UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120100.upa.cvt Date: 0000Z 1 DEC 25 Searching for VVDN... Searching the city database file for: VVDN ... Date:0000Z 1 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 1012 7 23.8 20.6 82 3.2 21.6 310 3 295.9 298.7 294.3 339.8 15.26 1 1000 113 24.0 20.1 79 3.9 21.3 315 9 297.1 299.9 294.4 340.4 14.97 2 987 228 24.2 20.2 78 4.0 21.4 323 10 298.5 301.2 295.0 342.9 15.27 3 925 795 20.0 19.7 98 0.3 19.8 360 17 299.8 302.6 295.7 346.0 15.81 4 920 842 19.8 19.7 99 0.1 19.8 3 17 300.0 302.9 295.8 346.6 15.90 5 880 1226 19.4 18.2 93 1.2 18.6 24 18 303.4 306.2 296.3 348.3 15.11 6 850 1524 17.0 17.0 100 0.0 17.0 40 19 304.0 306.6 296.0 347.0 14.49 7 840 1625 16.6 16.6 100 0.0 16.6 36 19 304.6 307.2 296.0 347.2 14.29 8 723 2891 9.6 9.6 100 0.0 9.6 346 14 310.2 312.2 294.8 342.2 10.44 9 722 2903 9.6 7.4 86 2.2 8.3 345 14 310.4 312.1 293.8 337.9 8.99 10 717 2961 11.4 -2.6 37 14.0 4.2 343 14 313.0 313.8 290.8 326.9 4.40 11 700 3162 11.2 -2.8 37 14.0 4.0 335 13 314.9 315.7 291.5 329.1 4.45 12 666 3575 8.6 -3.4 43 12.0 2.5 342 13 316.5 317.3 291.9 330.8 4.47 13 635 3968 7.4 -22.6 10 30.0 -2.9 348 13 319.5 319.7 289.6 322.9 0.98 14 577 4752 4.6 -39.4 2 44.0 -6.1 1 13 325.1 325.1 290.5 325.9 0.22 15 576 4766 4.6 -32.4 5 37.0 -5.7 1 13 325.2 325.3 290.8 326.8 0.44 16 504 5837 -3.7 -32.7 8 29.0 -11.1 19 13 327.8 327.9 291.6 329.6 0.48 17 500 5900 -4.1 -33.1 8 29.0 -11.3 20 13 328.0 328.1 291.6 329.8 0.47 18 473 6335 -5.5 -45.5 3 40.0 -13.0 21 15 331.6 331.6 292.3 332.1 0.14 19 429 7089 -11.7 -47.7 3 36.0 -17.4 23 18 333.0 333.1 292.7 333.5 0.12 20 400 7620 -14.7 -49.7 3 35.0 -19.7 25 21 335.9 335.9 293.4 336.3 0.10 21 397 7677 -14.9 -50.9 3 36.0 -19.9 25 21 336.3 336.4 293.5 336.7 0.09 22 393 7754 -14.3 -53.3 2 39.0 -19.6 26 20 338.1 338.1 293.9 338.4 0.07 23 300 9740 -30.3 -55.3 7 25.0 -32.3 40 11 342.7 342.7 295.0 343.0 0.07 24 273 10403 -36.1 -53.1 16 17.0 -37.3 48 11 343.6 343.7 295.3 344.1 0.10 25 264 10635 -36.5 -59.5 7 23.0 -37.8 51 11 346.4 346.4 295.8 346.6 0.05 26 250 11010 -39.9 -60.9 9 21.0 -40.9 55 11 346.7 346.8 296.0 346.9 0.04 27 224 11748 -46.9 -63.9 13 17.0 -47.4 35 10 347.1 347.1 296.0 347.2 0.03 28 215 12018 -48.3 -69.3 7 21.0 -48.8 28 10 349.0 349.0 296.4 349.1 0.02 29 200 12490 -51.9 -69.9 10 18.0 -52.2 15 9 350.6 350.6 296.8 350.6 0.02 30 155 14092 -65.9 -70.1 56 4.2 -66.0 304 2 353.2 353.2 297.3 353.3 0.02 31 152 14210 -67.1 -73.1 42 6.0 -67.1 299 1 353.2 353.2 297.3 353.2 0.01 32 150 14290 -67.7 -72.7 49 5.0 -67.7 295 1 353.5 353.5 297.4 353.5 0.01 33 145 14493 -69.5 -71.5 75 2.0 -69.5 299 2 353.8 353.8 297.4 353.9 0.02 34 140 14701 -70.9 -76.9 41 6.0 -70.9 303 2 354.9 354.9 297.7 354.9 0.01 35 127 15273 -73.7 -86.7 12 13.0 -73.7 313 4 359.9 359.9 298.7 359.9 0.00 36 100 16640 -81.3 -90.3 20 9.0 -81.3 340 9 370.6 370.6 300.7 370.7 0.00 TRP WND Sounding variables and indices 1000-500 mb thick: 5787.00 m Freezing level: 536.10 mb = 5359.68 m = 17584.04 ft Wetbulb zero: 651.58 mb = 3755.69 