UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101812.upa.cvt Date: 1200Z 18 OCT 25 Searching for GC018... Searching the city database file for: GC018 ... Date:1200Z 18 OCT 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 1002 121 25.6 18.6 65 7.0 20.8 85 5 298.6 301.0 293.9 338.1 13.58 1 1000 138 24.2 19.2 74 5.0 20.8 110 4 297.4 299.9 293.9 338.3 14.14 2 997 164 23.0 18.3 75 4.7 19.8 117 4 296.4 298.8 293.0 335.0 13.39 3 971 394 21.2 17.0 77 4.2 18.4 178 3 296.8 299.1 292.6 333.4 12.65 4 925 814 18.8 15.9 83 2.9 16.9 290 2 298.5 300.8 292.9 334.5 12.38 5 850 1539 16.0 12.5 80 3.5 13.7 360 2 302.9 304.9 293.0 334.9 10.78 6 805 2000 13.2 12.2 94 1.0 12.6 350 4 304.7 306.7 293.9 338.0 11.16 7 737 2739 9.0 7.0 87 2.0 7.8 334 8 307.9 309.5 292.7 333.9 8.56 8 720 2932 8.6 2.6 66 6.0 5.3 330 9 309.5 310.7 291.5 329.3 6.42 9 713 3014 9.8 -34.2 3 44.0 -1.9 328 9 311.7 311.7 286.3 312.8 0.30 10 710 3049 10.0 -33.0 3 43.0 -1.8 328 9 312.3 312.4 286.5 313.5 0.33 11 700 3167 9.8 -35.2 3 45.0 -2.1 325 10 313.3 313.4 286.8 314.3 0.27 12 670 3530 8.0 330 12 315.3 13 562 4958 -0.7 -14.7 34 14.0 -6.1 351 21 321.3 321.7 291.3 328.6 2.17 14 550 5130 -2.1 -8.1 63 6.0 -4.8 354 22 321.6 322.3 292.8 334.0 3.78 15 533 5378 -4.1 -8.8 70 4.7 -6.2 357 24 322.1 322.8 292.9 334.3 3.69 16 500 5880 -7.3 -13.3 62 6.0 -9.6 5 27 324.1 324.7 292.6 333.4 2.74 17 472 6326 -10.1 -16.1 61 6.0 -12.3 5 28 326.1 326.5 292.8 333.9 2.31 18 466 6424 -10.3 -23.3 34 13.0 -14.2 5 28 327.0 327.3 292.1 331.4 1.26 19 460 6524 -10.9 -24.9 31 14.0 -14.8 5 28 327.5 327.7 292.1 331.4 1.10 20 441 6846 -13.1 -30.1 23 17.0 -17.1 5 29 328.7 328.8 292.0 331.3 0.71 21 426 7108 -15.5 -23.5 50 8.0 -17.7 5 30 328.9 329.1 292.7 333.6 1.35 22 408 7432 -17.5 -29.5 34 12.0 -20.3 5 31 330.4 330.5 292.6 333.3 0.81 23 400 7580 -18.5 -26.5 49 8.0 -20.5 5 31 330.9 331.2 293.0 334.9 1.10 24 388 7806 -20.1 -26.1 59 6.0 -21.6 4 30 331.7 332.0 293.3 336.0 1.17 25 354 8480 -24.5 -40.5 21 16.0 -26.8 3 29 334.6 334.7 293.3 335.9 0.32 26 312 9385 -32.3 -38.3 55 6.0 -33.1 1 27 336.1 336.2 293.8 337.8 0.45 27 300 9660 -34.7 -41.7 49 7.0 -35.4 360 26 336.5 336.5 293.7 337.7 0.33 28 250 10900 -45.3 -51.3 51 6.0 -45.6 10 27 338.7 338.7 294.1 339.3 0.14 29 233 11366 -48.9 -57.9 34 9.0 -49.2 10 31 340.1 340.2 294.4 340.4 0.07 30 215 11889 -53.7 -59.7 48 6.0 -53.9 10 36 340.6 340.6 294.5 340.8 0.06 31 200 12350 -57.1 -61.4 58 4.3 -57.2 10 40 342.3 342.4 294.9 342.5 0.05 32 194 12543 -57.7 -70.7 18 13.0 -57.9 11 41 344.4 