UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025100800.upa.cvt Date: 0000Z 8 OCT 25 Searching for VVDN... Searching the city database file for: VVDN ... Date:0000Z 8 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 26.2 24.9 93 1.3 25.3 285 3 298.3 302.0 298.0 356.5 19.96 1 1000 114 25.6 23.7 89 1.9 24.2 290 5 298.8 302.2 297.4 353.5 18.76 2 962 455 23.4 23.4 100 0.0 23.4 5 7 299.9 303.4 297.9 356.0 19.16 3 925 798 21.8 20.3 91 1.5 20.8 80 9 301.6 304.6 296.6 350.0 16.42 4 850 1531 17.6 16.1 91 1.5 16.6 55 5 304.6 307.1 295.6 345.4 13.67 5 803 2015 14.4 13.6 95 0.8 13.9 59 9 306.2 308.5 295.1 343.1 12.29 6 756 2524 12.8 2.8 51 10.0 7.2 64 12 309.8 310.9 291.4 328.9 6.20 7 700 3168 9.4 -2.6 43 12.0 3.3 70 17 312.9 313.8 290.9 327.2 4.51 8 642 3881 6.2 -14.8 21 21.0 -2.1 75 17 317.1 317.5 289.8 323.4 1.89 9 637 3945 5.6 -6.4 42 12.0 -0.1 76 17 317.1 317.8 291.5 329.2 3.72 10 633 3997 6.0 -18.0 16 24.0 -2.9 76 17 318.2 318.4 289.7 323.1 1.46 11 605 4366 3.8 -21.2 14 25.0 -4.8 79 17 319.8 320.0 289.9 323.8 1.16 12 594 4515 2.4 -5.6 55 8.0 -1.5 80 17 319.8 320.6 292.7 333.6 4.24 13 579 4721 1.4 -11.6 37 13.0 -4.1 81 17 321.0 321.5 291.7 330.0 2.72 14 542 5249 -2.9 -11.9 50 9.0 -6.6 85 17 322.0 322.5 292.1 331.4 2.83 15 530 5427 -3.3 -14.3 42 11.0 -7.6 87 17 323.6 324.0 292.2 331.6 2.38 16 520 5578 -1.5 -20.5 22 19.0 -8.1 88 17 327.5 327.8 292.4 332.6 1.44 17 500 5890 -2.3 -26.3 14 24.0 -9.6 90 17 330.2 330.4 292.6 333.5 0.89 18 486 6114 -3.7 -29.7 11 26.0 -10.9 93 15 331.2 331.3 292.7 333.7 0.67 19 436 6960 -9.5 -21.5 37 12.0 -13.5 102 10 334.3 334.6 294.3 339.9 1.57 20 401 7601 -13.1 -35.1 14 22.0 -17.9 110 5 337.7 337.8 294.2 339.6 0.48 21 400 7620 -13.1 -35.1 14 22.0 -17.9 110 5 338.0 338.1 294.3 339.8 0.48 22 324 9187 -25.9 -43.9 17 18.0 -28.3 99 8 341.3 341.3 294.8 342.3 0.24 23 300 9740 -29.9 -44.9 22 15.0 -31.6 95 9 343.2 343.3 295.3 344.2 0.23 24 279 10252 -33.3 -54.3 10 21.0 -34.9 89 12 345.5 345.6 295.7 345.9 0.09 25 270 10480 -35.1 -57.1 9 22.0 -36.5 86 14 346.2 346.2 295.8 346.4 0.06 26 250 11010 -39.7 -56.7 15 17.0 -40.6 80 17 347.0 347.1 296.0 347.3 0.07 27 232 11518 -44.3 -55.3 28 11.0 -44.9 82 20 347.6 347.6 296.2 347.9 0.09 28 225 11724 -45.9 -48.9 72 3.0 -46.1 82 21 348.2 348.2 296.4 349.0 0.20 29 219 11904 -47.1 -56.1 35 9.0 -47.5 83 22 349.0 349.0 296.5 349.4 0.09 30 200 12500 -52.7 -60.7 37 8.0 -52.9 85 25 349.3 349.3 296.5 349.5 0.05 31 191 12795 -55.3 -59.8 57 4.5 -55.4 86 24 349.8 349.8 296.7 350.0 0.06 32 171 13491 -60.9 -64.1 66 3.2 -61.0 88 23 351.7 351.7 297.0 351.9 0.04 33 150 14290 -68.1 -73.1 49 5.0 -68.1 90 21 352.8 352.8 297.3 352.8 0.01 34 136 14870 -73.5 -78.2 49 4.7 -73.5 91 22 353.2 353.2 297.3 353.3 0.01 35 115 15835 -79.3 -84.3 43 5.0 -79.3 93 24 359.8 359.8 298.7 359.8 0.00 36 109 16140 -77.5 -84.5 32 7.0 -77.5 94 24 368.8 368.8 300.4 368.8 0.00 37 100 16630 -80.5 -86.5 36 6.0 -80.5 95 25 372.2 372.2 300.9 372.2 0.00 TRP WND Sounding variables and indices 1000-500 mb thick: 5776.00 m Freezing level: 