UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025102712.upa.cvt Date: 1200Z 27 OCT 25 Searching for VVDN... Searching the city database file for: VVDN ... Date:1200Z 27 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 25.6 23.8 90 1.8 24.3 45 7 297.8 301.2 297.1 352.0 18.67 1 1000 106 25.2 23.4 90 1.8 23.9 35 15 298.4 301.7 297.1 352.0 18.41 2 933 715 21.4 21.4 100 0.0 21.4 48 27 300.5 303.6 297.0 351.6 17.45 3 925 790 21.0 21.0 100 0.0 21.0 50 29 300.8 303.9 296.9 351.2 17.17 4 850 1522 17.6 17.5 99 0.1 17.5 55 25 304.6 307.4 296.5 349.2 14.97 5 700 3164 9.8 8.4 91 1.4 8.9 50 21 313.3 315.2 295.3 344.1 9.94 6 667 3563 6.8 6.5 98 0.3 6.6 63 22 314.3 316.1 295.0 342.8 9.15 7 663 3613 7.0 5.6 91 1.4 6.2 65 23 315.1 316.8 294.8 342.1 8.64 8 500 5890 -3.9 -4.8 93 0.9 -4.4 140 31 328.3 329.4 295.8 346.2 5.36 9 475 6295 -5.9 -5.9 100 0.0 -5.9 141 29 330.7 331.7 296.2 348.1 5.19 10 426 7145 -9.9 -12.8 79 2.9 -11.1 144 24 336.0 336.7 296.1 347.7 3.36 11 407 7497 -11.5 -13.6 84 2.1 -12.4 145 22 338.4 339.0 296.6 349.9 3.29 12 400 7630 -12.5 -14.5 85 2.0 -13.3 145 21 338.7 339.4 296.5 349.7 3.11 13 365 8324 -16.9 -18.6 87 1.7 -17.5 142 20 341.9 342.4 296.8 350.6 2.42 14 300 9770 -26.7 -29.5 77 2.8 -27.3 135 17 347.8 348.0 297.1 352.0 1.11 15 282 10214 -30.1 -33.5 72 3.4 -30.7 125 16 349.1 349.3 297.1 352.2 0.80 16 250 11060 -37.1 -40.5 71 3.4 -37.5 105 13 350.9 351.0 297.2 352.7 0.45 17 207 12326 -48.7 -52.5 65 3.8 -48.9 113 15 352.2 352.2 297.3 352.8 0.14 18 200 12550 -50.5 -55.2 57 4.7 -50.7 115 15 352.8 352.8 297.3 353.3 0.11 19 196 12681 -51.5 -56.5 55 5.0 -51.7 115 16 353.3 353.3 297.4 353.7 0.09 20 178 13297 -57.7 -63.7 46 6.0 -57.8 115 19 353.0 353.0 297.3 353.1 0.04 21 166 13733 -62.1 -66.8 53 4.7 -62.1 115 21 352.7 352.7 297.3 352.9 0.03 22 157 14074 -65.3 -72.3 37 7.0 -65.4 115 23 353.0 353.0 297.3 353.0 0.01 23 150 14350 -67.9 -73.9 42 6.0 -67.9 115 25 353.1 353.1 297.3 353.2 0.01 24 138 14845 -72.5 -78.5 40 6.0 -72.5 126 24 353.5 353.5 297.4 353.6 0.01 25 110 16137 -83.9 -88.1 48 4.2 -83.9 157 22 355.8 355.8 297.8 355.8 0.00 26 106 16342 -83.7 -88.7 41 5.0 -83.7 162 22 360.0 360.0 298.7 360.0 0.00 27 100 16670 -78.1 -86.1 26 8.0 -78.1 170 21 376.8 376.8 301.7 376.8 0.00 TRP WND Sounding variables and indices 1000-500 mb thick: 5784.00 m Freezing level: 558.32 mb = 5075.28 m = 16650.97 ft Wetbulb zero: 567.61 mb = 4866.52 m = 15966.07 ft Precipitable water: 2.68 inches Sfc-500 mean rel hum: 94.38 % Est. max temperature: 31.81 C = 89.25 F Sfc-Lift cond lev (LCL): 985.31 mb = 235.97 m = 774.16 ft T: 24.39 C 700-500 lapse rate: 5.03 C/km ThetaE index: 9.94 C Layer 1000.0- 500.0 mb Conv cond level (CCL): 941.38 