UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041512.upa.cvt Date: 1200Z 15 APR 25 Searching for VVNB... Searching the city database file for: VVNB ... Date:1200Z 15 APR 25 Station: VVNB WMO ident: 48820 Latitude: 21.02 Longitude: 105.80 Elevation: 6.00 ------------------------------------------------------------------------------- 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 1009 6 29.6 13.6 38 16.0 19.1 135 1 302.0 303.8 291.9 330.8 9.74 1 1000 86 29.4 13.4 37 16.0 18.9 145 7 302.5 304.3 292.1 331.3 9.70 2 968 375 26.8 13.8 45 13.0 18.2 145 9 302.8 304.7 292.6 333.3 10.29 3 925 774 24.0 9.0 38 15.0 14.8 145 11 303.8 305.3 290.9 327.3 7.81 4 921 812 23.6 8.6 38 15.0 14.4 144 11 303.8 305.2 290.7 326.7 7.63 5 880 1207 22.8 -17.2 6 40.0 6.9 133 11 307.0 307.2 285.5 310.7 1.13 6 850 1507 20.4 -18.6 6 39.0 5.5 125 11 307.5 307.7 285.7 310.9 1.04 7 797 2058 16.0 -19.0 8 35.0 3.0 178 10 308.5 308.7 286.1 312.1 1.07 8 786 2175 15.6 -20.4 7 36.0 2.6 190 10 309.3 309.5 286.2 312.5 0.96 9 752 2549 13.4 -10.6 18 24.0 2.9 226 10 310.9 311.3 288.2 318.2 2.26 10 729 2809 12.2 6.2 67 6.0 8.6 252 9 312.3 313.9 293.7 337.7 8.19 11 705 3089 10.4 7.2 81 3.2 8.4 279 9 313.4 315.1 294.7 341.5 9.08 12 700 3148 10.2 6.6 78 3.6 8.0 285 9 313.8 315.5 294.6 341.1 8.77 13 663 3598 8.6 -0.4 53 9.0 3.7 282 11 316.9 318.0 293.0 334.8 5.61 14 612 4255 4.2 -0.6 71 4.8 1.6 277 15 319.2 320.3 293.9 338.4 5.99 15 518 5599 -1.3 -10.3 50 9.0 -5.3 267 22 328.1 328.8 294.2 339.5 3.37 16 500 5880 -3.3 -12.3 50 9.0 -7.1 265 23 329.0 329.6 294.1 339.2 2.98 17 494 5975 -4.3 -11.3 58 7.0 -7.4 328.9 329.6 294.3 340.0 3.27 18 485 6120 -4.5 -17.5 35 13.0 -9.4 330.4 330.8 293.7 337.4 1.99 19 452 6670 -8.7 -16.7 52 8.0 -11.7 331.9 332.3 294.3 339.9 2.29 TRP WND Sounding variables and indices 1000-500 mb thick: 5794.00 m Freezing level: 540.22 mb = 5281.32 m = 17326.97 ft Wetbulb zero: 590.31 mb = 4545.89 m = 14914.16 ft Precipitable water: 1.07 inches Sfc-500 mean rel hum: 43.82 % Est. max temperature: 34.99 C = 94.98 F Sfc-Lift cond lev (LCL): 799.23 mb = 2033.63 m = 6671.94 ft T: 16.19 C 700-500 lapse rate: 4.94 C/km ThetaE index: 22.64 C Layer 925.0- 850.0 mb Conv cond level (CCL): 623.95 mb = 4096.47 m = 13439.69 ft Mean mixing ratio: 8.98 g/kg Conv temperature: 46.29 C = 115.32 F Cap Strength: 8.20 C Lifted Index: 7.99 C Risk: None Lifted Index @700 mb: 5.90 C Showalter Index: 17.63 C Risk: None Total Totals Index: 8.40 C Risk: None Vertical Totals Index: 23.70 C Cross Totals Index: -15.30 C K Index: 1.50 Risk: None Sweat Index: 45.00 Risk: None Energy Index: 5.68 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 7.01 J/kg Max Up Vert Vel: 3.74 m/s Conv Inhibition (B-): 1218.29 J/kg Cap Strength: 8.10 C Lift Cond Lev (LCL): 771.99 mb = 2327.29 m = 7635.36 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 279 at 10 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 1009 6 135 1 -0.7 0.7 | 103 10 -10.2 2.3 1 1000 86 145 7 -4.0 5.7 | 118 15 -13.5 7.3 2 925 774 145 11 -6.3 9.0 | 124 19 -15.8 10.6 3 850 1507 125 11 -9.0 6.3 | 113 20 -18.5 7.9 4 700 3148 285 9 8.7 -2.3 | 46 1 -0.8 -0.8 5 500 5880 265 23 22.9 2.0 | 255 14 13.4 3.6 Wind Parameters Mean winds (0-6000m): 249.4 at 12.8 knts Storm direction: 279.4 at 9.6 knts Shear (0-3000m) pos: 2.3 neg: 0.7 tot: 3.0 10-3/s Storm rel Dir Shear (0-3000m): 65.0 deg Storm rel helicity (0-3000m) pos: 78.0 neg: -18.4 tot: 59.6 m^2/s^2 ave: 19.9 10^-3 m/s^2 rel: 0.41 Storm rel vorticity (0-3000m) horiz: 6.8 stream: 2.7 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.20 Bulk Shear: 35.64 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 ------------------------------------------------------------------------------- 500 145 8 119 16| 8.7 0.0 8.7| 16.0 0.0 16.0 32.0 0.54| 8.8 4.7 1000 144 9 121 17| 4.4 1.0 5.3| 18.1 -5.1 13.0 13.0 0.36| 5.7 2.1 1500 139 10 120 18| 2.9 1.3 4.2| 18.1 -18.3 -0.2 -0.1 0.11| 4.7 0.5 2000 142 10 121 18| 3.0 1.0 3.9| 57.0 -18.3 38.7 19.4 0.42| 5.9 2.4 2500 149 10 125 18| 2.8 0.8 3.6| 75.2 -18.3 56.9 22.8 0.47| 6.5 3.0 3000 149 10 125 18| 2.3 0.7 3.0| 78.0 -18.4 59.6 19.9 0.41| 6.8 2.7 4000 177 10 140 15| 1.9 0.2 2.1| 78.0 -19.7 58.3 14.6 0.25| 6.0 1.5 5000 234 11 178 8| 1.5 0.4 2.0| 78.0 -22.3 55.7 11.1 0.19| 5.3 1.0 6000 NO DATA | 1.4 0.7 2.1| | Wrote GIF file: /home/apache/climate/data/raob//VVNB/skewt/VVNB.skewt.20250415.12.gif