UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042012.upa.cvt Date: 1200Z 20 APR 25 Searching for VVDN... Searching the city database file for: VVDN ... Date:1200Z 20 APR 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 1008 7 26.2 23.6 86 2.6 24.3 105 3 298.7 302.0 297.2 352.6 18.49 1 1000 73 25.2 23.4 90 1.8 23.9 110 7 298.4 301.7 297.1 352.0 18.41 2 993 135 24.6 23.2 92 1.4 23.6 113 7 298.3 301.7 297.0 351.7 18.32 3 971 333 26.8 22.3 76 4.5 23.5 123 8 302.5 305.8 297.7 354.9 17.72 4 955 480 25.6 21.6 79 4.0 22.7 131 8 302.7 305.9 297.4 353.8 17.25 5 927 744 27.6 16.6 51 11.0 19.9 144 9 307.3 309.8 295.8 346.3 12.92 6 925 763 27.6 16.6 51 11.0 19.9 145 9 307.5 310.0 295.9 346.6 12.95 7 910 908 27.2 12.2 39 15.0 17.3 143 9 308.6 310.4 294.0 338.5 9.86 8 852 1487 22.2 16.2 69 6.0 18.0 135 7 309.2 311.8 296.8 350.9 13.72 9 850 1507 22.2 15.2 65 7.0 17.4 135 7 309.4 311.8 296.3 348.6 12.89 10 821 1809 21.4 2.4 28 19.0 10.6 140 8 311.6 312.7 291.4 329.0 5.54 11 819 1830 21.4 -1.6 21 23.0 9.2 141 8 311.9 312.6 290.3 325.0 4.15 12 812 1904 20.4 9.4 49 11.0 13.4 142 8 311.6 313.3 294.3 339.8 9.16 13 781 2239 17.4 11.4 68 6.0 13.4 148 9 311.8 313.9 295.6 345.4 10.91 14 771 2349 17.8 -3.2 24 21.0 6.9 150 9 313.4 314.2 290.5 325.9 3.91 15 732 2791 14.0 7.0 63 7.0 9.7 158 10 313.9 315.6 294.5 340.8 8.62 16 724 2883 13.2 6.2 62 7.0 8.9 160 10 314.1 315.6 294.3 339.8 8.24 17 700 3167 12.0 1.0 47 11.0 5.9 165 11 315.8 316.9 292.9 334.4 5.89 18 687 3324 11.4 -2.6 37 14.0 4.1 164 11 316.8 317.7 292.2 331.6 4.60 19 680 3409 11.8 -11.2 19 23.0 1.6 164 11 318.2 318.6 290.6 326.1 2.39 20 632 4018 8.2 -17.8 14 26.0 -1.8 160 12 320.8 321.1 290.5 325.9 1.49 21 582 4692 3.4 -11.6 32 15.0 -3.1 157 12 322.9 323.4 292.2 331.9 2.70 22 500 5910 -3.1 -30.1 10 27.0 -10.5 150 13 329.3 329.4 292.2 331.6 0.63 23 455 6645 -8.5 -29.5 17 21.0 -14.0 148 13 331.5 331.6 292.9 334.2 0.73 24 431 7062 -10.5 -43.5 5 33.0 -16.5 147 13 334.1 334.2 293.0 334.9 0.19 25 400 7630 -13.5 -39.5 9 26.0 -18.5 145 13 337.4 337.5 294.0 338.7 0.31 26 387 7881 -14.5 -34.5 17 20.0 -18.9 128 12 339.3 339.4 294.7 341.4 0.53 27 349 8656 -21.1 -37.1 22 16.0 -24.0 76 7 340.6 340.7 294.9 342.4 0.45 28 309 9547 -26.3 -57.3 4 31.0 -29.1 15 1 345.4 345.4 295.7 345.6 0.05 29 300 9760 -28.1 -57.1 4 29.0 -30.6 0 0 345.8 345.8 295.7 346.0 0.06 30 250 11040 -38.3 -59.3 9 21.0 -39.5 135 7 349.1 349.1 296.5 349.3 0.05 31 241 11291 -40.3 -62.3 8 22.0 -41.3 160 6 349.8 349.8 296.6 350.0 0.04 32 225 11754 -44.5 -58.5 20 14.0 -45.1 206 5 350.3 350.3 296.8 350.6 0.06 33 220 11904 -45.9 -52.9 45 7.0 -46.3 221 5 350.4 350.4 296.8 350.9 0.13 34 200 12530 -50.9 -55.5 58 4.6 -51.1 285 3 352.2 352.2 297.2 352.6 0.10 35 193 12761 -52.5 -56.7 60 4.2 -52.7 287 3 353.2 353.2 297.4 353.6 0.09 36 186 12998 -54.7 -57.6 70 2.9 -54.8 289 4 353.4 353.4 297.4 353.8 0.09 37 166 13712 -61.7 -67.7 45 6.0 -61.8 295 6 353.4 353.4 297.4 353.5 0.03 38 154 14171 -66.1 -70.5 54 4.4 -66.1 299 7 353.5 353.5 297.4 353.6 0.02 39 150 14330 -67.3 -72.3 49 5.0 -67.4 300 7 354.2 354.2 297.5 354.2 0.01 40 140 14742 -70.1 -73.6 60 3.5 -70.1 320 8 356.3 356.3 298.0 356.4 0.01 41 117 15794 -75.3 -84.3 23 9.0 -75.3 12 12 365.5 365.5 299.7 365.5 0.00 42 101 16634 -80.3 -86.3 36 6.0 -80.3 55 15 371.5 371.5 300.8 371.5 0.00 43 100 16690 -79.9 -85.9 36 