UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120812.upa.cvt Date: 1200Z 8 DEC 25 Searching for VVDN... Searching the city database file for: VVDN ... Date:1200Z 8 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 1016 7 22.6 19.9 85 2.7 20.8 340 3 294.4 297.0 293.3 336.0 14.54 1 1000 148 22.2 18.6 80 3.6 19.8 350 11 295.4 297.8 292.9 334.4 13.61 2 925 823 17.8 16.2 90 1.6 16.7 55 21 297.5 299.8 292.8 334.1 12.62 3 850 1542 13.0 11.0 88 2.0 11.7 55 17 299.8 301.5 291.2 328.4 9.74 4 715 2976 4.8 4.7 99 0.1 4.8 68 12 305.9 307.3 291.3 328.7 7.51 5 710 3034 5.8 -23.2 10 29.0 -3.2 69 11 307.7 307.8 285.5 310.4 0.83 6 704 3104 11.6 -28.4 4 40.0 -0.7 70 11 314.8 314.9 287.6 316.7 0.52 7 700 3152 13.0 -31.0 3 44.0 -0.3 70 11 316.9 317.0 288.2 318.4 0.41 8 698 3176 13.4 -32.6 3 46.0 -0.2 70 11 317.6 317.7 288.3 318.9 0.35 9 683 3358 13.0 70 11 319.1 10 593 4524 4.4 -35.6 4 40.0 -5.9 70 14 322.3 322.4 289.8 323.4 0.31 11 500 5890 -3.7 -41.7 3 38.0 -11.6 70 17 328.5 328.6 291.5 329.3 0.20 12 403 7563 -13.3 -40.3 8 27.0 -18.4 65 21 337.0 337.0 293.9 338.1 0.28 13 400 7620 -13.9 -40.9 8 27.0 -18.8 65 21 336.9 337.0 293.8 338.0 0.27 14 375 8107 -17.9 -44.9 7 27.0 -22.0 73 17 337.9 337.9 294.0 338.6 0.19 15 302 9692 -28.7 -57.7 4 29.0 -31.1 99 3 344.3 344.3 295.4 344.5 0.05 16 300 9740 -29.1 -55.1 6 26.0 -31.4 100 3 344.4 344.4 295.4 344.7 0.07 17 276 10328 -34.5 -54.5 11 20.0 -36.0 132 4 344.9 344.9 295.6 345.2 0.08 18 258 10795 -38.1 -55.1 15 17.0 -39.2 158 5 346.3 346.3 295.9 346.6 0.08 19 255 10875 -38.9 -47.9 38 9.0 -39.6 162 5 346.3 346.3 296.0 347.1 0.20 20 250 11010 -39.7 -48.7 38 9.0 -40.4 170 5 347.0 347.1 296.1 347.8 0.18 21 224 11753 -46.1 -55.1 35 9.0 -46.5 180 6 348.3 348.3 296.4 348.7 0.10 22 212 12118 -48.1 -65.1 12 17.0 -48.6 185 6 350.7 350.7 296.8 350.8 0.03 23 200 12500 -51.7 -61.7 29 10.0 -52.0 190 7 350.9 350.9 296.8 351.1 0.05 24 195 12663 -53.1 -59.1 48 6.0 -53.3 190 8 351.2 351.2 297.0 351.5 0.07 25 192 12762 -53.9 -70.9 11 17.0 -54.2 190 8 351.5 351.5 297.0 351.6 0.01 26 181 13136 -57.1 -69.1 20 12.0 -57.3 190 10 352.3 352.3 297.1 352.3 0.02 27 178 13241 -58.1 -62.7 55 4.6 -58.2 190 11 352.3 352.3 297.2 352.5 0.05 28 172 13455 -60.1 -64.2 59 4.1 -60.2 190 12 352.5 352.5 297.2 352.6 0.04 29 171 13491 -60.7 -65.1 56 4.4 -60.8 190 12 352.1 352.1 297.1 352.2 0.04 30 150 14290 -66.9 -72.9 42 6.0 -67.0 190 17 354.8 354.8 297.7 354.9 0.01 31 129 15184 -74.5 -79.5 46 5.0 -74.5 129 11 356.8 356.8 298.1 356.9 0.01 32 111 16047 -79.9 -86.9 30 7.0 -79.9 67 5 362.4 362.4 299.2 362.4 0.00 33 100 16630 -84.9 -89.3 45 4.4 -84.9 25 1 363.7 363.7 299.4 363.7 0.00 TRP WND Sounding variables and indices 1000-500 mb thick: 5742.00 m Freezing level: 542.48 mb = 5266.04 m = 17276.82 ft Wetbulb zero: 712.01 mb = 3010.75 m = 9877.66 ft Precipitable water: 1.32 inches