UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025100812.upa.cvt Date: 1200Z 8 OCT 25 Searching for X8341... Searching the city database file for: X8341 ... Date:1200Z 8 OCT 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 159 SFC 944 648 17.0 1.0 34 16.0 8.8 30 5 295.0 295.8 284.5 307.8 4.35 2 925 820 13.0 -1.0 38 14.0 6.3 10 5 292.6 293.3 283.0 303.9 3.84 3 850 1524 9.4 -6.6 32 16.0 2.5 65 3 296.0 296.5 283.1 304.3 2.74 4 700 3104 -0.9 -10.9 47 10.0 -4.7 245 19 301.5 301.9 284.9 308.9 2.38 5 500 5700 -18.3 -25.3 54 7.0 -19.8 252 21 310.7 310.9 286.8 314.0 0.98 6 70 18470 -60.7 -82.7 4 22.0 -61.1 290 33 454.5 454.5 311.3 454.6 0.01 7 52 20313 -62.3 -91.3 1 29.0 -62.7 491.1 491.1 314.3 491.1 0.00 TRP WND Sounding variables and indices 1000-500 mb thick: 5541.00 m Freezing level: 713.11 mb = 2965.94 m = 9730.66 ft Wetbulb zero: 797.15 mb = 2046.40 m = 6713.82 ft Precipitable water: 0.50 inches Sfc-500 mean rel hum: 44.40 % Est. max temperature: 19.94 C = 67.89 F Sfc-Lift cond lev (LCL): 741.99 mb = 2629.98 m = 8628.43 ft T: 2.19 C 700-500 lapse rate: 6.70 C/km ThetaE index: 3.94 C Layer 925.0- 850.0 mb Conv cond level (CCL): 608.20 mb = 4188.56 m = 13741.81 ft Mean mixing ratio: 3.40 g/kg Conv temperature: 27.34 C = 81.20 F Cap Strength: 6.10 C Lifted Index: 7.64 C Risk: None Lifted Index @300 mb: 28.26 C Lifted Index @700 mb: 6.08 C Showalter Index: 7.75 C Risk: None Total Totals Index: 39.40 C Risk: None Vertical Totals Index: 27.70 C Cross Totals Index: 11.70 C K Index: 11.10 Risk: None Sweat Index: 27.05 Risk: None Energy Index: 2.04 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 4.00 J/kg Max Up Vert Vel: 2.83 m/s Conv Inhibition (B-): 27165.71 J/kg Cap Strength: 7.60 C Lift Cond Lev (LCL): 711.36 mb = 2972.98 m = 9753.76 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 286 at 6 knt ---------------------------------------------------------- TRUE/GROUND REL | STORM REL LEV P H DIR SPD U V | DIR SPD U V mb m knt m/s | knt m/s ---------------------------------------------------------- 0 944 648 30 5 -2.5 -4.3 | 74 9 -8.7 -2.5 1 925 820 10 5 -0.9 -4.9 | 66 8 -7.1 -3.1 2 850 1524 65 3 -2.7 -1.3 | 93 9 -8.9 0.5 3 700 3104 245 19 17.2 8.0 | 228 15 11.0 9.8 4 70 18470 290 33 31.0 -11.3 | 291 27 24.8 -9.5 Wind Parameters Mean winds (0-6000m): 256.2 at 8.6 knts Storm direction: 286.2 at 6.5 knts Shear (0-3000m) pos: 4.9 neg: 0.0 tot: 4.9 10-3/s Storm rel Dir Shear (0-3000m): -28.8 deg Storm rel helicity (0-3000m) pos: 142.6 neg: -2.1 tot: 140.5 m^2/s^2 ave: 58.5 10^-3 m/s^2 rel: 0.87 Storm rel vorticity (0-3000m) horiz: 7.2 stream: 6.2 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.21 Bulk Shear: 18.83 m/s 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 21 5 72 8| 1.1 0.0 1.1| 4.0 -2.1 1.9 3.8 0.25| 3.7 0.9 1000 32 4 79 9| 2.0 0.0 2.0| 9.8 -2.1 7.7 7.7 0.47| 3.6 1.7 1500 73 5 92 11| 4.0 0.0 4.0| 33.6 -2.1 31.5 21.0 0.64| 5.3 3.4 2000 163 7 135 12| 4.9 0.0 4.9| 87.4 -2.1 85.3 42.7 0.80| 7.3 5.8 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.20251008.12.gif