UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121212.upa.cvt Date: 1200Z 12 DEC 25 Searching for GC018... Searching the city database file for: GC018 ... Date:1200Z 12 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 1008 116 19.8 10.8 56 9.0 14.4 50 9 292.3 293.7 287.2 315.4 8.09 1 1007 124 20.0 11.0 56 9.0 14.6 38 9 292.6 294.0 287.4 316.0 8.20 2 1000 184 19.0 11.0 60 8.0 14.2 315 5 292.1 293.6 287.3 315.7 8.26 3 925 846 12.8 8.9 77 3.9 10.6 325 23 292.4 293.8 286.9 314.6 7.75 4 872 1338 8.6 7.3 92 1.3 7.9 339 19 293.0 294.3 286.8 314.2 7.37 5 850 1550 8.4 4.4 76 4.0 6.3 345 17 294.9 296.1 286.4 312.9 6.17 6 849 1560 13.2 -24.8 5 38.0 1.5 345 17 300.1 300.2 282.2 302.1 0.60 7 834 1710 14.2 343 17 302.7 8 700 3152 2.0 -29.0 8 31.0 -6.0 325 19 304.7 304.8 284.0 306.4 0.50 9 596 4419 -9.3 -32.3 14 23.0 -13.9 327 46 305.9 306.0 284.3 307.4 0.43 10 517 5499 -17.3 -34.3 21 17.0 -20.1 330 69 309.0 309.1 285.5 310.4 0.40 11 512 5572 -15.7 -46.7 5 31.0 -19.6 330 71 311.8 311.8 286.1 312.2 0.11 12 500 5750 -17.1 -48.1 5 31.0 -20.7 330 75 312.2 312.2 286.2 312.6 0.10 13 455 6447 -23.9 -50.9 6 27.0 -26.3 328 73 312.2 312.2 286.2 312.5 0.08 14 434 6791 -25.1 -56.1 4 31.0 -27.5 327 72 314.9 314.9 287.1 315.1 0.04 15 400 7380 -28.3 -60.3 3 32.0 -30.3 325 71 318.2 318.2 288.2 318.3 0.03 16 355 8222 -35.4 -61.8 5 26.4 -36.5 320 83 319.7 319.7 288.7 319.8 0.03 17 352 8281 -35.9 -61.9 5 26.0 -37.0 319 82 319.8 319.8 288.7 319.9 0.03 18 349 8341 -34.7 -65.7 3 31.0 -36.0 317 80 322.2 322.2 289.5 322.3 0.02 19 300 9380 -42.1 -68.1 4 26.0 -42.8 295 58 326.0 326.0 290.6 326.1 0.01 20 292 9563 -43.5 -68.5 5 25.0 -44.2 293 64 326.6 326.6 290.7 326.6 0.01 21 257 10418 -47.7 -69.7 6 22.0 -48.1 282 91 332.5 332.5 292.4 332.6 0.01 22 250 10600 -49.5 -69.5 8 20.0 -49.9 280 97 332.5 332.5 292.4 332.5 0.01 23 223 11336 -56.5 -71.5 13 15.0 -56.7 277 95 332.8 332.8 292.4 332.8 0.01 24 200 12020 -59.7 -74.7 12 15.0 -59.9 275 93 338.2 338.2 293.9 338.3 0.01 25 199 12051 -59.7 -74.7 12 15.0 -59.9 275 93 338.7 338.7 294.0 338.7 0.01 26 182 12606 -61.5 -78.5 9 17.0 -61.6 277 87 344.5 344.5 295.4 344.6 0.00 27 177 12779 -59.5 -80.5 5 21.0 -59.7 277 85 350.6 350.6 296.8 350.6 0.00 28 155 13599 -64.3 -83.3 6 19.0 -64.4 280 77 356.0 356.0 297.9 356.0 0.00 29 150 13800 -63.5 -84.5 4 21.0 -63.6 285 75 360.7 360.7 298.8 360.7 0.00 30 100 16290 -64.1 -88.1 2 24.0 -64.3 290 42 403.9 403.9 305.7 403.9 0.00 31 78 17799 -65.5 -88.5 3 23.0 -65.7 273 