UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025122000.upa.cvt Date: 0000Z 20 DEC 25 Searching for DA680... Searching the city database file for: DA680 ... Date:0000Z 20 DEC 25 Station: DA680 WMO ident: 60680 Latitude: 22.78 Longitude: 5.52 ------------------------------------------------------------------------------- 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 ------------------------------------------------------------------------------- 0 1000 97 1 925 785 SFC 864 1363 6.6 -11.4 26 18.0 -0.0 35 8 291.7 292.0 280.1 297.3 1.85 3 861 1393 10.6 -8.4 25 19.0 2.7 22 8 296.2 296.6 282.7 303.3 2.35 4 857 1433 12.2 -9.8 20 22.0 3.2 5 8 298.2 298.6 283.3 304.7 2.12 5 850 1504 12.4 -10.6 19 23.0 3.1 335 9 299.1 299.5 283.5 305.3 2.00 6 812 1887 13.0 -14.0 14 27.0 2.5 321 11 303.7 304.0 284.9 308.8 1.59 7 766 2373 9.6 -17.4 13 27.0 -0.1 303 13 305.1 305.4 285.1 309.3 1.27 8 753 2515 10.6 -27.4 5 38.0 -0.7 298 13 307.7 307.8 285.1 309.6 0.54 9 700 3118 7.2 -29.8 5 37.0 -3.1 275 16 310.5 310.5 286.1 312.1 0.46 10 656 3649 4.6 -38.4 3 43.0 -5.3 274 18 313.3 313.4 286.8 314.1 0.21 11 646 3775 5.2 -41.8 2 47.0 -5.2 274 19 315.4 315.4 287.4 316.0 0.15 12 598 4402 2.4 -37.6 3 40.0 -7.0 273 21 319.2 319.2 288.8 320.1 0.25 13 529 5378 -5.3 -29.3 13 24.0 -11.5 271 25 321.4 321.5 289.9 323.6 0.64 14 510 5665 -6.1 -35.1 8 29.0 -12.6 270 26 323.8 323.8 290.3 325.2 0.38 15 500 5820 -7.3 -36.3 8 29.0 -13.5 270 27 324.1 324.2 290.4 325.4 0.34 16 456 6527 -13.1 -38.1 10 25.0 -17.7 268 35 325.5 325.6 290.7 326.7 0.31 17 400 7510 -19.7 -45.7 8 26.0 -23.2 265 47 329.4 329.4 291.7 330.0 0.16 18 304 9487 -34.1 -62.1 4 28.0 -35.6 260 64 336.0 336.0 293.3 336.2 0.03 19 300 9580 -34.9 -60.9 5 26.0 -36.3 260 65 336.2 336.2 293.4 336.3 0.04 20 269 10328 -41.3 -57.3 16 16.0 -42.1 266 72 337.5 337.5 293.7 337.8 0.06 21 250 10820 -44.7 -54.7 32 10.0 -45.2 270 77 339.6 339.6 294.3 340.0 0.09 22 244 10983 -46.1 -54.1 40 8.0 -46.4 269 79 339.9 339.9 294.4 340.3 0.10 23 206 12091 -54.5 -64.5 28 10.0 -54.7 261 92 343.5 343.6 295.2 343.7 0.03 24 200 12280 -56.1 -60.5 58 4.4 -56.2 260 94 343.9 343.9 295.3 344.2 0.06 25 170 13291 -64.9 -69.9 50 5.0 -65.0 260 95 345.7 345.7 295.7 345.8 0.02 26 162 13583 -67.1 -75.1 31 8.0 -67.1 260 96 346.8 346.8 295.9 346.8 0.01 27 161 13620 -66.5 -77.0 22 10.5 -66.6 260 96 348.4 348.4 296.3 348.4 0.01 28 158 13735 -64.7 -82.7 7 18.0 -64.8 263 94 353.3 353.3 297.4 353.3 0.00 29 150 14050 -66.7 -81.7 10 15.0 -66.8 270 87 355.2 355.2 297.7 355.2 0.00 30 117 15536 -71.9 -87.9 7 16.0 -71.9 260 75 371.7 371.7 300.9 371.7 0.00 31 100 16460 -73.1 -90.1 6 17.0 -73.2 255 58 386.5 386.5 303.3 386.5 0.00 32 81 17684 -75.9 -89.9 9 14.0 -75.9 258 36 404.8 404.8 305.8 404.8 0.00 33 76 18055 -71.9 -88.9 6 17.0 -72.0 259 29 420.6 420.6 307.8 420.6 0.00 34 70 18540 -71.3 -91.3 4 20.0 -71.4 260 20 431.8 431.8 309.0 431.9 0.00 35 68 18712 -66.9 -91.9 2 25.0 -67.1 262 19 444.9 444.9 310.4 444.9 0.00 36 62 19268 -66.5 -90.5 2 24.0 -66.7 269 15 457.7 457.7 311.5 457.7 0.00 37 59 19565 -68.9 -91.9 2 23.0 -69.1 273 13 458.9 458.9 311.7 458.9 0.00 38 50 20560 -65.3 -92.3 1 27.0 -65.6 285 6 489.6 489.6 314.2 489.6 0.00 39 48 20810 -63.5 -92.5 1 29.0 -63.9 298 6 499.6 499.6 314.9 499.6 0.00 40 35 22740 -65.9 -92.9 1 27.0 -66.3 37 10 540.6 540.6 317.6 540.6 0.00 41 30 23690 -59.9 -92.9 1 33.0 -60.9 85 12 581.3 581.3 319.8 581.4 0.00 42 29 23903 -57.1 -91.1 1 34.0 -58.4 85 14 594.7 594.7 320.3 594.7 0.00 43 23 25375 -55.1 -90.1 1 35.0 -57.1 82 30 641.4 641.4 322.3 641.4 0.00 