UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025100712.upa.cvt Date: 1200Z 7 OCT 25 Searching for LGAT... Searching the city database file for: LGAT ... Date:1200Z 7 OCT 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 1002 15 18.4 9.4 56 9.0 13.1 340 8 291.4 292.7 286.2 312.5 7.40 1 1000 58 17.4 9.4 59 8.0 12.7 330 12 290.5 291.9 285.9 311.6 7.41 2 972 299 14.8 8.8 67 6.0 11.4 334 9 290.3 291.6 285.7 311.1 7.32 3 925 716 12.0 5.0 62 7.0 8.3 340 5 291.6 292.6 284.8 308.6 5.91 4 905 899 10.8 4.8 66 6.0 7.6 317 7 292.2 293.2 285.1 309.4 5.96 5 864 1284 8.4 2.4 66 6.0 5.4 267 11 293.6 294.5 284.9 308.9 5.27 6 850 1419 7.2 2.2 70 5.0 4.6 250 12 293.7 294.6 284.9 309.1 5.28 7 782 2098 1.4 0.2 92 1.2 0.8 248 15 294.6 295.4 284.9 309.1 4.96 8 768 2243 0.2 -1.0 92 1.2 -0.4 247 15 294.8 295.6 284.7 308.4 4.63 9 729 2659 -2.7 -3.4 95 0.7 -3.0 246 17 296.0 296.8 284.6 308.2 4.08 10 715 2813 -3.1 -6.6 77 3.5 -4.5 246 17 297.2 297.8 284.2 307.1 3.26 11 700 2981 -4.1 -6.4 84 2.3 -5.0 245 18 297.9 298.6 284.6 308.1 3.38 12 647 3597 -8.3 -11.3 79 3.0 -9.4 239 22 300.0 300.4 284.4 307.6 2.49 13 635 3742 -9.1 -11.1 85 2.0 -9.8 238 23 300.7 301.1 284.8 308.6 2.58 14 600 4178 -11.5 -20.5 47 9.0 -13.9 234 26 302.8 303.0 284.1 306.8 1.25 15 598 4204 -11.5 -20.5 47 9.0 -13.9 233 26 303.1 303.3 284.2 307.1 1.25 16 576 4490 -13.5 -21.5 51 8.0 -15.5 231 28 304.0 304.2 284.5 307.9 1.19 17 560 4704 -14.7 -24.7 42 10.0 -17.0 228 29 305.1 305.2 284.6 308.1 0.92 18 552 4812 -15.5 -27.5 35 12.0 -18.0 227 30 305.4 305.5 284.5 307.8 0.72 19 520 5260 -19.3 -21.0 86 1.7 -19.7 223 33 306.1 306.3 285.5 310.5 1.38 20 500 5550 -21.7 -28.7 53 7.0 -22.9 220 35 306.6 306.7 284.9 309.0 0.72 21 490 5699 -22.3 -39.3 20 17.0 -24.4 219 36 307.6 307.7 284.8 308.5 0.26 22 475 5927 -23.7 -43.7 14 20.0 -25.8 218 37 308.6 308.7 285.0 309.2 0.17 23 425 6730 -30.3 -48.3 16 18.0 -31.7 213 42 310.2 310.2 285.5 310.6 0.11 24 400 7160 -32.3 -52.3 12 20.0 -33.6 210 44 313.0 313.0 286.5 313.3 0.08 25 388 7374 -33.3 -57.3 7 24.0 -34.6 210 48 314.4 314.4 286.9 314.6 0.04 26 368 7746 -32.3 -60.3 4 28.0 -33.8 210 55 320.6 320.6 288.9 320.7 0.03 27 339 8322 -33.9 -57.9 7 24.0 -35.3 210 65 326.0 326.0 290.6 326.2 0.05 28 331 8489 -34.8 -58.2 7 23.4 -36.0 210 68 327.1 327.1 290.9 327.2 0.04 29 300 9170 -38.3 -59.3 9 21.0 -39.3 210 65 331.4 331.4 292.2 331.6 0.04 30 267 9965 -39.5 -73.5 1 34.0 -40.6 214 61 340.9 340.9 294.6 340.9 0.01 31 255 10276 -41.9 -76.9 1 35.0 -42.8 215 60 341.8 341.8 294.8 341.8 0.00 32 250 10410 -41.3 -76.3 1 35.0 -42.3 215 62 344.7 344.7 295.4 344.7 0.00 33 236 10803 -40.7 -76.7 1 36.0 -41.8 215 63 351.3 351.3 296.9 351.3 0.00 34 217 11376 -40.9 -76.9 1 36.0 -42.1 215 64 359.5 359.5 298.6 359.5 0.01 35 200 11930 -42.7 -77.7 1 35.0 -43.7 215 65 365.2 365.2 299.7 365.2 0.00 36 150 13830 -51.9 -83.9 1 32.0 -52.4 230 62 380.6 380.6 302.3 380.7 0.00 37 134 14560 -50.9 -82.9 1 32.0 -51.5 230 55 394.9 394.9 304.5 394.9 0.00 38 118 15375 -56.3 -87.3 1 31.0 -56.7 230 47 399.6 399.6 305.2 399.6 0.00 39 101 16357 -57.7 -87.7 1 30.0 -58.1 230 38 415.1 415.1 307.2 415.1 0.00 40 100 16420 -57.5 -87.5 1 30.0 -57.9 230 37 416.6 416.6 307.3 416.6 0.00 41 94 16811 -57.3 -87.3 1 30.0 -57.8 424.5 424.5 308.2 424.5 0.00 TRP 255 10276 -41.9 -76.9 1 35.0 -42.8 215 60 341.8 341.8 294.8 341.8 0.00 WND 331 8489 -34.8 -58.2 7 23.4 -36.0 210 68 327.1 327.1 290.9 327.2 0.04 Sounding variables and indices 1000-500 mb thick: 5492.00 m Freezing level: 765.31 mb = 2272.16 m = 7454.50 ft Wetbulb zero: 772.21 mb = 2199.52 m = 7216.19 ft Precipitable water: 0.81 inches Sfc-500 mean rel hum: 70.91 % Est. max temperature: 20.69 C = 69.24 F Sfc-Lift cond lev (LCL): 876.20 mb = 1167.63 m = 3830.75 ft T: 9.13 C 700-500 lapse rate: 6.85 C/km ThetaE index: 3.91 C Layer 1000.0- 905.0 mb Conv cond level (CCL): 824.10 mb = 1671.04 m = 5482.36 ft Mean mixing ratio: 6.67 g/kg Conv temperature: 21.05 C = 69.88 F Cap Strength: 2.45 C Lifted Index: 0.55 C Risk: Showers probable Lifted Index @300 mb: 15.29 C Lifted Index @700 mb: -0.02 C Showalter Index: 1.19 C Risk: Showers probable Total Totals Index: 52.80 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 28.90 C Cross Totals Index: 23.90 C K Index: 28.80 Risk: 40-60 % chance of thunderstorms Sweat Index: 161.40 Risk: None Energy Index: -0.03 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 20.14 J/kg Max Up Vert Vel: 6.35 m/s Conv Inhibition (B-): 65.85 J/kg Cap Strength: 2.45 C Lift Cond Lev (LCL): 860.92 mb = 1313.59 m = 4309.63 ft Lev Free Conv (LFC): 775.92 mb = 2160.95 m = 7089.65 ft Equ Level (EL): 625.92 mb = 3852.51 m = 12639.32 ft B at Equ Level: 19.89 J/kg Max Parcel Lev (MPL): 555.92 mb = 4758.90 m = 15612.99 ft Wind level data Storm motion: 265 at 15 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 1002 15 340 8 2.7 -7.5 | 55 15 -12.5 -8.8 1 1000 58 330 12 6.0 -10.4 | 38 15 -9.2 -11.7 2 925 716 340 5 1.7 -4.7 | 66 15 -13.5 -6.0 3 850 1419 250 12 11.3 4.1 | 125 5 -4.0 2.8 4 700 2981 245 18 16.3 7.6 | 190 6 1.1 6.3 5 500 5550 220 35 22.5 26.8 | 196 26 7.3 25.5 6 400 7160 210 44 22.0 38.1 | 190 37 6.8 36.8 7 331 8489 210 68 34.0 58.9 | 198 61 18.8 57.6 8 300 9170 210 65 32.5 56.3 | 197 58 17.3 55.0 9 255 10276 215 60 34.4 49.1 | 202 52 19.2 47.8 10 250 10410 215 62 35.6 50.8 | 202 53 20.3 49.5 11 200 11930 215 65 37.3 53.2 | 203 56 22.0 51.9 12 150 13830 230 62 47.5 39.9 | 220 50 32.3 38.5 13 100 16420 230 37 28.3 23.8 | 210 26 13.1 22.5 Wind Parameters Mean winds (0-6000m): 235.0 at 20.4 knts Storm direction: 265.0 at 15.3 knts Shear (0-3000m) pos: 0.0 neg: 3.5 tot: 3.5 10-3/s Storm rel Dir Shear (0-3000m): 136.1 deg Storm rel helicity (0-3000m) pos: 40.7 neg: -21.8 tot: 18.9 m^2/s^2 ave: 6.3 10^-3 m/s^2 rel: 0.39 Storm rel vorticity (0-3000m) horiz: 5.4 stream: 2.1 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.27 Bulk Shear: 74.05 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 ------------------------------------------------------------------------------- 500 333 10 48 15| 0.0 1.0 1.0| 17.1 -14.6 2.4 4.8 0.08| 8.3 0.7 1000 329 8 54 14| 0.0 2.7 2.7| 25.5 -21.8 3.7 3.7 0.05| 8.0 0.4 1500 301 9 53 10| 0.0 5.1 5.1| 33.9 -21.8 12.1 8.1 0.28| 8.8 2.4 2000 280 10 61 6| 0.0 4.3 4.3| 36.2 -21.8 14.4 7.2 0.33| 7.1 2.3 2500 269 11 76 4| 0.0 3.8 3.8| 38.5 -21.8 16.7 6.7 0.37| 6.1 2.2 3000 262 12 98 3| 0.0 3.5 3.5| 40.7 -21.8 18.9 6.3 0.39| 5.4 2.1 4000 252 14 154 3| 0.0 3.6 3.6| 44.5 -21.8 22.7 5.7 0.36| 5.1 1.8 5000 243 17 182 7| 0.0 3.7 3.7| 44.5 -26.5 18.0 3.6 0.28| 4.9 1.3 6000 235 20 188 10| 0.0 3.6 3.6| 44.5 -39.2 5.3 0.9 0.20| 4.7 1.0 Wrote GIF file: /home/apache/climate/data/raob//LGAT/skewt/LGAT.skewt.20251007.12.gif