UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041700.upa.cvt Date: 0000Z 17 APR 25 Searching for VI399... Searching the city database file for: VI399 ... Date:0000Z 17 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 90 21.0 20.5 97 0.5 20.6 180 2 294.3 297.1 293.9 338.3 15.39 1 925 744 20.6 20.6 100 0.0 20.6 75 6 300.4 303.4 296.5 349.4 16.74 2 850 1475 17.8 17.8 100 0.0 17.8 215 8 304.8 307.6 296.7 350.3 15.26 3 700 3109 8.0 8.0 100 0.0 8.0 245 15 311.3 313.2 294.6 341.1 9.67 4 500 5790 -10.3 -12.4 85 2.1 -11.1 335 27 320.5 321.1 291.8 330.3 2.95 5 400 7480 -19.5 -21.3 86 1.8 -20.0 250 13 329.6 330.0 293.3 335.8 1.75 6 300 9560 -34.5 -37.1 77 2.6 -34.8 235 19 336.7 336.9 294.0 338.8 0.53 7 250 10820 -37.9 -50.9 24 13.0 -38.9 255 38 349.7 349.7 296.7 350.3 0.14 8 200 12330 -46.1 -81.1 1 35.0 -46.9 275 62 359.8 359.8 298.7 359.8 0.00 9 150 14180 -59.5 -89.5 1 30.0 -59.7 285 54 367.6 367.6 300.1 367.6 0.00 10 100 16620 -73.1 -99.1 1 26.0 -73.2 300 31 386.5 386.5 303.3 386.5 0.00 TRP WND 181 275 66 Sounding variables and indices 1000-500 mb thick: 5700.01 m Freezing level: 612.57 mb = 4281.02 m = 14045.18 ft Wetbulb zero: 616.36 mb = 4122.95 m = 13526.57 ft Precipitable water: 2.31 inches Sfc-500 mean rel hum: 96.07 % Est. max temperature: 31.55 C = 88.79 F Sfc-Lift cond lev (LCL): 991.05 mb = 150.14 m = 492.57 ft T: 20.96 C 700-500 lapse rate: 6.83 C/km ThetaE index: 20.08 C Layer 700.0- 400.0 mb Conv cond level (CCL): 897.46 mb = 1005.29 m = 3298.15 ft Mean mixing ratio: 16.18 g/kg Conv temperature: 28.63 C = 83.53 F Cap Strength: 1.20 C Lifted Index: -5.69 C Risk: Severe thunderstorms probable Lifted Index @300 mb: -3.64 C Lifted Index @700 mb: -1.34 C Showalter Index: -7.45 C Risk: Severe thunderstorms probable Total Totals Index: 56.20 C Risk: Severe Thunderstorms probable Vertical Totals Index: 28.10 C Cross Totals Index: 28.10 C K Index: 45.90 Risk: > 80 % chance of thunderstorms Sweat Index: 400.60 Risk: Severe Thunderstorms possible Energy Index: -4.06 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 1126.36 J/kg Max Up Vert Vel: 47.46 m/s Conv Inhibition (B-): 43.33 J/kg Cap Strength: 1.92 C Lift Cond Lev (LCL): 944.83 mb = 561.41 m = 1841.88 ft Lev Free Conv (LFC): 769.83 mb = 2308.78 m = 7574.66 ft Equ Level (EL): 269.83 mb = 10292.60 m = 33767.95 ft B at Equ Level: 1119.17 J/kg Max Parcel Lev (MPL): 159.83 mb = 13771.98 m = 45183.13 ft Wind level data ------------------------------------ TRUE/GROUND REL LEV P H DIR SPD U V mb m knt m/s ------------------------------------ 0 181 13749 275 66 65.7 -5.8 1 998 90 180 2 0.0 2.0 2 973 305 70 14 -13.2 -4.8 3 940 610 85 13 -13.0 -1.1 4 925 744 75 6 -5.8 -1.6 5 907 914 90 6 -6.0 0.0 6 876 1219 220 10 6.4 7.7 7 850 1475 215 8 4.6 6.6 8 815 1829 240 6 5.2 3.0 9 786 2134 210 4 2.0 3.5 10 758 2438 265 7 7.0 0.6 11 731 2743 245 13 11.8 5.5 12 705 3048 235 9 7.4 5.2 13 700 3109 245 15 13.6 6.3 14 653 3658 255 12 11.6 3.1 15 629 3962 280 17 16.7 -3.0 16 605 4267 290 21 19.7 -7.2 17 583 4572 335 20 8.5 -18.1 18 561 4877 345 19 4.9 -18.4 19 519 5486 340 19 6.5 -17.9 20 500 5790 335 27 11.4 -24.5 21 480 6096 325 31 17.8 -25.4 22 400 7480 250 13 12.2 4.4 23 392 7620 260 12 11.8 2.1 24 318 9144 240 11 9.5 5.5 25 300 9560 235 19 15.6 10.9 26 256 10668 250 35 32.9 12.0 27 250 10820 255 38 36.7 9.8 28 204 12192 270 60 60.0 -0.0 29 200 12330 275 62 61.8 -5.4 30 161 13716 280 64 63.0 -11.1 31 150 14180 285 54 52.2 -14.0 32 126 15240 270 53 53.0 -0.0 33 100 16620 300 31 26.8 -15.5 Wind Parameters Energy-Hel index: -70.39 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.20250417.00.gif