UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025122312.upa.cvt Date: 1200Z 23 DEC 25 Searching for VVDN... Searching the city database file for: VVDN ... Date:1200Z 23 DEC 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 1013 7 25.2 22.2 83 3.0 23.0 250 1 297.2 300.3 295.7 346.1 16.86 1 1000 121 24.2 21.8 86 2.4 22.5 60 3 297.4 300.4 295.7 345.6 16.66 2 960 477 21.0 20.6 98 0.4 20.8 76 7 297.6 300.5 295.3 344.3 16.11 3 925 799 19.2 16.9 87 2.3 17.7 90 11 298.9 301.3 293.7 337.4 13.21 4 850 1522 15.2 8.2 63 7.0 11.0 105 5 302.1 303.5 290.6 326.0 8.05 5 847 1552 15.0 8.0 63 7.0 10.8 107 5 302.2 303.6 290.5 325.9 7.97 6 756 2505 8.4 7.4 93 1.0 7.8 165 7 305.0 306.6 291.9 330.8 8.58 7 740 2683 10.2 1.2 54 9.0 5.4 176 8 308.8 309.9 290.6 326.3 5.65 8 733 2762 9.8 7.0 83 2.8 8.1 181 8 309.2 310.9 293.2 335.5 8.61 9 724 2865 10.2 -3.8 37 14.0 3.3 188 8 310.8 311.5 289.8 323.3 3.99 10 711 3016 10.6 -8.4 25 19.0 2.0 197 9 312.8 313.4 289.3 322.0 2.85 11 708 3051 10.8 -9.2 24 20.0 1.8 199 9 313.4 313.9 289.4 322.1 2.69 12 700 3146 10.2 -9.8 23 20.0 1.3 205 9 313.8 314.3 289.4 322.2 2.59 13 627 4053 6.2 -18.8 15 25.0 -3.0 225 8 319.2 319.5 290.0 324.0 1.38 14 591 4536 5.6 -39.4 2 45.0 -5.4 235 7 324.0 324.0 290.2 324.8 0.21 15 500 5880 -2.5 -40.5 4 38.0 -10.8 265 5 330.0 330.0 291.9 330.9 0.22 16 463 6485 -7.7 -38.7 6 31.0 -14.2 301 7 330.8 330.9 292.3 332.0 0.29 17 400 7610 -14.3 -41.3 8 27.0 -19.1 10 11 336.4 336.5 293.7 337.4 0.26 18 382 7958 -16.5 -39.5 12 23.0 -20.7 2 11 338.0 338.0 294.1 339.2 0.32 19 336 8911 -22.7 -54.7 4 32.0 -26.1 340 11 342.1 342.1 294.9 342.4 0.07 20 300 9730 -30.1 -60.1 4 30.0 -32.3 320 11 343.0 343.0 295.1 343.1 0.04 21 250 10990 -41.3 -66.3 5 25.0 -42.2 290 17 344.7 344.7 295.4 344.8 0.02 22 234 11436 -45.3 -67.3 7 22.0 -46.0 283 21 345.2 345.2 295.6 345.3 0.02 23 205 12309 -50.5 -73.5 5 23.0 -51.0 268 28 350.3 350.3 296.7 350.4 0.01 24 200 12470 -51.7 -73.7 5 22.0 -52.1 265 29 350.9 350.9 296.8 350.9 0.01 25 150 14270 -67.1 -78.1 20 11.0 -67.2 225 27 354.5 354.5 297.6 354.5 0.01 26 129 15161 -74.9 -80.9 39 6.0 -74.9 266 20 356.1 356.1 297.9 356.1 0.00 27 100 16620 -79.5 -87.5 25 8.0 -79.5 335 7 374.1 374.1 301.3 374.1 0.00 TRP WND Sounding variables and indices 1000-500 mb thick: 5759.00 m Freezing level: 528.09 mb = 5465.08 m = 17929.84 ft Wetbulb zero: 677.66 mb = 3413.01 m = 11197.41 ft Precipitable water: 1.38 inches Sfc-500 mean rel hum: 43.44 % Est. max temperature: 29.48 C = 85.06 F Sfc-Lift cond lev (LCL): 970.05 mb = 386.51 m = 1268.07 ft T: 21.82 C 700-500 lapse rate: 4.65 C/km ThetaE index: 20.19 C Layer 