UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042612.upa.cvt Date: 1200Z 26 APR 25 Searching for VGTJ... Searching the city database file for: VGTJ ... Date:1200Z 26 APR 25 Station: VGTJ WMO ident: 41923 Latitude: 23.77 Longitude: 90.38 Elevation: 9.00 ------------------------------------------------------------------------------- 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 1004 9 32.8 24.8 63 8.0 26.7 90 2 305.6 309.3 299.8 365.7 20.00 1 1000 44 32.8 23.8 59 9.0 26.1 165 10 306.0 309.5 299.2 362.7 18.88 2 925 742 26.0 21.9 78 4.1 23.0 185 16 305.9 309.3 298.8 360.4 18.17 3 850 1484 24.4 13.4 50 11.0 17.0 260 13 311.7 313.9 295.9 346.9 11.44 4 700 3150 11.8 -4.2 32 16.0 3.7 270 18 315.6 316.3 291.3 328.4 4.00 5 500 5860 -5.9 -31.9 11 26.0 -12.3 260 27 325.8 326.0 291.1 327.8 0.53 6 400 7560 -18.1 -39.1 14 21.0 -21.7 250 45 331.5 331.5 292.4 332.7 0.32 7 300 9660 -31.7 -43.7 30 12.0 -33.0 260 66 340.7 340.8 294.7 341.8 0.27 8 250 10920 -40.3 -63.3 7 23.0 -41.3 265 73 346.2 346.2 295.8 346.3 0.03 9 248 10974 -40.7 -63.6 7 22.9 -41.6 265 74 346.4 346.4 295.8 346.5 0.03 10 200 12400 -51.1 -71.1 7 20.0 -51.5 255 64 351.8 351.9 297.0 351.9 0.01 11 150 14210 -64.5 -77.5 15 13.0 -64.6 255 60 359.0 359.0 298.5 359.0 0.01 12 100 16610 -76.9 -87.9 16 11.0 -76.9 225 20 379.1 379.1 302.1 379.2 0.00 TRP WND 248 10974 -40.7 -63.6 7 22.9 -41.6 265 74 346.4 346.4 295.8 346.5 0.03 Sounding variables and indices 1000-500 mb thick: 5816.00 m Freezing level: 566.67 mb = 4956.67 m = 16261.83 ft Wetbulb zero: 653.68 mb = 3701.36 m = 12143.42 ft Precipitable water: 1.68 inches Sfc-500 mean rel hum: 37.74 % Est. max temperature: 38.59 C = 101.46 F Sfc-Lift cond lev (LCL): 895.16 mb = 1029.71 m = 3378.26 ft T: 25.38 C 700-500 lapse rate: 6.53 C/km ThetaE index: 37.90 C Layer 1000.0- 400.0 mb Conv cond level (CCL): 786.57 mb = 2149.45 m = 7051.92 ft Mean mixing ratio: 18.25 g/kg Conv temperature: 40.51 C = 104.92 F Cap Strength: 4.17 C Lifted Index: -6.56 C Risk: Severe thunderstorms probable Lifted Index @300 mb: -8.93 C Lifted Index @700 mb: -1.58 C Showalter Index: -1.82 C Risk: Thunderstorms probable Total Totals Index: 49.60 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 30.30 C Cross Totals Index: 19.30 C K Index: 27.70 Risk: 40-60 % chance of thunderstorms Sweat Index: 225.80 Risk: None Energy Index: -3.61 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 2783.14 J/kg Max Up Vert Vel: 74.61 m/s Conv Inhibition (B-): 142.05 J/kg Cap Strength: 4.18 C Lift Cond Lev (LCL): 870.61 mb = 1273.77 m = 4178.98 ft Lev Free Conv (LFC): 735.61 mb = 2724.23 m = 8937.65 ft Equ Level (EL): 135.61 mb = 14806.96 m = 48578.69 ft B at Equ Level: 2746.40 J/kg Wind level data Storm motion: 286 at 14 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 1004 9 90 2 -2.0 0.0 | 104 16 -15.5 3.8 1 1000 44 165 10 -2.6 9.7 | 130 21 -16.0 13.5 2 925 742 185 16 1.4 15.9 | 149 23 -12.1 19.8 3 850 1484 260 13 12.8 2.3 | 174 6 -0.7 6.1 4 700 3150 270 18 18.0 -0.0 | 230 6 4.5 3.8 5 500 5860 260 27 26.6 4.7 | 237 16 13.1 8.5 6 400 7560 250 45 42.3 15.4 | 236 35 28.8 19.2 7 300 9660 260 66 65.0 11.5 | 253 54 51.5 15.3 8 250 10920 265 73 72.7 6.4 | 260 60 59.3 10.2 9 248 10974 265 74 73.7 6.4 | 260 61 60.3 10.3 10 200 12400 255 64 61.8 16.6 | 247 52 48.4 20.4 11 150 14210 255 60 58.0 15.5 | 246 49 44.5 19.4 12 100 16610 225 20 14.1 14.1 | 182 18 0.7 18.0 Wind Parameters Mean winds (0-6000m): 255.9 at 18.7 knts Storm direction: 285.9 at 14.0 knts Shear (0-3000m) pos: 3.4 neg: 0.0 tot: 3.4 10-3/s Storm rel Dir Shear (0-3000m): 121.2 deg Storm rel helicity (0-3000m) pos: 123.8 neg: 0.0 tot: 123.8 m^2/s^2 ave: 41.3 10^-3 m/s^2 rel: 0.68 Storm rel vorticity (0-3000m) horiz: 7.1 stream: 4.8 10^-3/s Energy-Hel index: 2.06 Bulk Rich Number: 48.36 Bulk Shear: 57.55 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 ------------------------------------------------------------------------------- 500 172 12 136 21| 14.5 0.0 14.5| 64.9 0.0 64.9 129.8 0.89| 15.1 13.4 1000 183 13 144 21| 8.3 0.0 8.3|105.0 0.0 105.0 105.0 0.82| 12.6 10.4 1500 198 14 151 19| 5.2 0.0 5.2|116.2 0.0 116.2 77.5 0.64| 12.5 8.0 2000 215 14 159 16| 4.3 0.0 4.3|118.7 0.0 118.7 59.3 0.65| 9.8 6.4 2500 228 14 167 14| 3.7 0.0 3.7|121.2 0.0 121.2 48.5 0.67| 8.2 5.5 3000 238 14 174 12| 3.4 0.0 3.4|123.8 0.0 123.8 41.3 0.68| 7.1 4.8 4000 249 16 187 10| 2.5 0.4 3.0|126.0 0.0 126.0 31.5 0.65| 5.8 3.8 5000 254 17 199 9| 2.0 0.7 2.7|126.7 0.0 126.7 25.3 0.61| 5.0 3.1 6000 256 19 209 10| 1.7 1.0 2.7|127.5 -0.4 127.1 21.2 0.56| 4.6 2.6 Wrote GIF file: /home/apache/climate/data/raob//VGTJ/skewt/VGTJ.skewt.20250426.12.gif