UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025060900.upa.cvt Date: 0000Z 9 JUN 25 Searching for VVNB... Searching the city database file for: VVNB ... Date:0000Z 9 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 26.4 24.5 89 1.9 25.0 10 1 299.1 302.7 298.0 356.5 19.61 1 1000 46 26.2 24.4 90 1.8 24.9 10 1 299.4 302.9 298.0 356.7 19.59 2 925 732 22.8 20.1 85 2.7 20.9 345 7 302.6 305.6 296.8 350.6 16.22 3 850 1471 20.8 19.3 91 1.5 19.7 265 5 307.9 311.1 298.5 358.8 16.81 4 700 3131 12.4 9.8 84 2.6 10.7 275 9 316.2 318.3 296.7 350.4 10.94 5 500 5870 -2.9 -7.9 68 5.0 -5.3 235 13 329.5 330.4 295.2 343.8 4.22 6 400 7610 -12.9 -19.9 56 7.0 -15.3 170 9 338.2 338.6 295.6 345.3 1.97 7 300 9750 -26.3 -28.2 84 1.9 -26.8 40 9 348.3 348.6 297.3 353.1 1.25 8 250 11040 -36.1 -40.4 64 4.3 -36.7 80 7 352.4 352.5 297.5 354.2 0.45 9 200 12550 -49.1 -53.8 58 4.7 -49.3 50 13 355.0 355.0 297.8 355.6 0.13 10 150 14370 -64.3 -71.3 38 7.0 -64.4 105 33 359.3 359.3 298.6 359.4 0.02 11 102 16619 -81.9 -86.5 45 4.6 -81.9 90 31 367.4 367.4 300.1 367.4 0.00 12 100 16730 -80.9 -86.9 36 6.0 -80.9 95 31 371.4 371.4 300.8 371.4 0.00 TRP 102 16619 -81.9 -86.5 45 4.6 -81.9 90 31 367.4 367.4 300.1 367.4 0.00 WND Sounding variables and indices 1000-500 mb thick: 5824.00 m Freezing level: 537.91 mb = 5350.84 m = 17555.04 ft Wetbulb zero: 565.93 mb = 4861.74 m = 15950.40 ft Precipitable water: 2.68 inches Sfc-500 mean rel hum: 82.17 % Est. max temperature: 34.85 C = 94.74 F Sfc-Lift cond lev (LCL): 978.10 mb = 240.84 m = 790.16 ft T: 25.23 C 700-500 lapse rate: 5.59 C/km ThetaE index: 15.03 C Layer 700.0- 400.0 mb Conv cond level (CCL): 828.03 mb = 1694.92 m = 5560.70 ft Mean mixing ratio: 17.65 g/kg Conv temperature: 36.34 C = 97.42 F Cap Strength: 2.26 C Lifted Index: -1.16 C Risk: Thunderstorms probable Lifted Index @300 mb: 0.22 C Lifted Index @700 mb: 0.90 C Showalter Index: -2.86 C Risk: Severe thunderstorms possible Total Totals Index: 45.90 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 23.70 C Cross Totals Index: 22.20 C K Index: 40.40 Risk: > 80 % chance of thunderstorms Sweat Index: 254.60 Risk: None Energy Index: -2.97 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 190.66 J/kg Max Up Vert Vel: 19.53 m/s Conv Inhibition (B-): 143.40 J/kg Cap Strength: 2.19 C Lift Cond Lev (LCL): 923.69 mb = 744.34 m = 2442.04 ft Lev Free Conv (LFC): 618.69 mb = 4136.08 m = 13569.64 ft Equ Level (EL): 298.69 mb = 9780.86 m = 32089.04 ft B at Equ Level: 188.59 J/kg Max Parcel Lev (MPL): 168.69 mb = 13626.94 m = 44707.25 ft Wind level data Storm motion: 293 at 6 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 10 1 -0.2 -1.0 | 104 6 -6.1 1.5 1 1000 46 10 1 -0.2 -1.0 | 104 6 -6.1 1.5 2 925 732 345 7 1.8 -6.8 | 44 6 -4.1 -4.3 3 850 1471 265 5 5.0 0.4 | 163 3 -0.9 2.9 4 700 3131 275 9 9.0 -0.8 | 241 4 3.1 1.7 5 500 5870 235 13 10.6 7.5 | 206 11 4.8 10.0 6 400 7610 170 9 -1.6 8.9 | 147 14 -7.5 11.4 7 300 9750 40 9 -5.8 -6.9 | 69 12 -11.7 -4.4 8 250 11040 80 7 -6.9 -1.2 | 96 13 -12.8 1.3 9 200 12550 50 13 -10.0 -8.4 | 70 17 -15.8 -5.9 10 150 14370 105 33 -31.9 8.5 | 106 39 -37.8 11.0 11 102 16619 90 31 -31.0 0.0 | 94 37 -36.9 2.5 12 100 16730 95 31 -30.9 2.7 | 98 37 -36.8 5.2 Wind Parameters Mean winds (0-6000m): 263.0 at 8.5 knts Storm direction: 293.0 at 6.4 knts Shear (0-3000m) pos: 0.6 neg: 0.9 tot: 1.6 10-3/s Storm rel Dir Shear (0-3000m): 132.4 deg Storm rel helicity (0-3000m) pos: 3.4 neg: -10.5 tot: -7.0 m^2/s^2 ave: -2.3 10^-3 m/s^2 rel: -0.03 Storm rel vorticity (0-3000m) horiz: 3.2 stream: -0.1 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 17.23 Bulk Shear: 11.07 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 ------------------------------------------------------------------------------- 500 356 3 87 6| 0.0 4.2 4.2| 0.0 -6.5 -6.5 -13.0 -0.99| 4.3 -4.2 1000 342 5 67 5| 0.0 3.0 3.0| 0.0 -10.5 -10.5 -10.5 -0.71| 4.9 -3.5 1500 327 5 63 4| 0.0 1.9 1.9| 0.7 -10.5 -9.8 -6.5 -0.29| 5.1 -1.5 2000 309 5 69 2| 0.3 1.4 1.7| 1.6 -10.5 -8.9 -4.4 -0.19| 4.1 -0.8 2500 297 5 89 1| 0.5 1.1 1.6| 2.5 -10.5 -8.0 -3.2 -0.10| 3.6 -0.4 3000 291 6 138 1| 0.6 0.9 1.6| 3.4 -10.5 -7.0 -2.3 -0.03| 3.2 -0.1 4000 282 7 216 1| 0.5 1.0 1.5| 3.6 -11.7 -8.1 -2.0 -0.07| 2.8 -0.2 5000 273 8 220 3| 0.4 1.0 1.4| 3.6 -14.7 -11.0 -2.2 -0.12| 2.5 -0.3 6000 263 9 216 4| 0.3 1.0 1.4| 3.6 -22.4 -18.8 -3.1 -0.20| 2.5 -0.5 Wrote GIF file: /home/apache/climate/data/raob//VVNB/skewt/VVNB.skewt.20250609.00.gif