UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121200.upa.cvt Date: 0000Z 12 DEC 25 Searching for GC018... Searching the city database file for: GC018 ... Date:0000Z 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 15.6 8.6 63 7.0 11.6 255 3 288.1 289.3 284.5 307.7 6.96 1 1004 150 17.6 9.6 59 8.0 12.9 307 2 290.4 291.7 285.9 311.7 7.49 2 1000 184 17.6 10.6 64 7.0 13.4 0 0 290.8 292.2 286.6 313.6 8.04 3 925 845 12.2 7.8 74 4.4 9.7 155 1 291.8 293.1 286.2 312.3 7.19 4 911 972 11.6 5.6 67 6.0 8.3 187 4 292.4 293.6 285.5 310.5 6.26 5 899 1084 15.2 -6.8 21 22.0 5.5 214 6 297.3 297.7 283.4 305.0 2.55 6 887 1197 13.8 -6.2 24 20.0 4.9 242 9 297.0 297.5 283.5 305.2 2.71 7 879 1274 15.6 -22.4 6 38.0 3.1 261 11 299.6 299.7 282.1 302.0 0.72 8 862 1439 14.8 301 14 300.4 9 850 1557 13.6 330 17 300.4 10 742 2681 5.2 327 25 303.1 11 703 3118 2.6 325 29 305.0 12 700 3153 2.4 325 29 305.1 13 663 3590 0.4 -33.6 6 34.0 -7.4 319 30 307.7 307.7 284.9 308.9 0.34 14 654 3699 0.0 -18.0 24 18.0 -6.0 318 30 308.4 308.7 286.4 313.1 1.42 15 652 3723 -0.3 -2.5 85 2.2 -1.4 318 30 308.4 309.3 289.8 323.5 4.88 16 645 3810 -0.7 -2.4 88 1.7 -1.5 316 30 308.9 309.8 290.0 324.3 4.97 17 636 3922 0.0 -3.7 76 3.7 -1.8 315 30 310.9 311.8 290.3 325.2 4.58 18 615 4190 -1.3 -7.3 64 6.0 -4.0 312 31 312.4 313.1 289.9 323.8 3.59 19 574 4734 -5.7 -6.1 97 0.4 -5.9 304 32 313.5 314.3 290.8 326.9 4.23 20 500 5800 -13.3 -13.3 100 0.0 -13.3 290 34 316.8 317.4 290.5 325.8 2.74 21 481 6094 -15.7 -15.7 100 0.0 -15.7 290 35 317.4 317.8 290.3 325.1 2.34 22 444 6695 -18.3 -24.3 59 6.0 -19.8 290 37 321.5 321.7 290.5 325.6 1.21 23 442 6729 -17.9 -19.3 89 1.4 -18.3 290 37 322.4 322.8 291.4 328.8 1.88 24 437 6814 -18.5 -22.9 68 4.4 -19.7 290 38 322.7 322.9 291.0 327.5 1.39 25 419 7127 -20.3 -22.2 85 1.9 -20.8 290 39 324.3 324.6 291.6 329.6 1.54 26 400 7470 -22.3 -28.3 58 6.0 -23.6 290 40 326.0 326.2 291.5 329.3 0.93 27 385 7751 -23.5 -33.5 39 10.0 -25.3 289 41 328.0 328.1 291.7 330.2 0.59 28 300 9530 -37.1 -56.1 12 19.0 -38.2 280 51 333.1 333.1 292.6 333.3 0.06 29 286 9858 -40.1 -59.1 11 19.0 -40.9 284 56 333.4 333.4 292.7 333.6 0.05 30 258 10551 -46.1 -58.1 24 12.0 -46.6 292 66 334.5 334.5 293.0 334.7 0.06 31 250 10760 -47.7 -53.7 50 6.0 -48.0 295 69 335.2 335.2 293.2 335.6 0.10 32 249 10786 -47.9 -53.9 50 6.0 -48.1 295 69 335.2 335.3 293.2 335.6 0.10 33 224 11472 -53.3 -57.7 59 4.4 -53.4 290 71 337.3 337.3 293.7 337.5 0.07 34 