UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042800.upa.cvt Date: 0000Z 28 APR 25 Searching for VG883... Searching the city database file for: VG883 ... Date:0000Z 28 APR 25 Station: VG883 WMO ident: 41883 Latitude: 24.85 Longitude: 89.37 ------------------------------------------------------------------------------- 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 1006 26 26.4 24.6 90 1.8 25.1 0 0 299.0 302.6 298.0 356.7 19.71 1 925 756 20.8 20.8 100 0.0 20.8 5 16 300.6 303.7 296.7 350.3 16.95 2 850 1490 18.8 18.8 100 0.0 18.8 160 15 305.8 308.9 297.6 354.6 16.28 3 700 3131 9.8 9.8 100 0.0 9.8 180 26 313.3 315.4 296.0 347.2 10.94 4 500 5840 -6.9 -6.9 100 0.0 -6.9 175 35 324.6 325.5 294.3 339.7 4.56 TRP WND Sounding variables and indices 1000-500 mb thick: 5761.65 m Freezing level: 582.63 mb = 4720.71 m = 15487.71 ft Wetbulb zero: 582.57 mb = 4609.44 m = 15122.66 ft Precipitable water: 2.48 inches Sfc-500 mean rel hum: 99.39 % Est. max temperature: 32.77 C = 90.99 F Sfc-Lift cond lev (LCL): 980.50 mb = 249.51 m = 818.59 ft T: 24.69 C 700-500 lapse rate: 6.16 C/km ThetaE index: 14.92 C Layer 700.0- 1.9 mb Conv cond level (CCL): 925.00 mb = 756.00 m = 2480.28 ft Mean mixing ratio: 18.04 g/kg Conv temperature: 28.98 C = 84.17 F Cap Strength: 0.32 C Lifted Index: -4.99 C Risk: Severe thunderstorms probable Lifted Index @700 mb: -1.59 C Showalter Index: -5.51 C Risk: Severe thunderstorms possible Total Totals Index: 51.40 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 25.70 C Cross Totals Index: 25.70 C K Index: 44.50 Risk: > 80 % chance of thunderstorms Sweat Index: 338.60 Risk: Showers and thunderstorms possible Energy Index: -3.05 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 373.05 J/kg Max Up Vert Vel: 27.31 m/s Conv Inhibition (B-): 0.00 J/kg Cap Strength: 0.48 C Lift Cond Lev (LCL): 946.07 mb = 560.20 m = 1837.90 ft Lev Free Conv (LFC): 941.07 mb = 606.26 m = 1989.00 ft Equ Level (EL): 871.07 mb = 1277.42 m = 4190.95 ft B at Equ Level: 15.45 J/kg Wind level data Storm motion: 205 at 18 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 1006 26 0 0 -0.0 -0.0 | 25 18 -7.7 -16.3 1 1000 0 330 12 6.0 -10.4 | 4 27 -1.7 -26.7 2 925 756 5 16 -1.4 -15.9 | 16 34 -9.0 -32.3 3 850 1490 160 15 -5.1 14.1 | 80 13 -12.8 -2.2 4 700 3131 180 26 0.0 26.0 | 142 12 -7.7 9.7 5 500 5840 175 35 -3.1 34.9 | 150 21 -10.7 18.5 Wind Parameters Mean winds (0-6000m): 175.1 at 24.1 knts Storm direction: 205.1 at 18.0 knts Shear (0-3000m) pos: 6.3 neg: 0.0 tot: 6.3 10-3/s Storm rel Dir Shear (0-3000m): 133.6 deg Storm rel helicity (0-3000m) pos: 335.9 neg: 0.0 tot: 335.9 m^2/s^2 ave: 112.0 10^-3 m/s^2 rel: 0.80 Storm rel vorticity (0-3000m) horiz: 10.8 stream: 8.6 10^-3/s Energy-Hel index: 0.72 Bulk Rich Number: 2.02 Bulk Shear: 184.73 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 ------------------------------------------------------------------------------- 500 345 13 8 30| 6.2 0.0 6.2| 30.2 0.0 30.2 60.3 0.64| 6.2 4.0 1000 3 15 15 32| 10.3 0.0 10.3|187.2 0.0 187.2 187.2 0.88| 12.8 11.2 1500 7 15 17 32| 9.4 0.0 9.4|298.0 0.0 298.0 198.7 0.75| 17.5 13.2 2000 72 15 47 31| 7.8 0.0 7.8|310.3 0.0 310.3 155.1 0.77| 14.1 10.8 2500 151 16 83 16| 6.9 0.0 6.9|322.8 0.0 322.8 129.1 0.78| 12.1 9.5 3000 166 18 94 12| 6.3 0.0 6.3|335.9 0.0 335.9 112.0 0.80| 10.8 8.6 4000 173 20 110 11| 4.9 0.2 5.2|342.6 0.0 342.6 85.7 0.78| 8.6 6.7 5000 175 22 121 11| 4.0 0.5 4.5|346.1 0.0 346.1 69.2 0.75| 7.2 5.4 6000 NO DATA | 3.6 0.6 4.2| | Wrote GIF file: /home/apache/climate/data/raob//VG883/skewt/VG883.skewt.20250428.00.gif