UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041800.upa.cvt Date: 0000Z 18 APR 25 Searching for GC018... Searching the city database file for: GC018 ... Date:0000Z 18 APR 25 Station: GC018 WMO ident: 60018 Latitude: 28.32 Longitude: -16.38 ------------------------------------------------------------------------------- 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 1004 117 18.2 10.2 60 8.0 13.5 185 7 291.0 292.4 286.5 313.2 7.80 1 1000 151 18.8 9.8 56 9.0 13.5 175 6 292.0 293.3 286.6 313.7 7.62 2 999 160 19.0 10.0 56 9.0 13.7 177 6 292.2 293.6 286.9 314.3 7.73 3 952 572 15.8 7.8 59 8.0 11.2 276 5 293.0 294.3 286.4 313.1 6.98 4 925 816 15.6 4.6 48 11.0 9.6 335 5 295.3 296.3 286.1 312.1 5.75 5 902 1029 14.8 1.8 41 13.0 8.0 345 7 296.6 297.4 285.6 310.8 4.83 6 882 1219 17.0 -9.0 16 26.0 5.7 355 9 300.8 301.2 284.4 307.6 2.19 7 850 1533 15.6 -14.4 11 30.0 3.9 10 12 302.5 302.8 284.2 307.2 1.47 8 832 1714 15.4 -22.6 6 38.0 2.6 11 12 304.1 304.3 284.0 306.6 0.75 9 771 2353 11.2 -27.8 5 39.0 -0.3 15 11 306.3 306.4 284.6 308.0 0.50 10 700 3149 5.4 -30.6 5 36.0 -4.1 20 11 308.5 308.5 285.3 309.9 0.43 11 582 4632 -4.3 -36.3 6 32.0 -11.0 320 15 313.9 313.9 287.1 314.9 0.29 12 540 5217 -8.9 -16.9 52 8.0 -11.5 295 17 315.2 315.5 289.2 321.4 1.88 13 516 5568 -11.1 -18.1 56 7.0 -13.3 280 18 316.6 317.0 289.5 322.6 1.78 14 500 5810 -12.1 -21.1 47 9.0 -14.7 270 19 318.3 318.6 289.7 323.1 1.42 15 464 6376 -16.1 -26.1 42 10.0 -18.5 265 26 320.2 320.4 289.9 323.6 0.98 16 403 7416 -25.1 -35.1 39 10.0 -26.6 256 40 321.7 321.8 289.8 323.4 0.48 17 400 7470 -25.3 -36.3 35 11.0 -26.9 255 41 322.1 322.2 289.9 323.7 0.43 18 390 7654 -25.7 -46.7 12 21.0 -27.9 255 42 323.9 324.0 290.1 324.5 0.15 19 387 7710 -25.9 -42.9 19 17.0 -27.9 255 42 324.4 324.4 290.3 325.2 0.22 20 330 8840 -36.3 -44.3 43 8.0 -37.0 255 47 325.2 325.3 290.6 326.1 0.23 21 329 8861 -36.1 -51.1 20 15.0 -37.1 255 47 325.8 325.8 290.6 326.2 0.11 22 315 9163 -36.9 -59.9 7 23.0 -38.0 255 48 328.7 328.7 291.4 328.9 0.04 23 300 9500 -38.3 -66.3 4 28.0 -39.4 255 50 331.4 331.4 292.1 331.5 0.02 24 270 10221 -41.1 -70.1 3 29.0 -42.0 252 68 337.5 337.5 293.7 337.5 0.01 25 250 10740 -44.7 -68.7 5 24.0 -45.4 250 82 339.6 339.6 294.3 339.7 0.01 26 235 11152 -47.3 -71.3 5 24.0 -47.9 250 86 341.7 341.7 294.7 341.8 0.01 27 221 11557 -48.7 -73.5 4 24.8 -49.3 250 89 345.6 345.6 295.7 345.6 0.01 28 200 12210 -51.1 -77.1 3 26.0 -51.5 250 83 351.8 351.9 297.0 351.9 0.01 29 159 13683 -57.7 -83.7 2 26.0 -57.9 250 72 364.5 364.5 299.6 364.6 0.00 30 150 