UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042600.upa.cvt Date: 0000Z 26 APR 25 Searching for U4641... Searching the city database file for: U4641 ... Date:0000Z 26 APR 25 Station: U4641 WMO ident: 24641 Latitude: 63.77 Longitude: 121.62 ------------------------------------------------------------------------------- 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 1007 114 -1.1 -9.1 55 8.0 -3.6 295 5 271.5 271.8 269.1 276.8 1.90 1 1000 169 -4.3 -14.3 46 10.0 -6.9 295 5 268.9 269.1 266.3 272.4 1.26 2 925 778 -7.5 -17.5 45 10.0 -9.8 275 11 271.6 271.8 267.8 274.6 1.04 3 850 1432 -10.3 -20.3 44 10.0 -12.4 250 11 275.4 275.5 269.9 278.0 0.89 4 700 2912 -16.5 -21.2 67 4.7 -17.4 195 29 284.2 284.4 275.2 287.2 1.00 5 500 5360 -29.5 -34.5 62 5.0 -30.0 190 38 297.1 297.1 280.7 298.4 0.41 6 400 6920 -40.1 -46.1 53 6.0 -40.4 190 60 302.9 302.9 282.8 303.4 0.15 7 300 8810 -56.5 -63.5 41 7.0 -56.6 185 68 305.7 305.7 283.7 305.8 0.02 TRP WND 299 185 68 Sounding variables and indices 1000-500 mb thick: 5191.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.20 inches Sfc-500 mean rel hum: 57.14 % Est. max temperature: 2.39 C = 36.31 F Sfc-Lift cond lev (LCL): 888.05 mb = 1093.28 m = 3586.82 ft T: -8.85 C 700-500 lapse rate: 5.31 C/km ThetaE index: 4.40 C Layer 1000.0- 925.0 mb Conv cond level (CCL): 624.80 mb = 3738.80 m = 12266.24 ft Mean mixing ratio: 1.16 g/kg Conv temperature: 16.00 C = 60.81 F Cap Strength: 10.90 C Lifted Index: 19.29 C Risk: None Lifted Index @300 mb: 22.58 C Lifted Index @700 mb: 10.90 C Showalter Index: 16.01 C Risk: None Total Totals Index: 28.40 C Risk: None Vertical Totals Index: 19.20 C Cross Totals Index: 9.20 C K Index: -5.80 Risk: None Sweat Index: 60.00 Risk: None Energy Index: 4.27 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 8.62 J/kg Max Up Vert Vel: 4.15 m/s Conv Inhibition (B-): 5011.41 J/kg Cap Strength: 18.94 C Lift Cond Lev (LCL): 816.87 mb = 1735.02 m = 5692.24 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 ------------------------------------ 0 299 9829 185 68 5.9 67.7 1 1007 114 295 5 4.5 -2.1 2 1000 169 295 5 4.5 -2.1 3 925 778 275 11 11.0 -1.0 4 850 1432 250 11 10.3 3.8 5 700 2912 195 29 7.5 28.0 6 500 5360 190 38 6.6 37.4 7 400 6920 190 60 10.4 59.1 8 300 8810 185 68 5.9 67.7 Wind Parameters Energy-Hel index: -0.54 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//U4641/skewt/U4641.skewt.20250426.00.gif