UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025122812.upa.cvt Date: 1200Z 28 DEC 25 Searching for VVDN... Searching the city database file for: VVDN ... Date:1200Z 28 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 22.4 19.1 82 3.3 20.1 330 1 294.2 296.7 292.7 333.7 13.82 1 1000 143 21.8 18.2 80 3.6 19.4 360 3 295.0 297.3 292.5 333.0 13.26 2 925 816 17.4 15.7 90 1.7 16.3 35 1 297.1 299.3 292.4 332.5 12.21 3 886 1184 14.6 14.6 100 0.0 14.6 55 3 297.9 300.0 292.3 332.4 11.88 4 850 1535 12.8 12.8 100 0.0 12.8 75 5 299.6 301.6 292.2 331.7 10.99 5 806 1980 10.8 9.3 90 1.5 9.9 48 8 302.0 303.7 291.5 329.2 9.16 6 802 2022 11.0 7.7 80 3.3 9.0 45 9 302.7 304.2 290.9 327.2 8.25 7 755 2522 6.4 5.9 97 0.5 6.1 14 12 302.9 304.4 290.6 326.1 7.74 8 751 2565 7.6 2.7 71 4.9 4.9 11 13 304.7 305.9 289.8 323.5 6.20 9 749 2588 10.8 -8.2 25 19.0 2.3 10 13 308.4 308.9 287.8 317.1 2.75 10 746 2621 13.2 -25.8 5 39.0 0.6 8 13 311.4 311.5 286.6 313.5 0.63 11 732 2781 15.0 -32.0 2 47.0 0.9 358 14 315.0 315.1 287.5 316.3 0.36 12 700 3158 12.8 -34.2 2 47.0 -0.5 335 17 316.7 316.7 288.0 317.8 0.30 13 697 3194 12.6 -34.4 2 47.0 -0.7 334 17 316.8 316.9 288.1 317.9 0.30 14 597 4467 3.0 -35.0 4 38.0 -6.5 307 15 320.0 320.1 289.1 321.2 0.33 15 569 4855 2.0 -39.0 3 41.0 -7.5 298 15 323.3 323.3 290.0 324.2 0.23 16 561 4969 2.4 296 14 325.1 17 513 5686 -0.7 -42.7 2 42.0 -9.8 280 13 329.8 329.8 291.8 330.4 0.17 18 500 5890 -2.5 -43.5 3 41.0 -10.9 275 13 330.0 330.0 291.9 330.6 0.16 19 441 6868 -10.7 -42.7 5 32.0 -16.5 278 16 331.7 331.7 292.4 332.5 0.20 20 400 7610 -15.7 -53.7 2 38.0 -20.5 280 19 334.6 334.6 293.0 334.8 0.06 21 368 8235 -20.3 -45.3 9 25.0 -23.8 274 19 336.5 336.6 293.6 337.3 0.18 22 325 9149 -25.1 -47.1 11 22.0 -27.8 266 19 342.1 342.1 295.0 342.8 0.17 23 318 9308 -24.7 -54.7 4 30.0 -27.8 264 19 344.8 344.8 295.6 345.1 0.07 24 300 9730 -27.7 -57.7 4 30.0 -30.3 260 19 346.3 346.4 295.8 346.6 0.05 25 250 11010 -39.3 -60.3 9 21.0 -40.4 265 23 347.6 347.6 296.1 347.8 0.05 26 235 11429 -43.1 -60.1 14 17.0 -43.9 258 24 348.1 348.1 296.3 348.3 0.05 27 223 11778 -46.5 -53.5 45 7.0 -46.9 252 24 348.1 348.2 296.3 348.6 0.12 28 222 11808 -46.9 -53.9 45 7.0 -47.2 252 24 348.0 348.0 296.3 348.4 0.11 29 219 11898 -47.3 -62.3 16 15.0 -47.8 250 24 348.7 348.7 296.4 348.9 0.04 30 200 12490 -51.9 -61.9 29 10.0 -52.2 240 25 350.6 350.6 296.8 350.8 0.05 31 175 13341 -59.3 -64.0 54 4.7 -59.4 226 28 352.0 352.1 297.1 352.2 0.04 32 167 13633 -61.7 -73.7 19 12.0 -61.8 221 29 352.8 352.8 297.3 352.8 0.01 33 164 13745 -62.3 -80.3 7 18.0 -62.4 219 29 353.6 353.6 297.4 353.6 0.00 34 150 14290 -67.1 -78.1 20 11.0 -67.2 210 31 354.5 354.5 297.6 354.5 0.01 35 142 14618 -70.1 -78.1 30 8.0 -70.1 203 28 354.9 354.9 297.7 354.9 0.01 36 102 16520 -83.5 -89.5 34 6.0 -83.5 162 10 364.3 364.3 299.5 364.3 0.00 37 100 16630 -84.1 -90.1 34 6.0 -84.1 160 9 365.2 365.2 299.7 365.2 0.00 TRP 100 16630 -84.1 -90.1 34 6.0 -84.1 160 9 365.2 365.2 299.7 365.2 0.00 WND Sounding variables and indices 