UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101312.upa.cvt Date: 1200Z 13 OCT 25 Searching for VVDN... Searching the city database file for: VVDN ... Date:1200Z 13 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 1009 7 27.8 23.8 79 4.0 24.9 60 5 300.2 303.6 297.7 355.1 18.70 1 1000 87 27.4 23.6 80 3.8 24.6 65 7 300.5 304.0 297.8 355.4 18.65 2 925 774 22.0 20.3 90 1.7 20.8 75 7 301.8 304.8 296.7 350.3 16.42 3 874 1266 19.0 17.6 92 1.4 18.1 95 6 303.6 306.3 296.0 347.1 14.64 4 850 1506 17.8 16.3 91 1.5 16.8 105 5 304.8 307.4 295.8 346.1 13.85 5 819 1825 17.4 13.0 75 4.4 14.5 108 6 307.6 309.8 295.0 342.6 11.57 6 720 2917 11.2 10.0 92 1.2 10.4 118 10 312.4 314.4 295.7 345.6 10.78 7 700 3153 10.2 7.6 84 2.6 8.6 120 11 313.8 315.6 295.0 343.0 9.40 8 649 3778 6.6 4.5 86 2.1 5.4 120 12 316.6 318.1 294.8 342.3 8.17 9 500 5880 -3.7 -7.3 76 3.6 -5.4 120 15 328.5 329.4 295.1 343.4 4.43 10 484 6137 -4.9 -9.5 70 4.6 -7.0 119 14 330.1 330.9 295.1 343.2 3.85 11 473 6317 -6.1 -10.7 70 4.6 -8.1 118 14 330.8 331.5 295.0 343.0 3.58 12 421 7220 -12.1 -14.3 84 2.2 -13.0 112 12 334.3 334.9 295.4 344.8 3.00 13 400 7610 -14.1 -19.1 66 5.0 -15.8 110 11 336.7 337.1 295.3 344.2 2.11 14 372 8159 -17.9 -22.9 65 5.0 -19.4 105 11 338.7 339.0 295.4 344.6 1.63 15 367 8260 -18.1 -32.1 28 14.0 -21.2 104 11 339.7 339.9 294.9 342.4 0.71 16 364 8322 -18.7 -28.7 41 10.0 -21.1 103 11 339.7 339.9 295.1 343.4 0.98 17 362 8363 -18.9 -34.9 23 16.0 -22.1 103 11 340.0 340.1 294.8 342.1 0.54 18 355 8509 -19.7 -37.7 19 18.0 -23.0 102 11 340.8 340.9 294.9 342.5 0.42 19 350 8614 -20.3 -28.3 49 8.0 -22.2 101 11 341.4 341.6 295.6 345.4 1.06 20 344 8742 -21.1 -39.1 18 18.0 -24.2 100 11 342.0 342.1 295.1 343.5 0.38 21 300 9740 -29.1 -41.1 30 12.0 -30.7 90 11 344.4 344.4 295.7 345.8 0.35 22 294 9883 -30.1 -38.1 46 8.0 -31.3 87 12 344.9 345.0 295.9 346.9 0.49 23 287 10054 -31.1 -46.1 21 15.0 -32.7 84 13 345.9 345.9 295.9 346.8 0.21 24 253 10929 -38.9 -48.9 34 10.0 -39.7 67 18 347.0 347.1 296.1 347.8 0.18 25 250 11010 -39.5 -51.5 27 12.0 -40.4 65 19 347.3 347.4 296.1 347.9 0.13 26 236 11403 -42.7 -57.7 18 15.0 -43.5 57 21 348.3 348.3 296.3 348.6 0.07 27 233 11489 -43.5 -56.5 22 13.0 -44.2 56 22 348.3 348.4 296.3 348.7 0.08 28 230 11577 -44.1 -48.3 63 4.2 -44.4 54 22 348.7 348.8 296.5 349.6 0.21 29 227 11665 -44.9 -49.0 63 4.1 -45.2 52 22 348.8 348.9 296.5 349.6 0.20 30 223 11784 -46.3 -49.3 71 3.0 -46.5 50 23 348.4 348.5 296.5 349.2 0.19 31 220 11874 -46.9 -61.9 16 15.0 -47.4 48 24 348.9 348.9 296.4 349.0 0.04 32 212 12119 -48.9 -52.9 63 4.0 -49.1 43 25 349.5 349.5 296.6 350.0 0.13 33 200 12500 -52.3 -56.4 61 4.1 -52.4 35 27 349.9 350.0 296.7 350.3 0.09 34 178 13241 -59.5 -63.5 60 4.0 -59.6 41 25 350.0 350.0 296.7 350.2 0.04 35 151 14250 -67.3 -72.3 49 5.0 -67.4 50 23 353.5 353.5 297.4 353.5 0.01 36 150 14290 -67.7 -73.7 42 6.0 -67.7 50 23 353.5 353.5 297.4 353.5 0.01 37 134 14962 -71.1 -79.1 30 8.0 -71.1 63 22 359.0 359.0 298.5 359.0 0.01 38 100 16650 -81.1 -85.2 50 4.1 -81.1 95 19 371.0 