UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120602.upa.cvt Date: 0200Z 6 DEC 25 Searching for DA680... Searching the city database file for: DA680 ... Date:0200Z 6 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 107 1 925 799 SFC 866 1362 9.8 -13.2 18 23.0 1.3 140 6 294.8 295.1 281.2 299.7 1.59 3 850 1523 14.8 -10.2 17 25.0 4.3 95 9 301.6 302.0 284.6 308.1 2.07 4 700 3145 8.0 -23.0 9 31.0 -2.1 325 15 311.3 311.5 286.8 314.3 0.86 5 500 5830 -9.9 -15.9 61 6.0 -12.0 275 34 321.0 321.4 291.3 328.4 2.21 6 400 7520 -21.9 -23.6 86 1.7 -22.3 270 49 326.5 326.8 292.1 331.5 1.42 7 300 9570 -37.9 -45.9 43 8.0 -38.5 275 67 332.0 332.0 292.4 332.8 0.21 8 250 10790 -48.1 -52.4 61 4.3 -48.3 275 82 334.6 334.6 293.1 335.0 0.12 9 210 11921 -55.8 -73.9 9 18.1 -56.0 280 98 339.7 339.7 294.3 339.7 0.01 10 200 12230 -57.9 -79.9 4 22.0 -58.1 280 88 341.1 341.1 294.6 341.1 0.00 11 156 13763 -66.1 -79.1 15 13.0 -66.2 275 67 352.2 352.2 297.1 352.3 0.00 12 150 14000 -65.9 -79.9 12 14.0 -66.0 270 65 356.6 356.6 298.0 356.6 0.00 13 100 16440 -71.7 -88.7 6 17.0 -71.8 265 50 389.2 389.2 303.7 389.2 0.00 TRP 156 13763 -66.1 -79.1 15 13.0 -66.2 275 67 352.2 352.2 297.1 352.3 0.00 WND 210 11921 -55.8 -73.9 9 18.1 -56.0 280 98 339.7 339.7 294.3 339.7 0.01 Sounding variables and indices 1000-500 mb thick: 5723.00 m Freezing level: 610.61 mb = 4345.00 m = 14255.08 ft Wetbulb zero: 749.30 mb = 2576.39 m = 8452.63 ft Precipitable water: 0.33 inches Sfc-500 mean rel hum: 26.74 % Est. max temperature: 24.55 C = 76.20 F Sfc-Lift cond lev (LCL): 607.45 mb = 4276.57 m = 14030.58 ft T: 0.46 C 700-500 lapse rate: 6.67 C/km ThetaE index: 0.00 C Layer 866.0-2128654499840.0 mb Conv cond level (CCL): 403.42 mb = 7455.56 m = 24460.20 ft Mean mixing ratio: 1.71 g/kg Conv temperature: 40.02 C = 104.03 F Cap Strength: 12.78 C Lifted Index: 13.20 C Risk: None Lifted Index @300 mb: 16.63 C Lifted Index @700 mb: 7.24 C Showalter Index: 13.61 C Risk: None Total Totals Index: 24.40 C Risk: None Vertical Totals Index: 24.70 C Cross Totals Index: -0.30 C K Index: -16.50 Risk: None Sweat Index: 52.00 Risk: None Energy Index: 4.21 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 26.88 J/kg Max Up Vert Vel: 7.33 m/s Conv Inhibition (B-): 10752.59 J/kg Cap Strength: 13.12 C Lift Cond Lev (LCL): 546.81 mb = 5115.81 m = 16783.95 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 315 at 19 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 ---------------------------------------------------------- 0 866 1362 140 6 -3.9 4.6 | 136 25 -17.3 17.9 1 850 1523 95 9 -9.0 0.8 | 122 26 -22.4 14.1 2 700 3145 325 15 8.6 -12.3 | 102 5 -4.8 1.0 3 500 5830 275 34 33.9 -3.0 | 243 23 20.4 10.3 4 400 7520 270 49 49.0 -0.0 | 250 38 35.6 13.3 5 300 9570 275 67 66.7 -5.8 | 262 54 53.3 7.4 6 250 10790 275 82 81.7 -7.1 | 265 69 68.3 6.1 7 210 11921 280 98 96.5 -17.0 | 273 83 83.1 -3.7 8 200 12230 280 88 86.7 -15.3 | 272 73 73.2 -2.0 9 156 13763 275 67 66.7 -5.8 | 262 54 53.3 7.4 10 150 14000 270 65 65.0 -0.0 | 256 53 51.6 13.3 11 100 16440 265 50 49.8 4.4 | 244 40 36.4 17.6 Wind Parameters Mean winds (0-6000m): 284.7 at 25.2 knts Storm direction: 314.7 at 18.9 knts Shear (0-3000m) pos: 0.0 neg: 5.0 tot: 5.0 10-3/s Storm rel Dir Shear (0-3000m): 128.3 deg Storm rel helicity (0-3000m) pos: 2.6 neg: -119.0 tot: -116.4 m^2/s^2 ave: -38.8 10^-3 m/s^2 rel: -0.43 Storm rel vorticity (0-3000m) horiz: 8.0 stream: -3.4 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.18 Bulk Shear: 151.76 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 89 9 120 26| 0.0 10.5 10.5| 0.0 -72.8 -72.8 -145.6 -0.95| 11.6-11.0 1000 63 10 111 24| 0.0 7.9 7.9| 0.0-106.6-106.6 -106.6 -0.85| 9.9 -8.4 1500 32 11 101 20| 0.0 6.7 6.7| 0.0-118.1-118.1 -78.7 -0.67| 9.8 -6.5 2000 357 12 96 13| 0.0 5.8 5.8| 2.6-118.3-115.7 -57.8 -0.49| 9.3 -4.6 2500 339 13 96 9| 0.0 5.4 5.4| 2.6-118.4-115.8 -46.3 -0.47| 8.5 -4.0 3000 327 15 101 6| 0.0 5.0 5.0| 2.6-119.0-116.4 -38.8 -0.43| 8.0 -3.4 4000 306 18 200 3| 0.0 4.6 4.6| 2.6-129.0-126.4 -31.6 -0.40| 7.4 -3.0 5000 292 21 230 8| 0.0 4.4 4.4| 11.5-141.0-129.5 -25.9 -0.35| 7.0 -2.5 6000 285 25 238 13| 0.0 4.4 4.4| 24.2-141.0-116.8 -19.5 -0.29| 6.7 -1.9 Wrote GIF file: /home/apache/climate/data/raob//DA680/skewt/DA680.skewt.20251206.02.gif