UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041812.upa.cvt Date: 1200Z 18 APR 25 Searching for GC018... Searching the city database file for: GC018 ... Date:1200Z 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 118 22.4 11.4 50 11.0 15.6 70 11 295.2 296.7 288.6 319.6 8.45 1 1002 135 20.0 12.0 60 8.0 15.1 68 10 293.0 294.6 288.2 318.2 8.82 2 1000 152 20.4 12.4 60 8.0 15.4 65 9 293.5 295.2 288.6 319.5 9.08 3 925 819 16.2 6.2 51 10.0 10.6 330 2 295.9 297.0 286.9 314.7 6.43 4 891 1136 14.4 5.4 55 9.0 9.4 352 7 297.2 298.3 287.3 315.8 6.32 5 883 1213 15.8 1.8 39 14.0 8.4 357 9 299.4 300.3 286.8 314.2 4.93 6 850 1535 13.6 -2.4 33 16.0 5.8 20 14 300.4 301.1 285.9 311.8 3.77 7 774 2315 8.2 -9.8 27 18.0 0.8 329 13 302.7 303.2 285.4 310.1 2.34 8 768 2380 9.0 -12.0 21 21.0 0.6 325 13 304.3 304.6 285.5 310.6 1.98 9 700 3140 4.0 -14.0 26 18.0 -2.7 275 12 306.9 307.3 286.4 312.8 1.85 10 694 3210 3.4 -13.6 28 17.0 -3.0 274 12 307.0 307.4 286.5 313.2 1.93 11 686 3304 3.2 -17.8 20 21.0 -4.0 274 13 307.8 308.1 286.1 312.3 1.37 12 676 3423 4.0 -32.0 5 36.0 -5.2 273 14 310.0 310.1 285.8 311.3 0.39 13 542 5180 -8.5 -26.5 22 18.0 -13.1 260 23 315.3 315.5 288.1 318.1 0.81 14 519 5515 -11.5 -21.5 43 10.0 -14.3 257 25 315.6 315.9 288.8 320.1 1.32 15 500 5800 -13.1 -26.1 33 13.0 -16.3 255 27 317.1 317.2 288.8 320.2 0.91 16 477 6157 -14.7 -45.7 5 31.0 -19.0 257 30 319.4 319.4 288.7 319.9 0.13 17 428 6965 -21.1 -44.1 11 23.0 -24.0 262 37 321.3 321.3 289.3 322.0 0.18 18 421 7087 -21.7 -33.7 33 12.0 -23.8 263 39 322.0 322.1 289.9 323.9 0.53 19 400 7460 -25.1 -35.1 39 10.0 -26.6 265 42 322.4 322.5 290.0 324.1 0.48 20 331 8799 -36.9 -38.8 82 1.9 -37.1 252 46 324.1 324.2 290.5 325.6 0.40 21 319 9052 -39.3 -42.6 71 3.3 -39.6 249 47 324.2 324.3 290.3 325.3 0.28 22 313 9182 -40.1 -48.1 42 8.0 -40.6 248 47 324.9 324.9 290.4 325.5 0.16 23 310 9247 -39.7 -68.7 3 29.0 -40.6 247 47 326.3 326.3 290.7 326.4 0.01 24 300 9470 -41.3 -65.3 6 24.0 -42.1 245 48 327.2 327.2 290.9 327.2 0.02 25 274 10080 -45.1 -67.1 7 22.0 -45.7 243 58 330.2 330.2 291.8 330.3 0.02 26 250 10690 -46.9 -70.9 5 24.0 -47.4 240 68 336.3 336.3 293.4 336.4 0.01 27 249 10717 -47.1 -71.1 5 24.0 -47.6 240 68 336.4 336.4 293.4 336.5 0.01 28 227 11327 -51.3 -73.3 6 22.0 -51.7 242 76 339.0 339.0 294.1 339.1 0.01 29 200 12150 -53.5 -77.5 4 24.0 -53.8 