UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025102800.upa.cvt Date: 0000Z 28 OCT 25 Searching for VVDN... Searching the city database file for: VVDN ... Date:0000Z 28 OCT 25 Station: VVDN WMO ident: 48855 Latitude: 16.03 Longitude: 108.18 Elevation: 7.00 ------------------------------------------------------------------------------- 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 1011 7 26.4 23.9 86 2.5 24.6 40 5 298.6 302.0 297.4 353.4 18.78 1 1000 106 25.6 23.4 88 2.2 24.0 45 13 298.8 302.1 297.1 352.5 18.41 2 955 511 22.4 22.4 100 0.0 22.4 54 18 299.5 302.8 297.2 352.5 18.14 3 925 789 21.2 21.2 100 0.0 21.2 60 21 301.0 304.2 297.1 352.1 17.39 4 850 1520 17.4 17.4 100 0.0 17.4 75 15 304.4 307.1 296.3 348.7 14.87 5 700 3161 9.6 8.0 90 1.6 8.6 60 21 313.1 315.0 295.0 343.0 9.67 6 693 3244 9.0 7.6 91 1.4 8.1 61 21 313.4 315.2 295.0 342.8 9.50 7 655 3711 7.8 4.4 79 3.4 5.8 66 19 317.1 318.6 294.9 342.5 8.04 8 600 4429 3.2 1.8 91 1.4 2.4 74 17 319.8 321.2 295.1 343.1 7.29 9 512 5702 -3.1 -3.8 95 0.7 -3.5 88 14 327.0 328.2 295.7 345.7 5.65 10 500 5890 -3.9 -5.7 87 1.8 -4.8 90 13 328.3 329.3 295.5 345.0 5.01 11 448 6755 -8.5 -12.7 72 4.2 -10.2 90 13 333.0 333.6 295.3 344.1 3.22 12 413 7385 -12.3 -13.0 94 0.7 -12.6 90 13 335.9 336.6 296.1 347.8 3.41 13 400 7630 -13.9 -14.8 93 0.9 -14.3 90 13 336.9 337.5 296.1 347.6 3.03 14 379 8036 -15.9 -18.0 84 2.1 -16.6 91 14 339.5 340.0 296.3 348.3 2.45 15 304 9655 -27.5 -29.3 85 1.8 -27.9 95 21 345.3 345.5 296.5 349.5 1.11 16 300 9750 -28.1 -30.8 78 2.7 -28.6 95 21 345.8 346.0 296.5 349.5 0.98 17 278 10296 -31.7 -37.7 55 6.0 -32.6 99 18 348.2 348.3 296.7 350.3 0.54 18 250 11040 -38.1 -44.1 53 6.0 -38.7 105 15 349.4 349.5 296.8 350.7 0.30 19 246 11151 -39.1 -47.1 42 8.0 -39.8 106 16 349.5 349.6 296.7 350.5 0.22 20 206 12338 -49.5 -52.4 71 2.9 -49.6 118 25 351.4 351.4 297.1 352.0 0.15 21 200 12530 -51.3 -56.3 55 5.0 -51.5 120 27 351.5 351.6 297.0 351.9 0.09 22 184 13066 -56.3 -59.1 71 2.8 -56.4 116 28 351.9 351.9 297.1 352.2 0.07 23 150 14330 -67.9 -72.9 49 5.0 -67.9 105 29 353.1 353.1 297.3 353.2 0.01 24 148 14410 -68.5 -74.5 42 6.0 -68.5 103 29 353.4 353.4 297.4 353.5 0.01 25 137 14868 -71.7 -79.7 29 8.0 -71.8 94 29 355.7 355.7 297.8 355.7 0.01 26 124 15447 -76.9 -80.4 57 3.5 -76.9 82 28 356.5 356.5 298.0 356.5 0.01 27 115 15875 -79.5 -84.5 43 5.0 -79.5 72 28 359.5 359.5 298.6 359.5 0.00 28 100 16660 -82.3 -88.3 35 6.0 -82.3 55 27 368.7 368.7 300.4 368.7 0.00 TRP WND Sounding variables and indices 1000-500 mb thick: 5784.00 m Freezing level: 555.30 mb = 5075.83 m = 16652.78 ft Wetbulb zero: 563.80 mb = 4928.65 m = 16169.92 ft Precipitable water: 2.63 inches Sfc-500 mean rel hum: 92.80 % Est. max temperature: 31.66 C = 88.99 F Sfc-Lift cond lev (LCL): 975.37 mb = 325.18 m = 1066.85 ft T: 23.87 C 700-500 lapse rate: 4.95 C/km ThetaE index: 10.04 C Layer 925.0- 600.0 mb Conv cond level (CCL): 950.31 mb = 553.56 m = 1816.14 ft Mean mixing ratio: 17.99 g/kg Conv temperature: 27.49 C = 81.48 F Cap Strength: -0.03 C Lifted Index: -1.81 C Risk: Thunderstorms probable Lifted Index @300 mb: -1.05 C Lifted Index @700 mb: -1.67 C Showalter Index: -0.46 C Risk: Thunderstorms probable Total Totals Index: 42.60 C Risk: None Vertical Totals Index: 21.30 C Cross Totals Index: 21.30 C K Index: 37.10 Risk: > 80 % chance of thunderstorms Sweat Index: 251.80 Risk: None Energy Index: -0.83 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 541.19 J/kg Max Up Vert Vel: 32.90 m/s Conv Inhibition (B-): 0.00 J/kg Cap Strength: 0.00 C Lift Cond Lev (LCL): 950.37 mb = 553.08 m = 1814.55 ft Lev Free Conv (LFC): 945.37 mb = 599.09 m = 1965.48 ft Equ Level (EL): 175.37 mb = 13363.49 m = 43842.95 ft B at Equ Level: 539.92 J/kg Wind level data Storm motion: 97 at 13 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 1011 7 40 5 -3.2 -3.8 | 300 11 9.6 -5.5 1 1000 106 45 13 -9.2 -9.2 | 342 11 3.6 -10.9 2 925 789 60 21 -18.2 -10.5 | 24 13 -5.4 -12.2 3 850 1520 75 15 -14.5 -3.9 | 17 6 -1.7 -5.6 4 700 3161 60 21 -18.2 -10.5 | 24 13 -5.4 -12.2 5 500 5890 90 13 -13.0 0.0 | 7 2 -0.2 -1.7 6 400 7630 90 13 -13.0 0.0 | 7 2 -0.2 -1.7 7 300 9750 95 21 -20.9 1.8 | 91 8 -8.1 0.2 8 250 11040 105 15 -14.5 3.9 | 142 3 -1.7 2.2 9 200 12530 120 27 -23.4 13.5 | 138 16 -10.6 11.8 10 150 14330 105 29 -28.0 7.5 | 111 16 -15.2 5.8 11 100 16660 55 27 -22.1 -15.5 | 29 20 -9.3 -17.2 Wind Parameters Mean winds (0-6000m): 67.5 at 17.2 knts Storm direction: 97.5 at 12.9 knts Shear (0-3000m) pos: 1.9 neg: 1.2 tot: 3.1 10-3/s Storm rel Dir Shear (0-3000m): 84.3 deg Storm rel helicity (0-3000m) pos: 53.2 neg: -2.0 tot: 51.2 m^2/s^2 ave: 17.1 10^-3 m/s^2 rel: 0.55 Storm rel vorticity (0-3000m) horiz: 5.4 stream: 3.0 10^-3/s Energy-Hel index: 0.18 Bulk Rich Number: 121.15 Bulk Shear: 4.47 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 49 14 349 11| 13.3 0.0 13.3| 38.4 0.0 38.4 76.9 0.99| 13.9 13.8 1000 56 17 6 11| 7.6 0.0 7.6| 51.4 0.0 51.4 51.4 0.88| 10.0 8.9 1500 60 17 11 10| 3.9 0.0 3.9| 51.4 -1.8 49.7 33.1 0.66| 8.5 5.6 2000 63 17 13 10| 2.9 0.5 3.4| 52.5 -1.8 50.8 25.4 0.64| 6.9 4.4 2500 64 17 15 9| 2.3 0.9 3.2| 53.2 -1.8 51.4 20.6 0.60| 6.0 3.6 3000 64 17 17 10| 1.9 1.2 3.1| 53.2 -2.0 51.2 17.1 0.55| 5.4 3.0 4000 64 18 19 10| 1.4 0.9 2.3| 56.1 -2.1 54.0 13.5 0.51| 4.6 2.3 5000 65 18 21 10| 1.2 0.7 1.8| 56.9 -2.2 54.7 10.9 0.46| 4.1 1.9 6000 67 17 21 9| 1.0 0.6 1.6| 56.9 -2.9 53.9 9.0 0.40| 3.7 1.5 Wrote GIF file: /home/apache/climate/data/raob//VVDN/skewt/VVDN.skewt.20251028.00.gif