1000.0- 756.0 mb Conv cond level (CCL): 926.91 mb = 781.11 m = 2562.65 ft Mean mixing ratio: 15.36 g/kg Conv temperature: 26.82 C = 80.28 F Cap Strength: 4.00 C Lifted Index: 3.22 C Risk: None Lifted Index @300 mb: 2.46 C Lifted Index @700 mb: 1.74 C Showalter Index: 10.72 C Risk: None Total Totals Index: 28.40 C Risk: None Vertical Totals Index: 17.70 C Cross Totals Index: 10.70 C K Index: 5.90 Risk: None Sweat Index: 113.40 Risk: None Energy Index: 1.22 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 88.73 J/kg Max Up Vert Vel: 13.32 m/s Conv Inhibition (B-): 2.24 J/kg Cap Strength: 4.01 C Lift Cond Lev (LCL): 939.66 mb = 662.92 m = 2174.90 ft Lev Free Conv (LFC): 904.66 mb = 989.16 m = 3245.23 ft Equ Level (EL): 724.66 mb = 2857.20 m = 9373.90 ft B at Equ Level: 87.51 J/kg Max Parcel Lev (MPL): 614.66 mb = 4215.16 m = 13829.09 ft Wind level data Storm motion: 216 at 5 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 1013 7 250 1 0.9 0.3 | 29 4 -2.1 -3.9 1 1000 121 60 3 -2.6 -1.5 | 45 8 -5.7 -5.7 2 925 799 90 11 -11.0 0.0 | 73 15 -14.1 -4.2 3 850 1522 105 5 -4.8 1.3 | 70 8 -7.9 -3.0 4 700 3146 205 9 3.8 8.2 | 191 4 0.7 3.9 5 500 5880 265 5 5.0 0.4 | 333 4 1.9 -3.8 6 400 7610 10 11 -1.9 -10.8 | 18 16 -5.0 -15.1 7 300 9730 320 11 7.1 -8.4 | 343 13 4.0 -12.7 8 250 10990 290 17 16.0 -5.8 | 308 16 12.9 -10.1 9 200 12470 265 29 28.9 2.5 | 274 26 25.8 -1.7 10 150 14270 225 27 19.1 19.1 | 227 22 16.0 14.8 11 100 16620 335 7 3.0 -6.3 | 1 11 -0.1 -10.6 Wind Parameters Mean winds (0-6000m): 186.0 at 7.0 knts Storm direction: 216.0 at 5.2 knts Shear (0-3000m) pos: 2.4 neg: 1.5 tot: 3.9 10-3/s Storm rel Dir Shear (0-3000m): 142.5 deg Storm rel helicity (0-3000m) pos: 40.2 neg: -1.8 tot: 38.4 m^2/s^2 ave: 12.8 10^-3 m/s^2 rel: 0.58 Storm rel vorticity (0-3000m) horiz: 5.3 stream: 3.1 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 7.00 Bulk Shear: 12.67 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 71 5 52 9| 0.0 8.8 8.8| 11.4 0.0 11.4 22.7 0.51| 9.6 4.9 1000 86 7 65 11| 1.6 4.4 6.0| 22.6 0.0 22.6 22.6 0.53| 7.8 4.1 1500 89 7 67 11| 1.3 2.9 4.2| 22.6 -1.8 20.8 13.9 0.37| 6.7 2.5 2000 96 7 70 10| 1.7 2.2 3.9| 28.8 -1.8 27.1 13.5 0.45| 5.8 2.6 2500 106 7 76 10| 2.2 1.8 3.9| 34.9 -1.8 33.1 13.2 0.52| 5.5 2.8 3000 120 7 86 9| 2.4 1.5 3.9| 40.2 -1.8 38.4 12.8 0.58| 5.3 3.1 4000 151 7 108 7| 1.9 1.1 3.0| 43.8 -1.8 42.1 10.5 0.62| 4.6 2.8 5000 172 7 126 5| 1.4 0.9 2.3| 46.0 -1.8 44.2 8.8 0.65| 4.0 2.6 6000 186 7 139 4| 1.1 0.7 1.8| 47.9 -1.9 46.0 7.7 0.65| 3.6 2.3 Wrote GIF file: /home/apache/climate/data/raob//VVDN/skewt/VVDN.skewt.20251223.12.gif