566.95 mb = 4893.14 m = 16053.42 ft Wetbulb zero: 664.99 mb = 3591.14 m = 11781.82 ft Precipitable water: 1.86 inches Sfc-500 mean rel hum: 57.23 % Est. max temperature: 31.98 C = 89.56 F Sfc-Lift cond lev (LCL): 993.55 mb = 170.97 m = 560.93 ft T: 25.23 C 700-500 lapse rate: 4.30 C/km ThetaE index: 32.62 C Layer 925.0- 637.0 mb Conv cond level (CCL): 930.49 mb = 746.23 m = 2448.24 ft Mean mixing ratio: 18.19 g/kg Conv temperature: 29.22 C = 84.59 F Cap Strength: 0.41 C Lifted Index: -0.56 C Risk: Thunderstorms probable Lifted Index @300 mb: -3.38 C Lifted Index @700 mb: -2.10 C Showalter Index: 2.37 C Risk: Showers probable Total Totals Index: 38.30 C Risk: None Vertical Totals Index: 19.90 C Cross Totals Index: 18.40 C K Index: 24.00 Risk: 20-40 % chance of thunderstorms Sweat Index: 220.20 Risk: None Energy Index: -2.27 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 1090.09 J/kg Max Up Vert Vel: 46.69 m/s Conv Inhibition (B-): 3.55 J/kg Cap Strength: 0.41 C Lift Cond Lev (LCL): 947.74 mb = 585.64 m = 1921.38 ft Lev Free Conv (LFC): 902.74 mb = 1009.17 m = 3310.90 ft Equ Level (EL): 132.74 mb = 15009.57 m = 49243.38 ft B at Equ Level: 1078.46 J/kg Wind level data Storm motion: 106 at 10 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 7 285 3 2.9 -0.8 | 285 13 12.2 -3.4 1 1000 114 290 5 4.7 -1.7 | 287 15 14.0 -4.3 2 925 798 80 9 -8.9 -1.6 | 354 4 0.4 -4.2 3 850 1531 55 5 -4.1 -2.9 | 316 8 5.2 -5.5 4 700 3168 70 17 -16.0 -5.8 | 38 11 -6.7 -8.4 5 500 5890 90 17 -17.0 0.0 | 71 8 -7.7 -2.6 6 400 7620 110 5 -4.7 1.7 | 281 5 4.6 -0.9 7 300 9740 95 9 -9.0 0.8 | 349 2 0.3 -1.8 8 250 11010 80 17 -16.7 -3.0 | 53 9 -7.4 -5.6 9 200 12500 85 25 -24.9 -2.2 | 73 16 -15.6 -4.8 10 150 14290 90 21 -21.0 0.0 | 77 12 -11.7 -2.6 11 100 16630 95 25 -24.9 2.2 | 88 16 -15.6 -0.4 Wind Parameters Mean winds (0-6000m): 75.6 at 12.9 knts Storm direction: 105.6 at 9.7 knts Shear (0-3000m) pos: 3.7 neg: 0.6 tot: 4.2 10-3/s Storm rel Dir Shear (0-3000m): 107.3 deg Storm rel helicity (0-3000m) pos: 65.9 neg: -5.6 tot: 60.3 m^2/s^2 ave: 20.1 10^-3 m/s^2 rel: 0.56 Storm rel vorticity (0-3000m) horiz: 6.2 stream: 3.5 10^-3/s Energy-Hel index: 0.35 Bulk Rich Number: 35.83 Bulk Shear: 30.43 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 ------------------------------------------------------------------------------- 500 333 6 303 14| 8.2 0.0 8.2| 33.9 0.0 33.9 67.7 0.80| 11.8 9.4 1000 59 7 332 7| 5.4 0.0 5.4| 44.2 -1.4 42.9 42.9 0.57| 11.3 6.4 1500 64 7 330 6| 3.6 1.1 4.7| 44.2 -5.6 38.7 25.8 0.40| 8.7 3.4 2000 62 7 330 7| 3.5 0.9 4.4| 50.7 -5.6 45.2 22.6 0.47| 7.4 3.4 2500 62 7 336 7| 3.6 0.7 4.3| 58.0 -5.6 52.4 21.0 0.52| 6.7 3.5 3000 65 9 346 6| 3.7 0.6 4.2| 65.9 -5.6 60.3 20.1 0.56| 6.2 3.5 4000 68 11 5 7| 2.9 0.4 3.4| 72.9 -5.6 67.3 16.8 0.58| 5.1 3.0 5000 72 12 18 7| 2.4 0.3 2.7| 77.7 -5.6 72.1 14.4 0.60| 4.3 2.6 6000 76 13 29 7| 1.9 0.3 2.2| 81.9 -5.6 76.3 12.7 0.60| 3.8 2.3 Wrote GIF file: /home/apache/climate/data/raob//VVDN/skewt/VVDN.skewt.20251008.00.gif