UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101800.upa.cvt Date: 0000Z 18 OCT 25 Searching for VVDN... Searching the city database file for: VVDN ... Date:0000Z 18 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 1012 7 23.0 22.1 95 0.9 22.4 300 1 295.1 298.2 295.1 343.3 16.77 1 1000 110 22.2 21.7 97 0.5 21.9 295 9 295.4 298.3 295.0 342.9 16.56 2 941 641 20.8 20.8 100 0.0 20.8 64 7 299.1 302.1 296.1 347.7 16.66 3 933 716 21.6 20.2 92 1.4 20.6 82 7 300.7 303.6 296.2 348.1 16.18 4 925 791 21.0 20.0 94 1.0 20.3 100 7 300.8 303.7 296.2 348.1 16.11 5 850 1521 17.4 17.0 97 0.4 17.1 110 9 304.4 307.1 296.1 347.5 14.49 6 717 2962 11.2 5.2 67 6.0 7.6 123 23 312.7 314.2 293.5 336.8 7.76 7 700 3162 9.6 4.6 71 5.0 6.6 125 25 313.1 314.6 293.5 336.8 7.62 8 586 4616 0.0 0.0 100 0.0 0.0 93 24 318.3 319.5 294.1 339.1 6.55 9 500 5880 -4.9 -5.2 98 0.3 -5.1 65 23 327.1 328.1 295.4 344.3 5.20 10 455 6619 -8.3 -9.2 93 0.9 -8.7 63 21 331.7 332.6 295.7 346.0 4.19 11 400 7610 -14.1 -15.4 90 1.3 -14.6 60 19 336.7 337.3 295.9 346.8 2.89 12 307 9565 -27.5 -30.1 78 2.6 -28.0 55 19 344.3 344.6 296.3 348.2 1.02 13 300 9730 -28.7 -31.3 78 2.6 -29.2 55 19 344.9 345.1 296.3 348.5 0.93 14 250 11010 -39.1 -42.1 73 3.0 -39.4 60 17 347.9 348.0 296.5 349.5 0.38 15 200 12490 -52.1 -56.0 63 3.9 -52.2 40 19 350.3 350.3 296.8 350.7 0.10 16 192 12754 -54.7 -59.0 59 4.3 -54.8 36 20 350.2 350.2 296.7 350.5 0.07 17 152 14210 -67.3 -72.3 49 5.0 -67.4 11 23 352.8 352.8 297.3 352.9 0.01 18 150 14290 -67.7 -72.6 50 4.9 -67.7 10 23 353.5 353.5 297.4 353.5 0.01 19 144 14535 -69.3 -73.9 51 4.6 -69.4 16 23 354.8 354.8 297.7 354.9 0.01 20 140 14703 -68.3 -73.0 51 4.7 -68.4 19 23 359.5 359.5 298.6 359.5 0.01 21 113 15961 -77.1 -81.5 49 4.4 -77.1 48 22 365.8 365.8 299.8 365.8 0.00 22 100 16660 -78.3 -84.3 37 6.0 -78.3 65 21 376.4 376.4 301.6 376.5 0.00 TRP WND Sounding variables and indices 1000-500 mb thick: 5770.00 m Freezing level: 586.00 mb = 4616.26 m = 15145.02 ft Wetbulb zero: 585.67 mb = 4620.79 m = 15159.88 ft Precipitable water: 2.43 inches Sfc-500 mean rel hum: 89.83 % Est. max temperature: 31.67 C = 89.00 F Sfc-Lift cond lev (LCL): 999.17 mb = 117.25 m = 384.67 ft T: 22.18 C 700-500 lapse rate: 5.33 C/km ThetaE index: 11.30 C Layer 925.0- 586.0 mb Conv cond level (CCL): 903.32 mb = 995.75 m = 3266.86 ft Mean mixing ratio: 16.47 g/kg Conv temperature: 29.67 C = 85.41 F Cap Strength: 1.48 C Lifted Index: -0.47 C Risk: Thunderstorms probable Lifted Index @300 mb: 1.92 C Lifted Index @700 mb: 0.15 C Showalter Index: -1.05 C Risk: Thunderstorms probable Total Totals Index: 44.20 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 22.30 C Cross Totals Index: 21.90 C K Index: 34.30 Risk: 60-80 % chance of thunderstorms Sweat Index: 245.00 Risk: None Energy Index: -0.75 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 155.41 J/kg Max Up Vert Vel: 17.63 m/s Conv Inhibition (B-): 69.20 J/kg Cap Strength: 1.31 C Lift Cond Lev (LCL): 954.12 mb = 520.35 m = 1707.15 ft Lev Free Conv (LFC): 689.12 mb = 3290.13 m = 10794.25 ft Equ Level (EL): 469.12 mb = 6379.26 m = 20929.08 ft B at Equ Level: 154.59 J/kg Max Parcel Lev (MPL): 289.12 mb = 9989.29 m = 32772.86 ft Wind level data Storm motion: 133 at 14 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 1012 7 300 1 0.9 -0.5 | 312 15 10.9 -9.7 1 1000 110 295 9 8.2 -3.8 | 306 22 18.2 -13.0 2 925 791 100 7 -6.9 1.2 | 339 9 3.1 -8.0 3 850 1521 110 9 -8.5 3.1 | 346 6 1.6 -6.1 4 700 3162 125 25 -20.5 14.3 | 116 12 -10.5 5.1 5 500 5880 65 23 -20.8 -9.7 | 30 22 -10.8 -18.9 6 400 7610 60 19 -16.5 -9.5 | 19 20 -6.4 -18.7 7 300 9730 55 19 -15.6 -10.9 | 15 21 -5.5 -20.1 8 250 11010 60 17 -14.7 -8.5 | 15 18 -4.7 -17.7 9 200 12490 40 19 -12.2 -14.6 | 5 24 -2.2 -23.8 10 150 14290 10 23 -4.0 -22.7 | 349 32 6.0 -31.9 11 100 16660 65 21 -19.0 -8.9 | 26 20 -9.0 -18.1 Wind Parameters Mean winds (0-6000m): 102.6 at 18.2 knts Storm direction: 132.6 at 13.6 knts Shear (0-3000m) pos: 4.2 neg: 0.0 tot: 4.2 10-3/s Storm rel Dir Shear (0-3000m): 159.8 deg Storm rel helicity (0-3000m) pos: 93.3 neg: -11.4 tot: 81.9 m^2/s^2 ave: 27.3 10^-3 m/s^2 rel: 0.49 Storm rel vorticity (0-3000m) horiz: 8.3 stream: 4.1 10^-3/s Energy-Hel index: 0.08 Bulk Rich Number: 2.04 Bulk Shear: 76.14 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 ------------------------------------------------------------------------------- 500 331 8 319 21| 8.1 0.0 8.1| 67.5 -8.9 58.6 117.2 0.47| 22.4 10.6 1000 38 8 340 16| 4.4 0.0 4.4| 73.6 -11.4 62.2 62.2 0.35| 16.1 5.7 1500 95 8 345 9| 3.4 0.0 3.4| 74.8 -11.4 63.4 42.3 0.35| 11.3 4.0 2000 105 9 347 7| 3.8 0.0 3.8| 80.5 -11.4 69.1 34.5 0.42| 9.8 4.1 2500 111 10 355 6| 4.0 0.0 4.0| 86.4 -11.4 75.0 30.0 0.48| 8.8 4.2 3000 116 12 11 4| 4.2 0.0 4.2| 93.3 -11.4 81.9 27.3 0.49| 8.3 4.1 4000 117 15 55 4| 3.1 0.9 4.1| 94.9 -36.0 58.9 14.7 0.29| 7.4 2.2 5000 111 17 61 7| 2.5 1.6 4.2| 94.9 -70.0 24.9 5.0 0.13| 6.9 0.9 6000 103 18 56 9| 2.1 1.9 4.0| 94.9-107.1 -12.2 -2.0 0.02| 6.4 0.1 Wrote GIF file: /home/apache/climate/data/raob//VVDN/skewt/VVDN.skewt.20251018.00.gif