m = 12321.65 ft Precipitable water: 1.78 inches Sfc-500 mean rel hum: 54.29 % Est. max temperature: 31.64 C = 88.95 F Sfc-Lift cond lev (LCL): 965.94 mb = 416.56 m = 1366.65 ft T: 22.80 C 700-500 lapse rate: 5.59 C/km ThetaE index: 20.27 C Layer 723.0- 700.0 mb Conv cond level (CCL): 866.64 mb = 1357.36 m = 4453.22 ft Mean mixing ratio: 15.48 g/kg Conv temperature: 31.56 C = 88.81 F Cap Strength: 3.64 C Lifted Index: 1.10 C Risk: Showers probable Lifted Index @300 mb: 1.50 C Lifted Index @700 mb: 2.33 C Showalter Index: -0.08 C Risk: Thunderstorms probable Total Totals Index: 42.20 C Risk: None Vertical Totals Index: 21.10 C Cross Totals Index: 21.10 C K Index: 24.10 Risk: 20-40 % chance of thunderstorms Sweat Index: 255.00 Risk: None Energy Index: -3.27 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 15.29 J/kg Max Up Vert Vel: 5.53 m/s Conv Inhibition (B-): 49.82 J/kg Cap Strength: 3.50 C Lift Cond Lev (LCL): 929.90 mb = 748.85 m = 2456.82 ft Lev Free Conv (LFC): 764.90 mb = 2415.74 m = 7925.55 ft Equ Level (EL): 714.90 mb = 2985.45 m = 9794.68 ft B at Equ Level: 10.65 J/kg Max Parcel Lev (MPL): 694.90 mb = 3222.70 m = 10573.03 ft Wind level data Storm motion: 35 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 1012 7 310 3 2.3 -1.9 | 231 11 8.4 6.9 1 1000 113 315 9 6.4 -6.4 | 259 13 12.5 2.4 2 925 795 360 17 -0.0 -17.0 | 323 10 6.1 -8.2 3 850 1524 40 19 -12.2 -14.6 | 47 8 -6.1 -5.7 4 700 3162 335 13 5.5 -11.8 | 284 12 11.6 -3.0 5 500 5900 20 13 -4.4 -12.2 | 334 4 1.7 -3.4 6 400 7620 25 21 -8.9 -19.0 | 15 11 -2.8 -10.2 7 300 9740 40 11 -7.1 -8.4 | 112 1 -1.0 0.4 8 250 11010 55 11 -9.0 -6.3 | 131 4 -2.9 2.5 9 200 12490 15 9 -2.3 -8.7 | 268 4 3.8 0.1 10 150 14290 295 1 0.9 -0.4 | 220 11 7.0 8.4 11 100 16640 340 9 3.1 -8.5 | 268 9 9.2 0.3 Wind Parameters Mean winds (0-6000m): 4.7 at 14.3 knts Storm direction: 34.7 at 10.7 knts Shear (0-3000m) pos: 3.3 neg: 2.8 tot: 6.1 10-3/s Storm rel Dir Shear (0-3000m): 60.3 deg Storm rel helicity (0-3000m) pos: 82.3 neg: -36.1 tot: 46.2 m^2/s^2 ave: 15.4 10^-3 m/s^2 rel: 0.29 Storm rel vorticity (0-3000m) horiz: 8.4 stream: 2.4 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 1.58 Bulk Shear: 9.66 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 ------------------------------------------------------------------------------- 500 329 10 269 11| 11.5 0.0 11.5| 38.7 0.0 38.7 77.5 0.97| 13.3 12.9 1000 349 13 296 9| 8.4 0.0 8.4| 63.7 0.0 63.7 63.7 0.97| 11.6 11.2 1500 5 15 321 8| 6.6 0.0 6.6| 82.3 0.0 82.3 54.9 0.97| 10.8 10.5 2000 13 16 338 7| 4.9 1.5 6.5| 82.3 -11.7 70.6 35.3 0.66| 9.6 6.3 2500 13 16 339 7| 3.9 2.4 6.3| 82.3 -23.6 58.8 23.5 0.44| 8.9 3.9 3000 11 16 334 7| 3.3 2.8 6.1| 82.3 -36.1 46.2 15.4 0.29| 8.4 2.4 4000 5 15 322 8| 2.7 2.1 4.8| 87.5 -39.9 47.6 11.9 0.28| 6.8 1.9 5000 3 15 317 8| 2.5 1.7 4.1| 91.9 -39.9 52.0 10.4 0.30| 5.8 1.7 6000 5 14 318 7| 2.3 1.4 3.7| 95.1 -39.9 55.2 9.2 0.32| 5.2 1.7 Wrote GIF file: /home/apache/climate/data/raob//VVDN/skewt/VVDN.skewt.20251201.00.gif