UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120700.upa.cvt Date: 0000Z 7 DEC 25 Searching for X1770... Searching the city database file for: X1770 ... Date:0000Z 7 DEC 25 Station: X1770 WMO ident: 31770 Latitude: 49.00 Longitude: 140.30 ------------------------------------------------------------------------------- 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 1006 21 -8.5 -13.4 68 4.9 -9.7 215 1 264.2 264.4 263.1 267.9 1.35 1 1000 67 -8.1 -14.1 62 6.0 -9.5 245 1 265.0 265.3 263.6 268.6 1.28 2 980 226 -2.9 -9.9 58 7.0 -5.0 240 4 271.8 272.1 269.2 276.9 1.84 3 925 683 -4.7 -14.7 45 10.0 -7.4 225 13 274.5 274.7 270.1 278.3 1.32 4 898 915 -6.1 -15.1 49 9.0 -8.5 223 14 275.4 275.6 270.7 279.2 1.31 5 850 1342 -9.9 -16.9 57 7.0 -11.6 220 17 275.8 276.0 270.7 279.2 1.20 6 700 2806 -21.7 -25.8 69 4.1 -22.3 260 19 278.5 278.6 271.4 280.5 0.67 7 695 2859 -17.5 -21.6 70 4.1 -18.3 283.7 283.9 274.9 286.6 0.98 8 674 3089 -18.5 -21.5 77 3.0 -19.1 285.1 285.2 275.7 288.1 1.02 9 640 3473 -20.1 -26.1 59 6.0 -21.1 287.5 287.6 276.5 289.7 0.71 10 556 4501 -27.5 -40.5 28 13.0 -28.6 290.6 290.6 277.3 291.2 0.20 TRP WND Sounding variables and indices Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.18 inches Sfc-500 mean rel hum: 56.51 % Est. max temperature: 3.05 C = 37.49 F Sfc-Lift cond lev (LCL): 930.08 mb = 639.67 m = 2098.62 ft T: -4.53 C ThetaE index: 0.00 C Layer 1006.0- 1.0 mb Conv cond level (CCL): 779.25 mb = 1997.31 m = 6552.76 ft Mean mixing ratio: 1.51 g/kg Conv temperature: 4.37 C = 39.86 F Cap Strength: 12.62 C Lifted Index @700 mb: 3.77 C Parcel Indices Parcel: using 100 mb layer CAPE (B+): 34.09 J/kg Max Up Vert Vel: 8.26 m/s Conv Inhibition (B-): 986.03 J/kg Cap Strength: 12.51 C Lift Cond Lev (LCL): 840.19 mb = 1429.51 m = 4689.94 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 265 at 11 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 1006 21 215 1 0.6 0.8 | 89 10 -10.4 -0.2 1 1000 67 245 1 0.9 0.4 | 87 10 -10.0 -0.6 2 925 683 225 13 9.2 9.2 | 168 8 -1.8 8.2 3 850 1342 220 17 10.9 13.0 | 180 12 -0.0 12.0 4 700 2806 260 19 18.7 3.3 | 253 8 7.8 2.3 Wind Parameters Mean winds (0-6000m): 234.9 at 14.7 knts Storm direction: 264.9 at 11.0 knts Shear (0-3000m) pos: 3.0 neg: 1.1 tot: 4.1 10-3/s Storm rel Dir Shear (0-3000m): 164.3 deg Storm rel helicity (0-3000m) pos: 50.2 neg: 0.0 tot: 50.2 m^2/s^2 ave: 18.6 10^-3 m/s^2 rel: 0.79 Storm rel vorticity (0-3000m) horiz: 5.4 stream: 4.3 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 2.76 Bulk Shear: 12.37 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 ------------------------------------------------------------------------------- 500 232 5 107 7| 9.1 0.0 9.1| 11.9 0.0 11.9 23.9 0.74| 9.5 7.0 1000 225 9 140 7| 4.6 2.8 7.4| 19.7 0.0 19.7 19.7 0.72| 7.6 5.4 1500 223 12 158 8| 3.8 1.9 5.7| 26.1 0.0 26.1 17.4 0.70| 6.2 4.3 2000 226 13 169 8| 3.3 1.4 4.7| 36.5 0.0 36.5 18.3 0.74| 5.7 4.2 2500 231 14 181 8| 3.0 1.1 4.1| 46.3 0.0 46.3 18.5 0.78| 5.5 4.3 3000 NO DATA | 3.0 1.1 4.1| | 4000 NO DATA | 3.0 1.1 4.1| | 5000 NO DATA | 3.0 1.1 4.1| | 6000 NO DATA | 3.0 1.1 4.1| | Wrote GIF file: /home/apache/climate/data/raob//X1770/skewt/X1770.skewt.20251207.00.gif