UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042900.upa.cvt Date: 0000Z 29 APR 25 Searching for VI399... Searching the city database file for: VI399 ... Date:0000Z 29 APR 25 Station: VI399 WMO ident: 42399 Latitude: 26.53 Longitude: 88.72 ------------------------------------------------------------------------------- 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 998 85 22.0 20.5 91 1.5 20.9 0 0 295.3 298.1 294.2 339.5 15.39 1 925 739 19.6 11.6 60 8.0 14.6 70 10 299.4 301.0 290.7 326.7 9.31 2 850 1463 16.4 8.4 59 8.0 11.6 45 3 303.3 304.8 291.0 327.7 8.16 3 700 3083 5.0 0.0 70 5.0 2.4 35 4 308.0 309.0 290.2 324.9 5.47 4 500 5740 -11.5 -21.5 43 10.0 -14.4 210 6 319.0 319.3 289.9 323.7 1.37 5 400 7410 -20.9 -36.9 22 16.0 -23.5 220 20 327.8 327.9 291.5 329.3 0.40 6 300 9480 -34.3 -72.3 1 38.0 -35.9 220 47 337.0 337.0 293.6 337.1 0.01 7 250 10730 -42.7 -78.7 1 36.0 -43.6 235 70 342.6 342.6 295.0 342.6 0.00 8 200 12210 -47.9 -81.9 1 34.0 -48.5 245 62 356.9 356.9 298.1 356.9 0.00 9 150 14070 -55.9 -86.9 1 31.0 -56.2 240 63 373.8 373.8 301.2 373.8 0.00 10 100 16550 -71.9 -98.9 1 27.0 -72.0 240 37 388.8 388.8 303.6 388.8 0.00 TRP WND 231 235 71 Sounding variables and indices 1000-500 mb thick: 5655.01 m Freezing level: 639.39 mb = 3888.15 m = 12756.25 ft Wetbulb zero: 671.19 mb = 3414.84 m = 11203.40 ft Precipitable water: 1.34 inches Sfc-500 mean rel hum: 61.32 % Est. max temperature: 30.06 C = 86.11 F Sfc-Lift cond lev (LCL): 976.63 mb = 271.33 m = 890.18 ft T: 21.32 C 700-500 lapse rate: 6.21 C/km ThetaE index: 12.82 C Layer 925.0- 850.0 mb Conv cond level (CCL): 793.31 mb = 2038.90 m = 6689.23 ft Mean mixing ratio: 11.44 g/kg Conv temperature: 31.72 C = 89.09 F Cap Strength: 3.72 C Lifted Index: -0.91 C Risk: Thunderstorms probable Lifted Index @300 mb: 5.11 C Lifted Index @700 mb: 0.18 C Showalter Index: 0.84 C Risk: Thunderstorms probable Total Totals Index: 47.80 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 27.90 C Cross Totals Index: 19.90 C K Index: 31.30 Risk: 60-80 % chance of thunderstorms Sweat Index: 112.80 Risk: None Energy Index: -0.79 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 87.38 J/kg Max Up Vert Vel: 13.22 m/s Conv Inhibition (B-): 176.80 J/kg Cap Strength: 3.70 C Lift Cond Lev (LCL): 876.17 mb = 1203.37 m = 3948.02 ft Lev Free Conv (LFC): 671.17 mb = 3415.13 m = 11204.35 ft Equ Level (EL): 451.17 mb = 6509.10 m = 21355.06 ft B at Equ Level: 87.20 J/kg Max Parcel Lev (MPL): 361.17 mb = 8144.79 m = 26721.43 ft Wind level data ------------------------------------ TRUE/GROUND REL LEV P H DIR SPD U V mb m knt m/s ------------------------------------ 0 231 11793 235 71 58.2 40.7 1 998 85 0 0 -0.0 -0.0 2 973 305 90 18 -18.0 0.0 3 939 610 80 12 -11.8 -2.1 4 925 739 70 10 -9.4 -3.4 5 906 914 55 8 -6.6 -4.6 6 875 1219 60 5 -4.3 -2.5 7 850 1463 45 3 -2.1 -2.1 8 814 1829 285 1 1.0 -0.3 9 784 2134 275 3 3.0 -0.3 10 756 2438 245 4 3.6 1.7 11 729 2743 300 1 0.9 -0.5 12 703 3048 40 3 -1.9 -2.3 13 700 3083 35 4 -2.3 -3.3 14 651 3658 260 3 3.0 0.5 15 626 3962 275 3 3.0 -0.3 16 603 4267 350 2 0.3 -2.0 17 580 4572 50 4 -3.1 -2.6 18 558 4877 65 4 -3.6 -1.7 19 516 5486 80 4 -3.9 -0.7 20 500 5740 210 6 3.0 5.2 21 477 6096 235 12 9.8 6.9 22 400 7410 220 20 12.9 15.3 23 388 7620 220 22 14.1 16.9 24 314 9144 225 52 36.8 36.8 25 300 9480 220 47 30.2 36.0 26 252 10668 230 70 53.6 45.0 27 250 10730 235 70 57.3 40.2 28 201 12192 240 61 52.8 30.5 29 200 12210 245 62 56.2 26.2 30 158 13716 235 63 51.6 36.1 31 150 14070 240 63 54.6 31.5 32 124 15240 255 41 39.6 10.6 33 100 16550 240 37 32.0 18.5 Wind Parameters Energy-Hel index: -5.46 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 NO DATA | | | 1000 NO DATA | | | 1500 NO DATA | | | 2000 NO DATA | | | 2500 NO DATA | | | 3000 NO DATA | | | 4000 NO DATA | | | 5000 NO DATA | | | 6000 NO DATA | | | Wrote GIF file: /home/apache/climate/data/raob//VI399/skewt/VI399.skewt.20250429.00.gif