44 20 26280 -48.9 -86.9 0 38.0 -52.7 80 39 686.5 686.5 324.0 686.6 0.01 45 19 26617 -48.5 -86.5 0 38.0 -52.6 697.9 697.9 324.4 698.0 0.01 46 16 27748 -48.7 -86.7 0 38.0 -53.2 732.4 732.4 325.4 732.5 0.01 TRP 117 15536 -71.9 -87.9 7 16.0 -71.9 260 75 371.7 371.7 300.9 371.7 0.00 WND 161 13620 -66.5 -77.0 22 10.5 -66.6 260 96 348.4 348.4 296.3 348.4 0.01 Sounding variables and indices 1000-500 mb thick: 5723.00 m Freezing level: 576.49 mb = 4706.11 m = 15439.82 ft Wetbulb zero: Below ground Precipitable water: 0.13 inches Sfc-500 mean rel hum: 8.16 % Est. max temperature: 23.89 C = 75.00 F Sfc-Lift cond lev (LCL): 653.75 mb = 3677.36 m = 12064.70 ft T: 4.73 C 700-500 lapse rate: 5.37 C/km ThetaE index: 0.00 C Layer 864.0- -0.2 mb Conv cond level (CCL): 379.00 mb = 7898.59 m = 25913.69 ft Mean mixing ratio: 1.65 g/kg Conv temperature: 44.07 C = 111.33 F Cap Strength: 16.56 C Lifted Index: 16.53 C Risk: None Lifted Index @300 mb: 20.45 C Lifted Index @700 mb: 7.30 C Showalter Index: 17.99 C Risk: None Total Totals Index: 16.40 C Risk: None Vertical Totals Index: 19.70 C Cross Totals Index: -3.30 C K Index: -27.90 Risk: None Sweat Index: 45.00 Risk: None Energy Index: 4.35 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 35.87 J/kg Max Up Vert Vel: 8.47 m/s Conv Inhibition (B-): 44393.89 J/kg Cap Strength: 16.53 C Lift Cond Lev (LCL): 550.50 mb = 5061.01 m = 16604.15 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 303 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 ---------------------------------------------------------- 0 864 1363 35 8 -4.6 -6.6 | 98 19 -18.9 2.8 1 850 1504 335 9 3.8 -8.2 | 97 11 -10.5 1.2 2 700 3118 275 16 15.9 -1.4 | 191 8 1.6 8.0 3 500 5820 270 27 27.0 -0.0 | 234 16 12.7 9.4 4 400 7510 265 47 46.8 4.1 | 247 35 32.5 13.5 5 300 9580 260 65 64.0 11.3 | 247 54 49.7 20.7 6 250 10820 270 77 77.0 -0.0 | 261 63 62.7 9.4 7 200 12280 260 94 92.6 16.3 | 252 82 78.2 25.7 8 161 13620 260 96 94.5 16.7 | 252 84 80.2 26.0 9 150 14050 270 87 87.0 -0.0 | 263 73 72.7 9.4 10 117 15536 260 75 73.9 13.0 | 249 64 59.5 22.4 11 100 16460 255 58 56.0 15.0 | 240 48 41.7 24.4 12 70 18540 260 20 19.7 3.5 | 203 14 5.4 12.8 13 50 20560 285 6 5.8 -1.6 | 133 12 -8.5 7.8 14 30 23690 85 12 -12.0 -1.0 | 108 28 -26.3 8.3 15 20 26280 80 39 -38.4 -6.8 | 93 53 -52.7 2.6 Wind Parameters Mean winds (0-6000m): 273.2 at 22.8 knts Storm direction: 303.2 at 17.1 knts Shear (0-3000m) pos: 0.0 neg: 4.5 tot: 4.5 10-3/s Storm rel Dir Shear (0-3000m): 120.2 deg Storm rel helicity (0-3000m) pos: 23.9 neg: -6.1 tot: 17.8 m^2/s^2 ave: 5.9 10^-3 m/s^2 rel: 0.41 Storm rel vorticity (0-3000m) horiz: 4.9 stream: 2.0 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.66 Bulk Shear: 54.56 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 ------------------------------------------------------------------------------- 500 336 9 94 11| 0.0 11.6 11.6| 2.5 -6.1 -3.6 -7.2 -0.05| 11.9 -0.6 1000 321 11 99 8| 0.0 7.9 7.9| 6.1 -6.1 0.0 0.0 0.12| 8.2 1.0 1500 306 12 117 6| 0.0 6.6 6.6| 11.3 -6.1 5.2 3.4 0.30| 7.2 2.1 2000 295 13 145 5| 0.0 5.7 5.7| 15.5 -6.1 9.4 4.7 0.34| 6.3 2.2 2500 289 14 164 5| 0.0 5.0 5.0| 19.7 -6.1 13.6 5.5 0.38| 5.5 2.1 3000 285 15 179 6| 0.0 4.5 4.5| 23.9 -6.1 17.8 5.9 0.41| 4.9 2.0 4000 280 17 200 7| 0.0 3.9 3.9| 31.8 -6.1 25.7 6.4 0.43| 4.2 1.8 5000 276 19 214 9| 0.0 4.0 4.0| 47.9 -6.1 41.8 8.4 0.43| 4.2 1.8 6000 273 23 226 12| 0.0 4.3 4.3| 65.7 -6.1 59.6 9.9 0.38| 4.6 1.7 Wrote GIF file: /home/apache/climate/data/raob//DA680/skewt/DA680.skewt.20251220.00.gif