UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042300.upa.cvt Date: 0000Z 23 APR 25 Searching for VI399... Searching the city database file for: VI399 ... Date:0000Z 23 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 992 89 24.2 23.5 96 0.7 23.7 0 0 298.0 301.4 297.1 352.4 18.68 1 925 700 25.8 22.7 83 3.1 23.5 135 7 305.7 309.2 299.3 363.1 19.10 2 850 1444 22.0 17.9 78 4.1 19.1 265 21 309.2 312.1 297.9 355.9 15.36 3 700 3098 11.2 -11.8 19 23.0 1.3 265 33 314.9 315.3 289.4 322.1 2.21 4 500 5820 -5.7 -53.7 1 48.0 -13.0 280 37 326.1 326.1 290.6 326.3 0.05 5 400 7530 -17.9 -40.9 11 23.0 -21.7 275 65 331.7 331.8 292.4 332.8 0.27 6 300 9630 -29.1 -69.1 1 40.0 -31.5 270 64 344.4 344.4 295.4 344.4 0.01 7 250 10910 -38.5 -75.5 1 37.0 -39.8 275 56 348.8 348.8 296.4 348.8 0.01 8 200 12400 -50.3 -83.3 1 33.0 -50.8 265 56 353.1 353.1 297.3 353.1 0.00 9 150 14230 -61.1 -91.1 1 30.0 -61.3 280 34 364.8 364.8 299.6 364.8 0.00 10 100 16650 -76.9 -101.9 1 25.0 -76.9 260 29 379.1 379.1 302.1 379.1 0.00 TRP WND 362 275 75 Sounding variables and indices 1000-500 mb thick: 5730.70 m Freezing level: 567.46 mb = 4901.93 m = 16082.25 ft Wetbulb zero: 681.77 mb = 3311.53 m = 10864.47 ft Precipitable water: 1.62 inches Sfc-500 mean rel hum: 37.51 % Est. max temperature: 35.62 C = 96.11 F Sfc-Lift cond lev (LCL): 982.36 mb = 174.55 m = 572.65 ft T: 24.42 C 700-500 lapse rate: 6.21 C/km ThetaE index: 40.93 C Layer 850.0- 500.0 mb Conv cond level (CCL): 828.32 mb = 1664.10 m = 5459.57 ft Mean mixing ratio: 18.68 g/kg Conv temperature: 36.11 C = 96.99 F Cap Strength: 2.90 C Lifted Index: -5.78 C Risk: Severe thunderstorms probable Lifted Index @300 mb: -5.39 C Lifted Index @700 mb: -1.71 C Showalter Index: -4.72 C Risk: Severe thunderstorms possible Total Totals Index: 51.30 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 27.70 C Cross Totals Index: 23.60 C K Index: 22.60 Risk: 20-40 % chance of thunderstorms Sweat Index: 339.80 Risk: Showers and thunderstorms possible Energy Index: -5.62 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 2040.04 J/kg Max Up Vert Vel: 63.88 m/s Conv Inhibition (B-): 95.80 J/kg Cap Strength: 2.90 C Lift Cond Lev (LCL): 909.03 mb = 853.23 m = 2799.26 ft Lev Free Conv (LFC): 764.03 mb = 2352.35 m = 7717.60 ft Equ Level (EL): 174.03 mb = 13284.73 m = 43584.54 ft B at Equ Level: 2037.07 J/kg Wind level data ------------------------------------ TRUE/GROUND REL LEV P H DIR SPD U V mb m knt m/s ------------------------------------ 0 362 8155 275 75 74.7 -6.5 1 992 89 0 0 -0.0 -0.0 2 968 305 105 8 -7.7 2.1 3 935 610 120 8 -6.9 4.0 4 925 700 135 7 -4.9 4.9 5 903 914 145 8 -4.6 6.6 6 872 1219 280 16 15.8 -2.8 7 850 1444 265 21 20.9 1.8 8 812 1829 260 27 26.6 4.7 9 784 2134 270 24 24.0 -0.0 10 756 2438 280 31 30.5 -5.4 11 730 2743 280 35 34.5 -6.1 12 704 3048 265 37 36.9 3.2 13 700 3098 265 33 32.9 2.9 14 653 3658 270 38 38.0 -0.0 15 629 3962 275 44 43.8 -3.8 16 606 4267 270 45 45.0 -0.0 17 583 4572 270 44 44.0 -0.0 18 562 4877 275 41 40.8 -3.6 19 521 5486 280 40 39.4 -6.9 20 500 5820 280 37 36.4 -6.4 21 482 6096 280 46 45.3 -8.0 22 400 7530 275 65 64.8 -5.7 23 395 7620 275 65 64.8 -5.7 24 321 9144 275 62 61.8 -5.4 25 300 9630 270 64 64.0 -0.0 26 259 10668 270 58 58.0 -0.0 27 250 10910 275 56 55.8 -4.9 28 206 12192 260 56 55.1 9.7 29 200 12400 265 56 55.8 4.9 30 163 13716 275 42 41.8 -3.7 31 150 14230 280 34 33.5 -5.9 32 127 15240 265 35 34.9 3.1 33 100 16650 260 29 28.6 5.0 Wind Parameters Energy-Hel index: -127.49 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.20250423.00.gif