14050 -59.1 -85.1 2 26.0 -59.3 250 69 368.3 368.3 300.2 368.3 0.00 31 127 15074 -65.7 -87.7 3 22.0 -65.8 252 56 374.3 374.3 301.3 374.3 0.00 32 100 16510 -69.5 -88.5 5 19.0 -69.6 255 37 393.4 393.4 304.3 393.5 0.00 33 87 17339 -72.1 -89.1 6 17.0 -72.2 230 30 404.2 404.2 305.7 404.2 0.00 34 70 18630 -70.1 -90.1 4 20.0 -70.2 255 19 434.4 434.4 309.3 434.4 0.00 35 50 20640 -66.5 -90.5 2 24.0 -66.8 155 10 486.8 486.8 314.0 486.8 0.00 36 48 20889 -63.3 -90.3 1 27.0 -63.7 158 10 500.1 500.1 314.9 500.1 0.00 37 40 22023 -58.5 -87.5 1 29.0 -59.3 170 8 538.9 538.9 317.5 539.0 0.00 38 38 22344 -60.5 -88.5 1 28.0 -61.2 174 8 541.8 541.8 317.6 541.8 0.00 39 35 22862 -56.3 -87.3 1 31.0 -57.5 179 7 565.7 565.7 318.9 565.7 0.01 40 30 23840 -56.7 -87.7 1 31.0 -58.0 190 6 590.1 590.1 320.2 590.1 0.01 41 23 25542 -50.9 -84.9 1 34.0 -53.8 219 5 653.7 653.7 322.8 653.8 0.01 42 20 26450 -50.9 -84.9 1 34.0 -54.1 235 4 680.4 680.4 323.8 680.5 0.01 43 18 27136 -50.1 -84.1 1 34.0 -53.8 245 9 703.7 703.7 324.6 703.9 0.02 44 18 27136 -50.3 -84.3 1 34.0 -53.9 245 9 703.1 703.1 324.6 703.2 0.02 45 15 28343 -43.9 -81.9 1 38.0 -50.5 262 17 762.0 762.0 326.3 762.3 0.03 46 12 29827 -47.9 -82.9 1 35.0 -53.6 283 27 798.0 798.0 327.2 798.3 0.03 47 11 30406 -43.9 -81.9 1 38.0 -51.7 291 31 832.7 832.7 328.0 833.1 0.04 48 11 30406 -44.7 -82.7 1 38.0 -52.2 291 31 829.8 829.8 328.0 830.1 0.04 49 10 31050 -39.9 -80.9 0 41.0 -50.3 300 35 870.6 870.6 328.8 871.2 0.06 50 9.9 31119 -38.9 -79.9 1 41.0 -49.8 876.9 876.9 329.0 877.6 0.07 51 9.0 31773 -38.5 -80.5 0 42.0 -50.1 902.6 902.7 329.5 903.3 0.07 52 8.4 32246 -40.3 -81.3 0 41.0 -51.2 913.6 913.6 329.7 914.2 0.06 TRP 87 17339 -72.1 -89.1 6 17.0 -72.2 230 30 404.2 404.2 305.7 404.2 0.00 WND 221 11557 -48.7 -73.5 4 24.8 -49.3 250 89 345.6 345.6 295.7 345.6 0.01 Sounding variables and indices 1000-500 mb thick: 5659.00 m Freezing level: 634.31 mb = 3974.39 m = 13039.18 ft Wetbulb zero: 777.91 mb = 2277.87 m = 7473.23 ft Precipitable water: 0.46 inches Sfc-500 mean rel hum: 21.91 % Est. max temperature: 29.46 C = 85.03 F Sfc-Lift cond lev (LCL): 891.16 mb = 1131.53 m = 3712.32 ft T: 15.99 C 700-500 lapse rate: 6.58 C/km ThetaE index: 7.72 C Layer 952.0- 771.0 mb Conv cond level (CCL): 652.52 mb = 3713.06 m = 12181.81 ft Mean mixing ratio: 6.66 g/kg Conv temperature: 37.76 C = 99.96 F Cap Strength: 10.02 C Lifted Index: 8.39 C Risk: None Lifted Index @300 mb: 13.36 C Lifted Index @700 mb: 8.08 C Showalter Index: 12.02 C Risk: None Total Totals Index: 25.40 C Risk: None Vertical Totals