UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2026010612.upa.cvt Date: 1200Z 6 JAN 26 Searching for LGAT... Searching the city database file for: LGAT ... Date:1200Z 6 JAN 26 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 1008 15 18.6 13.6 73 5.0 15.5 0 0 291.1 292.8 288.3 318.7 9.75 1 978 282 14.8 12.5 86 2.3 13.4 164 16 289.8 291.4 287.5 316.1 9.34 2 942 608 11.8 10.0 89 1.8 10.7 171 17 289.9 291.3 286.4 313.0 8.20 3 931 710 12.0 7.9 76 4.1 9.7 174 17 291.0 292.3 285.9 311.5 7.19 4 925 766 11.4 7.4 76 4.0 9.2 175 17 291.0 292.2 285.7 310.9 6.99 5 910 902 10.2 7.5 83 2.7 8.7 180 18 291.1 292.4 285.9 311.5 7.16 6 879 1190 9.8 2.8 62 7.0 6.2 190 20 293.6 294.5 284.9 309.1 5.33 7 850 1468 7.4 1.4 66 6.0 4.4 200 22 293.9 294.8 284.7 308.4 4.98 8 834 1624 6.8 0.8 66 6.0 3.8 204 23 294.9 295.7 285.0 309.1 4.86 9 787 2097 3.2 2.1 92 1.1 2.7 216 26 295.9 297.0 286.2 312.5 5.66 10 767 2306 3.0 -0.7 77 3.7 1.2 221 27 297.9 298.8 286.1 312.0 4.74 11 700 3040 -1.7 -10.7 50 9.0 -5.1 240 32 300.6 301.0 284.6 308.1 2.41 12 652 3600 -6.1 -14.1 53 8.0 -8.8 241 36 301.8 302.2 284.5 308.0 1.97 13 604 4193 -10.1 -20.1 44 10.0 -12.8 242 39 303.9 304.1 284.5 308.0 1.28 14 578 4530 -12.5 -20.5 51 8.0 -14.6 243 42 304.9 305.1 284.9 309.1 1.29 15 555 4839 -12.7 -35.7 13 23.0 -16.7 243 44 308.2 308.3 285.1 309.4 0.33 16 525 5262 -13.7 -43.7 6 30.0 -18.0 244 47 312.0 312.0 286.2 312.5 0.15 17 500 5630 -16.9 -45.9 6 29.0 -20.5 245 49 312.4 312.5 286.4 312.9 0.13 18 478 5966 -19.5 -46.5 7 27.0 -22.6 246 55 313.3 313.3 286.6 313.7 0.12 19 455 6330 -22.7 -30.7 48 8.0 -24.1 247 61 313.7 313.8 287.4 316.0 0.65 20 412 7049 -29.3 -30.1 93 0.8 -29.4 249 73 314.2 314.4 287.7 316.9 0.76 21 400 7260 -29.7 -30.3 94 0.6 -29.8 250 77 316.4 316.5 288.4 319.1 0.77 22 379 7644 -31.1 -52.1 11 21.0 -32.6 251 80 319.5 319.5 288.6 319.8 0.08 23 300 9260 -43.9 -57.9 20 14.0 -44.4 255 92 323.5 323.5 289.9 323.7 0.05 24 276 9814 -48.5 -60.5 24 12.0 -48.8 255 94 324.6 324.7 290.2 324.8 0.04 25 250 10460 -52.1 -68.1 13 16.0 -52.4 255 96 328.6 328.6 291.3 328.7 0.02 26 237 10803 -54.5 -69.5 14 15.0 -54.7 256 99 330.0 330.0 291.7 330.1 0.01 27 200 11870 -61.3 -72.3 22 11.0 -61.4 260 107 335.7 335.7 293.3 335.7 0.01 28 197 11963 -62.1 -73.1 22 11.0 -62.2 335.9 335.9 293.3 335.9 0.01 29 177 12631 -56.9 -78.9 5 22.0 -57.2 354.8 354.8 297.7 354.9 0.00 30 150 13670 -59.9 -88.9 1 29.0 -60.1 366.9 366.9 300.0 366.9 0.00 31 121 15008 -61.3 -90.3 1 29.0 -61.5 387.6 387.6 303.4 387.6 0.00 TRP WND Sounding variables and indices 1000-500 mb thick: 5544.70 m Freezing level: 724.23 mb = 2774.51 m = 9102.63 ft Wetbulb zero: 754.27 mb = 2440.45 m = 8006.63 ft Precipitable water: 0.86 inches Sfc-500 mean rel hum: 54.87 % Est. max temperature: 21.33 C = 70.40 F Sfc-Lift cond lev (LCL): 935.92 mb = 664.40 m = 2179.75 ft T: 11.91 C 700-500 lapse rate: 5.87 C/km ThetaE index: 7.77 C Layer 978.0- 910.0 mb Conv cond level (CCL): 873.45 mb = 1242.88 m = 4077.64 ft Mean mixing ratio: 8.47 g/kg Conv temperature: 21.16 C = 70.09 F Cap Strength: 3.21 C Lifted Index: 2.74 C Risk: None Lifted Index @300 mb: 6.82 C Lifted Index @700 mb: 0.33 C Showalter Index: 6.40 C Risk: None Total Totals Index: 42.60 C Risk: None Vertical Totals Index: 24.30 C Cross Totals Index: 18.30 C K Index: 16.70 Risk: < 20 % chance of thunderstorms Sweat Index: 223.19 Risk: None Energy Index: 0.97 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 36.30 J/kg Max Up Vert Vel: 8.52 m/s Conv Inhibition (B-): 33.88 J/kg Cap Strength: 3.09 C Lift Cond Lev (LCL): 916.65 mb = 841.62 m = 2761.20 ft Lev Free Conv (LFC): 791.65 mb = 2049.40 m = 6723.66 ft Equ Level (EL): 781.65 mb = 2152.73 m = 7062.67 ft B at Equ Level: 5.93 J/kg Max Parcel Lev (MPL): 751.65 mb = 2468.36 m = 8098.19 ft Wind level data Storm motion: 263 at 25 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 1008 15 0 0 -0.0 -0.0 | 83 25 -24.4 -3.1 1 1000 0 160 16 -5.5 15.0 | 112 32 -29.9 11.9 2 925 766 175 17 -1.5 16.9 | 118 29 -25.9 13.8 3 850 1468 200 22 7.5 20.7 | 136 24 -16.9 17.5 4 700 3040 240 32 27.7 16.0 | 194 13 3.3 12.9 5 500 5630 245 49 44.4 20.7 | 229 27 20.0 17.6 6 400 7260 250 77 72.4 26.3 | 244 53 47.9 23.2 7 300 9260 255 92 88.9 23.8 | 252 68 64.4 20.7 8 250 10460 255 96 92.7 24.8 | 252 72 68.3 21.7 9 200 11870 260 107 105.4 18.6 | 259 82 80.9 15.5 Wind Parameters Mean winds (0-6000m): 232.7 at 32.9 knts Storm direction: 262.7 at 24.6 knts Shear (0-3000m) pos: 5.6 neg: 0.0 tot: 5.6 10-3/s Storm rel Dir Shear (0-3000m): 80.9 deg Storm rel helicity (0-3000m) pos: 176.1 neg: 0.0 tot: 176.1 m^2/s^2 ave: 58.7 10^-3 m/s^2 rel: 0.84 Storm rel vorticity (0-3000m) horiz: 6.0 stream: 5.1 10^-3/s Energy-Hel index: 0.03 Bulk Rich Number: 0.29 Bulk Shear: 123.50 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 ------------------------------------------------------------------------------- 500 165 16 114 31| 2.9 0.0 2.9| 18.7 0.0 18.7 37.3 0.79| 3.0 2.3 1000 171 17 117 30| 3.9 0.0 3.9| 49.7 0.0 49.7 49.7 0.83| 3.9 3.2 1500 181 18 122 29| 5.0 0.0 5.0| 91.1 0.0 91.1 60.8 0.83| 5.1 4.2 2000 189 20 127 27| 5.3 0.0 5.3|121.9 0.0 121.9 60.9 0.83| 5.4 4.5 2500 198 21 134 25| 5.5 0.0 5.5|150.0 0.0 150.0 60.0 0.83| 5.7 4.8 3000 208 23 141 22| 5.6 0.0 5.6|176.1 0.0 176.1 58.7 0.84| 6.0 5.1 4000 220 26 155 19| 5.1 0.0 5.1|196.6 0.0 196.6 49.2 0.83| 5.4 4.5 5000 228 29 170 17| 4.7 0.0 4.7|218.1 0.0 218.1 43.6 0.80| 5.0 4.0 6000 233 33 186 17| 4.9 0.0 4.9|253.3 0.0 253.3 42.2 0.73| 5.1 3.7 Wrote GIF file: /home/apache/climate/data/raob//LGAT/skewt/LGAT.skewt.20260106.12.gif