UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2026011812.upa.cvt Date: 1200Z 18 JAN 26 Searching for GC018... Searching the city database file for: GC018 ... Date:1200Z 18 JAN 26 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 1003 115 20.6 13.6 64 7.0 16.2 70 9 293.5 295.2 289.2 321.5 9.80 1 1000 141 19.8 12.8 64 7.0 15.4 60 7 293.0 294.6 288.6 319.6 9.32 2 925 806 13.8 11.0 83 2.8 12.1 315 7 293.4 295.0 288.4 319.0 8.94 3 911 935 12.6 10.7 88 1.9 11.4 318 12 293.5 295.1 288.4 319.0 8.90 4 860 1417 9.6 8.4 92 1.2 8.9 328 30 295.2 296.7 288.3 318.5 8.07 5 857 1447 10.4 7.6 83 2.8 8.8 329 31 296.3 297.7 288.3 318.6 7.66 6 850 1515 9.8 6.8 82 3.0 8.1 330 34 296.4 297.7 288.0 317.7 7.31 7 844 1574 9.8 5.8 76 4.0 7.6 331 35 297.0 298.3 287.8 317.1 6.86 8 763 2403 3.6 1.0 83 2.6 2.3 344 46 299.0 300.0 287.1 315.1 5.40 9 750 2543 4.4 -3.6 56 8.0 0.7 346 48 301.4 302.1 286.5 313.2 3.91 10 704 3056 1.8 -5.2 60 7.0 -1.3 354 55 304.0 304.7 287.2 315.3 3.69 11 700 3102 2.6 -7.4 48 10.0 -1.7 355 56 305.4 305.9 287.1 315.1 3.13 12 692 3195 3.4 -8.6 41 12.0 -1.7 355 55 307.3 307.8 287.5 316.3 2.88 13 636 3874 -1.5 -10.5 50 9.0 -5.1 354 52 309.2 309.7 288.0 317.8 2.70 14 610 4207 -2.5 -22.5 20 20.0 -8.4 353 50 311.7 311.9 287.2 315.2 1.03 15 592 4445 -2.1 -31.1 9 29.0 -9.2 353 49 314.9 315.0 287.6 316.6 0.48 16 579 4621 -3.1 -15.1 39 12.0 -7.5 352 48 315.7 316.1 289.5 322.5 2.04 17 500 5770 -9.5 -29.5 18 20.0 -14.3 350 41 321.5 321.6 289.9 323.8 0.66 18 484 6020 -10.7 -30.7 18 20.0 -15.3 348 39 323.0 323.1 290.3 325.2 0.61 19 400 7450 -22.5 -43.5 13 21.0 -25.2 335 30 325.7 325.8 290.7 326.5 0.20 20 373 7958 -26.7 -46.7 13 20.0 -28.8 336 31 326.8 326.8 291.0 327.3 0.15 21 331 8808 -33.3 -55.3 9 22.0 -34.7 338 33 329.1 329.1 291.5 329.3 0.06 22 300 9490 -39.3 -57.3 13 18.0 -40.2 340 35 330.0 330.0 291.7 330.2 0.06 23 250 10710 -50.3 -62.3 23 12.0 -50.6 335 29 331.3 331.3 292.1 331.4 0.04 24 220 11529 -57.5 -66.5 31 9.0 -57.6 309 26 332.5 332.5 292.4 332.6 0.02 25 216 11645 -55.5 -74.5 8 19.0 -55.7 306 26 337.4 337.4 293.7 337.4 0.01 26 200 12130 -59.7 -74.7 12 15.0 -59.9 290 24 338.2 338.2 293.9 338.3 0.01 27 150 13860 -74.1 -80.1 39 6.0 -74.1 310 42 342.5 342.5 294.9 342.5 0.00 28 147 13978 -74.7 -80.7 39 6.0 -74.7 315 48 343.4 343.4 295.1 343.4 0.00 29 129 14752 -67.1 -86.1 5 19.0 -67.2 310 54 370.1 370.1 300.6 370.1 0.00 30 111 15648 -72.3 -86.8 9 14.5 -72.3 305 60 376.7 376.7 301.7 376.7 0.00 31 109 15755 -72.9 -86.9 10 14.0 -72.9 307 57 377.5 377.5 301.8 377.5 0.00 32 100 16260 -73.3 -87.3 10 14.0 -73.3 315 40 386.1 386.1 303.2 386.1 0.00 33 