mb = 636.48 m = 2088.16 ft Mean mixing ratio: 17.80 g/kg Conv temperature: 27.97 C = 82.35 F Cap Strength: 0.30 C Lifted Index: -1.58 C Risk: Thunderstorms probable Lifted Index @300 mb: 0.73 C Lifted Index @700 mb: -1.29 C Showalter Index: -0.67 C Risk: Thunderstorms probable Total Totals Index: 42.90 C Risk: None Vertical Totals Index: 21.50 C Cross Totals Index: 21.40 C K Index: 37.60 Risk: > 80 % chance of thunderstorms Sweat Index: 291.00 Risk: None Energy Index: -0.73 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 311.04 J/kg Max Up Vert Vel: 24.94 m/s Conv Inhibition (B-): 0.60 J/kg Cap Strength: 0.30 C Lift Cond Lev (LCL): 949.58 mb = 560.26 m = 1838.11 ft Lev Free Conv (LFC): 934.58 mb = 700.07 m = 2296.80 ft Equ Level (EL): 364.58 mb = 8332.68 m = 27337.86 ft B at Equ Level: 310.70 J/kg Max Parcel Lev (MPL): 114.58 mb = 15904.68 m = 52180.07 ft Wind level data Storm motion: 105 at 19 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 45 7 -4.9 -4.9 | 307 16 12.9 -9.9 1 1000 106 35 15 -8.6 -12.3 | 332 20 9.3 -17.2 2 925 790 50 29 -22.2 -18.6 | 10 24 -4.3 -23.6 3 850 1522 55 25 -20.5 -14.3 | 8 19 -2.6 -19.3 4 700 3164 50 21 -16.1 -13.5 | 354 19 1.8 -18.5 5 500 5890 140 31 -19.9 23.7 | 174 19 -2.1 18.8 6 400 7630 145 21 -12.0 17.2 | 205 14 5.8 12.2 7 300 9770 135 17 -12.0 12.0 | 220 9 5.9 7.1 8 250 11060 105 13 -12.6 3.4 | 287 6 5.3 -1.6 9 200 12550 115 15 -13.6 6.3 | 252 4 4.3 1.4 10 150 14350 115 25 -22.7 10.6 | 140 7 -4.8 5.6 11 100 16670 170 21 -3.6 20.7 | 222 21 14.2 15.7 Wind Parameters Mean winds (0-6000m): 75.5 at 24.7 knts Storm direction: 105.5 at 18.5 knts Shear (0-3000m) pos: 0.9 neg: 2.2 tot: 3.1 10-3/s Storm rel Dir Shear (0-3000m): 48.3 deg Storm rel helicity (0-3000m) pos: 117.0 neg: -25.6 tot: 91.3 m^2/s^2 ave: 30.4 10^-3 m/s^2 rel: 0.54 Storm rel vorticity (0-3000m) horiz: 5.5 stream: 2.9 10^-3/s Energy-Hel index: 0.23 Bulk Rich Number: 11.07 Bulk Shear: 28.09 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 40 18 340 20| 0.0 16.7 16.7| 80.5 0.0 80.5 161.1 0.94| 17.5 16.5 1000 46 22 355 20| 2.9 8.3 11.3|117.0 -1.2 115.7 115.7 0.89| 12.7 11.3 1500 49 24 360 21| 1.7 5.6 7.3|117.0 -5.5 111.4 74.3 0.76| 9.5 7.2 2000 50 24 1 20| 1.3 3.9 5.2|117.0 -12.3 104.6 52.3 0.68| 7.5 5.1 2500 51 24 1 20| 1.0 2.9 3.9|117.0 -19.0 97.9 39.2 0.60| 6.3 3.8 3000 51 23 1 20| 0.9 2.2 3.1|117.0 -25.6 91.3 30.4 0.54| 5.5 2.9 4000 54 23 2 19| 2.0 1.7 3.7|151.6 -26.9 124.7 31.2 0.59| 5.6 3.3 5000 63 24 11 16| 3.0 1.3 4.4|186.6 -26.9 159.7 31.9 0.68| 6.1 4.1 6000 75 25 29 13| 3.4 1.1 4.5|231.9 -26.9 205.0 34.2 0.70| 6.4 4.5 Wrote GIF file: /home/apache/climate/data/raob//VVDN/skewt/VVDN.skewt.20251027.12.gif