Sfc-500 mean rel hum: 59.91 % Est. max temperature: 27.48 C = 81.47 F Sfc-Lift cond lev (LCL): 976.91 mb = 350.25 m = 1149.11 ft T: 20.88 C 700-500 lapse rate: 6.10 C/km ThetaE index: 18.23 C Layer 710.0- 704.0 mb Conv cond level (CCL): 905.08 mb = 1008.14 m = 3307.49 ft Mean mixing ratio: 13.20 g/kg Conv temperature: 26.30 C = 79.34 F Cap Strength: 8.18 C Lifted Index: 5.48 C Risk: None Lifted Index @300 mb: 8.44 C Lifted Index @700 mb: 7.18 C Showalter Index: 8.35 C Risk: None Total Totals Index: 31.40 C Risk: None Vertical Totals Index: 16.70 C Cross Totals Index: 14.70 C K Index: -16.30 Risk: None Sweat Index: 183.00 Risk: None Energy Index: 0.41 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 74.26 J/kg Max Up Vert Vel: 12.19 m/s Conv Inhibition (B-): 9.47 J/kg Cap Strength: 8.07 C Lift Cond Lev (LCL): 929.18 mb = 784.00 m = 2572.15 ft Lev Free Conv (LFC): 874.18 mb = 1303.53 m = 4276.62 ft Equ Level (EL): 704.18 mb = 3102.13 m = 10177.46 ft B at Equ Level: 58.83 J/kg Max Parcel Lev (MPL): 684.18 mb = 3343.68 m = 10969.94 ft Wind level data Storm motion: 91 at 11 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 1016 7 340 3 1.0 -2.8 | 284 12 12.1 -3.0 1 1000 148 350 11 1.9 -10.8 | 310 17 12.9 -11.0 2 925 823 55 21 -17.2 -12.0 | 27 14 -6.2 -12.2 3 850 1542 55 17 -13.9 -9.8 | 16 10 -2.9 -9.9 4 700 3152 70 11 -10.3 -3.8 | 350 4 0.7 -4.0 5 500 5890 70 17 -16.0 -5.8 | 39 8 -4.9 -6.0 6 400 7620 65 21 -19.0 -8.9 | 41 12 -8.0 -9.1 7 300 9740 100 3 -3.0 0.5 | 268 8 8.1 0.3 8 250 11010 170 5 -0.9 4.9 | 245 11 10.2 4.7 9 200 12500 190 7 1.2 6.9 | 241 14 12.2 6.7 10 150 14290 190 17 3.0 16.7 | 220 22 14.0 16.5 11 100 16630 25 1 -0.4 -0.9 | 276 11 10.6 -1.1 Wind Parameters Mean winds (0-6000m): 61.0 at 14.7 knts Storm direction: 91.0 at 11.0 knts Shear (0-3000m) pos: 2.5 neg: 0.5 tot: 2.9 10-3/s Storm rel Dir Shear (0-3000m): 72.3 deg Storm rel helicity (0-3000m) pos: 107.3 neg: -9.4 tot: 97.9 m^2/s^2 ave: 32.6 10^-3 m/s^2 rel: 0.59 Storm rel vorticity (0-3000m) horiz: 6.6 stream: 3.9 10^-3/s Energy-Hel index: 0.05 Bulk Rich Number: 3.69 Bulk Shear: 20.14 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 7 12 321 15| 14.7 0.0 14.7| 66.9 0.0 66.9 133.8 0.93| 18.2 16.8 1000 37 16 352 13| 10.0 0.0 10.0|107.3 -1.0 106.3 106.3 0.91| 15.0 13.7 1500 44 17 3 12| 6.7 1.0 7.6|107.3 -5.7 101.6 67.7 0.78| 11.0 8.6 2000 47 17 6 11| 4.6 0.7 5.3|107.3 -6.6 100.7 50.3 0.72| 8.8 6.4 2500 50 16 7 11| 3.3 0.6 3.9|107.3 -7.8 99.5 39.8 0.66| 7.5 5.0 3000 52 15 7 10| 2.5 0.5 2.9|107.3 -9.4 97.9 32.6 0.59| 6.6 3.9 4000 56 15 7 8| 1.9 0.2 2.1|109.1 -9.8 99.3 24.8 0.59| 5.3 3.1 5000 59 14 10 8| 1.5 0.1 1.6|111.4 -9.8 101.6 20.3 0.60| 4.4 2.7 6000 61 15 14 8| 1.3 0.2 1.5|113.5 -9.8 103.7 17.3 0.60| 3.9 2.3 Wrote GIF file: /home/apache/climate/data/raob//VVDN/skewt/VVDN.skewt.20251208.12.gif