UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041512.upa.cvt Date: 1200Z 15 APR 25 Searching for X8341... Searching the city database file for: X8341 ... Date:1200Z 15 APR 25 Station: X8341 WMO ident: 38341 Latitude: 42.85 Longitude: 71.38 ------------------------------------------------------------------------------- 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 ------------------------------------------------------------------------------- 0 1000 122 SFC 942 645 23.4 12.4 50 11.0 16.3 55 1 301.7 303.4 291.7 330.2 9.64 2 850 1528 12.2 5.2 62 7.0 8.3 285 11 298.9 300.1 288.2 318.2 6.53 3 848 1548 12.2 6.2 67 6.0 8.8 299.1 300.4 288.7 319.9 7.02 4 826 1765 8.4 3.4 71 5.0 5.8 297.4 298.4 287.0 314.8 5.92 5 825 1775 8.4 -3.6 43 12.0 2.9 297.5 298.1 284.6 308.1 3.55 6 818 1845 7.0 -5.0 42 12.0 1.7 296.7 297.3 284.0 306.4 3.22 7 816 1865 7.0 2.5 73 4.5 4.6 296.9 297.9 286.5 313.5 5.62 8 798 2047 4.8 1.0 76 3.8 2.9 296.5 297.4 285.9 311.7 5.16 9 764 2399 0.8 -2.8 77 3.6 -0.8 295.9 296.6 284.5 308.0 4.07 10 763 2409 2.0 -1.0 80 3.0 0.5 297.3 298.1 285.7 311.1 4.66 11 762 2420 -0.3 -2.9 83 2.6 -1.4 294.9 295.6 284.1 306.9 4.05 12 752 2525 -0.5 -1.4 94 0.9 -0.9 295.8 296.6 285.1 309.4 4.59 13 700 3094 -2.9 -4.5 89 1.6 -3.6 270 46 299.3 300.0 285.7 311.1 3.91 14 506 5609 -12.9 -21.9 47 9.0 -15.4 316.2 316.5 288.9 320.7 1.31 15 504 5639 -13.1 -22.1 47 9.0 -15.6 316.3 316.6 288.9 320.7 1.29 16 500 5700 -13.5 -22.5 47 9.0 -15.9 280 42 316.6 316.8 289.0 320.8 1.26 17 492 5822 -14.9 -22.9 50 8.0 -17.0 316.3 316.6 288.9 320.5 1.23 TRP WND 419 285 116 Sounding variables and indices 1000-500 mb thick: 5578.00 m Freezing level: 762.13 mb = 2418.46 m = 7934.50 ft Wetbulb zero: 771.37 mb = 2321.31 m = 7615.76 ft Precipitable water: 0.79 inches Sfc-500 mean rel hum: 69.08 % Est. max temperature: 18.21 C = 64.77 F Sfc-Lift cond lev (LCL): 801.02 mb = 2016.70 m = 6616.37 ft T: 5.17 C 700-500 lapse rate: 4.07 C/km ThetaE index: 13.46 C Layer 826.0- 816.0 mb Conv cond level (CCL): 820.79 mb = 1817.49 m = 5962.83 ft Mean mixing ratio: 7.98 g/kg Conv temperature: 18.84 C = 65.92 F Cap Strength: 0.85 C Lifted Index: 0.86 C Risk: Showers probable Lifted Index @700 mb: -4.85 C Showalter Index: 3.88 C Risk: None Total Totals Index: 44.40 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 25.70 C Cross Totals Index: 18.70 C K Index: 29.30 Risk: 40-60 % chance of thunderstorms Sweat Index: 126.40 Risk: None Energy Index: 0.40 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 438.16 J/kg Max Up Vert Vel: 29.60 m/s Conv Inhibition (B-): 3.91 J/kg Cap Strength: 1.46 C Lift Cond Lev (LCL): 784.63 mb = 2183.82 m = 7164.69 ft Lev Free Conv (LFC): 779.63 mb = 2235.41 m = 7333.92 ft Equ Level (EL): 519.63 mb = 5403.35 m = 17727.32 ft B at Equ Level: 436.53 J/kg Wind level data ------------------------------------ TRUE/GROUND REL LEV P H DIR SPD U V mb m knt m/s ------------------------------------ 0 419 7127 285 116 112.0 -30.0 1 942 645 55 1 -0.8 -0.6 2 925 806 320 15 9.6 -11.5 3 850 1528 285 11 10.6 -2.8 4 700 3094 270 46 46.0 -0.0 5 500 5700 280 42 41.4 -7.3 Wind Parameters Energy-Hel index: -27.38 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//X8341/skewt/X8341.skewt.20250415.12.gif