5 290.7 291.5 282.7 303.2 4.30 10 700 3067 -7.1 -7.6 96 0.5 -7.3 145 9 294.6 295.2 282.9 303.8 3.08 11 672 3384 -8.9 -9.5 95 0.6 -9.1 156 10 296.1 296.6 283.2 304.4 2.77 12 653 3605 -10.9 -11.6 95 0.7 -11.1 164 10 296.2 296.7 282.8 303.6 2.41 13 636 3806 -14.1 -17.5 75 3.4 -15.0 171 11 294.8 295.1 281.1 299.5 1.52 14 623 3963 -13.3 -14.3 92 1.0 -13.6 176 11 297.5 297.9 282.9 303.7 2.03 15 604 4198 -14.9 -17.1 83 2.2 -15.5 184 12 298.3 298.6 282.8 303.5 1.66 16 600 4249 -15.3 -17.5 83 2.2 -15.9 186 12 298.4 298.7 282.8 303.4 1.61 17 532 5146 -21.5 -22.2 94 0.7 -21.7 218 14 301.4 301.7 283.5 305.3 1.21 18 500 5600 -24.9 -27.8 77 2.9 -25.4 235 15 302.7 302.8 283.5 305.2 0.78 19 485 5821 -26.5 -29.1 79 2.6 -26.9 234 14 303.4 303.5 283.7 305.7 0.71 20 430 6678 -34.1 -38.8 62 4.7 -34.5 228 12 304.3 304.4 283.5 305.4 0.31 21 400 7180 -38.5 -42.6 65 4.1 -38.8 225 11 305.0 305.0 283.7 305.7 0.22 22 376 7601 -42.7 -46.1 69 3.4 -42.9 304.8 304.9 283.5 305.4 0.16 TRP WND Sounding variables and indices 1000-500 mb thick: 5401.00 m Freezing level: 819.53 mb = 1820.33 m = 5972.14 ft Wetbulb zero: 820.10 mb = 1813.55 m = 5949.91 ft Precipitable water: 0.79 inches Sfc-500 mean rel hum: 91.67 % Est. max temperature: 14.88 C = 58.79 F Sfc-Lift cond lev (LCL): 969.48 mb = 454.80 m = 1492.11 ft T: 7.94 C 700-500 lapse rate: 7.03 C/km ThetaE index: 0.54 C Layer 897.0- 850.0 mb Conv cond level (CCL): 919.09 mb = 893.25 m = 2930.57 ft Mean mixing ratio: 5.74 g/kg Conv temperature: 13.18 C = 55.73 F Cap Strength: 4.20 C Lifted Index: 4.61 C Risk: None Lifted Index @700 mb: 2.78 C Showalter Index: 2.82 C Risk: Showers probable Total Totals Index: 52.60 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 26.30 C Cross Totals Index: 26.30 C K Index: 27.20 Risk: 40-60 % chance of thunderstorms Sweat Index: 109.80 Risk: None Energy Index: 0.67 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 9.36 J/kg Max Up Vert Vel: 4.33 m/s Conv Inhibition (B-): 833.76 J/kg Cap Strength: 4.51 C Lift Cond Lev (LCL): 934.47 mb = 757.25 m = 2484.39 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 213 at 7 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 1024 4 190 9 1.6 8.9 | 139 4 -2.4 2.7 1 1000 199 115 9 -8.2 3.8 | 79 12 -12.1 -2.3 2 925 841 50 10 -7.7 -6.4 | 43 17 -11.6 -12.6 3 850 1526 165 3 -0.8 2.9 | 55 6 -4.7 -3.2 4 700 3067 145 9 -5.2 7.4 | 98 9 -9.1 1.2 5 500 5600 235 15 12.3 8.6 | 254 9 8.4 2.5 6 400 7180 225 11 7.8 7.8 | 247 4 3.9 1.6 Wind Parameters Mean winds (0-6000m): 182.6 at 9.7 knts Storm direction: 212.6 at 7.3 knts Shear (0-3000m) pos: 1.5 neg: 2.6 tot: 4.1 10-3/s Storm rel Dir Shear (0-3000m): -42.0 deg Storm rel helicity (0-3000m) pos: 30.3 neg: -53.6 tot: -23.3 m^2/s^2 ave: -7.8 10^-3 m/s^2 rel: -0.19 Storm rel vorticity (0-3000m) horiz: 7.2 stream: -1.4 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.67 Bulk Shear: 13.86 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 ------------------------------------------------------------------------------- 500 117 9 81 12| 0.0 15.2 15.2| 0.0 -30.6 -30.6 -61.1 -0.72| 17.4-12.5 1000 88 9 64 15| 0.0 7.4 7.4| 13.3 -51.1 -37.8 -37.8 -0.53| 13.4 -7.1 1500 85 8 60 14| 3.0 4.9 7.9| 22.8 -53.6 -30.8 -20.5 -0.34| 12.4 -4.2 2000 95 7 64 12| 2.2 3.6 5.8| 25.2 -53.6 -28.4 -14.2 -0.28| 9.7 -2.7 2500 108 7 69 11| 1.8 2.9 4.7| 28.0 -53.6 -25.6 -10.2 -0.23| 8.2 -1.9 3000 118 7 74 10| 1.5 2.6 4.1| 30.3 -53.6 -23.3 -7.8 -0.19| 7.2 -1.4 4000 135 8 86 9| 1.9 1.9 3.8| 42.5 -53.6 -11.1 -2.8 -0.04| 6.2 -0.3 5000 157 9 105 8| 2.2 1.5 3.8| 55.0 -53.6 1.4 0.3 0.10| 5.8 0.6 6000 183 10 136 5| 2.0 1.3 3.3| 64.6 -54.2 10.4 1.7 0.17| 5.4 0.9 Wrote GIF file: /home/apache/climate/data/raob//LGTS/skewt/LGTS.skewt.20251225.23.gif