UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121312.upa.cvt Date: 1200Z 13 DEC 25 Searching for GC018... Searching the city database file for: GC018 ... Date:1200Z 13 DEC 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 119 13.6 7.6 67 6.0 10.3 15 23 286.4 287.6 283.3 304.7 6.53 1 1000 153 13.2 8.2 72 5.0 10.4 5 17 286.4 287.5 283.6 305.5 6.83 2 925 804 8.0 5.2 82 2.8 6.5 10 26 287.5 288.5 283.2 304.4 6.00 3 890 1121 4.8 4.6 99 0.2 4.7 5 32 287.4 288.4 283.1 304.2 5.98 4 850 1495 2.6 2.3 98 0.3 2.5 360 40 288.9 289.8 283.0 304.0 5.32 5 785 2135 -1.1 -1.1 100 0.0 -1.1 2 42 291.6 292.4 283.2 304.6 4.49 6 700 3042 -6.1 -6.1 100 0.0 -6.1 5 44 295.7 296.4 283.8 306.1 3.46 7 696 3087 -6.5 -6.5 100 0.0 -6.5 5 44 295.8 296.4 283.7 305.9 3.38 8 692 3132 -6.5 -9.9 77 3.4 -7.7 6 43 296.3 296.7 283.1 304.1 2.60 9 684 3223 -6.9 -11.3 71 4.4 -8.4 6 43 296.8 297.2 283.0 304.0 2.35 10 641 3727 -10.1 -12.8 81 2.7 -11.0 10 40 298.7 299.1 283.6 305.6 2.23 11 594 4310 -13.9 -24.9 39 11.0 -16.3 15 36 300.9 301.1 282.8 303.7 0.85 12 574 4570 -14.9 -21.9 55 7.0 -16.6 17 35 302.7 302.9 284.0 306.4 1.15 13 573 4583 -14.7 -23.7 46 9.0 -16.8 17 34 303.1 303.3 283.9 306.3 0.98 14 500 5600 -22.9 -35.9 29 13.0 -24.6 25 28 305.1 305.2 284.0 306.4 0.36 15 488 5777 -24.3 -39.3 24 15.0 -26.1 24 28 305.5 305.6 284.0 306.4 0.26 16 437 6570 -30.9 -37.9 50 7.0 -31.6 22 30 307.0 307.0 284.6 308.1 0.33 17 433 6635 -31.5 -44.5 27 13.0 -32.6 22 30 307.0 307.0 284.4 307.6 0.17 18 421 6833 -32.7 -46.7 23 14.0 -33.7 21 30 307.9 308.0 284.7 308.4 0.14 19 400 7190 -35.9 -44.9 39 9.0 -36.5 20 31 308.3 308.4 284.9 309.0 0.17 20 387 7418 -37.9 -43.9 53 6.0 -38.3 15 40 308.6 308.7 285.1 309.4 0.20 21 382 7507 -37.7 -48.7 31 11.0 -38.4 13 43 310.0 310.1 285.5 310.5 0.12 22 360 7912 -40.5 -55.5 18 15.0 -41.1 5 59 311.6 311.6 285.9 311.8 0.06 23 353 8046 -36.9 -65.9 3 29.0 -37.9 2 65 318.2 318.2 288.2 318.3 0.02 24 337 8366 -37.6 -67.1 3 29.6 -38.6 355 77 321.5 321.5 289.2 321.6 0.01 25 325 8615 -38.1 -68.1 3 30.0 -39.1 358 74 324.2 324.2 290.0 324.2 0.01 26 300 9160 -41.7 -69.7 3 28.0 -42.5 5 68 326.6 326.6 290.7 326.6 0.01 27 258 10172 -48.9 -72.9 4 24.0 -49.3 357 66 330.4 330.4 291.8 330.4 0.01 28 250 10380 -47.9 -73.9 3 26.0 -48.4 355 65 334.9 334.9 293.0 334.9 0.01 29 200 11830 -54.1 -81.1 2 27.0 -54.4 345 68 347.1 347.1 296.0 347.1 0.00 30 189 12191 -56.1 -82.1 2 26.0 -56.3 345 64 349.5 349.5 296.5 349.5 0.00 31 178 12574 -53.9 -81.9 2 28.0 -54.2 345 59 359.2 359.2 298.5 359.2 0.00 32 150 13660 -58.9 -83.9 3 25.0 -59.1 345 46 368.6 368.6 300.3 368.6 0.00 33 137 14222 -63.1 -85.1 4 22.0 -63.3 335 44 370.9 370.9 300.7 370.9 0.00 34 120 15047 -57.7 -84.7 2 27.0 -58.0 337 37 395.1 395.1 304.5 395.1 0.00 35 108 15704 -62.3 -85.3 3 23.0 -62.5 339 32 398.5 398.5 305.0 398.5 0.00 36 100 16180 -61.1 -86.1 2 25.0 -61.4 340 28 409.7 409.7 306.5 409.7 0.00 37 90 16836 -58.5 -86.5 2 28.0 -58.9 327 26 427.4 427.4 308.6 427.4 0.00 38 77 17803 -62.9 -86.9 3 24.0 -63.1 307 23 437.7 437.7 309.7 437.7 0.00 39 70 18390 -61.1 -88.1 2 27.0 -61.4 295 21 453.7 453.7 311.2 453.7 0.00 40 65 18851 -60.5 -87.5 2 27.0 -60.9 294 19 464.7 464.7 312.2 464.7 0.00 41 55 19879 -66.3 -89.3 3 23.0 -66.5 291 14 474.1 474.1 313.0 474.2 0.00 42 50 20460 -64.1 -89.1 2 25.0 -64.4 290 11 492.4 492.4 314.4 492.4 0.00 43 40 21844 -58.7 -87.7 1 29.0 -59.5 538.4 538.4 317.4 538.5 0.00 44 38 22166 -59.1 -88.1 1 29.0 -59.9 545.4 545.4 317.8 545.4 