UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121100.upa.cvt Date: 0000Z 11 DEC 25 Searching for U3472... Searching the city database file for: U3472 ... Date:0000Z 11 DEC 25 Station: U3472 WMO ident: 23472 Latitude: 65.78 Longitude: 87.95 ------------------------------------------------------------------------------- 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 1009 45 -27.1 -29.9 77 2.8 -27.3 60 3 245.4 245.5 245.2 246.3 0.32 1 1007 59 -22.9 -27.8 64 4.9 -23.4 58 3 249.8 249.8 249.3 250.8 0.39 2 1000 110 -21.3 -25.9 66 4.6 -21.8 50 3 251.9 251.9 251.3 253.1 0.46 3 954 457 -21.7 -24.9 75 3.2 -22.1 98 3 254.9 254.9 254.1 256.3 0.53 4 925 684 -23.7 -27.8 69 4.1 -24.1 130 3 255.1 255.1 254.0 256.2 0.42 5 915 763 -23.9 -28.1 68 4.2 -24.3 130 3 255.7 255.7 254.5 256.8 0.41 6 893 942 -20.9 -24.8 71 3.9 -21.4 130 4 260.5 260.6 258.8 262.1 0.57 7 850 1306 -21.3 -25.0 72 3.7 -21.8 130 5 263.8 263.9 261.4 265.5 0.59 8 700 2724 -26.1 -36.1 39 10.0 -27.0 130 7 273.6 273.6 267.6 274.4 0.25 9 652 3236 -28.1 -39.1 34 11.0 -29.0 276.9 277.0 269.7 277.6 0.20 TRP WND Sounding variables and indices Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.06 inches Sfc-500 mean rel hum: 58.24 % Est. max temperature: -9.35 C = 15.18 F Sfc-Lift cond lev (LCL): 962.63 mb = 390.92 m = 1282.52 ft T: -21.62 C ThetaE index: 0.07 C Layer 925.0- 915.0 mb Conv cond level (CCL): None Cap Strength: 19.40 C Lifted Index @700 mb: 16.89 C Parcel Indices Parcel: using 100 mb layer CAPE (B+): 17.99 J/kg Max Up Vert Vel: 6.00 m/s Conv Inhibition (B-): 1196.01 J/kg Cap Strength: 19.08 C Lift Cond Lev (LCL): 898.14 mb = 899.83 m = 2952.15 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 155 at 4 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 1009 45 60 3 -2.6 -1.5 | 13 5 -1.1 -4.8 1 1000 110 50 3 -2.3 -1.9 | 8 5 -0.8 -5.2 2 925 684 130 3 -2.3 1.9 | 30 2 -0.8 -1.4 3 850 1306 130 5 -3.8 3.2 | 88 2 -2.3 -0.1 4 700 2724 130 7 -5.4 4.5 | 108 4 -3.8 1.2 Wind Parameters Mean winds (0-6000m): 125.1 at 4.8 knts Storm direction: 155.1 at 3.6 knts Shear (0-3000m) pos: 0.9 neg: 0.5 tot: 1.4 10-3/s Storm rel Dir Shear (0-3000m): 94.9 deg Storm rel helicity (0-3000m) pos: 3.1 neg: -0.2 tot: 2.8 m^2/s^2 ave: 1.1 10^-3 m/s^2 rel: 0.49 Storm rel vorticity (0-3000m) horiz: 1.6 stream: 0.8 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 10.37 Bulk Shear: 1.73 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 77 3 19 4| 2.6 0.0 2.6| 1.5 -0.2 1.2 2.5 0.37| 3.3 1.2 1000 106 3 33 3| 2.2 0.0 2.2| 2.0 -0.2 1.7 1.7 0.44| 2.7 1.2 1500 118 4 49 2| 1.4 0.4 1.8| 2.5 -0.2 2.2 1.5 0.49| 2.2 1.1 2000 122 4 63 2| 1.1 0.5 1.6| 2.7 -0.2 2.5 1.2 0.50| 1.8 0.9 2500 125 5 75 2| 0.9 0.5 1.4| 3.0 -0.2 2.8 1.1 0.49| 1.6 0.8 3000 NO DATA | 0.9 0.5 1.4| | 4000 NO DATA | 0.9 0.5 1.4| | 5000 NO DATA | 0.9 0.5 1.4| | 6000 NO DATA | 0.9 0.5 1.4| | Wrote GIF file: /home/apache/climate/data/raob//U3472/skewt/U3472.skewt.20251211.00.gif