344.4 295.4 344.4 0.01 33 187 12775 -58.7 -73.7 13 15.0 -58.9 11 42 346.4 346.4 295.8 346.4 0.01 34 164 13594 -63.1 -74.1 21 11.0 -63.2 13 46 352.3 352.3 297.1 352.3 0.01 35 150 14140 -66.3 -78.3 17 12.0 -66.4 15 49 355.9 355.9 297.9 355.9 0.01 36 142 14470 -68.5 -79.5 19 11.0 -68.5 19 47 357.6 357.7 298.2 357.7 0.01 37 110 15983 -72.9 -85.9 12 13.0 -72.9 35 38 376.5 376.5 301.6 376.5 0.00 38 102 16425 -74.1 -86.1 14 12.0 -74.2 40 35 382.4 382.4 302.6 382.4 0.00 39 100 16540 -73.9 -85.9 14 12.0 -73.9 35 27 384.9 384.9 303.1 385.0 0.00 40 70 18660 -67.3 -88.3 4 21.0 -67.5 55 7 440.4 440.4 309.9 440.4 0.00 41 54 20243 -60.3 -87.3 2 27.0 -60.8 9 9 490.5 490.5 314.2 490.5 0.00 42 50 20720 -61.5 -87.5 2 26.0 -62.0 355 9 498.6 498.6 314.8 498.6 0.00 43 47 21103 -62.3 -88.3 2 26.0 -62.7 16 9 505.5 505.5 315.4 505.6 0.00 44 43 21654 -61.7 -87.7 2 26.0 -62.2 47 9 520.0 520.0 316.3 520.1 0.00 45 39 22267 -56.3 -85.3 1 29.0 -57.4 80 9 548.4 548.4 318.0 548.5 0.01 46 35 22951 -58.5 -86.5 2 28.0 -59.5 117 9 559.9 559.9 318.6 560.0 0.01 47 30 23930 -54.3 -84.3 1 30.0 -56.0 170 9 596.6 596.6 320.5 596.7 0.01 48 28 24371 -56.3 -85.3 1 29.0 -57.8 141 7 602.9 602.9 320.7 603.0 0.01 49 23 25629 -53.9 -84.9 1 31.0 -56.1 59 3 644.9 644.9 322.5 645.0 0.01 50 22 25914 -54.3 -84.3 1 30.0 -56.5 40 2 651.9 652.0 322.7 652.1 0.01 51 20 26530 -51.5 -83.5 1 32.0 -54.5 0 0 678.5 678.5 323.7 678.7 0.02 52 17 27591 -47.9 -81.9 1 34.0 -52.5 6 5 722.4 722.4 325.1 722.6 0.03 53 16 27989 -50.1 -82.1 1 32.0 -54.1 8 6 727.8 727.8 325.3 728.1 0.03 54 10 31100 -43.5 -79.5 1 36.0 -51.9 25 20 857.2 857.2 328.5 857.9 0.07 55 9.2 31661 -43.1 -80.1 1 37.0 -52.1 879.4 879.4 329.0 880.1 0.07 TRP 102 16425 -74.1 -86.1 14 12.0 -74.2 40 35 382.4 382.4 302.6 382.4 0.00 WND Sounding variables and indices 1000-500 mb thick: 5742.00 m Freezing level: 570.69 mb = 4842.68 m = 15887.86 ft Wetbulb zero: 714.87 mb = 2991.96 m = 9816.02 ft Precipitable water: 1.49 inches Sfc-500 mean rel hum: 74.38 % Est. max temperature: 29.81 C = 85.65 F Sfc-Lift cond lev (LCL): 904.68 mb = 1004.41 m = 3295.27 ft T: 18.06 C 700-500 lapse rate: 6.30 C/km ThetaE index: 25.29 C Layer 737.0- 710.0 mb Conv cond level (CCL): 823.98 mb = 1802.48 m = 5913.58 ft Mean mixing ratio: 12.61 g/kg Conv temperature: 30.94 C = 87.70 F Cap Strength: 4.00 C Lifted Index: 1.91 C Risk: Showers probable Lifted Index @300 mb: 2.84 C Lifted Index @700 mb: 3.98 C Showalter Index: 1.70 C Risk: Showers probable Total Totals Index: 43.10 C Risk: