UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101100.upa.cvt Date: 0000Z 11 OCT 25 Searching for U1946... Searching the city database file for: U1946 ... Date:0000Z 11 OCT 25 Station: U1946 WMO ident: 21946 Latitude: 70.62 Longitude: 147.90 ------------------------------------------------------------------------------- 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 1018 47 -3.3 -4.1 94 0.8 -3.6 160 1 268.5 268.9 268.6 275.9 2.77 1 1014 78 -2.5 -6.2 76 3.7 -3.7 269.6 270.0 268.7 276.0 2.37 2 1000 188 -3.1 -7.7 70 4.6 -4.6 25 7 270.0 270.4 268.6 275.9 2.14 3 932 743 -4.9 -11.9 58 7.0 -6.9 273.7 274.0 270.1 278.3 1.65 4 927 785 -5.5 -12.5 58 7.0 -7.5 273.5 273.8 269.9 278.0 1.58 5 925 802 -5.7 -12.7 58 7.0 -7.7 300 44 273.5 273.7 269.8 277.9 1.55 6 888 1121 -8.3 -14.3 62 6.0 -9.9 274.0 274.2 269.9 278.0 1.42 7 873 1253 -11.1 -15.0 73 3.9 -12.1 272.4 272.7 268.8 276.3 1.36 8 850 1458 -12.1 -15.4 76 3.3 -12.9 15 35 273.5 273.7 269.5 277.3 1.36 9 810 1825 -14.3 -16.7 82 2.4 -14.9 274.9 275.1 270.3 278.6 1.28 10 808 1844 -10.5 -13.1 81 2.6 -11.2 279.2 279.5 273.5 284.1 1.72 11 797 1950 -11.1 -17.1 61 6.0 -12.5 279.6 279.8 273.1 283.3 1.25 12 700 2939 -15.3 -26.3 38 11.0 -17.3 135 48 285.5 285.7 275.4 287.5 0.64 13 672 3247 -16.3 -28.3 35 12.0 -18.3 287.8 287.9 276.4 289.5 0.55 14 628 3752 -20.3 -34.3 28 14.0 -22.1 288.8 288.9 276.6 289.9 0.33 15 583 4299 -23.7 -38.7 24 15.0 -25.3 291.1 291.1 277.6 291.8 0.23 16 538 4884 -25.9 -40.9 23 15.0 -27.3 295.2 295.2 279.5 295.9 0.20 17 468 5870 -37.0 -51.7 20 14.7 -37.6 285 81 293.5 293.5 278.5 293.7 0.07 18 418 6650 -38.1 -54.1 17 16.0 -38.8 301.7 301.7 282.1 301.9 0.06 TRP WND 468 285 81 Sounding variables and indices 1000-500 mb thick: 5214.15 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.21 inches Sfc-500 mean rel hum: 45.56 % Est. max temperature: 0.90 C = 33.62 F Sfc-Lift cond lev (LCL): 1005.06 mb = 148.05 m = 485.72 ft T: -2.88 C 700-500 lapse rate: 6.66 C/km ThetaE index: 1.75 C Layer 873.0- 850.0 mb Conv cond level (CCL): 874.64 mb = 1238.39 m = 4062.91 ft Mean mixing ratio: 1.92 g/kg Conv temperature: 0.84 C = 33.52 F Cap Strength: 15.71 C Lifted Index: 14.55 C Risk: None Lifted Index @700 mb: 9.58 C Showalter Index: 14.32 C Risk: None Total Totals Index: 35.93 C Risk: None Vertical Totals Index: 19.61 C Cross Totals Index: 16.31 C K Index: -6.79 Risk: None Sweat Index: 145.58 Risk: None Energy Index: 3.75 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 10.76 J/kg Max Up Vert Vel: 4.64 m/s Conv Inhibition (B-): 2313.27 J/kg Cap Strength: 15.64 C Lift Cond Lev (LCL): 886.15 mb = 1137.21 m = 3730.95 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data ------------------------------------ TRUE/GROUND REL LEV P H DIR SPD U V mb m knt m/s ------------------------------------ 0 468 6265 285 81 78.2 -21.0 1 1018 47 160 1 -0.3 0.9 2 1000 188 25 7 -3.0 -6.3 3 925 802 300 44 38.1 -22.0 4 850 1458 15 35 -9.1 -33.8 5 700 2939 135 48 -33.9 33.9 6 500 5400 80 25 -24.6 -4.3 Wind Parameters Energy-Hel index: -0.67 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 NO DATA | | | 1000 NO DATA | | | 1500 NO DATA | | | 2000 NO DATA | | | 2500 NO DATA | | | 3000 NO DATA | | | 4000 NO DATA | | | 5000 NO DATA | | | 6000 NO DATA | | | Wrote GIF file: /home/apache/climate/data/raob//U1946/skewt/U1946.skewt.20251011.00.gif