UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025102900.upa.cvt Date: 0000Z 29 OCT 25 Searching for VVDN... Searching the city database file for: VVDN ... Date:0000Z 29 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 1010 7 25.6 24.1 91 1.5 24.5 35 7 297.9 301.4 297.3 353.2 19.04 1 1000 98 26.0 23.2 85 2.8 24.0 45 19 299.1 302.5 297.1 352.3 18.19 2 999 107 26.2 23.1 83 3.1 23.9 45 19 299.4 302.7 297.1 352.3 18.09 3 926 773 20.8 20.7 99 0.1 20.8 50 33 300.5 303.6 296.6 349.9 16.83 4 925 782 21.0 20.4 96 0.6 20.6 50 33 300.8 303.8 296.5 349.3 16.53 5 850 1514 17.8 17.6 99 0.2 17.7 55 36 304.8 307.6 296.5 349.8 15.07 6 785 2194 15.2 14.3 94 0.9 14.6 59 32 309.0 311.5 296.4 349.0 13.17 7 748 2603 12.6 12.6 100 0.0 12.6 62 30 310.5 312.8 296.3 348.2 12.36 8 700 3160 10.0 10.0 100 0.0 10.0 65 27 313.6 315.7 296.1 347.9 11.09 9 569 4857 0.8 0.4 97 0.4 0.5 68 25 321.9 323.3 295.3 344.3 6.94 10 500 5890 -3.3 -3.8 96 0.5 -3.6 70 23 329.0 330.2 296.3 348.3 5.79 11 485 6131 -4.3 -5.1 94 0.8 -4.7 70 22 330.7 331.8 296.4 348.8 5.41 12 424 7182 -10.3 -10.9 95 0.6 -10.6 70 17 336.0 336.8 296.5 349.6 3.93 13 400 7630 -13.1 -14.6 88 1.5 -13.7 70 15 338.0 338.6 296.4 348.8 3.08 14 356 8508 -18.3 -20.5 83 2.2 -19.0 84 17 342.4 342.9 296.7 350.1 2.10 15 300 9760 -27.7 -30.7 75 3.0 -28.3 105 19 346.3 346.6 296.7 350.1 0.99 16 260 10777 -35.7 -38.9 72 3.2 -36.1 105 17 349.1 349.2 296.8 351.1 0.51 17 250 11050 -38.1 -41.2 73 3.1 -38.4 105 17 349.4 349.5 296.8 351.1 0.42 18 223 11824 -44.7 -47.8 71 3.1 -44.9 113 25 350.9 350.9 297.0 351.8 0.23 19 200 12540 -51.1 -54.8 65 3.7 -51.2 120 33 351.8 351.9 297.1 352.3 0.11 20 199 12573 -51.5 -55.2 64 3.7 -51.7 120 33 351.7 351.7 297.1 352.2 0.11 21 150 14350 -66.1 -71.1 49 5.0 -66.1 135 42 356.2 356.2 298.0 356.3 0.02 22 145 14555 -67.5 -72.5 49 5.0 -67.5 132 41 357.3 357.3 298.2 357.3 0.01 23 119 15715 -78.3 -81.1 64 2.8 -78.3 112 35 358.2 358.2 298.4 358.2 0.00 24 113 16008 -80.5 -84.5 51 4.0 -80.5 107 33 359.4 359.4 298.6 359.4 0.00 25 100 16690 -85.1 -89.4 46 4.3 -85.1 95 29 363.3 363.3 299.4 363.3 0.00 TRP WND Sounding variables and indices 1000-500 mb thick: 5792.00 m Freezing level: 555.54 mb = 5058.59 m = 16596.21 ft Wetbulb zero: 559.80 mb = 4987.34 m = 16362.48 ft Precipitable water: 2.74 inches Sfc-500 mean rel hum: 96.96 % Est. max temperature: 31.95 C = 89.52 F Sfc-Lift cond lev (LCL): 988.65 mb = 198.20 m = 650.26 ft T: 25.46 C 700-500 lapse rate: 4.87 C/km ThetaE index: 5.45 C Layer 785.0- 500.0 mb Conv cond level (CCL): 933.70 mb = 699.96 m = 2296.43 ft Mean mixing ratio: 17.40 g/kg Conv temperature: 28.08 C = 