UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121900.upa.cvt Date: 0000Z 19 DEC 25 Searching for U4343... Searching the city database file for: U4343 ... Date:0000Z 19 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 81 -43.1 -49.1 52 6.0 -43.2 160 1 228.9 228.9 228.9 229.1 0.04 1 1000 195 -42.9 -47.2 63 4.3 -43.0 160 7 230.2 230.3 230.2 230.4 0.05 2 994 235 -42.7 -47.0 63 4.3 -42.8 148 7 230.8 230.9 230.7 231.0 0.06 3 925 729 -33.3 -37.7 65 4.4 -33.5 10 9 245.3 245.3 244.8 245.7 0.16 4 898 939 -29.3 -33.7 66 4.4 -29.6 5 11 251.5 251.5 250.5 252.2 0.25 5 850 1334 -27.9 -32.3 66 4.4 -28.3 355 15 256.9 257.0 255.3 257.8 0.30 6 801 1761 -26.7 -30.9 68 4.2 -27.1 18 13 262.6 262.7 260.0 263.6 0.36 7 721 2519 -27.1 -31.2 68 4.1 -27.5 59 8 270.2 270.2 265.6 271.3 0.39 8 700 2731 -29.1 -33.1 68 4.0 -29.5 70 7 270.3 270.3 265.5 271.3 0.34 9 536 4588 -42.1 -45.7 68 3.6 -42.2 276.2 276.2 269.0 276.5 0.12 TRP WND Sounding variables and indices Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.05 inches Sfc-500 mean rel hum: 66.74 % Est. max temperature: -16.98 C = 1.44 F Sfc-Lift cond lev (LCL): 913.62 mb = 816.95 m = 2680.24 ft T: -31.63 C ThetaE index: 0.08 C Layer 700.0- 536.0 mb Conv cond level (CCL): 1000.00 mb = 195.00 m = 639.76 ft Mean mixing ratio: 0.10 g/kg Conv temperature: -40.34 C = -40.60 F Cap Strength: 32.59 C Lifted Index @700 mb: 29.88 C Parcel Indices Parcel: using 100 mb layer CAPE (B+): 46.48 J/kg Max Up Vert Vel: 9.64 m/s Conv Inhibition (B-): 4088.17 J/kg Cap Strength: 32.48 C Lift Cond Lev (LCL): 913.27 mb = 819.68 m = 2689.19 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 44 at 8 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 81 160 1 -0.3 0.9 | 218 8 5.1 6.4 1 1000 195 160 7 -2.4 6.6 | 194 12 3.0 12.1 2 925 729 10 9 -1.6 -8.9 | 311 5 3.8 -3.4 3 850 1334 355 15 1.3 -14.9 | 325 12 6.7 -9.4 4 700 2731 70 7 -6.6 -2.4 | 159 3 -1.2 3.1 Wind Parameters Mean winds (0-6000m): 14.5 at 10.3 knts Storm direction: 44.5 at 7.7 knts Shear (0-3000m) pos: 2.3 neg: 2.8 tot: 5.0 10-3/s Storm rel Dir Shear (0-3000m): -58.8 deg Storm rel helicity (0-3000m) pos: 16.2 neg: -30.0 tot: -13.8 m^2/s^2 ave: -5.3 10^-3 m/s^2 rel: -0.16 Storm rel vorticity (0-3000m) horiz: 9.9 stream: -1.5 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 2.11 Bulk Shear: 22.04 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 ------------------------------------------------------------------------------- 500 110 7 172 8| 0.0 9.1 9.1| 0.0 -28.5 -28.5 -57.1 -0.68| 20.8-14.1 1000 22 8 317 3| 0.0 6.9 6.9| 1.9 -30.0 -28.1 -28.1 -0.59| 16.3 -9.6 1500 8 10 319 6| 0.7 4.6 5.3| 7.8 -30.0 -22.2 -14.8 -0.44| 12.8 -5.6 2000 11 11 326 6| 1.8 3.5 5.2| 13.3 -30.0 -16.6 -8.3 -0.30| 11.2 -3.3 2500 14 10 329 5| 2.3 2.8 5.0| 15.7 -30.0 -14.3 -5.7 -0.17| 10.1 -1.7 3000 NO DATA | 2.3 2.8 5.0| | 4000 NO DATA | 2.3 2.8 5.0| | 5000 NO DATA | 2.3 2.8 5.0| | 6000 NO DATA | 2.3 2.8 5.0| | Wrote GIF file: /home/apache/climate/data/raob//U4343/skewt/U4343.skewt.20251219.00.gif