UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042512.upa.cvt Date: 1200Z 25 APR 25 Searching for LGAT... Searching the city database file for: LGAT ... Date:1200Z 25 APR 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 1003 15 20.6 11.6 56 9.0 15.1 270 9 293.5 295.0 288.1 318.1 8.58 1 1000 72 19.4 10.4 56 9.0 14.0 265 7 292.5 294.0 287.2 315.3 7.93 2 974 298 17.8 8.8 56 9.0 12.6 290 6 293.2 294.5 286.8 314.2 7.31 3 925 737 14.6 5.6 55 9.0 9.6 340 4 294.2 295.3 286.1 312.1 6.17 4 907 903 13.2 5.2 58 8.0 8.8 340 5 294.5 295.6 286.1 312.2 6.12 5 850 1444 8.6 2.6 66 6.0 5.5 340 7 295.2 296.1 285.7 311.0 5.43 6 785 2096 3.6 -0.7 73 4.3 1.5 330 6 296.6 297.4 285.4 310.3 4.63 7 710 2902 -2.5 -5.1 82 2.6 -3.6 317 4 298.5 299.2 285.2 309.6 3.68 8 700 3015 -2.5 -4.9 84 2.4 -3.6 315 4 299.7 300.4 285.7 311.2 3.79 9 650 3599 -6.1 -8.9 81 2.8 -7.2 326 7 302.1 302.6 285.8 311.3 3.00 10 629 3854 -8.1 -10.2 85 2.1 -8.9 331 9 302.6 303.1 285.8 311.3 2.80 11 615 4029 -8.5 -13.4 68 4.9 -10.2 334 10 304.1 304.5 285.7 311.1 2.21 12 602 4194 -9.7 -16.7 57 7.0 -11.8 337 11 304.6 304.9 285.4 310.1 1.72 13 600 4220 -9.7 -16.7 57 7.0 -11.8 338 11 304.9 305.2 285.5 310.4 1.72 14 500 5600 -19.7 -27.7 49 8.0 -21.2 5 19 309.0 309.2 285.9 311.7 0.78 15 455 6295 -24.5 -32.5 47 8.0 -25.8 3 23 311.5 311.6 286.5 313.4 0.55 16 440 6538 -26.5 -33.5 52 7.0 -27.5 2 24 311.9 312.0 286.6 313.7 0.51 17 428 6738 -28.1 -40.1 31 12.0 -29.4 2 25 312.4 312.4 286.5 313.3 0.27 18 400 7220 -32.1 -43.1 33 11.0 -33.1 360 28 313.3 313.3 286.8 314.0 0.21 19 300 9180 -47.9 -59.9 24 12.0 -48.2 345 28 317.8 317.8 288.1 318.0 0.04 20 292 9357 -49.7 -60.7 26 11.0 -50.0 344 29 317.7 317.8 288.1 317.9 0.04 21 250 10360 -54.5 -67.5 19 13.0 -54.7 340 33 325.0 325.0 290.3 325.1 0.02 22 234 10784 -53.9 -67.9 16 14.0 -54.1 331 34 332.2 332.2 292.3 332.2 0.02 23 206 11608 -50.5 -74.5 4 24.0 -51.0 314 36 349.8 349.8 296.6 349.9 0.01 24 200 11800 -51.9 -77.9 3 26.0 -52.3 310 36 350.6 350.6 296.8 350.6 0.00 25 150 13660 -53.5 -84.5 1 31.0 -53.9 290 30 377.9 377.9 301.9 377.9 0.00 26 101 16187 -57.7 -87.7 1 30.0 -58.1 266 28 415.1 415.1 307.2 415.1 0.00 27 100 16250 -57.9 -87.9 1 30.0 -58.3 265 28 415.9 415.9 307.2 415.9 0.00 28 70 18490 -60.3 -89.3 1 29.0 -60.7 305 3 455.4 455.4 311.4 455.4 0.00 29 50 20580 -60.5 -89.5 1 29.0 -61.0 240 5 500.9 500.9 315.0 500.9 0.00 30 37 22471 -56.7 -87.7 1 31.0 -57.8 184 6 555.7 555.7 318.4 555.7 0.00 31 30 23800 -56.9 -86.9 1 30.0 -58.2 145 6 589.5 589.5 320.1 589.6 0.01 32 27 24465 -57.5 -87.5 1 30.0 -58.8 167 7 605.9 605.9 320.9 605.9 0.01 33 20 26370 -54.7 -85.7 1 31.0 -57.0 230 10 668.7 668.7 323.4 668.8 0.01 34 14 28662 -52.9 -84.9 1 32.0 -56.4 746.7 746.7 325.8 746.8 0.02 35 11 30246 -44.9 -78.9 1 34.0 -52.2 829.0 829.1 328.0 829.7 0.07 TRP 250 10360 -54.5 -67.5 19 13.0 -54.7 340 33 325.0 325.0 290.3 325.1 0.02 WND Sounding variables and indices 1000-500 mb thick: 5528.00 m Freezing level: 740.74 mb = 2571.85 m = 8437.73 ft Wetbulb zero: 762.55 mb = 2328.90 m = 7640.65 ft Precipitable water: 0.86 inches Sfc-500 mean rel hum: 65.82 % Est. max