UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120412.upa.cvt Date: 1200Z 4 DEC 25 Searching for LGAT... Searching the city database file for: LGAT ... Date:1200Z 4 DEC 25 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 1005 15 18.4 14.1 76 4.3 15.7 0 0 291.1 292.9 288.6 319.7 10.11 1 1000 85 18.2 15.3 83 2.9 16.4 135 21 291.4 293.3 289.5 322.4 10.99 2 975 301 16.2 14.7 91 1.5 15.3 140 23 291.5 293.4 289.4 322.1 10.84 3 925 747 12.4 12.3 99 0.1 12.3 150 28 292.0 293.7 288.6 319.7 9.76 4 908 903 11.6 11.3 98 0.3 11.4 155 28 292.7 294.4 288.5 319.2 9.30 5 850 1452 8.0 5.8 86 2.2 6.8 175 30 294.5 295.7 286.8 314.3 6.81 6 785 2102 2.6 2.6 100 0.0 2.6 181 28 295.5 296.6 286.3 312.7 5.89 7 752 2448 0.0 -0.8 94 0.8 -0.4 184 27 296.3 297.2 285.5 310.5 4.80 8 700 3020 -2.5 -2.5 100 0.0 -2.5 190 25 299.7 300.5 286.5 313.4 4.55 9 650 3606 -5.3 -5.4 99 0.1 -5.4 192 24 303.0 303.7 287.1 315.0 3.93 10 602 4205 -9.3 -9.3 100 0.0 -9.3 194 24 305.1 305.6 287.0 314.8 3.14 11 591 4348 -9.9 -9.9 100 0.0 -9.9 195 23 306.0 306.5 287.2 315.5 3.05 12 571 4613 -11.5 -14.1 81 2.6 -12.3 196 23 307.1 307.6 286.8 314.3 2.25 13 500 5620 -18.3 -19.0 94 0.7 -18.5 200 22 310.7 311.0 287.5 316.3 1.70 14 471 6062 -21.3 -22.3 92 1.0 -21.5 204 22 312.4 312.6 287.7 316.9 1.36 15 423 6842 -27.5 -27.6 99 0.1 -27.5 211 23 314.2 314.4 287.9 317.4 0.94 16 400 7240 -30.7 -31.6 92 0.9 -30.8 215 23 315.1 315.2 287.9 317.5 0.68 17 350 8177 -38.3 -40.7 78 2.4 -38.5 222 24 317.1 317.2 288.2 318.2 0.31 18 300 9220 -47.7 -51.3 66 3.6 -47.9 230 26 318.1 318.1 288.3 318.6 0.11 19 250 10390 -57.9 -63.9 46 6.0 -58.0 235 32 320.0 320.0 288.8 320.1 0.03 20 234 10807 -58.9 -64.9 46 6.0 -59.0 232 36 324.6 324.6 290.2 324.7 0.03 21 222 11135 -61.9 -66.5 54 4.6 -62.0 230 38 324.9 324.9 290.3 325.0 0.02 22 200 11780 -63.1 -71.1 33 8.0 -63.1 225 44 332.8 332.8 292.5 332.9 0.01 23 190 12093 -64.7 -73.7 28 9.0 -64.8 225 45 335.2 335.2 293.1 335.2 0.01 24 181 12390 -62.3 -72.3 25 10.0 -62.4 228 45 343.8 343.8 295.3 343.8 0.01 25 169 12810 -64.5 -76.5 18 12.0 -64.6 232 44 346.9 346.9 296.0 347.0 0.01 26 150 13550 -56.7 -69.7 18 13.0 -56.9 240 43 372.4 372.4 301.0 372.5 0.02 27 134 14266 -56.3 -72.3 12 16.0 -56.6 240 44 385.3 385.3 303.1 385.4 0.02 28 111 15450 -61.1 -82.1 5 21.0 -61.3 240 45 397.6 397.6 304.9 397.6 0.00 29 101 16038 -59.9 -84.9 2 25.0 -60.2 240 46 410.8 410.8 306.6 410.8 0.00 30 100 16100 -59.9 -85.9 2 26.0 -60.2 240 46 412.0 412.0 306.7 412.0 0.00 31 92 16622 -59.5 -89.5 1 30.0 -59.9 248 41 422.7 422.7 308.0 422.7 0.00 32 86 17041 -62.5 -91.5 1 29.0 -62.7 255 37 424.9 424.9 308.3 424.9 0.00 33 78 17647 -60.1 -89.1 1 29.0 -60.4 264 31 441.9 441.9 310.1 441.9 0.00 34 70 18320 -61.9 -90.9 1 29.0 -62.2 275 25 452.0 452.0 311.0 452.0 0.00 35 65 18774 -63.3 -91.3 1 28.0 -63.6 273 30 458.6 458.6 311.7 458.6 0.00 36 63 18967 -59.9 -89.9 1 30.0 -60.4 272 33 470.2 470.2 312.7 470.2 0.00 37 50 20410 -58.1 -88.1 1 30.0 -58.8 265 49 506.6 506.6 315.4 506.6 0.00 38 45 21078 -55.9 -86.9 1 31.0 -56.9 263 46 527.4 527.4 316.8 527.4 0.00 39 41 21665 -59.7 -89.7 1 30.0 -60.4 261 43 532.2 532.2 317.1 532.2 0.00 40 30 23630 -57.5 -87.5 1 30.0 -58.7 255 34 587.9 587.9 320.0 587.9 0.01 41 27 24294 -61.3 -90.3 1 29.0 -62.1 259 39 595.2 595.2 320.4 595.2 0.00 42 20 26170 -60.3 -89.3 1 29.0 -61.6 270 54 651.6 651.6 322.7 651.6 0.01 43 12 29337 -62.7 -91.7 1 29.0 -64.2 745.6 745.6 325.8 745.6 0.01 TRP 190 12093 -64.7 -73.7 28 9.0 -64.8 225 45 335.2 335.2 293.1 335.2 