UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120912.upa.cvt Date: 1200Z 9 DEC 25 Searching for U4507... Searching the city database file for: U4507 ... Date:1200Z 9 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 992 -34.1 -38.3 66 4.2 -34.3 239.6 239.6 239.4 240.0 0.14 1 978 -34.5 -38.6 66 4.1 -34.7 240.2 240.2 239.9 240.6 0.14 2 952 -30.1 -34.2 67 4.1 -30.3 246.5 246.5 246.0 247.1 0.22 3 914 -30.7 -34.5 69 3.8 -30.9 248.8 248.8 248.1 249.4 0.22 4 849 -16.9 -19.6 80 2.7 -17.4 268.5 268.7 265.5 271.2 0.95 5 839 -15.9 -18.7 79 2.8 -16.4 270.5 270.7 267.0 273.4 1.04 6 757 -20.9 -23.7 78 2.8 -21.3 273.2 273.3 268.2 275.3 0.75 7 608 -34.1 -37.0 75 2.9 -34.3 275.6 275.7 269.0 276.4 0.26 8 528 -38.9 -42.1 72 3.2 -39.1 281.2 281.2 272.2 281.8 0.18 9 351 -59.9 -63.4 63 3.5 -59.9 287.7 287.7 275.5 287.8 0.02 10 291 -67.1 -70.5 62 3.4 -67.1 293.3 293.3 278.3 293.3 0.01 11 188 -59.9 -63.7 61 3.8 -60.0 343.9 343.9 295.3 344.1 0.04 12 109 35.0 30.0 75 5.0 30.1 580.8 720.9 352.4 19125.1 396.06 TRP WND Sounding variables and indices Freezing level: Surface below freezing Freezing level: 138.14 mb = -9999.00 m = -9999.00 ft Wetbulb zero: Below ground Precipitable water: 3.94 inches Sfc-500 mean rel hum: 74.48 % Est. max temperature: -3.87 C = 25.04 F Sfc-Lift cond lev (LCL): 922.92 mb = -9999.00 m = -9999.00 ft T: -30.56 C ThetaE index: 0.00 C Layer 992.0- -0.0 mb Conv cond level (CCL): 978.00 mb = -9999.00 m = -9999.00 ft Mean mixing ratio: 0.22 g/kg Conv temperature: -33.12 C = -27.61 F Cap Strength: 28.40 C Lifted Index: 28.80 C Risk: None Lifted Index @300 mb: 32.08 C Lifted Index @700 mb: 24.52 C Showalter Index: 9.49 C Risk: None Total Totals Index: 46.45 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 24.58 C Cross Totals Index: 21.86 C K Index: 1.91 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 0.00 J/kg Max Up Vert Vel: 0.00 m/s Conv Inhibition (B-): 0.00 J/kg Cap Strength: 28.73 C Lift Cond Lev (LCL): 885.39 mb = -9999.00 m = -9999.00 ft Lev Free Conv (LFC): 880.39 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 70 17390 260 17 16.7 3.0 1 50 19420 295 15 13.6 -6.3 Wind Parameters Energy-Hel index: -0.00 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.20251209.12.gif