85 17215 -73.9 -87.9 10 14.0 -73.9 308 38 403.3 403.3 305.6 403.3 0.00 34 70 18360 -71.3 -88.3 6 17.0 -71.4 300 36 431.8 431.8 309.0 431.9 0.00 35 67 18619 -70.3 -88.3 5 18.0 -70.4 299 35 439.5 439.5 309.8 439.5 0.00 36 66 18708 -70.7 -88.7 5 18.0 -70.8 298 35 440.5 440.5 309.9 440.5 0.00 37 61 19180 -65.3 -88.3 3 23.0 -65.5 296 34 462.5 462.5 312.0 462.5 0.00 38 55 19807 -66.3 -89.3 3 23.0 -66.5 293 32 474.1 474.1 313.0 474.2 0.00 39 52 20150 -62.7 -88.7 2 26.0 -63.1 291 32 490.2 490.2 314.2 490.2 0.00 40 50 20390 -64.1 -88.1 2 24.0 -64.4 290 31 492.4 492.4 314.4 492.4 0.00 41 48 20639 -65.3 -89.3 2 24.0 -65.6 290 31 495.4 495.4 314.6 495.4 0.00 42 42 21453 -63.5 -89.5 2 26.0 -64.0 288 29 519.1 519.1 316.2 519.1 0.00 43 39 21914 -57.1 -87.1 1 30.0 -58.1 288 28 546.4 546.4 317.9 546.4 0.01 44 30 23570 -57.5 -87.5 1 30.0 -58.7 285 25 587.9 587.9 320.0 587.9 0.01 45 29 23785 -56.1 -86.1 1 30.0 -57.6 297 23 597.5 597.5 320.5 597.5 0.01 46 27 24237 -58.3 -86.3 2 28.0 -59.5 323 19 603.6 603.6 320.7 603.7 0.01 47 24 24987 -53.3 -85.3 1 32.0 -55.5 5 12 638.8 638.8 322.3 638.9 0.01 48 22 25542 -56.7 -85.7 1 29.0 -58.4 36 7 644.8 644.8 322.5 644.9 0.01 49 20 26150 -54.3 -85.3 1 31.0 -56.6 70 1 670.0 670.0 323.4 670.1 0.01 50 14 28468 -47.9 -82.9 1 35.0 -53.1 134 4 763.6 763.6 326.3 763.9 0.03 51 12 29478 -50.7 -83.7 1 33.0 -55.4 162 5 788.1 788.1 327.0 788.4 0.03 52 11 30052 -45.1 -81.1 1 36.0 -52.4 178 6 828.3 828.3 327.9 828.8 0.05 53 10 30690 -44.1 -81.1 1 37.0 -52.2 195 7 854.9 855.0 328.5 855.5 0.06 54 9.3 31178 -43.5 -80.5 1 37.0 -52.2 875.1 875.2 329.0 875.8 0.07 TRP 147 13978 -74.7 -80.7 39 6.0 -74.7 315 48 343.4 343.4 295.1 343.4 0.00 WND 111 15648 -72.3 -86.8 9 14.5 -72.3 305 60 376.7 376.7 301.7 376.7 0.00 Sounding variables and indices 1000-500 mb thick: 5629.00 m Freezing level: 653.14 mb = 3666.45 m = 12028.89 ft Wetbulb zero: 733.79 mb = 2719.92 m = 8923.52 ft Precipitable water: 1.02 inches Sfc-500 mean rel hum: 54.76 % Est. max temperature: 23.49 C = 74.28 F Sfc-Lift cond lev (LCL): 904.34 mb = 996.23 m = 3268.43 ft T: 12.22 C 700-500 lapse rate: 4.54 C/km ThetaE index: 5.41 C Layer 850.0- 704.0 mb Conv cond level (CCL): 872.75 mb = 1294.09 m = 4245.65 ft Mean mixing ratio: 9.09 g/kg Conv temperature: 21.88 C = 71.38 F Cap Strength: 5.96 C Lifted Index: 7.30 C Risk: None Lifted Index @300 mb: 8.08 C Lifted Index @700 mb: 2.46 C Showalter Index: 8.18 C Risk: None Total Totals Index: 35.60 C Risk: None Vertical Totals Index: 19.30 C Cross Totals Index: 16.30 C K Index: 16.10 Risk: < 20 % chance of thunderstorms Sweat Index: 190.60 Risk: