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 VG883... Searching the city database file for: VG883 ... Date:0000Z 13 DEC 25 Station: VG883 WMO ident: 41883 Latitude: 24.85 Longitude: 89.37 ------------------------------------------------------------------------------- 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 1015 23 17.4 15.9 91 1.5 16.4 0 0 289.3 291.3 289.0 320.9 11.26 1 1000 150 20.8 12.8 60 8.0 15.8 360 16 294.0 295.6 288.9 320.7 9.32 2 925 821 17.4 7.4 52 10.0 11.6 10 8 297.1 298.4 287.9 317.6 6.99 3 850 1535 10.4 5.4 71 5.0 7.6 20 6 297.0 298.2 287.6 316.5 6.63 4 700 3146 7.6 -32.4 4 40.0 -3.1 285 27 310.9 311.0 286.1 312.2 0.36 5 500 5840 -5.3 -43.3 3 38.0 -12.6 280 44 326.6 326.6 290.9 327.2 0.17 6 400 7550 -17.5 -45.5 7 28.0 -21.5 270 50 332.2 332.3 292.5 332.9 0.16 7 300 9640 -32.5 -49.5 17 17.0 -34.0 260 73 339.6 339.6 294.3 340.1 0.14 8 250 10900 -40.9 -56.9 16 16.0 -41.8 260 82 345.3 345.3 295.6 345.6 0.07 9 234 11347 -44.3 -60.3 15 16.0 -45.0 255 87 346.6 346.7 295.9 346.9 0.05 10 200 12380 -52.5 -68.5 13 16.0 -52.8 260 83 349.6 349.6 296.5 349.7 0.02 11 150 14170 -66.7 -79.7 14 13.0 -66.8 260 72 355.2 355.2 297.7 355.2 0.00 12 100 16540 -75.9 -88.9 11 13.0 -75.9 265 56 381.1 381.1 302.4 381.1 0.00 TRP WND 234 11347 -44.3 -60.3 15 16.0 -45.0 255 87 346.6 346.7 295.9 346.9 0.05 Sounding variables and indices 1000-500 mb thick: 5690.00 m Freezing level: 582.17 mb = 4733.16 m = 15528.56 ft Wetbulb zero: 743.17 mb = 2649.49 m = 8692.44 ft Precipitable water: 0.75 inches Sfc-500 mean rel hum: 27.07 % Est. max temperature: 25.19 C = 77.33 F Sfc-Lift cond lev (LCL): 992.91 mb = 211.28 m = 693.17 ft T: 20.49 C 700-500 lapse rate: 4.79 C/km ThetaE index: 8.71 C Layer 1000.0- 500.0 mb Conv cond level (CCL): 651.17 mb = 3724.93 m = 12220.75 ft Mean mixing ratio: 8.34 g/kg Conv temperature: 42.46 C = 108.42 F Cap Strength: 7.52 C Lifted Index: 11.50 C Risk: None Lifted Index @300 mb: 14.88 C Lifted Index @700 mb: 7.52 C Showalter Index: 13.08 C Risk: None Total Totals Index: 26.40 C Risk: None Vertical Totals Index: 15.70 C Cross Totals Index: 10.70 C K Index: -18.90 Risk: None Sweat Index: 120.80 Risk: None Energy Index: 2.40 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 15.01 J/kg Max Up Vert Vel: 5.48 m/s Conv Inhibition (B-): 9667.82 J/kg Cap Strength: 11.46 C Lift Cond Lev (LCL): 851.84 mb = 1516.72 m = 4976.04 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 320 at 18 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 1015 23 0 0 -0.0 -0.0 | 140 18 -11.6 14.0 1 1000 150 360 16 -0.0 -16.0 | 80 12 -11.6 -2.0 2 925 821 10 8 -1.4 -7.9 | 115 14 -13.0 6.2 3 850 1535 20 6 -2.1 -5.6 | 122 16 -13.7 8.4 4 700 3146 285 27 26.1 -7.0 | 244 16 14.4 7.1 5 500 5840 280 44 43.3 -7.6 | 259 32 31.7 6.4 6 400 7550 270 50 50.0 -0.0 | 250 41 38.4 14.0 7 300 9640 260 73 71.9 12.7 | 246 66 60.2 26.7 8 250 10900 260 82 80.8 14.2 | 248 75 69.1 28.3 9 234 11347 255 87 84.0 22.5 | 243 81 72.4 36.6 10 200 12380 260 83 81.7 14.4 | 248 76 70.1 28.5 11 150 14170 260 72 70.9 12.5 | 246 65 59.3 26.5 12 100 16540 265 56 55.8 4.9 | 247 48 44.1 18.9 Wind Parameters Mean winds (0-6000m): 290.3 at 24.3 knts Storm direction: 320.3 at 18.2 knts Shear (0-3000m) pos: 1.0 neg: 4.4 tot: 5.5 10-3/s Storm rel Dir Shear (0-3000m): 109.2 deg Storm rel helicity (0-3000m) pos: 30.5 neg: -76.0 tot: -45.5 m^2/s^2 ave: -15.2 10^-3 m/s^2 rel: -0.36 Storm rel vorticity (0-3000m) horiz: 9.8 stream: -3.5 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.20 Bulk Shear: 73.32 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 2 12 98 12| 11.9 0.0 11.9| 11.8 -46.8 -35.0 -70.0 -0.53| 19.9-10.6 1000 4 11 105 13| 3.8 0.0 3.8| 25.7 -46.8 -21.1 -21.1 -0.27| 12.2 -3.3 1500 7 9 111 14| 2.1 0.0 2.1| 30.5 -46.8 -16.2 -10.8 -0.21| 8.7 -1.8 2000 6 9 111 13| 1.6 2.0 3.5| 30.5 -63.8 -33.3 -16.7 -0.30| 8.5 -2.6 2500 353 11 109 11| 1.2 3.4 4.6| 30.5 -69.0 -38.5 -15.4 -0.34| 9.0 -3.1 3000 330 12 121 6| 1.0 4.4 5.5| 30.5 -76.0 -45.5 -15.2 -0.36| 9.8 -3.5 4000 306 17 202 5| 0.8 4.3 5.1| 41.8 -80.3 -38.5 -9.6 -0.29| 8.5 -2.5 5000 296 20 233 8| 0.6 4.1 4.8| 53.9 -80.3 -26.4 -5.3 -0.24| 7.5 -1.8 6000 290 24 243 12| 0.5 4.0 4.5| 61.7 -84.8 -23.1 -3.8 -0.22| 6.8 -1.5 Wrote GIF file: /home/apache/climate/data/raob//VG883/skewt/VG883.skewt.20251213.00.gif