UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025102012.upa.cvt Date: 1200Z 20 OCT 25 Searching for VVDN... Searching the city database file for: VVDN ... Date:1200Z 20 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 1007 7 28.0 24.5 81 3.5 25.4 5 3 300.5 304.1 298.3 358.1 19.57 1 1000 72 27.6 23.6 79 4.0 24.7 360 15 300.8 304.2 297.8 355.6 18.65 2 929 722 22.6 20.5 88 2.1 21.1 322 19 302.0 305.1 296.8 351.0 16.56 3 925 760 22.8 19.8 83 3.0 20.7 320 19 302.6 305.6 296.5 349.7 15.91 4 896 1038 22.2 16.2 69 6.0 18.1 344 22 304.8 307.2 295.2 343.7 13.04 5 850 1494 19.0 15.3 79 3.7 16.5 25 27 306.0 308.5 295.5 345.0 12.97 6 756 2492 12.2 10.7 91 1.5 11.2 28 26 309.1 311.1 294.8 341.8 10.76 7 743 2638 11.6 9.2 85 2.4 10.1 28 26 310.0 311.9 294.4 340.2 9.88 8 739 2683 11.4 7.4 76 4.0 9.0 29 26 310.3 311.9 293.6 337.2 8.78 9 730 2786 11.8 0.8 47 11.0 5.8 29 25 311.8 312.8 291.5 329.2 5.56 10 700 3137 9.6 1.6 57 8.0 5.2 30 25 313.1 314.3 292.3 332.4 6.15 11 697 3173 9.4 4.4 71 5.0 6.5 30 25 313.3 314.7 293.5 336.8 7.55 12 688 3281 9.4 -1.6 46 11.0 3.6 32 24 314.4 315.4 291.7 330.1 4.95 13 674 3452 8.6 2.6 66 6.0 5.2 34 23 315.4 316.7 293.6 337.0 6.86 14 653 3714 8.2 -0.8 53 9.0 3.3 37 22 317.8 318.9 293.2 335.5 5.53 15 612 4247 4.2 2.3 87 1.9 3.1 44 19 319.2 320.6 295.0 342.8 7.41 16 611 4260 4.2 2.2 87 2.0 3.1 44 19 319.3 320.7 295.0 342.8 7.37 17 602 4382 4.6 -3.4 56 8.0 0.5 46 18 321.1 322.1 293.6 337.2 4.95 18 584 4629 4.2 -7.8 41 12.0 -1.5 49 16 323.5 324.2 293.2 335.6 3.64 19 579 4700 3.8 -4.2 56 8.0 -0.3 50 16 323.8 324.8 294.3 339.7 4.84 20 577 4728 4.0 -8.0 41 12.0 -1.7 50 16 324.4 325.1 293.4 336.4 3.63 21 573 4784 3.6 -2.4 65 6.0 0.4 51 15 324.5 325.6 295.0 342.9 5.61 22 566 4884 3.2 -4.8 56 8.0 -0.9 52 15 325.2 326.1 294.5 340.9 4.73 23 549 5132 1.6 -10.4 40 12.0 -3.8 55 13 326.2 326.8 293.5 336.8 3.16 24 538 5295 0.4 -5.6 64 6.0 -2.6 57 12 326.6 327.5 294.8 342.2 4.69 25 513 5676 -1.9 -6.5 71 4.6 -4.1 62 10 328.3 329.2 295.2 343.7 4.59 26 500 5880 -3.7 -8.7 68 5.0 -6.0 65 9 328.5 329.3 294.8 341.9 3.97 27 488 6071 -5.1 -7.0 86 1.9 -6.0 66 8 329.1 330.0 295.4 344.7 4.64 28 455 6617 -8.3 -11.4 78 3.1 -9.6 67 6 331.7 332.5 295.2 343.8 3.52 29 445 6790 -8.3 -21.3 34 13.0 -12.6 68 6 333.9 334.2 294.2 339.5 1.57 30 434 6983 -9.1 -16.1 57 7.0 -11.8 68 5 335.2 335.8 295.3 344.1 2.51 31 425 7145 -9.3 -18.3 48 9.0 -12.6 69 5 337.0 337.4 295.4 344.6 2.13 32 