245 86 348.0 348.0 296.2 348.1 0.00 30 170 13184 -56.7 -81.2 3 24.6 -56.9 250 93 359.4 359.4 298.6 359.4 0.00 31 150 13970 -59.1 -84.1 3 25.0 -59.3 235 79 368.3 368.3 300.2 368.3 0.00 32 149 14012 -59.5 -84.5 2 25.0 -59.7 235 78 368.3 368.3 300.2 368.3 0.00 33 143 14270 -58.1 -85.1 2 27.0 -58.3 236 75 375.1 375.1 301.4 375.1 0.00 34 100 16470 -67.7 -88.7 3 21.0 -67.8 240 48 396.9 396.9 304.8 396.9 0.00 35 83 17585 -71.3 -89.3 5 18.0 -71.4 265 25 411.3 411.3 306.7 411.3 0.00 36 70 18600 -68.9 -89.9 3 21.0 -69.0 280 23 437.0 437.0 309.6 437.0 0.00 37 57 19842 -65.3 -89.3 2 24.0 -65.5 326 14 471.6 471.6 312.8 471.6 0.00 38 50 20640 -65.5 -89.5 2 24.0 -65.8 355 8 489.1 489.1 314.1 489.1 0.00 39 35 22855 -55.9 -86.9 1 31.0 -57.2 68 12 566.7 566.7 319.0 566.7 0.01 40 30 23830 -57.7 -86.7 1 29.0 -58.9 100 14 587.3 587.3 320.0 587.4 0.01 41 26 24740 -53.9 -84.9 1 31.0 -55.9 132 15 622.7 622.7 321.6 622.7 0.01 42 23 25523 -55.7 -85.7 1 30.0 -57.5 159 16 639.6 639.6 322.3 639.7 0.01 43 20 26420 -51.7 -83.7 1 32.0 -54.7 190 17 677.9 677.9 323.7 678.1 0.02 44 19 26754 -50.3 -83.3 1 33.0 -53.8 692.3 692.3 324.2 692.4 0.02 45 17 27489 -44.9 -81.9 1 37.0 -50.7 732.0 732.0 325.4 732.2 0.03 46 15 28319 -48.3 -82.3 1 34.0 -53.1 747.4 747.4 325.8 747.6 0.03 47 12 29809 -42.1 -80.1 1 38.0 -50.4 818.6 818.6 327.7 819.1 0.05 TRP 83 17585 -71.3 -89.3 5 18.0 -71.4 265 25 411.3 411.3 306.7 411.3 0.00 WND 170 13184 -56.7 -81.2 3 24.6 -56.9 250 93 359.4 359.4 298.6 359.4 0.00 Sounding variables and indices 1000-500 mb thick: 5648.00 m Freezing level: 633.12 mb = 3985.39 m = 13075.26 ft Wetbulb zero: 755.67 mb = 2512.42 m = 8242.75 ft Precipitable water: 0.65 inches Sfc-500 mean rel hum: 28.69 % Est. max temperature: 27.47 C = 81.44 F Sfc-Lift cond lev (LCL): 853.38 mb = 1501.42 m = 4925.87 ft T: 13.83 C 700-500 lapse rate: 6.43 C/km ThetaE index: 5.69 C Layer 883.0- 768.0 mb Conv cond level (CCL): 706.38 mb = 3065.65 m = 10057.77 ft Mean mixing ratio: 7.50 g/kg Conv temperature: 33.86 C = 92.95 F Cap Strength: 6.62 C Lifted Index: 5.16 C Risk: None Lifted Index @300 mb: 7.78 C Lifted Index @700 mb: 4.98 C Showalter Index: 8.09 C Risk: None Total Totals Index: 37.40 C Risk: None Vertical Totals Index: 26.70 C Cross Totals Index: 10.70 C K Index: 6.30 Risk: None Sweat Index: 55.00 Risk: None Energy Index: 1.83 