23 430.7 430.7 308.9 430.7 0.00 32 70 18450 -68.7 -89.7 3 21.0 -68.8 265 15 437.4 437.4 309.6 437.4 0.00 33 63 19084 -65.7 -89.7 2 24.0 -65.9 274 14 457.4 457.4 311.5 457.4 0.00 34 59 19479 -67.7 -90.7 2 23.0 -67.9 280 14 461.6 461.6 311.9 461.6 0.00 35 55 19903 -65.5 -90.5 2 25.0 -65.8 287 14 476.0 476.0 313.1 476.0 0.00 36 50 20480 -66.5 -90.5 2 24.0 -66.8 295 13 486.8 486.8 314.0 486.8 0.00 37 48 20727 -66.9 -90.9 2 24.0 -67.1 296 14 491.5 491.5 314.4 491.5 0.00 38 44 21262 -60.9 -89.9 1 29.0 -61.5 298 15 518.6 518.6 316.2 518.6 0.00 39 37 22347 -58.9 -88.9 1 30.0 -59.7 301 18 550.1 550.1 318.1 550.1 0.00 40 33 23061 -61.5 -89.5 1 28.0 -62.2 303 20 561.5 561.5 318.7 561.5 0.00 41 30 23660 -56.7 -88.7 1 32.0 -58.0 305 21 590.1 590.1 320.2 590.1 0.00 42 28 24099 -54.1 -87.1 1 33.0 -55.9 306 22 609.1 609.1 321.0 609.1 0.01 43 25 24822 -54.7 -87.7 1 33.0 -56.6 307 25 627.4 627.4 321.8 627.4 0.01 44 25 24822 -54.7 -87.7 1 33.0 -56.6 307 25 627.4 627.4 321.8 627.4 0.01 45 22 25645 -50.9 -85.9 1 35.0 -53.9 309 27 662.1 662.1 323.2 662.2 0.01 46 22 25645 -50.9 -85.9 1 35.0 -53.9 309 27 662.1 662.1 323.2 662.2 0.01 47 20 26260 -53.9 -85.9 1 32.0 -56.3 310 29 671.2 671.2 323.4 671.3 0.01 48 19 26589 -54.7 -86.7 1 32.0 -57.1 678.6 678.6 323.7 678.7 0.01 49 16 27694 -52.3 -86.3 1 34.0 -55.6 720.6 720.6 325.1 720.8 0.01 50 14 28568 -47.3 -84.3 1 37.0 -52.8 765.6 765.7 326.4 765.8 0.02 51 12 29587 -47.5 -84.5 1 37.0 -53.4 799.4 799.5 327.3 799.7 0.03 TRP 155 13599 -64.3 -83.3 6 19.0 -64.4 280 77 356.0 356.0 297.9 356.0 0.00 WND 355 8222 -35.4 -61.8 5 26.4 -36.5 320 83 319.7 319.7 288.7 319.8 0.03 Sounding variables and indices 1000-500 mb thick: 5566.00 m Freezing level: 681.59 mb = 3376.22 m = 11076.71 ft Wetbulb zero: 819.27 mb = 1856.23 m = 6089.93 ft Precipitable water: 0.55 inches Sfc-500 mean rel hum: 34.25 % Est. max temperature: 21.75 C = 71.16 F Sfc-Lift cond lev (LCL): 881.88 mb = 1244.43 m = 4082.71 ft T: 9.40 C 700-500 lapse rate: 7.35 C/km ThetaE index: 13.96 C Layer 1000.0- 834.0 mb Conv cond level (CCL): 742.14 mb = 2670.61 m = 8761.72 ft Mean mixing ratio: 7.97 g/kg Conv temperature: 31.62 C = 88.92 F Cap Strength: 7.91 C Lifted Index: 2.10 C Risk: None Lifted Index @300 mb: 8.10 C Lifted Index @700 mb: 3.68 C Showalter Index: 3.39 C Risk: None Total Totals Index: 47.00 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 25.50 C Cross Totals Index: 21.50 C K Index: -1.10 Risk: None Sweat Index: 161.80 Risk: