UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025122300.upa.cvt Date: 0000Z 23 DEC 25 Searching for VVDN... Searching the city database file for: VVDN ... Date:0000Z 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 1014 7 23.8 22.5 92 1.3 22.9 0 0 295.8 298.9 295.6 345.2 17.16 1 1000 127 23.0 21.4 91 1.6 21.9 70 1 296.1 299.1 295.0 343.0 16.25 2 925 804 18.6 16.4 87 2.2 17.1 95 15 298.3 300.7 293.2 335.5 12.78 3 850 1526 14.4 11.5 83 2.9 12.6 110 7 301.2 303.1 292.0 331.0 10.08 4 840 1626 14.0 9.5 74 4.5 11.3 118 7 301.8 303.5 291.2 328.2 8.91 5 800 2036 11.0 10.8 99 0.2 10.9 151 7 302.9 304.8 292.6 333.2 10.22 6 786 2183 9.8 8.1 89 1.7 8.8 162 7 303.1 304.7 291.4 328.9 8.66 7 759 2475 11.6 2.6 54 9.0 6.6 186 7 308.1 309.3 290.8 326.8 6.09 8 720 2916 10.4 -7.6 27 18.0 2.1 221 7 311.5 312.0 289.0 321.1 3.00 9 704 3103 9.0 -7.0 32 16.0 1.6 236 7 311.9 312.6 289.4 322.2 3.21 10 700 3150 8.6 -7.4 31 16.0 1.3 240 7 312.0 312.6 289.3 322.0 3.13 11 676 3437 7.2 -12.8 23 20.0 -1.0 235 7 313.6 314.0 288.9 320.5 2.11 12 664 3585 10.2 -33.8 3 44.0 -2.1 232 7 318.6 318.6 288.6 319.8 0.33 13 580 4691 1.6 -38.4 3 40.0 -7.7 212 6 321.1 321.1 289.3 322.0 0.24 14 550 5119 2.2 -44.8 2 47.0 -7.8 204 6 326.7 326.7 290.9 327.2 0.13 15 500 5880 -3.7 -41.7 3 38.0 -11.6 190 5 328.5 328.6 291.5 329.3 0.20 16 467 6413 -7.5 -41.5 5 34.0 -14.2 234 14 330.3 330.3 292.0 331.1 0.22 17 407 7468 -12.9 -37.9 10 25.0 -18.0 324 33 336.5 336.6 293.8 337.9 0.36 18 400 7600 -14.1 -38.1 11 24.0 -18.8 335 35 336.7 336.7 293.9 338.0 0.36 19 300 9710 -31.1 -60.1 4 29.0 -33.1 315 15 341.5 341.6 294.7 341.7 0.04 20 271 10424 -35.5 -65.5 3 30.0 -37.0 295 17 345.2 345.2 295.6 345.3 0.02 21 250 10980 -40.7 -65.7 5 25.0 -41.7 280 19 345.6 345.6 295.7 345.7 0.02 22 200 12460 -52.7 -72.7 7 20.0 -53.1 255 29 349.3 349.3 296.5 349.4 0.01 23 170 13487 -61.7 -74.7 16 13.0 -61.8 252 26 351.0 351.0 296.8 351.0 0.01 24 150 14250 -67.7 -77.7 23 10.0 -67.8 250 23 353.5 353.5 297.4 353.5 0.01 25 130 15100 -74.3 -80.3 39 6.0 -74.3 296 18 356.4 356.4 298.0 356.4 0.00 26 115 15810 -77.3 -85.3 27 8.0 -77.3 335 14 363.5 363.6 299.4 363.6 0.00 27 100 16610 -79.1 -88.1 21 9.0 -79.1 20 9 374.9 374.9 301.4 374.9 0.00 TRP WND Sounding variables and indices 1000-500 mb thick: 5753.00 m Freezing level: 531.36 mb = 5402.93 m = 17725.93 ft Wetbulb zero: 686.52 mb = 3310.10 m = 10859.77 ft Precipitable water: 1.34 inches Sfc-500 mean rel hum: 41.89 % Est. max temperature: 28.72 C = 83.70 F Sfc-Lift cond lev (LCL): 995.34 mb = 167.54 m = 549.66 ft T: 22.74 C 700-500 lapse rate: 4.51 C/km ThetaE index: 16.92 C Layer 