UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025122900.upa.cvt Date: 0000Z 29 DEC 25 Searching for VVDN... Searching the city database file for: VVDN ... Date:0000Z 29 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 1015 7 21.0 20.1 95 0.9 20.4 0 0 292.9 295.5 293.0 334.8 14.74 1 1000 140 20.2 18.8 92 1.4 19.2 295 3 293.4 295.8 292.4 332.6 13.78 2 936 709 16.8 16.8 100 0.0 16.8 50 8 295.5 297.8 292.4 332.7 12.96 3 925 810 16.2 15.8 97 0.4 16.0 70 9 295.9 298.1 292.0 331.3 12.29 4 850 1527 12.8 12.1 96 0.7 12.4 30 1 299.6 301.5 291.8 330.3 10.49 5 815 1879 10.8 8.9 88 1.9 9.6 12 2 301.1 302.7 290.9 327.1 8.81 6 782 2222 7.8 7.6 99 0.2 7.7 353 4 301.4 303.0 290.7 326.3 8.40 7 771 2340 9.2 1.2 57 8.0 5.0 347 4 304.2 305.2 288.9 320.6 5.42 8 767 2383 15.0 -23.0 6 38.0 1.9 345 4 310.9 311.0 286.6 313.5 0.78 9 731 2790 15.4 324 6 315.6 10 700 3156 12.6 -31.4 3 44.0 -0.5 305 7 316.4 316.5 288.1 317.9 0.40 11 585 4626 1.4 -36.6 4 38.0 -7.7 284 7 320.0 320.1 289.1 321.1 0.28 12 571 4821 2.6 -41.4 2 44.0 -7.3 281 7 323.7 323.7 290.1 324.4 0.18 13 500 5880 -3.3 -48.3 2 45.0 -11.5 265 7 329.0 329.0 291.5 329.4 0.10 14 477 6249 -5.3 -47.3 2 42.0 -12.9 253 7 331.0 331.0 292.1 331.5 0.11 15 400 7600 -15.3 -54.3 2 39.0 -20.3 210 9 335.1 335.1 293.2 335.3 0.06 16 351 8572 -22.9 -45.9 10 23.0 -25.9 221 16 337.6 337.6 293.9 338.3 0.18 17 311 9451 -27.5 -48.5 12 21.0 -29.8 232 23 343.1 343.1 295.2 343.7 0.15 18 303 9639 -27.9 -55.9 5 28.0 -30.4 234 24 345.1 345.1 295.6 345.4 0.06 19 300 9710 -28.7 -55.7 6 27.0 -31.0 235 25 344.9 344.9 295.6 345.2 0.07 20 267 10535 -35.9 -50.9 20 15.0 -37.1 251 26 346.1 346.1 295.9 346.7 0.13 21 250 10990 -39.1 -58.1 12 19.0 -40.2 260 27 347.9 347.9 296.3 348.2 0.06 22 236 11383 -42.1 -65.1 6 23.0 -43.0 251 28 349.2 349.2 296.5 349.3 0.03 23 209 12193 -49.7 -64.7 16 15.0 -50.1 232 29 349.6 349.6 296.6 349.8 0.03 24 200 12480 -52.1 -68.1 13 16.0 -52.4 225 29 350.3 350.3 296.7 350.4 0.02 25 150 14280 -66.5 -80.5 12 14.0 -66.6 210 31 355.5 355.5 297.8 355.5 0.00 26 126 15309 -75.5 -85.5 19 10.0 -75.5 182 25 357.4 357.4 298.2 357.4 0.00 27 121 15542 -75.7 -88.7 11 13.0 -75.7 176 24 361.2 361.2 299.0 361.2 0.00 28 103 16456 -82.3 -89.3 29 7.0 -82.3 150 18 365.6 365.6 299.8 365.6 0.00 29 100 16620 -83.7 -89.7 34 6.0 -83.7 145 17 366.0 366.0 299.8 366.0 0.00 TRP WND Sounding variables and indices 1000-500 mb thick: 5740.00 m Freezing level: 539.71 mb = 5287.54 m = 17347.35 ft Wetbulb zero: 714.16 mb = 2987.10 m = 9800.09 ft Precipitable water: 1.14 inches Sfc-500 mean rel hum: 43.78 % Est. max temperature: 26.92 C = 80.45 F Sfc-Lift cond lev (LCL): 1002.01 mb = 122.05 m = 400.42 ft T: 20.31 C 700-500 lapse rate: 5.84 C/km ThetaE