UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101612.upa.cvt Date: 1200Z 16 OCT 25 Searching for VVDN... Searching the city database file for: VVDN ... Date:1200Z 16 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 1011 7 24.0 22.9 94 1.1 23.2 315 3 296.2 299.4 296.0 347.1 17.65 1 1000 100 23.4 22.5 95 0.9 22.8 315 7 296.5 299.7 295.9 346.8 17.41 2 972 349 24.2 21.8 86 2.4 22.5 351 11 299.8 302.9 296.6 350.0 17.16 3 959 468 24.2 20.1 78 4.1 21.3 9 12 300.9 303.8 295.9 346.8 15.63 4 925 784 22.6 20.0 85 2.6 20.8 55 17 302.4 305.4 296.7 350.1 16.11 5 850 1518 18.8 17.0 89 1.8 17.5 80 15 305.8 308.5 296.5 349.3 14.49 6 731 2802 11.8 10.2 90 1.6 10.7 88 15 311.7 313.7 295.4 344.7 10.76 7 700 3165 10.0 5.9 76 4.1 7.5 90 15 313.6 315.2 294.2 339.5 8.35 8 585 4640 2.4 -5.6 55 8.0 -1.5 90 24 321.2 322.1 293.2 335.3 4.31 9 584 4654 2.4 -5.6 55 8.0 -1.5 90 24 321.4 322.2 293.2 335.5 4.32 10 507 5781 -6.7 -8.9 84 2.2 -7.7 90 30 323.6 324.3 293.4 336.3 3.85 11 502 5859 -5.7 -7.2 89 1.5 -6.4 90 31 325.7 326.6 294.4 340.5 4.44 12 500 5890 -5.9 -7.2 91 1.3 -6.5 90 31 325.8 326.7 294.5 340.7 4.46 13 483 6161 -7.5 -8.3 94 0.8 -7.9 90 29 327.1 328.0 294.6 341.3 4.24 14 444 6816 -8.3 -10.4 85 2.1 -9.2 90 25 334.1 334.9 296.1 347.5 3.91 15 400 7620 -13.3 -14.9 88 1.6 -13.9 90 19 337.7 338.3 296.3 348.3 3.01 16 335 8948 -22.1 -25.2 76 3.1 -22.9 105 13 343.2 343.5 296.4 348.7 1.47 17 302 9702 -28.3 -30.2 84 1.9 -28.7 114 9 344.8 345.1 296.4 348.7 1.03 18 300 9750 -28.7 -31.3 78 2.6 -29.2 115 9 344.9 345.1 296.3 348.5 0.93 19 256 10858 -37.3 -41.2 67 3.9 -37.7 80 12 348.2 348.3 296.6 349.9 0.41 20 255 10884 -37.1 -44.1 48 7.0 -37.8 79 13 348.9 349.0 296.7 350.1 0.30 21 250 11020 -38.5 -43.4 60 4.9 -39.0 75 13 348.8 348.9 296.7 350.2 0.33 22 239 11327 -41.7 -44.6 73 2.9 -41.9 57 11 348.5 348.6 296.5 349.8 0.30 23 237 11384 -42.1 -48.1 52 6.0 -42.5 53 11 348.8 348.8 296.5 349.6 0.21 24 233 11499 -43.1 -47.3 63 4.2 -43.4 47 10 348.9 349.0 296.6 349.9 0.23 25 208 12254 -49.1 -59.1 30 10.0 -49.5 1 5 351.1 351.1 296.9 351.3 0.06 26 200 12510 -51.5 -58.5 43 7.0 -51.7 345 3 351.2 351.2 297.0 351.5 0.07 27 178 13256 -58.5 -62.4 61 3.9 -58.6 319 6 351.7 351.7 297.0 351.9 0.05 28 158 13995 -65.5 -69.9 54 4.4 -65.5 292 10 352.0 352.0 297.1 352.1 0.02 29 150 14310 -67.9 -72.9 49 5.0 -67.9 280 11 353.1 353.1 297.3 353.2 0.01 30 135 14935 -73.3 -78.3 46 5.0 -73.3 318 10 354.3 354.3 297.5 354.4 0.01 31 117 15764 -77.7 -81.5 54 3.8 -77.7 11 8 361.0 361.0 298.9 361.0 0.00 32 108 16221 -79.3 -83.7 48 4.4 -79.3 40 7 366.4 366.4 299.9 366.4 0.00 33 100 16660 -77.7 -83.7 37 6.0 -77.7 110 3 377.6 377.6 301.9 377.6 0.00 TRP 108 16221 -79.3 -83.7 48 4.4 -79.3 40 7 366.4 366.4 299.9 366.4 0.00 WND Sounding variables and indices 1000-500 mb thick: 5790.00 m Freezing level: 563.69 mb = 4951.21 m = 16243.94 ft Wetbulb zero: 604.16 mb = 4375.22 m = 14354.22 ft Precipitable water: 2.39 inches Sfc-500 mean rel hum: 78.25 % Est. max temperature: 33.13 C = 91.63 F