temperature: 22.22 C = 72.00 F Sfc-Lift cond lev (LCL): 877.75 mb = 1176.06 m = 3858.40 ft T: 10.88 C 700-500 lapse rate: 6.65 C/km ThetaE index: 5.94 C Layer 1000.0- 907.0 mb Conv cond level (CCL): 803.92 mb = 1900.79 m = 6236.11 ft Mean mixing ratio: 6.87 g/kg Conv temperature: 23.27 C = 73.89 F Cap Strength: 1.79 C Lifted Index: 0.50 C Risk: Showers probable Lifted Index @300 mb: 3.41 C Lifted Index @700 mb: -0.03 C Showalter Index: 1.96 C Risk: Showers probable Total Totals Index: 50.60 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 28.30 C Cross Totals Index: 22.30 C K Index: 28.50 Risk: 40-60 % chance of thunderstorms Sweat Index: 96.20 Risk: None Energy Index: 0.12 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 15.84 J/kg Max Up Vert Vel: 5.63 m/s Conv Inhibition (B-): 61.57 J/kg Cap Strength: 1.79 C Lift Cond Lev (LCL): 834.22 mb = 1597.61 m = 5241.44 ft Lev Free Conv (LFC): 739.22 mb = 2578.53 m = 8459.64 ft Equ Level (EL): 619.22 mb = 3976.03 m = 13044.57 ft B at Equ Level: 14.96 J/kg Max Parcel Lev (MPL): 539.22 mb = 5028.45 m = 16497.35 ft Wind level data Storm motion: 20 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 1003 15 270 9 9.0 -0.0 | 240 13 11.3 6.5 1 1000 72 265 7 7.0 0.6 | 233 12 9.3 7.1 2 925 737 340 4 1.4 -3.8 | 233 5 3.7 2.8 3 850 1444 340 7 2.4 -6.6 | 271 5 4.7 -0.1 4 700 3015 315 4 2.8 -2.8 | 234 6 5.2 3.7 5 500 5600 5 19 -1.7 -18.9 | 357 12 0.7 -12.4 6 400 7220 360 28 -0.0 -28.0 | 354 22 2.3 -21.5 7 300 9180 345 28 7.2 -27.0 | 335 23 9.6 -20.5 8 250 10360 340 33 11.3 -31.0 | 331 28 13.6 -24.5 9 200 11800 310 36 27.6 -23.1 | 299 34 29.9 -16.6 10 150 13660 290 30 28.2 -10.3 | 277 31 30.5 -3.7 11 100 16250 265 28 27.9 2.4 | 253 32 30.2 9.0 12 70 18490 305 3 2.5 -1.7 | 225 7 4.8 4.8 13 50 20580 240 5 4.3 2.5 | 216 11 6.7 9.0 14 30 23800 145 6 -3.4 4.9 | 174 11 -1.1 11.4 15 20 26370 230 10 7.7 6.4 | 218 16 10.0 13.0 Wind Parameters Mean winds (0-6000m): 349.6 at 9.2 knts Storm direction: 19.6 at 6.9 knts Shear (0-3000m) pos: 1.5 neg: 0.4 tot: 1.9 10-3/s Storm rel Dir Shear (0-3000m): -5.7 deg Storm rel helicity (0-3000m) pos: 7.0 neg: -9.9 tot: -2.9 m^2/s^2 ave: -1.0 10^-3 m/s^2 rel: -0.07 Storm rel vorticity (0-3000m) horiz: 2.7 stream: -0.2 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 1.58 Bulk Shear: 10.02 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 ------------------------------------------------------------------------------- 500 284 6 239 10| 6.7 0.0 6.7| 3.8 -3.8 -0.0 -0.1 0.04| 7.4 0.3 1000 303 5 242 8| 4.5 0.0 4.5| 5.0 -4.9 0.1 0.1 0.05| 5.3 0.3 1500 319 6 249 6| 3.0 0.6 3.6| 7.0 -5.0 2.0 1.3 0.18| 4.2 0.7 2000 324 6 252 6| 2.2 0.3 2.5| 7.0 -6.6 0.4 0.2 0.07| 3.5 0.2 2500 325 6 252 6| 1.8 0.3 2.1| 7.0 -8.2 -1.2 -0.5 -0.01| 3.0 -0.0 3000 325 6 250 6| 1.5 0.4 1.9| 7.0 -9.9 -2.9 -1.0 -0.07| 2.7 -0.2 4000 326 6 254 6| 1.6 0.3 1.9| 17.6 -9.9 7.7 1.9 0.23| 2.8 0.6 5000 337 7 272 5| 2.0 0.2 2.2| 32.0 -9.9 22.1 4.4 0.40| 3.0 1.2 6000 350 9 303 5| 2.2 0.2 2.4| 44.0 -10.4 33.6 5.6 0.43| 3.1 1.3 Wrote GIF file: /home/apache/climate/data/raob//LGAT/skewt/LGAT.skewt.20250425.12.gif