UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120800.upa.cvt Date: 0000Z 8 DEC 25 Searching for U4507... Searching the city database file for: U4507 ... Date:0000Z 8 DEC 25 Station: U4507 WMO ident: 24507 Latitude: 64.27 Longitude: 100.23 ------------------------------------------------------------------------------- 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 1000 185 -33.1 -38.0 61 4.9 -33.3 310 3 240.1 240.1 239.8 240.4 0.14 1 976 356 -35.1 -39.8 62 4.7 -35.3 239.7 239.7 239.5 240.0 0.12 2 925 735 -31.9 -36.4 64 4.5 -32.1 246.7 246.7 246.1 247.2 0.18 3 878 1105 -29.7 -33.6 69 3.9 -30.0 252.7 252.7 251.6 253.4 0.25 4 826 1545 -24.3 -27.5 75 3.2 -24.6 262.8 262.9 260.4 264.2 0.48 5 750 2240 -30.9 -34.3 72 3.4 -31.2 263.0 263.1 260.1 263.8 0.28 6 726 2472 -27.9 -30.9 75 3.0 -28.2 268.8 268.8 264.6 270.0 0.40 7 705 2682 -28.9 -31.6 77 2.7 -29.2 269.9 270.0 265.4 271.1 0.39 8 525 4733 -42.5 -47.0 61 4.5 -42.7 277.3 277.3 269.7 277.7 0.11 9 357 7257 -56.9 -62.9 47 6.0 -57.0 290.3 290.3 276.9 290.4 0.02 TRP WND Sounding variables and indices 1000-500 mb thick: 4866.43 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.06 inches Sfc-500 mean rel hum: 69.06 % Est. max temperature: -15.11 C = 4.79 F Sfc-Lift cond lev (LCL): 919.40 mb = 778.13 m = 2552.88 ft T: -31.64 C 700-500 lapse rate: 6.51 C/km ThetaE index: 0.40 C Layer 976.0- 925.0 mb Conv cond level (CCL): 513.68 mb = 4875.23 m = 15994.65 ft Mean mixing ratio: 0.16 g/kg Conv temperature: 4.92 C = 40.86 F Cap Strength: 27.56 C Lifted Index: 28.55 C Risk: None Lifted Index @700 mb: 23.52 C Showalter Index: 16.42 C Risk: None Total Totals Index: 31.45 C Risk: None Vertical Totals Index: 17.49 C Cross Totals Index: 13.96 C K Index: -15.62 Risk: None Energy Index: 4.30 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 35.81 J/kg Max Up Vert Vel: 8.46 m/s Conv Inhibition (B-): 6726.52 J/kg Cap Strength: 28.55 C Lift Cond Lev (LCL): 880.03 mb = 1088.79 m = 3572.11 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 340 at 2 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 1000 185 310 3 2.3 -1.9 | 263 2 1.5 0.2 Wind Parameters Mean winds (0-6000m): 310.0 at 3.0 knts Storm direction: 340.0 at 2.2 knts Energy-Hel index: -2.24 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//U4507/skewt/U4507.skewt.20251208.00.gif