UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025060412.upa.cvt Date: 1200Z 4 JUN 25 Searching for VVNB... Searching the city database file for: VVNB ... Date:1200Z 4 JUN 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 1005 6 31.2 24.2 66 7.0 26.0 260 1 303.9 307.5 299.0 361.3 19.25 1 1000 55 31.0 24.0 66 7.0 25.8 0 0 304.1 307.7 299.0 361.2 19.11 2 925 749 24.2 23.0 93 1.2 23.3 110 9 304.1 307.7 299.1 362.1 19.46 3 880 1186 21.2 20.8 98 0.4 20.9 98 7 305.3 308.6 298.4 358.7 17.84 4 850 1487 19.6 18.8 95 0.8 19.1 90 5 306.7 309.7 297.8 355.7 16.28 5 780 2225 16.0 15.4 96 0.6 15.6 132 5 310.4 313.1 297.5 354.0 14.26 6 739 2685 14.6 11.8 83 2.8 12.7 158 5 313.7 316.0 296.7 350.5 11.86 7 700 3143 11.6 10.3 92 1.3 10.7 185 5 315.3 317.5 296.8 350.6 11.32 8 627 4055 6.0 4.5 90 1.5 5.1 187 6 319.0 320.7 295.7 345.9 8.46 9 606 4334 6.4 1.4 70 5.0 3.5 187 6 322.6 324.0 295.6 345.3 7.01 10 500 5890 -1.3 -11.3 46 10.0 -5.8 190 7 331.5 332.1 294.9 342.5 3.23 11 488 6083 -2.3 -13.3 43 11.0 -7.0 192 7 332.5 333.1 294.8 342.3 2.81 12 444 6825 -7.5 -14.5 57 7.0 -10.4 198 9 335.1 335.7 295.5 344.9 2.80 13 400 7630 -12.3 -21.3 47 9.0 -15.3 205 11 339.0 339.4 295.6 345.3 1.75 14 385 7922 -14.5 -24.5 42 10.0 -17.4 192 10 339.8 340.1 295.5 344.9 1.37 15 310 9540 -23.3 -49.3 7 26.0 -26.6 121 7 349.3 349.3 296.6 349.8 0.14 16 308 9588 -23.7 -48.7 8 25.0 -26.9 119 7 349.3 349.4 296.6 350.0 0.15 17 300 9780 -25.3 -42.3 19 17.0 -27.9 110 7 349.7 349.8 296.8 351.0 0.31 18 282 10224 -28.3 -45.3 18 17.0 -30.5 107 8 351.7 351.7 297.2 352.6 0.24 19 262 10744 -33.1 -41.1 45 8.0 -34.1 103 8 352.1 352.2 297.4 353.7 0.40 20 250 11070 -35.9 -44.9 39 9.0 -36.8 100 9 352.7 352.8 297.4 353.8 0.28 21 242 11295 -37.7 -48.7 31 11.0 -38.7 105 11 353.3 353.3 297.5 354.1 0.19 22 202 12514 -47.9 -51.6 65 3.7 -48.1 133 24 355.9 355.9 298.0 356.6 0.16 23 200 12580 -48.5 -55.5 44 7.0 -48.8 135 25 356.0 356.0 298.0 356.4 0.10 24 199 12613 -48.7 -56.7 39 8.0 -49.0 135 25 356.2 356.2 298.0 356.6 0.09 25 195 12747 -49.9 -52.4 75 2.5 -50.0 134 25 356.3 356.4 298.1 357.0 0.15 26 189 12951 -51.9 -57.9 48 6.0 -52.1 132 26 356.3 356.3 298.0 356.7 0.08 27 177 13374 -55.7 -59.3 64 3.6 -55.8 129 27 356.8 356.8 298.1 357.1 0.07 28 167 13743 -58.7 -72.7 15 14.0 -58.9 126 28 357.8 357.8 298.2 357.8 0.01 29 157 14129 -61.9 -76.9 12 15.0 -62.0 122 28 358.7 358.7 298.5 358.8 0.01 30 150 14410 -64.3 -80.3 9 16.0 -64.4 120 29 359.3 359.3 298.5 359.3 0.00 31 118 15831 -76.1 -86.1 19 10.0 -76.1 114 33 363.1 363.1 299.3 363.1 0.00 32 114 16030 -74.9 -86.9 14 12.0 -74.9 113 33 368.9 368.9 300.4 368.9 0.00 33 100 16780 -79.3 -86.3 31 7.0 -79.3 110 35 374.5 374.5 301.4 374.5 0.00 TRP WND Sounding variables and indices 1000-500 mb thick: 5835.00 m Freezing level: 517.90 mb = 5627.32 m = 18462.11 ft Wetbulb zero: 565.78 mb = 4889.91 m = 