400 7610 -13.3 -20.3 56 7.0 -15.6 70 3 337.7 338.1 295.4 344.5 1.90 33 392 7763 -14.1 -22.1 51 8.0 -16.6 66 3 338.6 339.0 295.4 344.6 1.66 34 381 7978 -15.7 -19.6 72 3.9 -17.0 61 3 339.3 339.7 296.0 346.9 2.12 35 335 8937 -21.1 -29.1 49 8.0 -23.0 36 3 344.6 344.8 296.3 348.5 1.03 36 313 9434 -24.9 -36.9 32 12.0 -27.0 23 3 346.1 346.2 296.2 348.1 0.52 37 300 9740 -27.9 -37.9 38 10.0 -29.5 15 3 346.1 346.2 296.2 348.0 0.49 38 280 10230 -32.3 -35.1 76 2.8 -32.7 49 7 346.6 346.8 296.5 349.3 0.69 39 250 11020 -37.7 -43.7 53 6.0 -38.3 105 13 350.0 350.1 296.9 351.3 0.32 40 242 11244 -39.9 -45.9 53 6.0 -40.4 109 13 350.0 350.0 296.8 351.0 0.26 41 236 11415 -41.1 -52.1 30 11.0 -41.8 113 12 350.7 350.7 296.9 351.2 0.13 42 200 12520 -50.7 -55.1 59 4.4 -50.9 135 11 352.5 352.5 297.3 352.9 0.11 43 196 12651 -52.1 -55.2 69 3.1 -52.2 137 11 352.3 352.3 297.2 352.8 0.11 44 188 12921 -53.7 -61.7 37 8.0 -53.9 141 10 353.9 353.9 297.5 354.2 0.05 45 171 13522 -59.5 -63.6 59 4.1 -59.6 151 9 354.1 354.1 297.5 354.2 0.04 46 163 13821 -62.1 -65.3 65 3.2 -62.1 156 8 354.6 354.6 297.7 354.7 0.04 47 158 14013 -63.5 -68.5 51 5.0 -63.6 160 8 355.4 355.4 297.8 355.5 0.02 48 150 14330 -66.5 -70.5 57 4.0 -66.5 165 7 355.5 355.5 297.8 355.6 0.02 49 143 14617 -69.3 -72.7 61 3.4 -69.3 160 9 355.5 355.5 297.8 355.6 0.01 50 140 14743 -70.3 -75.3 48 5.0 -70.4 158 9 355.9 355.9 297.9 356.0 0.01 51 136 14914 -71.1 -79.1 30 8.0 -71.1 155 10 357.5 357.5 298.2 357.5 0.01 52 126 15361 -74.5 -84.5 20 10.0 -74.5 148 13 359.2 359.2 298.5 359.2 0.00 53 100 16670 -84.5 -89.5 41 5.0 -84.5 125 21 364.5 364.5 299.5 364.5 0.00 TRP WND Sounding variables and indices 1000-500 mb thick: 5808.00 m Freezing level: 533.65 mb = 5361.06 m = 17588.58 ft Wetbulb zero: 597.59 mb = 4441.64 m = 14572.13 ft Precipitable water: 2.18 inches Sfc-500 mean rel hum: 69.62 % Est. max temperature: 33.31 C = 91.97 F Sfc-Lift cond lev (LCL): 957.65 mb = 454.06 m = 1489.68 ft T: 24.66 C 700-500 lapse rate: 4.85 C/km ThetaE index: 15.81 C Layer 756.0- 700.0 mb Conv cond level (CCL): 862.40 mb = 1368.61 m = 4490.15 ft Mean mixing ratio: 17.16 g/kg Conv temperature: 33.16 C = 91.69 F Cap Strength: 2.02 C Lifted Index: -1.61 C Risk: Thunderstorms probable Lifted Index @300 mb: -0.79 C Lifted Index @700 mb: -1.64 C Showalter Index: 1.11 C Risk: Showers probable Total Totals Index: 41.70 C Risk: None Vertical Totals Index: 22.70 C Cross Totals