None Energy Index: 1.31 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 2.95 J/kg Max Up Vert Vel: 2.43 m/s Conv Inhibition (B-): 32.03 J/kg Cap Strength: 7.27 C Lift Cond Lev (LCL): 892.38 mb = 1107.75 m = 3634.30 ft Lev Free Conv (LFC): 777.38 mb = 2249.45 m = 7379.99 ft Equ Level (EL): 757.38 mb = 2463.01 m = 8080.66 ft B at Equ Level: 1.84 J/kg Max Parcel Lev (MPL): 747.38 mb = 2571.06 m = 8435.14 ft Wind level data Storm motion: 19 at 29 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 1003 115 70 9 -8.5 -3.1 | 183 25 1.2 24.8 1 1000 141 60 7 -6.1 -3.5 | 188 25 3.6 24.4 2 925 806 315 7 4.9 -4.9 | 213 27 14.6 22.9 3 850 1515 330 34 17.0 -29.4 | 273 27 26.7 -1.6 4 700 3102 355 56 4.9 -55.8 | 332 31 14.6 -27.9 5 500 5770 350 41 7.1 -40.4 | 307 21 16.8 -12.5 6 400 7450 335 30 12.7 -27.2 | 268 22 22.4 0.7 7 300 9490 340 35 12.0 -32.9 | 283 22 21.7 -5.0 8 250 10710 335 29 12.3 -26.3 | 266 22 21.9 1.6 9 200 12130 290 24 22.6 -8.2 | 239 38 32.2 19.7 10 150 13860 310 42 32.2 -27.0 | 269 42 41.9 0.9 11 147 13978 315 48 33.9 -33.9 | 278 44 43.6 -6.1 12 111 15648 305 60 49.1 -34.4 | 276 59 58.8 -6.5 13 100 16260 315 40 28.3 -28.3 | 271 38 38.0 -0.4 14 70 18360 300 36 31.2 -18.0 | 256 42 40.9 9.9 15 50 20390 290 31 29.1 -10.6 | 246 42 38.8 17.3 16 30 23570 285 25 24.1 -6.5 | 238 40 33.8 21.4 17 20 26150 70 1 -0.9 -0.3 | 198 29 8.7 27.5 18 10 30690 195 7 1.8 6.8 | 198 36 11.5 34.6 Wind Parameters Mean winds (0-6000m): 349.2 at 39.3 knts Storm direction: 19.2 at 29.5 knts Shear (0-3000m) pos: 7.1 neg: 4.0 tot: 11.1 10-3/s Storm rel Dir Shear (0-3000m): 149.5 deg Storm rel helicity (0-3000m) pos: 477.1 neg: 0.0 tot: 477.1 m^2/s^2 ave: 159.0 10^-3 m/s^2 rel: 0.95 Storm rel vorticity (0-3000m) horiz: 12.3 stream: 11.7 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.02 Bulk Shear: 152.11 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 25 7 197 23| 0.0 11.2 11.2| 64.8 0.0 64.8 129.6 0.93| 11.6 10.8 1000 341 9 213 23| 0.0 12.0 12.0|156.3 0.0 156.3 156.3 0.90| 13.7 12.3 1500 334 15 229 22| 5.9 8.0 13.9|273.0 0.0 273.0 182.0 0.94| 15.1 14.1 2000 335 21 245 21| 6.5 6.0 12.4|335.1 0.0 335.1 167.6 0.95| 13.6 12.8 2500 339 26 260 20| 6.9 4.8 11.6|403.2 0.0 403.2 161.3 0.95| 12.8 12.2 3000 344 31 275 18| 7.1 4.0 11.1|477.1 0.0 477.1 159.0 0.95| 12.3 11.7 4000 347 36 293 19| 5.3 2.8 8.2|477.1 -30.8 446.3 111.6 0.83| 10.0 8.3 5000 349 39 300 20| 4.3 2.3 6.5|477.1 -59.4 417.6 83.5 0.72| 8.6 6.2 6000 349 39 302 20| 3.6 2.1 5.7|477.1 -94.6 382.5 63.8 0.60| 7.7 4.6 Wrote GIF file: /home/apache/climate/data/raob//GC018/skewt/GC018.skewt.20260118.12.gif