82.55 F Cap Strength: 0.28 C Lifted Index: -0.74 C Risk: Thunderstorms probable Lifted Index @300 mb: 0.11 C Lifted Index @700 mb: -0.86 C Showalter Index: -0.27 C Risk: Thunderstorms probable Total Totals Index: 42.00 C Risk: None Vertical Totals Index: 21.10 C Cross Totals Index: 20.90 C K Index: 38.70 Risk: > 80 % chance of thunderstorms Sweat Index: 306.20 Risk: Showers and thunderstorms possible Energy Index: -0.42 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 203.09 J/kg Max Up Vert Vel: 20.15 m/s Conv Inhibition (B-): 0.31 J/kg Cap Strength: 0.28 C Lift Cond Lev (LCL): 939.04 mb = 649.93 m = 2132.29 ft Lev Free Conv (LFC): 924.04 mb = 791.00 m = 2595.12 ft Equ Level (EL): 794.04 mb = 2096.45 m = 6878.05 ft B at Equ Level: 11.08 J/kg Max Parcel Lev (MPL): 154.04 mb = 14182.95 m = 46531.41 ft Wind level data Storm motion: 91 at 21 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 1010 7 35 7 -4.0 -5.7 | 290 18 16.8 -6.0 1 1000 98 45 19 -13.4 -13.4 | 332 16 7.4 -13.7 2 925 782 50 33 -25.3 -21.2 | 12 22 -4.4 -21.4 3 850 1514 55 36 -29.5 -20.6 | 23 23 -8.7 -20.9 4 700 3160 65 27 -24.5 -11.4 | 17 12 -3.6 -11.6 5 500 5890 70 23 -21.6 -7.9 | 5 8 -0.8 -8.1 6 400 7630 70 15 -14.1 -5.1 | 308 9 6.7 -5.4 7 300 9760 105 19 -18.4 4.9 | 208 5 2.5 4.7 8 250 11050 105 17 -16.4 4.4 | 227 6 4.4 4.2 9 200 12540 120 33 -28.6 16.5 | 155 18 -7.7 16.3 10 150 14350 135 42 -29.7 29.7 | 163 31 -8.9 29.5 11 100 16690 95 29 -28.9 2.5 | 106 8 -8.1 2.3 Wind Parameters Mean winds (0-6000m): 60.6 at 27.8 knts Storm direction: 90.6 at 20.8 knts Shear (0-3000m) pos: 3.8 neg: 0.0 tot: 3.8 10-3/s Storm rel Dir Shear (0-3000m): 89.2 deg Storm rel helicity (0-3000m) pos: 133.5 neg: -4.3 tot: 129.2 m^2/s^2 ave: 43.1 10^-3 m/s^2 rel: 0.69 Storm rel vorticity (0-3000m) horiz: 6.9 stream: 4.8 10^-3/s Energy-Hel index: 0.17 Bulk Rich Number: 19.65 Bulk Shear: 10.33 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 46 21 340 16| 21.2 0.0 21.2| 83.9 0.0 83.9 167.9 0.96| 21.5 20.7 1000 49 27 357 18| 14.0 0.0 14.0|116.0 0.0 116.0 116.0 0.93| 14.4 13.4 1500 51 29 6 19| 10.1 0.0 10.1|133.0 0.0 133.0 88.7 0.94| 10.6 9.9 2000 52 31 10 19| 6.9 0.0 6.9|133.5 -0.2 133.3 66.6 0.85| 8.8 7.5 2500 54 31 12 19| 5.0 0.0 5.0|133.5 -1.6 131.8 52.7 0.77| 7.7 5.9 3000 55 31 13 18| 3.8 0.0 3.8|133.5 -4.3 129.2 43.1 0.69| 6.9 4.8 4000 57 30 14 17| 2.6 0.0 2.6|133.5 -6.8 126.7 31.7 0.63| 5.5 3.5 5000 59 29 14 15| 1.9 0.0 1.9|133.5 -8.7 124.8 25.0 0.59| 4.6 2.7 6000 61 28 14 14| 1.5 0.0 1.5|133.5 -11.6 121.9 20.3 0.54| 4.0 2.2 Wrote GIF file: /home/apache/climate/data/raob//VVDN/skewt/VVDN.skewt.20251029.00.gif