Index: 27.70 C Cross Totals Index: -2.30 C K Index: -22.70 Risk: None Sweat Index: 43.00 Risk: None Energy Index: 3.30 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 17.82 J/kg Max Up Vert Vel: 5.97 m/s Conv Inhibition (B-): 47897.44 J/kg Cap Strength: 10.02 C Lift Cond Lev (LCL): 827.55 mb = 1758.93 m = 5770.71 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 358 at 9 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 1004 117 185 7 0.6 7.0 | 181 16 0.2 16.4 1 1000 151 175 6 -0.5 6.0 | 177 15 -0.9 15.4 2 925 816 335 5 2.1 -4.5 | 199 5 1.7 4.9 3 850 1533 10 12 -2.1 -11.8 | 46 3 -2.5 -2.4 4 700 3149 20 11 -3.8 -10.3 | 78 4 -4.2 -0.9 5 500 5810 270 19 19.0 -0.0 | 243 21 18.6 9.4 6 400 7470 255 41 39.6 10.6 | 243 44 39.2 20.0 7 300 9500 255 50 48.3 12.9 | 245 53 47.9 22.4 8 250 10740 250 82 77.1 28.0 | 244 85 76.6 37.5 9 221 11557 250 89 83.6 30.4 | 244 92 83.2 39.9 10 200 12210 250 83 78.0 28.4 | 244 86 77.6 37.8 11 150 14050 250 69 64.8 23.6 | 243 72 64.4 33.0 12 100 16510 255 37 35.7 9.6 | 242 40 35.3 19.0 13 87 17339 230 30 23.0 19.3 | 218 37 22.6 28.7 14 70 18630 255 19 18.4 4.9 | 231 23 17.9 14.3 15 50 20640 155 10 -4.2 9.1 | 166 19 -4.6 18.5 16 30 23840 190 6 1.0 5.9 | 182 15 0.6 15.3 17 20 26450 235 4 3.3 2.3 | 194 12 2.9 11.7 18 10 31050 300 35 30.3 -17.5 | 285 31 29.9 -8.1 Wind Parameters Mean winds (0-6000m): 327.5 at 12.6 knts Storm direction: 357.5 at 9.4 knts Shear (0-3000m) pos: 3.1 neg: 0.0 tot: 3.1 10-3/s Storm rel Dir Shear (0-3000m): -103.5 deg Storm rel helicity (0-3000m) pos: 27.9 neg: -2.0 tot: 25.9 m^2/s^2 ave: 8.6 10^-3 m/s^2 rel: 0.42 Storm rel vorticity (0-3000m) horiz: 4.5 stream: 1.9 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.58 Bulk Shear: 30.90 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 ------------------------------------------------------------------------------- 500 220 6 193 14| 9.9 0.0 9.9| 24.8 0.0 24.8 49.7 0.65| 11.0 7.2 1000 317 6 215 6| 7.6 0.0 7.6| 25.6 -2.0 23.6 23.6 0.36| 9.4 3.4 1500 357 7 181 2| 6.5 0.0 6.5| 26.0 -2.0 24.0 16.0 0.37| 8.4 3.1 2000 4 8 137 1| 4.8 0.0 4.8| 26.6 -2.0 24.6 12.3 0.39| 6.5 2.5 2500 8 9 106 2| 3.8 0.0 3.8| 27.2 -2.0 25.3 10.1 0.40| 5.3 2.1 3000 10 9 94 2| 3.1 0.0 3.1| 27.9 -2.0 25.9 8.6 0.42| 4.5 1.9 4000 6 10 67 2| 2.3 1.1 3.4| 27.9 -9.7 18.2 4.5 0.08| 4.6 0.4 5000 351 11 320 2| 1.8 1.9 3.8| 27.9 -29.5 -1.6 -0.3 -0.09| 4.9 -0.5 6000 328 13 281 6| 1.5 2.5 4.0| 32.3 -60.8 -28.5 -4.8 -0.17| 5.2 -0.9 Wrote GIF file: /home/apache/climate/data/raob//GC018/skewt/GC018.skewt.20250418.00.gif