index: 19.20 C Layer 925.0- 731.0 mb Conv cond level (CCL): 946.50 mb = 613.05 m = 2011.28 ft Mean mixing ratio: 13.29 g/kg Conv temperature: 23.24 C = 73.83 F Cap Strength: 8.35 C Lifted Index: 6.70 C Risk: None Lifted Index @300 mb: 9.92 C Lifted Index @700 mb: 7.37 C Showalter Index: 7.81 C Risk: None Total Totals Index: 31.50 C Risk: None Vertical Totals Index: 16.10 C Cross Totals Index: 15.40 C K Index: -15.80 Risk: None Sweat Index: 154.20 Risk: None Energy Index: 0.06 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 41.56 J/kg Max Up Vert Vel: 9.12 m/s Conv Inhibition (B-): 0.94 J/kg Cap Strength: 8.16 C Lift Cond Lev (LCL): 954.85 mb = 537.43 m = 1763.22 ft Lev Free Conv (LFC): 929.85 mb = 765.28 m = 2510.74 ft Equ Level (EL): 769.85 mb = 2352.01 m = 7716.48 ft B at Equ Level: 31.34 J/kg Max Parcel Lev (MPL): 749.85 mb = 2574.69 m = 8447.03 ft Wind level data Storm motion: 332 at 4 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 1015 7 0 0 -0.0 -0.0 | 152 4 -2.0 3.8 1 1000 140 295 3 2.7 -1.3 | 196 3 0.7 2.5 2 925 810 70 9 -8.5 -3.1 | 94 10 -10.4 0.7 3 850 1527 30 1 -0.5 -0.9 | 140 4 -2.5 3.0 4 700 3156 305 7 5.7 -4.0 | 273 4 3.7 -0.2 5 500 5880 265 7 7.0 0.6 | 228 7 5.0 4.4 6 400 7600 210 9 4.5 7.8 | 192 12 2.5 11.6 7 300 9710 235 25 20.5 14.3 | 226 26 18.5 18.2 8 250 10990 260 27 26.6 4.7 | 251 26 24.6 8.5 9 200 12480 225 29 20.5 20.5 | 217 31 18.5 24.3 10 150 14280 210 31 15.5 26.8 | 204 34 13.5 30.7 11 100 16620 145 17 -9.8 13.9 | 147 21 -11.7 17.7 Wind Parameters Mean winds (0-6000m): 302.5 at 5.7 knts Storm direction: 332.5 at 4.3 knts Shear (0-3000m) pos: 1.2 neg: 1.8 tot: 3.0 10-3/s Storm rel Dir Shear (0-3000m): 129.1 deg Storm rel helicity (0-3000m) pos: 16.7 neg: -2.7 tot: 14.0 m^2/s^2 ave: 4.7 10^-3 m/s^2 rel: 0.30 Storm rel vorticity (0-3000m) horiz: 6.0 stream: 1.8 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 23.59 Bulk Shear: 1.76 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 ------------------------------------------------------------------------------- 500 341 4 105 1| 6.5 0.0 6.5| 2.4 0.0 2.4 4.8 0.65| 10.7 6.9 1000 55 6 94 7| 3.5 0.0 3.5| 12.5 -0.5 12.0 12.0 0.55| 11.0 6.1 1500 59 5 100 7| 2.3 2.0 4.3| 16.7 -0.5 16.2 10.8 0.56| 9.4 5.2 2000 54 4 102 6| 1.7 1.5 3.2| 16.7 -1.5 15.2 7.6 0.48| 7.5 3.6 2500 39 4 96 5| 1.4 1.6 3.0| 16.7 -2.1 14.7 5.9 0.39| 6.5 2.6 3000 15 4 81 3| 1.2 1.8 3.0| 16.7 -2.7 14.0 4.7 0.30| 6.0 1.8 4000 336 5 358 1| 0.9 1.6 2.5| 16.7 -4.5 12.2 3.1 0.23| 4.8 1.1 5000 316 5 274 2| 0.7 1.3 2.0| 16.7 -6.4 10.3 2.1 0.19| 4.0 0.8 6000 302 6 256 3| 0.6 1.2 1.8| 16.7 -9.1 7.7 1.3 0.14| 3.5 0.5 Wrote GIF file: /home/apache/climate/data/raob//VVDN/skewt/VVDN.skewt.20251229.00.gif