0.01 WND Sounding variables and indices 1000-500 mb thick: 5535.00 m Freezing level: 752.00 mb = 2448.20 m = 8032.04 ft Wetbulb zero: 756.31 mb = 2402.15 m = 7880.97 ft Precipitable water: 1.22 inches Sfc-500 mean rel hum: 94.05 % Est. max temperature: 21.64 C = 70.95 F Sfc-Lift cond lev (LCL): 942.90 mb = 584.75 m = 1918.46 ft T: 13.78 C 700-500 lapse rate: 6.08 C/km ThetaE index: 11.90 C Layer 975.0- 700.0 mb Conv cond level (CCL): 936.52 mb = 642.22 m = 2107.00 ft Mean mixing ratio: 10.29 g/kg Conv temperature: 19.14 C = 66.44 F Cap Strength: 0.08 C Lifted Index: -2.44 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -1.49 C Lifted Index @700 mb: -3.34 C Showalter Index: 1.37 C Risk: Showers probable Total Totals Index: 50.40 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 26.30 C Cross Totals Index: 24.10 C K Index: 32.10 Risk: 60-80 % chance of thunderstorms Sweat Index: 179.60 Risk: None Energy Index: 0.35 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 798.13 J/kg Max Up Vert Vel: 39.95 m/s Conv Inhibition (B-): 0.00 J/kg Cap Strength: 0.08 C Lift Cond Lev (LCL): 938.13 mb = 627.74 m = 2059.48 ft Lev Free Conv (LFC): 933.13 mb = 672.96 m = 2207.86 ft Equ Level (EL): 243.13 mb = 10565.61 m = 34663.65 ft B at Equ Level: 788.95 J/kg Max Parcel Lev (MPL): 173.13 mb = 12662.19 m = 41542.11 ft Wind level data Storm motion: 212 at 19 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 1005 15 0 0 -0.0 -0.0 | 32 19 -10.1 -15.9 1 1000 85 135 21 -14.8 14.8 | 88 25 -24.9 -1.1 2 925 747 150 28 -14.0 24.2 | 109 25 -24.1 8.3 3 850 1452 175 30 -2.6 29.9 | 138 19 -12.7 14.0 4 700 3020 190 25 4.3 24.6 | 147 10 -5.7 8.7 5 500 5620 200 22 7.5 20.7 | 152 5 -2.5 4.8 6 400 7240 215 23 13.2 18.8 | 227 4 3.1 2.9 7 300 9220 230 26 19.9 16.7 | 265 10 9.9 0.8 8 250 10390 235 32 26.2 18.4 | 261 16 16.2 2.4 9 200 11780 225 44 31.1 31.1 | 234 26 21.1 15.2 10 190 12093 225 45 31.8 31.8 | 234 27 21.8 15.9 11 150 13550 240 43 37.2 21.5 | 258 28 27.2 5.6 12 100 16100 240 46 39.8 23.0 | 257 31 29.8 7.1 13 70 18320 275 25 24.9 -2.2 | 321 23 14.9 -18.1 14 50 20410 265 49 48.8 4.3 | 287 40 38.8 -11.6 15 30 23630 255 34 32.8 8.8 | 287 24 22.8 -7.1 16 20 26170 270 54 54.0 -0.0 | 290 47 43.9 -15.9 Wind Parameters Mean winds (0-6000m): 182.3 at 25.1 knts Storm direction: 212.3 at 18.8 knts Shear (0-3000m) pos: 4.3 neg: 0.0 tot: 4.3 10-3/s Storm rel Dir Shear (0-3000m): 114.5 deg Storm rel helicity (0-3000m) pos: 237.1 neg: 0.0 tot: 237.1 m^2/s^2 ave: 79.0 10^-3 m/s^2 rel: 0.83 Storm rel vorticity (0-3000m) horiz: 9.1 stream: 7.5 10^-3/s Energy-Hel index: 1.16 Bulk Rich Number: 20.38 Bulk Shear: 39.17 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 ------------------------------------------------------------------------------- 500 140 22 93 24| 26.3 0.0 26.3|140.6 0.0 140.6 281.1 0.97| 28.8 27.9 1000 147 25 102 24| 14.8 0.0 14.8|189.7 0.0 189.7 189.7 0.96| 18.6 17.8 1500 155 26 111 23| 10.2 0.0 10.2|228.5 0.0 228.5 152.3 0.94| 15.3 14.3 2000 161 27 118 21| 7.3 0.0 7.3|232.6 0.0 232.6 116.3 0.90| 12.2 10.9 2500 166 27 122 20| 5.5 0.0 5.5|235.4 0.0 235.4 94.2 0.86| 10.3 8.9 3000 169 27 125 18| 4.3 0.0 4.3|237.1 0.0 237.1 79.0 0.83| 9.1 7.5 4000 175 26 130 16| 3.1 0.0 3.1|238.0 0.0 238.0 59.5 0.81| 7.1 5.7 5000 179 26 133 14| 2.3 0.0 2.3|238.6 0.0 238.6 47.7 0.78| 5.8 4.6 6000 182 25 135 13| 1.9 0.0 1.9|240.3 0.0 240.3 40.1 0.77| 5.1 3.9 Wrote GIF file: /home/apache/climate/data/raob//LGAT/skewt/LGAT.skewt.20251204.12.gif