UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025123000.upa.cvt Date: 0000Z 30 DEC 25 Searching for VI399... Searching the city database file for: VI399 ... Date:0000Z 30 DEC 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 1003 80 13.6 12.8 95 0.8 13.1 0 0 286.5 288.1 286.1 312.3 9.29 1 1000 105 12.8 10.9 88 1.9 11.7 235 4 286.0 287.4 284.8 308.8 8.21 2 925 757 9.8 9.8 100 0.0 9.8 360 2 289.3 290.8 286.2 312.6 8.24 3 850 1460 8.2 8.2 100 0.0 8.2 120 3 294.7 296.2 288.1 318.0 8.05 4 700 3048 3.6 -2.4 65 6.0 0.7 285 42 306.5 307.3 288.9 320.6 4.58 5 500 5700 -13.5 -32.5 19 19.0 -17.3 290 37 316.6 316.7 288.2 318.3 0.50 6 400 7360 -25.9 -53.9 5 28.0 -28.2 290 65 321.3 321.3 289.2 321.6 0.06 7 300 9370 -42.7 -58.7 16 16.0 -43.3 275 69 325.2 325.2 290.4 325.4 0.05 8 259 10341 -50.9 -60.9 30 10.0 -51.1 275 67 327.1 327.1 290.9 327.2 0.04 9 250 10570 -51.7 -61.7 29 10.0 -52.0 275 73 329.2 329.2 291.5 329.4 0.04 10 200 12020 -52.5 -74.5 5 22.0 -52.8 275 93 349.6 349.6 296.5 349.7 0.01 11 150 13860 -56.7 -87.7 1 31.0 -57.0 270 95 372.4 372.4 301.0 372.4 0.00 TRP 259 10341 -50.9 -60.9 30 10.0 -51.1 275 67 327.1 327.1 290.9 327.2 0.04 WND 149 270 96 Sounding variables and indices 1000-500 mb thick: 5595.00 m Freezing level: 657.89 mb = 3606.32 m = 11831.60 ft Wetbulb zero: 692.61 mb = 3131.60 m = 10274.17 ft Precipitable water: 1.09 inches Sfc-500 mean rel hum: 66.20 % Est. max temperature: 21.61 C = 70.90 F Sfc-Lift cond lev (LCL): 991.20 mb = 178.91 m = 586.97 ft T: 12.46 C 700-500 lapse rate: 6.45 C/km ThetaE index: 3.56 C Layer 1000.0- 925.0 mb Conv cond level (CCL): 922.66 mb = 778.09 m = 2552.77 ft Mean mixing ratio: 8.24 g/kg Conv temperature: 16.59 C = 61.86 F Cap Strength: 7.10 C Lifted Index: 7.98 C Risk: None Lifted Index @300 mb: 10.07 C Lifted Index @700 mb: 7.10 C Showalter Index: 4.03 C Risk: None Total Totals Index: 43.40 C Risk: None Vertical Totals Index: 21.70 C Cross Totals Index: 21.70 C K Index: 23.90 Risk: 20-40 % chance of thunderstorms Sweat Index: 141.40 Risk: None Energy Index: 0.15 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 17.40 J/kg Max Up Vert Vel: 5.90 m/s Conv Inhibition (B-): 6474.25 J/kg Cap Strength: 7.98 C Lift Cond Lev (LCL): 941.13 mb = 612.40 m = 2009.15 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data ------------------------------------ TRUE/GROUND REL LEV P H DIR SPD U V mb m knt m/s ------------------------------------ 0 149 15336 270 96 96.0 -0.0 1 1003 80 0 0 -0.0 -0.0 2 1000 105 235 4 3.3 2.3 3 976 305 255 5 4.8 1.3 4 941 610 330 3 1.5 -2.6 5 925 757 360 2 -0.0 -2.0 6 908 914 30 2 -1.0 -1.7 7 875 1219 120 2 -1.7 1.0 8 850 1460 120 3 -2.6 1.5 9 813 1829 105 4 -3.9 1.0 10 783 2134 95 1 -1.0 0.1 11 754 2438 290 9 8.5 -3.1 12 727 2743 290 26 24.4 -8.9 13 700 3048 285 42 40.6 -10.9 14 700 3048 285 40 38.6 -10.4 15 648 3658 280 48 47.3 -8.3 16 623 3962 280 48 47.3 -8.3 17 600 4267 280 50 49.2 -8.7 18 577 4572 280 51 50.2 -8.9 19 555 4877 280 50 49.2 -8.7 20 514 5486 285 39 37.7 -10.1 21 500 5700 290 37 34.8 -12.7 22 474 6096 285 38 36.7 -9.8 23 400 7360 290 65 61.1 -22.2 24 385 7620 290 67 63.0 -22.9 25 310 9144 275 70 69.7 -6.1 26 300 9370 275 69 68.7 -6.0 27 259 10341 275 67 66.7 -5.8 28 250 10570 275 73 72.7 -6.4 29 246 10668 275 71 70.7 -6.2 30 200 12020 275 93 92.6 -8.1 31 195 12192 275 93 92.6 -8.1 32 153 13716 270 94 94.0 -0.0 33 150 13860 270 95 95.0 -0.0 Wind Parameters Energy-Hel index: -1.09 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.20251230.00.gif