16042.82 ft Precipitable water: 2.65 inches Sfc-500 mean rel hum: 80.83 % Est. max temperature: 33.73 C = 92.72 F Sfc-Lift cond lev (LCL): 908.75 mb = 904.18 m = 2966.43 ft T: 23.13 C 700-500 lapse rate: 4.70 C/km ThetaE index: 11.68 C Layer 880.0- 700.0 mb Conv cond level (CCL): 896.88 mb = 1019.39 m = 3344.43 ft Mean mixing ratio: 19.24 g/kg Conv temperature: 32.12 C = 89.81 F Cap Strength: 0.42 C Lifted Index: -2.20 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -2.82 C Lifted Index @700 mb: -1.95 C Showalter Index: -0.27 C Risk: Thunderstorms probable Total Totals Index: 41.00 C Risk: None Vertical Totals Index: 20.90 C Cross Totals Index: 20.10 C K Index: 38.40 Risk: > 80 % chance of thunderstorms Sweat Index: 242.60 Risk: None Energy Index: -2.57 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 1348.16 J/kg Max Up Vert Vel: 51.93 m/s Conv Inhibition (B-): 1.85 J/kg Cap Strength: 0.42 C Lift Cond Lev (LCL): 906.12 mb = 929.59 m = 3049.81 ft Lev Free Conv (LFC): 891.12 mb = 1075.77 m = 3529.38 ft Equ Level (EL): 121.12 mb = 15676.45 m = 51431.28 ft B at Equ Level: 1317.83 J/kg Wind level data Storm motion: 190 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 1005 6 260 1 1.0 0.2 | 356 4 0.3 -4.0 1 1000 55 0 0 -0.0 -0.0 | 10 4 -0.7 -4.2 2 925 749 110 9 -8.5 3.1 | 83 9 -9.2 -1.1 3 850 1487 90 5 -5.0 0.0 | 54 7 -5.7 -4.2 4 700 3143 185 5 0.4 5.0 | 160 1 -0.3 0.8 5 500 5890 190 7 1.2 6.9 | 190 3 0.5 2.7 6 400 7630 205 11 4.6 10.0 | 214 7 3.9 5.8 7 300 9780 110 7 -6.6 2.4 | 76 8 -7.3 -1.8 8 250 11070 100 9 -8.9 1.6 | 75 10 -9.6 -2.6 9 200 12580 135 25 -17.7 17.7 | 126 23 -18.4 13.5 10 150 14410 120 29 -25.1 14.5 | 112 28 -25.8 10.3 11 100 16780 110 35 -32.9 12.0 | 103 34 -33.6 7.8 Wind Parameters Mean winds (0-6000m): 159.7 at 5.7 knts Storm direction: 189.7 at 4.2 knts Shear (0-3000m) pos: 1.3 neg: 0.5 tot: 1.8 10-3/s Storm rel Dir Shear (0-3000m): 133.6 deg Storm rel helicity (0-3000m) pos: 29.2 neg: -8.0 tot: 21.1 m^2/s^2 ave: 7.0 10^-3 m/s^2 rel: 0.49 Storm rel vorticity (0-3000m) horiz: 4.3 stream: 2.1 10^-3/s Energy-Hel index: 0.22 Bulk Rich Number: 264.41 Bulk Shear: 5.10 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 71 3 33 6| 7.0 0.0 7.0| 10.6 0.0 10.6 21.1 0.74| 8.0 5.9 1000 109 5 67 6| 4.4 0.0 4.4| 23.6 -2.8 20.8 20.8 0.69| 7.5 5.2 1500 105 6 66 7| 2.9 1.0 3.9| 23.6 -8.0 15.5 10.4 0.43| 6.0 2.6 2000 105 5 66 7| 2.2 0.7 3.0| 26.6 -8.0 18.6 9.3 0.47| 5.2 2.4 2500 110 5 68 6| 1.7 0.6 2.3| 28.4 -8.0 20.3 8.1 0.48| 4.7 2.2 3000 117 5 72 6| 1.3 0.5 1.8| 29.2 -8.0 21.1 7.0 0.49| 4.3 2.1 4000 134 5 83 5| 1.0 0.4 1.3| 29.4 -8.0 21.4 5.3 0.50| 3.4 1.7 5000 149 5 97 4| 0.8 0.3 1.1| 29.5 -8.0 21.5 4.3 0.49| 2.8 1.4 6000 160 6 113 3| 0.8 0.2 1.0| 29.8 -8.0 21.7 3.6 0.49| 2.4 1.2 Wrote GIF file: /home/apache/climate/data/raob//VVNB/skewt/VVNB.skewt.20250604.12.gif