UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120912.upa.cvt Date: 1200Z 9 DEC 25 Searching for GC018... Searching the city database file for: GC018 ... Date:1200Z 9 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 1009 123 21.4 12.4 56 9.0 15.8 165 5 293.8 295.4 288.6 319.6 8.99 1 1007 140 19.6 13.6 68 6.0 15.8 163 5 292.2 293.9 288.7 319.9 9.76 2 1000 200 19.0 13.0 68 6.0 15.3 155 5 292.1 293.8 288.4 319.0 9.45 3 979 382 17.6 11.6 68 6.0 14.0 167 8 292.5 294.1 287.9 317.6 8.79 4 925 866 16.4 0.4 34 16.0 8.3 200 16 296.1 296.8 284.8 308.7 4.25 5 893 1165 15.4 -8.6 18 24.0 5.1 208 14 298.0 298.4 283.4 304.9 2.23 6 850 1580 12.2 -7.8 24 20.0 3.6 220 12 298.9 299.4 284.0 306.6 2.50 7 829 1789 10.8 -5.2 32 16.0 3.5 226 11 299.6 300.2 285.0 309.1 3.13 8 825 1829 10.8 -6.2 30 17.0 3.2 227 11 300.0 300.5 284.9 308.9 2.91 9 738 2752 7.8 -36.2 3 44.0 -2.9 253 8 306.5 306.5 284.3 307.3 0.23 10 722 2932 7.4 -20.6 12 28.0 -2.0 258 7 307.9 308.1 285.8 311.3 1.03 11 700 3186 5.6 -9.4 33 15.0 -0.8 265 6 308.7 309.2 287.8 317.2 2.68 12 668 3567 2.8 -4.2 60 7.0 -0.5 266 8 309.7 310.5 289.6 322.8 4.19 13 606 4350 -1.9 -7.9 63 6.0 -4.5 269 12 313.0 313.7 290.0 324.1 3.48 14 500 5860 -9.5 -36.5 9 27.0 -14.9 275 21 321.5 321.5 289.6 322.7 0.34 15 492 5984 -10.5 -37.5 9 27.0 -15.7 275 21 321.7 321.8 289.6 322.9 0.31 16 400 7530 -23.7 -43.7 14 20.0 -26.1 275 24 324.2 324.2 290.3 324.9 0.20 17 325 9016 -35.9 -46.9 31 11.0 -36.8 275 27 327.2 327.2 291.1 327.9 0.17 18 315 9234 -37.3 -53.3 17 16.0 -38.2 275 27 328.2 328.2 291.3 328.5 0.09 19 300 9570 -40.1 -53.1 24 13.0 -40.8 275 28 328.8 328.9 291.5 329.2 0.09 20 298 9615 -40.5 -52.5 26 12.0 -41.2 276 28 328.9 328.9 291.5 329.3 0.10 21 294 9707 -41.3 -48.3 47 7.0 -41.8 277 28 329.0 329.1 291.6 329.7 0.16 22 291 9776 -41.9 -52.9 29 11.0 -42.5 278 28 329.2 329.2 291.6 329.5 0.10 23 250 10780 -50.3 -55.3 55 5.0 -50.5 290 27 331.3 331.3 292.2 331.6 0.08 24 224 11484 -56.9 -60.3 65 3.4 -57.0 288 28 331.7 331.7 292.2 331.9 0.05 25 200 12190 -63.1 -66.8 61 3.7 -63.1 285 29 332.8 332.8 292.5 332.9 0.02 26 197 12283 -64.1 -67.5 63 3.4 -64.1 287 28 332.7 332.7 292.4 332.8 0.02 27 193 12408 -64.7 -69.4 52 4.7 -64.7 290 27 333.7 333.7 292.7 333.8 0.02 28 179 12871 -62.1 -76.1 14 14.0 -62.2 291 26 345.2 345.2 295.6 345.2 0.01 29 150 13960 -63.9 -82.9 6 19.0 -64.0 295 23 360.0 360.0 298.7 360.0 0.00 30 122 15218 -64.7 -87.7 3 23.0 -64.8 318 17 380.5 380.5 302.3 380.5 0.00 31 100 16420 -67.5 -87.5 4 20.0 -67.6 340 11 397.3 397.3 304.8 397.3 0.00 32 79 17823 -72.5 -88.5 7 16.0 -72.6 76 8 414.7 414.7 307.1 414.7 0.00 33 70 18540 -69.1 -88.1 5 19.0 -69.2 125 6 436.6 436.6 309.5 436.6 0.00 34 50 20580 -64.5 -88.5 2 24.0 -64.8 255 24 491.5 491.5 314.3 491.5 0.00 35 40 21962 -58.5 -87.5 1 29.0 -59.3 185 15 538.9 538.9 317.5 539.0 0.00 36 37 22447 -61.9 -88.9 2 27.0 -62.5 161 12 542.4 542.4 317.6 542.4 0.00 37 35 22794 -57.9 -86.9 1 29.0 -58.9 143 9 561.5 561.5 318.7 561.5 0.01 38 30 23770 -55.7 -85.7 1 30.0 -57.2 95 3 592.8 592.8 320.3 592.8 0.01 39 29 23986 -55.1 -85.1 1 30.0 -56.7 101 4 600.2 600.2 320.6 600.3 0.01 40 23 25458 -56.5 -85.5 1 29.0 -58.2 144 8 637.2 637.2 322.2 637.3 0.01 41 21 26042 -49.9 -82.9 1 33.0 -53.3 161 9 674.0 674.0 323.6 674.1 0.02 42 20 26360 -51.1 -83.1 1 32.0 -54.2 170 10 679.8 679.8 323.7 679.9 0.02 43 19 26693 -51.7 -83.7 1 32.0 -54.8 687.9 688.0 324.0 688.1 0.02 TRP 193 12408 -64.7 -69.4 52 4.7 -64.7 290 27 333.7 333.7 292.7 333.8 0.02 WND Sounding variables and indices 1000-500 mb thick: 5660.00 m Freezing level: 631.06 mb = 4033.60 m = 13233.44 ft Wetbulb zero: 778.71 mb = 2307.27 m = 7569.68 ft Precipitable water: 0.68 inches Sfc-500 mean rel hum: 36.38 % Est. max temperature: 26.36 C = 79.44 F Sfc-Lift cond lev (LCL): 883.25 mb = 1257.00 m = 4123.95 ft T: 14.69 C 700-500 lapse rate: 5.65 C/km ThetaE index: 15.02 C Layer 1000.0- 850.0 mb Conv cond level (CCL): 660.25 mb = 3661.03 m = 12011.12 ft Mean mixing ratio: 6.83 g/kg Conv temperature: 37.75 C = 99.95 F Cap Strength: 8.20 C Lifted Index: 10.40 C Risk: None Lifted Index @300 mb: 10.92 C Lifted Index @700 mb: 7.87 C Showalter Index: 15.00 C Risk: None Total Totals Index: 23.40 C Risk: None Vertical Totals Index: 21.70 C Cross Totals Index: 1.70 C K Index: -1.10 Risk: None Sweat Index: 45.00 Risk: None Energy Index: 3.48 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 15.40 J/kg Max Up Vert Vel: 5.55 m/s Conv Inhibition (B-): 34937.52 J/kg Cap Strength: 10.17 C Lift Cond Lev (LCL): 827.49 mb = 1803.95 m = 5918.38 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 281 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 1009 123 165 5 -1.3 4.8 | 122 12 -10.3 6.6 1 1000 200 155 5 -2.1 4.5 | 119 13 -11.2 6.3 2 925 866 200 16 5.5 15.0 | 168 17 -3.6 16.8 3 850 1580 220 12 7.7 9.2 | 173 11 -1.3 10.9 4 700 3186 265 6 6.0 0.5 | 126 4 -3.1 2.3 5 500 5860 275 21 20.9 -1.8 | 270 12 11.9 -0.1 6 400 7530 275 24 23.9 -2.1 | 271 15 14.9 -0.3 7 300 9570 275 28 27.9 -2.4 | 272 19 18.8 -0.7 8 250 10780 290 27 25.4 -9.2 | 295 18 16.3 -7.5 9 200 12190 285 29 28.0 -7.5 | 287 20 19.0 -5.8 10 193 12408 290 27 25.4 -9.2 | 295 18 16.3 -7.5 11 150 13960 295 23 20.8 -9.7 | 304 14 11.8 -8.0 12 100 16420 340 11 3.8 -10.3 | 32 10 -5.3 -8.6 13 70 18540 125 6 -4.9 3.4 | 110 15 -14.0 5.2 14 50 20580 255 24 23.2 6.2 | 241 16 14.1 8.0 15 30 23770 95 3 -3.0 0.3 | 99 12 -12.0 2.0 16 20 26360 170 10 -1.7 9.8 | 137 16 -10.8 11.6 Wind Parameters Mean winds (0-6000m): 250.9 at 12.3 knts Storm direction: 280.9 at 9.2 knts Shear (0-3000m) pos: 1.5 neg: 0.0 tot: 1.5 10-3/s Storm rel Dir Shear (0-3000m): 8.5 deg Storm rel helicity (0-3000m) pos: 58.0 neg: -5.5 tot: 52.4 m^2/s^2 ave: 17.5 10^-3 m/s^2 rel: 0.36 Storm rel vorticity (0-3000m) horiz: 5.0 stream: 1.8 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.68 Bulk Shear: 22.58 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 ------------------------------------------------------------------------------- 500 174 8 134 14| 7.6 0.0 7.6| 27.9 -1.2 26.7 53.4 0.79| 8.9 7.0 1000 194 11 153 14| 5.8 0.0 5.8| 55.4 -1.2 54.3 54.3 0.80| 8.4 6.8 1500 201 12 160 14| 3.4 0.0 3.4| 57.5 -1.2 56.4 37.6 0.67| 7.1 4.7 2000 207 12 163 13| 2.4 0.0 2.4| 58.0 -1.4 56.5 28.3 0.58| 6.1 3.5 2500 212 11 164 12| 1.9 0.0 1.9| 58.0 -3.1 54.8 21.9 0.47| 5.5 2.6 3000 216 10 164 11| 1.5 0.0 1.5| 58.0 -5.5 52.4 17.5 0.36| 5.0 1.8 4000 226 10 168 9| 1.7 0.0 1.7| 61.0 -5.7 55.2 13.8 0.42| 4.5 1.9 5000 239 11 182 7| 2.0 0.0 2.0| 64.7 -5.7 59.0 11.8 0.43| 4.1 1.8 6000 251 12 204 6| 2.0 0.0 2.0| 68.5 -5.7 62.8 10.5 0.42| 3.9 1.6 Wrote GIF file: /home/apache/climate/data/raob//GC018/skewt/GC018.skewt.20251209.12.gif