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 X1538... Searching the city database file for: X1538 ... Date:1200Z 9 DEC 25 Station: X1538 WMO ident: 31538 Latitude: 50.07 Longitude: 132.13 ------------------------------------------------------------------------------- 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 ------------------------------------------------------------------------------- 0 1000 164 SFC 976 345 -19.7 -24.7 64 5.0 -20.3 275 1 255.2 255.3 254.4 256.7 0.53 2 925 743 -21.3 -27.3 58 6.0 -22.0 290 7 257.5 257.6 256.1 258.8 0.44 3 898 961 -22.3 -28.3 58 6.0 -22.9 286 9 258.7 258.8 257.0 259.9 0.41 4 863 1255 -20.3 -25.3 64 5.0 -21.0 282 12 263.7 263.8 261.2 265.3 0.57 5 850 1367 -20.9 -25.5 66 4.6 -21.5 280 13 264.3 264.3 261.6 265.9 0.56 6 745 2330 -26.5 -30.0 72 3.5 -26.9 268.3 268.4 264.3 269.6 0.42 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: 65.14 % Est. max temperature: -9.85 C = 14.28 F Sfc-Lift cond lev (LCL): 898.71 mb = 955.41 m = 3134.50 ft T: -22.27 C ThetaE index: 0.00 C Layer 976.0- -0.0 mb Conv cond level (CCL): None Cap Strength: 9.16 C Parcel Indices Parcel: using 100 mb layer CAPE (B+): 20.94 J/kg Max Up Vert Vel: 6.47 m/s Conv Inhibition (B-): 334.64 J/kg Cap Strength: 8.98 C Lift Cond Lev (LCL): 842.15 mb = 1434.76 m = 4707.15 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 314 at 6 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 ---------------------------------------------------------- 0 976 345 275 1 1.0 -0.1 | 142 5 -3.1 3.9 1 925 743 290 7 6.6 -2.4 | 237 3 2.5 1.6 2 850 1367 280 13 12.8 -2.3 | 258 9 8.7 1.8 Wind Parameters Mean winds (0-6000m): 284.4 at 7.7 knts Storm direction: 314.4 at 5.8 knts Shear (0-3000m) pos: 3.6 neg: 2.6 tot: 6.2 10-3/s Storm rel Dir Shear (0-3000m): 116.8 deg Storm rel helicity (0-3000m) pos: 6.7 neg: 0.0 tot: 6.7 m^2/s^2 ave: 6.7 10^-3 m/s^2 rel: 0.58 Storm rel vorticity (0-3000m) horiz: 6.3 stream: 3.7 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 17.52 Bulk Shear: 1.20 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 ------------------------------------------------------------------------------- 500 288 5 188 3| 7.2 0.0 7.2| 5.2 0.0 5.2 10.4 0.84| 7.4 6.2 1000 285 8 237 4| 3.6 2.6 6.2| 6.7 0.0 6.7 6.7 0.58| 6.3 3.7 1500 NO DATA | 3.6 2.6 6.2| | 2000 NO DATA | 3.6 2.6 6.2| | 2500 NO DATA | 3.6 2.6 6.2| | 3000 NO DATA | 3.6 2.6 6.2| | 4000 NO DATA | 3.6 2.6 6.2| | 5000 NO DATA | 3.6 2.6 6.2| | 6000 NO DATA | 3.6 2.6 6.2| | Wrote GIF file: /home/apache/climate/data/raob//X1538/skewt/X1538.skewt.20251209.12.gif