Index: 19.00 C K Index: 30.00 Risk: 40-60 % chance of thunderstorms Sweat Index: 246.60 Risk: None Energy Index: -0.62 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 316.91 J/kg Max Up Vert Vel: 25.18 m/s Conv Inhibition (B-): 39.40 J/kg Cap Strength: 1.93 C Lift Cond Lev (LCL): 912.93 mb = 874.48 m = 2869.00 ft Lev Free Conv (LFC): 817.93 mb = 1821.51 m = 5976.01 ft Equ Level (EL): 577.93 mb = 4714.60 m = 15467.66 ft B at Equ Level: 121.55 J/kg Max Parcel Lev (MPL): 117.93 mb = 15736.21 m = 51627.34 ft Wind level data Storm motion: 55 at 15 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 1007 7 5 3 -0.3 -3.0 | 245 13 11.9 5.6 1 1000 72 360 15 -0.0 -15.0 | 298 14 12.2 -6.4 2 925 760 320 19 12.2 -14.6 | 284 25 24.4 -6.0 3 850 1494 25 27 -11.4 -24.5 | 357 16 0.8 -15.9 4 700 3137 30 25 -12.5 -21.7 | 1 13 -0.3 -13.1 5 500 5880 65 9 -8.2 -3.8 | 220 6 4.0 4.8 6 400 7610 70 3 -2.8 -1.0 | 231 12 9.4 7.6 7 300 9740 15 3 -0.8 -2.9 | 243 13 11.4 5.7 8 250 11020 105 13 -12.6 3.4 | 178 12 -0.4 12.0 9 200 12520 135 11 -7.8 7.8 | 195 17 4.4 16.4 10 150 14330 165 7 -1.8 6.8 | 214 19 10.4 15.4 11 100 16670 125 21 -17.2 12.0 | 166 21 -5.0 20.6 Wind Parameters Mean winds (0-6000m): 24.8 at 19.9 knts Storm direction: 54.8 at 14.9 knts Shear (0-3000m) pos: 3.6 neg: 2.6 tot: 6.1 10-3/s Storm rel Dir Shear (0-3000m): 116.1 deg Storm rel helicity (0-3000m) pos: 177.2 neg: -22.8 tot: 154.3 m^2/s^2 ave: 51.4 10^-3 m/s^2 rel: 0.65 Storm rel vorticity (0-3000m) horiz: 9.1 stream: 5.9 10^-3/s Energy-Hel index: 0.35 Bulk Rich Number: 16.36 Bulk Shear: 19.37 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 ------------------------------------------------------------------------------- 500 347 15 292 17| 0.0 15.4 15.4| 39.8 -10.8 28.9 57.9 0.53| 20.3 10.7 1000 337 17 291 20| 2.5 7.7 10.2| 84.3 -22.8 61.5 61.5 0.50| 16.0 8.0 1500 350 20 305 19| 7.1 5.1 12.3|173.4 -22.8 150.6 100.4 0.66| 17.3 11.5 2000 2 21 318 17| 5.3 3.9 9.2|174.8 -22.8 152.0 76.0 0.66| 13.2 8.7 2500 9 22 327 16| 4.3 3.1 7.4|176.1 -22.8 153.2 61.3 0.65| 10.7 7.0 3000 13 23 333 15| 3.6 2.6 6.1|177.2 -22.8 154.3 51.4 0.65| 9.1 5.9 4000 18 23 339 14| 2.6 1.9 4.6|180.6 -22.8 157.8 39.4 0.59| 7.7 4.6 5000 23 22 341 12| 2.1 1.5 3.6|180.7 -23.5 157.2 31.4 0.50| 6.9 3.5 6000 25 20 338 10| 1.7 1.3 3.0|181.1 -23.9 157.2 26.2 0.45| 6.3 2.8 Wrote GIF file: /home/apache/climate/data/raob//VVDN/skewt/VVDN.skewt.20251020.12.gif