UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120112.upa.cvt Date: 1200Z 1 DEC 25 Searching for VVDN... Searching the city database file for: VVDN ... Date:1200Z 1 DEC 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 24.0 21.7 87 2.3 22.4 10 1 296.2 299.2 295.1 343.4 16.38 1 1000 105 24.0 20.7 82 3.3 21.7 340 5 297.1 300.0 294.8 342.1 15.55 2 925 785 20.0 19.4 96 0.6 19.6 345 13 299.8 302.6 295.6 345.1 15.51 3 850 1514 16.8 16.6 99 0.2 16.7 35 11 303.7 306.4 295.7 345.7 14.12 4 817 1852 15.2 15.2 100 0.0 15.2 32 9 305.5 308.0 295.7 345.7 13.42 5 735 2743 10.4 7.9 84 2.5 8.9 24 5 309.7 311.4 293.7 337.6 9.14 6 729 2811 10.6 3.6 62 7.0 6.6 23 5 310.6 311.9 292.2 331.7 6.81 7 727 2834 11.8 -8.2 24 20.0 2.7 23 5 312.2 312.7 289.1 321.3 2.83 8 724 2869 13.2 -22.8 6 36.0 0.7 23 4 314.1 314.2 287.8 317.0 0.84 9 715 2975 13.4 -8.6 21 22.0 3.2 22 4 315.4 315.9 290.1 324.5 2.79 10 700 3153 11.8 -8.2 24 20.0 2.5 20 3 315.6 316.1 290.3 325.1 2.94 11 602 4396 5.2 -35.8 3 41.0 -5.4 16 5 321.8 321.9 289.6 322.9 0.30 12 587 4601 5.8 -39.2 2 45.0 -5.4 15 5 324.9 324.9 290.5 325.7 0.22 13 500 5890 -2.9 -40.9 3 38.0 -11.1 10 7 329.5 329.5 291.8 330.3 0.21 14 444 6824 -9.3 -50.3 2 41.0 -15.8 47 13 332.8 332.8 292.6 333.2 0.09 15 413 7384 -10.9 -54.9 1 44.0 -17.2 70 17 337.7 337.7 293.8 337.9 0.05 16 400 7630 -13.1 -48.1 4 35.0 -18.6 80 19 338.0 338.0 293.9 338.5 0.12 17 300 9750 -30.1 -54.1 8 24.0 -32.1 85 15 343.0 343.0 295.1 343.3 0.08 18 291 9965 -32.3 -53.3 11 21.0 -34.0 87 15 342.8 342.8 295.1 343.2 0.09 19 273 10413 -34.1 -60.1 5 26.0 -35.7 90 16 346.5 346.5 295.9 346.7 0.04 20 250 11020 -40.1 -61.1 9 21.0 -41.1 95 17 346.4 346.5 295.9 346.6 0.04 21 220 11877 -47.9 -64.9 12 17.0 -48.4 75 12 347.3 347.3 296.1 347.4 0.03 22 200 12500 -51.9 -71.9 7 20.0 -52.2 60 9 350.6 350.6 296.8 350.6 0.01 23 199 12532 -52.1 -72.1 7 20.0 -52.5 61 9 350.8 350.8 296.8 350.8 0.01 24 183 13069 -56.9 -69.9 18 13.0 -57.1 69 8 351.5 351.5 297.0 351.5 0.02 25 180 13174 -57.5 -74.5 10 17.0 -57.7 71 8 352.2 352.2 297.1 352.2 0.01 26 161 13868 -63.7 -70.7 38 7.0 -63.8 83 7 353.1 353.1 297.3 353.2 0.02 27 150 14300 -66.3 -77.3 20 11.0 -66.4 90 7 355.9 355.9 297.9 355.9 0.01 28 141 14673 -68.1 -84.1 8 16.0 -68.2 80 7 359.1 359.1 298.5 359.1 0.00 29 112 16014 -80.1 -86.1 36 6.0 -80.1 43 6 361.1 361.1 298.9 361.1 0.00 30 100 16650 -82.9 -90.9 24 8.0 -82.9 25 5 367.6 367.6 300.1 367.6 0.00 TRP WND Sounding variables and indices 1000-500 mb thick: 5785.00 m Freezing level: 529.00 mb = 5460.41 m = 17914.52 ft Wetbulb zero: 669.04 mb = 3525.72 m = 11567.18 ft Precipitable water: 1.64 inches Sfc-500 mean rel hum: 48.01 % Est. max temperature: 30.94 C = 87.69 F Sfc-Lift cond lev (LCL): 977.98 mb = 299.22 m = 981.67 ft T: 22.86 C 700-500 