UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121300.upa.cvt Date: 0000Z 13 DEC 25 Searching for GC018... Searching the city database file for: GC018 ... Date:0000Z 13 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 1006 117 16.4 5.4 48 11.0 10.5 340 11 289.1 290.0 283.4 305.0 5.59 1 1000 168 16.6 5.6 48 11.0 10.7 350 20 289.8 290.8 283.8 306.0 5.70 2 925 825 11.0 3.0 58 8.0 6.9 355 29 290.6 291.5 283.5 305.3 5.13 3 850 1523 5.0 -1.0 65 6.0 2.2 335 27 291.4 292.1 282.8 303.5 4.18 4 813 1884 2.2 -2.8 69 5.0 0.0 338 32 292.1 292.8 282.7 303.3 3.82 5 765 2371 -2.5 -2.9 97 0.4 -2.7 343 39 292.2 292.9 283.0 304.0 4.04 6 756 2465 -3.1 -4.7 89 1.6 -3.8 344 40 292.5 293.2 282.6 303.0 3.56 7 751 2518 -1.9 -9.9 54 8.0 -4.8 345 41 294.4 294.8 282.0 301.6 2.40 8 730 2743 -3.3 -14.3 42 11.0 -6.9 347 44 295.3 295.6 281.5 300.6 1.73 9 700 3073 -5.7 -14.7 49 9.0 -8.5 350 49 296.2 296.5 282.0 301.6 1.74 10 686 3231 -7.1 -16.1 49 9.0 -9.8 348 52 296.3 296.6 281.8 301.2 1.58 11 661 3520 -7.5 -29.5 15 22.0 -12.1 345 56 299.0 299.1 281.6 300.7 0.50 12 647 3688 -5.3 -40.3 4 35.0 -11.4 343 59 303.4 303.4 283.0 304.0 0.18 13 644 3724 -4.3 -35.3 7 31.0 -10.5 343 59 304.9 305.0 283.8 305.9 0.29 14 622 3998 -5.1 -33.1 9 28.0 -11.1 339 64 307.0 307.1 284.7 308.3 0.38 15 541 5076 -14.1 -36.1 14 22.0 -17.8 327 81 308.8 308.9 285.3 309.9 0.32 16 500 5670 -17.9 -37.9 16 20.0 -20.9 320 91 311.2 311.3 286.1 312.3 0.29 17 414 7045 -27.9 -43.9 20 16.0 -29.5 333 102 315.6 315.6 287.5 316.3 0.19 18 400 7290 -30.2 -45.0 22 14.8 -31.5 335 104 315.7 315.8 287.5 316.4 0.17 19 337 8482 -41.7 -50.7 37 9.0 -42.1 332 100 315.9 315.9 287.5 316.3 0.11 20 327 8686 -43.5 -53.5 32 10.0 -43.9 331 100 316.2 316.2 287.6 316.5 0.08 21 300 9260 -48.1 -59.1 27 11.0 -48.4 330 98 317.6 317.6 288.0 317.7 0.04 22 283 9644 -50.1 -64.1 18 14.0 -50.4 330 90 320.0 320.0 288.8 320.1 0.02 23 250 10450 -54.1 -71.1 11 17.0 -54.3 330 72 325.6 325.6 290.5 325.7 0.01 24 248 10502 -54.3 -70.3 12 16.0 -54.5 328 72 326.1 326.1 290.6 326.1 0.01 25 230 10991 -48.9 -75.9 3 27.0 -49.4 308 69 341.4 341.4 294.7 341.4 0.01 26 200 11900 -54.1 -79.1 3 25.0 -54.4 270 65 347.1 347.1 296.0 347.1 0.00 27 170 12920 -61.5 -82.5 5 21.0 -61.6 290 79 351.3 351.3 296.9 351.3 0.00 28 150 13700 -57.1 -84.1 2 27.0 -57.4 310 67 371.7 371.7 300.9 371.7 0.00 29 147 13828 -56.7 -83.7 2 27.0 -57.0 309 65 374.5 374.5 301.4 374.6 0.00 30 129 14652 -57.5 -84.5 2 27.0 -57.8 303 52 387.4 387.4 303.4 387.4 0.00 31 101 16160 -67.3 -86.3 5 19.0 -67.4 290 27 396.6 396.6 304.8 396.6 0.00 32 100 16220 -67.3 -86.3 5 19.0 -67.4 290 26 397.7 397.7 304.9 397.7 0.00 33 99 16281 -67.3 -86.3 5 19.0 -67.4 398.8 398.8 305.0 398.9 0.00 TRP 170 12920 -61.5 -82.5 5 21.0 -61.6 290 79 351.3 351.3 296.9 351.3 0.00 WND 400 7290 -30.2 -45.0 22 14.8 -31.5 335 104 315.7 315.8 287.5 316.4 0.17 Sounding variables and indices 1000-500 mb thick: 5502.00 m Freezing level: 790.53 mb = 2112.07 m = 6929.29 ft Wetbulb zero: 812.65 mb = 1887.56 m = 6192.72 ft Precipitable water: 0.56 