1000-500 mb thick: 5747.00 m Freezing level: 523.84 mb = 5524.04 m = 18123.27 ft Wetbulb zero: 711.55 mb = 3020.01 m = 9908.04 ft Precipitable water: 1.21 inches Sfc-500 mean rel hum: 47.09 % Est. max temperature: 27.01 C = 80.63 F Sfc-Lift cond lev (LCL): 968.14 mb = 422.54 m = 1386.27 ft T: 19.97 C 700-500 lapse rate: 5.60 C/km ThetaE index: 20.15 C Layer 1000.0- 732.0 mb Conv cond level (CCL): 907.18 mb = 982.12 m = 3222.14 ft Mean mixing ratio: 12.81 g/kg Conv temperature: 25.66 C = 78.20 F Cap Strength: 7.95 C Lifted Index: 7.41 C Risk: None Lifted Index @300 mb: 10.78 C Lifted Index @700 mb: 7.51 C Showalter Index: 7.91 C Risk: None Total Totals Index: 30.60 C Risk: None Vertical Totals Index: 15.30 C Cross Totals Index: 15.30 C K Index: -18.90 Risk: None Sweat Index: 176.60 Risk: None Energy Index: -0.01 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 27.43 J/kg Max Up Vert Vel: 7.41 m/s Conv Inhibition (B-): 7.70 J/kg Cap Strength: 7.83 C Lift Cond Lev (LCL): 928.10 mb = 787.10 m = 2582.30 ft Lev Free Conv (LFC): 883.10 mb = 1211.51 m = 3974.71 ft Equ Level (EL): 753.10 mb = 2542.48 m = 8341.35 ft B at Equ Level: 24.37 J/kg Max Parcel Lev (MPL): 733.10 mb = 2768.40 m = 9082.56 ft Wind level data Storm motion: 353 at 8 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 7 330 1 0.5 -0.9 | 176 7 -0.5 7.2 1 1000 143 360 3 -0.0 -3.0 | 169 5 -1.0 5.0 2 925 816 35 1 -0.6 -0.8 | 168 7 -1.6 7.2 3 850 1535 75 5 -4.8 -1.3 | 139 9 -5.8 6.7 4 700 3158 335 17 7.2 -15.4 | 320 10 6.2 -7.4 5 500 5890 275 13 13.0 -1.1 | 240 14 11.9 6.9 6 400 7610 280 19 18.7 -3.3 | 255 18 17.7 4.7 7 300 9730 260 19 18.7 3.3 | 237 21 17.7 11.3 8 250 11010 265 23 22.9 2.0 | 245 24 21.9 10.0 9 200 12490 240 25 21.7 12.5 | 225 29 20.6 20.5 10 150 14290 210 31 15.5 26.8 | 203 38 14.5 34.9 11 100 16630 160 9 -3.1 8.5 | 166 17 -4.1 16.5 Wind Parameters Mean winds (0-6000m): 322.9 at 10.8 knts Storm direction: 352.9 at 8.1 knts Shear (0-3000m) pos: 0.9 neg: 2.8 tot: 3.7 10-3/s Storm rel Dir Shear (0-3000m): 159.6 deg Storm rel helicity (0-3000m) pos: 0.5 neg: -42.8 tot: -42.3 m^2/s^2 ave: -14.1 10^-3 m/s^2 rel: -0.82 Storm rel vorticity (0-3000m) horiz: 4.9 stream: -4.0 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 2.47 Bulk Shear: 11.12 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 4 2 168 6| 1.5 0.0 1.5| 0.0 -1.6 -1.6 -3.3 -0.32| 3.4 -1.1 1000 11 2 167 6| 1.1 0.0 1.1| 0.5 -3.6 -3.1 -3.1 -0.34| 2.8 -0.9 1500 41 2 157 7| 1.8 0.0 1.8| 0.5 -8.7 -8.2 -5.5 -0.51| 3.0 -1.5 2000 49 3 148 7| 1.3 1.2 2.6| 0.5 -19.0 -18.5 -9.2 -0.67| 3.5 -2.3 2500 35 5 137 6| 1.1 2.2 3.2| 0.5 -29.6 -29.1 -11.7 -0.77| 4.2 -3.2 3000 10 6 129 3| 0.9 2.8 3.7| 0.5 -42.8 -42.3 -14.1 -0.82| 4.9 -4.0 4000 345 9 291 1| 0.7 2.4 3.0| 0.5 -62.4 -61.9 -15.5 -0.84| 4.8 -4.0 5000 333 10 285 4| 0.5 1.9 2.4| 0.5 -79.3 -78.8 -15.8 -0.86| 4.4 -3.8 6000 323 11 276 6| 0.4 1.5 2.0| 1.4 -94.7 -93.3 -15.5 -0.86| 4.1 -3.5 Wrote GIF file: /home/apache/climate/data/raob//VVDN/skewt/VVDN.skewt.20251228.12.gif