UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041800.upa.cvt Date: 0000Z 18 APR 25 Searching for VI399... Searching the city database file for: VI399 ... Date:0000Z 18 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 83 22.8 20.9 89 1.9 21.5 360 2 296.2 299.1 294.7 341.7 15.80 1 925 732 22.2 16.2 69 6.0 18.1 70 13 302.0 304.3 294.1 339.3 12.62 2 850 1463 17.6 12.9 74 4.7 14.6 110 14 304.6 306.6 293.7 337.6 11.07 3 700 3094 6.6 3.9 83 2.7 5.1 260 10 309.8 311.2 292.3 332.1 7.25 4 500 5770 -8.7 -11.0 83 2.3 -9.6 295 12 322.4 323.1 292.6 333.4 3.30 5 400 7470 -18.7 -22.3 73 3.6 -19.7 285 13 330.7 331.0 293.4 336.3 1.60 6 300 9550 -33.3 -37.7 65 4.4 -33.9 265 42 338.4 338.5 294.4 340.3 0.50 7 250 10810 -41.9 -49.9 41 8.0 -42.4 270 58 343.8 343.8 295.4 344.4 0.16 8 200 12300 -48.5 -82.5 1 34.0 -49.1 280 68 356.0 356.0 297.9 356.0 0.00 9 150 14140 -60.7 -90.7 1 30.0 -60.9 285 60 365.5 365.5 299.8 365.5 0.00 10 100 16580 -73.1 -99.1 1 26.0 -73.2 285 31 386.5 386.5 303.3 386.5 0.00 TRP WND 181 285 80 Sounding variables and indices 1000-500 mb thick: 5687.12 m Freezing level: 613.73 mb = 4248.35 m = 13938.00 ft Wetbulb zero: 631.21 mb = 3916.74 m = 12850.05 ft Precipitable water: 1.86 inches Sfc-500 mean rel hum: 79.90 % Est. max temperature: 31.27 C = 88.29 F Sfc-Lift cond lev (LCL): 970.00 mb = 320.64 m = 1051.95 ft T: 22.58 C 700-500 lapse rate: 5.72 C/km ThetaE index: 9.62 C Layer 925.0- 500.0 mb Conv cond level (CCL): 819.53 mb = 1769.65 m = 5805.86 ft Mean mixing ratio: 13.66 g/kg Conv temperature: 32.18 C = 89.93 F Cap Strength: 3.11 C Lifted Index: -1.98 C Risk: Thunderstorms probable Lifted Index @300 mb: 0.72 C Lifted Index @700 mb: -1.10 C Showalter Index: -0.93 C Risk: Thunderstorms probable Total Totals Index: 47.90 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 26.30 C Cross Totals Index: 21.60 C K Index: 36.50 Risk: > 80 % chance of thunderstorms Sweat Index: 194.80 Risk: None Energy Index: -0.92 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 329.32 J/kg Max Up Vert Vel: 25.66 m/s Conv Inhibition (B-): 107.58 J/kg Cap Strength: 3.11 C Lift Cond Lev (LCL): 886.71 mb = 1097.47 m = 3600.57 ft Lev Free Conv (LFC): 741.71 mb = 2607.79 m = 8555.63 ft Equ Level (EL): 321.71 mb = 9044.82 m = 29674.24 ft B at Equ Level: 328.12 J/kg Max Parcel Lev (MPL): 221.71 mb = 11611.85 m = 38096.17 ft Wind level data ------------------------------------ TRUE/GROUND REL LEV P H DIR SPD U V mb m knt m/s ------------------------------------ 0 181 13734 285 80 77.3 -20.7 1 997 83 360 2 -0.0 -2.0 2 972 305 45 15 -10.6 -10.6 3 938 610 65 13 -11.8 -5.5 4 925 732 70 13 -12.2 -4.4 5 906 914 110 12 -11.3 4.1 6 874 1219 125 14 -11.5 8.0 7 850 1463 110 14 -13.2 4.8 8 814 1829 160 13 -4.4 12.2 9 785 2134 170 11 -1.9 10.8 10 757 2438 165 12 -3.1 11.6 11 730 2743 280 11 10.8 -1.9 12 704 3048 250 11 10.3 3.8 13 700 3094 260 10 9.8 1.7 14 652 3658 245 14 12.7 5.9 15 628 3962 280 19 18.7 -3.3 16 604 4267 275 11 11.0 -1.0 17 581 4572 285 12 11.6 -3.1 18 559 4877 295 11 10.0 -4.6 19 518 5486 280 15 14.8 -2.6 20 500 5770 295 12 10.9 -5.1 21 479 6096 325 13 7.5 -10.6 22 400 7470 285 13 12.6 -3.4 23 392 7620 280 15 14.8 -2.6 24 317 9144 275 40 39.8 -3.5 25 300 9550 265 42 41.8 3.7 26 255 10668 260 51 50.2 8.9 27 250 10810 270 58 58.0 -0.0 28 203 12192 280 63 62.0 -10.9 29 200 12300 280 68 67.0 -11.8 30 160 13716 285 65 62.8 -16.8 31 150 14140 285 60 58.0 -15.5 32 125 15240 265 62 61.8 5.4 33 100 16580 285 31 29.9 -8.0 Wind Parameters Energy-Hel index: -20.58 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.20250418.00.gif