1000.0- 800.0 mb Conv cond level (CCL): 921.19 mb = 839.23 m = 2753.35 ft Mean mixing ratio: 14.59 g/kg Conv temperature: 26.51 C = 79.72 F Cap Strength: 4.88 C Lifted Index: 3.31 C Risk: None Lifted Index @300 mb: 3.33 C Lifted Index @700 mb: 1.08 C Showalter Index: 7.06 C Risk: None Total Totals Index: 33.30 C Risk: None Vertical Totals Index: 18.10 C Cross Totals Index: 15.20 C K Index: 13.60 Risk: None Sweat Index: 157.00 Risk: None Energy Index: -0.11 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 49.44 J/kg Max Up Vert Vel: 9.94 m/s Conv Inhibition (B-): 4.18 J/kg Cap Strength: 4.82 C Lift Cond Lev (LCL): 938.47 mb = 678.49 m = 2225.98 ft Lev Free Conv (LFC): 893.47 mb = 1100.16 m = 3609.40 ft Equ Level (EL): 763.47 mb = 2426.12 m = 7959.61 ft B at Equ Level: 48.15 J/kg Max Parcel Lev (MPL): 673.47 mb = 3468.33 m = 11378.90 ft Wind level data Storm motion: 200 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 1014 7 0 0 -0.0 -0.0 | 20 5 -1.8 -4.9 1 1000 127 70 1 -0.9 -0.3 | 28 6 -2.7 -5.2 2 925 804 95 15 -14.9 1.3 | 78 17 -16.7 -3.6 3 850 1526 110 7 -6.6 2.4 | 73 9 -8.4 -2.5 4 700 3150 240 7 6.1 3.5 | 288 4 4.3 -1.4 5 500 5880 190 5 0.9 4.9 | 91 1 -0.9 0.0 6 400 7600 335 35 14.8 -31.7 | 340 39 13.0 -36.6 7 300 9710 315 15 10.6 -10.6 | 330 18 8.8 -15.5 8 250 10980 280 19 18.7 -3.3 | 296 19 16.9 -8.2 9 200 12460 255 29 28.0 7.5 | 264 26 26.2 2.6 10 150 14250 250 23 21.6 7.9 | 262 20 19.8 3.0 11 100 16610 20 9 -3.1 -8.5 | 20 14 -4.9 -13.4 Wind Parameters Mean winds (0-6000m): 170.1 at 7.0 knts Storm direction: 200.1 at 5.2 knts Shear (0-3000m) pos: 1.2 neg: 0.0 tot: 1.2 10-3/s Storm rel Dir Shear (0-3000m): -105.6 deg Storm rel helicity (0-3000m) pos: 42.6 neg: -2.5 tot: 40.1 m^2/s^2 ave: 13.4 10^-3 m/s^2 rel: 0.54 Storm rel vorticity (0-3000m) horiz: 6.6 stream: 3.5 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 6.09 Bulk Shear: 8.12 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 82 4 46 8| 9.1 0.0 9.1| 12.9 0.0 12.9 25.9 0.64| 9.3 6.0 1000 94 8 67 11| 6.6 0.0 6.6| 30.3 0.0 30.3 30.3 0.57| 9.3 5.3 1500 97 9 70 11| 2.5 0.0 2.5| 30.3 -2.5 27.8 18.5 0.39| 8.2 3.2 2000 103 8 73 10| 1.8 0.0 1.8| 36.7 -2.5 34.2 17.1 0.45| 7.4 3.3 2500 111 8 78 10| 1.4 0.0 1.4| 40.1 -2.5 37.6 15.1 0.49| 6.9 3.3 3000 116 8 81 9| 1.2 0.0 1.2| 42.6 -2.5 40.1 13.4 0.54| 6.6 3.5 4000 136 8 95 7| 0.9 0.1 1.0| 43.5 -3.1 40.4 10.1 0.50| 5.3 2.7 5000 159 7 113 5| 0.7 0.3 1.0| 43.5 -3.3 40.2 8.0 0.47| 4.5 2.1 6000 170 7 123 4| 0.7 0.3 1.1| 44.0 -3.4 40.6 6.8 0.46| 4.1 1.9 Wrote GIF file: /home/apache/climate/data/raob//VVDN/skewt/VVDN.skewt.20251223.00.gif