0.00 TRP 137 14222 -63.1 -85.1 4 22.0 -63.3 335 44 370.9 370.9 300.7 370.9 0.00 WND 337 8366 -37.6 -67.1 3 29.6 -38.6 355 77 321.5 321.5 289.2 321.6 0.01 Sounding variables and indices 1000-500 mb thick: 5447.00 m Freezing level: 804.32 mb = 1944.69 m = 6380.12 ft Wetbulb zero: 805.05 mb = 1932.05 m = 6338.67 ft Precipitable water: 0.76 inches Sfc-500 mean rel hum: 74.43 % Est. max temperature: 15.90 C = 60.61 F Sfc-Lift cond lev (LCL): 917.24 mb = 873.24 m = 2864.92 ft T: 7.30 C 700-500 lapse rate: 6.57 C/km ThetaE index: 1.43 C Layer 925.0- 785.0 mb Conv cond level (CCL): 897.93 mb = 1048.02 m = 3438.35 ft Mean mixing ratio: 6.33 g/kg Conv temperature: 14.58 C = 58.24 F Cap Strength: 2.98 C Lifted Index: 2.74 C Risk: None Lifted Index @300 mb: 15.58 C Lifted Index @700 mb: 0.68 C Showalter Index: 3.27 C Risk: None Total Totals Index: 50.70 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 25.50 C Cross Totals Index: 25.20 C K Index: 27.80 Risk: 40-60 % chance of thunderstorms Sweat Index: 169.60 Risk: None Energy Index: 0.48 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 9.92 J/kg Max Up Vert Vel: 4.45 m/s Conv Inhibition (B-): 3.52 J/kg Cap Strength: 2.93 C Lift Cond Lev (LCL): 903.10 mb = 1000.85 m = 3283.59 ft Lev Free Conv (LFC): 888.10 mb = 1138.28 m = 3734.47 ft Equ Level (EL): 768.10 mb = 2307.19 m = 7569.44 ft B at Equ Level: 9.89 J/kg Max Parcel Lev (MPL): 698.10 mb = 3063.27 m = 10049.99 ft Wind level data Storm motion: 39 at 26 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 119 15 23 -6.0 -22.2 | 280 11 10.6 -1.9 1 1000 153 5 17 -1.5 -16.9 | 257 15 15.1 3.4 2 925 804 10 26 -4.5 -25.6 | 294 13 12.1 -5.3 3 850 1495 360 40 -0.0 -40.0 | 320 26 16.6 -19.7 4 700 3042 5 44 -3.8 -43.8 | 332 27 12.8 -23.5 5 500 5600 25 28 -11.8 -25.4 | 317 7 4.8 -5.1 6 400 7190 20 31 -10.6 -29.1 | 326 11 6.0 -8.8 7 337 8366 355 77 6.7 -76.7 | 338 61 23.3 -56.4 8 300 9160 5 68 -5.9 -67.7 | 347 49 10.7 -47.4 9 250 10380 355 65 5.7 -64.8 | 333 50 22.3 -44.4 10 200 11830 345 68 17.6 -65.7 | 323 57 34.2 -45.4 11 150 13660 345 46 11.9 -44.4 | 310 37 28.5 -24.1 12 137 14222 335 44 18.6 -39.9 | 299 40 35.2 -19.6 13 100 16180 340 28 9.6 -26.3 | 283 27 26.2 -6.0 14 70 18390 295 21 19.0 -8.9 | 252 37 35.6 11.4 15 50 20460 290 11 10.3 -3.8 | 238 32 26.9 16.5 Wind Parameters Mean winds (0-6000m): 9.2 at 35.0 knts Storm direction: 39.2 at 26.2 knts Shear (0-3000m) pos: 0.9 neg: 3.3 tot: 4.1 10-3/s Storm rel Dir Shear (0-3000m): 51.6 deg Storm rel helicity (0-3000m) pos: 103.4 neg: -14.5 tot: 89.0 m^2/s^2 ave: 29.7 10^-3 m/s^2 rel: 0.47 Storm rel vorticity (0-3000m) horiz: 6.1 stream: 2.9 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.34 Bulk Shear: 28.92 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 7 20 269 14| 0.0 2.7 2.7| 20.0 -14.5 5.6 11.1 0.08| 12.1 1.0 1000 8 24 284 14| 0.0 5.4 5.4| 48.1 -14.5 33.7 33.7 0.39| 10.9 4.3 1500 5 28 299 16| 0.0 6.5 6.5| 68.5 -14.5 54.1 36.1 0.39| 10.3 4.0 2000 4 31 307 18| 0.4 4.9 5.3| 80.3 -14.5 65.8 32.9 0.43| 8.1 3.5 2500 4 34 313 20| 0.7 3.9 4.6| 92.3 -14.5 77.8 31.1 0.46| 6.9 3.1 3000 4 35 316 21| 0.9 3.3 4.1|103.4 -14.5 89.0 29.7 0.47| 6.1 2.9 4000 5 37 321 21| 1.2 2.4 3.6|107.8 -14.5 93.3 23.3 0.40| 5.6 2.3 5000 7 36 322 20| 1.6 2.0 3.6|107.8 -18.4 89.4 17.9 0.32| 5.3 1.7 6000 9 35 322 18| 1.6 1.7 3.3|108.8 -21.9 86.9 14.5 0.27| 4.8 1.3 Wrote GIF file: /home/apache/climate/data/raob//GC018/skewt/GC018.skewt.20251213.12.gif