UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101300.upa.cvt Date: 0000Z 13 OCT 25 Searching for VGSY... Searching the city database file for: VGSY ... Date:0000Z 13 OCT 25 Station: VGSY WMO ident: 41891 Latitude: 24.96 Longitude: 91.87 Elevation: 15.00 ------------------------------------------------------------------------------- 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 15 23.6 22.6 94 1.0 22.9 0 0 296.1 299.2 295.8 346.1 17.38 1 1000 95 25.6 22.6 84 3.0 23.5 55 3 298.8 301.9 296.6 349.8 17.52 2 925 780 21.8 19.4 86 2.4 20.1 40 5 301.6 304.4 296.0 347.3 15.51 3 850 1512 18.4 12.4 68 6.0 14.5 155 3 305.4 307.4 293.7 337.5 10.70 4 700 3151 11.6 -8.4 24 20.0 2.4 255 6 315.3 315.9 290.2 324.7 2.90 5 500 5870 -6.9 -27.9 17 21.0 -12.5 245 20 324.6 324.8 291.0 327.4 0.77 6 400 7590 -14.3 -57.3 1 43.0 -19.6 250 25 336.4 336.4 293.4 336.6 0.04 7 300 9710 -29.9 -59.9 4 30.0 -32.1 265 26 343.2 343.2 295.1 343.4 0.04 8 250 10980 -39.1 -64.1 5 25.0 -40.2 250 36 347.9 347.9 296.2 348.1 0.03 9 200 12470 -50.9 -71.9 7 21.0 -51.3 265 30 352.2 352.2 297.1 352.2 0.01 10 150 14280 -64.5 -80.5 9 16.0 -64.6 265 9 359.0 359.0 298.5 359.0 0.00 11 100 16670 -79.9 -91.9 12 12.0 -79.9 340 15 373.4 373.4 301.1 373.4 0.00 TRP 100 16670 -79.9 -91.9 12 12.0 -79.9 340 15 373.4 373.4 301.1 373.4 0.00 WND Sounding variables and indices 1000-500 mb thick: 5775.00 m Freezing level: 574.59 mb = 4855.89 m = 15931.19 ft Wetbulb zero: 668.24 mb = 3526.24 m = 11568.89 ft Precipitable water: 1.50 inches Sfc-500 mean rel hum: 42.24 % Est. max temperature: 32.54 C = 90.58 F Sfc-Lift cond lev (LCL): 993.80 mb = 149.65 m = 490.99 ft T: 25.30 C 700-500 lapse rate: 6.80 C/km ThetaE index: 25.08 C Layer 925.0- 500.0 mb Conv cond level (CCL): 865.82 mb = 1352.36 m = 4436.82 ft Mean mixing ratio: 16.30 g/kg Conv temperature: 32.13 C = 89.84 F Cap Strength: 1.50 C Lifted Index: -3.29 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -0.51 C Lifted Index @700 mb: 1.50 C Showalter Index: 0.93 C Risk: Thunderstorms probable Total Totals Index: 44.60 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 25.30 C Cross Totals Index: 19.30 C K Index: 17.70 Risk: < 20 % chance of thunderstorms Sweat Index: 174.80 Risk: None Energy Index: -1.86 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 307.53 J/kg Max Up Vert Vel: 24.80 m/s Conv Inhibition (B-): 123.00 J/kg Cap Strength: 1.50 C Lift Cond Lev (LCL): 921.12 mb = 816.40 m = 2678.43 ft Lev Free Conv (LFC): 636.12 mb = 3924.29 m = 12874.81 ft Equ Level (EL): 276.12 mb = 10287.80 m = 33752.20 ft B at Equ Level: 305.84 J/kg Max Parcel Lev (MPL): 176.12 mb = 13270.02 m = 43536.27 ft Wind level data Storm motion: 269 at 7 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 15 0 0 -0.0 -0.0 | 89 7 -6.7 -0.1 1 1000 95 55 3 -2.5 -1.7 | 79 9 -9.1 -1.8 2 976 305 60 8 -6.9 -4.0 | 73 14 -13.6 -4.1 3 943 610 130 9 -6.9 5.8 | 113 15 -13.6 5.7 4 925 780 40 5 -3.2 -3.8 | 68 11 -9.9 -4.0 5 911 914 150 2 -1.0 1.7 | 102 8 -7.7 1.6 6 850 1512 155 3 -1.3 2.7 | 108 8 -7.9 2.6 7 790 2134 195 4 1.0 3.9 | 124 7 -5.6 3.7 8 700 3151 255 6 5.8 1.6 | 149 2 -0.9 1.4 9 500 5870 245 20 18.1 8.5 | 234 14 11.5 8.3 10 400 7590 250 25 23.5 8.6 | 243 19 16.8 8.4 11 300 9710 265 26 25.9 2.3 | 264 19 19.2 2.1 12 250 10980 250 36 33.8 12.3 | 246 30 27.2 12.2 13 200 12470 265 30 29.9 2.6 | 264 23 23.2 2.5 14 150 14280 265 9 9.0 0.8 | 254 2 2.3 0.7 15 100 16670 340 15 5.1 -14.1 | 6 14 -1.5 -14.2 Wind Parameters Mean winds (0-6000m): 239.0 at 8.9 knts Storm direction: 269.0 at 6.7 knts Shear (0-3000m) pos: 1.0 neg: 0.0 tot: 1.0 10-3/s Storm rel Dir Shear (0-3000m): 57.9 deg Storm rel helicity (0-3000m) pos: 53.8 neg: -30.3 tot: 23.4 m^2/s^2 ave: 7.8 10^-3 m/s^2 rel: 0.21 Storm rel vorticity (0-3000m) horiz: 6.9 stream: 1.4 10^-3/s Energy-Hel index: 0.10 Bulk Rich Number: 10.45 Bulk Shear: 29.42 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 73 6 81 13| 8.9 0.0 8.9| 25.8 -5.1 20.7 41.4 0.30| 15.3 4.5 1000 88 6 88 12| 1.1 0.0 1.1| 45.2 -30.3 14.9 14.9 0.11| 16.4 1.8 1500 101 5 94 11| 1.0 0.0 1.0| 46.8 -30.3 16.5 11.0 0.13| 11.2 1.5 2000 117 4 100 11| 1.0 0.0 1.0| 50.4 -30.3 20.0 10.0 0.17| 9.0 1.5 2500 137 4 107 10| 1.0 0.0 1.0| 52.8 -30.3 22.5 9.0 0.20| 7.7 1.5 3000 159 4 116 9| 1.0 0.0 1.0| 53.8 -30.3 23.4 7.8 0.21| 6.9 1.4 4000 213 5 139 6| 1.0 0.3 1.3| 55.7 -30.3 25.4 6.3 0.25| 5.8 1.5 5000 234 7 165 4| 0.8 0.8 1.6| 57.1 -30.3 26.8 5.4 0.24| 5.2 1.3 6000 239 9 192 5| 0.7 1.1 1.8| 58.1 -30.5 27.6 4.6 0.22| 4.8 1.1 Wrote GIF file: /home/apache/climate/data/raob//VGSY/skewt/VGSY.skewt.20251013.00.gif