Sfc-Lift cond lev (LCL): 995.32 mb = 141.15 m = 463.10 ft T: 23.53 C 700-500 lapse rate: 5.83 C/km ThetaE index: 14.78 C Layer 850.0- 584.0 mb Conv cond level (CCL): 857.32 mb = 1443.52 m = 4735.91 ft Mean mixing ratio: 16.51 g/kg Conv temperature: 33.30 C = 91.93 F Cap Strength: 2.19 C Lifted Index: -2.46 C Risk: Severe thunderstorms possible Lifted Index @300 mb: 0.46 C Lifted Index @700 mb: -0.22 C Showalter Index: -2.70 C Risk: Severe thunderstorms possible Total Totals Index: 47.60 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 24.70 C Cross Totals Index: 22.90 C K Index: 37.60 Risk: > 80 % chance of thunderstorms Sweat Index: 265.00 Risk: None Energy Index: -1.75 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 212.30 J/kg Max Up Vert Vel: 20.61 m/s Conv Inhibition (B-): 89.06 J/kg Cap Strength: 2.19 C Lift Cond Lev (LCL): 925.82 mb = 776.21 m = 2546.59 ft Lev Free Conv (LFC): 730.82 mb = 2803.98 m = 9199.30 ft Equ Level (EL): 440.82 mb = 6871.62 m = 22544.41 ft B at Equ Level: 209.65 J/kg Max Parcel Lev (MPL): 200.82 mb = 12483.20 m = 40954.89 ft Wind level data Storm motion: 114 at 14 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 7 315 3 2.1 -2.1 | 297 17 15.0 -7.8 1 1000 100 315 7 4.9 -4.9 | 301 21 17.8 -10.6 2 925 784 55 17 -13.9 -9.8 | 4 15 -1.1 -15.4 3 850 1518 80 15 -14.8 -2.6 | 13 8 -1.9 -8.2 4 700 3165 90 15 -15.0 0.0 | 21 6 -2.2 -5.6 5 500 5890 90 31 -31.0 0.0 | 73 19 -18.2 -5.6 6 400 7620 90 19 -19.0 0.0 | 48 8 -6.2 -5.6 7 300 9750 115 9 -8.2 3.8 | 291 5 4.7 -1.8 8 250 11020 75 13 -12.6 -3.4 | 358 9 0.3 -9.0 9 200 12510 345 3 0.8 -2.9 | 302 16 13.6 -8.5 10 150 14310 280 11 10.8 -1.9 | 288 25 23.7 -7.5 11 108 16221 40 7 -4.5 -5.4 | 323 14 8.3 -11.0 12 100 16660 110 3 -2.8 1.0 | 295 11 10.0 -4.6 Wind Parameters Mean winds (0-6000m): 83.7 at 18.7 knts Storm direction: 113.7 at 14.0 knts Shear (0-3000m) pos: 3.0 neg: 0.0 tot: 3.0 10-3/s Storm rel Dir Shear (0-3000m): 82.8 deg Storm rel helicity (0-3000m) pos: 127.2 neg: 0.0 tot: 127.2 m^2/s^2 ave: 42.4 10^-3 m/s^2 rel: 0.70 Storm rel vorticity (0-3000m) horiz: 6.3 stream: 4.4 10^-3/s Energy-Hel index: 0.17 Bulk Rich Number: 3.55 Bulk Shear: 59.87 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 ------------------------------------------------------------------------------- 500 350 9 315 20| 12.1 0.0 12.1| 70.9 0.0 70.9 141.8 0.80| 16.3 13.1 1000 39 12 342 16| 9.0 0.0 9.0|122.1 0.0 122.1 122.1 0.80| 15.2 12.2 1500 53 13 352 14| 5.8 0.0 5.8|125.4 0.0 125.4 83.6 0.72| 11.8 8.5 2000 62 14 357 12| 4.4 0.0 4.4|126.1 0.0 126.1 63.1 0.71| 9.1 6.5 2500 67 14 1 11| 3.5 0.0 3.5|126.7 0.0 126.7 50.7 0.71| 7.4 5.2 3000 71 14 4 10| 3.0 0.0 3.0|127.2 0.0 127.2 42.4 0.70| 6.3 4.4 4000 77 15 11 9| 2.5 0.4 2.9|134.7 0.0 134.7 33.7 0.71| 5.4 3.8 5000 81 17 23 9| 2.0 0.9 2.9|143.5 0.0 143.5 28.7 0.68| 4.9 3.3 6000 84 19 37 10| 1.7 1.1 2.8|151.0 -1.0 150.0 25.0 0.64| 4.6 2.9 Wrote GIF file: /home/apache/climate/data/raob//VVDN/skewt/VVDN.skewt.20251016.12.gif