6.0 -79.9 60 17 373.4 373.4 301.1 373.4 0.00 TRP 101 16634 -80.3 -86.3 36 6.0 -80.3 55 15 371.5 371.5 300.8 371.5 0.00 WND Sounding variables and indices 1000-500 mb thick: 5837.00 m Freezing level: 539.11 mb = 5329.25 m = 17484.19 ft Wetbulb zero: 657.38 mb = 3690.50 m = 12107.79 ft Precipitable water: 1.57 inches Sfc-500 mean rel hum: 40.01 % Est. max temperature: 36.69 C = 98.03 F Sfc-Lift cond lev (LCL): 971.04 mb = 332.66 m = 1091.38 ft T: 26.80 C 700-500 lapse rate: 5.50 C/km ThetaE index: 25.91 C Layer 850.0- 812.0 mb Conv cond level (CCL): 758.36 mb = 2489.77 m = 8168.42 ft Mean mixing ratio: 15.85 g/kg Conv temperature: 41.16 C = 106.09 F Cap Strength: 5.42 C Lifted Index: -0.31 C Risk: Thunderstorms probable Lifted Index @300 mb: 0.06 C Lifted Index @700 mb: 1.32 C Showalter Index: 0.34 C Risk: Thunderstorms probable Total Totals Index: 43.60 C Risk: None Vertical Totals Index: 25.30 C Cross Totals Index: 18.30 C K Index: 29.50 Risk: 40-60 % chance of thunderstorms Sweat Index: 209.40 Risk: None Energy Index: -3.15 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 149.48 J/kg Max Up Vert Vel: 17.29 m/s Conv Inhibition (B-): 371.26 J/kg Cap Strength: 5.42 C Lift Cond Lev (LCL): 876.36 mb = 1238.88 m = 4064.52 ft Lev Free Conv (LFC): 581.36 mb = 4701.12 m = 15423.43 ft Equ Level (EL): 311.36 mb = 9491.04 m = 31138.21 ft B at Equ Level: 149.11 J/kg Max Parcel Lev (MPL): 171.36 mb = 13512.60 m = 44332.15 ft Wind level data Storm motion: 182 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 1008 7 105 3 -2.9 0.8 | 25 8 -3.2 -6.9 1 1000 73 110 7 -6.6 2.4 | 52 9 -6.8 -5.3 2 925 763 145 9 -5.2 7.4 | 87 5 -5.4 -0.3 3 850 1507 135 7 -4.9 4.9 | 63 6 -5.2 -2.7 4 700 3167 165 11 -2.8 10.6 | 134 4 -3.1 3.0 5 500 5910 150 13 -6.5 11.3 | 118 8 -6.8 3.6 6 400 7630 145 13 -7.5 10.6 | 111 8 -7.7 3.0 7 300 9760 0 0 -0.0 -0.0 | 2 8 -0.3 -7.7 8 250 11040 135 7 -4.9 4.9 | 63 6 -5.2 -2.7 9 200 12530 285 3 2.9 -0.8 | 343 9 2.6 -8.4 10 150 14330 300 7 6.1 -3.5 | 332 13 5.8 -11.2 11 101 16634 55 15 -12.3 -8.6 | 38 21 -12.5 -16.3 12 100 16690 60 17 -14.7 -8.5 | 43 22 -15.0 -16.2 Wind Parameters Mean winds (0-6000m): 151.9 at 10.2 knts Storm direction: 181.9 at 7.7 knts Shear (0-3000m) pos: 1.9 neg: 0.3 tot: 2.2 10-3/s Storm rel Dir Shear (0-3000m): 100.2 deg Storm rel helicity (0-3000m) pos: 22.2 neg: -3.4 tot: 18.9 m^2/s^2 ave: 6.3 10^-3 m/s^2 rel: 0.65 Storm rel vorticity (0-3000m) horiz: 2.9 stream: 1.9 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 37.30 Bulk Shear: 4.01 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 ------------------------------------------------------------------------------- 500 121 7 59 8| 5.9 0.0 5.9| 13.1 0.0 13.1 26.1 0.90| 7.3 6.6 1000 132 8 70 7| 3.2 0.0 3.2| 15.5 -1.0 14.5 14.5 0.74| 5.0 3.7 1500 135 8 70 6| 2.1 0.6 2.7| 15.5 -3.4 12.1 8.1 0.50| 3.9 1.9 2000 136 8 70 6| 2.0 0.4 2.4| 17.7 -3.4 14.4 7.2 0.55| 3.4 1.9 2500 139 8 74 6| 1.9 0.3 2.3| 20.0 -3.4 16.6 6.6 0.60| 3.1 1.8 3000 144 8 80 5| 1.9 0.3 2.2| 22.2 -3.4 18.9 6.3 0.65| 2.9 1.9 4000 150 9 92 5| 1.5 0.2 1.7| 23.0 -3.9 19.1 4.8 0.60| 2.4 1.4 5000 152 10 100 5| 1.2 0.2 1.4| 23.0 -4.8 18.2 3.6 0.53| 2.1 1.1 6000 152 10 105 5| 1.0 0.3 1.3| 23.0 -6.0 17.0 2.8 0.47| 1.8 0.9 Wrote GIF file: /home/apache/climate/data/raob//VVDN/skewt/VVDN.skewt.20250420.12.gif