None Vertical Totals Index: 23.30 C Cross Totals Index: 19.80 C K Index: -9.20 Risk: None Sweat Index: 181.00 Risk: None Energy Index: -0.28 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 10.51 J/kg Max Up Vert Vel: 4.59 m/s Conv Inhibition (B-): 53225.01 J/kg Cap Strength: 3.98 C Lift Cond Lev (LCL): 900.30 mb = 1046.11 m = 3432.07 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 22 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 1002 121 85 5 -5.0 -0.4 | 168 8 -1.6 7.8 1 1000 138 110 4 -3.8 1.4 | 178 10 -0.4 9.6 2 925 814 290 2 1.9 -0.7 | 215 9 5.2 7.5 3 850 1539 360 2 -0.0 -2.0 | 208 7 3.4 6.2 4 700 3167 325 10 5.7 -8.2 | 270 9 9.1 0.0 5 500 5880 5 27 -2.4 -26.9 | 357 19 1.0 -18.7 6 400 7580 5 31 -2.7 -30.9 | 358 23 0.7 -22.6 7 300 9660 360 26 -0.0 -26.0 | 349 18 3.4 -17.8 8 250 10900 10 27 -4.7 -26.6 | 4 18 -1.3 -18.4 9 200 12350 10 40 -6.9 -39.4 | 7 31 -3.6 -31.2 10 150 14140 15 49 -12.7 -47.3 | 13 40 -9.3 -39.1 11 102 16425 40 35 -22.5 -26.8 | 46 27 -19.1 -18.6 12 100 16540 35 27 -15.5 -22.1 | 41 18 -12.1 -13.9 13 70 18660 55 7 -5.7 -4.0 | 151 5 -2.4 4.2 14 50 20720 355 9 0.8 -9.0 | 280 4 4.2 -0.7 15 30 23930 170 9 -1.6 8.9 | 186 17 1.8 17.1 16 20 26530 0 0 -0.0 -0.0 | 202 9 3.4 8.2 17 10 31100 25 20 -8.5 -18.1 | 27 11 -5.1 -9.9 Wind Parameters Mean winds (0-6000m): 352.3 at 11.9 knts Storm direction: 22.3 at 8.9 knts Shear (0-3000m) pos: 0.9 neg: 1.3 tot: 2.3 10-3/s Storm rel Dir Shear (0-3000m): 100.8 deg Storm rel helicity (0-3000m) pos: 36.0 neg: -1.7 tot: 34.3 m^2/s^2 ave: 11.4 10^-3 m/s^2 rel: 0.64 Storm rel vorticity (0-3000m) horiz: 3.9 stream: 2.5 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.36 Bulk Shear: 29.41 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 ------------------------------------------------------------------------------- 500 146 3 188 11| 7.6 0.0 7.6| 22.5 0.0 22.5 44.9 0.82| 9.9 8.1 1000 68 3 187 7| 3.3 0.0 3.3| 24.9 -0.1 24.8 24.8 0.68| 6.6 4.5 1500 1 2 210 7| 1.9 0.0 1.9| 25.3 -1.7 23.6 15.8 0.56| 5.0 2.8 2000 354 3 214 7| 1.4 0.7 2.0| 28.9 -1.7 27.2 13.6 0.61| 4.4 2.7 2500 344 3 221 7| 1.1 1.1 2.2| 32.8 -1.7 31.1 12.4 0.65| 4.1 2.7 3000 334 4 230 7| 0.9 1.3 2.3| 36.0 -1.7 34.3 11.4 0.64| 3.9 2.5 4000 333 6 248 7| 1.3 1.0 2.3| 53.2 -1.7 51.6 12.9 0.71| 3.8 2.7 5000 342 9 273 6| 1.7 0.8 2.5| 77.5 -1.7 75.8 15.2 0.74| 3.9 2.9 6000 352 12 305 6| 1.8 0.7 2.5|103.3 -1.7 101.6 16.9 0.75| 3.9 2.9 Wrote GIF file: /home/apache/climate/data/raob//GC018/skewt/GC018.skewt.20251018.12.gif