lapse rate: 5.37 C/km ThetaE index: 28.75 C Layer 817.0- 715.0 mb Conv cond level (CCL): 902.73 mb = 995.06 m = 3264.60 ft Mean mixing ratio: 15.55 g/kg Conv temperature: 28.70 C = 83.65 F Cap Strength: 4.08 C Lifted Index: 2.35 C Risk: None Lifted Index @300 mb: 1.76 C Lifted Index @700 mb: 2.99 C Showalter Index: 1.65 C Risk: Showers probable Total Totals Index: 39.20 C Risk: None Vertical Totals Index: 19.70 C Cross Totals Index: 19.50 C K Index: 16.30 Risk: < 20 % chance of thunderstorms Sweat Index: 228.20 Risk: None Energy Index: -2.86 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 12.63 J/kg Max Up Vert Vel: 5.03 m/s Conv Inhibition (B-): 28.89 J/kg Cap Strength: 4.05 C Lift Cond Lev (LCL): 934.81 mb = 692.96 m = 2273.47 ft Lev Free Conv (LFC): 769.81 mb = 2352.80 m = 7719.07 ft Equ Level (EL): 729.81 mb = 2801.92 m = 9192.52 ft B at Equ Level: 7.92 J/kg Max Parcel Lev (MPL): 719.81 mb = 2917.96 m = 9573.26 ft Wind level data Storm motion: 43 at 5 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 10 1 -0.2 -1.0 | 230 4 3.3 2.8 1 1000 105 340 5 1.7 -4.7 | 280 5 5.2 -1.0 2 925 785 345 13 3.4 -12.6 | 322 11 6.8 -8.8 3 850 1514 35 11 -6.3 -9.0 | 28 6 -2.8 -5.3 4 700 3153 20 3 -1.0 -2.8 | 249 3 2.5 0.9 5 500 5890 10 7 -1.2 -6.9 | 324 4 2.3 -3.1 6 400 7630 80 19 -18.7 -3.3 | 92 15 -15.2 0.4 7 300 9750 85 15 -14.9 -1.3 | 102 12 -11.5 2.4 8 250 11020 95 17 -16.9 1.5 | 111 14 -13.5 5.2 9 200 12500 60 9 -7.8 -4.5 | 80 4 -4.3 -0.8 10 150 14300 90 7 -7.0 0.0 | 137 5 -3.5 3.7 11 100 16650 25 5 -2.1 -4.5 | 300 2 1.4 -0.8 Wind Parameters Mean winds (0-6000m): 12.9 at 6.8 knts Storm direction: 42.9 at 5.1 knts Shear (0-3000m) pos: 1.6 neg: 1.4 tot: 3.0 10-3/s Storm rel Dir Shear (0-3000m): 32.2 deg Storm rel helicity (0-3000m) pos: 35.6 neg: -3.8 tot: 31.9 m^2/s^2 ave: 10.6 10^-3 m/s^2 rel: 0.45 Storm rel vorticity (0-3000m) horiz: 5.2 stream: 2.3 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 7.62 Bulk Shear: 1.66 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 ------------------------------------------------------------------------------- 500 342 7 294 6| 0.0 9.1 9.1| 10.7 0.0 10.7 21.5 0.85| 9.3 7.9 1000 346 9 313 8| 2.2 4.6 6.7| 23.2 0.0 23.2 23.2 0.80| 8.0 6.4 1500 357 10 328 7| 3.1 3.0 6.2| 35.6 0.0 35.6 23.8 0.83| 7.8 6.4 2000 6 10 338 7| 2.3 2.1 4.5| 35.6 -1.4 34.2 17.1 0.70| 6.5 4.5 2500 10 9 342 6| 1.9 1.7 3.5| 35.6 -2.6 33.0 13.2 0.57| 5.7 3.3 3000 12 9 341 5| 1.6 1.4 3.0| 35.6 -3.8 31.9 10.6 0.45| 5.2 2.3 4000 13 7 334 4| 1.2 1.1 2.3| 36.4 -4.0 32.3 8.1 0.44| 4.1 1.8 5000 14 7 328 4| 0.9 1.0 1.9| 37.2 -4.0 33.2 6.6 0.47| 3.4 1.6 6000 13 7 326 3| 0.8 0.8 1.7| 39.0 -4.0 34.9 5.8 0.49| 3.1 1.5 Wrote GIF file: /home/apache/climate/data/raob//VVDN/skewt/VVDN.skewt.20251201.12.gif