None Energy Index: 0.03 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 1.05 J/kg Max Up Vert Vel: 1.45 m/s Conv Inhibition (B-): 43421.55 J/kg Cap Strength: 7.75 C Lift Cond Lev (LCL): 878.57 mb = 1275.77 m = 4185.54 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 360 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 1008 116 50 9 -6.9 -5.8 | 161 21 -6.9 19.9 1 1000 184 315 5 3.5 -3.5 | 189 22 3.5 22.1 2 925 846 325 23 13.2 -18.8 | 243 15 13.1 6.8 3 850 1550 345 17 4.4 -16.4 | 205 10 4.4 9.3 4 700 3152 325 19 10.9 -15.6 | 227 15 10.9 10.1 5 500 5750 330 75 37.5 -65.0 | 316 54 37.5 -39.3 6 400 7380 325 71 40.7 -58.2 | 309 52 40.7 -32.5 7 355 8222 320 83 53.4 -63.6 | 305 65 53.3 -37.9 8 300 9380 295 58 52.6 -24.5 | 269 53 52.5 1.2 9 250 10600 280 97 95.5 -16.8 | 265 96 95.5 8.8 10 200 12020 275 93 92.6 -8.1 | 259 94 92.6 17.6 11 155 13599 280 77 75.8 -13.4 | 261 77 75.8 12.3 12 150 13800 285 75 72.4 -19.4 | 265 73 72.4 6.3 13 100 16290 290 42 39.5 -14.4 | 254 41 39.4 11.3 14 70 18450 265 15 14.9 1.3 | 209 31 14.9 27.0 15 50 20480 295 13 11.8 -5.5 | 210 23 11.7 20.2 16 30 23660 305 21 17.2 -12.0 | 232 22 17.2 13.6 17 20 26260 310 29 22.2 -18.6 | 252 23 22.2 7.0 Wind Parameters Mean winds (0-6000m): 329.9 at 34.2 knts Storm direction: 359.9 at 25.7 knts Shear (0-3000m) pos: 1.1 neg: 4.2 tot: 5.3 10-3/s Storm rel Dir Shear (0-3000m): 66.0 deg Storm rel helicity (0-3000m) pos: 143.6 neg: -19.9 tot: 123.7 m^2/s^2 ave: 41.2 10^-3 m/s^2 rel: 0.55 Storm rel vorticity (0-3000m) horiz: 7.4 stream: 4.1 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.01 Bulk Shear: 76.10 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 ------------------------------------------------------------------------------- 500 323 10 199 18| 0.0 19.3 19.3|107.4 0.0 107.4 214.7 0.93| 22.8 21.2 1000 326 16 214 15| 2.8 9.7 12.4|130.3 -6.2 124.2 124.2 0.78| 16.2 12.6 1500 331 17 216 14| 2.3 6.4 8.7|130.3 -19.9 110.4 73.6 0.53| 12.6 6.7 2000 333 17 215 13| 1.7 5.3 7.0|135.2 -19.9 115.3 57.6 0.55| 10.0 5.5 2500 334 17 216 13| 1.4 4.6 6.0|139.7 -19.9 119.8 47.9 0.56| 8.4 4.7 3000 333 17 218 13| 1.1 4.2 5.3|143.6 -19.9 123.7 41.2 0.55| 7.4 4.1 4000 330 20 231 13| 2.8 3.1 5.9|225.0 -19.9 205.1 51.3 0.66| 8.2 5.4 5000 330 26 258 14| 4.4 2.5 6.9|316.1 -19.9 296.2 59.2 0.62| 8.8 5.5 6000 330 34 283 18| 4.6 2.3 6.9|377.3 -39.5 337.8 56.3 0.56| 8.6 4.8 Wrote GIF file: /home/apache/climate/data/raob//GC018/skewt/GC018.skewt.20251212.12.gif