UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042912.upa.cvt Date: 1200Z 29 APR 25 Searching for LGAT... Searching the city database file for: LGAT ... Date:1200Z 29 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 1011 15 15.8 2.8 42 13.0 9.2 30 14 288.0 288.9 281.8 301.3 4.63 1 1000 136 13.8 2.8 47 11.0 8.3 15 24 287.0 287.8 281.4 300.3 4.68 2 981 297 12.2 2.2 50 10.0 7.3 16 24 286.9 287.7 281.3 299.9 4.57 3 971 383 11.2 2.2 54 9.0 6.8 17 24 286.8 287.6 281.3 299.9 4.61 4 925 786 8.2 1.2 61 7.0 4.8 20 24 287.7 288.5 281.5 300.6 4.51 5 912 903 7.4 1.4 66 6.0 4.5 17 23 288.0 288.9 281.9 301.3 4.64 6 886 1140 5.2 0.2 70 5.0 2.9 12 22 288.2 288.9 281.6 300.7 4.38 7 850 1478 3.6 -0.8 73 4.4 1.6 5 21 289.9 290.7 282.3 302.2 4.24 8 836 1613 2.8 -1.5 73 4.3 0.8 11 21 290.5 291.2 282.3 302.3 4.10 9 804 1930 5.2 0.2 70 5.0 2.8 26 20 296.3 297.1 285.5 310.5 4.83 10 787 2104 3.8 -2.2 65 6.0 1.0 35 19 296.6 297.3 284.9 308.9 4.13 11 775 2229 3.0 -3.0 65 6.0 0.3 41 19 297.0 297.7 284.9 308.8 3.95 12 709 2943 -2.9 -3.1 99 0.2 -3.0 75 16 298.2 299.0 285.7 311.0 4.29 13 700 3044 -3.5 -3.8 98 0.3 -3.6 80 16 298.6 299.4 285.7 311.0 4.12 14 691 3146 -4.3 -4.4 99 0.1 -4.4 79 16 298.8 299.6 285.6 310.8 3.99 15 674 3343 -4.7 -9.5 69 4.8 -6.5 78 16 300.5 301.0 284.9 309.0 2.76 16 652 3603 -6.9 -11.7 69 4.8 -8.6 77 17 300.9 301.3 284.7 308.3 2.39 17 631 3858 -9.3 -11.3 85 2.0 -10.0 75 17 301.0 301.5 284.9 308.9 2.55 18 618 4019 -9.5 -10.7 91 1.2 -9.9 74 17 302.6 303.1 285.7 311.0 2.74 19 604 4196 -10.9 -13.5 81 2.6 -11.8 73 17 302.9 303.3 285.3 309.9 2.23 20 544 4996 -14.1 -21.1 55 7.0 -15.9 69 18 308.3 308.6 286.2 312.6 1.31 21 527 5236 -16.3 -23.3 55 7.0 -18.0 67 19 308.5 308.7 286.1 312.2 1.11 22 500 5630 -19.5 -23.7 69 4.2 -20.4 65 19 309.3 309.5 286.4 313.0 1.13 23 424 6828 -29.3 -30.4 90 1.1 -29.5 61 25 311.7 311.8 286.8 314.1 0.72 24 400 7240 -32.5 -35.0 78 2.5 -32.8 60 27 312.7 312.8 286.9 314.5 0.49 25 304 9113 -48.1 -54.1 50 6.0 -48.3 70 36 316.4 316.4 287.6 316.7 0.08 26 300 9200 -48.7 -55.7 44 7.0 -48.9 70 36 316.7 316.7 287.8 317.0 0.07 27 269 9911 -53.1 -65.1 22 12.0 -53.3 43 24 320.3 320.3 288.9 320.4 0.02 28 250 10380 -55.9 -64.9 32 9.0 -56.1 25 16 323.0 323.0 289.7 323.1 0.02 29 242 10586 -56.5 -66.5 27 10.0 -56.6 40 19 325.1 325.1 290.3 325.2 0.02 30 234 10800 -54.9 -67.9 19 13.0 -55.1 16 17 330.6 330.6 291.9 330.7 0.02 31 200 11800 -56.3 -74.3 9 18.0 -56.5 265 8 343.6 343.6 295.2 343.6 0.01 32 165 13029 -53.1 -77.1 4 24.0 -53.5 262 13 368.4 368.4 300.3 368.4 0.01 33 150 13640 -54.5 -84.5 1 30.0 -54.9 260 16 376.2 376.2 301.6 376.2 0.00 34 101 16157 -56.9 -86.9 1 30.0 -57.3 275 19 416.6 416.6 307.3 416.6 0.00 35 100 16220 -57.3 -87.3 1 30.0 -57.7 275 19 417.0 417.0 307.4 417.0 0.00 36 70 18460 -59.3 -89.3 1 30.0 -59.7 245 10 457.5 457.5 311.5 457.5 0.00 37 62 19216 -61.3 -90.3 1 29.0 -61.7 247 13 469.3 469.3 312.5 469.3 0.00 38 57 19743 -56.9 -86.9 1 30.0 -57.6 248 14 490.7 490.7 314.2 490.7 0.00 39 50 20570 -58.3 -88.3 1 30.0 -59.0 250 17 506.1 506.1 315.4 506.1 0.00 40 40 21980 -57.9 -87.9 1 30.0 -58.8 241 14 540.4 540.4 317.5 540.5 0.00 41 33 23207 -53.7 -84.7 1 31.0 -55.4 234 12 582.2 582.2 319.8 582.2 0.01 42 30 23820 -54.3 -85.3 1 31.0 -56.0 230 11 596.6 596.6 320.5 596.7 0.01 43 22 25801 -56.1 -87.1 1 31.0 -57.9 230 16 646.6 646.6 322.6 646.6 0.01 44 20 26410 -54.1 -85.1 1 31.0 -56.5 230 18 670.6 670.6 323.4 670.7 0.01 45 15 28282 -47.9 -80.9 1 33.0 -52.9 748.7 748.7 325.9 749.0 0.04 TRP 242 10586 -56.5 -66.5 27 10.0 -56.6 40 19 325.1 325.1 290.3 325.2 0.02 WND Sounding variables and indices 1000-500 mb thick: 5494.00 m Freezing level: 741.44 mb = 2592.01 m = 8503.87 ft Wetbulb zero: 769.80 mb = 2283.16 m = 7490.59 ft Precipitable water: 0.76 inches Sfc-500 mean rel hum: 70.55 % Est. max temperature: 17.13 C = 62.83 F Sfc-Lift cond lev (LCL): 831.19 mb = 1659.68 m = 5445.06 ft T: 3.15 C 700-500 lapse rate: 6.19 C/km ThetaE index: 2.70 C Layer 700.0- 631.0 mb Conv cond level (CCL): 718.15 mb = 2839.96 m = 9317.32 ft Mean mixing ratio: 4.59 g/kg Conv temperature: 25.81 C = 78.46 F Cap Strength: 9.49 C Lifted Index: 9.25 C Risk: None Lifted Index @300 mb: 11.72 C Lifted Index @700 mb: 5.74 C Showalter Index: 7.96 C Risk: None Total Totals Index: 41.80 C Risk: None Vertical Totals Index: 23.10 C Cross Totals Index: 18.70 C K Index: 22.00 Risk: 20-40 % chance of thunderstorms Sweat Index: 61.00 Risk: None Energy Index: 2.28 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 3.51 J/kg Max Up Vert Vel: 2.65 m/s Conv Inhibition (B-): 51351.02 J/kg Cap Strength: 9.42 C Lift Cond Lev (LCL): 839.33 mb = 1580.45 m = 5185.13 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 78 at 14 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 1011 15 30 14 -7.0 -12.1 | 322 11 7.1 -9.1 1 1000 136 15 24 -6.2 -23.2 | 339 22 7.8 -20.1 2 925 786 20 24 -8.2 -22.6 | 343 20 5.8 -19.5 3 850 1478 5 21 -1.8 -20.9 | 326 22 12.2 -17.9 4 700 3044 80 16 -15.8 -2.8 | 99 2 -1.7 0.3 5 500 5630 65 19 -17.2 -8.0 | 32 6 -3.2 -5.0 6 400 7240 60 27 -23.4 -13.5 | 42 14 -9.3 -10.4 7 300 9200 70 36 -33.8 -12.3 | 65 22 -19.8 -9.3 8 250 10380 25 16 -6.8 -14.5 | 328 14 7.3 -11.4 9 242 10586 40 19 -12.2 -14.6 | 351 12 1.8 -11.5 10 200 11800 265 8 8.0 0.7 | 260 22 22.0 3.8 11 150 13640 260 16 15.8 2.8 | 259 30 29.8 5.8 12 100 16220 275 19 18.9 -1.7 | 268 33 33.0 1.4 13 70 18460 245 10 9.1 4.2 | 253 24 23.1 7.3 14 50 20570 250 17 16.0 5.8 | 254 31 30.0 8.9 15 30 23820 230 11 8.4 7.1 | 246 25 22.5 10.1 16 20 26410 230 18 13.8 11.6 | 242 31 27.8 14.6 Wind Parameters Mean winds (0-6000m): 47.7 at 19.2 knts Storm direction: 77.7 at 14.4 knts Shear (0-3000m) pos: 3.8 neg: 1.7 tot: 5.4 10-3/s Storm rel Dir Shear (0-3000m): 123.7 deg Storm rel helicity (0-3000m) pos: 63.7 neg: -32.6 tot: 31.1 m^2/s^2 ave: 10.4 10^-3 m/s^2 rel: 0.31 Storm rel vorticity (0-3000m) horiz: 7.3 stream: 2.3 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.19 Bulk Shear: 18.25 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 17 23 339 20| 0.0 11.0 11.0| 23.0 0.0 23.0 46.1 0.46| 12.4 5.7 1000 18 23 340 20| 0.0 5.2 5.2| 25.9 -11.1 14.8 14.8 0.27| 7.6 2.1 1500 15 23 337 21| 0.0 3.3 3.3| 25.9 -32.6 -6.7 -4.5 0.01| 6.5 0.1 2000 16 22 337 20| 2.2 2.5 4.7| 49.0 -32.6 16.4 8.2 0.18| 7.1 1.3 2500 20 21 338 18| 3.3 2.0 5.3| 59.5 -32.6 26.9 10.8 0.25| 7.3 1.8 3000 24 21 340 17| 3.8 1.7 5.4| 63.7 -32.6 31.1 10.4 0.31| 7.3 2.3 4000 35 20 348 13| 2.8 1.4 4.2| 63.8 -33.4 30.4 7.6 0.27| 5.8 1.6 5000 43 19 355 11| 2.3 1.3 3.6| 63.8 -34.6 29.3 5.9 0.23| 4.8 1.1 6000 48 19 1 10| 1.9 1.3 3.2| 64.8 -35.4 29.4 4.9 0.22| 4.3 0.9 Wrote GIF file: /home/apache/climate/data/raob//LGAT/skewt/LGAT.skewt.20250429.12.gif