UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042200.upa.cvt Date: 0000Z 22 APR 25 Searching for VI399... Searching the city database file for: VI399 ... Date:0000Z 22 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 996 88 24.8 24.3 97 0.5 24.5 0 0 298.3 301.8 297.7 355.2 19.55 1 925 733 24.6 24.6 100 0.0 24.6 175 4 304.5 308.4 300.4 368.8 21.50 2 850 1472 20.2 20.2 100 0.0 20.2 245 13 307.3 310.6 298.9 361.0 17.80 3 700 3123 10.0 7.1 82 2.9 8.2 280 27 313.6 315.3 294.7 341.8 9.08 4 500 5860 -3.3 -18.3 30 15.0 -8.8 295 42 329.0 329.4 293.2 335.3 1.81 5 400 7580 -17.9 -26.9 45 9.0 -20.1 315 43 331.7 331.9 293.2 335.5 1.06 6 300 9680 -30.7 -45.7 22 15.0 -32.3 265 42 342.1 342.2 295.0 343.0 0.21 7 250 10950 -40.1 -55.1 19 15.0 -41.0 260 40 346.4 346.5 295.9 346.8 0.09 8 200 12450 -48.9 -64.9 14 16.0 -49.4 265 37 355.3 355.3 297.8 355.5 0.03 9 150 14280 -62.5 -78.5 10 16.0 -62.6 255 40 362.4 362.4 299.2 362.4 0.01 10 100 16700 -75.3 -91.3 6 16.0 -75.3 275 21 382.2 382.2 302.6 382.2 0.00 TRP WND 269 270 64 Sounding variables and indices 1000-500 mb thick: 5772.19 m Freezing level: 549.62 mb = 5180.89 m = 16997.48 ft Wetbulb zero: 603.22 mb = 4333.45 m = 14217.17 ft Precipitable water: 2.45 inches Sfc-500 mean rel hum: 75.95 % Est. max temperature: 33.96 C = 93.13 F Sfc-Lift cond lev (LCL): 989.24 mb = 147.19 m = 482.90 ft T: 24.78 C 700-500 lapse rate: 4.86 C/km ThetaE index: 33.52 C Layer 850.0- 400.0 mb Conv cond level (CCL): 908.01 mb = 895.04 m = 2936.45 ft Mean mixing ratio: 20.60 g/kg Conv temperature: 31.59 C = 88.86 F Cap Strength: 0.97 C Lifted Index: -4.78 C Risk: Severe thunderstorms probable Lifted Index @300 mb: -9.22 C Lifted Index @700 mb: -4.02 C Showalter Index: -3.96 C Risk: Severe thunderstorms possible Total Totals Index: 47.00 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 23.50 C Cross Totals Index: 23.50 C K Index: 40.80 Risk: > 80 % chance of thunderstorms Sweat Index: 310.40 Risk: Showers and thunderstorms possible Energy Index: -5.00 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 2996.06 J/kg Max Up Vert Vel: 77.41 m/s Conv Inhibition (B-): 10.53 J/kg Cap Strength: 1.95 C Lift Cond Lev (LCL): 943.33 mb = 561.83 m = 1843.25 ft Lev Free Conv (LFC): 868.33 mb = 1285.56 m = 4217.67 ft Equ Level (EL): 138.33 mb = 14763.51 m = 48436.11 ft B at Equ Level: 2963.89 J/kg Wind level data ------------------------------------ TRUE/GROUND REL LEV P H DIR SPD U V mb m knt m/s ------------------------------------ 0 269 10561 270 64 64.0 -0.0 1 996 88 0 0 -0.0 -0.0 2 972 305 110 11 -10.3 3.8 3 938 610 115 4 -3.6 1.7 4 925 733 175 4 -0.3 4.0 5 906 914 200 7 2.4 6.6 6 875 1219 225 8 5.7 5.7 7 850 1472 245 13 11.8 5.5 8 815 1829 245 14 12.7 5.9 9 786 2134 265 16 15.9 1.4 10 759 2438 285 29 28.0 -7.5 11 732 2743 280 28 27.6 -4.9 12 706 3048 275 25 24.9 -2.2 13 700 3123 280 27 26.6 -4.7 14 655 3658 300 24 20.8 -12.0 15 631 3962 290 34 31.9 -11.6 16 608 4267 280 38 37.4 -6.6 17 586 4572 280 42 41.4 -7.3 18 564 4877 285 40 38.6 -10.4 19 523 5486 295 41 37.2 -17.3 20 500 5860 295 42 38.1 -17.7 21 485 6096 295 38 34.4 -16.1 22 400 7580 315 43 30.4 -30.4 23 398 7620 320 40 25.7 -30.6 24 323 9144 275 46 45.8 -4.0 25 300 9680 265 42 41.8 3.7 26 260 10668 280 47 46.3 -8.2 27 250 10950 260 40 39.4 6.9 28 208 12192 265 42 41.8 3.7 29 200 12450 265 37 36.9 3.2 30 164 13716 250 40 37.6 13.7 31 150 14280 255 40 38.6 10.4 32 128 15240 240 40 34.6 20.0 33 100 16700 275 21 20.9 -1.8 Wind Parameters Energy-Hel index: -187.23 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.20250422.00.gif