217 11675 -54.7 -66.7 21 12.0 -54.9 289 72 338.2 338.2 293.9 338.3 0.02 35 200 12190 -58.7 -69.7 23 11.0 -58.8 285 73 339.8 339.8 294.3 339.9 0.02 36 189 12543 -61.7 -67.7 45 6.0 -61.8 285 76 340.5 340.5 294.4 340.6 0.02 37 163 13447 -67.7 -74.7 36 7.0 -67.7 285 83 345.2 345.2 295.6 345.2 0.01 38 157 13674 -66.9 -76.6 24 9.7 -67.0 290 83 350.3 350.3 296.7 350.3 0.01 39 150 13950 -65.9 -78.9 15 13.0 -66.0 285 64 356.6 356.6 298.0 356.6 0.01 40 147 14072 -65.7 -80.7 11 15.0 -65.8 284 63 359.0 359.0 298.5 359.0 0.00 41 118 15387 -71.3 -86.3 9 15.0 -71.3 273 50 371.9 371.9 300.9 371.9 0.00 42 100 16370 -69.1 -86.1 7 17.0 -69.2 265 40 394.2 394.2 304.4 394.2 0.00 43 81 17616 -72.9 -86.9 10 14.0 -73.0 283 30 410.9 410.9 306.6 410.9 0.00 44 70 18480 -68.9 -86.9 6 18.0 -69.0 295 23 437.0 437.0 309.6 437.0 0.00 45 68 18654 -68.1 -87.1 5 19.0 -68.2 300 23 442.3 442.3 310.1 442.4 0.00 46 50 20510 -67.3 -88.3 4 21.0 -67.5 355 19 484.9 484.9 313.8 484.9 0.00 47 47 20882 -67.9 -88.9 3 21.0 -68.1 350 19 492.1 492.1 314.4 492.1 0.00 48 40 21858 -64.3 -88.3 2 24.0 -64.7 338 19 524.4 524.4 316.6 524.4 0.00 49 38 22174 -59.5 -86.5 2 27.0 -60.3 334 18 544.4 544.4 317.8 544.4 0.01 50 30 23670 -54.1 -85.1 1 31.0 -55.8 315 18 597.2 597.2 320.5 597.2 0.01 51 28 24113 -53.5 -84.5 1 31.0 -55.5 610.7 610.7 321.1 610.8 0.01 52 23 25380 -53.1 -85.1 1 32.0 -55.5 647.2 647.2 322.6 647.3 0.01 TRP 163 13447 -67.7 -74.7 36 7.0 -67.7 285 83 345.2 345.2 295.6 345.2 0.01 WND 157 13674 -66.9 -76.6 24 9.7 -67.0 290 83 350.3 350.3 296.7 350.3 0.01 Sounding variables and indices 1000-500 mb thick: 5616.00 m Freezing level: 654.00 mb = 3698.93 m = 12135.46 ft Freezing level: 636.00 mb = 3921.83 m = 12866.74 ft Freezing level: 636.00 mb = 3921.83 m = 12866.74 ft Wetbulb zero: 815.84 mb = 1896.14 m = 6220.87 ft Precipitable water: 0.70 inches Sfc-500 mean rel hum: 76.15 % Est. max temperature: 27.96 C = 82.33 F Sfc-Lift cond lev (LCL): 907.57 mb = 1004.23 m = 3294.68 ft T: 12.63 C 700-500 lapse rate: 5.93 C/km ThetaE index: 8.55 C Layer 925.0- 887.0 mb Conv cond level (CCL): 738.50 mb = 2719.07 m = 8920.72 ft Mean mixing ratio: 7.42 g/kg Conv temperature: 30.85 C = 87.53 F Cap Strength: 8.11 C Lifted Index: 7.48 C Risk: None Lifted Index @300 mb: 14.85 C Lifted Index @700 mb: 5.31 C Showalter Index: 13.48 C Risk: None Total Totals Index: 16.47 C Risk: None Vertical Totals Index: 26.90 C Cross Totals Index: -10.43 C K Index: -30.68 Risk: None Sweat Index: 68.00 Risk: None Energy Index: 4.69 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 5.09 J/kg Max Up Vert Vel: 3.19 m/s Conv Inhibition (B-): 35390.00 J/kg Cap Strength: 8.07 C Lift Cond Lev (LCL): 877.14 mb = 1291.70 m = 4237.80 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 341 at 17 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 116 255 3 2.9 0.8 | 171 18 -2.7 17.3 1 1000 184 0 0 -0.0 -0.0 | 161 17 -5.6 16.5 2 925 845 155 1 -0.4 0.9 | 161 18 -6.0 17.4 3 850 1557 330 17 8.5 -14.7 | 238 3 2.9 1.8 4 700 3153 325 29 16.6 -23.8 | 303 13 11.0 -7.2 5 500 5800 290 34 31.9 -11.6 | 259 27 26.3 4.9 6 400 7470 290 40 37.6 -13.7 | 265 32 32.0 2.8 7 300 9530 280 51 50.2 -8.9 | 260 45 44.6 7.7 8 250 10760 295 69 62.5 -29.2 | 283 58 56.9 -12.6 9 200 12190 285 73 70.5 -18.9 | 272 65 64.9 -2.4 10 163 13447 285 83 80.2 -21.5 | 274 75 74.6 -5.0 11 157 13674 290 83 78.0 -28.4 | 279 73 72.4 -11.9 12 150 13950 285 64 61.8 -16.6 | 270 56 56.2 -0.0 13 100 16370 265 40 39.8 3.5 | 240 40 34.2 20.0 14 70 18480 295 23 20.8 -9.7 | 246 17 15.2 6.8 15 50 20510 355 19 1.7 -18.9 | 59 5 -4.0 -2.4 16 30 23670 315 18 12.7 -12.7 | 242 8 7.1 3.8 Wind Parameters Mean winds (0-6000m): 311.2 at 23.3 knts Storm direction: 341.2 at 17.5 knts Shear (0-3000m) pos: 3.1 neg: 1.7 tot: 4.8 10-3/s Storm rel Dir Shear (0-3000m): 132.0 deg Storm rel helicity (0-3000m) pos: 107.2 neg: -16.3 tot: 90.9 m^2/s^2 ave: 30.3 10^-3 m/s^2 rel: 0.49 Storm rel vorticity (0-3000m) horiz: 8.4 stream: 4.1 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.07 Bulk Shear: 74.58 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 ------------------------------------------------------------------------------- 500 144 0 161 18| 0.0 3.7 3.7| 0.0 -16.3 -16.3 -32.7 -0.92| 4.0 -3.7 1000 205 2 164 19| 3.8 1.9 5.7| 36.7 -16.3 20.4 20.4 0.25| 6.4 1.6 1500 329 5 167 12| 6.1 1.2 7.4| 98.2 -16.3 81.8 54.5 0.49| 12.8 6.3 2000 329 9 173 9| 4.6 1.0 5.6|101.5 -16.3 85.2 42.6 0.52| 10.6 5.5 2500 328 12 184 7| 3.7 1.4 5.0|104.6 -16.3 88.3 35.3 0.51| 9.3 4.7 3000 327 14 205 5| 3.1 1.7 4.8|107.2 -16.3 90.9 30.3 0.49| 8.4 4.1 4000 324 18 249 5| 2.3 1.6 3.9|107.2 -37.3 69.9 17.5 0.33| 7.2 2.4 5000 318 21 263 9| 1.8 1.7 3.5|107.2 -66.4 40.8 8.2 0.21| 6.5 1.4 6000 311 23 264 12| 1.5 1.8 3.3|111.1 -91.7 19.4 3.2 0.14| 6.0 0.9 Wrote GIF file: /home/apache/climate/data/raob//GC018/skewt/GC018.skewt.20251212.00.gif