UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121212.upa.cvt Date: 1200Z 12 DEC 25 Searching for U4343... Searching the city database file for: U4343 ... Date:1200Z 12 DEC 25 Station: U4343 WMO ident: 24343 Latitude: 66.77 Longitude: 123.40 ------------------------------------------------------------------------------- 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 1017 83 -46.9 -59.9 21 13.0 -47.0 45 1 225.2 225.2 225.1 225.2 0.01 1 1000 196 -42.9 -51.9 37 9.0 -43.0 45 3 230.2 230.3 230.1 230.3 0.03 2 997 216 -42.3 -51.3 37 9.0 -42.5 49 3 231.0 231.1 230.9 231.1 0.03 3 948 561 -36.1 -44.1 44 8.0 -36.4 120 7 240.7 240.7 240.3 240.9 0.08 4 925 731 -35.3 -42.3 49 7.0 -35.5 155 9 243.2 243.2 242.7 243.5 0.10 5 864 1208 -33.1 -39.1 55 6.0 -33.4 147 15 250.3 250.3 249.3 250.7 0.15 6 859 1249 -31.1 -37.1 56 6.0 -31.4 146 16 252.8 252.8 251.5 253.3 0.18 7 850 1324 -30.9 -36.9 56 6.0 -31.3 145 17 253.8 253.8 252.4 254.3 0.19 8 840 1408 -30.5 -35.5 62 5.0 -30.8 146 17 255.1 255.1 253.5 255.7 0.22 9 810 1667 -30.3 -35.1 63 4.8 -30.6 149 17 257.9 258.0 256.0 258.6 0.24 10 700 2700 -32.5 -37.1 63 4.6 -32.8 160 17 266.5 266.5 262.6 267.2 0.23 11 586 3945 -35.7 -39.8 66 4.1 -36.0 276.7 276.7 269.5 277.3 0.20 TRP WND Sounding variables and indices Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.03 inches Sfc-500 mean rel hum: 57.82 % Est. max temperature: -22.01 C = -7.61 F Sfc-Lift cond lev (LCL): 800.20 mb = 1752.81 m = 5750.62 ft T: -30.48 C ThetaE index: 0.00 C Layer 1017.0--3910119490600262696960.0 mb Conv cond level (CCL): None Cap Strength: 34.36 C Lifted Index @700 mb: 27.01 C Parcel Indices Parcel: using 100 mb layer CAPE (B+): 56.95 J/kg Max Up Vert Vel: 10.67 m/s Conv Inhibition (B-): 3045.74 J/kg Cap Strength: 34.08 C Lift Cond Lev (LCL): 850.14 mb = 1322.81 m = 4339.89 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 180 at 10 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 1017 83 45 1 -0.7 -0.7 | 4 11 -0.7 -10.5 1 1000 196 45 3 -2.1 -2.1 | 10 12 -2.1 -12.0 2 925 731 155 9 -3.8 8.2 | 66 4 -3.8 -1.7 3 850 1324 145 17 -9.8 13.9 | 113 11 -9.7 4.1 4 700 2700 160 17 -5.8 16.0 | 137 8 -5.8 6.1 Wind Parameters Mean winds (0-6000m): 150.0 at 13.1 knts Storm direction: 180.0 at 9.8 knts Shear (0-3000m) pos: 3.0 neg: 0.7 tot: 3.6 10-3/s Storm rel Dir Shear (0-3000m): 132.7 deg Storm rel helicity (0-3000m) pos: 44.6 neg: 0.0 tot: 44.6 m^2/s^2 ave: 17.2 10^-3 m/s^2 rel: 0.70 Storm rel vorticity (0-3000m) horiz: 5.3 stream: 3.7 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 3.56 Bulk Shear: 15.99 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 98 4 25 10| 7.4 0.0 7.4| 23.9 0.0 23.9 47.7 0.80| 10.6 8.5 1000 143 7 48 6| 7.2 0.0 7.2| 32.5 0.0 32.5 32.5 0.72| 10.0 7.2 1500 145 10 76 6| 4.8 1.1 5.9| 36.9 0.0 36.9 24.6 0.67| 8.0 5.4 2000 147 12 91 6| 3.6 0.8 4.5| 40.5 0.0 40.5 20.3 0.69| 6.5 4.4 2500 149 13 101 7| 3.0 0.7 3.6| 44.0 0.0 44.0 17.6 0.70| 5.5 3.8 3000 NO DATA | 3.0 0.7 3.6| | 4000 NO DATA | 3.0 0.7 3.6| | 5000 NO DATA | 3.0 0.7 3.6| | 6000 NO DATA | 3.0 0.7 3.6| | Wrote GIF file: /home/apache/climate/data/raob//U4343/skewt/U4343.skewt.20251212.12.gif