inches Sfc-500 mean rel hum: 39.99 % Est. max temperature: 18.67 C = 65.60 F Sfc-Lift cond lev (LCL): 852.91 mb = 1494.83 m = 4904.25 ft T: 5.24 C 700-500 lapse rate: 4.70 C/km ThetaE index: 3.42 C Layer 756.0- 700.0 mb Conv cond level (CCL): 807.28 mb = 1940.59 m = 6366.69 ft Mean mixing ratio: 5.35 g/kg Conv temperature: 19.51 C = 67.11 F Cap Strength: 7.54 C Lifted Index: 7.28 C Risk: None Lifted Index @300 mb: 8.66 C Lifted Index @700 mb: 0.67 C Showalter Index: 8.62 C Risk: None Total Totals Index: 39.80 C Risk: None Vertical Totals Index: 22.90 C Cross Totals Index: 16.90 C K Index: 12.90 Risk: None Sweat Index: 145.00 Risk: None Energy Index: 1.85 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 5.35 J/kg Max Up Vert Vel: 3.27 m/s Conv Inhibition (B-): 40.98 J/kg Cap Strength: 7.51 C Lift Cond Lev (LCL): 830.57 mb = 1710.60 m = 5612.14 ft Lev Free Conv (LFC): 775.57 mb = 2261.30 m = 7418.86 ft Equ Level (EL): 755.57 mb = 2469.43 m = 8101.70 ft B at Equ Level: 4.72 J/kg Max Parcel Lev (MPL): 735.57 mb = 2682.21 m = 8799.81 ft Wind level data Storm motion: 4 at 40 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 1006 117 340 11 3.8 -10.3 | 192 31 6.5 29.8 1 1000 168 350 20 3.5 -19.7 | 197 21 6.2 20.5 2 925 825 355 29 2.5 -28.9 | 205 12 5.3 11.3 3 850 1523 335 27 11.4 -24.5 | 222 21 14.2 15.7 4 700 3073 350 49 8.5 -48.3 | 306 14 11.3 -8.1 5 500 5670 320 91 58.5 -69.7 | 296 68 61.2 -29.6 6 400 7290 335 104 44.0 -94.3 | 319 71 46.7 -54.1 7 300 9260 330 98 49.0 -84.9 | 311 68 51.7 -44.7 8 250 10450 330 72 36.0 -62.4 | 300 45 38.7 -22.2 9 200 11900 270 65 65.0 -0.0 | 239 79 67.7 40.2 10 170 12920 290 79 74.2 -27.0 | 260 78 77.0 13.1 11 150 13700 310 67 51.3 -43.1 | 273 54 54.1 -2.9 12 100 16220 290 26 24.4 -8.9 | 221 41 27.2 31.3 Wind Parameters Mean winds (0-6000m): 333.9 at 53.7 knts Storm direction: 3.9 at 40.3 knts Shear (0-3000m) pos: 6.7 neg: 1.5 tot: 8.1 10-3/s Storm rel Dir Shear (0-3000m): 114.1 deg Storm rel helicity (0-3000m) pos: 133.3 neg: 0.0 tot: 133.3 m^2/s^2 ave: 44.4 10^-3 m/s^2 rel: 0.59 Storm rel vorticity (0-3000m) horiz: 9.1 stream: 5.3 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.04 Bulk Shear: 145.07 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 ------------------------------------------------------------------------------- 500 352 22 198 19| 16.1 0.0 16.1| 21.8 0.0 21.8 43.6 0.24| 16.1 3.8 1000 352 25 202 16| 8.1 2.0 10.0| 34.2 0.0 34.2 34.2 0.31| 11.7 3.7 1500 348 26 209 17| 5.4 2.9 8.3| 49.2 0.0 49.2 32.8 0.34| 10.2 3.5 2000 345 27 216 17| 6.0 2.2 8.2| 78.7 0.0 78.7 39.3 0.44| 9.6 4.2 2500 345 30 223 15| 6.4 1.8 8.1|106.7 0.0 106.7 42.7 0.52| 9.3 4.9 3000 346 33 231 13| 6.7 1.5 8.1|133.3 0.0 133.3 44.4 0.59| 9.1 5.3 4000 345 39 258 13| 5.0 3.5 8.5|136.8 -7.4 129.5 32.4 0.42| 9.4 4.0 5000 340 46 279 19| 4.0 5.0 9.0|136.8 -75.3 61.5 12.3 0.27| 9.8 2.6 6000 334 54 287 28| 3.9 5.2 9.1|264.1-147.1 117.1 19.5 0.24| 9.9 2.4 Wrote GIF file: /home/apache/climate/data/raob//GC018/skewt/GC018.skewt.20251213.00.gif