UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041900.upa.cvt Date: 0000Z 19 APR 25 Searching for VI399... Searching the city database file for: VI399 ... Date:0000Z 19 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 997 87 21.8 21.1 96 0.7 21.3 0 0 295.2 298.1 294.6 341.1 16.00 1 925 735 22.6 15.6 65 7.0 17.9 100 9 302.4 304.7 293.9 338.3 12.14 2 850 1468 17.8 11.8 68 6.0 14.0 35 10 304.8 306.7 293.2 335.6 10.28 3 700 3098 7.6 4.1 78 3.5 5.6 115 15 310.9 312.3 292.7 333.6 7.36 4 500 5800 -6.5 -18.5 38 12.0 -10.6 5 12 325.1 325.5 292.0 331.2 1.78 5 400 7500 -18.5 -43.5 9 25.0 -22.2 335 14 330.9 331.0 292.2 331.7 0.20 6 300 9580 -32.5 -51.5 13 19.0 -34.1 335 46 339.6 339.6 294.3 340.0 0.11 7 250 10850 -39.7 -76.7 1 37.0 -40.8 315 46 347.0 347.0 296.0 347.1 0.00 8 200 12340 -49.3 -82.3 1 33.0 -49.8 290 53 354.7 354.7 297.6 354.7 0.00 9 150 14180 -60.3 -90.3 1 30.0 -60.5 285 46 366.2 366.2 299.9 366.2 0.00 10 100 16600 -74.5 -100.5 1 26.0 -74.5 235 20 383.8 383.8 302.8 383.8 0.00 TRP WND 271 315 62 Sounding variables and indices 1000-500 mb thick: 5713.46 m Freezing level: 592.20 mb = 4554.40 m = 14942.07 ft Wetbulb zero: 631.16 mb = 3929.26 m = 12891.11 ft Precipitable water: 1.66 inches Sfc-500 mean rel hum: 65.79 % Est. max temperature: 31.49 C = 88.69 F Sfc-Lift cond lev (LCL): 987.19 mb = 172.10 m = 564.62 ft T: 21.91 C 700-500 lapse rate: 5.22 C/km ThetaE index: 9.85 C Layer 925.0- 400.0 mb Conv cond level (CCL): 805.47 mb = 1919.77 m = 6298.38 ft Mean mixing ratio: 13.40 g/kg Conv temperature: 33.10 C = 91.58 F Cap Strength: 3.58 C Lifted Index: 0.57 C Risk: Showers probable Lifted Index @300 mb: 2.05 C Lifted Index @700 mb: 0.14 C Showalter Index: 2.15 C Risk: Showers probable Total Totals Index: 42.60 C Risk: None Vertical Totals Index: 24.30 C Cross Totals Index: 18.30 C K Index: 32.60 Risk: 60-80 % chance of thunderstorms Sweat Index: 173.60 Risk: None Energy Index: -0.83 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 33.91 J/kg Max Up Vert Vel: 8.23 m/s Conv Inhibition (B-): 182.68 J/kg Cap Strength: 3.58 C Lift Cond Lev (LCL): 884.10 mb = 1127.01 m = 3697.49 ft Lev Free Conv (LFC): 449.10 mb = 6617.90 m = 21712.00 ft Equ Level (EL): 369.10 mb = 8081.25 m = 26512.95 ft B at Equ Level: 32.75 J/kg Max Parcel Lev (MPL): 319.10 mb = 9133.69 m = 29965.82 ft Wind level data ------------------------------------ TRUE/GROUND REL LEV P H DIR SPD U V mb m knt m/s ------------------------------------ 0 271 10509 315 62 43.8 -43.8 1 997 87 0 0 -0.0 -0.0 2 972 305 90 11 -11.0 0.0 3 939 610 105 13 -12.6 3.4 4 925 735 100 9 -8.9 1.6 5 906 914 310 10 7.7 -6.4 6 875 1219 190 11 1.9 10.8 7 850 1468 35 10 -5.7 -8.2 8 814 1829 145 8 -4.6 6.6 9 785 2134 105 11 -10.6 2.8 10 757 2438 120 15 -13.0 7.5 11 730 2743 110 17 -16.0 5.8 12 704 3048 110 15 -14.1 5.1 13 700 3098 115 15 -13.6 6.3 14 653 3658 95 15 -14.9 1.3 15 629 3962 75 14 -13.5 -3.6 16 605 4267 10 14 -2.4 -13.8 17 583 4572 350 13 2.3 -12.8 18 561 4877 340 12 4.1 -11.3 19 520 5486 315 13 9.2 -9.2 20 500 5800 5 12 -1.0 -12.0 21 481 6096 10 15 -2.6 -14.8 22 400 7500 335 14 5.9 -12.7 23 393 7620 330 14 7.0 -12.1 24 319 9144 310 29 22.2 -18.6 25 300 9580 335 46 19.4 -41.7 26 257 10668 320 55 35.4 -42.1 27 250 10850 315 46 32.5 -32.5 28 204 12192 285 54 52.2 -14.0 29 200 12340 290 53 49.8 -18.1 30 161 13716 280 50 49.2 -8.7 31 150 14180 285 46 44.4 -11.9 32 126 15240 285 43 41.5 -11.1 33 100 16600 235 20 16.4 11.5 Wind Parameters Energy-Hel index: -2.12 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.20250419.00.gif