371.0 300.8 371.0 0.00 TRP WND Sounding variables and indices 1000-500 mb thick: 5793.00 m Freezing level: 553.52 mb = 5124.98 m = 16814.04 ft Wetbulb zero: 575.04 mb = 4753.25 m = 15594.45 ft Precipitable water: 2.42 inches Sfc-500 mean rel hum: 84.07 % Est. max temperature: 31.98 C = 89.57 F Sfc-Lift cond lev (LCL): 952.43 mb = 516.45 m = 1694.36 ft T: 24.02 C 700-500 lapse rate: 5.10 C/km ThetaE index: 12.77 C Layer 925.0- 720.0 mb Conv cond level (CCL): 905.88 mb = 955.31 m = 3134.18 ft Mean mixing ratio: 17.40 g/kg Conv temperature: 30.11 C = 86.19 F Cap Strength: 0.62 C Lifted Index: -1.67 C Risk: Thunderstorms probable Lifted Index @300 mb: -2.11 C Lifted Index @700 mb: -1.07 C Showalter Index: 0.67 C Risk: Thunderstorms probable Total Totals Index: 41.50 C Risk: None Vertical Totals Index: 21.50 C Cross Totals Index: 20.00 C K Index: 35.20 Risk: > 80 % chance of thunderstorms Sweat Index: 220.60 Risk: None Energy Index: -0.61 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 749.05 J/kg Max Up Vert Vel: 38.71 m/s Conv Inhibition (B-): 3.65 J/kg Cap Strength: 0.62 C Lift Cond Lev (LCL): 922.31 mb = 799.25 m = 2622.17 ft Lev Free Conv (LFC): 887.31 mb = 1134.97 m = 3723.62 ft Equ Level (EL): 827.31 mb = 1738.15 m = 5702.52 ft B at Equ Level: 9.52 J/kg Wind level data Storm motion: 143 at 8 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 1009 7 60 5 -4.3 -2.5 | 358 9 0.2 -8.6 1 1000 87 65 7 -6.3 -3.0 | 11 9 -1.8 -9.0 2 925 774 75 7 -6.8 -1.8 | 16 8 -2.2 -7.9 3 850 1506 105 5 -4.8 1.3 | 3 5 -0.3 -4.8 4 700 3153 120 11 -9.5 5.5 | 84 5 -5.0 -0.6 5 500 5880 120 15 -13.0 7.5 | 100 9 -8.4 1.4 6 400 7610 110 11 -10.3 3.8 | 68 6 -5.8 -2.3 7 300 9740 90 11 -11.0 0.0 | 47 9 -6.4 -6.1 8 250 11010 65 19 -17.2 -8.0 | 42 19 -12.7 -14.1 9 200 12500 35 27 -15.5 -22.1 | 21 30 -10.9 -28.2 10 150 14290 50 23 -17.6 -14.8 | 32 25 -13.0 -20.8 11 100 16650 95 19 -18.9 1.7 | 73 15 -14.4 -4.4 Wind Parameters Mean winds (0-6000m): 113.0 at 10.1 knts Storm direction: 143.0 at 7.6 knts Shear (0-3000m) pos: 1.5 neg: 0.0 tot: 1.5 10-3/s Storm rel Dir Shear (0-3000m): 78.9 deg Storm rel helicity (0-3000m) pos: 12.5 neg: -1.8 tot: 10.7 m^2/s^2 ave: 3.6 10^-3 m/s^2 rel: 0.55 Storm rel vorticity (0-3000m) horiz: 2.2 stream: 1.2 10^-3/s Energy-Hel index: 0.04 Bulk Rich Number: 108.05 Bulk Shear: 6.93 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 67 7 11 9| 2.4 0.0 2.4| 5.6 0.0 5.6 11.1 0.86| 2.9 2.5 1000 72 7 13 8| 1.4 0.0 1.4| 6.1 -0.2 5.9 5.9 0.56| 2.3 1.3 1500 78 6 13 8| 1.3 0.0 1.3| 6.1 -1.8 4.3 2.9 0.20| 2.4 0.5 2000 84 6 14 7| 1.3 0.0 1.3| 8.2 -1.8 6.4 3.2 0.36| 2.3 0.8 2500 91 7 19 6| 1.4 0.0 1.4| 10.3 -1.8 8.5 3.4 0.48| 2.2 1.1 3000 98 7 26 6| 1.5 0.0 1.5| 12.5 -1.8 10.7 3.6 0.55| 2.2 1.2 4000 106 8 41 5| 1.3 0.1 1.4| 14.2 -1.8 12.4 3.1 0.56| 1.9 1.1 5000 110 9 54 5| 1.0 0.2 1.3| 15.3 -1.8 13.5 2.7 0.55| 1.7 0.9 6000 113 10 66 5| 0.9 0.3 1.1| 16.3 -2.4 13.9 2.3 0.52| 1.5 0.8 Wrote GIF file: /home/apache/climate/data/raob//VVDN/skewt/VVDN.skewt.20251013.12.gif