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 8.57 J/kg Max Up Vert Vel: 4.14 m/s Conv Inhibition (B-): 53009.72 J/kg Cap Strength: 6.58 C Lift Cond Lev (LCL): 833.43 mb = 1699.04 m = 5574.20 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 307 at 12 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 118 70 11 -10.3 -3.8 | 99 20 -19.5 3.2 1 1000 152 65 9 -8.2 -3.8 | 100 18 -17.4 3.2 2 925 819 330 2 1.0 -1.7 | 123 10 -8.2 5.3 3 850 1535 20 14 -4.8 -13.2 | 66 15 -14.0 -6.2 4 700 3140 275 12 12.0 -1.0 | 205 7 2.8 5.9 5 500 5800 255 27 26.1 7.0 | 230 22 16.9 14.0 6 400 7460 265 42 41.8 3.7 | 252 34 32.6 10.6 7 300 9470 245 48 43.5 20.3 | 232 44 34.3 27.3 8 250 10690 240 68 58.9 34.0 | 230 64 49.7 41.0 9 200 12150 245 86 77.9 36.3 | 238 81 68.7 43.3 10 170 13184 250 93 87.4 31.8 | 244 87 78.2 38.8 11 150 13970 235 79 64.7 45.3 | 227 76 55.5 52.3 12 100 16470 240 48 41.6 24.0 | 226 45 32.4 31.0 13 83 17585 265 25 24.9 2.2 | 240 18 15.7 9.2 14 70 18600 280 23 22.7 -4.0 | 257 14 13.4 3.0 15 50 20640 355 8 0.7 -8.0 | 83 9 -8.5 -1.0 16 30 23830 100 14 -13.8 2.4 | 112 25 -23.0 9.4 17 20 26420 190 17 3.0 16.7 | 165 25 -6.3 23.7 Wind Parameters Mean winds (0-6000m): 277.2 at 15.4 knts Storm direction: 307.2 at 11.6 knts Shear (0-3000m) pos: 1.4 neg: 4.9 tot: 6.2 10-3/s Storm rel Dir Shear (0-3000m): 106.7 deg Storm rel helicity (0-3000m) pos: 12.1 neg: -46.2 tot: -34.1 m^2/s^2 ave: -11.4 10^-3 m/s^2 rel: -0.35 Storm rel vorticity (0-3000m) horiz: 8.7 stream: -3.1 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.15 Bulk Shear: 55.62 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 48 7 100 14| 0.0 10.7 10.7| 5.9 -3.8 2.1 4.2 0.11| 11.4 1.2 1000 36 5 102 13| 0.0 6.1 6.1| 12.1 -14.1 -2.0 -2.0 -0.05| 9.7 -0.5 1500 28 7 93 13| 2.7 4.1 6.8| 12.1 -28.1 -16.0 -10.7 -0.21| 9.7 -2.0 2000 16 9 83 12| 2.1 4.9 7.0| 12.1 -39.8 -27.7 -13.8 -0.27| 9.3 -2.5 2500 4 10 75 10| 1.6 5.1 6.8| 12.1 -43.4 -31.2 -12.5 -0.31| 9.0 -2.8 3000 355 10 69 9| 1.4 4.9 6.2| 12.1 -46.2 -34.1 -11.4 -0.35| 8.7 -3.1 4000 321 11 50 3| 1.0 4.4 5.4| 18.9 -46.2 -27.3 -6.8 -0.26| 7.3 -1.9 5000 293 13 238 3| 0.8 4.2 5.0| 22.2 -46.2 -24.0 -4.8 -0.22| 6.5 -1.4 6000 277 15 230 8| 0.5 3.7 4.2| 34.0 -47.3 -13.4 -2.2 -0.17| 6.0 -1.0 Wrote GIF file: /home/apache/climate/data/raob//GC018/skewt/GC018.skewt.20250418.12.gif